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<title><![CDATA[GGGchina'职业博客]]> </title>
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<link>http://GGGchina.blog.bokee.net/</link>
<language>zh-cn</language>
<creator>GGGchina</creator>
<pubDate>Mon, 17 Sep 2007 16:15:21 CST </pubDate>
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<title>什么是３Ｇ</title>
<link>http://www.bokee.net/blogmodule/weblogcomment_viewEntry/1091008.html</link>
<description>
<![CDATA[<p>3G是英文3rdGeneration的缩写，指第三代移动通信技术。相对第一代模拟制式手机（1G）和第二代GSM、TDMA等数字手机（2G），第三代手机一般地讲，是指将无线通信与国际互联网等多媒体通信结合的新一代移动通信系统。它能够处理图像、音乐、视频流等多种媒体形式，提供包括网页浏览、电话会议、电子商务等多种信息服务。为了提供这种服务，无线网络必须能够支持不同的数据传输速度，也就是说在室内、室外和行车的环境中能够分别支持至少2Mbps（兆字节／每秒）、384kbps（千字节／每秒）以及144kbps的传输速度。 <br /><br />所谓3G手机通俗地说就是指第三代（TheThirdGeneration）手机。随着科技和经济的发展，手机现在已不再是白领们的专利了，而且，目前的手机的品种和型号也是多的让人目不暇接，从第一代模拟制式手机到第二代的GSM、TDMA等数字手机，再到现在的第三代手机，手机已经成了集语音通信和多媒体通信相结合，并且包括图像、音乐、网页浏览、电话会议以及其它一些信息服务等增值服务的新一代移动通信系统。 <br /><br />许多人和3G手机的第一次接触始于诺基亚的一个手机广告。一个快乐的旅游者手持3G手机徘徊在一个陌生的城市，手机里显示的街道地图指引他顺利抵达了目的地。3G手机的名称繁多，国际电联称之为&quot;IMT－2000&quot;，欧洲的电信业巨头们则称其为&quot;UMTS&quot;（通用移动通信系统），3G手机可能应用的技术标准有WCDMA、CDMA－2000、TD－SCDMA等等。3G手机完全是通信业和计算机工业相融合的产物，和此前的手机相比差别实在是太大了，因此越来越多的人开始称呼这类新的移动通信产品为&quot;个人通信终端&quot;。即使是对通信业最外行的人也可从外形上轻易地判断出一台手机是否是&quot;第三代&quot;：大多数的3G手机都有一个超大的彩色显示屏，往往还是触摸式的。 <br /><br />具备强大功能的基础是3G手机极高的数据传输速度，目前的GSM移动通信网的传输速度为每秒9．6K字节，而第三代手机最终可能达到的数据传输速度将高达每秒2兆字节。而为此做支撑的则是互联网技术充分糅合到3G手机系统中，其中最重要的就是数据打包技术。在现有GSM上应用数据打包技术发展出的GPRS目前已可达到每秒384K字节的传输速度，这相当于D－ISDN传输速度的两倍。3G手机支持高质量的话音，分组数据，多媒体业务和多用户速率通讯，将大大扩展手机通讯的内涵。 <br /><br />想知道什么是真正的3G生活吗？你的眼镜、手表、化妆盒、旅游鞋，任何一件你能看到的物品都有可能成为3G终端。当带宽和技术具备时，这个集成许多功能的终端使我们不仅可以随时随地通信，更可以双向下载传递资料、图画、影像，当然更可以和从未谋面的陌生人网上联线对打游戏。据专家介绍，3G时代的手机除了能高质量的完成目前手机所做的语音通信外，还能进行多媒体通信。用户可以在3G手机的触摸显示屏上直接写字、绘图，并将其传送给另一台手机，而所需时间可能不到一秒。当然，也可以将这些信息传送给一台电脑，或从电脑中下载某些信息；用户可以用3G手机直接上网，查看电子邮件或浏览网页；将有不少型号的3G手机自带摄像头，这将使用户可以利用手机进行电脑会议，甚至使数字相机成为一种&quot;多余&quot;。 </p>
<p>3G时代展望 <br /><br />日本移动通讯巨人NTF DoCoMo已于10月1日开通全球第一个3G服务，该服务基于WCDMA标准。目前，亚洲成为3G发展最快的地区，欧洲紧随其次，美国由于不太热心而在技术准备上远远落后。除了动作最快的日本和韩国，泰国、香港也已经发出3G牌照。台湾即将发放工3G牌照。预计内地在年底前表出3G牌照，市场预期将发行两到三个拍照三个牌照。</p>]]>
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<author>GGGchina</author>
<category></category>
<pubDate>Fri, 12 Oct 2007 23:53:05 CST </pubDate>
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<item>
<title>2007全球3G市场呈现四大看点</title>
<link>http://www.bokee.net/blogmodule/weblogcomment_viewEntry/1066830.html</link>
<description>
<![CDATA[3G在全球不温不火地发展了4年之后终于进入了快车道。根据wireless intelligence公司在2006年11月底提供的数据统计，全球3G CDMA的用户总数已经达到4.14亿，其中基于CDMA2000及EV-DO演进版本的网络用户占到3亿多，WCDMA及HSDPA/HSUPA网络也达9350万。而与此同时，全球无线通信产业向高数据速率、多频多模终端两大方向发展的趋势越来越明显，丰富多彩的应用和服务则真正在广大用户的手机上展开，这让人们可以进一步窥见未来手机的形态。
<p>　　<strong>EV-DO、HSDPA继续走强</strong></p>
<p>　　近期，3G在全球实现了显著的增长，经过前3年的发展，3G技术真正获得了大规模的接受，系统设备厂商们拿出了务实的2G升级至3G的解决方案，使3G网络建设成本和服务价格达到一个比较合理的水平。同时，手机终端方面的进展带来了更丰富的功能、时髦的设计和诱人的价格，真正吸引了消费者。</p>
<p>　　然而，真正推动全球3G市场加速发展的是以EV-DO和HSDPA为代表的3G演进版本进入了商用。这两种移动宽带技术为消费者带来了他们真正期待的&ldquo;3G&rdquo;无线数据体验，数据速率方面的技术优势也为运营商搭上3G这条船增添了信心。</p>
<p>　　3gtoday.com的数据显示，仅2006年一年间，全球EV-DO和HSDPA用户数就激增数倍，达到5000多万。迄今为止，已有49家运营商在运营EV-DO业务，33个在运营HSDPA。</p>
<p>　　根据CDMA发展组织(CDG)提供的数据，3G服务每月新增8500万用户，到2010年底CDMA2000用户则预计可达到5亿户。在西欧市场，从2005年第四季度起，新增移动用户中WCDMA所占的比例就超过了50%，2006年第二季度的WCDMA新增用户在所有新增移动用户中所占比例更是高达82%，远远超出了GSM。而在手机销售方面，西欧市场在2006年6月售出的手机中已有41%是WCDMA手机。也就是说，在发达国家市场，3G已经成为移动通信发展的主流形式。</p>
<p>　　<strong>高速、多频多模成为亮点</strong></p>
<p>　　面对这样的市场机遇，无线通信市场展现出两个明显的发展方向：高速和多频多模。由于无线通信产业在高速数据传输中已获益颇丰，继续提升网络成为必然的选择。</p>
<p>　　在2006年，HSDPA的演进版本HSUPA开始走向成熟，高通公司成功完成的业界首次HSUPA呼叫测试，其上行链路的数据传输速率达到了2.0 Mbps，这为WCDMA运营商的未来演进树立了信心。比HSDPA更早成熟的EV-DO技术也取得了长足的进步，EV-DO版本A已经进入商用部署，得到了Sprint Nextel，KDDI和Verizon Wireless等全球领先运营商的支持。</p>
<p>　　在3G全球开花的同时，另一个问题浮出了水面。业界曾经期待的全球统一通信制式并没有出现，就连频率都无法统一。特别是随着3G在全球扩展，2G网络与3G网络的并存非常普遍，同时WCDMA、CDMA2000并存，WiFi和手机电视等新技术蓬勃兴起&mdash;&mdash;在这样一个全球通信格局之下，获得无缝移动性最现实的手段就是多频多模。</p>
<p>　　<span class="yqlink"> 中国联通</span>的&ldquo;世界风&rdquo;CDMA/GSM双模手机就是一个成功的尝试，成为了移动通信领域的重要创举。2006年，中国联通针对双模双待手机多次集中采购，款式覆盖从高端到低端各个档次，吸引了众多目光。可以预见，在未来的无线通信市场上，能够同时支持多种网络、集成多种连接功能的终端将拥有诱人的市场机遇。未来的手机产品乃至消费电子产品将增加更多的扩展功能，便携娱乐设备、掌上电脑乃至更高级的智能电子产品将随时随地可接入无线宽带。</p>
<p>　　<strong>更多精彩应用大受青睐</strong></p>
<p>　　当稳定成熟的高速无线网络成为现实，3G真正的意义所在&mdash;&mdash;精彩纷呈的应用和服务深入人心，这反过来也是推动3G继续普及的强大力量。</p>
<p>　　一些新鲜的应用如&ldquo;社交网络&rdquo;以及诸如Blog的&ldquo;用户创造内容&rdquo;一跃而上手机，Myspace、YouTube、SeeMe TV都是大热门。但是可以看出，相对于文字，照片和视频的博客与分享在手机上似乎更为流行。音乐下载也风靡全球，&ldquo;3&rdquo;的NEWMUSIC club、Sprint的LISMO、KTF的Music Store在各自的服务区域内都大受欢迎。更引人注目的是日本KDDI，它以原来的铃声/音乐下载服务&ldquo;EZ Chaku-uta&rdquo;为基础，在3G网络上提供新的铃声/音乐下载服务&ldquo;Chaku Uta Full&rdquo;，提供CD音质的整首歌曲下载服务，下载量已经超过了5000万次。</p>
<p>　　类似的，运行于手机上的高速3D游戏、多人游戏和手机视频电话崭露头角，针对笔记本等便携计算产品的高速数据连接也大受青睐，戴尔、惠普、Itronix、联想、松下、东芝都在提供内置EV-DO的笔记本电脑，宏、戴尔、惠普、富士通、西门子、松下和LG等厂商则在提供内置HSPA的笔记本电脑。也正因为网络速度不断提升，移动数据业务不断发展，已经提出多年的&ldquo;手机电视&rdquo;在2006年异常火暴。从2006年夏天在德国举行的足球世界杯赛，已经可以初探手机电视的巨大市场爆发力，很多球迷已经利用自己的手机电视终端在乘坐地铁列车、公交车、出租车等户外环境下收看世界杯并参与猜比分赢大奖之类的活动。</p>
<p>　　<strong>中国设备商面临更多机遇</strong></p>
<p>　　连续不断的大型并购绝对算得上去年全球电信业界的大事。尽管全球在逐步普及3G的大环境中激烈的竞争成为这些合并之举的诱因，但也不能排除华为、中兴等中国新兴电信设备商的崛起为传统跨国电信厂商带来的压力。而随着ITU世界电信展首次在日内瓦以外的中国香港举行，无疑为中国在全球电信市场中的突出表现在2006年快要结束时写下了重重一笔。</p>
<p>　　知名分析机构预测全球的3G用户数将在2010年超过10亿大关，这将占所有移动用户总和的1/3强。在从4亿到10亿的跃进当中，中国通信设备厂商将成为一个重要的推动力。今年2月，华为与沃达丰集团签订了划时代的3G手机生产协议，据此协议，华为将在未来5年内在沃达丰运营的21个国家中，为其提供沃达丰特有品牌的3G手机。这项协议标志着华为首次大规模进入欧洲手机市场。华为与3G技术领导厂商美国高通公司的深入合作被认为是此次成功的重要原因之一，采用后者提供的高整合度手机芯片，华为生产3G手机的成本比国外手机厂商低30%。<span class="yqlink"> 中兴通讯</span>也已经在CDMA领域跨入了全球第一阵营。目前中兴CDMA系统设备商用已达5000万线，手机销售达1000万部。不久前，中兴通讯与印度运营商Reliance电信公司正式签约，一举获得3G基站、3G手机等一系列采购合同，整个一揽子合同总金额约7亿美元。这是中国电信设备企业在海外获得的最大单笔采购合同。</p>
<p>　　伴随着这些成功范例，更多的中国厂商也跃跃欲试并已经凸显实力，更多的目光也在投向中国的电信产业，更多的机遇也将出现在中国电信业面前。</p>]]>
</description>
<guid isPermaLink="false">http://www.bokee.net/blogmodule/weblogcomment_viewEntry/1066830.html</guid>
<subject></subject>
<author>GGGchina</author>
<category></category>
<pubDate>Mon, 01 Oct 2007 12:06:04 CST </pubDate>
</item>

<item>
<title>全球电信市场收购风暴来袭</title>
<link>http://www.bokee.net/blogmodule/weblogcomment_viewEntry/1052798.html</link>
<description>
<![CDATA[最新消息显示，美国电信设备商Avaya已接受了TPG Capital及银湖伙伴公司两大私募基金的收购要约，价格为每股17.5美元，总值约为82亿美元。在私募基金的推动下，去年屡次上演并购大戏的全球电信市场今年悄然刮起了一场收购风暴。
<p>　<strong>　82亿美元私有化Avaya</strong></p>
<p>　　近日，Avaya公司宣布，与全球著名两只私募投资基金银湖和TPG Capital正式达成收购协议，这两家私募基金将以总价值约为82亿美元的资金收购Avaya。</p>
<p>　　根据收购协议，持有Avaya普通股的股东将获得每股17.50美元的现金。如果50日之内没有其他第三方收购者的要约与Avaya达成协议，那么在美国纽约<span class="yqlink">
<form class="yqin" action="http://www.iask.com/n" method="post">
    <input type="hidden" name="k" value="%D6%A4%C8%AF" />
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证券</span>交易所公开挂牌交易的上市公司Avaya将完全退市私有化。</p>
<p>　　Avaya曾是朗讯的分支，AT&amp;T公司的前身。其产品主要是为指挥语音和数据流量的企业通信系统提供核心设备，该公司为100万客户提供语音、E-mail、电话会议、即时信息和视频通信服务。美国很多大型企业都是其客户。该公司约五成营收来自长期服务合同，这也是其受到私募基金青睐的原因之一。</p>
<p>　　此前，北电、思科和微软都被传参与竞购Avaya。有消息称，微软在同北电组建合资公司前就提出了同Avaya合作的意向，但Avaya拒绝了这个要求，因为微软要求Avaya把最核心的技术授权给它。知情人士透露，今年5月，Avaya与北电曾进行过接触，但价格和支付方式存在分歧。</p>
<p>　　<strong>TPG高盛250亿收购Alltel</strong></p>
<p>　　实际上，早在Avaya接受收购协议一个月之前，TPG已经联手高盛250亿美元收购美国第五大无线通讯商Alltel。这一收购成交价格不仅在无线业务领域创下新纪录，也创下私人资本在这一领域收购的新高。</p>
<p>　　Alltel表示，如果获得股东和监管机构的批准，这项收购行动预计将在今年第四季度或明年第一季度完成。Alltel的首席执行官表示，目前没有裁员计划和内部调整的打算。TPG和高盛将支付价值40亿美元的<span class="yqlink">
<form class="yqin" action="http://www.iask.com/n" method="post">
    <input type="hidden" name="k" value="%B9%C9%C6%B1" />
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股票</span>，而花旗集团领衔的多家银行将提供超过6亿美元的&ldquo;桥式权益投资&rdquo;。</p>
<p>　　作为全美第五大无线通讯商，Alltel拥有近1200万手机用户，市值高达220亿美元，主要向乡村和小城市的客户提供无线通讯服务，同时也拥有全美范围最广的网络覆盖。去年，Alltel分拆了固话业务，计划全力发展增长速度更快的无线电信业务，正是这次分拆使它成为一个更具吸引力的目标。</p>
<p>　　早在去年12月，Alltel就被传出计划出售，此举引起了很多私募基金的关注，但其过高的价格让很多基金望而却步。有分析指出，Alltel之所以和TPG与高盛在短时间内签约，同当前的债务融资市场异常活跃有很大关系。</p>
<p>　　<strong>私募基金钟情电信市场</strong></p>
<p>　　在电信业今年的几大收购案中，私募基金成为了绝对的主角。值得注意的是，电信设备市场存在很多类似于Avaya现金充沛且负债少的公司，它们可能刺激更多杠杆收购活动的展开。</p>
<p>　　分析人士指出，对电信企业来说，私有化最大的好处在于可以降低公司的运营成本。此外，上市公司股权分散，在股东和管理层的较量中往往管理层占上风，会做一些对管理层有益但未必对股东有益的事，而且沟通成本很高，而私有化后股权相对集中。</p>
<p>　　近年来，私人股本基金公司出手收购了全球各类产业中的一些大型企业，已成为金融和商业领域的巨大推动力量。有数据显示，去年私人股本基金表现非凡，私人股本基金已成为全球并购大潮中的强大力量，去年私人股本基金宣布的交易价值升至创纪录的7000亿美元，较2005年的交易额高出一倍以上，更是1996年的20倍。&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 2007-06-13&nbsp;</p>]]>
</description>
<guid isPermaLink="false">http://www.bokee.net/blogmodule/weblogcomment_viewEntry/1052798.html</guid>
<subject></subject>
<author>GGGchina</author>
<category></category>
<pubDate>Mon, 24 Sep 2007 18:36:47 CST </pubDate>
</item>

<item>
<title>王晓初：固话收入下降对获3G牌有正面影响</title>
<link>http://www.bokee.net/blogmodule/weblogcomment_viewEntry/1052792.html</link>
<description>
<![CDATA[<font face="楷体_GB2312">语音收入负增长 获3G牌照前不发A股</font>
<p>　　马晓芳 李亚</p>
<p>　　中国电信(0728.HK)&ldquo;减量减收&rdquo;的发展困局已逐渐明显，而宽带以及增值业务将成为下一步的业务增长点。</p>
<p>　　昨天，中国电信公布的2006年财报显示，其去年自由现金流达290.72亿元，与2005年同期相比增加33.4%。这家手握大笔现金的固定电话公司正谋求战略转型, 该公司非语音业务去年获得了100亿元的正增长,而语音业务则首次出现了23.6亿元的负增长。公司董事长兼首席执行官王晓初表示, 语音业务出现负增长在预料之中, 全球移<!---->动电话对固定电话服务的替代趋势不可扭转，欧美电信商也出现同样的问题，香港的固定电话收入已有十年负增长， &ldquo;我相信固定电话收入下降的数据，对中国电信获得3G牌照应该有正面的影响，监管部门会注意到这个变化，让中国电信尽快进入到新业务领域。&rdquo;王晓初说，公司增加现金的做法则是为了收购移<!---->动电话网络及IPTV等重大收购作资本储备。</p>
<p>　　在过去三年间，中国电信连续压缩资本开支，估计公司2007年的资本开支将进一步减低，控制在470亿元，达到4.2%的降幅。值得注意的是， 470亿元预计资本开支当中并没有包括对3G网络收购的开支。</p>
<p>　　<strong>与中国移<!---->动差距拉大</strong></p>
<p>　　尽管2006年中国电信营业收入为1701.22亿，同比增长4.7%，净利润为221.71亿元，同比增长4.9%。但不管是总收入规模，还是净利润以及增长速度都与中国移<!---->动进一步拉大差距。</p>
<p>　　前不久，中国移<!---->动公布的2006年总收入达2953.6亿元，是中国电信收入的1.5倍，净利润660亿，是中国电信的3倍，收入和净利润的增长速度都在20%以上，几乎是中国电信的5倍。</p>
<p>　　更让中国电信感到焦虑的是，持续了几年的&ldquo;增量不增收&rdquo;进一步恶化到&ldquo;减量减收&rdquo;的地步。在中国电信总收入中占44.6%的本地通话业务下降了3.5%，从809.45亿下降到780.74亿，长途电话业务也从294.00亿元下降了2.5%，仅为286.57亿元。中国电信表示，收入减少是由于移<!---->动资费持续下降，与固定电话资费差距减少，移<!---->动业务对固网业务分流进一步加剧，造成了本地语音服务ARPU(每户每月收入)的下降。</p>
<p>　　虽然从2006年的个别月份来看，用户和收入共同减少的趋势已经出现，不过从2006年全年来说，中国电信的用户仍有小幅度增长，本地电话用户达到2.23亿，增长1295万，互联网宽带用户为2832万，增长730万，相对于2005年2340万户的固话用户增长数，增长率已严重放缓，与中国移<!---->动2006年5320万的用户增长数更是有天壤之别。</p>
<p>　　中国电信一位中层管理人员向《第一财经日报》分析称，如果说&ldquo;增量不增收&rdquo;意味着需要寻找新的业务增长点，那么&ldquo;减量减收&rdquo;则意味着无法解决的危机已经到来，因为用户已经不再需要中国电信的业务，并选择了离网。据他透露，来自中国电信集团会议的消息显示，今年1月份，中国电信有9个省的业务出现了负增长。</p>
<p>　　<strong>获3G牌照前不发A股</strong></p>
<p>　　在中国电信行业重组和3G发牌的重要时刻，虽然中国电信高层多次在公开场合宣布已经做好准备，不过从中国电信本身的情况来看，这个准备并不充分。中国电信表示，到2006年底，中国电信的现金及现金等价物为181.91亿元，营运资金短缺为1170.12亿元，而在最近传言中的联通C网的价格至少在500亿~700亿左右，这对中国电信而言并不是一个小数目。</p>
<p>　　王晓初在昨天的业绩发布会上表示，公司暂时不打算发行A股，主要原因是现在没有重大投资和资本需要，如果公司取得3G牌照会再作考虑；至于是否会收购<span class="yqlink"> 中国联通</span>的CDMA网络，王晓初表示，需要等待国家电信改革政策出台，并等待有关监管机构审批。</p>
<p>　　对于引入海外策略投资者，他认为，由于中国许多政策仍未落实，发展方向不明确，虽然已经有多家海外公司表示有意成为该公司的策略性股东，但中国电信并不着急把自己&ldquo;嫁出去&rdquo;。 </p>]]>
</description>
<guid isPermaLink="false">http://www.bokee.net/blogmodule/weblogcomment_viewEntry/1052792.html</guid>
<subject></subject>
<author>GGGchina</author>
<category></category>
<pubDate>Mon, 24 Sep 2007 18:34:06 CST </pubDate>
</item>

<item>
<title>软件无线电技术在3G和4G中的应用</title>
<link>http://www.bokee.net/blogmodule/weblogcomment_viewEntry/1049094.html</link>
<description>
<![CDATA[<strong>提高3G系统的灵活性</strong>
<p>　　当前，蜂窝移动通信系统已经发展到第三代，3G系统进入商业运行一方面需要解决不同标准的系统间的兼容性；另一方面为了适应技术的飞速发展，3G无线通信系统要求具有高度的灵活性和扩展升级能力，软件无线电技术无疑是最好的解决方案。作为3G移动通信标准中的两个主要标准，W-CDMA和CDMA2000都采用码分多址接入方式，并具有信道带宽宽、数据速率多样且支持高速率、不同业务采用信道编码不同等共性，同时，这两种标准之间在码片速率、信道带宽和信道选择码等方面也存在差异。为了解决这些方面的问题及提高系统容量，在3G中采用了智能天线技术(Smart Antenna)、多用户检测技术(MUD)等，使得软件无线电技术在3G系统中有着广泛的应用空间。</p>
<p>　　首先，智能天线技术在我国的TD-SCDMA的方案中，利用数字信号处理技术识别用户信号到达方向，形成天线主波束；引入空分多址(SDMA)方式，根据用户信号不同的空间传播方向，提供不同的空间信道；采用数字方法对阵元接收信号进行加权处理，形成多个波束赋形，每一个波瓣对应于一个特别的手机用户，波束也可以动态追踪用户，使主波束对准用户信号方向，在干扰信号方向上，形成天线方向图零陷或功率增益较低，从而达到抑制干扰的目的。</p>
<p>　　其次，在欧共体的ACTSFIRST项目中，软件无线电技术也用到了设计多频/多模可编程手机中。它可自动检测接收信号，接入不同的网络，而且能满足不同的接续时间要求。软件无线电技术可用不同软件实现不同无线电设备的各种功能，可任意改变信道接入方式或调制方式，利用不同软件即可适应不同标准，构成多模手机和多功能基站，具有高度的灵活性。</p>
<p>　　除此之外，软件无线电出现了一些新的发展趋势：主要表现在体系结构分层化、软件模块化、结构数学分析化、面向对象化、计算机化、网络化和安全化。</p>
<p>　　<strong>提供通向4G的桥梁随</strong></p>
<p>　　着3G技术不断成熟并最终进入市场进行运营，国际电信联盟(ITU)已经开始研究制订第四代移动通信标准，并已达成共识：把移动通信系统同其他系统(例如无限局域网、WLAN等)结合起来，产生4G技术，2010年之前使数据传输速率达到100Mbit/s，以提供更有效的多种业务，最终实现商业无线网络、局域网、<span class="yqlink"> 蓝牙</span>、广播、电视卫星通信的无缝衔接并相互兼容。</p>
<p>　　4G的关键技术主要有：OFDM(正交频分复用)、软件无线电、智能天线和IPv6技术。</p>
<p>　　在4G众多关键技术之中，软件无线电技术是通向未来4G的桥梁。由于各种技术的交迭有利于减少开发的风险，所以未来的4G技术需要适应不同种类的产品的要求。而软件无线电技术则是适应产品多样性的基础。它不仅能减少开发风险，还更易于开发系列型产品。此外，它还减少了硅芯片的容量，从而削减了运算器件的价格，其开放的结构也会允许多方运营的介入；同时，由于DSP的使用，也弥补了廉价RF(RadioFrequency)所造成的不足。在实际应用中，RF部分是昂贵而缺乏灵活性的，宽带的RF是非线性的，而通过使用SDR技术可弥补其在灵活性上的不足。</p>
<p>　　在网络支持方面，由于4G通信系统选择了采用基于IP的全分组的方式传送数据流，因此IPv6技术将成为下一代网络的核心协议。而大量链路类型的不同链接可通过SDR进行互联。同时，动态频谱的分配也有利于在已占用带宽上实现新的服务。</p>
<p>　　智能天线技术也是4G中的关键技术，它与SDR技术同样紧密相连。它是在软件无线电基础上提出的天线设计新概念，是数字多波束形成(DBF)技术与软件无线电完美结合的产物。一方面，软件无线电为智能天线的实现提供了一条有效可行的技术途径，另一方面智能天线也为软件无线电的发展起到了推动作用。它们两者相互渗透、相互促进。基于软件无线电的智能天线主要包括：单信道智能天线，即通过天线阵感应的射频信号，首先经过前端模拟预处理变换为适合于A/D采样的宽带中频信号，该宽带中频信号经A/D数字化后送到数字下变频器(DDC)，对宽带数字中频内某一感兴趣的信号进行数字正交下变频和采样率变换，变换为与信号带宽相适应的低采样率的基带正交(I/Q)数字信号，这N路I/Q基带数据被同时送到M个数字波束形成器(DBF)，分别进行不同指向的波束形成运算，最终获得所需的M个波束。信息解调模块(DEMOD)要么对所形成的这M个波束同时进行解调，要么选取其中信噪比最大的波束进行解调，前者可以实现同频空分复用，后者则可以实现定向接收，改善输出信噪比。其次为多信道智能天线，它与单信道智能天线相比只是在A/D后设置多个单信道多波束形成器SCMBF。此外还包括多相滤波信道化智能天线，它的最大特点是能够实现频域空域上的全波束形成。</p>]]>
</description>
<guid isPermaLink="false">http://www.bokee.net/blogmodule/weblogcomment_viewEntry/1049094.html</guid>
<subject></subject>
<author>GGGchina</author>
<category></category>
<pubDate>Sat, 22 Sep 2007 18:12:20 CST </pubDate>
</item>

<item>
<title>解读五大3G疑问</title>
<link>http://www.bokee.net/blogmodule/weblogcomment_viewEntry/1045055.html</link>
<description>
<![CDATA[<p><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">&nbsp;&nbsp;&nbsp; </span><span style="FONT-SIZE: 9pt; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial"><font face="宋体">疑问一：</font></span><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">TD</span><font face="宋体"><span style="FONT-SIZE: 9pt; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">能否成功？</span><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial"><o:p></o:p></span></font></p>
<p><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">&nbsp;&nbsp;&nbsp; </span><span style="FONT-SIZE: 9pt; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial"><font face="宋体">政府的态度已非常明确：全力支持</font></span><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">TD</span><span style="FONT-SIZE: 9pt; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial"><font face="宋体">，确保其在中国的成功。不能否认，</font></span><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">TD</span><span style="FONT-SIZE: 9pt; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial"><font face="宋体">仍然存在技术风险，毕竟这是一个在世界上任何地方还没有商用过的标准，而且确实与另外两个成熟制式存在差距。不过</font></span><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">TD</span><font face="宋体"><span style="FONT-SIZE: 9pt; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">先行和中国移动作为其运营商两个重大决策大大增加了其获得成功的可能。</span><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial"><o:p></o:p></span></font></p>
<p><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">&nbsp;&nbsp;&nbsp; </span><span style="FONT-SIZE: 9pt; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial"><font face="宋体">疑问二：何时发</font></span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="3" unitname="g"><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">3G</span></st1:chmetcnv><font face="宋体"><span style="FONT-SIZE: 9pt; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">牌照？</span><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial"><o:p></o:p></span></font></p>
<p><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">&nbsp;&nbsp;&nbsp; </span><span style="FONT-SIZE: 9pt; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial"><font face="宋体">其实</font></span><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">TD-SCDMA</span><span style="FONT-SIZE: 9pt; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial"><font face="宋体">既成事实，中国</font></span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="3" unitname="g"><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">3G</span></st1:chmetcnv><span style="FONT-SIZE: 9pt; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial"><font face="宋体">已经上路，</font></span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="3" unitname="g"><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">3G</span></st1:chmetcnv><span style="FONT-SIZE: 9pt; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial"><font face="宋体">牌照的预测已失去实质意义。</font></span><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">TD</span><span style="FONT-SIZE: 9pt; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial"><font face="宋体">首轮建网于</font></span><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">10</span><span style="FONT-SIZE: 9pt; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial"><font face="宋体">月底才能结束，之后商业试运营还需要一段时间。因此</font></span><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">2007</span><span style="FONT-SIZE: 9pt; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial"><font face="宋体">年虽然被看作是中国的</font></span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="3" unitname="g"><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">3G</span></st1:chmetcnv><font face="宋体"><span style="FONT-SIZE: 9pt; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">元年，但业界期盼很久的牌照恐怕仍然不会明确。</span><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial"><o:p></o:p></span></font></p>
<p><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">&nbsp;&nbsp;&nbsp; </span><span style="FONT-SIZE: 9pt; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial"><font face="宋体">疑问三：奥运能用上</font></span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="3" unitname="g"><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">3G</span></st1:chmetcnv><font face="宋体"><span style="FONT-SIZE: 9pt; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">吗？</span><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial"><o:p></o:p></span></font></p>
<p><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">&nbsp;&nbsp;&nbsp; </span><span style="FONT-SIZE: 9pt; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial"><font face="宋体">官方一再承诺将在</font></span><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">2008</span><span style="FONT-SIZE: 9pt; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial"><font face="宋体">年奥运期间推出</font></span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="3" unitname="g"><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">3G</span></st1:chmetcnv><span style="FONT-SIZE: 9pt; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial"><font face="宋体">服务，因此，</font></span><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">TD</span><span style="FONT-SIZE: 9pt; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial"><font face="宋体">首轮建网的</font></span><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">10</span><font face="宋体"><span style="FONT-SIZE: 9pt; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">个城市中包括了北京、上海、天津、沈阳、青岛、秦皇岛等奥运城市。</span><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial"><o:p></o:p></span></font></p>
<p><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">&nbsp;&nbsp;&nbsp; </span><span style="FONT-SIZE: 9pt; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial"><font face="宋体">显然，奥运期间提供</font></span><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">TD</span><span style="FONT-SIZE: 9pt; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial"><font face="宋体">网络将不成问题，但由于</font></span><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">TD</span><span style="FONT-SIZE: 9pt; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial"><font face="宋体">刚刚商用，需要专门的</font></span><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">TD</span><span style="FONT-SIZE: 9pt; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial"><font face="宋体">手机才能够使用。虽然兑现了承诺，但如果需要换一部手机才能使用的话，那么提供的</font></span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="3" unitname="g"><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">3G</span></st1:chmetcnv><font face="宋体"><span style="FONT-SIZE: 9pt; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">服务将大打折扣。</span><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial"><o:p></o:p></span></font></p>
<p><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">&nbsp;&nbsp;&nbsp; </span><font face="宋体"><span style="FONT-SIZE: 9pt; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">疑问四：中移动是否会失去领先优势？</span><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial"><o:p></o:p></span></font></p>
<p><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">&nbsp;&nbsp;&nbsp; BDA</span><span style="FONT-SIZE: 9pt; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial"><font face="宋体">中国电信分析师张宇认为：</font></span><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">&ldquo;</span><span style="FONT-SIZE: 9pt; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial"><font face="宋体">除非政府有意打压中国移动，或者</font></span><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">TD</span><span style="FONT-SIZE: 9pt; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial"><font face="宋体">的上马给中国移动带来巨大的负面影响，否则在未来</font></span><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">5</span><span style="FONT-SIZE: 9pt; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial"><font face="宋体">年之内中国移动一家独大的根本格局是无法改变的。</font></span><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">&rdquo;<o:p></o:p></span></p>
<p><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">&nbsp;&nbsp;&nbsp; </span><span style="FONT-SIZE: 9pt; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial"><font face="宋体">疑问五：</font></span><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">TD</span><font face="宋体"><span style="FONT-SIZE: 9pt; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">是否给国内厂商带来新机会？</span><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial"><o:p></o:p></span></font></p>
<p><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">&nbsp;&nbsp;&nbsp; </span><span style="FONT-SIZE: 9pt; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial"><font face="宋体">据相关人士预测：大唐、中兴等国内厂商将拿到</font></span><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">85%</span><font face="宋体"><span style="FONT-SIZE: 9pt; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">的份额。不过随着爱立信、诺基亚等国外巨头的介入，凭借他们的实力以及与中国移动的关系，未来肯定会影响竞争格局的变化。</span><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial"><o:p></o:p></span></font></p>
<p><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">&nbsp;&nbsp;&nbsp; </span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">终端厂商中的联想、中兴、夏新等国内厂商在</span><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">TD</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">终端方面处于领先，国外手机厂商里只有三星、</span><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">LG</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">等韩国厂商明确进入，欧美主流厂商仍在观望。不过一旦接近放号，竞争的焦点就将转移至终端市场。国外终端厂商的跟进实力恐怕比设备厂商还要强大</span></p>]]>
</description>
<guid isPermaLink="false">http://www.bokee.net/blogmodule/weblogcomment_viewEntry/1045055.html</guid>
<subject></subject>
<author>GGGchina</author>
<category></category>
<pubDate>Thu, 20 Sep 2007 19:17:33 CST </pubDate>
</item>

<item>
<title>诺基亚西门子欲夺TD份额30% 协商鼎桥布局</title>
<link>http://www.bokee.net/blogmodule/weblogcomment_viewEntry/1045042.html</link>
<description>
<![CDATA[4月3日下午，诺基亚西门子通信公司首席市场运营官(CMO)卡泽力(Christoph Caselitz)，大中国区董事长何庆源、大中国区总裁张志强独家做客新浪总裁在线，谈新公司战略及中国市场的布局。这也是诺基亚西门子合资公司正式运营后，中国公司高管首度集体亮相。
<p>　　其间谈及鼎桥、普诺等合资厂的安排，张志强表示，在短期之内诺基亚西门子通信公司、华为、普天三方会通过协调，找到三方都能满意的结果，真正促进TD-SCDMA的发展。同时，卡泽力透露诺基亚西门子通信公司目标是在TD-SCDMA市场上占到30%的市场份额。</p>
<p><strong>协商鼎桥、普诺安排</strong></p>
<p>　　在TD-SCDMA系统设备方面，目前已经形成了大唐＋阿尔卡特、华为＋西门子(即鼎桥)、中兴＋爱立信、普天＋诺基亚的合作模式。从中可以看出，诺基亚系的公司最多，加上该公司在全球终端领域的龙头地位，诺基亚西门子通信可以斡旋的余地最大；但换言之，公司需要理清的关系可能也最为烦琐。</p>
<p>　　何庆源透露：&ldquo;在总体布局方面，诺基亚、西门子合并以后，我们在中国有9个合资公司，17个合作伙伴。&rdquo;</p>
<p>　　他指出：&ldquo;因为现在合资公司之间，本身也有比较多的职能，有可能在未来的一段时间，我们去跟合资伙伴去商量，怎样去重组，怎样从总体上让合资公司本身的效益能更好地发挥出来，让诺基亚西门子通信公司在中国通过合资公司的支持有进一步的增进，所以我们会进一步跟合作伙伴商量，安排我们下一步合资公司的布局。&rdquo;</p>
<p>　　<strong>欲夺TD市场份额30%</strong></p>
<p>　　3月26日，鼎桥CEO孟乐曾在公司两周年的庆典上放言，认为鼎桥有望在中国移<!---->动TD招标中夺取50%的订单份额。</p>
<p>　　卡泽力强调，西门子是TD标准的发起人之一，诺基亚西门子通信公司会继续加强在TD方面的技术和优势，会在中国TD市场保持一个领先的地位。&ldquo;我们的目标是在TD市场上占到30%的市场份额，这个目标是野心勃勃的，但是我们是非常坚定地向这个目标前进的，在服务保障方面我们也做得很好。&rdquo;他说。</p>
<p>　　&ldquo;我们在TD上投入了很多，包括我们两个合资企业；在WCDMA上我们也投入了很多，在全球各个方面都有我们的运营商。&rdquo;张志强表示，&ldquo;不管哪个技术进入到中国来，我们都已经做好了准备为我们运营商做好服务。&rdquo;</p>]]>
</description>
<guid isPermaLink="false">http://www.bokee.net/blogmodule/weblogcomment_viewEntry/1045042.html</guid>
<subject></subject>
<author>GGGchina</author>
<category></category>
<pubDate>Thu, 20 Sep 2007 19:11:10 CST </pubDate>
</item>

<item>
<title>"零信息费"体现无线上网魅力 WAP敲开3G大门</title>
<link>http://www.bokee.net/blogmodule/weblogcomment_viewEntry/1043243.html</link>
<description>
<![CDATA[<p>&nbsp; 上世纪80年代，&ldquo;板砖&rdquo;式的大哥大还是一种身份的象征，而现在，小巧玲珑、功能强大的手机已经随处可见了。在短信服务刚刚开通的时候，没有人把这个以&ldquo;毛&rdquo;计算的小东西放在眼里，但在五六年的时间里，这桩&ldquo;小买卖&rdquo;不仅救活了无数网站、媒体和SP们，也为人们创造了一种全新的生活方式，成为一笔每天6亿条的大生意。新的模式带来了生活方式的革命。 </p>
<p>&nbsp; 随着国内3G标准出台时间的临近，现在，一场更加宏大的手机革命又将到来。这场基于WAP无线通信的技术革命，将比短信更加深刻地触及全国4亿手机用户的生活，并为目前的手机产业带来全新的巨大商机。 </p>
<p>&nbsp; 免费 WAP：下一个金矿 </p>
<p>&nbsp; WAP无线上网将是3G时代的&ldquo;杀手级应用&rdquo;。它与短信的区别，就像电脑和算盘的区别一样巨大。通过WAP，手机不再只是简单的信息收发器，而将成为一个由视频、音乐、娱乐内容组成的巨大网络的一部分。据统计，目前中国已有近1亿的手机用户使用WAP无线上网服务，巨大的用户规模已经为市场井喷做好了准备。 </p>
<p>&nbsp; 但WAP真正实现普及仍然受到现实条件的制约。一方面，现有的第二代GSM网络的技术瓶颈，无法让WAP真正发挥出应有的应用优势。另一方面，过高的下载服务资费也是限制WAP大面积普及的一大障碍。要成为下一个高产的金矿，WAP行业呼唤配套的技术革命和一种新的运营模式的到来。 </p>
<p>&nbsp; 免费 WAP概念的兴起使人们真正看到了希望。从2004年起，免费WAP上网服务开始出现，并逐渐从小作坊式的个人网站向大型、综合性的门户网站发展，其中如我族网、3G门户，摩网等便是其中的佼佼者。这些服务商不仅为手机用户构建了丰富的WAP内容服务平台，而且通过&ldquo;零信息费&rdquo;的经营模式，让更多的手机用户可以真正体验到WAP无线上网的魅力。 </p>
<p>&nbsp; 免费 WAP能带来什么？ </p>
<p>&nbsp; 免费 WAP服务带来的最大区别当然是&mdash;&mdash;免费。免费的午餐，对于早已习惯了中国特色的高收费标准的国内手机用户来说，无疑具有莫大的吸引力。免费，就意味着用户，而用户，才是被称为&ldquo;手机宽带&rdquo;的3G时代的最大财富。谁掌握了用户，谁就掌握了这个时代的最大话语权。也只有拥有巨大的用户群，才能带来度身定制的差异化服务，从而在这场3G角逐中抢得先机。 </p>
<p>&nbsp; 以我族网为例，这家知名的免费WAP网站致力于建造中国最大的手机娱乐社区。有了巨大的用户群支持，使WAP上网服务不仅仅局限于图铃和音乐内容的简单下载，而是包括诸如交友社区、个人博客、BBS、在线游戏等更加丰富深广的网络互动服务。而这些服务，反过来又给用户带来了真正意义上的WAP体验，从而彻底改变用户的生活方式，形成一个良性的循环。 </p>
<p>&nbsp; 免费 WAP的春天有多远？ </p>
<p>&nbsp; 一边是可预见的市场井喷，一边3G标准的&ldquo;犹抱琵琶半遮面&rdquo;，目前的免费 WAP服务不得不在乐观前景和现实打压的夹缝中生存。去年11月，中国移动宣布，禁止SP服务商在免费WAP上推广业务。一个月后，移动再次宣布不再向免费WAP网站提供用户的号码和终端信息。免费 WAP的春天究竟还有多远？ </p>
<p>&nbsp; 无论如何，有两点不可否认：一，3G时代早晚都会到来，不过是时间早晚问题。免费 WAP网站目前所作的正是为这一天做好准备。其次，随着3G在中国的真正落地，一种全新的竞争机制将有望打破目前的垄断局面，而WAP行业也将必定面临重新洗牌。届时，免费 WAP将会成为敲开3G大门的一块金砖。这一点，从国外WAP行业的发展经历中已经获得了最好的证明。</p>]]>
</description>
<guid isPermaLink="false">http://www.bokee.net/blogmodule/weblogcomment_viewEntry/1043243.html</guid>
<subject></subject>
<author>GGGchina</author>
<category></category>
<pubDate>Wed, 19 Sep 2007 22:25:49 CST </pubDate>
</item>

<item>
<title>关于2.5G＼HSCSD（高速电路交换数据服务）＼WAP＼Bluetooth（蓝牙） 以及3G何时到来 ．．．</title>
<link>http://www.bokee.net/blogmodule/weblogcomment_viewEntry/1038914.html</link>
<description>
<![CDATA[<p><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">　　<span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">什么是</span><st1:chmetcnv w:st="on" unitname="g" sourcevalue="2.5" hasspace="False" negative="False" numbertype="1" tcsc="0"><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">2.5G</span></st1:chmetcnv><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> </span></span></p>
<p><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial"><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">　　</span>目前已经进行商业应用的</span><st1:chmetcnv w:st="on" unitname="g" sourcevalue="2.5" hasspace="False" negative="False" numbertype="1" tcsc="0"><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">2.5G</span></st1:chmetcnv><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">移动通信技术是从</span><st1:chmetcnv w:st="on" unitname="g" sourcevalue="2" hasspace="False" negative="False" numbertype="1" tcsc="0"><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">2G</span></st1:chmetcnv><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">迈向</span><st1:chmetcnv w:st="on" unitname="g" sourcevalue="3" hasspace="False" negative="False" numbertype="1" tcsc="0"><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">3G</span></st1:chmetcnv><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">的衔接性技术，由于</span><st1:chmetcnv w:st="on" unitname="g" sourcevalue="3" hasspace="False" negative="False" numbertype="1" tcsc="0"><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">3G</span></st1:chmetcnv><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">是个相当浩大的工程，所牵扯的层面多且复杂，要从目前的</span><st1:chmetcnv w:st="on" unitname="g" sourcevalue="2" hasspace="False" negative="False" numbertype="1" tcsc="0"><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">2G</span></st1:chmetcnv><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">迈向</span><st1:chmetcnv w:st="on" unitname="g" sourcevalue="3" hasspace="False" negative="False" numbertype="1" tcsc="0"><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">3G</span></st1:chmetcnv><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">不可能一下就衔接得上，因此出现了介于</span><st1:chmetcnv w:st="on" unitname="g" sourcevalue="2" hasspace="False" negative="False" numbertype="1" tcsc="0"><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">2G</span></st1:chmetcnv><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">和</span><st1:chmetcnv w:st="on" unitname="g" sourcevalue="3" hasspace="False" negative="False" numbertype="1" tcsc="0"><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">3G</span></st1:chmetcnv><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">之间的</span><st1:chmetcnv w:st="on" unitname="g" sourcevalue="2.5" hasspace="False" negative="False" numbertype="1" tcsc="0"><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">2.5G</span></st1:chmetcnv><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">。</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">HSCSD</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">、</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">WAP</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">、</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">EDGE</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">、蓝牙（</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">Bluetooth</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">）、</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">EPOC</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">等技术都是</span><st1:chmetcnv w:st="on" unitname="g" sourcevalue="2.5" hasspace="False" negative="False" numbertype="1" tcsc="0"><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">2.5G</span></st1:chmetcnv><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">技术</span>&nbsp;&nbsp; </p>
<p>　　　<span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">HSCSD</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">（高速电路交换数据服务）</span></p>
<p><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">　　</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">这是</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">GSM</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">网络的升级版本，</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">HSCSD</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">（</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">HighSpeedCircuitSwitchedData</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">）能够透过多重时分同时进行传输，而不是只有单一时分而已，因此能够将传输速度大幅提升到平常的二至三倍。目前新加坡</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">M1</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">与新加坡电讯的移动电话都采用</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">HSCSD</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">系统，其传输速度能够达到</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">57.6kbps</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">。</span></p>
<p><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">　　<span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">WAP</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">（无线应用通讯协议）</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> <br /><br />WAP</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">（</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">WirelessApplicationProtocol</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">）是移动通信与互联网结合的第一阶段性产物。这项技术让使用者可以用手机之类的无线装置上网，透过小型屏幕遨游在各个网站之间。而这些网站也必须以</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">WML</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">（无线标记语言）编写，相当于国际互联网上的</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">HTML</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">（超文件标记语言）。</span></span></p>
<p><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial"><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">　　<span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">Bluetooth</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">（蓝牙）</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> <br /><br /></span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">蓝牙是一种短距的无线通讯技术，电子装置彼此可以透过蓝牙而连接起来，传统的电线在这里就毫无用武之地了。透过芯片上的无线接收器，配有蓝牙技术的电子产品能够在十公尺的距离内彼此相通，传输速度可以达到每秒钟</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">1</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">兆字节。以往红外线接口的传输技术需要电子装置在视线之内的距离，而现在有了蓝牙技术，这样的麻烦也可以免除了。</span></span></span></p>
<p><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial"><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial"><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">　　<span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">3G</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">何时到来</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> <br /><br /></span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">日本移动通讯巨人</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">NTTDoCoMo</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">已于</span><st1:chsdate w:st="on" year="2007" month="10" day="1" islunardate="False" isrocdate="False"><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">10</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">月</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">1</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">日</span></st1:chsdate><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">开通全球第一个</span><st1:chmetcnv w:st="on" unitname="g" sourcevalue="3" hasspace="False" negative="False" numbertype="1" tcsc="0"><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">3G</span></st1:chmetcnv><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">服务，该服务基于</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">WCDMA</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">标准。</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> <br /><br /></span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">目前，亚洲成为</span><st1:chmetcnv w:st="on" unitname="g" sourcevalue="3" hasspace="False" negative="False" numbertype="1" tcsc="0"><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">3G</span></st1:chmetcnv><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">发展最快的地区，欧洲紧随其次，美国由于不太热心而在技术准备上远远落后。除了动作最快的日本和韩国，泰国、香港也已经发出</span><st1:chmetcnv w:st="on" unitname="g" sourcevalue="3" hasspace="False" negative="False" numbertype="1" tcsc="0"><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">3G</span></st1:chmetcnv><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">牌照。台湾即将发放</span><st1:chmetcnv w:st="on" unitname="g" sourcevalue="3" hasspace="False" negative="False" numbertype="1" tcsc="0"><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">3G</span></st1:chmetcnv><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">牌照，预计内地在年底前发出</span><st1:chmetcnv w:st="on" unitname="g" sourcevalue="3" hasspace="False" negative="False" numbertype="1" tcsc="0"><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">3G</span></st1:chmetcnv><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">牌照，市场预期将发行两到三个牌照。</span></span></span></span></p>]]>
</description>
<guid isPermaLink="false">http://www.bokee.net/blogmodule/weblogcomment_viewEntry/1038914.html</guid>
<subject></subject>
<author>GGGchina</author>
<category></category>
<pubDate>Mon, 17 Sep 2007 22:24:17 CST </pubDate>
</item>

<item>
<title>什么是3G手机？其中的3G代表什么意思？</title>
<link>http://www.bokee.net/blogmodule/weblogcomment_viewEntry/1038904.html</link>
<description>
<![CDATA[<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">3G</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">是英文</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">3rdGeneration</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">的缩写，指第三代移动通信技术。相对第一代模拟制式手机（</span><st1:chmetcnv w:st="on" unitname="g" sourcevalue="1" hasspace="False" negative="False" numbertype="1" tcsc="0"><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">1G</span></st1:chmetcnv><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">）和第二代</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">GSM</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">、</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">TDMA</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">等数字手机（</span><st1:chmetcnv w:st="on" unitname="g" sourcevalue="2" hasspace="False" negative="False" numbertype="1" tcsc="0"><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">2G</span></st1:chmetcnv><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">），第三代手机一般地讲，是指将无线通信与国际互联网等多媒体通信结合的新一代移动通信系统。它能够处理图像、音乐、视频流等多种媒体形式，提供包括网页浏览、电话会议、电子商务等多种信息服务。为了提供这种服务，无线网络必须能够支持不同的数据传输速度，也就是说在室内、室外和行车的环境中能够分别支持至少</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">2Mbps</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">（兆字节／每秒）、</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">384kbps</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">（千字节／每秒）以及</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">144kbps</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">的传输速度。</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> <br /><br /><st1:chmetcnv w:st="on" unitname="g" sourcevalue="3" hasspace="False" negative="False" numbertype="1" tcsc="0">3G</st1:chmetcnv></span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">的技术标准</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> <br /><br /></span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">国际电信联盟（</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">ITU</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">）在</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">2000</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">年</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">5</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">月确定</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">W&mdash;CDMA</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">、</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">CDMA2000</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">和</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">TDS&mdash;CDMA</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">三大主流无线接口标准，写入</span><st1:chmetcnv w:st="on" unitname="g" sourcevalue="3" hasspace="False" negative="False" numbertype="1" tcsc="0"><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">3G</span></st1:chmetcnv><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">技术指导性文件《</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">2000</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">年国际移动通讯计划》（简称</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">IMT&mdash;2000</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">）。</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> <br /><br />W&mdash;CDMA <br /><br /></span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">即</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">WidebandCDMA</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">，也称为</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">CDMADirectSpread</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">，意为宽频分码多重存取，其支持者主要是以</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">GSM</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">系统为主的欧洲厂商，日本公司也或多或少参与其中，包括欧美的爱立信、阿尔卡特、诺基亚、朗讯、北电，以及日本的</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">NTT</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">、富士通、夏普等厂商。这套系统能够架设在现有的</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">GSM</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">网络上，对于系统提供商而言可以较轻易地过渡，而</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">GSM</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">系统相当普及的亚洲对这套新技术的接受度预料会相当高。因此</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">W&mdash;CDMA</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">具有先天的市场优势。</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> <br /><br />CDMA2000 <br /><br />CDMA2000</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">也称为</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">CDMAMulti&mdash;Carrier</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">，由美国高通北美公司为主导提出，摩托罗拉、</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">Lucent</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">和后来加入的韩国三星都有参与，韩国现在成为该标准的主导者。这套系统是从窄频</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">CDMAOne</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">数字标准衍生出来的，可以从原有的</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">CDMAOne</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">结构直接升级到</span><st1:chmetcnv w:st="on" unitname="g" sourcevalue="3" hasspace="False" negative="False" numbertype="1" tcsc="0"><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">3G</span></st1:chmetcnv><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">，建设成本低廉。但目前使用</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">CDMA</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">的地区只有日、韩和北美，所以</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">CDMA2000</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">的支持者不如</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">W&mdash;CDMA</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">多。不过</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">CDMA2000</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">的研发技术却是目前各标准中进度最快的，许多</span><st1:chmetcnv w:st="on" unitname="g" sourcevalue="3" hasspace="False" negative="False" numbertype="1" tcsc="0"><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">3G</span></st1:chmetcnv><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">手机已经率先面世。</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> <br /><br />TD&mdash;SCDMA <br /><br /></span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">该标准是由中国大陆独自制定的</span><st1:chmetcnv w:st="on" unitname="g" sourcevalue="3" hasspace="False" negative="False" numbertype="1" tcsc="0"><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">3G</span></st1:chmetcnv><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">标准，</span><st1:chsdate w:st="on" year="1999" month="6" day="29" islunardate="False" isrocdate="False"><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">1999</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">年</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">6</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">月</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">29</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">日</span></st1:chsdate><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">，中国原邮电部电信科学技术研究院（大唐电信）向</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">ITU</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">提出。该标准将智能无线、同步</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">CDMA</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">和软件无线电等当今国际领先技术融于其中，在频谱利用率、对业务支持具有灵活性、频率灵活性及成本等方面的独特优势。另外，由于中国内的庞大的市场，该标准受到各大主要电信设备厂商的重视，全球一半以上的设备厂商都宣布可以支持</span><span lang="EN-US" style="FONT-SIZE: 11.5pt; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">TD&mdash;SCDMA</span><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">标准。</span></p>
<p><span style="FONT-SIZE: 11.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial">&nbsp;&nbsp;&nbsp; </span></p>]]>
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<guid isPermaLink="false">http://www.bokee.net/blogmodule/weblogcomment_viewEntry/1038904.html</guid>
<subject></subject>
<author>GGGchina</author>
<category></category>
<pubDate>Mon, 17 Sep 2007 22:18:48 CST </pubDate>
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