澳门·威尼斯人(中国)官方网站
澳门·威尼斯人(中国)官方网站
标题:
edge介绍
[查看完整版帖子]
[打印本页]
时间:
2007-8-15 11:39
作者:
恐龙也不错
标题:
edge介绍
[attach]8913[/attach]<br/>
时间:
2007-8-15 12:38
作者:
rafequ
看看
时间:
2007-8-15 14:50
作者:
春小麦
<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0;"><font size="3"><span lang="EN-US" style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">EDGE</font></span><span style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">是</span><span lang="EN-US" style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">GPRS</font></span><span style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">的一种增强版本，它能够让现有</span><span lang="EN-US" style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">GSM</font></span><span style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">频谱容量和数据输出量翻三番，以最高</span><span lang="EN-US" style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">384Kbps</font></span><span style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">的数据传输速率和更高的网络容量支持包括视频流媒体、浏览网络和处理带附件的电子邮件等</span><span lang="EN-US" style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">3G</font></span><span style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">类型的服务。由于该技术简单而且相当经济有效，目前已经被广泛应用在北美和南美洲，同时也被认为是欧洲和亚太地区主要运营商对</span><span lang="EN-US" style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">WCDMA</font></span><span style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">的有益补充。</span><span lang="EN-US" style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><p></p></span></font></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 26.25pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.5;"><font size="3"><span style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">相对于传统</span><span lang="EN-US" style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">GSM/GPRS</font></span><span style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">所使用的</span><span lang="EN-US" style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">GMSK</font></span><span style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">，在</span><span lang="EN-US" style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">EDGE</font></span><span style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">中引入了一种新的空中接口调制方式（</span><span lang="EN-US" style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">8PSK</font></span><span style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">），从而有效地提高了数据传送的速度和频谱的利用率。</span><span lang="EN-US" style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">EDGE</font></span><span style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">将使运营商能够利用现有的无线频段来以高达</span><span lang="EN-US" style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">384kbit/s</font></span><span style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">的速度提供基于</span><span lang="EN-US" style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">IP</font></span><span style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">的无线多媒体应用，每时隙比特率高达</span><span lang="EN-US" style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">48kbit/s,</font></span><span style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">在无线传输良好的情况下甚至可以达到</span><span lang="EN-US" style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">69.2kbit/s</font></span><span style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">。</span><span lang="EN-US" style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">EDGE</font></span><span style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">同时也被称为从</span><span lang="EN-US" style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">GPRS</font></span><span style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">到</span><span lang="EN-US" style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">3G</font></span><span style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">之间的</span><span lang="EN-US" style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">]]2.75G]]</font></span><span style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">威尼斯人官方网站技术，它能提供高达</span><span lang="EN-US" style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">150Kbps</font></span><span style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">的上网速度，在部署</span><span lang="EN-US" style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">EDGE</font></span><span style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">以后，运营商可以使移动速率提高至</span><span lang="EN-US" style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">GPRS</font></span><span style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">速率的</span><span lang="EN-US" style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">3</font></span><span style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">倍多，确保较高的质量和较快的速度，并能促进移动数据业务的增长。</span><span style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">
<span lang="EN-US"><p></p></span></font></span></font></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0;"><font size="3"><span lang="EN-US" style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">EDGE</font></span><span style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">的主要优势之一是它可以完全利用现网的设备，需要的投资很少而且风险很小。</span><span lang="EN-US" style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">EDGE</font></span><span style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">将非常高效的利用现有</span><span lang="EN-US" style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">2G</font></span><span style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">基础设施：无线网络规划不会受到很大影响；它将能够重复利用现有的基站；</span><span lang="EN-US" style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">GPRS</font></span><span style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">分组交换节点不会受到影响（因为它们的运行独立于用户比特率）；对交换节点的所有修改只限于软件升级。简单地说，部署</span><span lang="EN-US" style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">EDGE</font></span><span style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">，能以较少的代价提升</span><span lang="EN-US" style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">GPRS</font></span><span style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">数据业务，并且达到与</span><span lang="EN-US" style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">3G</font></span><span style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">相差无几的效果。</span><span style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">
<span lang="EN-US"><p></p></span></font></span></font></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0;"><font size="3"><span style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">支持</span><span lang="EN-US" style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">EDGE</font></span><span style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">的信道将同样适用于标准的</span><span lang="EN-US" style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">2G</font></span><span style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">业务而且</span><span lang="EN-US" style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">EDGE</font></span><span style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">、</span><span lang="EN-US" style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">GPRS</font></span><span style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">和</span><span lang="EN-US" style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">GSM</font></span><span style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">业务之间不需要固定的信道分配。从运营商角度看，这将使他们能够无缝地推出新的</span><span lang="EN-US" style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">EDGE</font></span><span style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">业务，支持</span><span lang="EN-US" style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">EDGE</font></span><span style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">的基站硬件的部署则可以成为普通的网络扩展和提高容量的一部分。</span><span style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">
<span lang="EN-US"><p></p></span></font></span></font></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0;"><font size="3"><span style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">相对于现有的</span><span lang="EN-US" style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">GSM</font></span><span style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">网络，如果需要部署</span><span lang="EN-US" style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">EDGE</font></span><span style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">的话，只需在原有网络的基础上增加一些网元，而无须对原有的网络部件进行大规模的升级换代</span><span lang="EN-US" style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">, </font></span><span style="COLOR: #4a4a4a; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">而且新网元的增加可以按照需要来灵活部署。</span><span lang="EN-US" style="LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><p></p></span></font></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><p><font face="Times New Roman" size="3"> </font></p></span></p>
时间:
2007-8-16 17:49
作者:
handset
移动即将大力推出EDGE（EGPRS）业务，值得期待！
时间:
2008-2-27 15:50
作者:
tangtao18
长见识了！！谢谢
时间:
2008-9-13 21:59
作者:
danies
全面
时间:
2008-12-4 19:46
作者:
pengbo902
謝謝樓主。。。
澳门·威尼斯人(中国)官方网站 (https://www.ahtjzy.com/)
Powered by Powered by ahtjzy.com
