3G无线图传设备进入4G时代2011-5-11
<DIV><P style="TEXT-INDENT: 118.75pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 8.45" class=MsoNormal><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 14pt" lang=EN-US><FONT face="Times New Roman">3G</FONT></SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 14pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">无线图传设备进入</SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 14pt" lang=EN-US><FONT face="Times New Roman">4G</FONT></SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 14pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">时代</SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 14pt" lang=EN-US></SPAN></B></P>
<P style="TEXT-INDENT: 153.9pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 10.95" class=MsoNormal><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 14pt" lang=EN-US><a href="http://www.hanhsx.com/" target="_blank"><FONT color=#800080 face="Times New Roman">www.hanhsx.com</FONT></A></SPAN></B></P>
<P style="TEXT-INDENT: 26.25pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 2.5" class=MsoNormal><SPAN lang=EN-US><FONT face="Times New Roman">TD-LTE</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">技术是我国拥有自主知识产权的第四代移动通信</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">(4G)</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">技术，是中国</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">3G</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">标准</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">TD</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">—</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">SCDMA</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的后续演进技术，已于</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">2010</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">年</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">10</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">月被国际电信联盟最终确定为</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">4G</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">技术。</SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"> 作为全球新一代宽带移动通信技术，</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">TD-LTE</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的最大技术优势就是其强大的兼容性能力，它可以同时支持在</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">TD-WCDMA</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">CDMA2000</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">等不同网络中自由地漫游或切换，用户只需要购买一部手机，就可以在不同的运营商之间自由转换。这种融合将让中国乃至全球的通信产业都发生颠覆性变革。</SPAN></P>
<P style="TEXT-INDENT: 21pt; MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">此外，</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">TD-LTE</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">还可以让消费者享受到更快的无线上网速度、价格更便宜的手机终端和手机上网资费。据了解，中国移动展示的</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">TD-LTE</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">测试网速率是</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">3G</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">10</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">～</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">20</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">倍。专家预计，第四代移动通信系统可以达到</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">10Mbps~20Mbps</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">，甚至最高可以达到</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">100Mbps</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">。中国移动董事长王建宙曾举例来说明：“</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">3G</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">时代支持用户之间点对点的可视通话，但演进到</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">TD-LTE</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">时代之后，用户可以在飞驰的汽车上开高清视频会议。”</SPAN></P>
<P style="LINE-HEIGHT: 180%"><SPAN style="LINE-HEIGHT: 180%; FONT-SIZE: 10.5pt"><FONT face=宋体>随着<SPAN lang=EN-US>4G</SPAN>技术的推出，北京汉华世讯科技发展有限公司在<SPAN lang=EN-US>3G</SPAN>无线图传设备的基础上，花费大量精力对<SPAN lang=EN-US>4G</SPAN>通信技术开发运用，配合<SPAN lang=EN-US>4G TD-LTE</SPAN>技术的优越性，推出全新的<SPAN lang=EN-US>4GTD-LTE </SPAN>无线图像传输设备，全新的<SPAN lang=EN-US>4G</SPAN>无线监控设备可广泛应用于范围广、分布散的安全监控、交通监控、工业监控、家庭监控等众多领域，如<SPAN lang=EN-US>:ATM</SPAN>、银行柜员、超市、工厂的无线监控，看护所、幼儿园、学校的远程无线监控服务，电力电站、电信基站的无人值守系统<SPAN lang=EN-US>,</SPAN>，石油、钻井、勘探等无线监控系统，智能化大厦、智能小区无线监控系统，流水线无线监控系统，仓库无线监控系统，森林、水源、河流资源的远程无线监控，户外设备无线监理，桥梁、隧道、路**通状况无线监控。<SPAN lang=EN-US></SPAN></FONT></SPAN></P>
<P style="TEXT-INDENT: 21pt; MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN lang=EN-US><FONT face="Times New Roman"> </FONT></SPAN></P></DIV>
页:
[1]