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type="text/css"></style> <div id="ct" class="ct2 wp cl"> <div class="mn"> <div class="bm_haa cl"> <div class="bm_h cl"> <a href="http://www.oecr.com/portal.php?mod=rss&catid=57" class="y xi2 rss" target="_blank" title="RSS">订阅</a><h1 class="xs2">文章</h1> </div></div> <div class="kjkjb"> <div class="bm vw" style="margin-bottom:0;"> <div class="h hm"> <div class="zxtoux"><img src="http://www.oecr.com/uc_server/avatar.php?uid=54876&size=small" /></div> <h1 class="ph">在飞机上j即将可以享受移动通讯服务 </h1> <p class="xg1"> 时间：2012-7-27 11:09<a class="zz" href="home.php?mod=space&uid=54876">作者：update</a> 阅读<em id="_viewnum">(2278)</em> 评论: 0</p> <div class="zxfb" ><a href="http://www.oecr.com/portal.php?mod=rss&catid=57" class="y xi2 rss" target="_blank" title="RSS">订阅</a></div> </div> <!--[diy=diysummarytop]--><div id="diysummarytop" class="area"></div><!--[/diy]--> <div class="s"> <div class="ss"><div><span>导读： </span>在我国，飞机飞行时是不允许乘客开手机的，即使设置在飞行模式也不行。当然也就不可能用手机打电话或上网了。这种不便的情况有望在不久后得到改变。</div> </div> <!--[diy=diysummarybottom]--><div id="diysummarybottom" class="area"></div><!--[/diy]--> <div class="d"> <!--[diy=diycontenttop]--><div id="diycontenttop" class="area"></div><!--[/diy]--> <table cellpadding="0" cellspacing="0" class="vwtb"><tr><td id="article_content"><P>在我国，飞机飞行时是不允许乘客开手机的，即使设置在飞行模式也不行。当然也就不可能用手机打电话或上网了。这种不便的情况有望在不久后得到改变。<BR> <BR>欧盟委员会现已同意在整个欧洲的领空，乘客都可以在飞机上用手机通话、发送短信或<a href="http://electronic.oecr.com" target="_blank" class="relatedlink">电子</a>邮件。在飞机的飞行高度达到一万英尺后，飞机上的乘客即可使用他们的手机和其他的电子装置。欧盟委员会表示将对空中移动服务的定价进行监控，让服务价格可被接受，同时督促航空公司制定出在飞行中使用手机的规则。<BR> <BR>世界上多个客舱<a href="http://ofc.oecr.com" target="_blank" class="relatedlink">通信</a>网络的主流供应商已开发出数种技术平台，在机舱内设置Pico基站，通过卫星连接地面蜂窝移动通信网络，并且保证机上基站和手机信号不影响飞行安全。这些平台包括空中客车、国际航空电信集团合资的OnAir和美国本土的Aircell和Row44。在国外，汉莎、达美等国外航企巨头已经在部分航班上实现了接入互联网服务。目前美国已有1260多架飞机可以空中上网，约占全美干线飞机的三分之一。旅客可在飞机上查收邮件和即时信息，进入<a href="http://b.oecr.com/company" target="_blank" class="relatedlink">企业</a>的VPN等。 </P> <P><A href="http://www.oecr.com/data/attachment/portal/201207/27/1108220v0hdbkwtaqf8lwn.jpg" target=_blank><IMG src="http://www.oecr.com/data/attachment/portal/201207/27/1108220v0hdbkwtaqf8lwn.jpg"></A></P> <P>我国也在开展这方面工作，此前在机上局域网方面已取得了一定进展。2011年3月，海航与中国电信签订合作协议，尝试客舱内无线局域网服务。东航也在一架A330-300宽体客机的头等舱中开通了无线局域网蜂窝。 从11月15日至12月31日，国航首架搭载了机上无线局域网的波音737-800客机在北京至成都航线上试运营。用户可以通过笔记本电脑连接机上娱乐系统。但这种无线局域网不能连接地面的固定和移动通信网络，也不能连接公共互联网。国航还明确规定，为了飞行安全，飞行中仍需全程关闭手机。尽管目前市面上大多数智能手机已带有WiFi功能，但任何手机不可在提供无线局域网服务的航班上使用，即便取下了手机卡也不可以。<BR> <BR>2011年11月14日，工业和信息化部科技司组织召开了“我国开展民用航空机载公众移动通信业务可行性及其监管问题的研究”项目结题评审会，该项目由工信部电信研究院承担，历时两年，内容涉及：国内外现状、政策监管、机舱内技术实现方案、连接地面通信网络中继技术实现方案、机舱内电磁兼容、运营管理模式等。会议讨论认为，解决在飞机上上网、收发短信、打电话的问题，是广大消费者的热切希望。根据国际发展的情况和国内研究的情况，技术条件基本成熟，关键问题明确。专家组建议形成合理运营模式。本次会议标志着我国在飞机上推动实现公众移动通信计划正式启动。<BR> <BR>目前，重大科技专项新一代宽带无线通信系统已在2013年课题中安排了支持相关系统研发的项目。我国的系统与国外已有系统不同，不是采用卫星系统中继连接地面。而是采用工作在UHF频段的专门TD-LTE蜂窝移动系统提供飞机与地面的连接。由于工作在UHF频段，每个基站的覆盖半径近百公里，用几百个基站就可以覆盖全国。该系统的容量及成本均低于卫星方案，但只能在我国领土内提供服务。在机舱内安装三种制式的Pico基站，三个运营商的用户就都可以在机上用手机与地面通话或上网了。<BR> <BR>在飞机上用手机、<a href="http://display.oecr.com" target="_blank" class="relatedlink">平板</a>电脑以及电脑来通话和上网不久将成为现实，上飞机关手机的时代将一去不复返。机上移动通信服务在为用户带来便利的同时，也会为设备制造厂商和移动运营商和航空公司开辟新的市场，带来巨大商机。</P> <DIV><FONT color="#808080" size=2><IMG src="http://www.oecr.com/xwb/images/bgimg/icon_logo.png"> 已同步至 <a href="http://ome.ac.cn/index.php?m=show&id=3472363603704924" target="_blank">update的微博</A></FONT></DIV></td></tr></table> <!--[diy=diycontentbottom]--><div id="diycontentbottom" class="area"></div><!--[/diy]--> <script src="data/cache/home.js?eOg" type="text/javascript"></script> <div id="click_div"><table cellpadding="0" cellspacing="0" class="atd"> <tr><td> <a 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