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标题: PHS智能直放站应用简介 [查看完整版帖子] [打印本页]

时间: 2007-3-7 11:03

作者: wlswql 标题: PHS智能直放站应用简介

<p>

HS智能直放站应用简介</p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"><span lang="EN-US"><font face="Times New Roman">

HS</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">是个人便携电话系统（</span><span lang="EN-US"><font face="Times New Roman">

ersonal Handy Phone System</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">）的缩写，是日本发展的一种移动通信系统，采用数码通信技术。由于</span><span lang="EN-US"><font face="Times New Roman">

HS</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">系统基站功率小，覆盖半径小，所以要达到良好的覆盖效果，基站安装的密度相当高，通常是</span><span lang="EN-US"><font face="Times New Roman">200</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">～</span><chmetcnv wst="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="300" unitname="米"><span lang="EN-US"><font face="Times New Roman">300</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">米</span></chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">就建有一个基站，同时又因为</span><span lang="EN-US"><font face="Times New Roman">

HS</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">系统使用的频段在</span><span lang="EN-US"><font face="Times New Roman">1900MHz</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">左右，无线信号的绕射能力相对较差，信号只能通过直射或折射传播。由此产生大量的盲点，如果通过补充基站的方式，不仅浪费了大量的信道资源，还需要大量的财力支撑，且信道利用率低。深圳一通金泰智能直放站专门为解决补盲而设计，延伸了基站的覆盖区域，节省了信道资源和资金，用有限的投资提高了信道利用率，是优化</span><span lang="EN-US"><font face="Times New Roman">PHS</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">网络的最佳选择。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"></span></p>

时间: 2007-3-11 17:04

作者: 独毒

广告贴内容也忒简单了哟

时间: 2007-3-16 10:20

作者: liuchao1105

<p>领导又不会来</p>

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