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注册:2005-11-21
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发表于 2008-3-26 16:26:00 |只看该作者 |倒序浏览
<p class="MsoNormal" align="left" style="BACKGROUND: white; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 18pt; TEXT-ALIGN: left; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-pagination: widow-orphan;"><b><span lang="EN-US" style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">1</span></b><b><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;"> 基站控制器BSC与MSC之间的中继端口配置</span></b><b><span lang="EN-US" style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><br/></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;">  计算BSC至MSC方向中继端口数,首先需掌握BSC总的话务量,以BSC总的话务量E除以每条话路所能承受的话务量e(</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">0.7</span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;">Erl),得到BSC所需的话路数,再除以</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">30</span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;">,即为</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">2</span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;">Mb</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">/</span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;">s电路端口数P</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><br/></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;">  </span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">
                        </span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;">P=E</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">/</span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;">(</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">0.7×30</span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;">)</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><br/></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;">  BSC的话务E=该BSC能够处理的最大用户数乘以每个用户的平均话务量,此话务量是该BSC能够处理的最大话务量。在BSC开通的初期,所连接的基站不多,实际话务量可能远小于BSC能处理的最大话务量,为合理利用中继电路,避免浪费,这时BSC的话务量可取目前所连接基站的无线容量的总和,而每个基站的无线容量可根据每个站的载频数、服务等级去查Erl表得到。</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">
                                <p></p></span></b></p><p class="MsoNormal" align="left" style="BACKGROUND: white; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 18pt; TEXT-ALIGN: left; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-pagination: widow-orphan;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><br/><span style="mso-bidi-font-weight: bold;">2</span></span></b><b><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;"> MSC至其他交换机的中继端口配置</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><br/></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;">  首先,应根据部颁规定及实际的话务数据统计建立起有关的话务模型。组成话务模型的基础话务数据有:移动用户忙时平均话务量、移动用户呼叫固定用户的比例、固定用户呼叫移动用户的比例、移动用户呼叫移动用户的比例、本地呼叫与长途呼叫的比例、平均呼叫时长、中继电路呼损等。</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><br/></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;">  现以某MSC到固定网市话局之间的中继端口为例予以说明:</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><br/></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;">  MSC服务的用户数 </span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"> 150000<br/></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;">  移动用户忙时平均话务量  </span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"> 0.025</span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;">Erl</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">/</span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;">户</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><br/></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;">  移动用户呼叫固定用户的比例</span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">
                        </span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;"> </span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"> 50</span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;">%</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><br/></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;">  固定用户呼叫移动用户的比例 </span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"> 40</span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;">%</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><br/></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;">  移动用户呼叫移动用户的比例 </span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"> 10</span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;">%</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><br/></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;">  本地呼叫与长途呼叫的比例</span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">
                        </span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;">  </span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"> 80</span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;">%:</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">20</span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;">%</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><br/></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;">  至市话交换机中继电路呼损 </span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">
                        </span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;"> </span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"> 1</span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;">%</span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">
                        </span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;">则MSC的总话务量=</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">15000×0.025</span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;">=</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">3750</span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;">Erl</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><br/></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;">  至市话交换机的话务量(含呼损)</span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">
                        </span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;">=</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">3750×50</span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;">%</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">×80</span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;">%=</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">1500</span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;">Erl</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><br/></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;">  至市话交换机的话务量(去除呼损)=</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">1500×</span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;">(</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">100</span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;">%-</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">1</span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;">%)=</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">1485</span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;">Erl</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><br/></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;">  至市话交换机的中继端口数=</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">1485/</span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;">(</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">0.7×30</span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;">)</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">≈71 </span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Georgia; mso-hansi-font-family: Georgia;">MSC至其他交换机的中继电路的端口数量的计算方法与此类似,计算的关键在于准确统计出到各方向的话务量占本交换机总话务量的比例。</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">
                                <p></p></span></b></p><p class="MsoNormal" align="left" style="BACKGROUND: white; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 18pt; TEXT-ALIGN: left; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-pagination: widow-orphan;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-FAMILY: Georgia; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><br/></span></b></p>

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