【正文】 .........................................................................................................1 可行性研究報告編制依據(jù) .............................................................................................................2 可行性研究報告的范圍 .................................................................................................................2 工程擬建規(guī)模 .................................................................................................................................2 擬建項目組成 .................................................................................................................................32 試驗網提供的基本業(yè)務和具備的功能 ...............................................................................................3 網絡提供的業(yè)務 .............................................................................................................................3 網絡提供的功能 .............................................................................................................................43 工程建設方案 .......................................................................................................................................4 城市及通信網概況 .........................................................................................................................4 城市概況 ...............................................................................................................................4 現(xiàn)有通信網概況 ...................................................................................................................6 GSM 網現(xiàn)狀 ...................................................................................................................................6 GPRS 網現(xiàn)狀 ..................................................................................................................................7 無線網現(xiàn)狀 ....................................................................................................................................8 承載網現(xiàn)狀 ....................................................................................................................................9 核心網建設方案 ...........................................................................................................................11 核心網網絡架構 .................................................................................................................11 核心網容量需求 .................................................................................................................12 核心網絡節(jié)點設置方案 .....................................................................................................12 建設原則 ......................................................................................................................................12 核心網絡電路域節(jié)點設置方案 ..................................................................................................12 核心網絡分組域節(jié)點設置方案 ..................................................................................................15 核心網其他網元建設方案 ..........................................................................................................16 核心網網絡組織 .................................................................................................................17 網絡組織原則 ..............................................................................................................................17 電路域網絡組織 ..........................................................................................................................17 分組域網絡組織 ..........................................................................................................................21 核心網接入 IP 承載網的方式 ....................................................................................................22 編號計劃 .............................................................................................................................23 設備號碼及信令點編碼 .....................................................................................................26 IP 地址 .................................................................................................................................26 IP 地址分配原則 ..........................................................................................................................26 業(yè)務 IP 地址 ................................................................................................................................26 試驗網用戶 IP 地址分配 ............................................................................................................27 計費和網管 IP 地址 ....................................................................................................................28 網絡管理 .............................................................................................................................28 計費 .....................................................................................................................................29 計費要求 ......................................................................................................................................29 中國移動 TDSCDMA 試驗網二期拉薩工程可行性研究報告 CMDI5 話單采集及處理 ..........................................................................................................................29 核心網網元與 BOSS 系統(tǒng)的連接 ..............................................................................................29 同步 ...................................................................................................................................30 時鐘同步 ....................................................................................................................................30 時間同步 ....................................................................................................................................30 無線網建設方案 .........................................................................................