PHS原理與網(wǎng)絡(luò)維護(hù)

第一章 概述                  
                   
 第二章 無(wú)線通信基礎(chǔ)                  
 2.1 多重接收協(xié)議的分類                  
 2.1.1 無(wú)競(jìng)爭(zhēng)的協(xié)議                  
 2.1.2 有競(jìng)爭(zhēng)的多重接收協(xié)議                  
 2.2 多址技術(shù)                  
 2.2.1 時(shí)分多址(TDMA)                  
 2.2.2 頻分多址(FDMA)                  
 2.2.3 碼分多址(CDMA)                  
 2.3 頻分雙工與時(shí)分雙工(FDD/TDD)                  
 2.3.1 頻分雙工                  
 2.3.2 時(shí)分雙工                  
 2.3.3 多址技術(shù)與二重化                  
 2.4 位置登錄                  
 2.4.1 開機(jī)登錄                  
 2.4.2 位置登錄區(qū)變更時(shí)的登錄                  
 2.5 尋呼                  
 2.6 通信信道的切換                  
 2.7 調(diào)制和解調(diào)                  
 2.8 誤碼校驗(yàn)                  
 2.8.1 奇偶校驗(yàn)                  
 2.8.2 和校驗(yàn)                  
 2.8.3 周期冗余校驗(yàn)                  
                   
 第三章 PHS系統(tǒng)結(jié)構(gòu)                  
 3.1 呼叫過(guò)程                  
 3.2 切換過(guò)程                  
 3.3 手機(jī)的異地漫游                  
 3.3.1 手機(jī)從歸屬的PHS網(wǎng)絡(luò)到被訪問(wèn)的PHS網(wǎng)絡(luò)的位置登錄                  
 3.3.2 異地漫游的網(wǎng)絡(luò)路徑                  
                   
 第四章 PHS原理                  
 4.1 基站與手機(jī)                  
 4.2 TDMA/TDD(Time Division Duplex時(shí)分雙工)                  
 4.3 功能信道                  
 4.4 通信協(xié)議                  
 4.4.1 鏈路建立過(guò)程                  
 4.4.2 呼叫過(guò)程                  
 4.4.3 通信過(guò)程                  
 4.5 邏輯控制信道(LCCH)                  
 4.5.1 LCCH周期                  
 4.5.2 LCCH超幀的構(gòu)成                  
 4.6 手機(jī)收信端電源待機(jī)                  
 4.7 邏輯信道的構(gòu)成                  
 4.7.1 上行邏輯信道的構(gòu)成                  
 4.7.2 下行邏輯控制頻道                  
 4.7.3 上行LCCH送信                  
 4.8 時(shí)隙的構(gòu)成                  
 4.9 發(fā)識(shí)別符/收識(shí)別符                  
 4.1 連接信道的建立過(guò)程                  
 4.11 數(shù)據(jù)鏈接協(xié)議(第二層協(xié)議)                  
 4.12 第三層協(xié)議                  
 4.12.1 無(wú)線管理                  
 4.12.2 移動(dòng)管理                  
 4.12.3 呼叫控制                  
 4.13 控制流程                  
 4.13.1 呼叫控制流程                  
 4.13.2 被叫控制流程                  
 4.13.3 切斷                  
                   
 第五章 數(shù)據(jù)通信                  
 5.1 PIAFS數(shù)據(jù)傳送協(xié)議                  
 5.2 數(shù)據(jù)通信的流程                  
 5.3 數(shù)據(jù)幀結(jié)構(gòu)                  
 5.4 ARQ傳送控制過(guò)程                  
 5.5 選擇數(shù)據(jù)傳送協(xié)議                  
 5.6 高速通信                  
 5.7 PIAFS數(shù)據(jù)通信的流程                  
                   
 第六章 網(wǎng)絡(luò)的規(guī)劃與優(yōu)化                  
 6.1 移動(dòng)通信中的無(wú)線傳播環(huán)境                  
 6.2 移動(dòng)通信中的無(wú)線電波的傳播方式                  
 6.3 網(wǎng)絡(luò)規(guī)劃                  
 6.4 網(wǎng)絡(luò)的性能測(cè)試                  
 6.4.1 位置登錄                  
 6.4.2 主叫和切斷                  
 6.4.3 被叫和切斷                  
 6.4.4 切換                  
 6.5 網(wǎng)絡(luò)優(yōu)化                  
                   
 第七章 PHS無(wú)線網(wǎng)絡(luò)的維護(hù)                  
 7.1 接收功率的穩(wěn)定性                  
 7.2 時(shí)隙的分配                  
 7.3 PHS使用頻段的噪音干擾                  
 7.4 基站間的時(shí)間同步                  
 7.5 基站的安定性                  
 7.6 不能接通. 掉話和切換失敗                  
                   
 附錄 PHS無(wú)線網(wǎng)絡(luò)的問(wèn)題及測(cè)試