PHS原理與網(wǎng)絡維護

第一章 概述                  
                   
 第二章 無線通信基礎                  
 2.1 多重接收協(xié)議的分類                  
 2.1.1 無競爭的協(xié)議                  
 2.1.2 有競爭的多重接收協(xié)議                  
 2.2 多址技術                  
 2.2.1 時分多址(TDMA)                  
 2.2.2 頻分多址(FDMA)                  
 2.2.3 碼分多址(CDMA)                  
 2.3 頻分雙工與時分雙工(FDD/TDD)                  
 2.3.1 頻分雙工                  
 2.3.2 時分雙工                  
 2.3.3 多址技術與二重化                  
 2.4 位置登錄                  
 2.4.1 開機登錄                  
 2.4.2 位置登錄區(qū)變更時的登錄                  
 2.5 尋呼                  
 2.6 通信信道的切換                  
 2.7 調制和解調                  
 2.8 誤碼校驗                  
 2.8.1 奇偶校驗                  
 2.8.2 和校驗                  
 2.8.3 周期冗余校驗                  
                   
 第三章 PHS系統(tǒng)結構                  
 3.1 呼叫過程                  
 3.2 切換過程                  
 3.3 手機的異地漫游                  
 3.3.1 手機從歸屬的PHS網(wǎng)絡到被訪問的PHS網(wǎng)絡的位置登錄                  
 3.3.2 異地漫游的網(wǎng)絡路徑                  
                   
 第四章 PHS原理                  
 4.1 基站與手機                  
 4.2 TDMA/TDD(Time Division Duplex時分雙工)                  
 4.3 功能信道                  
 4.4 通信協(xié)議                  
 4.4.1 鏈路建立過程                  
 4.4.2 呼叫過程                  
 4.4.3 通信過程                  
 4.5 邏輯控制信道(LCCH)                  
 4.5.1 LCCH周期                  
 4.5.2 LCCH超幀的構成                  
 4.6 手機收信端電源待機                  
 4.7 邏輯信道的構成                  
 4.7.1 上行邏輯信道的構成                  
 4.7.2 下行邏輯控制頻道                  
 4.7.3 上行LCCH送信                  
 4.8 時隙的構成                  
 4.9 發(fā)識別符/收識別符                  
 4.1 連接信道的建立過程                  
 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 無線管理                  
 4.12.2 移動管理                  
 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)幀結構                  
 5.4 ARQ傳送控制過程                  
 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)絡的規(guī)劃與優(yōu)化                  
 6.1 移動通信中的無線傳播環(huán)境                  
 6.2 移動通信中的無線電波的傳播方式                  
 6.3 網(wǎng)絡規(guī)劃                  
 6.4 網(wǎng)絡的性能測試                  
 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)絡優(yōu)化                  
                   
 第七章 PHS無線網(wǎng)絡的維護                  
 7.1 接收功率的穩(wěn)定性                  
 7.2 時隙的分配                  
 7.3 PHS使用頻段的噪音干擾                  
 7.4 基站間的時間同步                  
 7.5 基站的安定性                  
 7.6 不能接通. 掉話和切換失敗                  
                   
 附錄 PHS無線網(wǎng)絡的問題及測試