宽带移动通信chapter 5 Mobile Communication.pdf

移动通信 Mobile Communications Chapter 5 Mobile Communication Network Technology Contents  5.1 Basic Concept  5.2 Cellular Concept  5.3 Multiple Access Technology  5.4 Traffic analysis  5.5 Operation of Cellular Systems 2 5.1 Basic Concept Peer-To-Peer Communicating With the Communication Base Station 端对端通信 用户同基站通信 3  Radio Access Network 无线接入网 4  Mobile communication network ：  在追求最大容量的同时各个无线区域互连来追求最大区 域的无缝覆盖，促使了移动通信网络的形成  Composition of the mobile communication network  Air network 空中网络  Multiple access technology 多址接入  Frequency reuse and cellular network 频率复用和蜂窝组网  Handoff and location updating切换和位置更新  Land network 地面网络  Connected to different base stations 各基站相互连接  Connected between base station and fixed network 基站与固定网络 （PSTN 、ISDN 、PDN ）的连接 5  Regional coverage of the mobile communication network 移动通信网络的覆盖区域  Large cell with low capacity 小容量的大区制  Small cell with high capacity 大容量的小区制 大区制移动通信网 小区制移动通信网 6  Large Cell 大区制  one base station to cover the entire service area 一个基站覆盖整个服务区  an antenna mounted on a tall tower 天线架设高  high powered transmitter 发射功率大  small capacity communication net