1xev do基本知識(shí)

1、一，什么是一，什么是EV_DO？................................................................................................................1二，二，EV_DO的峰值速率是多少？的峰值速率是多少？................................................................

2、..............................1三，三，EV_DO單獨(dú)組網(wǎng)和混合組網(wǎng)的網(wǎng)絡(luò)結(jié)構(gòu)是怎樣的？單獨(dú)組網(wǎng)和混合組網(wǎng)的網(wǎng)絡(luò)結(jié)構(gòu)是怎樣的？..........................................................1四，四，EV_DO的信道結(jié)構(gòu)是怎樣的？的信道結(jié)構(gòu)是怎樣的？......................................................

3、.....................................2五，五，EV_DO無線接入系統(tǒng)與核心無線接入系統(tǒng)與核心IP網(wǎng)是怎樣連接的？網(wǎng)是怎樣連接的？............................................................3六，什么是簡單六，什么是簡單IP和移動(dòng)和移動(dòng)IP，各自有什么特點(diǎn)？各自有什么特點(diǎn)？...................................

4、..................................3七，七，VIRTUALSOFTHOFF（虛擬軟切換）（虛擬軟切換）......................................................................6八，幾個(gè)常用命令：八，幾個(gè)常用命令：...............................................................

5、...................................................8附錄：附錄：......................................................................................................................................10一，什么是一，什么是EV_DO？1xEVDOisaC

6、DMAprotocoldefinedtoprovidehighratepacketdata(cdma20001xEvolutionDataOnly)二，二，EV_DO的峰值速率是多少？的峰值速率是多少？?The1xEVDOaccesssystemcanofferhighdataratesofupto2.4Mbpsonthefwardlinkupto153.6Kbpsonthereverselinkfptabledevicesusinga

7、newairinterfacewithouttheneedofahigherbwidth5Mhzcarrier.Thepeakdataratesf1xEVDOare:FwardLink(Downlink)=2457.6KbpsReverseLink(Uplink)=153.6Kbps.?1xEVDOhasnovoicecapability?Dedicates1.25MHzChannelRadioAccesswk(RAN)Sole