【資料成文時間】：2007/12
【語言】：中文
【頁數(shù)】：75
【何人（公司）所著】：中興
【文件格式】：PDF
【文件原名】：
【摘要或目錄】：
1 1xEV-DO系統(tǒng)概述 ............................................ 1-1
1.1 1xEV-DO發(fā)展概況................................................................................1-1
1.1.1 1xEV-DO商用進展.......................................................................1-1
1.1.2 1xEV-DO產(chǎn)業(yè)鏈概況...................................................................1-2
1.2 1xEV-DO設(shè)計思想................................................................................1-3
1.3 1xEV-DO與IS-95/1X網(wǎng)絡(luò)的兼容性.......................................................1-4
2 1xEV-DO Release 0系統(tǒng)原理和實現(xiàn) ............................. 2-1
2.1 1xEV-DO Release 0網(wǎng)絡(luò)參考模型...........................................................2-1
2.1.1 1xEV-DO網(wǎng)絡(luò)的邏輯實體............................................................2-2
2.1.2 1xEV-DO網(wǎng)絡(luò)的協(xié)議接口............................................................2-4
2.2 1xEV-DO Release 0空中接口協(xié)議模型....................................................2-8
2.3 1xEV-DO Release 0前向信道................................................................2-11
2.3.1 前向信道結(jié)構(gòu).............................................................................2-11
2.3.2 前向信道時隙結(jié)構(gòu)......................................................................2-11
2.3.3 前向信道標(biāo)識.............................................................................2-12
2.3.4 前向信道物理結(jié)構(gòu)......................................................................2-13
2.3.5 前向業(yè)務(wù)/控制信道的參數(shù)配置和時隙復(fù)用.................................2-17
2.4 1xEV-DO Release 0反向信道................................................................2-20
2.4.1 反向信道結(jié)構(gòu).............................................................................2-20
2.4.2 接入信道結(jié)構(gòu)及發(fā)送方式............................................................2-21
2.4.3 反向業(yè)務(wù)信道結(jié)構(gòu)......................................................................2-22
2.4.4 反向信道參數(shù)配置......................................................................2-28
2.4.5 長碼生成與同步..........................................................................2-28
2.5 1xEV-DO Release 0空中接口關(guān)鍵技術(shù)..................................................2-29
2.5.1 前向時分復(fù)用.............................................................................2-29
2.5.2 前向自適應(yīng)調(diào)制和編碼技術(shù)........................................................2-30
2.5.3 前向HARQ.......................................................................................2-30
2.5.4 前向鏈路調(diào)度算法......................................................................2-32
2.5.5 前向快速扇區(qū)選擇和切換............................................................2-33
2.5.6 速率控制....................................................................................2-35
2.5.7 功率控制....................................................................................2-37
x EV-DO 組網(wǎng)與混合終端選網(wǎng)...........................................................2-39
2.6.1 組網(wǎng)方式....................................................................................2-39
2.6.2 混合終端開機選網(wǎng)......................................................................2-40
2.6.3 兩網(wǎng)切換....................................................................................2-42
DO Rev.A系統(tǒng)原理和實現(xiàn)................................. 3-1
xEV-DO Release 0功能限制..................................................................3-1
x EV-DO Rev.A技術(shù)改進.....................................................................3-2
xEV-DO Rev.A空中接口協(xié)議模型........................................................3-3
3.3.1 應(yīng)用層新增功能............................................................................3-4
3.3.2 流層新增功能...............................................................................3-5
3.3.3 會話層新增功能............................................................................3-5
3.3.4 連接層新增功能............................................................................3-5
3.3.5 安全層新增功能............................................................................3-6
3.3.6 MAC層新增功能...........................................................................3-6
3.3.7 物理層新增功能............................................................................3-7
3.4 1xEV-DO Rev.A前向信道......................................................................3-8
3.5 1xEV-DO Rev.A反向信道....................................................................3-10
3.6 1xEV-DO Rev.A關(guān)鍵技術(shù)....................................................................3-12
3.6.1 反向鏈路HARQ技術(shù) ..................................................................3-12
3.6.2 無縫虛擬軟切換技術(shù)...................................................................3-14
3.6.3 QoS技術(shù).....................................................................................3-16
3.6.4 反向速率控制和資源控制............................................................3-16
3.7 1xEV-DO Rev.A特色業(yè)務(wù)....................................................................3-17
3.7.1 BCMCS.............................................................................................3-17
3.7.2 VT.....................................................................................................3-18
3.7.3 VoIP..................................................................................................3-19