【資料成文時間】：2007/11
【語言】：中文
【頁數(shù)】：46
【何人（公司）所著】：中興
【文件格式】：PDF
【文件原名】：
【摘要或目錄】：
1 信道調(diào)制簡介 ............................................... 1-1
1.1 信道調(diào)制和編碼過程..............................................................................1-1
1.1.1 卷積編碼......................................................................................1-2
1.1.2 Turbo編碼 ....................................................................................1-2
1.1.3 塊交織..........................................................................................1-6
1.1.4 擾碼.............................................................................................1-7
1.1.5 擴頻.............................................................................................1-8
1.1.6 調(diào)制.............................................................................................1-8
2 IS-95 及1x信道 ............................................. 2-1
2.1 IS-95信道..............................................................................................2-1
2.1.1 前向信道......................................................................................2-2
2.1.2 反向信道......................................................................................2-9
2.2 移動臺狀態(tài)變遷流程............................................................................2-16
2.3 cdma2000 1x的新特性 ...........................................................................2-18
2.4 cdma2000 1x信道 ..................................................................................2-19
3 商用系統(tǒng)里使用的cdma2000新增信道............................ 3-1
3.1 快速尋呼信道 ........................................................................................3-1
3.2 前向補充信道 ........................................................................................3-1
3.3 反向?qū)ьl信道 ........................................................................................3-2
3.4 反向補充信道 ........................................................................................3-3