中国电信第三代数字蜂窝移动通信试验网技术文件
WCDMA 设备接口规范附录 2 :
WCDMA 系统无线接口物理层技术要
求:物理信道和传输信道到物理信道的映
射
中国电信集团公司
2004 年 1 月
附录 2: WCDMA 系统无线接口物理层技术要求:物理信道和传输信道到物理信道的映射
目 录
WCDMA 设备接口规范附录 2 :................................................................................1
WCDMA 系统无线接口物理层技术要求:物理信道和传输信道到物理信道的映
射....................................................................................................................................1
1 范围.............................................................................................................................0
2 引用标准.....................................................................................................................0
3 名语和缩略语.............................................................................................................1
4 提供给高层的业务.....................................................................................................2
4.1 传输信道...............................................................................................................2
4.1.1 专用传输信道.......................................................................................2
4.1.2 公共传输信道.......................................................................................3
4.2 指示符...................................................................................................................4
5 物理信道和物理信号.................................................................................................4
5.1 物理信号...............................................................................................................5
5.2 上行物理信道.......................................................................................................5
5.2.1 专用上行物理信道...............................................................................5
5.2.2 公共上行物理信道.............................................................................10
5.3 下行物理信道.....................................................................................................15
5.3.1 下行发射分集.....................................................................................15
5.3.2 专用下行物理信道.............................................................................17
5.3.3 公共下行物理信道.............................................................................27
6 物理信道的映射和关联...........................................................................................46
6.1 传输信道到物理信道的映射.............................................................................46
6.2 物理信道和物理信号的关联.............................................................................47
7 物理信道之间的时序关系.......................................................................................48
7.1 概述.....................................................................................................................48
7.2 PICH/S-CCPCH 定时关系.................................................................................49
7.3 PRACH/AICH 定时关系....................................................................................50
7.4 PCPCH/AICH 定时关系....................................................................................51
7.5 DPCH/PDSCH 定时关系...................................................................................52
7.6 DPCCH/DPDCH 定时关系................................................................................53
7.6.1 上行链路.............................................................................................53
7.6.2 下行链路.............................................................................................53
7.6.3 在 UE 的上行/下行定时.....................................................................53
1 范围
本通信标准参考性技术文件介绍了 WCDMA 系统的物理信道的特性和传输
信道到物理信道的映射。它基于 3GPP 制订的 Release-99 技术规范,具体对
应于 TS 25.211。
2 引用标准
下列文件所包含的条文,通过在本文件中引用而成为本文件的条文。本文
件出版时,所示版本均为有效。所有标准都会被修订,使用本文件的各方应探
讨使用下列标准最新版本的可能性。
[1] 3GTS25.201: "Physical layer - general description".
[2] 3GTS25.211: "Physical channels and mapping of transport channels onto
physical channels (FDD)".
[3] 3GTS25.212: "Multiplexing and channel coding (FDD)".
[4] 3GTS25.213: "Spreading and modulation (FDD)".
[5] 3GTS25.214: "Physical layer procedures (FDD)".
[6] 3G TS25.215: "Physical layer - Measurements (FDD)".
[7] 3GTS25.301: "Radio Interface Protocol Architecture".
[8] 3GTS25.302: "Services Provided by the Physical Layer".
[9] 3GTS25.401: "UTRAN Overall Description".
[10]3GTS25.133: "Requirements for Support of Radio Resource Management
(FDD)".
[11] 3GTS25.427: "UTRAN Overall Description :UTRA Iub/Iur Interface User Plane
Protocol for DCH data streams".
保密
0
3 名语和缩略语
AI Acquisition Indicator 捕获指示
AICH Acquisition Indicator Channel 捕获指示信道
AP Access Preamble 接入前缀
AP-AICH Access Preamble Acquisition Indicator Channel 接入前缀捕获指示信道
API Access Preamble Indicator 接入前缀指示
BCH Broadcast Channel 广播信道
CA Channel Assignment 信道指派
CAI Channel Assignment Indicator 信道指派指示
CCC CPCH Control Command CPCH 控制命令
CCPCH Common Control Physical Channel 公共控制物理信道
CCTrCH Coded Composite Transport Channel 码组合传输信道
CD Collision Detection 冲突检测
CD/CA-ICHCollision Detection/Channel Assignment Indicator Channel 冲突检测/信道指派
指示信道
CDI Collision Detection Indicator 冲突检测指示
CPCH Common Packet Channel 公共分组信道
CPICH Common Pilot Channel 公共导频信道
CSICH CPCH Status Indicator Channel CPCH 状态指示信道
DCH Dedicated Channel 专用信道
DPCCH Dedicated Physical Control Channel 专用物理控制信道
DPCH Dedicated Physical Channel 专用物理信道
DPDCH Dedicated Physical Data Channel 专用物理数据信道
DSCH Downlink Shared Channel 下行共享信道
DSMA-CD Digital Sense Multiple Access - Collison Detection 数字监听多址接入-冲突检
测
DTX Discontinuous Transmission 不连续发射
FACH Forward Access Channel 前向接入信道
FBI Feedback Information 反馈信息
FSW Frame Synchronization Word 帧同步字
ICH Indicator Channel 指示信道
MUI Mobile User Identifier 移动用户识别符
PCH Paging Channel 寻呼信道
P-CCPCH Primary Common Control Physical Channel 基本公共控制物理信道
PCPCH Physical Common Packet Channel 物理公共分组信道
PDSCH Physical Downlink Shared Channel 物理下行共享信道
PICH Page Indicator Channel 寻呼指示信道
PRACH Physical Random Access Channel 物理随机接入信道
PSC Primary Synchronisation Code 主同步码
保密
1