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本文件描述了UTRA TDD模式的物理层过程。
| 术语 | |
|---|---|
| ACK | Acknowledgement |
| BCCH | Broadcast Control Channel |
| CDMA | Code Division Multiple Access |
| CQI | Channel Quality Information |
| CRC | Cyclic Redundancy Check |
| DPCH | Dedicated Physical Channel |
| DTX | Discontinuous Transmission |
| FDD | Frequency Division Duplex |
| HS-DSCH | High Speed Downlink Shared Channel |
| HS-PDSCH | High Speed Physical Downlink Shared Channel |
| HS-SCCH | Shared Control Channel for HS-DSCH |
| HS-SICH | Shared Information Channel for HS-DSCH |
| MAC | Medium Access Control |
| NACK | Negative Acknowledgement |
| P-CCPCH | Primary Common Control Physical Channel |
| PC | Power Control |
| PDSCH | Physical Downlink Shared Channel |
| PRACH | Physical Random Access Channel |
| PUSCH | Physical Uplink Shared Channel |
| RACH | Random Access Channel |
| RL | Radio Link |
| RRC | Radio Resource Control |
| RSCP | Received Signal Code Power |
| RT | Real Time |
| S-CCPCH | Secondary Common Control Physical Channel |
| SCH | Synchronisation Channel |
| SCTD | Space Code Transmit Diversity |
| SFN | System Frame Number |
| SIR | Signal-to-Interference Ratio |
| SSCH | Secondary Synchronisation Channel |
| STD | Selective Transmit Diversity |
| TA | Timing Advance |
| TDD | Time Division Duplex |
| TF | Transport Format |
| TFC | Transport Format Combination |
| TFCI | Transport Format Combination Indicator |
| TFCS | Transport Format Combination Set |
| TPC | Transmit Power Control |
| TSTD | Time Switched Transmit Diversity |
| TTI | Transmission Time Interval |
| TxAA | Transmit Adaptive Antennas |
| UE | User Equipment |
| UL | Uplink |
| UMTS | Universal Mobile Telecommunications System |
| UTRAN | UMTS Radio Access Network |
| VBR | Variable Bit Rate |
| Node B 支持3.84 Mcps或1.28 Mcps TDD模式的基站 | 执行物理层过程的基站美利体育官网首页网址,负责下行功率控制、同步及随机接入响应。 |
| 用户美利体育官网首页网址 支持3.84 Mcps或1.28 Mcps TDD模式的终端 | 执行物理层过程的用户终端美利体育官网首页网址,需支持下行同步、上行功率控制及随机接入等功能。 |
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