美利体育登录入口官网:ETSI TR 125 929-2017
通用移动通信系统(UMTS);数据包用户的连续连通性;1.28 Mcps时分双工(V14.0.0;3GPP TR 25.929 版本14.0.0 发行版本14)
Universal Mobile Telecommunications System (UMTS); Continuous connectivity for packet data users; 1.28 Mcps TDD (V14.0.0; 3GPP TR 25.929 version 14.0.0 Release 14)
2018-07
- 标准号
- ETSI TR 125 929-2017
- 发布
- 2017年
- 总页数
- 16页
- 发布单位
- 欧洲电信标准协会
- 替代标准
- ETSI TR 125 929-2018
- 当前最新
- ETSI TR 125 929-2024
- 引用标准
- 3GPP TR 21.905 3GPP TS 25.221 3GPP TS 25.222 3GPP TS 25.223 3GPP TS 25.224 3GPP TS 25.225 3GPP TS 25.306 3GPP TS 25.308 3GPP TS 25.321 3GPP TS 25.331 3GPP TS 25.433
- 被代替标准
- ETSI TR 125 929-2016
- 本体
- 连续连接
- 适用范围
- The present document summarizes the work done under the WI "Continuous Connectivity for Packet Data Users for 1.28Mcps TDD" defined in [1] by listing technical concepts addressing the objectives of the work item (see below), analysing these technical concepts and selecting the best solution (which might be a combination of technical concepts). The objective of this work item is to reduce the code consumption (e.g. overhead of physical control channels or related signaling messages) of packet data users for both real-time (e.g. VoIP) and non real-time services, e.g. for users which have temporarily no data transmission in either uplink or downlink. Packet data users as considered in this work item are using only HS-DSCH/E-DCH channels without UL DPCH and DL DPCH. The aim is to increase the number of packet data users in the UMTS 1.28Mcps TDD system that can be kept efficiently in CELL_DCH state over a longer time period and that can restart transmission after a period of temporary inactivity with a much shorter delay (for example, <100ms) than would be necessary for reestablishment of a new connection. Another aim is to reduce UE power consumption in CELL_DCH state over a long period by DTX and DRX. The present document provides the base for the following preparation of change requests to the corresponding RAN specifications.
| 术语 | 描述 |
|---|---|
| Acknowledgement ACK | 确认 |
| Channel Quality Indicator CQI | 信道质量指示器 |
| Cyclic Redundancy Check CRC | 循环冗余校验 |
| Dedicated Channel DCH | 专用信道 |
| Downlink DL | 下行链路 |
| Dedicated Physical Channel DPCH | 专用物理信道 |
| Discontinuous Transmission DTX | 不连续传输 |
| Enhanced Dedicated Channel E-DCH | 增强型专用信道 |
| E-DCH Absolute Grant Channel E-AGCH | E-DCH绝对授权信道 |
| E-DCH HARQ Acknowledgement Indicator Channel E-HICH | E-DCH HARQ确认指示信道 |
| High Speed Downlink Packet Access HSDPA | 高速下行分组接入 |
| High Speed Downlink Shared Channel HS-DSCH | 高速下行共享信道 |
| High Speed Physical Downlink Shared Channel HS-PDSCH | 高速物理下行共享信道 |
| High Speed Physical Downlink Shared Control Channel HS-SCCH | 高速物理下行共享控制信道 |
| Negative Acknowledgement NACK | 否定确认 |
| Primary Common Control Physical Channel P-CCPCH | 主公共控制物理信道 |
| Radio Link RL | 无线链路 |
| Secondary Common Control Physical Channel S-CCPCH | 辅公共控制物理信道 |
| Signal-to-Interference Ratio SIR | 信干比 |
| Transmit Power Control TPC | 发射功率控制 |
| Transmission Time Interval TTI | 传输时间间隔 |
| User Equipment UE | 用户美利体育官网首页网址 |
| Uplink UL | 上行链路 |
| UMTS Terrestrial Radio Access Network UTRAN | UMTS地面无线接入网 |
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