上传者: ccjjhh
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上传时间: 2021-07-21 10:17:15
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文件大小: 5.19MB
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文件类型: DOC
Contents
1 简介(Overview) 4
1.1 物理信道 4
1.2 物理信号 4
2 时隙结构和物理资源粒子(Slot structure and physical resource elements) 5
2.1 资源栅格(Resource grid) 5
2.2 资源粒子(Resource element) 7
2.3 资源块(Resource blocks) 7
2.4 资源粒子组(Resource-element groups) 9
3 下行物理信道处理(Downlink physical channel processing) 11
4 下行物理信道(Downlink physical channels) 14
4.1 物理下行共享信道(Physical downlink shared channel) 14
4.2 物理多播信道(Physical multicast channel) 14
4.3 物理广播信道(Physical broadcast channel) 14
4.4 物理控制格式指示信道(Physical control format indicator channel) 15
4.5 物理下行控制信道(Physical downlink control channel) 15
4.6 物理混合ARQ指示信道(Physical hybrid ARQ indicator channel) 16
5 参考信号(Reference signals) 18
5.1 小区专用参考信号(Cell-specific reference signals, CRS) 18
5.2 多播单频网参考信号(MBSFN reference signals,MBSFN-RS) 19
5.3 UE专用参考信号(UE-specific reference signals,UE-RS) 20
5.4 定位参考信号(Positioning reference signals,PRS) 22
5.5 信道状态信息参考信号(CSI reference signals,CSI-RS) 23
6 同步信号(Synchronization signals) 24
6.1 主同步信号(Primary synchronization signals, PSS) 24
6.2 第二同步信号(Secondary synchronization signals, PSS) 24