问答题X 纠错
1)TDD帧结构:有specialsubframe;
2)preambleformat4只用于TDD中的UpPTS;
3)同步信号位置不同
For FDD,the PSCH shall be mapped to thel ast OFDM symbol in slots 0 and 10;the SSCH shall be mappedto the last second OFDM symbol in slots 0 and 10.
For TDD,the PSCH shall be mapped to the third OFDM symbol in subframes 1 and 6;the SSCH shall be mapped to the last OFDM symbol in slots 1 and 11.
4)HARQ反馈定时不同:包括PUSCH与PHICH之间时延,PDSCH与PUCCH之间时延;
5)HARQ的进程数不同。
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