哪本协议描述了每一种DCI format 的每一个bit的意义啊。
就像下面的描述这样：

information type



bit number



description



Resource allocation header




1




Indicates whether resource allocation type 0 or 1 is used




Resource block assignment




N




Indicates resource blocks to be assigned to the UE




Modulation and coding scheme




5




Indicates modulation scheme and, together with the number of allocated physical resource blocks, the transport block size




HARQ process number




4 (FDD),



3 (TDD)




Identifies the HARQ process the packet is associated with




New data indicator




1




Indicates whether the packet is a new transmission or a retransmission




Redundancy version




2




Identifies the redundancy version used for coding the packet




TPC command for PUCCH




2




Transmit power control (TPC) command for adapting the transmit power on the PUCCH




Downlink assignment index (TDD only)




2



Number of downlink subframes for uplink ACK/NACK bundiling