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PRIORITY BASED MAPPING OF ENCODED BITS TO SYMBOLS

机译:基于优先级的编码位到符号的映射

摘要

A new radio (NR) bit prioritization procedure that may be executed by a UE and a base station is disclosed, resulting in transmission and reception of modulation symbols having prioritized bits. For example, a transmitter may encode a code block using low-density parity-check code to generate a stream of encoded bits. The transmitter may arrange the encoded bits in one or more modulation symbols according to a relative priority of the encoded bits. The highest priority bits may be located in the most significant bits of the modulation symbol, and therefore be less likely to experience errors. A receiver may receive the modulation symbols and reorder the encoded bits according to the coding scheme based on the relative priority prior to decoding the encoded bits. The prioritization of the bits within the modulation symbols may provide improved block error rates over sequential mapping of encoded bits to symbols.
机译:公开了可以由UE和基站执行的新的无线电(NR)比特优先级排序过程,导致具有优先比特的调制符号的发送和接收。例如,发射机可以使用低密度奇偶校验码对代码块进行编码以生成编码比特流。发射机可以根据编码比特的相对优先级将编码比特布置在一个或多个调制符号中。最高优先级位可以位于调制符号的最高有效位中,因此不太可能出现错误。接收机可以在解码编码比特之前,基于相对优先级,根据调制方案,接收调制符号并对编码比特重新排序。与编码比特到符号的顺序映射相比,调制符号内的比特的优先级排序可以提供改进的块错误率。

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