Method for high-efficient implementation of de-rate matching including HARQ combining for LTE
Embodiments of the invention provide a method of de-rate matching without NULL bits skipping. Date is received without NULLs and inputted into a LLR combining block. The history data without NULLs is buffered. Log-likelihood ratio (LLR) combining is called before de-rate matching. The output of LLR combining is de-interleaved. The reading pointer is offset to forge NULLs. Finally, de-interleaving output without NULLs is sent to a turbo decoder.
Texas Instruments Incorporated
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Wei Weifeng Jiajun
Fan Li Zhang