DMRS Reception Mechanism for Reliable 5G NR Polar-Coded Control

The patent segments the DCI payload and PBCH information blocks into multiple code blocks for parallel polar encoding. Each code block is independently encoded with the same number of recursions, which distributes the decoding complexity across multiple smaller blocks rather than one large block, thereby reducing overall decoding complexity while maintaining reliability.

The patent performs preliminary actions by attaching CRC bits to each code block before encoding, and by pre-determining the segmentation strategy based on the total payload size and code block size. This preliminary preparation optimizes the encoding process and enables efficient decoding by establishing proper synchronization and error detection mechanisms in advance.

By segmenting the payload into multiple smaller code blocks, the patent enables parallel processing of encoding and decoding operations. Although each code block uses the same number of recursions for reliable decoding, the parallel execution reduces overall processing time compared to sequentially processing one large code block with the same total recursion depth.

The patent dynamically adjusts the number of code blocks and the size of each code block based on the total payload size and channel conditions. This parameter optimization ensures that the system achieves the required reliability through appropriate recursion depth while minimizing transmission time and processing delay by finding the optimal balance between code block size and recursion number.