Additional Bit Freezing For Polar Coding

A method, comprising:

• performing, by a processor of an apparatus, polar coding to encode a plurality of input subblocks of information bits, frozen bits and optional cyclic redundancy check (CRC) bits to generate a plurality of subblocks of coded bits;
• and
• transmitting, by the processor, at least some of the subblocks of coded bits,
• wherein the performing of the polar coding comprises additionally freezing one of the plurality of input subblocks corresponding to one of the interleaved plurality of subblocks of coded bits which decreases polarization gain due to puncturing.

An apparatus, comprising:

• a transceiver configured to communicate wirelessly;
• and
• a processor coupled to the transceiver and configured to perform operations comprising:
• performing polar coding to encode a plurality of input subblocks of information bits, frozen bits and optional cyclic redundancy check (CRC) bits to generate a plurality of subblocks of coded bits;
• and
• transmitting, via the transceiver, at least some of the subblocks of coded bits,
• wherein, in performing the polar coding, the processor is configured to perform operations comprising:
• performing encoder input bit mapping and freezing on the plurality of input subblocks;
• additionally freezing one or more encoder input bit channels;
• and
• rate-matching and subblock interleaving the plurality of input subblocks to result in one or more punctured bits, one or more shortened bits, and one or more output bits as the at least some of the subblocks of coded bits that are transmitted.