MUMBAI, India, June 19 -- Intellectual Property India has published a patent application (202617055622 A) filed by Qualcomm Incorporated on May 01, 2026, for Sign Bit Shaping For Polar Codes.
Inventors include Wu, Liangming; Liu, Wei; Li, Jian; Jia, Yinhua; and Xu, Changlong.
The application for the patent was published on June 05, 2026, under issue no. 23/2026.
Abstract: Aspects relate to sign bit shaping for polar codes, where the shaping bits are placed on the sign bit level corresponding to a bit level with the highest reliability subchannels. Information bits and frozen bits may be placed on remaining subchannels. Each bit level may be fed to a respective polar transform (e.g., polar sub-kernel) that encodes the respective bit level to produce respective polar code sub-kernel outputs. The polar code sub-kernel outputs may be fed into a set-partition to Gray labeling transform to produce transformed polar code sub-kernel outputs corresponding to a polar-coded codeword.
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