MUMBAI, India, June 24 -- Intellectual Property India has published a patent application (202527098727 A) filed by Huawei Technologies Co. , Ltd. on October 13, 2025, for Methods, Systems, And Apparatus For Partial Code Rate Reduction In Polar Coding.
Inventors include Zhang, Huazi; Wang, Jun; Tong, Wen; and Ge, Yiqun.
The application for the patent was published on June 12, 2026, under issue no. 24/2026.
Abstract: Polar codes for wireless communications are constructed to adapt to channel conditions. The polar code construction includes a partial code rate reduction. Input bits are encoded by a polar code to obtain a number of encoded bits, and the number of the encoded bits on bit indices in a first segment of encoded bit indices of the encoded bits is reduced. The polar code includes or provides a first set of bit indices for values of the input bits, a second set of bit indices for a predetermined bit value, and a third set of bit indices corresponding to the first segment of encoded bit indices. The second set and the third set of bit indices include a first bit index on which the predetermined bit value is placed to reduce a code rate of the first segment.
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