MUMBAI, India, Aug. 12 -- Intellectual Property India has published a patent application (202647092358 A) filed by Qualcomm Incorporated on July 30, 2026, for Non-Binary Polar Codes For Probabilistic Amplitude Shaping.
Inventors include Risso, Alessandro; Garlapati, Shravan Kumar Reddy; Haftbaradaran, Afshin; Zhang, Li; Yang, Wei; Jiang, Jing; Sankar, Hari; Acharya, Harsha; and Kim, Hobin.
The application for the patent was published on August 07, 2026, under issue no. 32/2026.
Abstract: Various aspects of the present disclosure generally relate to wireless communication. Some aspects more specifically provide procedures and configurations used to perform, at a transmitter, probabilistic amplitude shaping (PAS) of quadrature amplitude modulation (QAM) communications using non-binary polar coding (NBPC). NBPC differs from binary polar coding (BPC) in that BPC uses a binary-input channel whereas NBPC uses a non-binary input channel. For example, while BPC uses a log likelihood ratio (LLR) with a single value corresponding to a given bit to be shaped, NBPC may use a probability mass function (PMF) to define or represent amplitude shaping target values. As another example, aspects use non-binary transformations, which reduce the number of passes to shape q bits from q passes (for BPC) to 1 pass (for NBPC).
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