MUMBAI, India, July 13 -- Intellectual Property India has published a patent application (202544128848 A) filed by Nokia Technologies Oy on December 18, 2025, for Transmit Precoding Matrix Indicator, Tpmi, Prediction.

Inventors include Tachporn Sanguanpuak; Keeth Saliya Jayasinghe Laddu; Juha Pekka Karjalainen; Mihai Enescu; and Sami-Jukka Hakola.

The application for the patent was published on July 10, 2026, under issue no. 28/2026.

Abstract: ABSTRACT TRANSMIT PRECODING MATRIX INDICATOR, TPMI, PREDICTION According to an example aspect of the present disclosure, there is provided a method, comprising receiving, from a user equipment, a sounding reference signal on a set of subbands within a frequency region of a full system bandwidth, predicting, based at least on the received sounding reference signal, a Transmit Precoding Matrix Indicator, TPMI, for all sub-bands within the frequency region of the full system bandwidth and transmitting the predicted TPMI to the user equipment

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