MUMBAI, India, Aug. 10 -- Intellectual Property India has published a patent application (202541006662 A) filed by Nokia Technologies Oy on January 27, 2025, for Harq-Ack Codebook Design For Carrier Aggregation.
Inventors include Kari Juhani Hooli; Klaus Hugl; Gayatri Virupaxayya Emmimath; Matha Deghel; and Anand Bedekar.
The application for the patent was published on July 31, 2026, under issue no. 31/2026.
Abstract: ABSTRACT HARQ-ACK CODEBOOK DESIGN FOR CARRIER AGGREGATION Systems, methods, apparatuses, and computer program products for HARQ- ACK CB design for carrier aggregation. One method may include receiving at least one configuration; receiving at least one physical downlink shared channel (PDSCH) scheduling downlink control information (DCI) and at least one PDSCH from a first cell and a second cell of a network entity; based on the received PDSCH scheduling DCI and a decoding outcome of the corresponding at least one PDSCH, determining acknowledgments (ACKs) and non-acknowledgements (NACKs); receiving, from the first cell of the network entity, an asynchronous hybrid automatic repeat request (HARQ)-trigger for asynchronous HARQ-ACK feedback on DCI scheduling PDSCH or physical uplink shared channel (PUSCH); based upon the asynchronous HARQ-trigger, selecting a corresponding sequence of ACKs/NACKs from the determined ACKs/NACKs as an asynchronous HARQ-ACK feedback; and transmitting the asynchronous HARQ-ACK feedback to the second cell of the network entity.
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