User terminal and radio communication method

ChangeBridge: Patent Grants - Networking (H04L)

Published March 31st, 2026

Detected April 1st, 2026

Summary

USPTO granted patent US12592796B2 to NTT DOCOMO, INC. on March 31, 2026. The patent covers user terminal and radio communication methods involving Hybrid Automatic Repeat reQuest-ACKnowledge (HARQ-ACK) timing for downlink shared channel reception across multiple services. The patent names six inventors and is classified under CPC codes H04L 1/1861 and related communication protocols.

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What changed

USPTO granted Patent US12592796B2 to NTT DOCOMO, INC. on March 31, 2026. The patent pertains to user terminal and radio communication methods involving HARQ-ACK timing determination for downlink shared channel reception across different time units and service formats. The four granted claims cover control sections for determining candidate reception occasions and transmitting codebooks based on those occasions.

This is a routine patent grant notification with no compliance obligations or required actions for third parties. Companies developing cellular radio equipment may wish to review the patent claims to assess potential licensing needs or design-around considerations. No regulatory deadlines or penalties are associated with this issuance.

Source document (simplified)

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User terminal and radio communication method

Grant US12592796B2 Kind: B2 Mar 31, 2026

Assignee

NTT DOCOMO, INC.

Inventors

Kazuki Takeda, Satoshi Nagata, Shaozhen Guo, Lihui Wang, Xiaolin Hou

Abstract

A user terminal includes: a control section that determines a set of one or more candidate occasions for reception of a downlink shared channel available in a time unit, based on a Hybrid Automatic Repeat reQuest-ACKnowledge (HARQ-ACK) timing value using a same or different time unit between a plurality of services and a format of the time unit; and a transmitting section that transmits a codebook being determined based on the set of the one or more candidate occasions.