Patent · US Active

HARQ feedback for groupcast on new radio UU interface

US12192857B2 · kind B2 · utility

0Cited by
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15Claims
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Assignee

Inventors

Key dates

Filing dateOct 2, 2020
Grant dateJan 7, 2025
Priority date
Expiry dateNov 27, 2041

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04W72/30
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

Disclosed herein are methods and apparatus for HARQ feedback in NR Uu groupcast or broadcast, including methods for assigning and releasing the groupcast RNTI for Uu groupcast or broadcast, methods for enabling and disabling the HARQ feedback for Uu groupcast or broadcast, and methods for HARQ feedback and corresponding resource allocation for Uu groupcast or broadcast, including ACK-NACK based Uu groupcast HARQ feedback, NACK only based Uu groupcast HARQ feedback, and Enhanced ACK-NACK based Uu groupcast HARQ feedback. Also disclosed herein are methods for collision handling between HARQ feedback for Uu broadcast/groupcast and other transmissions.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.