HARQ transmission scheme using multiple parallel HARQ threads
US11463203B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 23, 2020 |
| Grant date | Oct 4, 2022 |
| Priority date | — |
| Expiry date | Jun 23, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W80/08
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Embodiments described herein provide apparatus and methods for performing HARQ operations using parallel HARQ threads, where each new transmission of a MPDU/A-MPDU/PSDU triggers the activation of a HARQ thread. Each HARQ thread contains one or more HARQ coding words or coding units. A HARQ thread index is setup by a transmission opportunity (TXOP) holder for a corresponding PSDU and is used to identify HARQ threads. Multiple HARQ threads can be aggregated into one PPDU for transmission (or retransmission). The maximum number of HARQ threads can be negotiated between AP and non-AP STAs based on buffer requirements, for example. A HARQ thread can end when all MPDUs associated with the HARQ thread have been decoded or other predetermined conditions are met.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.