Adapting communication parameters to link conditions, traffic types, and/or priorities
US10356652B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 6, 2015 |
| Grant date | Jul 16, 2019 |
| Priority date | — |
| Expiry date | Dec 15, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W28/04
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Systems and methods are provided for adapting communication parameters to a variety of link conditions, traffic types and priorities. For example, WiFi transmission parameters (e.g. retry limit, AIFS, CW size, MCS order and/or CCA threshold) may be adapted to channel congestion levels, channel errors and/or traffic priority levels. Parameter adaptation may be coordinated across layers (e.g. between MAC and PHY layer parameters). Congestion levels may be detected, for example, using a smoothed queue size and/or channel busy time. Traffic may be transmitted using adapted parameters, such as reduced retry limits for a high congestion level and increased retry limits for priority traffic in response to channel error. Feedback may support parameter adaptation. For example, feedback may be provided by a receiver and/or within a sender, such as a sender MAC and/or PHY layer or a parameter adapter providing feedback (e.g. spoofed NACK packet) to a sender application, transport and/or network layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.