Enhancing coexistence on unlicensed frequency bands using adaptive clear-to-send-to-self messages
US10136331B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Aug 12, 2016 |
| Grant date | Nov 20, 2018 |
| Priority date | — |
| Expiry date | Dec 10, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W88/08
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A base station operates according to a first radio access technology (RAT) that requires synchronization on timing synchronization boundaries. The base station acquires a channel of an unlicensed frequency band and generates a clear-to-send message that is decodable by access points that operate according to a second RAT that does not require synchronization on the timing synchronization boundaries. The base station transmits the clear-to-send message during a time interval between acquisition of the channel and a subsequent timing synchronization boundary.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.