Apparatus and method for transmitting coexistence beacon protocol packet in cognitive radio based wireless communication system
US9485785B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 14, 2009 |
| Grant date | Nov 1, 2016 |
| Priority date | — |
| Expiry date | Aug 9, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W74/0825
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method of and apparatus for operating a Coexistence Beacon Protocol (CBP) packet transmitter in a Cognitive Radio (CR)-based wireless communication system is provided. The method includes, identifying a Self-Coexistence Window (SCW) regular pattern of neighbor Wireless Regional Area Networks (WRANs), if vacant SCW slots are not periodically occurring, selecting a WRAN as a contender among the neighbor WRANs, performing a contention for transmitting the CBP packet with the contender within SCW slots that are occupied by the WRAN, and configuring an SCW usage pattern so that an SCW usage period of the CBP packet sender is double that of an SCW usage period of the contender when winning in the contention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.