Method and apparatus for optimizing spectrum utilization by a cognitive radio network
US8768371B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 7, 2012 |
| Grant date | Jul 1, 2014 |
| Priority date | — |
| Expiry date | Feb 7, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W72/02
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A technique for a secondary communication system to utilize spectrum designated to another (or primary) communication system is provided. By ranking a plurality of secondary base stations based on base station transmit power, calculated required transmit power and path loss, a set of criteria is developed for selecting a highest ranked secondary base station for operation within a primary's spectrum. The ranking may be adapted based on mobility of the secondary's subscriber; and as such the secondary system communicates within the primary's spectrum using the adaptively ranked base stations. Channel selection may also be ranked. The technique and apparatus allows a cognitive radio (CR) network to operate within an incumbent network's spectrum.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.