Abstract
OFDMA modulation is utilized for downlink and uplink communications in IEEE 802.22 wireless regional area network(WRAN). Because a base station (BS) uses omnidirectional antenna for downlink communications, BS will interfere with consumer premise equipments (CPEs) which use the same subchannel in other cells. Every BS wants to maxmize its sum downlink rate when minimizing co-channel interference with other cells. This can be seen as a noncooperative game. We have proved the game was an exact potential game (EPG) and found potential function. We use distributed iterative waterfilling power allocation (DIWPA) algorithm to find Nash equilibrium (NE) of EPG. Simulation result indicates DIWPA can achieve more dowmlink rate in evidence compared to the way which is called average power allcation (APA) algorithm.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
