Title: Multiuser resource allocation method based on cognitive radio system
Application Number: 200610043081 Application Date: 2006.06.30
Publication Number: 1878027 Publication Date: 2006.12.13
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: H04B7/12,H04B7/005
Applicant(s) Name: Xidian University Address: 710071
Inventor(s) Name: Li Jiandong, Li Weiying, Yang Jiawei, Liu Qin, Xin
Attorney & Agent: zhang wenfen wei quansheng
Abstract:
     The invention discloses a multi-user resource distribution method based on wireless recognition system, which comprises the following steps: communicating recognition AP node and multi-recognition user in the system in the down chain at frequency spectrum void time of multi-authority user; distributing resource according to proportional fair elementary; adopting two-step algorithm to reduce calculating difficulties; proceeding carrier allocation for the first step and emitting power allocation for the second step; distributing pre-allocation emitting power for each subcarrier of recognition AP node to guarantee normal communication without interfering authorized user; distributing carrier of each recognition node according to dispatching factor Hk, nPk, n.
Time: 12