DocumentCode :
690314
Title :
A Fast Scheduling Algorithm for Multiuser MIMO-MRC Based Cognitive Radio Networks
Author :
Shuai Deng ; Wei Chen ; Dong Tang
Author_Institution :
Sch. of Mech. & Electr. Eng., Guangzhou Univ., Guangzhou, China
fYear :
2013
fDate :
14-15 Dec. 2013
Firstpage :
167
Lastpage :
170
Abstract :
In spectrum sharing environments of cognitive radio (CR), secondary users are permitted to share the primary user´s spectrum only if limited interference to the primary user can be guaranteed. On the other hand, when multiple CR users share the same channel at one time, the total throughput of the CR networks can be maximized by allocating the common radio resource to the CR users with the best channel quality and the multiuser diversity gain can be obtained. In this paper we propose a fast CR user selection algorithm with low complexity and the multiuser diversity gain are analyzed. From the simulation results, this algorithm not only decreases the computational complexity of the scheduling algorithm but also retains large capability of the MIMO CR system.
Keywords :
cognitive radio; computational complexity; diversity reception; radiofrequency interference; scheduling; channel quality; computational complexity; fast CR user selection algorithm; fast scheduling algorithm; multiuser MIMO-MRC based cognitive radio networks; multiuser diversity gain; Algorithm design and analysis; Base stations; Complexity theory; Interference; Scheduling; Scheduling algorithms; Vectors; Cognitive radio; MIMO; multiuser diversity; spectrum sharing;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Computer Sciences and Applications (CSA), 2013 International Conference on
Conference_Location :
Wuhan
Type :
conf
DOI :
10.1109/CSA.2013.45
Filename :
6835571
Link To Document :
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