Paper Info
Title
Performance Of Frequency Resource Assignment Schemes For Cognitive Radio Based Cooperative Communication Systems
Abstract
Cognitive radio (CR) allows unauthorized users to access authorized band without interfering the authorized user, thereby improving the bandwidth efficiency. In addition, cooperative communications with relay stations (RSs) can be used to improve throughput performance of 4G downlink network. In this study a cognitive radio assisted cooperation (CRAC), which combines advantages of CR and cooperative communications with RSs, is considered for resources allocation in the downlink orthogonal frequency division multiple access (OFDMA) networks. Two adaptive resource allocation algorithms are presented and experimental results demonstrate that the proposed algorithms can not only enhance throughput, but also improve fairness and utility of users assuming available channels are known by base station.
Year
Venue
Keywords
2016
2016 IEEE INTERNATIONAL CONFERENCE ON SYSTEMS, MAN, AND CYBERNETICS (SMC)
OFDMA, cooperative communications, cognitive radio, throughput, fairness, utility
Field
DocType
ISSN
Base station,Computer science,Computer network,Orthogonal frequency-division multiple access,Communications system,Spectral efficiency,Throughput,Orthogonal frequency-division multiplexing,Cognitive radio,Telecommunications link
Conference
1062-922X
Citations 
PageRank 
References 
0
0.34
0
Authors
5
Name
Order
Citations
PageRank
Yung-Fa Huang126249.47
Tan-Hsu Tan22110.28
Yu-Shing Lee300.34
Shing-Hong Liu412.39
Rung-Ching Chen533137.37