Joint power and spectrum allocation in multi-hop cognitive radio networks

doi:10.1016/S1005-8885(14)60280-6

中国邮电高校学报(英文) ›› 2014, Vol. 21 ›› Issue (2): 9-14.doi: 10.1016/S1005-8885(14)60280-6

Joint power and spectrum allocation in multi-hop cognitive radio networks

吴婧, LI Yi, LIU Gang, JI Hong

School of Telecommunication Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China

收稿日期:2013-06-14 修回日期:2014-02-21 出版日期:2014-04-30 发布日期:2014-04-30
通讯作者: 吴婧 E-mail:destinywu1990@gmail.com

Joint power and spectrum allocation in multi-hop cognitive radio networks

Received:2013-06-14 Revised:2014-02-21 Online:2014-04-30 Published:2014-04-30
Supported by:
the Hi-Tech Research and Development Program of China (2012AA01A508), the Beijing Higher Education Young Elite Teacher Project (YETP0432), the Specialized Research Fund for the Doctoral Program of Higher Education (20120005120010).

摘要/Abstract

摘要：

Various cognitive network technologies are developed rapidly. In the article, the power and spectrum allocation in multi-hop cognitive radio network (CRN) with linear topology is investigated. The overall goal is to minimize outage probability and promote spectrum utility, including total reward and fairness, while meeting the limits of total transmit power and interference threshold to primary user simultaneously. The problem is solved with convex optimization and artificial bee colony (ABC) algorithm jointly. Simulation shows that the proposed scheme not only minimizes outage probability, but also realizes a better use of spectrum.

关键词:

cognitive radio, power allocation, outage probability, spectrum utility, ABC algorithm

Abstract:

Key words:

cognitive radio, power allocation, outage probability, spectrum utility, ABC algorithm

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Joint power and spectrum allocation in multi-hop cognitive radio networks

Joint power and spectrum allocation in multi-hop cognitive radio networks

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