Energy-Efficient Transmission in Cognitive Radio Networks

被引：0
|
作者：
Li, Liying [1 ,2 ]
Zhou, Xiangwei [2 ]
Xu, Hongbing [1 ]
Li, Geoffrey Ye [2 ]
Wang, Dandan [3 ]
Soong, Anthony [3 ]
机构：
[1] Univ Elect Sci & Technol China, Sch CAE, Chengdu 610054, Peoples R China
[2] Georgia Inst Technol, Sch ECE, Atlanta, GA USA
[3] Huawei Technol, Wireless Adv Res, Plano, TX USA
来源：
2010 7TH IEEE CONSUMER COMMUNICATIONS AND NETWORKING CONFERENCE-CCNC 2010 | 2010年
基金：
美国国家科学基金会;
关键词：
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Cognitive radio (CR) networks are designed to utilize the licensed spectrum when it is not used by the primary (licensed) users. In this paper, we investigate how a CR user senses multiple channels and determine the optimal transmission duration and power allocation. When performing optimization, we take energy efficiency, throughput, and interference with the primary users into consideration and find a closed-form solution for transmission duration for chosen channels. It is shown that the proposed optimization approach significantly improves energy efficiency and throughput of CR networks.
引用
收藏
页码：1048 / +
页数：2
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