Optimal power allocation in cognitive radio based machine-to-machine network

被引：2
|
作者：
Yao, Haipeng [1 ]
Huang, Tao [1 ]
Zhao, Chenglin [1 ]
Kang, Xiaoyong [2 ]
Liu, Zhongya [3 ]
机构：
[1] Beijing Univ Posts & Telecommun, State Key Lab Networking & Switching Technol, Beijing 100876, Peoples R China
[2] China Transport Telecommun & Informat Ctr, Beijing 100876, Peoples R China
[3] State Radio Monitoring Ctr, Beijing 100876, Peoples R China
来源：
EURASIP JOURNAL ON WIRELESS COMMUNICATIONS AND NETWORKING | 2014年
关键词：
Machine to machine; Cognitive radio; Interference constrains; Optimal power allocation; Admission control;
D O I：
10.1186/1687-1499-2014-82
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, we investigate the optimal power allocation strategy in a cognitive radio-based machine-to-machine (M2M) network where a licensed primary user and multiple unlicensed M2M devices coexist and operate in the same licensed spectrum. We develop a connectivity establishment mechanism in M2M network based on the cognitive radio scheme and propose an optimal power allocation scheme which achieves the maximum system utility while satisfying the QoS requirement of M2M devices and interference constraints of the primary user. The simulation results show that the proposed algorithm achieves better performance.
引用
收藏
页数：9
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