Relay Selection Algorithm for Cognitive Relay Network

被引：2
|
作者：
Jin, Yong [1 ]
Hou, Yunshan [2 ]
Hu, Zhentao [1 ]
Liu, Xianxing [1 ]
机构：
[1] Henan Univ, Inst Image Proc & Pattern Recognit, Kaifeng 475000, Peoples R China
[2] Henan Univ Sci & Technol, Coll Informat Engn, Luoyang 471023, Peoples R China
来源：
WIRELESS PERSONAL COMMUNICATIONS | 2017年 / 96卷 / 04期
基金：
中国国家自然科学基金;
关键词：
Cognitive relay network; Relay selection; Signal-to-interference-and-noise ratio (SINR); Convex optimization; POWER ALLOCATION;
D O I：
10.1007/s11277-017-4472-0
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
In the cognitive relay network, due to the different fading characteristics of communication links, not all relay nodes have constructive impacts on the system performance. A relay selection algorithm is proposed to obtain the minimum relay transmission power while satisfying the secondary user SINR requirements and interference temperature constraints. The algorithm first introduces a""1 norm as the approximation of a""0 norm, then constructs a minimum relay transmission power constraint problem to select appropriate relays. Simulation results show that the algorithm can efficiently conduct relay selection with mild system transmission power increase over traditional full cooperation cognitive relay network.
引用
收藏
页码：6183 / 6195
页数：13
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