NDLI: Fairness-adjustable opportunistic relay selection in the power-constrained cooperative networks with adaptive transmission

Content Provider	IET Digital Library
Author	Xiao, Kun He, Jie Zhou, Zhongyao
Abstract	The existing literatures have not considered either the fair power consumption in multi-user cooperative networks or the fairness-adjustable relay selection scheme. The authors propose a fairness-adjustable opportunistic relay selection in the multi-user dual-hop decode-and-forward cooperative networks with the optimal simultaneous power and rate adaptation under realistic power constraints, where the selection result is determined by the instantaneous signal-to-noise ratios over the relay links, the power load (PL) of the relays and the weight factor. The weight factor, also behaving as the metric of fairness, is introduced to adjust the bias between the average channel capacity for the relaying user and the fair PL distribution and is obtained by the proposed capacity-fairness bias criterion for the required fairness target. The average channel capacity has been derived approximately for the proposed scheme and the numerical results underscore the significant benefits of jointly exploiting the channel capacity and fairness.
Starting Page	449
Ending Page	457
Page Count	9
ISSN	17518628
Volume Number	12
e-ISSN	17518636
Issue Number	Issue 4, Mar (2018)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/12/4
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2017.0729
Journal	IET Communications
Publisher Date	2017-12-31
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Adaptive Transmission Capacity-fairness Bias Criterion Channel Capacity Cooperative Communication Decode And Forward Communication Fair PL Distribution Fairness-adjustable Opportunistic Relay Selection Multiuser Dual-hop Decode-and-forward Cooperative Network Power Load Power-constrained Cooperative Network Radio Link And Equipment Relay Link Relay Network Telecommunication
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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