NDLI: Probabilistic relay assignment strategy for cooperation networks with random relays

Content Provider	IET Digital Library
Author	Azari, M. Mahdi Rabiei, Amir Masoud Behnad, Aydin
Abstract	A new approach in fairness is proposed by using a probabilistic relay assignment strategy for cooperative communication systems. In this approach, relays are allocated to sources based on a probabilistic relay assignment function, which is characterised by the outage probability. To examine the proposed relay assignment strategy, an exact expression for the outage probability of an opportunistic coded cooperation diversity system is derived. It is assumed that the relays in this system are distributed according to a two-dimensional homogeneous Poisson point process, and the transmission channels undergo Rayleigh fading as well as path loss. It is observed that the proposed strategy reduces the number of requests for using the relays and, thus, utilises the relays more efficiently. Furthermore, compared to the conventional opportunistic relay assignment strategy, the total power consumed by the relays decreases, while the quality of service requirements are still satisfied.
Starting Page	930
Ending Page	937
Page Count	8
ISSN	17518628
Volume Number	8
e-ISSN	17518636
Issue Number	Issue 6, Apr (2014)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/8/6
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2013.0466
Journal	IET Communications
Publisher Date	2014-02-12
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Cooperation Network Cooperative Communication Cooperative Communication System Opportunistic Coded Cooperation Diversity System Power Consumption Probabilistic Relay Assignment Strategy Quality of Service Radio Link And Equipment Random Relay Rayleigh Channel Rayleigh Fading Relay Network Statistics Stochastic Linearised SCUC Telecommunication Transmission Channel Two-dimensional Homogeneous Poisson Point Process
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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