Outage analysis of multi-relay selection in underlay cognitive AF relay networks

Chen, GJ, Ge, L, Gong, Y and Chambers, JA (2013) Outage analysis of multi-relay selection in underlay cognitive AF relay networks

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Abstract

We evaluate the outage probability of cognitive amplify-and-forward relay networks with cooperation between certain secondary users chosen by multi-relay selection based on the underlay approach, while adhering to the interference constraint on the primary user. A max-min strategy is employed to perform best relay or multi-relay, i.e. between two and four relays, selection. We obtain analytical expressions for the probability density function (PDF), and cumulative density function (CDF) of the received signal-to-noise ratio (SNR) and thereby provide near closed form expressions for outage probability over Rayleigh frequency flat fading channels, which are verified by numerical simulation.

Item Type:	Conference or Workshop Item (UNSPECIFIED)
Divisions :	Surrey research (other units)
Authors :	Name Email ORCID Chen, GJ Ge, L Gong, Y Chambers, JA j.a.chambers@surrey.ac.uk
Date :	18 July 2013
DOI :	10.1049/ic.2013.0011
Depositing User :	Symplectic Elements
Date Deposited :	17 May 2017 13:24
Last Modified :	23 Jan 2020 18:32
URI:	http://epubs.surrey.ac.uk/id/eprint/839082

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