NDLI: Performance of Nth-best antenna selection diversity systems with co-channel interference and outdated channel information

Content Provider	IET Digital Library
Author	Salhab, Anas M. Zummo, Salam A.
Abstract	In this study, the authors evaluate the performance of space diversity systems with the Nth-best antenna selection scheme in the presence of interference and outdated channel information (OC1). The Nth-best antenna selection scheme is efficient in situations where the second or even the Nth best antenna is mistakenly selected by the destination instead of the first best antenna for data reception. In this study, they first derive the cumulative distribution function (CDF) of the end-to-end (e2e) signal-to-interference plus noise ratio at the selection scheme combiner output. This CDF is then used to derive exact closed-form expressions for the e2e outage probability and symbol error probability (SEP) of the system. In the analysis, the channels of the desired user and the interferers are assumed to follow Rayleigh distribution. Furthermore, to obtain more about system insights, the performance is studied at the high signal-to-noise ratio (SNR) regime where the diversity order and coding gain are derived. Monte Carlo simulations are provided to validate the derived analytical and asymptotic expressions. Main results illustrate that with an interference power that is not scaling with SNR, the system can still achieve diversity gain when more receive antennas are used. Also, findings show that the diversity order of the system is linearly decreasing with increasing the order of the antenna, and linearly increasing with decreasing it. Furthermore, results illustrate that as the higher the correlation coefficient between the SNRs of antennas at the selection and transmission time instances, the better the achieved performance.
Starting Page	1674
Ending Page	1683
Page Count	10
ISSN	17518628
Volume Number	8
e-ISSN	17518636
Issue Number	Issue 10, Jul (2014)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/8/10
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2013.1167
Journal	IET Communications
Publisher Date	2014-06-02
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Asymptotic Expressions CDF Channel Coding Cochannel Interference Coding Gain Correlation Coefflcient Cumulative Distribution Function Data Reception Diversity Gain Diversity Order Diversity Reception E2e Outage Probability Electromagnetic Compatibility End-to-end Signal-to-interference Plus Noise Ratio Error Statistics Independent Nonidentical Distribution Interference Interference Suppression Monte Carlo Method Monte Carlo Simulation Method Nth-best Antenna Selection Diversity System OCI Outdated Channel Information Radio Link And Equipment Rayleigh Distribution Receive Antenna Receiving Antenna Selection Scheme Combiner Output SEP Single Antenna SNR Space Diversity System Statistical Distribution Symbol Error Probability Transmission Time Instances
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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