NDLI: Effect of channel correlation on multi-hop data transmission over power lines with decode-and-forward relays

Content Provider	IET Digital Library
Author	Dubey, Ankit Mallik, Ranjan K.
Abstract	The authors presents a study of the effect of correlation among the multi-hop path gains on the average channel capacity and the outage performance of a power line communication system equipped with decode-and-forward relays. The path gain of each hop follows a log-normal distribution and the joint density is modelled by a multivariate log-normal distribution with exponential correlation. A distance dependent signal attenuation factor is added to the channel model to incorporate the effect of physical distance between the nodes. Furthermore, a Gaussian mixture (Bernoulli-Gaussian) noise is included in the system model to analyse the effect of impulsive noise together with thermal noise. Approximate closed-form expressions for the end-to-end average channel capacity and the outage probability are derived. Numerical results showing the impact of the amount of correlation, the number of hops, the impulsive noise power, and the spread of the average power of the path gains on the performance are presented. The results show that for a fixed transmit power and end-to-end distance between source and destination, the performance improves with increasing number of hops; however, the amount of improvement reduces with increasing channel correlation.
Starting Page	1623
Ending Page	1630
Page Count	8
ISSN	17518628
Volume Number	10
e-ISSN	17518636
Issue Number	Issue 13, Sep (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/10/13
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2015.1096
Journal	IET Communications
Publisher Date	2016-09-01
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Bernoulli-Gaussian Noise Carrier Transmission on Power Line Channel Correlation Channel Model Correlation Method Decode And Forward Communication Decode-and-forward Relays Distance Dependent Signal Attenuation Factor Error Statistics Exponential Correlation Gaussian Mixture Noise Gaussian Noise Log Normal Distribution Multihop Data Transmission Multivariate Log-normal Distribution Outage Probability Path Gain Power Line Communication System Power Line System Relay Network Statistics Telecommunication
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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