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IJSTR >> Volume 9 - Issue 9, September 2020 Edition



International Journal of Scientific & Technology Research  
International Journal of Scientific & Technology Research

Website: http://www.ijstr.org

ISSN 2277-8616



Optimization Of Dual-Hop Wireless Link Under Energy Harvesting Scheme

[Full Text]

 

AUTHOR(S)

Sarwar Jahan, Md. Imdadul Islam, M. R. Amin

 

KEYWORDS

PSNR, AWGN, relay gain, BER, and channel coding.

 

ABSTRACT

One of the major challenges of the dual-hop energy harvesting (EH) a link is, to optimize the link parameters to achieve maximum signal to noise ratio (SNR) at the receiving end. In this paper, the optimum condition of three parameters: ‘power supply at source terminal’, ‘power splitting ratio’, and ‘gain of relay’ is achieved in four ways. In the first and second techniques, the above three parameters are optimized analytically from the profile of normalized channel capacity and bit error rate (BER), where the corresponding graphs show maxima and minima at the same optimum point. In the third technique, we find the separation between profiles of ‘normalized channel capacity’ of EH and non-EH minimum at optimum condition. In the fourth technique, we transmit grayscale images under 16-QAM using a proposed algorithm of pixel to modulated symbol conversion. We then measure the quality of the image in terms of SNR and peak signal to noise ratio (PSNR) in dB and we verify the optimum condition of the network by the quality of received images.

 

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