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2012 (Vol. 4, Issue: 21)
Article Information:

Performance Analysis of Bessel Beamformer in AWGN Channel Model Using Digital Modulation Technique

M. Yasin, Pervez Akhtar and Amir Hassan Pathan
Corresponding Author:  M. Yasin 

Key words:  Affine projection adaptive filter , AWGN channel, bessel beam forming algorithm, quadrature amplitude modulation technique, smart antenna, ,
Vol. 4 , (21): 4408-4416
Submitted Accepted Published
April 25, 2012 May 18, 2012 November 01, 2012
Abstract:

In this study, we simulate a communication system model using adaptive beamforming algorithm named as Bessel beamformer in Additive White Gaussian Noise (AWGN) environment and analyzed its performance employing 4 point Quadrature Amplitude Modulation (QAM) technique. This model describes the input and output relationship of physical systems. Bessel beamformer is used in smart antenna, a part of communication system to calculate weights adaptively to optimize Signal to Noise Ratio (SNR) of the desired signal in look direction. The QAM modulation technique allows us to send more bits per symbols to get higher throughput, to reduce interference and fading. QAM is used for systems like CDMA, WiMAX (IEEE802.16) and Wi-Fi (IEEE802.11) for beam formation, to measure Bit Error Rate (BER), noisy channel capacity, Mean Square Error (MSE), Power Efficiency for M-ary QAM signals, to study the effect of inter-symbol interference in terms of eyediagram for transmitted and received signal, elapsed time and array response gain towards desired user which leads not only for system capacity improvement but also enhancing spectrum efficiency.
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  Cite this Reference:
M. Yasin, Pervez Akhtar and Amir Hassan Pathan, 2012. Performance Analysis of Bessel Beamformer in AWGN Channel Model Using Digital Modulation Technique.  Research Journal of Applied Sciences, Engineering and Technology, 4(21): 4408-4416.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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