Joint Adaptive Beamforming And Adaptive Modulation Techniques For Wireless Communication Systems

Ibrahim @ Ghazali, Siti Azlida (2010) Joint Adaptive Beamforming And Adaptive Modulation Techniques For Wireless Communication Systems. Masters thesis, University of Multimedia.

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Abstract

The study begins by investigating the potential benefit of utilizing adaptive modulation mode selector at the output of adaptive beamformer. By applying this combination approach, the adaptive modulator is designed to assist the adaptive beamformer in determining the need to recalculate the adaptive beam forming weight vector. The novelty of this approach lies in the ability of the joint technique to reduce the weight recalculation rate, thus saving the processing power. Computer simulation was carried out to compare the performance of the proposed joint adaptive beamforming adaptive modulation (ABF-AM) with the conventional adaptive beamforming fixed modulation (ABF-FM) for the case of one and two interferes. Results for both cases show that the proposed ABF-AM is able to fulfil the target bit error rate (BER) of 10, while improving performance by reducing the required average received signal-to-interference-plus-noise ratio (SINR) as compared to the AB F-FM technique.

Item Type: Thesis (Masters)
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK5101-6720 Telecommunication
Divisions: Faculty of Engineering (FOE)
Depositing User: Ms Suzilawati Abu Samah
Date Deposited: 18 Apr 2012 04:03
Last Modified: 18 Apr 2012 04:03
URI: http://shdl.mmu.edu.my/id/eprint/3504

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