BER performance study of PSK-based digital modulation schemes in multipath fading environment

Digital modulation is undoubtedly significant portion in wireless communication technology. It allows the transmission of digital data via the air on high frequency carrier waves. The worst case communication channel is usually in the urban environment where there are many obstacles. Due to the obst...

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Main Author: Paizi @ Fauzi, Wan Fariza
Format: Thesis
Language:English
Published: 2006
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Online Access:http://eprints.utm.my/id/eprint/114/1/WanFarizaFaiziMFKE2006.pdf
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spelling my-utm-ep.1142018-01-29T06:52:10Z BER performance study of PSK-based digital modulation schemes in multipath fading environment 2006-06 Paizi @ Fauzi, Wan Fariza TK Electrical engineering. Electronics Nuclear engineering Digital modulation is undoubtedly significant portion in wireless communication technology. It allows the transmission of digital data via the air on high frequency carrier waves. The worst case communication channel is usually in the urban environment where there are many obstacles. Due to the obstacles and reflectors, the transmitted signal arrivals at the receiver from various directions over a multiplicity of paths. Such a phenomenon is called multipath. The project studies and identifies the PSK-based digital modulation scheme (BPSK, QPSK or GMSK) that gives the best BER performance in a multipath fading environment using computer simulation. Essentially, ideal and worst case communication channel models were studied and simulation programs were written to simulate the channels. Each PSK-based digital modulation understudy are modeled and simulated under different channel conditions. Subsequently, a comparison study is carried out to obtain the BER performance for each PSK-based transmission scheme under 1-path and 4-path multipath fading conditions and to identify which modulation scheme gives best BER performance. The comparison study showed that BER for BPSK and QPSK are similar and they give the lowest BER under multipath fading. Nonetheless, GMSK’s BER is just slightly higher than that of BPSK and QPSK. While these three modulation schemes shows high robustness under multipath fading channel, a modulation scheme that can increase transmission rate while keeping high frequency utilization efficiency should the directions of future modulation schemes. Further study on smart and adaptive modulation should also be of interest. 2006-06 Thesis http://eprints.utm.my/id/eprint/114/ http://eprints.utm.my/id/eprint/114/1/WanFarizaFaiziMFKE2006.pdf application/pdf en public masters Universiti Teknologi Malaysia, Faculty of Electrical Engineering Faculty of Electrical Engineering
institution Universiti Teknologi Malaysia
collection UTM Institutional Repository
language English
topic TK Electrical engineering
Electronics Nuclear engineering
spellingShingle TK Electrical engineering
Electronics Nuclear engineering
Paizi @ Fauzi, Wan Fariza
BER performance study of PSK-based digital modulation schemes in multipath fading environment
description Digital modulation is undoubtedly significant portion in wireless communication technology. It allows the transmission of digital data via the air on high frequency carrier waves. The worst case communication channel is usually in the urban environment where there are many obstacles. Due to the obstacles and reflectors, the transmitted signal arrivals at the receiver from various directions over a multiplicity of paths. Such a phenomenon is called multipath. The project studies and identifies the PSK-based digital modulation scheme (BPSK, QPSK or GMSK) that gives the best BER performance in a multipath fading environment using computer simulation. Essentially, ideal and worst case communication channel models were studied and simulation programs were written to simulate the channels. Each PSK-based digital modulation understudy are modeled and simulated under different channel conditions. Subsequently, a comparison study is carried out to obtain the BER performance for each PSK-based transmission scheme under 1-path and 4-path multipath fading conditions and to identify which modulation scheme gives best BER performance. The comparison study showed that BER for BPSK and QPSK are similar and they give the lowest BER under multipath fading. Nonetheless, GMSK’s BER is just slightly higher than that of BPSK and QPSK. While these three modulation schemes shows high robustness under multipath fading channel, a modulation scheme that can increase transmission rate while keeping high frequency utilization efficiency should the directions of future modulation schemes. Further study on smart and adaptive modulation should also be of interest.
format Thesis
qualification_level Master's degree
author Paizi @ Fauzi, Wan Fariza
author_facet Paizi @ Fauzi, Wan Fariza
author_sort Paizi @ Fauzi, Wan Fariza
title BER performance study of PSK-based digital modulation schemes in multipath fading environment
title_short BER performance study of PSK-based digital modulation schemes in multipath fading environment
title_full BER performance study of PSK-based digital modulation schemes in multipath fading environment
title_fullStr BER performance study of PSK-based digital modulation schemes in multipath fading environment
title_full_unstemmed BER performance study of PSK-based digital modulation schemes in multipath fading environment
title_sort ber performance study of psk-based digital modulation schemes in multipath fading environment
granting_institution Universiti Teknologi Malaysia, Faculty of Electrical Engineering
granting_department Faculty of Electrical Engineering
publishDate 2006
url http://eprints.utm.my/id/eprint/114/1/WanFarizaFaiziMFKE2006.pdf
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