Design Simulation of Multiple Differential Transceiver at 2.0 GHz for Third Generation Mobile Communication System

Johal, M. S. and Othman,, A. R. and Suaidi, M. K. and Mohd. Dom, H. (2008) Design Simulation of Multiple Differential Transceiver at 2.0 GHz for Third Generation Mobile Communication System. In: 2008 Joint 6th National Conference on Telecommunication Technologies (NCTT) and 2nd Malaysia Conference on Photonics, 26-27 August 2008, Putrajaya.

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Abstract

Third generation mobile communication system is widely used nowadays. One of its parameter standard, which is QPSK modulation has been adopted by International Telecommunication Union (ITU) to be used in IMT-2000. However, due to amplitude variations introduced in QPSK, a rather robust and reliable data modulation technique, namely the 7c/4-shift Differential QPSK is proposed. For detection purposes, two types of detectors are evaluated for their performance in AWGN and Rayleigh fading channels. A differential detection technique called multiple differential detection technique which uses maximum-likelihood sequence estimation (MLSE) of the transmitted phases is compared with conventional differential detection which uses symbol-bysymbol detection. By using some of the IMT-2000 standard parameters, the simulation results show that multiple differential detection scheme performs much better than conventional differential detection scheme.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: 2r'4-shift Differential QPSK, multiple differential detection, square root raised cosine Nyquistfilter, multipath, intersymbol interference
Subjects: Q Science > Q Science (General)
Divisions: Faculty of Electronics and Computer Engineering > Department of Computer Engineering
Depositing User: Prof Madya Abdul Rani Othman
Date Deposited: 27 Feb 2013 04:09
Last Modified: 28 May 2015 03:45
URI: http://eprints.utem.edu.my/id/eprint/6837
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