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Title: Effects of non-matched receiver filters on π/4-DQPSK bit error rate in Rayleigh fading
Authors: Ng, Chun Sum 
Tjhung, Tjeng Thiang 
Adachi, Fumiyuki
Issue Date: Jun-1994
Citation: Ng, Chun Sum,Tjhung, Tjeng Thiang,Adachi, Fumiyuki (1994-06). Effects of non-matched receiver filters on π/4-DQPSK bit error rate in Rayleigh fading. IEICE Transactions on Communications E77-B (6) : 800-807. ScholarBank@NUS Repository.
Abstract: The effect of intersymbol interference resulting from non-matched receiver filtering on the bit error rate (BER) performance of π/4-DQPSK systems recently adopted in the North American and Japanese digital cellular standards, is analyzed in Rayleigh fading. With a Gaussian or a Butterworth (of order N, 2 ≤ N ≤ 10) receiver filter, the BER performance is found to degrade by only a small fraction of a decibel from the performance with ideally matched receiver filters. A 4th-order Butterworth receiver filter leads to BER curves which almost coincide with those of the ideally matched filtering condition.
Source Title: IEICE Transactions on Communications
ISSN: 09168516
Appears in Collections:Staff Publications

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