NDLI: Effect of imperfect phase and timing synchronization on the error rate performance of PSK modulations

Content Provider	IEEE Xplore Digital Library
Author	Vitthaladevuni, P.K. Alouini, M.-S.
Copyright Year	2002
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Minnesota Univ., USA (Vitthaladevuni, P.K.; Alouini, M.-S.)
Abstract	A great deal of attention has been devoted in the recent literature to the study of the symbol error rate (SER) and bit error rate (BER) performance of phase shift keyed (PSK) constellations due to their high spectral efficiency and constant envelope nature. It is well known that an error in phase or timing synchronization affects the probability of correct decisions at the receiver. This problem becomes much more significant as data rates increase and the corresponding symbol durations decrease. We look into this problem and analyze the exact SER and BER performance of uniform and hierarchical PSK constellations under imperfect phase or timing synchronization over additive white Gaussian noise (AWGN) channels. These expressions are in the form of a weighted sum of Pawula functions and are solely dependent on the constellation size, M, the carrier-to-noise ratio (CNR), the phase/timing error, and, for the case of hierarchical constellations, a priority vector which controls the relative message importance. Because of their purely exponential dependence on the CNR, these expressions can easily be generalized to fading conditions with and without diversity reception. In addition, due to their generic nature, these new expressions readily allow numerical evaluation for various cases of practical interest.
Starting Page	356
Ending Page	360
File Size	326161
Page Count	5
File Format	PDF
ISBN	0780374673
ISSN	10903038
DOI	10.1109/VETECF.2002.1040364
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-09-24
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Timing Error analysis Phase shift keying Phase modulation Bit error rate Error correction AWGN Performance analysis Additive white noise Size control
Content Type	Text
Resource Type	Article

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