Optimal 100% Excess Bandwidth Signaling in Cochannel Interference

The problem of transmitter-receiver (T-R) filter design for detection of a binary phase-shift keying signal in asynchronous cochannel interference and Gaussian noise is considered. It is shown that maximum signal-to-interference-plus-noise ratio (SINR) can be achieved only if the T-R filters have a...

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Bibliographic Details
Published in:IEEE communications letters 2007-05, Vol.11 (5), p.375-377
Main Authors: Rabiei, A.M., Beaulieu, N.C., Rahimzadeh, P.D.
Format: Article
Language:English
Subjects:
Applied sciences
Bandwidth
Cochannel interference
Design engineering
Error probability
Exact sciences and technology
Filters
Gaussian
Gaussian noise
Information, signal and communications theory
Interchannel interference
Modulation, demodulation
Noise
Optimization
Phase detection
Phase shift keying
Radiocommunications
Roots
Signal and communications theory
Signal design
Signal to noise ratio
Switching and signalling
Systems, networks and services of telecommunications
Telecommunications
Telecommunications and information theory
Time measurements
Timing
Transmission and modulation (techniques and equipments)
Transmitters. Receivers
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Description
Summary:The problem of transmitter-receiver (T-R) filter design for detection of a binary phase-shift keying signal in asynchronous cochannel interference and Gaussian noise is considered. It is shown that maximum signal-to-interference-plus-noise ratio (SINR) can be achieved only if the T-R filters have a flat spectrum with 100% excess bandwidth. The bit error probability (BEP) performance of a system with the proposed filters is compared to that of a system with conventional root raised-cosine filters both for perfect and imperfect timing recovery cases. It is shown that the proposed filter design is superior to the conventional root raised-cosine filters both in having larger SINR and smaller BEP
ISSN:1089-7798
1558-2558
DOI:10.1109/LCOMM.2007.061985