The error performance of Gray encoded QPSK and 8-PSK schemes in a fading channel with cochannel interference

The error performance of Gray encoded QPSK and 8-PSK schemes in a fading channel with cochannel interference

Closed-form BER (bit error rate) expressions are derived for Gray-encoded QPSK (quadrature phase shift keying) and 8-PSK schemes using coherent detection in a slow Rayleigh fading narrowband channel with fading cochannel interference. Earlier work has been limited to deriving the approximate BER usi...

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Veröffentlicht in:IEEE transactions on communications 1993-12, Vol.41 (12), p.1773-1776
Hauptverfasser: Krishnamurthi, R., Gupta, S.C.
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Baseband
Bit error rate
Error analysis
Exact sciences and technology
Information, signal and communications theory
Interchannel interference
Modulation, demodulation
Narrowband
Phase detection
Phase shift keying
Pulse modulation
Quadrature phase shift keying
Rayleigh channels
Signal and communications theory
Telecommunications and information theory
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Zusammenfassung:Closed-form BER (bit error rate) expressions are derived for Gray-encoded QPSK (quadrature phase shift keying) and 8-PSK schemes using coherent detection in a slow Rayleigh fading narrowband channel with fading cochannel interference. Earlier work has been limited to deriving the approximate BER using the canonical Stein (1961) receiver concept. The symbol error rate (SER) for the QPSK scheme is also derived. The desired signal and the cochannel interferer are both PSK signals, modulated by different baseband pulses with identical signaling rate.< >
ISSN:0090-6778
1558-0857
DOI:10.1109/26.250824