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Hybrid DS/SFH-SSMA with diversity coding and power control over mobile radio fading channels

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2 Author(s)
Correia, A.M.C. ; Dept. de Engenharia Electrotecnica e de Comput., Inst. Superior Tecnico, Lisbon, Portugal ; Albuquerque, A.A.

Presents a general method based on the concept of circularly symmetric signals for the evaluation of the average probability of error of uncoded asynchronous noncoherent direct-sequence/slow-frequency-hopped spread spectrum multiple-access (DS/SFH-SSMA) communications over cellular dispersive fading channels. This method provides an accurate approximation and a tight upper bound to the bit error probability of binary FSK over nonselective and selective fading channels, respectively. The authors consider a general class of wide-sense-stationary uncorrelated-scattering (WSSUS) fading channel. The Gaussian approximation method is also presented. Imperfect power-control diversity with square law combining and simple interleaved channel coding are employed for improving the BER performance

Published in:

Global Telecommunications Conference, 1993, including a Communications Theory Mini-Conference. Technical Program Conference Record, IEEE in Houston. GLOBECOM '93., IEEE

Date of Conference:

29 Nov-2 Dec 1993

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