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A general scheme for spectral efficiency evaluation of direct-sequence spread-spectrum systems

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2 Author(s)
Bystrom, M. ; Dept. of Electr. & Comput. Eng., Drexel Univ., Philadelphia, PA, USA ; Modestino, J.W.

Typically, spectral efficiency, the throughput in bits/second/hertz, has been evaluated for fixed values of the bit error probability. We introduce a cutoff-rate-based approach to evaluation of the spectral efficiency of direct-sequence spread-spectrum schemes so that the results are independent of specific bit error rates or channel codes. Results are shown for M-ary phase-shift keyed modulation on the slow-fading Rician channel

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Communications, IEEE Transactions on  (Volume:49 ,  Issue: 7 )