New bounds on RAKE structures for DS-CDMA over frequency-selective Rayleigh fading channels
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An upper bound is derived for the probability of error in an asynchronous binary direct-sequence spread-spectrum multiple-access communications system operating over frequency selective Rayleigh fading channels. A coherent RAKE receiver with predetection selective diversity combining is considered. The performance of a multipath-combining receiver is determined for the case of multiple interfering transmitters. Furthermore, the performance of the system is determined in terms of parameters of the signature sequences. These parameters can be used as guides in selecting sequences for the system. The bounds agree with the exponential portion of a normal distribution in which the interfering interference components subtract from the signal amplitude. The results obtained are verified by simulation.
CitacióCalvo, S., Vazquez, G. New bounds on RAKE structures for DS-CDMA over frequency-selective Rayleigh fading channels. A: IEEE Workshop on Statistical Signal and Array Processing. "SSAP 1996: 8th Workshop on Statistical Signal and Array Processing: Corfu, Greece: June 24-26, 1996". IEEE, 1996, p. 517-520.
Versió de l'editorhttp://ieeexplore.ieee.org/document/534928/