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Performance of DS/CDMA UWB communication systems in the presence of narrow-band interference and imperfect channel estimation

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2 Author(s)
da Silva, C.R.C.M. ; Dept. of Electr. & Comput. Eng., California Univ., San Diego, La Jolla, CA, USA ; Milstein, L.B.

This work considers the performance of a DS/CDMA system in the presence of narrow-band interference and imperfect channel estimation. A receiver based on MMSE channel estimation and maximum-likelihood data detection is assumed. An adaptive MMSE receiver, based on the LMS algorithm, is also explored. The performance of the DS/CDMA system is compared with that of a recently proposed UWB spectral-encoded system. The formulation and numerical results presented allow for a better understanding of the spectral overlay effects for UWB communication systems.

Published in:

Global Telecommunications Conference, 2004. GLOBECOM '04. IEEE  (Volume:1 )

Date of Conference:

29 Nov.-3 Dec. 2004