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Joint space-time channel parameter estimation for DS-CDMA system in multipath Rayleigh fading channels

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2 Author(s)
Wang, K. ; Dept. of Electr. & Comput. Eng., New Jersey Inst. of Technol., Newark, NJ, USA ; Ge, H.

An approximate maximum likelihood method for joint estimation of time delays and directions-of-arrival for direct-sequence code-division multiple-access systems over multipath Rayleigh fading channels is presented. To reduce the computational complexity, the multi-dimensional maximisation problem is transformed into two simple one-dimensional maximisation problems using an iterative scheme. To illustrate the performance, simulation results are compared with Cramer-Rao bounds

Published in:

Electronics Letters  (Volume:37 ,  Issue: 7 )

Date of Publication:

29 Mar 2001

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