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Near far robust time delay estimation for asynchronous DS-CDMA systems with bandlimited pulse shapes

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2 Author(s)
T. Ostman ; Signal Process., R. Inst. of Technol., Stockholm, Sweden ; B. Ottersten

An algorithm for time delay estimation in an asynchronous direct-sequence code-division multiple access (DS-CDMA) system with bandlimited signals in a near-far scenario (no tight power control) is presented. The algorithm, which is a modified MUSIC algorithm, is validated through simulations and asymptotic analysis (large number of vector samples) for a square-root raised cosine pulse. It is shown that the algorithm has performance very similar to the case with rectangular pulses and hence it is near-far resistant

Published in:

Vehicular Technology Conference, 1998. VTC 98. 48th IEEE  (Volume:2 )

Date of Conference:

18-21 May 1998