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An improved MUSIC algorithm for estimation of time delays in asynchronous DS-CDMA systems

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3 Author(s)
Ostman, T. ; Dept. of Signals, Sensors, & Syst., R. Inst. of Technol., Stockholm, Sweden ; Parkvall, S. ; Ottersten, B.

The problem of near-far resistant time-delay estimation in an asynchronous direct-sequence code-division multiple-access system is considered, and by better exploiting the structure of the problem, estimators superior to previously known techniques are obtained. For a typical numerical example, a gain in signal-to-noise ratio of approximately 3 dB is obtained

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Communications, IEEE Transactions on  (Volume:47 ,  Issue: 11 )