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Fast-acquisition algorithm for joint maximum-likelihood data and bit synchronization epoch estimation in burst direct-sequence spread-spectrum transmission

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2 Author(s)
Rezeanu, S.-C. ; Dept. of Electr. & Comput. Eng., Colorado Univ., Colorado Springs, CO, USA ; Ziemer, R.E.

We develop a fast-acquisition simplified joint maximum-likelihood (ML) estimation algorithm of the bit synchronization epoch and data bit values for a short-burst direct-sequence spread-spectrum (DSSS) transmission, in a white Gaussian noise environment. With respect to the optimal algorithm, the simplified procedure reduces the computational cost by more than one order of magnitude at no accuracy expense for carrier-to-noise ratios (CNRs) above 35 dB/spl middot/Hz.

Published in:
Communications Letters, IEEE  (Volume:2 ,  Issue: 2 )

Date of Publication: Feb. 1998

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