An algorithm is described for initial synchronization in a communication system with a digital adaptive array. This algorithm can also be used for message extraction. A set of consecutive complex video samples of the array output is processed to obtain optimum adaptive array weights, based on a least mean square (LMS) error criterion. This computation is performed for each of the possible alternative signals which may be present during an observation interval. The correct synchronization time or message symbol is selected as the one which yields the minimum LMS error. Assuming orthogonality of the alternative codes, a probability distribution for the output of this processor has been derived.
An Adaptive Array Signal Processing Algorithm for Communications
IEEE Transactions on Aerospace and Electronic Systems ; AES-18 , 1 ; 124-130
1982-01-01
1692678 byte
Article (Journal)
Electronic Resource
English
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