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Blind separation of multiple co-channel BPSK signals arriving at an antenna array

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3 Author(s)
Anand, K. ; Dept. of Electr. Commun. Eng., Indian Inst. of Sci., Bangalore, India ; Mathew, G. ; Reddy, V.U.

In this letter, we propose a method for blind separation of d co-channel BPSK signals arriving at an antenna array. Our method involves two steps. In the first step, the received data vectors at the output of the array is grouped into 2/sup d/ clusters. In the second step, we assign the 2/sup d/ d-tuples with /spl plusmn/1 elements to these clusters in a consistent fashion. From the knowledge of the cluster to which a data vector belongs, we estimate the bits transmitted at that instant. Computer simulations are used to study the performance of our method.<>

Published in:
Signal Processing Letters, IEEE  (Volume:2 ,  Issue: 9 )

Date of Publication: Sept. 1995

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