Title :
A fast algorithm for the blind separation of digital co-channel signals
Author :
Hansen, Lars K. ; Xu, Guanghan
Author_Institution :
Dept. of Electr. & Comput. Eng., Texas Univ., Austin, TX, USA
Abstract :
We propose a fast sequential-estimation algorithm for separating multiple co-channel digital signals using an antenna array with unknown array response. We present simulation results comparing speed and BER performance with an existing fast simultaneous estimation algorithm, ILSP. The new algorithm proves to be faster with only a modest degradation in BER. In addition, convergence speed is very robust with respect to additive noise.
Keywords :
antenna arrays; array signal processing; cochannel interference; digital signals; noise; sequential estimation; BER degradation; BER performance; ILSP; additive noise; antenna array; array response; blind separation; convergence speed; digital co-channel signals; fast sequential-estimation algorithm; modified hypercube algorithm; simulation; speed; Additive noise; Antenna arrays; Binary phase shift keying; Bit error rate; Computational modeling; Convergence; Degradation; Eigenvalues and eigenfunctions; Gaussian noise; Noise robustness;
Conference_Titel :
Signals, Systems and Computers, 1996. Conference Record of the Thirtieth Asilomar Conference on
Conference_Location :
Pacific Grove, CA, USA
Print_ISBN :
0-8186-7646-9
DOI :
10.1109/ACSSC.1996.601084
