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On MMSE real-time antenna array processing using fourth-order statistics in the US cellular TDMA system

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1 Author(s)
M. Martone ; Telecommun. Group, Watkins-Johnson Co., Palo Alto, CA, USA

The antenna array processing problem in the reverse link of the current US digital cellular communication system is studied and higher than second-order statistics (HOS) baseband processing is proposed as a possible candidate solution. The approach, based on the minimization of the mean squared error using fourth-order cumulants alone, is non-blind because the knowledge of the synchronization sequences of the IS-136 system is fully exploited. A recursive total least squares algorithm is used in the adaptive implementation to mitigate the effects of high error variance in the estimates of the cumulants based on sample-statistics. The method is very effective in a fast fading environment and strong cochannel interference

Published in:

Communications, 1998. ICC 98. Conference Record. 1998 IEEE International Conference on  (Volume:3 )

Date of Conference:

7-11 Jun 1998