Nonlinear space-time multiuser detector for non-Gaussian channels

  1. Lookup NU author(s)
  2. Adel Hmidat
  3. Professor Bayan Sharif
  4. Dr Wai Lok Woo
Author(s)Hmidat AM, Sharif BS, Woo WL, Jimma SA
Publication type Conference Proceedings (inc. Abstract)
Conference Name9th International Symposium on Computers and Communications (ISCC 2004)
Conference LocationAlexandria, Egypt
Year of Conference2004
Source Publication Date28 June-1 July 2004
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A space-time nonlinear receiver for a DS-CDMA synchronous channel is proposed for jointly mitigating impulsive noise and multiple access interference. The proposed scheme combines linear decorrelators and antenna arrays with nonlinear front ends based on the affinity matched myriad nonlinear filter. This myriad (log Cauchy) filter is incorporated to combat the impulsive noise and prevent it from entering the system. The proposed detector also incorporates a structure for estimating the impulsive noise parameter in order to update a filter parameter called the nonlinearity parameter. Monte Carlo simulation results of the proposed space-time receiver are presented to justify the relative merits of nonlinear signal processing in the space-time domain. (9 References).
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