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- W2149472020 abstract "In this paper, the maximum signal-to-interference-plus-noise ratio (MSINR) beamforming problem in antenna-array CDMA systems is considered. In this paper, a modified MSINR criterion presented in a previous paper is interpreted as an unconstrained scalar cost function. By applying recursive least squares (RLS) to minimize the cost function, a novel blind adaptive beamforming algorithm to estimate the beamforming vector, which optimally combines the desired signal contributions from different antenna elements while suppressing noise and interference, is derived. Neither the knowledge of the channel conditions (fading coefficients, signature sequences and timing of interferers, statistics of other noises, etc.) nor training sequence is required. Compared with previously published adaptive beamforming algorithms based on the stochastic-gradient method, it has faster convergence and better tracking capability in the time-varying environment. Simulation results in various signal environments are presented to show the performance of the proposed algorithm." @default.
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- W2149472020 date "2006-03-01" @default.
- W2149472020 modified "2023-09-26" @default.
- W2149472020 title "Fast Adaptive Blind Beamforming Algorithm for Antenna Array in CDMA Systems" @default.
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- W2149472020 doi "https://doi.org/10.1109/tvt.2005.863419" @default.
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