PROJECT TITLE :
An Efficient Algorithm for Zero-Forcing Coordinated Beamforming
The matter of beam tracking for zero-forcing coordinated beamforming in multiple-cell time-varying multiple-input multiple-output channels is considered. Based mostly on null-space perturbation theory, an efficient update algorithm for block-diagonalization-based zero-forcing coordinated beam design is proposed and its performance is analyzed. In slowly-varying channels, the proposed algorithm well tracks the zero-forcing beam answer and significantly reduces computational complexity by merely updating beamforming matrices rather than redesigning them with new channel state information at every time step.
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