A Decentralized Downlink Beamforming Algorithm for Multicell Processing

Provided by: King's College London
Topic: Mobility
Format: PDF
In this paper, the authors tackle the problem of intercell-interference in the absence of cooperation amongst Base Stations (BSs). The problem originates from the simultaneous transmissions of several BSs to their local users within their corresponding cells using the same frequency band. They propose a decentralized downlink beamforming scheme in cellular interference channels so that individual BSs can independently design their own beamforming vectors based on the locally attainable second order statistical channel state information at each BS.

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