In this paper we propose and evaluate multicell coordinated beamforming schemes for the downlink of MISO-OFDM systems. The precoders are designed in two phases: first the precoder vectors are computed in a distributed manner at each BS considering two criteria, namely distributed zero-forcing and virtual signal-to-interference noise ratio. Then the system is optimized through distributed power allocation under ...
Portuguese CADWIN - PTDC/EEA TEL/099241/2008 ; Portuguese Foundation for Science and Technology (FCT)
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