An iterative algorithm for downlink multi-cell beam-forming

Le, Tuan Anh ORCID logoORCID: and Nakhai, Mohammad Reza (2011) An iterative algorithm for downlink multi-cell beam-forming. IEEE Global Telecommunications Conference (GLOBECOM) . pp. 1-6. ISSN 1930-529X [Article] (doi:10.1109/GLOCOM.2011.6133913)


In this paper, we address the problem of severe performance degradation of cell-edge users in conventional cellular networks via multicell processing with improved spectral efficiency. Using uplink-downlink duality, we propose an iterative multicell beamforming algorithm that minimises the total transmit power within a virtual cell of 3 adjacent sectors of 3 neighbouring BSs. We derive and employ a channel model that includes the angular spread caused by random local scatterers in the vicinity of a user. Simulation results confirm that the proposed algorithm converges fast to the optimal solution.

Item Type: Article
Research Areas: A. > School of Science and Technology > Computer and Communications Engineering
Item ID: 16897
Depositing User: Tuan Le
Date Deposited: 08 Jun 2015 08:49
Last Modified: 13 Oct 2016 14:35

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