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Relaying is generally considered as a method to ensure capacity improvement and coverage extension in cellular systems. The additional communication traffic between a mobile station and a relay intermediately inserted into a link between RUE and BS requires additional considerations on HARQ protocol. In this paper, we propose a method to jointly and dynamically balance the maximum number of transmissions...
Base station cooperation (BSC) has been identified as a key radio access technology for next-generation cellular networks such as LTE-Advanced. BSC maximizes its gains over non-cooperation (NC) in a network wherein interference from cooperating BSs is the main limitation. However, at locations where the signals from non-cooperating BSs are the dominant interference, the gains are minimal. Therefore,...
Decentralized base station (BS) assignment methods with limited backhaul information exchange are proposed to be combined with decentralized optimal multi-cell minimum power beamforming and Zero-Forcing (ZF) beamforming techniques. The aim of the combined BS assignment and downlink beamforming is to minimize sum power while guaranteeing a minimum SINR per user. A major finding is that a simple ZF...
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