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In this paper, we propose an user-oriented graph based frequency allocation algorithm for downlink transmission in the heterogeneous network. As different users may use different communication service, they would have different data rate requirement. It is critical to fulfill all users' traffic demand before enlarging the system throughput. So, the optimization objective is simultaneously improving...
In this paper, a joint control method for the user association and almost blank sub-frame (ABSF) based interference coordination (IC) technique in heterogeneous cellular networks is proposed. The optimization objective is simultaneously improving system throughput and guaranteeing proportionally fairness. Usually, user and base station (UE-BS) association is performed before ABSF rate determination,...
In point to point MIMO systems, uniform channel decomposition (UCD) has been proven to be optimal in BER performance and strictly capacity lossless when perfect channel state information (CSI) are assumed to be available at both the transmitter and receiver side. However, in practice, CSI is always contaminated by channel estimation error. In this paper, we proposed a novel Robust UCD scheme which...
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