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In this paper, we investigate the interference alignment (IA) for the multiple-input–multiple-output (MIMO) multicell downlink networks in the context of a square channel matrix. We propose a novel joint user grouping and base station (BS) association algorithm. Furthermore, we design the transmit and receive beamforming matrices in closed forms by using a generalized eigenvalue decomposition (GEVD)-based...
The emerging Machine-to-machine (M2M) communications are posing serious challenges to cellular network systems. When a high number of M2M devices try to send data almost simultaneously, the air interface congestion would result in significant quality of service degradation in conventional Humanto- Human (H2H) communications. To solve this problem, an uplink intercell coordination admission control...
Channel assignment is a significant challenge due to scarcity of number of channels available in multi-channel multi-radio Ad Hoc networks. Meanwhile, traffic allocation is a problem worthy of research especially in the situation that different traffic demands for different users. In this paper, we formulate the problem of joint channel and traffic assignment as a static non-cooperative game with...
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