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In this paper, we are interested in blind and semi-blind identification of multiple-input multiple-output (MIMO) channel for orthogonal frequency division multiplexing (OFDM) systems. Using the sparsity property of wireless channel impulse response, we propose an iterative method which minimizes a cost function to result from the combination of blind or semi-blind criterion and the lp norm. This norm...
A novel de-centralized dynamic inter-cell interference coordination (ICIC) method, which can change cell-edge bands dynamically by using an X2 interface and can be applied to current downlink long-term evolution (LTE) systems, is proposed. This dynamic ICIC method can autonomously optimize fractional frequency reuse (FFR) parameters and thus increase throughput. In addition, it works well even in...
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