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In the cooperative system with a large number of users, the base station may select a subset of users to serve in order to maximize the total throughput. The brute-force search for the optimal user set, however, is computationally prohibitive. We propose a clustering algorithm for cooperative communication systems, whose objective is to increase the cellular network throughput and further improve...
Since the intra-cell interference can be nearly eliminated by OFDM, the inter-cell interference (ICI) has dominated the cellular networks and greatly degraded the system performance. In this paper, an ICI reduction method based on signal autocorrelation is proposed. In this method, the transmission signals from different cells may overlap in time and frequency, but they are processed to have linearly...
We propose two fixed power allocation schemes with nulling (FPA-N1 and FPA-N2) for time division duplex (TDD) based cellular uplink according to the location of mobile stations (MSs). In the FPA-N1 scheme, MSs located near a base station (BS) do not transmit data when the wireless channels between the MSs and their home cell BS experience deep fading. In the FPA-N2 scheme, MSs located near cell boundaries...
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