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This work presents solutions to enhance the performance of urban cellular networks based on Multiple-Input Multiple-Output (MIMO) systems. First, some adjustments to the Base Stations (BSs) are proposed and evaluated, namely the reorientation of the antennas and two new placements of the BSs, while maintaining or even diminishing the number of required BSs. Afterwards, a cooperative wireless system...
This paper considers the use of a cooperative wireless communication system in order to enhance Multiple-Input Multiple-Output (MIMO) channel capacity. Within the cooperative system, a relay is selected by exploiting the MIMO spatial multiplexing feature in a simple and distributed approach, aiming at selecting the partner which yields the best MIMO capacity. The study is performed for a realistic...
In this paper the channel capacity of Multiple Input Multiple Output (MIMO) wireless systems within a Manhattan-like scenario is studied. Three Base Stations (BSs) placement models are proposed in this work, so as to enhance the channel capacity of the wireless system. The evaluation of the proposed BSs arrangements is performed using a simulator with realistic underlying models (test scenario, radio...
In this paper we discuss the use of a simple wireless cooperative system based on Multiple-Input Multiple-Output (MIMO) spatial multiplexing, in order to enhance the channel capacity of single antenna and multiple antenna terminals in microcellular systems. The proposed cooperative system is envisioned for technology that is already available on the market, it can be implemented in a transparent manner...
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