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Both Multiple Input and Multiple Output (MIMO) and Smart Antenna (SA) have been widely accepted as promising schemes to improve the spectrum efficiency and coverage of mobile communication systems. This paper addresses the issue of Direction of Arrival (DOA) estimation in Virtual MIMO (VMIMO) systems which adopt SA simultaneously. First of all, we propose a VMIMO scheme for DOA estimation in which...
Significant throughput gains and system fairness can be obtained by employing scheduling schemes based on precoding techniques. However, QoS guarantee requirements are seldom taken into account. In this paper, we propose a downlink scheduling algorithm for QoS-guaranteed services in multi-user multiple-input multiple-output (MIMO) systems with limited feedback. The proposed algorithm combines stream...
Although significant throughput gains and system fairness can be obtained by slot-based scheduling algorithms, the corresponding complexities are considerable. In this paper, we propose a region-based downlink scheduling algorithm for QoS-guaranteed services in multi-user multiple-input multiple-output (MIMO) precoding systems. In contrast with conventional slot- based scheduling, region-based scheduling...
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