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The orthogonal random beamforming is a practical scheme to increase the throughput of the MIMO system significantly. But the fairness allover the subscribers is the weak point. In this paper, the proportional fair scheduling scheme is introduced to the ORBF scheme for the multi-user MIMO systems and two adaptive proportional fair scheduling schemes are proposed to increase the throughput of the subscribers...
For downlink MU-MIMO systems, The BD-GMD scheme is an optimal precoding scheme. Because the number of simultaneously supportable users of BD-GMD scheme is limited by the mininum of the numbers of transmitting and receiving antennae. In a downlink MU-MIMO system with a large number of users, the base station may choose a subset of users to serve simultaneously in order to maximize the total throughput...
A novel palmprint feature extraction method is proposed by using the Weight Coding Based Non-negative Sparse Coding (WCBNNSC). The WCBNNSC algorithm can model the respective field of V1 in the primary visual system of brain. And this algorithm includes more image information than the early Non-negative Sparse Coding (NNSC). Utilizing the WCBNNSC algorithm, the feature basis vectors of palmprint images...
Cooperative communication is an efficient method to combat wireless channel fading and to increase system throughput in future board communication. Through physical layer networking coding(PNC)modulation, two-way relaying has been shown to improve the network capacity significantly. However for power-constraints application, the performance of two-way relaying is actually inferior to one-way relaying...
In MIMO systems, the multi-user diversity is exploited by always scheduling the subscribers whose channel conditions are almost in their peaks. The throughput of system is increased but the fairness is ignored, even some subscribers will be "starvation". In this paper, the fairness of the MIMO systems is concerned and two adaptive proportional fair scheduling schemes based on opportunistic...
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