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The intention of this paper is to study the impact of the spatial correlation between transmit antennas on the performance of multiuser system in the downlink. Exact expressions for the average channel capacity of the multiuser diversity systems combined with transmit diversity are derived, and based on this, average capacity is analyzed. The simulation results are consistent with the analysis results,...
This paper focuses on TCP fairness over WLAN and proposes a new active queue management (TFBR) to solve the TCP unfairness between TCP upstream flows and downstream flows. The proposed TFBR modifies the drop tail, and controls the sender rate by setting the advertised receiver window of the packets in queue of the access point (AP) before executing drop tail program. The key point of the scheme is...
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