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Modern data centers host diverse HTTP-based services, which employ persistent TCP connections to send HTTP requests and responses. However, the ON/OFF pattern of HTTP traffic disturbs the increase of TCP congestion window, potentially triggering packet loss at the beginning of ON period. Furthermore, the transmission performance becomes worse due to severe congestion in the concurrent transfer of...
Device-to-Device communication (D2D) is a proximity based technique in Long Term Evolution-Advanced (LTE-A) systems. This technique can improve system throughput, but also may cause heavy intra-cell interference. In downlink transmission, the Base Station (BS) severely interferes with D2D pairs while D2D pairs reusing resources of cellular users. Therefore, D2D transmitters have to raise their power...
Given the explosive growth of cameras and LCDs in todays society, cameras get easy access to nearby LCDs and could be utilized for communication access based on visible light communication (V LC). However, there is still no prototype to implement two-way communications. Main challenge lies in the reflection noise since two screens of LCD and/or smartphone are in face-to-face position for two-way communications...
This paper proposes a novel and efficient distributed flow control scheme for multirate multicast (MR-M), based on the well-known Proportional Integral and Derivative (PID) controllers. The PID controller at each router computes its expected incoming rate and feed backs this rate to its upstream router, such that the local buffer occupancy can be stabilized at an appropriate value. We give the theoretical...
This paper proposes a framework which supports dynamic handoff decision strategy (DHDS) and software agent (SA) for highly overlapping wireless networks. SA can dynamically download SA from local mobility strategy server to mobile node, and hence adapt the handoff decision to local environment and situations. In our experiment, a comprehensive comparison has been conducted to show that the proposed...
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