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Nodes in wireless Ad Hoc networks often encounter spatially-correlated contention, where multiple nodes in the same neighborhood all sense an event they need to transmit information about. The IEEE 802.11 DCF protocol can lead to severe unfairness, i.e., some nodes seize the whole channel capacity while others are starved. It is found that the main reason lies in the unfairness of MAC (media access...
This paper proposed an adaptive video transmission control scheme in wireless networks. The first job is how to reduce the amount of the image data that must be transmitted on the wireless channel. We compare the deviation of two consecutive frames in the video stream and decide whether or not the follow-up frame should be transmitted. If the deviation of two consecutive frames not reach the threshold,...
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