Abstract
In this paper, we use RTP/RTCP over unreliable UDP to realize the transportation of real time streaming. Meanwhile, according to the transmission feedback and network parameters, we analyze and calculate the network delay, packet loss and RTT (round trip time) to determine the network state. Finally, we propose a streaming media transmission control scheme which could sense the network state and quickly adjust the rate of the sending side. It takes congestion, packet loss rate into comprehensive consideration and improves the overall performance of 3G network stream media.
Highlights
With the development of wireless network, a variety of applications based on that come into live
We use RTP/RTCP over unreliable UDP to realize the transportation of real time streaming
Our focus is to design a rate control mechanism considering the packet loss rate and RTT which can adjust the sender behavior smoothly and when congestion happens we can detect, classify and control it, we may get a higher utilization of the networks, improve the throughput and increase the packet successful delivery rate of the wireless networks
Summary
With the development of wireless network, a variety of applications based on that come into live. As the development of the wired network is already quite mature, most of the current wireless applications are built in the IP packet network based on heterogeneous wireless-wired hybrid network in which two main error types may affect the quality of stream media when we transfer media data [4,5]. They are congestion error in wired network and burst interference error in wireless channel. Our focus is to design a rate control mechanism considering the packet loss rate and RTT which can adjust the sender behavior smoothly and when congestion happens we can detect, classify and control it, we may get a higher utilization of the networks, improve the throughput and increase the packet successful delivery rate of the wireless networks
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