Equation-based congestion control for unicast applications
Proceedings of the conference on Applications, Technologies, Architectures, and Protocols for Computer Communication
Performance evaluation of UDP lite for cellular video
NOSSDAV '01 Proceedings of the 11th international workshop on Network and operating systems support for digital audio and video
Markov-based modeling of wireless local area networks
MSWIM '03 Proceedings of the 6th ACM international workshop on Modeling analysis and simulation of wireless and mobile systems
End-to-end differentiation of congestion and wireless losses
IEEE/ACM Transactions on Networking (TON)
Designing DCCP: congestion control without reliability
Proceedings of the 2006 conference on Applications, technologies, architectures, and protocols for computer communications
Passing corrupt data across network layers: an overview of recent developments and issues
EURASIP Journal on Applied Signal Processing
Bit-error resilient packetization for streaming h.264/avc video
Proceedings of the international workshop on Workshop on mobile video
Performance evaluation of packet loss differentiation algorithms for wireless networks
Proceedings of the 2nd ACM workshop on Performance monitoring and measurement of heterogeneous wireless and wired networks
Subjective impression of variations in layer encoded videos
IWQoS'03 Proceedings of the 11th international conference on Quality of service
Analysis on the perceptual impact of bit errors in practical video streaming applications
IMSAA'09 Proceedings of the 3rd IEEE international conference on Internet multimedia services architecture and applications
H.264/AVC video for wireless transmission
IEEE Wireless Communications
A Two-Phase Loss Differentiation Algorithm for Improving TFRC Performance in IEEE 802.11 WLANs
IEEE Transactions on Wireless Communications
Streaming video over the Internet: approaches and directions
IEEE Transactions on Circuits and Systems for Video Technology
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Traditionally, congestion control in packet networks is performed by reducing the transmission rate when congestion is detected, in order to cut down the traffic that overwhelms the capacity of the network. However, if the bottleneck is a wireless link, congestion is often cumulated because of retransmissions derived from bit errors. In this case, it might be beneficial to allow delivery of partly corrupted packets up to the application layer instead of reducing the transmission rate. This would decrease the number of retransmissions in the link layer and therefore relieve congestion, but at the cost of bit errors appearing in the packet payload. In this paper, we study a congestion control mechanism for streaming applications that combines traditional congestion control with selective link layer partial checksumming allowing bit errors in the less sensitive parts of data. We have compared the performance of the proposed mechanism against traditional congestion control with a simulation study. The results show that the proposed approach can improve the overall performance both by increasing the throughput over the wireless and improving the video quality in terms of peak signal-to-noise ratio (PSNR) by up to 8dB, depending on the error conditions and the content.