Rate Control for Delay-Sensitive Traffic in Multihop Wireless Networks

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The authors propose two multipath rate control algorithms that guarantee bounded end-to-end delay in multihop wireless networks. Their work extends the previous research on optimal rate control and scheduling in multihop wireless networks, to support inelastic delay requirements. Using the relationship between dual variables and packet delay, they develop two alternative solutions that are independent from any queuing model assumption, contrary to the previous research. In the first solution, they derive lower bounds on source rates that achieve the required delay bounds.