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This paper investigates the interaction between end-to-end flow control and MAC-layer scheduling onwireless links. We consider a wireless network with multiple users receiving information from a commonaccess point; each user suffers fading, and a scheduler allocates the channel based on channel quality,but subject to fairness and latency considerations. We show that the fairness property of the scheduler iscompromised by the transport layer flow control of TCP NewReno. We provide a receiver-side controlalgorithm, CLAMP, that remedies this situation. CLAMP works at a receiver to control a TCP sender bysetting the TCP receiver' s advertised window limit, and this allows the scheduler to allocate bandwidth fairlybetween the users.
wireless communications, wireless networks, TCP, Transmission Control Protocol, active queue management, multiuser diversity, scheduling, flow control, access networks

R. G. Mukhtar, S. V. Hanly and L. L. Andrew, "Active Queue Management for Fair Resource Allocation in Wireless Networks," in IEEE Transactions on Mobile Computing, vol. 7, no. , pp. 231-246, 2007.
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