Active queue management for fair resource allocation in wireless networks

Lachlan L H Andrew*, Stephen V. Hanly, Rami G. Mukhtar

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

28 Citations (Scopus)


This paper investigates the interaction between end-to-end flow control and medium access control (MAC)-layer scheduling on wireless links. We consider a wireless network with multiple users receiving information from a common access point; each user suffers fading and a scheduler allocates the channel based on channel quality but is subject to fairness and latency considerations. We show that the fairness property of the scheduler Is compromised by the transport-layer flow control of Transmission Control Protocol (TCP) New Reno. We provide a receiver-side control algorithm, CLAMP, that remedies this situation. CLAMP works at a receiver to control a TCP sender by setting the TCP receiver's advertised window limit, and this allows the scheduler to allocate bandwidth fairly between the users.

Original languageEnglish
Pages (from-to)231-246
Number of pages16
JournalIEEE Transactions on Mobile Computing
Issue number2
Publication statusPublished - Feb 2008
Externally publishedYes


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