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Distributed Call Scheduling in Wireless Networks

Jean-Claude Bermond 1 Dorian Mazauric 1, 2 Vishal Misra 3 Philippe Nain 2
1 MASCOTTE - Algorithms, simulation, combinatorics and optimization for telecommunications
CRISAM - Inria Sophia Antipolis - Méditerranée , Laboratoire I3S - COMRED - COMmunications, Réseaux, systèmes Embarqués et Distribués
2 MAESTRO - Models for the performance analysis and the control of networks
CRISAM - Inria Sophia Antipolis - Méditerranée
Abstract : This work investigates distributed transmission scheduling in wireless networks. Due to interference constraints, "neighboring links'' cannot be simultaneously activated, otherwise transmissions will fail. Here, we consider any binary model of interference. We follow the model described by Bui, Sanghavi, and Srikant in SBS09,SBS07. We suppose that time is slotted and during each slot we have two phases: one control phase which determines what links will be activated and send data during the second phase. We assume random arrivals on each link during each slot, therefore a queue is associated to each link. Since nodes do not have a global knowledge of the network, our aim (like in SBS09,SBS07) is to design for the control phase, a distributed algorithm which determines a set of non interfering links. To be efficient the control phase should be as short as possible; this is done by exchanging control messages during a constant number of mini-slots (constant overhead). In this article we design the first fully distributed local algorithm with the following properties: it works for any arbitrary binary interference model; it has a constant overhead (independent of the size of the network and the values of the queues); and it needs no knowledge. Indeed contrary to other existing algorithms, we do not need to know the values of the queues of the "neighboring links'', which are difficult to obtain in a wireless network with interference. We prove that this algorithm gives a maximal set of active links (in each interference set, there is at least one active edge). We also give sufficient conditions for stability under Markovian assumptions. Finally the performance of our algorithm (throughput, stability) is investigated and compared via simulations to that of previously proposed schemes.
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Submitted on : Saturday, November 21, 2009 - 10:39:41 AM
Last modification on : Thursday, January 20, 2022 - 4:13:36 PM
Long-term archiving on: : Saturday, November 26, 2016 - 4:56:47 PM


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  • HAL Id : inria-00345669, version 3



Jean-Claude Bermond, Dorian Mazauric, Vishal Misra, Philippe Nain. Distributed Call Scheduling in Wireless Networks. [Research Report] RR-6763, INRIA. 2008. ⟨inria-00345669v3⟩



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