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Slow-Link Adaptation Algorithm for Multi-source Multi-relay Wireless Networks Using Best-Response Dynamics

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Network Games, Control and Optimization (NETGCOOP 2021)

Part of the book series: Communications in Computer and Information Science ((CCIS,volume 1354))

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Abstract

In this paper, we propose a link adaptation algorithm for slow-fading half-duplex orthogonal multiple access multiple relay channel under a centralized node scheduling approach. During the first phase, the sources transmit in turn. During the second phase, a scheduled node (relay or source) transmits incremental redundancies on its correctly decoded source messages. The proposed algorithm aims at maximizing the average spectral efficiency under individual QoS targets for a given modulation and coding scheme family. The main principle of the algorithm is to reduce the complexity, and this is achieved using Best-Response Dynamics (BRD) tools. The rates are first initialized and then an iterative rate correction is applied. The resulting scheduling offers a tractable complexity under practical knowledge of channel states and yields performance close to the corresponding exhaustive search approaches as demonstrated by Monte-Carlo simulations.

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Correspondence to Ali Al Khansa .

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Al Khansa, A., Cerovic, S., Visoz, R., Hayel, Y., Lasaulce, S. (2021). Slow-Link Adaptation Algorithm for Multi-source Multi-relay Wireless Networks Using Best-Response Dynamics. In: Lasaulce, S., Mertikopoulos, P., Orda, A. (eds) Network Games, Control and Optimization. NETGCOOP 2021. Communications in Computer and Information Science, vol 1354. Springer, Cham. https://doi.org/10.1007/978-3-030-87473-5_5

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  • DOI: https://doi.org/10.1007/978-3-030-87473-5_5

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-87472-8

  • Online ISBN: 978-3-030-87473-5

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