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Combined Rate and Power Allocation with Link Scheduling in Wireless Data Packet Relay Networks with Fading Channels

EURASIP Journal on Wireless Communications and Networking volume 2007, Article number: 024695 (2007) Cite this article

Abstract

We consider a joint rate and power control problem in a wireless data traffic relay network with fading channels. The optimization problem is formulated in terms of power and rate selection, and link transmission scheduling. The objective is to seek high aggregate utility of the relay node when taking into account buffer load management and power constraints. The optimal solution for a single transmitting source is computed by a two-layer dynamic programming algorithm which leads to optimal power, rate, and transmission time allocation at the wireless links. We further consider an optimal power allocation problem for multiple transmitting sources in the same framework. Performances of the resource allocation algorithms including the effect of buffer load control are illustrated via extensive simulation studies.

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Authors and Affiliations

  1. Department of Information Engineering, Research School of Information Sciences and Engineering, The Australian National University, Canberra, ACT, 0200, Australia

    Minyi Huang

  2. Department of Electrical and Electronic Engineering, University of Melbourne, Parkville, 3010, Victoria, Australia

    Minyi Huang & Subhrakanti Dey

Authors
  1. Minyi Huang
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  2. Subhrakanti Dey
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Correspondence to Subhrakanti Dey.

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Open Access This article is distributed under the terms of the Creative Commons Attribution 2.0 International License (https://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Huang, M., Dey, S. Combined Rate and Power Allocation with Link Scheduling in Wireless Data Packet Relay Networks with Fading Channels. J Wireless Com Network 2007, 024695 (2007). https://doi.org/10.1155/2007/24695

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  • DOI: https://doi.org/10.1155/2007/24695

Keywords

  • Fading Channel
  • Power Allocation
  • Relay Node
  • Optimal Power
  • Relay Network