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Energy-delay bounds analysis in wireless multi-hop networks with unreliable radio links

Ruifeng Zhang 1, * Jean-Marie Gorce 1, 2 Katia Jaffrès-Runser 1, 2, 3
* Corresponding author
2 ARES - Architectures of networks of services
Inria Grenoble - Rhône-Alpes, CITI - CITI Centre of Innovation in Telecommunications and Integration of services
Abstract : Energy efficiency and transmission delay are very important parameters for wireless multi-hop networks. Previous works that study energy efficiency and delay are based on the assumption of reliable links. However, the unreliability of the channel is inevitable in wireless multi-hop networks. This paper investigates the trade-off between the energy consumption and the end-to-end delay of multi-hop communications in a wireless network using an unreliable link model. It provides a closed form expression of the lower bound on the energy-delay trade-off for different channel models (AWGN, Raleigh flat fading and Nakagami block-fading) in a linear network. These analytical results are also verified in 2-dimensional Poisson networks using simulations. The main contribution of this work is the use of a probabilistic link model to define the energy efficiency of the system and capture the energy-delay trade-offs. Hence, it provides a more realistic lower bound on both the energy efficiency and the energy-delay trade-off since it does not restrict the study to the set of perfect links as proposed in earlier works.
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https://hal.inria.fr/inria-00306697
Contributor : Jean-Marie Gorce <>
Submitted on : Tuesday, July 29, 2008 - 9:31:11 AM
Last modification on : Wednesday, October 14, 2020 - 12:18:02 PM
Long-term archiving on: : Saturday, November 26, 2016 - 12:11:28 AM

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  • HAL Id : inria-00306697, version 1
  • ARXIV : 0807.4656

Citation

Ruifeng Zhang, Jean-Marie Gorce, Katia Jaffrès-Runser. Energy-delay bounds analysis in wireless multi-hop networks with unreliable radio links. [Research Report] RR-6598, INRIA. 2008, pp.38. ⟨inria-00306697⟩

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