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Age and Energy Tradeoff for Short Packet Based Two-Hop Decode-and-Forward Relaying Networks

Authors:

Xiao MaAuthors Info & Claims

2021 IEEE Wireless Communications and Networking Conference (WCNC)

Pages 1 - 6

https://doi.org/10.1109/WCNC49053.2021.9417497

Published: 29 March 2021 Publication History

Abstract

Real-time and energy-efficient transmissions are two critical demands for status update systems, however it is difficult to meet these requirements simultaneously. This paper focuses on the tradeoff between the average age of information (AoI) and the average energy cost (EC) for two-hop decode-and-forward (DF) relaying networks with short packet transmissions. Both the partial relay selection (PRS) and max-min relay selection (MMRS) schemes are considered. The expressions for the average AoI and the average EC of two-hop relaying networks are derived, and the age-energy tradeoff is also achieved by minimizing the weighted sum of them. Numerical simulations show that both PRS and MMRS schemes have their own advantages to minimize the age and energy cost under different channel conditions, where MMRS is a fairness scheme that takes the channel conditions of two hops into account. In addition, an optimal packet length can always be found to tradeoff the average AoI and average EC in two-hop relaying networks.

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Cited By

Xie MAn BJia XZhou MLu J(2024)Simultaneous update of sensing and control data using free-ride codes in vehicular networksComputer Networks: The International Journal of Computer and Telecommunications Networking10.1016/j.comnet.2024.110667252:COnline publication date: 1-Oct-2024
https://dl.acm.org/doi/10.1016/j.comnet.2024.110667

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Age and Energy Tradeoff for Short Packet Based Two-Hop Decode-and-Forward Relaying Networks

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2021 IEEE Wireless Communications and Networking Conference (WCNC)

Mar 2021

2195 pages

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Published: 29 March 2021

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Cited By

Xie MAn BJia XZhou MLu J(2024)Simultaneous update of sensing and control data using free-ride codes in vehicular networksComputer Networks: The International Journal of Computer and Telecommunications Networking10.1016/j.comnet.2024.110667252:COnline publication date: 1-Oct-2024
https://dl.acm.org/doi/10.1016/j.comnet.2024.110667

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