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Erschienen in: Wireless Personal Communications 1/2018

23.08.2017

An Encoding Algorithm for Minimizing Medium Time and Energy in Wireless Networks

verfasst von: Qi Wang, Qingshan Wang, Xuhui Wang, Jinjun Zhang

Erschienen in: Wireless Personal Communications | Ausgabe 1/2018

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Abstract

This paper studies the optimal medium time and energy encoding (OMEE) problem by utilizing multiple power levels and bit rates to improve network coding gain. The OMEE problem is formulated as an integer nonlinear programming and proven to be NP-complete. A heuristic encoding algorithm is proposed after analyzing the relationship of the product of medium time and energy consumption of two nodes. Simulation results show that the proposed encoding algorithm approaches the optimal solution for all performance metrics, and decreases the product of medium time and energy consumption by up to 77.3 and 75.9%, respectively, compared to existing minimal number of transmissions and minimal medium time encoding algorithms. The proposed encoding algorithm also achieves a similar performance gain for medium time over the existing algorithms (excluding the optimal solution).

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Fußnoten
1
The value represents the time consumption of sending the data, and is the main time consumption of sending a packet in general. Our analysis can be easily extended to consider the protocol overhead.
 
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Metadaten
Titel
An Encoding Algorithm for Minimizing Medium Time and Energy in Wireless Networks
verfasst von
Qi Wang
Qingshan Wang
Xuhui Wang
Jinjun Zhang
Publikationsdatum
23.08.2017
Verlag
Springer US
Erschienen in
Wireless Personal Communications / Ausgabe 1/2018
Print ISSN: 0929-6212
Elektronische ISSN: 1572-834X
DOI
https://doi.org/10.1007/s11277-017-4910-z

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