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Energy minimization in wireless multihop networks using two-way network coding
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Signals and Systems Group.
National Mobile Communications Research Laboratory, Southeast University, Nanjing, China.
National Mobile Communication Research Laboratory, Southeast University, Nanjing, China.
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2011 (English)In: IEEE 73rd Vehicular Technology Conference (VTC-2011-Spring), Budapest, Ungern, 2011Conference paper, Published paper (Refereed)
Abstract [en]

The total energy minimization in wireless multihop networks using two-way network coding is investigated in this paper. The problem is first formulated as a linear programming problem, then decomposed into two sub-problems using the Lagrangian decomposition, and finally solved with the subgradient method. After that, the backpressure based algorithm is proposed to solve the problem in a distributed manner. The performance of the algorithm is evaluated first in a simple topology for analysis and then in a random topology with different number of flows for practical consideration. Simulation results show that the convergence time increases as the number of nodes in the network, and the energy cost per packet can be saved up to 30% by using two-way network coding.

Place, publisher, year, edition, pages
2011.
Series
IEEE Vehicular Technology Conference, ISSN 1550-2252
Keyword [en]
Energy Efficiency, Two-Way Network Coding, Backpressure, Wireless Multihop Networks
National Category
Signal Processing
Research subject
Electrical Engineering with specialization in Signal Processing
Identifiers
URN: urn:nbn:se:uu:diva-162982ISI: 000295405800147ISBN: 978-1-4244-8331-0 (print)OAI: oai:DiVA.org:uu-162982DiVA: diva2:462227
Conference
73rd IEEE Vehicular Technology Conference (VTC Spring) May 15-18, 2011 Budapest, Hungary
Available from: 2011-12-06 Created: 2011-12-06 Last updated: 2011-12-13Bibliographically approved

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Wu, Ping

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