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Optimizing link rate assignment and transmission scheduling in WMN through compatible set generation
Lund University, Sweden.
Lund University, Sweden; Warsaw University of Technology, Poland.
Linköping University, Department of Science and Technology, Communications and Transport Systems. Linköping University, Faculty of Science & Engineering. University of Maryland, MD 20742 USA.
National University of Def Technology, Peoples R China.
2016 (English)In: Telecommunications Systems, ISSN 1018-4864, E-ISSN 1572-9451, Vol. 61, no 2, 325-335 p.Article in journal (Refereed) PublishedText
Abstract [en]

Radio links in wireless mesh networks (WMN) can select one of several modulation and coding schemes (MCS). A MCS assignment influences links data rates and their mutual interference, and therefore should be optimized. We consider joint optimization of link rate assignment and transmission scheduling in order to maximize the minimal flow in a WMN. One of the main difficulties stems from the requirement that each link has to use only one selected MCS for all its transmissions. This requirement leads to a complicated exact branch-and-price method, which is quite time-consuming for networks of practical size. Thus, we propose an original heuristic based on simulated annealing that utilizes specific characteristics of the problem. The method provides a balance between sub-optimality of the obtained solutions and the running time. The presented method is the main purpose and novelty of the paper. An extensive numerical study illustrates the effectiveness of the proposed approach.

Place, publisher, year, edition, pages
SPRINGER , 2016. Vol. 61, no 2, 325-335 p.
Keyword [en]
Static link rate assignment; Branch-and-price; Simulated annealing
National Category
Civil Engineering
URN: urn:nbn:se:liu:diva-125822DOI: 10.1007/s11235-015-0004-yISI: 000370168500010OAI: diva2:910242

Funding Agencies|EC Marie Curie Actions project MESH-WISE [FP7-PEOPLE-2012-IAPP-324515]; Excellence Center at Linkoping-Lund in Information Technology (ELLIIT); National Science Centre (Poland) [2011/01/B/ST7/02967]; Chinese Scholarship Council; European FP7 Marie Curie IOF grant [329313]

Available from: 2016-03-08 Created: 2016-03-04 Last updated: 2016-05-12

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