Optimizing Client Association for Load Balancing and Fairness in Millimeter Wave Wireless Networks
2015 (English)In: IEEE/ACM Transactions on Networking, ISSN 1063-6692, E-ISSN 1558-2566, Vol. 23, no 3, 836-850 p.Article in journal (Refereed) Published
Millimeter-wave communications in the 60-GHz band are considered one of the key technologies for enabling multigigabit wireless access. However, the special characteristics of such a band pose major obstacles to the optimal utilization of the wireless resources, where the problem of efficient client association to access points (APs) is of vital importance. In this paper, the client association in 60-GHz wireless access networks is investigated. The AP utilization and the quality of the rapidly vanishing communication links are the control parameters. Because of the tricky non-convex and combinatorial nature of the client association optimization problem, a novel solution method is developed to guarantee balanced and fair resource allocation. A new distributed, lightweight, and easy-to-implement association algorithm, based on Lagrangian duality theory and subgradient methods, is proposed. It is shown that the algorithm is asymptotically optimal, that is, the relative duality gap diminishes to zero as the number of clients increases.
Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE) , 2015. Vol. 23, no 3, 836-850 p.
60 GHz Wireless Access Networks, Resource Allocation, Association Control
IdentifiersURN: urn:nbn:se:kth:diva-138495DOI: 10.1109/TNET.2014.2307918ISI: 000356298800012ScopusID: 2-s2.0-84896418712OAI: oai:DiVA.org:kth-138495DiVA: diva2:681119
FunderSwedish Research Council
QC 201507032013-12-192013-12-192015-07-03Bibliographically approved