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IEICE TRANSACTIONS on Communications

Utility-Based Distributed Association Control Scheme with User Guidance for IEEE802.11 Wireless LANs

Takahiro IWAMI, Irda ROSLAN, Yumi TAKAKI, Kyoko YAMORI, Chikara OHTA, Hisashi TAMAKI

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Summary :

At present, wireless local area networks (WLANs) based on IEEE802.11 are widely deployed in both private premises and public areas. In a public environment offering several access points (APs), a station (STA) needs to choose which AP to associate with. In this paper, we propose a distributed association control scheme with user guidance to increase users' utility based on uplink and downlink throughputs of individual stations. As part of the scheme, we also present a simple throughput estimation method that considers physical data rate, traffic demand, and frame length in both uplink and downlink. Basically, in the proposed scheme, an AP selects a user and suggests that the user moves to another AP if certain conditions are met. The user then decides whether to accept the suggestion or not in a self-interested manner or in a voluntary manner for the benefit of all users including the user's own self. Through simulations under this condition, we confirm that our distributed association control scheme can improve user utility and fairness even though the channel quality of the new AP is unknown in advance.

Publication
IEICE TRANSACTIONS on Communications Vol.E98-B No.8 pp.1700-1714
Publication Date
2015/08/01
Publicized
Online ISSN
1745-1345
DOI
10.1587/transcom.E98.B.1700
Type of Manuscript
PAPER
Category
Terrestrial Wireless Communication/Broadcasting Technologies

Authors

Takahiro IWAMI
  Kobe University
Irda ROSLAN
  Kobe University,Universiti Teknikal Malaysia Melaka (UTeM)
Yumi TAKAKI
  Kobe University
Kyoko YAMORI
  Asahi University
Chikara OHTA
  Kobe University
Hisashi TAMAKI
  Kobe University

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