An Access-Point Aggregation Approach for Energy-Saving Wireless Local Area Networks

Md. Ezharul ISLAM; Nobuo FUNABIKI; Toru NAKANISHI; Kan WATANABE

doi:10.1587/transcom.E96.B.2986

An Access-Point Aggregation Approach for Energy-Saving Wireless Local Area Networks

Md. Ezharul ISLAM, Nobuo FUNABIKI, Toru NAKANISHI, Kan WATANABE

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Nowadays, with spreads of inexpensive small communication devices, a number of wireless local area networks (WLANs) have been deployed even in the same building for the Internet access services. Their wireless access-points (APs) are often independently installed and managed by different groups such as departments or laboratories in a university or a company. Then, a user host can access to multiple WLANs by detecting signals from their APs, which increases the energy consumption and the operational cost. It may also degrade the communication performance by increasing interferences. In this paper, we present an AP aggregation approach to solve these problems in multiple WLAN environments by aggregating deployed APs of different groups into limited ones using virtual APs. First, we formulate the AP aggregation problem as a combinatorial optimization problem and prove the NP-completeness of its decision problem. Then, we propose its heuristic algorithm composed of five phases. We verify the effectiveness through extensive simulations using the WIMNET simulator.

Publication: IEICE TRANSACTIONS on Communications Vol.E96-B No.12 pp.2986-2997

Publication Date: 2013/12/01

Publicized

Online ISSN: 1745-1345

DOI: 10.1587/transcom.E96.B.2986

Type of Manuscript: Special Section PAPER (Special Section on Network and System Technologies for Sustainable Society)

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Authors

Md. Ezharul ISLAM
  Okayama University
Nobuo FUNABIKI
  Okayama University
Toru NAKANISHI
  Okayama University
Kan WATANABE
  Okayama University

Keyword

wireless local area network, access-point aggregation, NP-complete, algorithm, energy-saving, IEEE 802.11n

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Md. Ezharul ISLAM, Nobuo FUNABIKI, Toru NAKANISHI, Kan WATANABE, "An Access-Point Aggregation Approach for Energy-Saving Wireless Local Area Networks" in IEICE TRANSACTIONS on Communications, vol. E96-B, no. 12, pp. 2986-2997, December 2013, doi: 10.1587/transcom.E96.B.2986.
Abstract: Nowadays, with spreads of inexpensive small communication devices, a number of wireless local area networks (WLANs) have been deployed even in the same building for the Internet access services. Their wireless access-points (APs) are often independently installed and managed by different groups such as departments or laboratories in a university or a company. Then, a user host can access to multiple WLANs by detecting signals from their APs, which increases the energy consumption and the operational cost. It may also degrade the communication performance by increasing interferences. In this paper, we present an AP aggregation approach to solve these problems in multiple WLAN environments by aggregating deployed APs of different groups into limited ones using virtual APs. First, we formulate the AP aggregation problem as a combinatorial optimization problem and prove the NP-completeness of its decision problem. Then, we propose its heuristic algorithm composed of five phases. We verify the effectiveness through extensive simulations using the WIMNET simulator.
URL: https://globals.ieice.org/en_transactions/communications/10.1587/transcom.E96.B.2986/_p

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@ARTICLE{e96-b_12_2986,
author={Md. Ezharul ISLAM, Nobuo FUNABIKI, Toru NAKANISHI, Kan WATANABE, },
journal={IEICE TRANSACTIONS on Communications},
title={An Access-Point Aggregation Approach for Energy-Saving Wireless Local Area Networks},
year={2013},
volume={E96-B},
number={12},
pages={2986-2997},
abstract={Nowadays, with spreads of inexpensive small communication devices, a number of wireless local area networks (WLANs) have been deployed even in the same building for the Internet access services. Their wireless access-points (APs) are often independently installed and managed by different groups such as departments or laboratories in a university or a company. Then, a user host can access to multiple WLANs by detecting signals from their APs, which increases the energy consumption and the operational cost. It may also degrade the communication performance by increasing interferences. In this paper, we present an AP aggregation approach to solve these problems in multiple WLAN environments by aggregating deployed APs of different groups into limited ones using virtual APs. First, we formulate the AP aggregation problem as a combinatorial optimization problem and prove the NP-completeness of its decision problem. Then, we propose its heuristic algorithm composed of five phases. We verify the effectiveness through extensive simulations using the WIMNET simulator.},
keywords={},
doi={10.1587/transcom.E96.B.2986},
ISSN={1745-1345},
month={December},}

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TY - JOUR
TI - An Access-Point Aggregation Approach for Energy-Saving Wireless Local Area Networks
T2 - IEICE TRANSACTIONS on Communications
SP - 2986
EP - 2997
AU - Md. Ezharul ISLAM
AU - Nobuo FUNABIKI
AU - Toru NAKANISHI
AU - Kan WATANABE
PY - 2013
DO - 10.1587/transcom.E96.B.2986
JO - IEICE TRANSACTIONS on Communications
SN - 1745-1345
VL - E96-B
IS - 12
JA - IEICE TRANSACTIONS on Communications
Y1 - December 2013
AB - Nowadays, with spreads of inexpensive small communication devices, a number of wireless local area networks (WLANs) have been deployed even in the same building for the Internet access services. Their wireless access-points (APs) are often independently installed and managed by different groups such as departments or laboratories in a university or a company. Then, a user host can access to multiple WLANs by detecting signals from their APs, which increases the energy consumption and the operational cost. It may also degrade the communication performance by increasing interferences. In this paper, we present an AP aggregation approach to solve these problems in multiple WLAN environments by aggregating deployed APs of different groups into limited ones using virtual APs. First, we formulate the AP aggregation problem as a combinatorial optimization problem and prove the NP-completeness of its decision problem. Then, we propose its heuristic algorithm composed of five phases. We verify the effectiveness through extensive simulations using the WIMNET simulator.
ER -