NDLI: Joint Frequency Assignment and Association Control to Maximize the Aggregate Throughput in IEEE 802.11 WLAN

Content Provider	Springer Nature Link
Author	Tewari, Babul P. Ghosh, Sasthi C.
Copyright Year	2016
Abstract	The performance of an IEEE 802.11 wireless local area network is highly dependent on how the stations (STAs) are associated with the access points (APs). Frequency channels are assigned to the APs satisfying the interference constraints among them. As the number of non-overlapping frequency channels are limited, all APs in a given area may not be activated simultaneously because of mutual co-channel interference. The major concern of this paper is to select an appropriate subset of APs together with their frequency assignment as well as to find out an efficient association between the STAs and APs that maximizes the aggregate throughput of the network. We argue that, the two-step solution of the problem may become a suboptimal solution whereas ignoring the interference may cause a significant overestimation of the performance. Motivated by these, we propose an integrated model based on integer programming and an efficient greedy algorithm that address both aspects simultaneously. The performance of the proposed approach is analyzed for different utility functions and association policies. We have shown that the proposed approach outperforms some existing approaches and takes care of load balancing across the APs as well as fairness in throughput obtained by the STAs. Moreover the approach is robust enough to support user mobility and able to manage external interference.
Starting Page	1193
Ending Page	1221
Page Count	29
File Format	PDF
ISSN	09296212
Journal	Wireless Personal Communications
Volume Number	94
Issue Number	3
e-ISSN	1572834X
Language	English
Publisher	Springer US
Publisher Date	2016-09-07
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Frequency assignment Association control Throughput maximization Wireless LAN Integer programming Communications Engineering, Networks Signal,Image and Speech Processing Computer Communication Networks
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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