A Channel Assignment Extension of Active Access-Point Configuration Algorithm for Elastic WLAN System under Limited Channels

Previously, we proposed the active access-point (AP) configuration algorithm for elastic Wireless Local-Area Network (WLAN) systems using heterogeneous APs. This algorithm activates or deactivates APs depending on traffic demands, assuming that any active AP can use a different channel to avoid inte...

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Bibliographic Details
Main Authors: Al Mamun, Md Selim, Debnath, Sumon Kumar, Kyaw Soe Lwin, Funabiki, Nobuo
Format: Conference Proceeding
Language:English
Subjects:
active access-point configuration
algorithm
Bandwidth
Channel allocation
channel assignment
Elastic WLAN system
Interference
interference minimization
Internet
Servers
Throughput
Wireless LAN
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Description
Summary:Previously, we proposed the active access-point (AP) configuration algorithm for elastic Wireless Local-Area Network (WLAN) systems using heterogeneous APs. This algorithm activates or deactivates APs depending on traffic demands, assuming that any active AP can use a different channel to avoid interferences among APs. However, the number of non-interfered channels in IEEE 802.11 protocols is limited. In this paper, we propose an extension of this algorithm to consider the channel assignment to the active APs under this limitation. After the channel assignment to the active APs, AP associations of hosts are improved to further minimize interferences by averaging loads among different channels. The effectiveness of our proposal is evaluated using the WIMNET simulator.
ISSN:2379-1896
DOI:10.1109/CANDAR.2016.0063