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Design and Implementation of an Automatic Switching Technology Between Ad-Hoc and Infrastructure Modes in Wireless LANs  

Shin Taek-Su (광운대학교 전자통신공학과 통신프로토콜 연구실)
Jo Sung-Min (광운대학교 전자통신공학과 통신프로토콜 연구실)
Min Sang-Won (광운대학교 전자통신공학과 통신프로토콜 연구실)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.31, no.9A, 2006 , pp. 892-899 More about this Journal
Abstract
In this paper, we propose an automatic switching technology between the ad-hoc and the infrastructure modes without user intervention in the IEEE 802.11b wireless LAN. Also, we design our proposed technology and implemented on the Linux machine. For this operation, the area within an Access Point (AP) coverage is defined as a switching area, and a node without any transmission in this area is assumed to be able to relay frames between the AP and nodes in the shaded area that is outside the coverage and cannot reach the AP. By using the proposed technology, it is possible to provide the seamless Internet access service to nodes at the ad-hoc mode in the shaded area. In this paper, we explains the operation of the detection method of the switching area, presents the flowchart and implementation environment. To prove the operation of our technology, we obtain the results of captured packets transmitted between nodes and throughput results through ftp transmission experiment. Hence, we can see that our proposed scheme can be improve the wireless access service in wireless and mobile networks.
Keywords
Wireless LAN; Ad hoc mode; Infrastructure mode; Automatic Switching Technology;
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