Network Sensing In WLAN

K. Mathews

Masterarbeit, Fachbereich Informatik, Technische Universit├Ąt Kaiserslautern, 2017

Abstract

Industrial automation on top of wireless communication has high interest in recent years due to its cheap and easy installation. But, most of the current solutions operates in 2.4 GHz ISM band based on TDMA or similar medium access methods and hardware dependent solutions. Moreover, the emergence of IoT, VANETS, and other wireless based technologies will create extra traffic in near future. Apart from reliability, a cheap and hardware independent automation network benefits different industrial applications. The idea is to introduce a statistically reliable, and cheap closed-loop control wireless automation system. In order to provide statistical reliability, a clear picture about the traffic on the medium is required. In this thesis, the possible solutions to sense the medium are investigated. Also proposed a "Token Bucket" based bandwidth distribution, and network sensing mechanism to distribute available bandwidth among the nodes and sense the local medium contention

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