Friday 24th of November 2017
 

An Enhanced Backoff Method used between Mobiles Moving in Industrial 802.11


Walid Fahs, Hassan Kabalan, Jamal Haydar, Abbas Hijazi and Mourad Gueroui

The purpose of this study is to discuss the exchanges between mobiles moving in an industrial environment. To reach this study, a simulation approach has been chosen to be used. The selection of relevant propagation model for the selected industrial site is based on several measurements. By adjusting the parameters of the various models, we decided to select the model recommended by the ITU under reference Pr1238 to use for our industrial indoor domain. The second step is to minimize the exchange time between mobiles within an 802.11 cell. The optimization of this time was carried out by modifying the binary exponential aspect of the Backoff algorithm in order to reduce the access time of the radio medium.

Keywords: WLAN, IEEE802.11, CSMA/CA, BEB, Propagation model AP

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ABOUT THE AUTHORS

Walid Fahs
Faculty of Engineering, Islamic University of Lebanon Khaldeh Main Street, Lebanon

Hassan Kabalan
Laboratoire d\'informatique PRiSM, Versailles St-Quentin-en-Yvelines University 45, avenue des États-Unis , 78035 Versailles Cedex, France

Jamal Haydar
Faculty of Engineering, Islamic University of Lebanon Khaldeh Main Street, Lebanon

Abbas Hijazi
Faculty of Sciences, Lebanese University Hadath, Beirut, Lebanon

Mourad Gueroui
Laboratoire d\'informatique PRiSM, Versailles St-Quentin-en-Yvelines University 45, avenue des États-Unis , 78035 Versailles Cedex, France


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