Collision Elimination for Random Behavior Nodes in Ad Hoc Wireless Network Using Early Backoff Announcement (EBA) - Computer, Communication, and Signal Processing Access content directly
Conference Papers Year : 2022

Collision Elimination for Random Behavior Nodes in Ad Hoc Wireless Network Using Early Backoff Announcement (EBA)

D. Prabhu
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T. Anitha
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G. Logeswari
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S. Bose
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P. Venkatasubramani
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Abstract

Due to the detrimental repercussions of hidden terminals, collision avoidance is essential in contention-based media access control systems for multi-hop adhoc networks. Currently, the most common collision-avoidance strategies are four-way sender-initiated schemes. Although many research has been done to assess the performance of these schemes, the most of it has focused on single-hop ad hoc networks or networks with a limited proportion of hidden terminals. This research presents an enhancement to the existing IEEE 802.11 Distributed Coordination Function (DCF) MAC that reduces collisions, medium idle time, and overall network speed. The modification utilizes the existing Early backoff announcement (EBA) mechanism. The frame header in EBA is used by a station to indicate its upcoming backoff time; the backoff value is determined at random. This reduces collisions but no care has been taken to improve the throughput directly. In this paper, an algorithm for selecting the post backoff value based on certain criteria is proposed. The post backoff selection is selected through a round robin scheduling between the number of stations currently being transmitting. This reduces unnecessary wait time for stations that want to transmit back-to-back.
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Wednesday, January 1, 2025
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hal-04388167 , version 1 (11-01-2024)

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D. Prabhu, T. Anitha, G. Logeswari, S. Bose, P. Venkatasubramani. Collision Elimination for Random Behavior Nodes in Ad Hoc Wireless Network Using Early Backoff Announcement (EBA). 6th International Conference on Computer, Communication, and Signal Processing (ICCCSP), Feb 2022, Chennai, India. pp.232-245, ⟨10.1007/978-3-031-11633-9_17⟩. ⟨hal-04388167⟩
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