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Title: Modeling and Analysis of Additional Clear Channel Assessment to Improve Performance of IEEE 802.15.4-based MAC Protocol, Journal of Telecommunications and Information Technology, 2020, nr 3

Creator:

Asuti, Manjunath G. ; Basarkod, Prabhugoud I.

Date:

2020, nr 3

Resource Type:

artykuł

Description:

Design of the MAC protocol is crucial in all wireless sensor networks (WSNs) due to its influence on the performance of the transceiver, i.e. the most energy-consuming component of each sensor node. A mechanism known as “carrier sense multiple access with collision avoidance” (CSMA/CA) is used for accessing the wireless channel in the IEEE 802.15.4 standard-based MAC protocol in order to avoid collisions between the network’s communicating nodes. CSMA/CA relies on two clear channel assessments (CCA=2) for checking the status of the channel. In this paper, we develop an additional CCA algorithm for the two scenarios encountered in star topology-enabled WSNs. Next, we investigate the impact of an additional clear channel assessment (CCA=3) on performance in IEEE 802.15.4. We develop a Markov chain model for the proposed methodology, and validate it using Matlab. Simulation results show that there is a significant improvement of performance metrics in the IEEE 802.15.4 standard-based MAC protocol with an additional CCA

Publisher:

Instytut Łączności - Państwowy Instytut Badawczy

Format:

application/pdf

Resource Identifier:

ISSN 1509-4553, on-line: ISSN 1899-8852 ; oai:bc.itl.waw.pl:2144

Source:

Journal of Telecommunications and Information Technology

Language:

ang

Rights Management:

Biblioteka Naukowa Instytutu Łączności

Subject and keywords:

wireless sensor networks IEEE 802.15.4 MAC protocol Clear channel assessment CSMA/CA mechanism

Object collections:

Last modified:

Oct 22, 2020

In our library since:

Oct 22, 2020

Number of object content hits:

74

All available object's versions:

https://bc.itl.waw.pl/publication/2440

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Edition name Date
Asuti, Manjunath G.; Basarkod, Prabhugoud I., Modeling and Analysis of Additional Clear Channel Assessment to Improve Performance of IEEE 802.15.4-based MAC Protocol, Journal of Telecommunications and Information Technology, 2020, nr 3 Oct 22, 2020

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