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BP-MAC: A High Reliable Backoff Preamble MAC Protocol for Wireless Sensor Networks

Alexander Klein / Jirka Klaue / Josef Schalk

Many Media Access Control (MAC) protocols for Wireless Sensor Networks (WSN) use varia-tions of the popular Carrier Sense Multiple Access (CSMA) protocol due to its simplicity and its high perfor-mance in low traffic scenarios. However, CSMA does not always represent a good choice for WSNs since typical low power transceivers require a significant time to switch between receiving and transmitting and vice versa. Sensor nodes are not able to detect a busy channel during the switching. Thus, the collision proba-bility in WSNs is very high in case of correlated event-driven traffic. In this paper we introduce the BP-MAC protocol that uses a backoff preamble with variable length in order to mitigate the effect of Clear Channel As-sessment (CCA) delay.

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BP-MAC: A High Reliable Backoff Preamble MAC Protocol for Wireless Sensor Networks

Alexander Klein / Jirka Klaue / Josef Schalk

Many Media Access Control (MAC) protocols for Wireless Sensor Networks (WSN) use varia-tions of the popular Carrier Sense Multiple Access (CSMA) protocol due to its simplicity and its high perfor-mance in low traffic scenarios. However, CSMA does not always represent a good choice for WSNs since typical low power transceivers require a significant time to switch between receiving and transmitting and vice versa. Sensor nodes are not able to detect a busy channel during the switching. Thus, the collision proba-bility in WSNs is very high in case of correlated event-driven traffic. In this paper we introduce the BP-MAC protocol that uses a backoff preamble with variable length in order to mitigate the effect of Clear Channel As-sessment (CCA) delay.

BP-MAC: A High Reliable Backoff Preamble MAC Protocol for Wireless Sensor Networks

Alexander Klein / Jirka Klaue / Josef Schalk

Many Media Access Control (MAC) protocols for Wireless Sensor Networks (WSN) use varia-tions of the popular Carrier Sense Multiple Access (CSMA) protocol due to its simplicity and its high perfor-mance in low traffic scenarios. However, CSMA does not always represent a good choice for WSNs since typical low power transceivers require a significant time to switch between receiving and transmitting and vice versa. Sensor nodes are not able to detect a busy channel during the switching. Thus, the collision proba-bility in WSNs is very high in case of correlated event-driven traffic. In this paper we introduce the BP-MAC protocol that uses a backoff preamble with variable length in order to mitigate the effect of Clear Channel As-sessment (CCA) delay.

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Title:

BP-MAC: A High Reliable Backoff Preamble MAC Protocol for Wireless Sensor Networks

Contributors:

Alexander Klein (author) / Jirka Klaue (author) / Josef Schalk (author)

Published in:

Electronic Journal of Structural Engineering, Iss 01 (2009)

Publication date:

2009

ISSN:

DOI:

https://doi.org/10.56748/ejse.10801

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

Unknown

Keywords:

Architectural engineering. Structural engineering of buildings , TH845-895 , Structural engineering (General) , TA630-695

Metadata by DOAJ is licensed under CC BY-SA 1.0

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