Cross-layer optimization of a CSMA protocol with adaptive modulation for improved energy efficiency in wireless sensor networks

Shu Tao; Haythem A.Bany Salameh; Marwan Krunz

doi:10.1109/GLOCOM.2006.956

Cross-layer optimization of a CSMA protocol with adaptive modulation for improved energy efficiency in wireless sensor networks

Shu Tao, Haythem A.Bany Salameh, Marwan Krunz

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Scopus citations

Abstract

We investigate the energy efficiency in a wireless sensor networks that implements a non-persistent CSMA MAC protocol with adaptive MQAM modulation at the physical layer. The system throughput is estimated based on the number of received ACK packets. The backoff probability at the MAC layer and the modulation order at the physical layer are jointly adapted according to the traffic dynamics, leading to improved system energy efficiency while satisfying a given constraint on the packet retransmission delay. Through numerical examples and simulations, we verify the significant energy-efficiency improvements achieved by this joint optimization compared to the backoff-probability-only and the modulation-order-only adaptations.

Original language	English (US)
Title of host publication	IEEE GLOBECOM 2006 - 2006 Global Telecommunications Conference
DOIs	https://doi.org/10.1109/GLOCOM.2006.956
State	Published - 2006
Event	IEEE GLOBECOM 2006 - 2006 Global Telecommunications Conference - San Francisco, CA, United States Duration: Nov 27 2006 → Dec 1 2006

Publication series

Name	GLOBECOM - IEEE Global Telecommunications Conference

Other

Other	IEEE GLOBECOM 2006 - 2006 Global Telecommunications Conference
Country/Territory	United States
City	San Francisco, CA
Period	11/27/06 → 12/1/06

ASJC Scopus subject areas

General Engineering

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10.1109/GLOCOM.2006.956

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Cross-layer optimization of a CSMA protocol with adaptive modulation for improved energy efficiency in wireless sensor networks. / Tao, Shu; Salameh, Haythem A.Bany; Krunz, Marwan.
IEEE GLOBECOM 2006 - 2006 Global Telecommunications Conference. 2006. 4151586 (GLOBECOM - IEEE Global Telecommunications Conference).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Tao, S, Salameh, HAB & Krunz, M 2006, Cross-layer optimization of a CSMA protocol with adaptive modulation for improved energy efficiency in wireless sensor networks. in IEEE GLOBECOM 2006 - 2006 Global Telecommunications Conference., 4151586, GLOBECOM - IEEE Global Telecommunications Conference, IEEE GLOBECOM 2006 - 2006 Global Telecommunications Conference, San Francisco, CA, United States, 11/27/06. https://doi.org/10.1109/GLOCOM.2006.956

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N2 - We investigate the energy efficiency in a wireless sensor networks that implements a non-persistent CSMA MAC protocol with adaptive MQAM modulation at the physical layer. The system throughput is estimated based on the number of received ACK packets. The backoff probability at the MAC layer and the modulation order at the physical layer are jointly adapted according to the traffic dynamics, leading to improved system energy efficiency while satisfying a given constraint on the packet retransmission delay. Through numerical examples and simulations, we verify the significant energy-efficiency improvements achieved by this joint optimization compared to the backoff-probability-only and the modulation-order-only adaptations.

AB - We investigate the energy efficiency in a wireless sensor networks that implements a non-persistent CSMA MAC protocol with adaptive MQAM modulation at the physical layer. The system throughput is estimated based on the number of received ACK packets. The backoff probability at the MAC layer and the modulation order at the physical layer are jointly adapted according to the traffic dynamics, leading to improved system energy efficiency while satisfying a given constraint on the packet retransmission delay. Through numerical examples and simulations, we verify the significant energy-efficiency improvements achieved by this joint optimization compared to the backoff-probability-only and the modulation-order-only adaptations.

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Cross-layer optimization of a CSMA protocol with adaptive modulation for improved energy efficiency in wireless sensor networks

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