On-demand radio wave sensor for wireless sensor networks

Towards a zero idle listening and zero sleep delay MAC protocol

Sang Hoon Lee, Yong Soo Bae, Lynn Choi

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Citations (Scopus)

Abstract

In wireless sensor networks (WSNs) duty cycling has been an imperative choice to reduce idle listening but it introduces sleep delay. Thus, the conventional WSN MAC protocols are bound by the energy-latency tradeoff. To break through the tradeoff, we propose a radio wave sensor called RF watchdog that is dedicated to sense the presence of a RF signal. The distinctive feature of our design is that the RF watchdog can provide the same sensitivity but with two orders of magnitude less energy than the underlying RF module. With RF watchdog a sensor node no longer requires duty cycling. Instead, it can maintain a sleep state until its RF watchdog detects a communication signal. We also propose an on-demand MAC protocol called ZeroMAC that can effectively utilize the on-demand wakeup functionality of a RF watchdog by broadcasting a dedicated signal to wake up nodes before starting a communication. ZeroMAC wakes up only the nodes on the communication path by propagating wakeup signals in a hop-by-hop manner, avoiding unnecessary signal flooding. To further save energy, a node in ZeroMAC can turn off its RF module as soon as it detects the end of communication. According to our detailed packet level simulation results, ZeroMAC can deliver data packets at least 1.87 times faster by eliminating both idle listening and sleep delay while it consumes only 3% of the energy compared to X-MAC and A-MAC.

Original languageEnglish
Title of host publicationGLOBECOM - IEEE Global Telecommunications Conference
Pages560-566
Number of pages7
DOIs
Publication statusPublished - 2012 Dec 1
Event2012 IEEE Global Communications Conference, GLOBECOM 2012 - Anaheim, CA, United States
Duration: 2012 Dec 32012 Dec 7

Other

Other2012 IEEE Global Communications Conference, GLOBECOM 2012
CountryUnited States
CityAnaheim, CA
Period12/12/312/12/7

Fingerprint

Radio waves
Wireless sensor networks
Network protocols
Communication
Sensors
Broadcasting
Sensor nodes
Sleep

Keywords

  • idle listening
  • MAC protocol
  • RF wave sensor
  • sleep delay
  • wireless communication
  • wireless sensor networks

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

On-demand radio wave sensor for wireless sensor networks : Towards a zero idle listening and zero sleep delay MAC protocol. / Lee, Sang Hoon; Bae, Yong Soo; Choi, Lynn.

GLOBECOM - IEEE Global Telecommunications Conference. 2012. p. 560-566 6503172.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Lee, SH, Bae, YS & Choi, L 2012, On-demand radio wave sensor for wireless sensor networks: Towards a zero idle listening and zero sleep delay MAC protocol. in GLOBECOM - IEEE Global Telecommunications Conference., 6503172, pp. 560-566, 2012 IEEE Global Communications Conference, GLOBECOM 2012, Anaheim, CA, United States, 12/12/3. https://doi.org/10.1109/GLOCOM.2012.6503172
Lee, Sang Hoon ; Bae, Yong Soo ; Choi, Lynn. / On-demand radio wave sensor for wireless sensor networks : Towards a zero idle listening and zero sleep delay MAC protocol. GLOBECOM - IEEE Global Telecommunications Conference. 2012. pp. 560-566
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