The design of a ultra-low power RF wakeup sensor for wireless sensor networks

Yong Soo Bae, Sang Hoon Lee, Lynn Choi

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

Abstract

Conventional MAC protocols for wireless sensor networks have adopted duty cycling to reduce idle listening, but duty cycling leads to energy-latency tradeoff, which is one of the major challenges for designing energy efficient and high performance MAC protocols for wireless sensor networks. To break through the energy-latency tradeoff caused by duty cycling in the existing wireless sensor network, we propose a new RF wakeup sensor, which is a dedicated small RF module to check potential communications by sensing the presence of a RF signal. With RF wakeup sensor each node no longer requires duty cycling, eliminating both sleep delay and idle listening. The distinctive feature of our RF design from the existing radio sensor studies is that the RF wakeup sensor can provide the same sensitivity as the underlying RF communication module with two orders of magnitude lower energy consumption. To equalize the RF sensing range to the communication range, the RF wakeup sensor uses a dedicated amplifier for input signal. The amplifier can selectively sense signals on the predefined frequency band by employing a frequency filter that requires neither mixer nor oscillator. We evaluate the circuital characteristics of our RF wakeup sensor design by using Advanced Design System 2009 simulator. The results show that RF wakeup sensor allows a sensor node to completely turn off their communication module by performing the around-the-clock carrier sensing while it consumes only 1% energy of an idle communication module.

Original languageEnglish
Title of host publicationAPCC 2012 - 18th Asia-Pacific Conference on Communications: "Green and Smart Communications for IT Innovation"
Pages214-218
Number of pages5
DOIs
Publication statusPublished - 2012 Dec 1
Event18th Asia-Pacific Conference on Communications: "Green and Smart Communications for IT Innovation", APCC 2012 - Jeju Island, Korea, Republic of
Duration: 2012 Oct 152012 Oct 17

Other

Other18th Asia-Pacific Conference on Communications: "Green and Smart Communications for IT Innovation", APCC 2012
CountryKorea, Republic of
CityJeju Island
Period12/10/1512/10/17

Fingerprint

Wireless sensor networks
Sensors
Communication
Sensor nodes
Network protocols
Frequency bands
Clocks
Energy utilization
Simulators

Keywords

  • idle listening
  • RF wakeup sensor
  • sleep delay
  • Wireless sensor network

ASJC Scopus subject areas

  • Computer Networks and Communications

Cite this

Bae, Y. S., Lee, S. H., & Choi, L. (2012). The design of a ultra-low power RF wakeup sensor for wireless sensor networks. In APCC 2012 - 18th Asia-Pacific Conference on Communications: "Green and Smart Communications for IT Innovation" (pp. 214-218). [6388134] https://doi.org/10.1109/APCC.2012.6388134

The design of a ultra-low power RF wakeup sensor for wireless sensor networks. / Bae, Yong Soo; Lee, Sang Hoon; Choi, Lynn.

APCC 2012 - 18th Asia-Pacific Conference on Communications: "Green and Smart Communications for IT Innovation". 2012. p. 214-218 6388134.

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

Bae, YS, Lee, SH & Choi, L 2012, The design of a ultra-low power RF wakeup sensor for wireless sensor networks. in APCC 2012 - 18th Asia-Pacific Conference on Communications: "Green and Smart Communications for IT Innovation"., 6388134, pp. 214-218, 18th Asia-Pacific Conference on Communications: "Green and Smart Communications for IT Innovation", APCC 2012, Jeju Island, Korea, Republic of, 12/10/15. https://doi.org/10.1109/APCC.2012.6388134
Bae YS, Lee SH, Choi L. The design of a ultra-low power RF wakeup sensor for wireless sensor networks. In APCC 2012 - 18th Asia-Pacific Conference on Communications: "Green and Smart Communications for IT Innovation". 2012. p. 214-218. 6388134 https://doi.org/10.1109/APCC.2012.6388134
Bae, Yong Soo ; Lee, Sang Hoon ; Choi, Lynn. / The design of a ultra-low power RF wakeup sensor for wireless sensor networks. APCC 2012 - 18th Asia-Pacific Conference on Communications: "Green and Smart Communications for IT Innovation". 2012. pp. 214-218
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