NDLI: Ultra low power transceivers for wireless sensors and body area networks

Content Provider	IEEE Xplore Digital Library
Author	Sjoland, H. Anderson, J.B. Bryant, C. Chandra, R. Edfors, O. Johansson, A.J. Mazloum, N.S. Meraji, R. Nilsson, P. Radjen, D. Rodrigues, J. Sherazi, Y. Owall, V.
Copyright Year	2014
Description	Author affiliation: Dept. of Electr. & Inf. Technol., Lund Univ., Lund, Sweden (Sjoland, H.; Anderson, J.B.; Bryant, C.; Chandra, R.; Edfors, O.; Johansson, A.J.; Mazloum, N.S.; Meraji, R.; Nilsson, P.; Radjen, D.; Rodrigues, J.; Sherazi, Y.; Owall, V.)
Abstract	A transceiver suitable for devices in wireless body area networks is presented. Stringent requirements are imposed by the high link loss between opposite sides of the body, about 85 dB in the 2.45 GHz ISM band. Despite this, minimum physical size and power consumption are required, and we target a transceiver with 1 $mm^{2}$ chip area, 1 mW active power consumption, and data rate 250 kbit/s. The receiver is fully integrated., fabricated and measured in 65-nm CMOS, and size and power consumption are carefully considered at all levels of circuit and system design. The modulation is frequency shift keying, chosen because transmitters can be realized with high efficiency and low spurious emissions; a modulation index 2 creates a midchannel spectral notch. A direct-conversion receiver achieves minimum power consumption. A tailored demodulation structure makes the digital baseband compact and low power. The channel decoder has been implemented in both analog and digital domains to find the most power efficient solution. Antenna design and wave propagation are studied via simulations with phantoms. The 2.45 GHz ISM band was chosen as a good compromise between antenna size and link loss. An ultra-low power medium access scheme based on a duty-cycled wake-up receiver is designed.
Sponsorship	IEEE Italy Sect.
Starting Page	1
Ending Page	5
File Size	1130663
Page Count	5
File Format	PDF
ISBN	9781479948567
ISSN	23268301
DOI	10.1109/ISMICT.2014.6825247
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-04-02
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Matched filters Body sensor networks Sensitivity Power demand Transmitters Modulation Low power electronics Receivers CMOS integrated circuits System-on-a-chip Antennas
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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