PPM coding schemes with super-regenerative receiver for autonomous wireless BANs

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Abstract

We present a low-power wireless solution for energy autonomous wireless body area networks (WBANs) by using a super-regenerative receiver with suitable channel codes. To find corresponding ideal signalling schemes based on envelope detection, the capacity of the noncoherent AWGN channel with multi-level inputs is first studied. These investigations show that asymmetric on-off keying is efficient when the power budget is limited. Therefore, pulse-position modulation (PPM) and Reed Solomon coded PPM are proposed as practical signalling and schemes. Simulation and emulation results both illustrate that the transmit power of wireless bio-sensors can be reduced dramatically by using the proposed schemes, relative to uncoded systems. Moreover, the effect of applying analog-to-digital convertors with different resolutions for the super-regenerative receiver is studied to find the minimum number of the required quantization bits.
Original languageEnglish
Title of host publicationProceedings of the 2011 IEEE Biomedical Circuits and Systems Conference (BioCAS), 10-12 November 2011, San Diego, California
Place of PublicationPiscataway
PublisherInstitute of Electrical and Electronics Engineers
Pages161-164
ISBN (Print)978-1-4577-1469-6
DOIs
Publication statusPublished - 2011
Event2011 IEEE Biomedical Circuits and Systems Conference, BioCAS 2011 - La Jolla, United States
Duration: 10 Nov 201112 Nov 2011
https://ieee-cas.org/conference/2011-ieee-biomedical-circuits-and-systems-conference-biocas

Conference

Conference2011 IEEE Biomedical Circuits and Systems Conference, BioCAS 2011
Abbreviated titleBioCAS 2011
Country/TerritoryUnited States
CityLa Jolla
Period10/11/1112/11/11
OtherBiomedical Circuits and Systems Conference (BioCAS), 2011 IEEE
Internet address

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