Constant subblock composition codes for simultaneous energy and information transfer

Anshoo Tandon, Mehul Motani, Lav R Varshney

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

Abstract

Motivated by code design for real-time simultaneous information and energy transfer, we characterize achievable rates and error exponents for discrete memoryless channels using constant subblock composition codes (CSCCs). All subblocks within every codeword in a CSCC have the same fixed composition. For a given channel, this composition may be chosen to balance the tradeoff of receiving high information rate and sufficient energy with every subblock duration. We provide a lower bound on the achievable rate by deriving a loss term relative to unconstrained random codes. We show that the error exponent for CSCCs is related to the error exponent for constant composition codes through the same loss term. We also compare achievable rates using CSCC with joint subblock decoding to the case where received subblocks are decoded independently for relatively faster information access.

Original languageEnglish (US)
Title of host publication2014 11th Annual IEEE International Conference on Sensing, Communication, and Networking Workshops, SECON Workshops 2014
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages45-50
Number of pages6
ISBN (Electronic)9781479956746
DOIs
StatePublished - Dec 8 2014
Event2014 11th Annual IEEE International Conference on Sensing, Communication, and Networking Workshops, SECON Workshops 2014 - Singapore, Singapore
Duration: Jun 30 2014Jul 3 2014

Publication series

Name2014 11th Annual IEEE International Conference on Sensing, Communication, and Networking Workshops, SECON Workshops 2014

Other

Other2014 11th Annual IEEE International Conference on Sensing, Communication, and Networking Workshops, SECON Workshops 2014
CountrySingapore
CitySingapore
Period6/30/147/3/14

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Computer Science Applications

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  • Cite this

    Tandon, A., Motani, M., & Varshney, L. R. (2014). Constant subblock composition codes for simultaneous energy and information transfer. In 2014 11th Annual IEEE International Conference on Sensing, Communication, and Networking Workshops, SECON Workshops 2014 (pp. 45-50). [6979704] (2014 11th Annual IEEE International Conference on Sensing, Communication, and Networking Workshops, SECON Workshops 2014). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/SECONW.2014.6979704