On code design for joint energy and information transfer

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dc.citation.epage2688en_US
dc.citation.issueNumber6en_US
dc.citation.spage2677en_US
dc.citation.volumeNumber64en_US
dc.contributor.authorDabirnia M.en_US
dc.contributor.authorDuman, T. M.en_US
dc.date.accessioned2018-04-12T11:48:16Z
dc.date.available2018-04-12T11:48:16Z
dc.date.issued2016en_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.description.abstractHarvesting energy from radio frequency signals along with transmitting data through them is appealing for different wireless communication scenarios, such as radio frequency identification (RFID) systems and implantable devices. In this paper, we propose a technique to design nonlinear codes for the use in such systems taking into account both energy transmission and error rate requirements. In particular, we propose using concatenation of a nonlinear trellis code (NLTC) with an outer low-density parity-check (LDPC) code. We design the NLTC based on maximization of its free distance. We give necessary and sufficient conditions for its catastrophicity; in order to avoid catastrophic codes, we connect each designed NLTC to a corresponding linear convolutional code allowing for the use of simpler conditions for verification. Furthermore, we use EXIT charts to design the outer LDPC code while fixing the inner NLTC. Via examples, we demonstrate that our designed codes operate at ∼ 0.8 dB away from the information theoretic limits, and they outperform both regular LDPC codes and optimized irregular LDPC codes for additive white Gaussian noise (AWGN) channels. In addition, we show that the proposed scheme outperforms the reference schemes of concatenating LDPC codes with nonlinear memoryless mappers and using classical linear block codes in a time switching mode. © 2016 IEEE.en_US
dc.identifier.doi10.1109/TCOMM.2016.2557796en_US
dc.identifier.issn0090-6778
dc.identifier.urihttp://hdl.handle.net/11693/37694
dc.language.isoEnglishen_US
dc.publisherInstitute of Electrical and Electronics Engineers Inc.en_US
dc.relation.isversionofhttp://dx.doi.org/10.1109/TCOMM.2016.2557796en_US
dc.source.titleIEEE Transactions on Communicationsen_US
dc.subjectJoint energy and information transferen_US
dc.subjectLow density parity check codesen_US
dc.subjectNonlinear codesen_US
dc.subjectRF energy harvestingen_US
dc.titleOn code design for joint energy and information transferen_US
dc.typeArticleen_US

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