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dc.contributor.authorAlAmoudi, Abeer
dc.contributor.authorCelik, Abdulkadir
dc.contributor.authorEltawil, Ahmed
dc.date.accessioned2021-06-24T10:02:03Z
dc.date.available2021-06-24T10:02:03Z
dc.date.issued2021
dc.date.submitted2021-05-27
dc.identifier.urihttp://hdl.handle.net/10754/669768.1
dc.description.abstractThe Internet of bodies is a network of wearable, ingestible, injectable, and implantable smart objects located in, on, and around the body. Although radio frequency (RF) systems are considered a default choice for on-body communications, which should be within <5 cm vicinity of the human body, highly radiative RF propagation unnecessarily covers several meters beyond the human body. This intuitively degrades energy efficiency, leads to interference and co-existence issues, and exposes sensitive personal data to security threats. The capacitive body channel communications (BCC) is an alternative solution that confines transmission (between 10 kHz-100 MHZ) to the human body, which is more conductive than air. Since BCC has a negligible signal leakage and lower propagation loss, it has been reported to provide better physical layer security and reach nJ/bit to pJ/bit energy efficiency. Accordingly, this paper investigates orthogonal and non-orthogonal capacitive body channel access schemes for ultra-low-power IoB nodes. We present optimal uplink and downlink power allocations in closed-form, which deliver better fairness and network lifetime than benchmark numerical solvers. For a given bandwidth and data rate requirement, We also derive the maximum affordable number of IoB nodes for both directions of orthogonal and non-orthogonal schemes.
dc.publisherSubmitted to IEEE GLOBECOM 2021 Conference
dc.rightsArchived with thanks to IEEE GLOBECOM 2021 Conference
dc.titleEnergy Efficient Capacitive Body Channel Access Schemes for Internet of Bodies
dc.typePreprint
dc.contributor.departmentElectrical Engineering
dc.contributor.departmentComputer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
dc.conference.date7-11 December 2021
dc.conference.nameSubmitted to IEEE Global Communications Conference
dc.conference.locationMadrid, Spain
dc.eprint.versionPre-print
pubs.publication-statusSubmitted
kaust.personAlAmoudi, Abeer
kaust.personCelik, Abdulkadir
kaust.personEltawil, Ahmed Mohamed
refterms.dateFOA2021-06-24T10:02:04Z


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