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dc.contributor.advisorThiel, David
dc.contributor.authorHagem, Rabee Mouffage
dc.date.accessioned2018-01-23T02:17:18Z
dc.date.available2018-01-23T02:17:18Z
dc.date.issued2014
dc.identifier.doi10.25904/1912/766
dc.identifier.urihttp://hdl.handle.net/10072/365345
dc.description.abstractAthlete monitoring using movement sensors can provide important information for coaches and trainers. The main aim of this thesis is to design, implement and test an optical wireless communication link for swimming applications to give real time feedback to the swimmer so that adjustments can be made during swimming. As swimmers are located relatively close to the surface of the water, arm and leg movement can generate a significant number of air bubbles. Total internal reflection from the surface and attenuation due to bubbles is a major problem for communications both below and above the water. For the system the design challenges included: communication type, optical transmitter, bubbles effect, optical receiver, link budget and electronics requirements and optical wavelength. The solution was optical wireless communications in the green spectrum using frequency shift keying (FSK) and on-off keying (OOK). The effect of strong background light was solved using an optical filter on the receiver. This thesis describes a new system to provide a swimmer with real time feedback to adjust stroke rate during swimming. A wrist-mounted accelerometer with a communications link to a receiver located on the goggles allows visual signals to be given to the athlete. As the maximum distance between a swimmer’s wrist and goggles is approximately 1m the communications system must achieve this distance or more. The range varies because of the movement of the swimmer’s arms and head.
dc.languageEnglish
dc.publisherGriffith University
dc.publisher.placeBrisbane
dc.rights.copyrightThe author owns the copyright in this thesis, unless stated otherwise.
dc.subject.keywordsSwimming coaching
dc.subject.keywordsSwimmers performance
dc.subject.keywordsOptical wireless communication
dc.subject.keywordsSwim stroke performance measurement
dc.subject.keywordsFrequency shift keying (FSK)
dc.subject.keywordsOn-off keying (OOK)
dc.subject.keywordsAthlete monitoring
dc.titleReal Time Evaluation of Swimmers Performance Based on an Optical Wireless Communication System
dc.typeGriffith thesis
gro.facultyScience, Environment, Engineering and Technology
gro.rights.copyrightThe author owns the copyright in this thesis, unless stated otherwise.
gro.hasfulltextFull Text
dc.contributor.otheradvisorO'Keefe, Steven
dc.contributor.otheradvisorFickenscher, Thomas
dc.rights.accessRightsPublic
gro.identifier.gurtIDgu1428630853941
gro.source.ADTshelfnoADT0
gro.source.GURTshelfnoGURT
gro.thesis.degreelevelThesis (PhD Doctorate)
gro.thesis.degreeprogramDoctor of Philosophy (PhD)
gro.departmentGriffith School of Engineering
gro.griffith.authorHagem, Rabee


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