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Hardware/Software interface for enhanced remote control of Android set-top-box

2015-12-23Master thesis Open access
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datacite.subject.fosDomínio/Área Científica:Engenharia e Tecnologia:Engenharia Eletrotécnica, Eletrónica e Informáticapt_PT
dc.contributor.advisorAssuncão, Pedro António Amado de
dc.contributor.authorSantos, Ricardo Alexandre Caseiro dos
dc.date.accessioned2016-03-03T13:28:09Z
dc.date.available2016-12-23T01:30:08Z
dc.date.issued2015-12-23
dc.description.abstractThis dissertation describes the research and development of a communication system to support remote control devices (RCD) for Android-based set-to-box (STB). The target RCD is a low-complexity device using 3D motion tracking to provide new interactive functionalities to di erent types of multimedia content and applications. The system architecture comprises an RCD with Magnetic, Angular Rate, Gravity (MARG) unit for 3D motion tracking, transmitting data to an Android STB. The communication between the RCD and the STB was implemented using the Radio Frequency for Consumer Electronics (RF4CE) protocol, which required the development of an external module for the STB. An Application Programming Interface (API) was developed to enable seamless computation of the remote control data and allowing six input pro- les on the Android: Absolute air mouse, Relative air mouse, multitouch, accelerometer, gyroscope and magnetometer. To allow the sensors from the MARG unit in the remote control device to be natively recognized on the Android OS, an Android sensors library was also developed, this reads the sensors data from the API. The demonstration of the system functionalities was done through an Android application speci cally developed to simulate and test a potential usage environment. A study to nd out whether the most complex functions should run on the RCD or on the Android STB was also carried out. The optimal solution still remains an open issue since it depends on the speci c application and portability requirements taking into account energy consumption. The analysis of energy consumption on the RCD shows that transmitting the raw data from the sensors to be processed in the API, results in a lower energy consumption, and consequently higher portability with good accuracy. Since the STB has no limitations on energy consumption and superior computational power, the API was designed to be able to perform all the processing of sensors data, thus allowing the implementation of complex fusion algorithms with higher precision.pt_PT
dc.identifier.tid201066114pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.8/1554
dc.language.isoengpt_PT
dc.subjectAndroidpt_PT
dc.subjectAPIpt_PT
dc.subjectSet-Top-Boxpt_PT
dc.subjectUSBpt_PT
dc.subjectHIDpt_PT
dc.subjectSensorespt_PT
dc.titleHardware/Software interface for enhanced remote control of Android set-top-boxpt_PT
dc.typemaster thesis
dspace.entity.typePublication
rcaap.rightsopenAccesspt_PT
rcaap.typemasterThesispt_PT
thesis.degree.nameMaster in Electrical and Electronic Engineeringpt_PT

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ESTG - Mestrado em Engenharia Eletrotécnica