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A sensor node soC architecture for extremely autonomous wireless sensor networks

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Resumo:The Internet of Things (IoT) is revolutionizing the Internet of the future and the way new smart objects and people are being connected into the world. Its pervasive computing and communication technologies connect myriads of smart devices, presented at our everyday things and surrounding objects. Big players in the industry forecast, by 2020, around 50 billion of smart devices connected in a multitude of scenarios and heterogeneous applications, sharing data over a true worldwide network. This will represent a trillion dollar market that everyone wants to take a share. In a world where everything is being connected, device security and device interoperability are a paramount. From the sensor to the cloud, this triggers several technological issues towards connectivity, interoperability and security requirements on IoT devices. However, fulfilling such requirements is not straightforward. While the connectivity exposes the device to the Internet, which also raises several security issues, deploying a standardized communication stack on the endpoint device in the network edge, highly increases the data exchanged over the network. Moreover, handling such ever-growing amount of data on resource-constrained devices, truly affects the performance and the energy consumption. Addressing such issues requires new technological and architectural approaches to help find solutions to leverage an accelerated, secure and energy-aware IoT end-device communication. Throughout this thesis, the developed artifacts triggered the achievement of important findings that demonstrate: (1) how heterogeneous architectures are nowadays a perfect solution to deploy endpoint devices in scenarios where not only (heavy processing) application-specific operations are required, but also network-related capabilities are major concerns; (2) how accelerating network-related tasks result in a more efficient device resources utilization, which combining better performance and increased availability, contributed to an improved overall energy utilization; (3) how device and data security can benefit from modern heterogeneous architectures that rely on secure hardware platforms, which are also able to provide security-related acceleration hardware; (4) how a domain-specific language eases the co-design and customization of a secure and accelerated IoT endpoint device at the network edge.
Autores principais:Gomes, Tiago Manuel Ribeiro
Ano:2017
País:Portugal
Tipo de documento:tese de doutoramento
Tipo de acesso:acesso aberto
Instituição associada:Universidade do Minho
Idioma:inglês
Origem:RepositóriUM - Universidade do Minho

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