Energy Efficiency of Bluetooth Low Energy and IEEE 802.15.4 in Constrained Wireless Sensor Networks

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http://urn.fi/URN:NBN:fi:hulib-202012084734
Julkaisun nimi: Energy Efficiency of Bluetooth Low Energy and IEEE 802.15.4 in Constrained Wireless Sensor Networks
Tekijä: Poteri, Juho
Muu tekijä: Helsingin yliopisto, Matemaattis-luonnontieteellinen tiedekunta
Julkaisija: Helsingin yliopisto
Päiväys: 2020
Kieli: eng
URI: http://urn.fi/URN:NBN:fi:hulib-202012084734
http://hdl.handle.net/10138/322478
Opinnäytteen taso: pro gradu -tutkielmat
Oppiaine: Tietojenkäsittelytiede
Tiivistelmä: The Internet of Things (IoT) paradigm is seeing rapid adoption across multiple domains—industry, enterprise, agriculture, smart cities, households, only to name a few. IoT applications often require wireless autonomy, thereby placing challenging requirements on communication techniques and power supply methods. Wireless networking using devices with constrained energy, as often is the case in wireless sensor networks (WSN), provokes explicit considerations around the conservation of the supplied power on the one hand and the efficiency of the power drawn and energy used on the other. As radio communications characteristically consume the bulk of all energy in wireless IoT systems, this constrained energy budget combined with aspirations for terminal device lifetime sets requirements for the communications protocols and techniques used. This thesis examines two open architecture low-power wide-area network (LPWAN) standards with mesh networking support, along with their energy consumption profile in the context of power-constrained wireless sensor networks. The introductory section is followed by an overview of IoT and WSN foundations and technologies. The following section describes the IEEE 802.15.4 standard and ecosystem, followed by the Bluetooth LE and Bluetooth Mesh standards. A discussion on these standards' characteristics, behavior, and applicability to power-constrained sensor networks is presented.
Avainsanat: Internet of Things
wireless sensor networks
IEEE 802.15.4
Bluetooth 5
BLE
energy efficiency


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