Sökning: "wirelessly powered sensors"

Hittade 5 avhandlingar innehållade orden wirelessly powered sensors.

  1. 1. Wirelessly Powered Communications: From Signal Optimization to Antenna Design

    Författare :Boules Atef Nessim Mouris; Ragnar Thobaben; Aggelos Bletsas; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Wireless power transfer; multi-tone signals; non-linear energy harvester; wirelessly powered sensors; joint source-channel coding; analog mappings; energy scheduling; mutual coupling reduction; electromagnetic bandgap; glide symmetry.; Electrical Engineering; Elektro- och systemteknik;

    Sammanfattning : Future internet-of-things (IoT) and beyond 5G communication systems are envisioned to offer large-scale wireless connectivity where the different components of life, society and industry are connected in a smart yet sustainable way. The need for continuous battery charging and/or replacement is a bottleneck for sustainability in these systems. LÄS MER

  3. 2. Optimal Networking in Wirelessly Powered Sensor Networks

    Författare :Rong Du; Carlo Fischione; Ming Xiao; Aylin Yener; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Wireless energy transfer; network lifetime; energy beamforming; IoT; smart cities; sensor networks; scheduling; optimization; Electrical Engineering; Elektro- och systemteknik;

    Sammanfattning : Wireless sensor networks (WSNs) are nowadays widely used for the long-term monitoring of small or large regions, such as lakes, forests, cities, and industrial areas. The performance of a WSN typically consists of two aspects: i) the monitoring performance, e.g. LÄS MER

  4. 3. Studies On Design of Near-Field Wireless-Powered Biphase Implantable Stimulators

    Författare :Yonatan Habteslassie Kifle; Jacob Wikner; Atila Alvandpour; Sebastian Bader; Linköpings universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : Portable and implantable electronics are becoming increasingly important in the healthcare sector. One of the challenges is to guarantee stable systems for longer periods of time. If we consider applications such as electrical nerve stimulation or implanted ion pumps, the requirements for, e.g. LÄS MER

  5. 4. Scalable and Interoperable Low-Power Internet of Things Networks

    Författare :Joakim Eriksson; Thiemo Voigt; Per Gunningberg; Leo Selavo; Uppsala universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; IoT; low-power networking; scalability; interoperability;

    Sammanfattning : Internet of Things (IoT) is the concept of connecting devices to the Internet. IoT devices can be anything from small temperature sensors to self-driving cars. The devices are typically resource-constrained, connected wirelessly, and often battery-powered. LÄS MER

  7. 5. Development of Wireless Biosensors Integrated into the Radio Frequency Antenna for Chipless and Battery-less Monitoring of Biological Reactions

    Författare :Atefeh Shafaat; Tautgirdas Ruzgas; Sebastian Björklund; Javier Sotres; Jessica Neilands; Daniel Aili; Malmö universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES;

    Sammanfattning : Development of wireless sensors and biosensors is currently experiencing a rapid progress with a substantial focus directed toward highlighting their potential applications as non-invasive wearables, implants, and highly mobile point-of-care devices. Integration of wireless biosensors into the Internet of Things (IoT) is widely acknowledged as a technological advancement with the potential to significantly change daily life. LÄS MER