Search for dissertations about: "Lirong Zheng"

Showing result 1 - 5 of 9 swedish dissertations containing the words Lirong Zheng.

  1. 1. Printable Green RFID Antennas for Embedded Sensors

    Author : Yasar Amin; Hannu Tenhunen; Lirong Zheng; Qiang Chen; Leena Ukkonen; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; RFID; Antennas; Inkjet printing; Wideband Antennas; Narrow-band Antennas;

    Abstract : In the recent years, radio-frequency identification (RFID) technology has been widely integrated into modern society applications, ranging from barcode successor to retail supply chain, remote monitoring, detection and healthcare, for instance. In general, an RFID tag or transponder is composed of an antenna and an application-specific integrated circuit chip. READ MORE

  2. 2. Ultra-low-power Design and Implementation of Application-specific Instruction-set Processors for Ubiquitous Sensing and Computing

    Author : Ning Ma; Lirong Zheng; Zhonghai Lu; Zhuo Zou; Jari Nurmi; KTH; []

    Abstract : The feature size of transistors keeps shrinking with the development of technology, which enables ubiquitous sensing and computing. However, with the break down of Dennard scaling caused by the difficulties for further lowering supply voltage, the power density increases significantly. READ MORE

  3. 3. Radio and Sensor Interfaces for Energy-autonomous Wireless Sensing

    Author : Jia Mao; Lirong Zheng; Zhuo Zou; Markku Åberg; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Ultra-wideband; asymmetric UHF UWB radio; clock harvesting; time-domain sensing; energy efficiency; Internet-of-things; Informations- och kommunikationsteknik; Information and Communication Technology;

    Abstract : Along with rapid development of sensing and communication technology, Internet of Things (IoTs) has enabled a tremendous number of applications in health care, agriculture, and industry. As the fundamental element, the wireless sensing node, such as radio tags need to be operating under micro power level for energy autonomy. READ MORE

  4. 4. Technologies and Architectures of the Internet-of-Things (IoT) for Health and Well-being

    Author : Zhibo Pang; Zheng Lirong; Chen Qiang; Elena Dubrova; Lida Xu; KTH; []
    Keywords : Internet-of-Things; Wireless Sensor Network; Enterprise Information System; Food Supply Chain; In-Home Healthcare; SRA - ICT; SRA - Informations- och kommunikationsteknik;

    Abstract : The emerging technology breakthrough of the Internet-of-Things (IoT) is expected to offer promising solutions for food supply chain (FSC) and in-home healthcare (IHH), which may significantly contribute to human health and well-being. In this thesis, we have investigated the technologies and architectures of the IoT for these two applications as so-called Food-IoT and Health-IoT respectively. READ MORE

  5. 5. Low Power Analog Interface Circuits toward Software Defined Sensors

    Author : Yajie Qin; Lirong Zheng; Kari Halonen; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; IoT; software defined sensor; SoC; bio-medical electronics; bio-electric sensor; E-patch; wearable sensor; wearable healthcare system; pervasive healthcare; CMOS; ADC; digital calibration; analog front-end; folded reference.; Electrical Engineering; Elektro- och systemteknik;

    Abstract : Internet of Things is expanding to the areas such as healthcare, home management, industrial, agriculture, and becoming pervasive in our life, resulting in improved efficiency, accuracy and economic benefits. Smart sensors with embedded interfacing integrated circuits (ICs) are important enablers, hence, variety of smart sensors are required. READ MORE