Sökning: "Relays"

Visar resultat 16 - 20 av 53 avhandlingar innehållade ordet Relays.

  1. 16. Cooperative Communications : Link Reliability and Power Efficiency

    Författare :Tafzeel ur Rehman Ahsin; Ben Slimane; Xavier Lagrange; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Cooperative Communications; Link Reliability; Power Efficiency; Energy Efficiency; Network Coding; Cooperative Relaying; SRA - ICT; SRA - Informations- och kommunikationsteknik;

    Sammanfattning : Demand for high data rates is increasing rapidly for the future wireless generations, due to the requirement ofubiquitous coverage for wireless broadband services. More base stations are needed to deliver these services, in order tocope with the increased capacity demand and inherent unreliable nature of wireless medium. LÄS MER

  3. 17. Who you gonna call? Examining the possibilities of remote veterinary meat inspection

    Författare :Viktor Almqvist; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Nyckelord :LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES;

    Sammanfattning : Demand for locally produced meat from small-scale slaughterhouses and game-handling facilities brings severe logistical challenges in meat inspection, since such facilities are often situated in rural areas and the costs and time associated with inspection visits to remote establishments are significant. With advances in technology, it might be possible to conduct meat inspections remotely via video link. LÄS MER

  4. 18. Algorithms and Models for Positioning and Scheduling in Wireless Sensor Networks

    Författare :Mats Rydström; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : This thesis considers two problems related to wirelesssensor networks.The first (and main) considered problem is the inference of sensornode positions based on transmissions of RF signals between sensornodes and/or between sensor nodes and fixed reference nodes. LÄS MER

  5. 19. Methods for Synchrophasor-Based Power SystemInstability Detection and HVDC Control

    Författare :Rujiroj Leelaruji; Luigi Vanfretti; Jean Mahseredjian; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Wide-Area Monitoring Protection and Control Systems; Synchrophasor applications; Wide-Area Voltage Instability Detection; Wide-Area EarlyWarning Systems; Automatic Voltage Stabilizer;

    Sammanfattning : The recent availability Phasor Measurement Unit (PMU) functionalities in relay technology has opened up new opportunities for power system protection, allowing this microprocessor-based technology to be used beyond traditional protection purposes. This technology now also considers the computation and communication mechanisms that allow the transmission of synchronized phasor measurements. LÄS MER

  7. 20. Discovering and targeting the mechanisms that govern age-related decline

    Författare :Xin-Xuan Lin; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :;

    Sammanfattning : Aging is recognized as a major risk factor for many diseases. Thus, the identification of a means to target aging would bear great potential to improve human health and quality of life. LÄS MER