Essays about: "received signal strength RSS"

Showing result 11 - 15 of 17 essays containing the words received signal strength RSS.

  1. 11. Energy-Efficient Mobile Communication with Cached Signal Maps

    University essay from Linköpings universitet/Programvara och system

    Author : Rasmus Holm; [2016]
    Keywords : 3G; energy-estimation; signal maps; RSS; signal strength; energy consumption; mobile;

    Abstract : Data communication over cellular networks is expensive for the mobile device in terms of energy, especially when the received signal strength (RSS) is low. The mobile device needs to amplify its transmission power to compensate for noise leading to an increased energy consumption. READ MORE

  2. 12. Victim Localization Using RF-signals and Multiple Agents in Search & Rescue

    University essay from Linköpings universitet/Reglerteknik; Linköpings universitet/Tekniska fakulteten

    Author : Jacob Sundqvist; Jonas Ekskog; [2015]
    Keywords : localization; agents; search rescue; RF; Wi-Fi; android; mobile; drone; unmanned aerial vehicle; RSS;

    Abstract : A common problem in existing Search And Rescue (SAR) systems is that they must be activated by the missing person in order to work. This requires an awareness of the the risk of becoming distressed, which in many cases is not feasible. Furthermore, most of the localization systems require specialized hardware. READ MORE

  3. 13. Indoor Positioning Using Opportunistic Multi-Frequency RSS With Foot-Mounted INS

    University essay from Linköpings universitet/Reglerteknik; Linköpings universitet/Tekniska högskolan

    Author : Martin Nilsson; [2014]
    Keywords : Particle filters; Simultaneous localization and mapping; Radio navigation; Multisensor integration;

    Abstract : Reliable and accurate positioning systems are expected to significantly improve the safety for first responders and enhance their operational efficiency. To be effective, a first responder positioning systemmust provide room level accuracy during extended time periods of indoor operation. READ MORE

  4. 14. Outdoor localization system based on Android and ZigBee capable devices

    University essay from Blekinge Tekniska Högskola/Institutionen för datalogi och datorsystemteknik

    Author : Enrique García Gutiérrez; [2014]
    Keywords : ZigBee; Android; positioning; RSSI; triangulation; wireless devices;

    Abstract : Context. Localization and positioning services are nowadays very extended and the growth is still continuing. Many places already provide wireless tracking systems to monitor the people or material movements, specially indoors. READ MORE

  5. 15. A TinyOS Testbed for CC2420 Transceivers

    University essay from Mittuniversitetet/Avdelningen för informations- och kommunikationssystem

    Author : Muhammad Asif Jamal; [2013]
    Keywords : TinyOS; Motes; WSN; RSS; testbed; nesC; MICAz; MIB520; Handshaking; Frame length byte;

    Abstract : Wireless Sensor Networks (WSNs) have gained significant consideration these days, as opposed to wired sensor networks, by introducing multi-functional wireless nodes, which are smaller in size. The main advan-tage is that its wireless, so it costs less to install, maintain and reconfig-ure. These sensor nodes are used in various application areas. READ MORE