Sökning: "Bluetooth"

Visar resultat 1 - 5 av 306 uppsatser innehållade ordet Bluetooth.

  1. 1. Evaluating Off-the-shelf Hardware for Indoor Positioning

    Master-uppsats, Lunds universitet/Institutionen för elektro- och informationsteknik

    Författare :Yaqin Chen; [2017]
    Nyckelord :Indoor positioning; UWB; WIFi; BLE; TOF; RSS; Technology and Engineering;

    Sammanfattning : An indoor positioning system (IPS) is a system to locate objects in indoor environments using radio waves, magnetic fields, acoustic, optical and video signals or other sensory information with help of a number of known reference positions. Nowadays, indoor positioning based services are used in a wide variety of areas and indoor positioning is getting considerable attention from both research and industry. LÄS MER

  2. 2. Molnkopplade koldioxid sensorer : Prototypkonstruktion och strömmätningar

    Kandidat-uppsats, Mittuniversitetet/Avdelningen för elektronikkonstruktion

    Författare :Jonas Nygård Skalman; [2017]
    Nyckelord :Senseair; CO2; LP8; Bluetooth; Superkondensator; Low-power;

    Sammanfattning : Dagens stora miljöutmaningar i form av förbränning av fossila bränslen och medföljande koldioxidutsläpp har också gjort att många individer blivit allt mer miljömedvetna. Avancerade sensor för att mäta koldioxid finns numera på marknaden i form av lågenergiförbrukande alternativ som Senseairs LP8. LÄS MER

  3. 3. Security and Privacy for Modern and Emerging Mobile Systems

    Kandidat-uppsats, KTH/Skolan för teknikvetenskap (SCI)

    Författare :Alexander Hjelm; [2017]
    Nyckelord :;

    Sammanfattning : The fundamentals of secure systems can be presentedas the three cornerstones: authentication (trustworthinessof senders), integrity (inability to alter messages) and confidentiality(inability to read messages for anyone except theintended recipient). In this project, an android application hasbeen programmed by the author with the purpose of sendinggeographical data over a bluetooth connection in a secure peerto-peer manner. LÄS MER

  4. 4. Extended Bluetooth Profiles on CCpilot displays

    Uppsats för yrkesexamina på avancerad nivå, Uppsala universitet/Signaler och System

    Författare :Alexander Johnson; [2017]
    Nyckelord :Bluetooth; IVI; Infotainment; Linux; HFP; PBAP; MAP; PAN; A2DP; AVRCP; Handsfree; Bluez; oFono; Connman; ALSA; PulseAudio; Obexd; CCpilot; CrossControl; maximatecc; Qt; DBus;

    Sammanfattning : Bluetooth is used in modern cars to connect smartphones to stream music, to access internet and for phone services such as phone book contacts and making calls. Similar features are now requested by customers of maximatecc's products, e.g. display computers, for offroad vehicles. LÄS MER

  5. 5. Hardware optimizations and solutions for wireless low power kinetic energy applications

    Master-uppsats, KTH/Skolan för datavetenskap och kommunikation (CSC)

    Författare :Anton Meier; [2017]
    Nyckelord :Energy harvesting; Wireless peripherals; Kinetic energy; Bluetooth; Low power; Smart Home; IoT;

    Sammanfattning : The number of IoT (Internet of Things) devices available on the market has been growing rapidly in the past few years and is expected to grow even more in the years to come. These IoT devices are predominantly in the form of very small wireless peripherals with low power consumption making them suitable for running over extended periods of time using only coin cell batteries. LÄS MER

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