Essays about: "cellular services"

Showing result 16 - 20 of 72 essays containing the words cellular services.

  1. 16. OTDOA-Based Positioning in Narrowband IoT

    University essay from Lunds universitet/Institutionen för elektro- och informationsteknik

    Author : Axel Berg; [2017]
    Keywords : IoT NB-IoT OTDOA Positioning; Technology and Engineering;

    Abstract : This thesis considers the problem of improving the performance of observed time difference of arrival (OTDOA) based positioning for Narrowband Internet of Things (NB-IoT). A new iterative low-complexity algorithm based on expectation maximization successive interference cancellation (EM-SIC) is presented. READ MORE

  3. 17. Research and implementation of an indoor positioning algorithm

    University essay from Mittuniversitetet/Avdelningen för informationssystem och -teknologi

    Author : Honggang Liu; [2017]
    Keywords : Wireless sensor network; Indoor positioning; Wi-Fi; ZigBee;

    Abstract : The goal of the Internet of Things’ sensing technology is to provide LBS(location-based services); a key technology is finding out how to positioning the sensing devices. For positioning outdoors, mature tech-nology such as GPS and cellular network location can be used. READ MORE

  4. 18. WiFi Hotspots for Reindeer Herding and other Delay-Tolerant Applications

    University essay from Luleå tekniska universitet/Datavetenskap

    Author : Samuel Sjödin; [2017]
    Keywords : ;

    Abstract : Despite continuous advancements in mobile communication technologies, there are rural areas even in developed countries like Sweden that still lack basic forms of connectivity. Sweden’s arctic region suffer from a low cost effectiveness of mobile telecommunication infrastructures which results in a lack of cellular coverage in many areas. READ MORE

  5. 19. Performance Evaluation of IEC61850-90-5 Over a Non-Commercial4G LTE Network

    University essay from Uppsala universitet/Institutionen för informationsteknologi

    Author : Linus Eriksson; [2017]
    Keywords : ;

    Abstract : Old electrical power grids with unidirectional power flow are transforming intoenhanced smart grid systems with bidirectional power flow. Advancements incommunication infrastructure can offer new ways on how communication can beutilized within the grid. READ MORE

  6. 20. Muting pattern strategy for positioning in cellular networks.

    University essay from Linköpings universitet/Artificiell intelligens och integrerade datorsystem

    Author : Elena Moral López; [2017]
    Keywords : ;

    Abstract : Location Based Services (LBS) calculate the position of the user for different purposes like advertising and navigation. Most importantly, these services are also used to help emergency services by calculating the position of the person that places the emergency phone call. READ MORE