Sökning: "umts teknik"

Visar resultat 1 - 5 av 14 uppsatser innehållade orden umts teknik.

  1. 1. Closing of 3G Sites : Model for Decision Making

    Master-uppsats, KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Författare :Emmanuel Chaudron; [2018]
    Nyckelord :Mobile telephony; Base station BS ; 3G sunset; UMTS; Business data processing; Economic feasibility analysis; Techno-economic study; Mobiltelefoni; Basstation; 3G sunset; UMTS; Företagsdatabehandling; Ekonomisk genomförbarhetsanalys; Tekno-ekonomisk studie;

    Sammanfattning : Radio access technologies evolving fast, mobile operators have to handle an increasing amount of base stations and frequency bands for their network to continue to function. This is a costly venture for mobile network operators that continuously have to keep up to date with never-ending advancements in technologies, as base stations are costly to build and to maintain. LÄS MER

  2. 2. Potential of existing UMTS Signaling Data for Cell Phone Positioning

    Master-uppsats, Linköpings universitet/Institutionen för teknik och naturvetenskap; Linköpings universitet/Institutionen för teknik och naturvetenskap

    Författare :Awais Akram; Hamad Ahmad; [2011]
    Nyckelord :Positioning; UMTS; SFN-SFN Observe Time Difference; SFN-SFN OTD; SFN-SFN; RSCP; RSS;

    Sammanfattning : In the current era of telecommunication the usage of cellular network has increased rapidly. Number of different new services are introduced i.e. navigation, friend finder, internet browsing, nearby filling stations, shopping centers, traffic information and emergency services. LÄS MER

  3. 3. Integration of MIMO antenna with a fully 180o differential hybrid coupler

    Master-uppsats, Linköpings universitet/Linköpings universitet/Institutionen för teknik och naturvetenskapTekniska högskolan

    Författare :Raj kumar Kallem; Sampath kumar Veerabomma; [2011]
    Nyckelord :;

    Sammanfattning : This thesis work proposes the integration of MIMO antenna (i.e., two bowtie dipole antennas) with a fully differential 180o hybrid coupler in the frequency range of 0.7-3 GHz which falls in the Ultra High Frequency (UHF) band as per the spectrum allocated by International Telecommunication Union (ITU). LÄS MER

  4. 4. MULTIPLE ANTENNA TECHNIQUES IN WiMAX

    Master-uppsats, Blekinge Tekniska Högskola/Sektionen för ingenjörsvetenskap; Blekinge Tekniska Högskola/Sektionen för ingenjörsvetenskap

    Författare :Waseem Hussain Sandhu; Muhammad Awais; [2010]
    Nyckelord :MIMO; Diversity; Multiple Antenna Techniques; WiMax;

    Sammanfattning : Now-a-days wireless networks such as cellular communication have deeply affected human lives and became an essential part of it. The demand to buy high capacity and better performance devices and cellular services has been rapidly increased. LÄS MER

  5. 5. Design of an Ultra Wideband Radio Front-End for Multi-band Communications

    Master-uppsats, Linköpings universitet/Linköpings universitet/Institutionen för teknik och naturvetenskapTekniska högskolan

    Författare :José Luis Alcaraz González; [2007]
    Nyckelord :;

    Sammanfattning : Application of multiband systems with a variety of frequency band combinations is accelerating since the communication capacity is increasing and new functions like GPS or Bluetooth are being added. It is expected, therefore, that all the handsets will probably become compatible with multibands in the near future. LÄS MER