Essays about: "Base station BS"

Showing result 21 - 25 of 33 essays containing the words Base station BS.

  1. 21. Enhancements in LTE OTDOA Positioning for Multipath Environments

    University essay from Linköpings universitet/Kommunikationssystem

    Author : Ivar Olofsson; [2016]
    Keywords : positioning; TDOA; NLOS bias; multiple TOA candidates; probabilistic method; ML estimation; LTE; simulation;

    Abstract : By using existing radio network infrastructure, a user can be positioned even where GPS and other positioning technologies lack coverage. The LTE Positioning Protocol (LPP) supports user Reference Signal Time Difference (RSTD) reports based on the Time of Arrival (TOA) for a Positioning Reference Signal (PRS). READ MORE

  3. 22. Investigating the Effect of Antenna Polarization on the Performance of CoMP Systems based on Synchronous Multi-link Measurements

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

    Author : Sakib- Bin- Redhwan; Ahmad Shekhan; [2016]
    Keywords : CoMP; MU-MIMO; Sum-rate Capacity; Beamforming; Technology and Engineering;

    Abstract : In this master thesis work, the effect of polarization, at the Base Station (BS) side, on the performance of multi-user Coordinated Multipoint (CoMP) systems is studied. This study was performed using synchronous multi-link measurements that took place at the campus of the faculty of Engineering, LTH, Lund University, Lund, Sweden, where two different BS setups were studied. READ MORE

  4. 23. Energy saving using traffic adaptive base station operation (cell DTX) in heterogeneous cellular networks

    University essay from KTH/Skolan för informations- och kommunikationsteknik (ICT)

    Author : Tukue Gebremariam Gebregergis; [2015]
    Keywords : ;

    Abstract : Nowadays, mobile broadband data traffic is growing exponentially and will continue to grow for the coming years. Accordingly, the operational cost of a mobile network will increase significantly due to the fact that a large number of base stations will be deployed to support the high traffic demand. READ MORE

  5. 24. Massive MIMO Channel Modeling

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

    Author : Yongchun Wang; Xin You; [2015]
    Keywords : massive MIMO; 5G; channel modeling; the Kronecker model; the Weichselberger model; capacity; sum-rate; singular value spread; the Random Cluster Model; cluster; spatial correlation; large-scale fading; Technology and Engineering;

    Abstract : Massive MIMO has attracted many researchers’ attention as it is a promising technology for future 5G communication systems. To characterize the propagation channels of the massive MIMO and to evaluate system performance, it is important to develop an accurate channel model for it. In this thesis, two correlative models, i.e. READ MORE

  6. 25. Traffic-Aware Base Station Sleeping Control with Cooperation for Energy-Delay Tradeoffs in Multi-cell Cellular Network

    University essay from KTH/Kommunikationsteori

    Author : Jia Wang; [2015]
    Keywords : ;

    Abstract : From an energy eciency viewpoint of improving the cellular access networks, the power consumption of the whole system needs to be tracked. In this project, a theoretical model is studied which jointly encompasses sleep control strategy and Base Station (BS) cooperation polices, our goal is to obtain a Pareto Op- timal tradeo between energy consumption and average delay time. READ MORE