Search for dissertations about: "cos accounting"

Found 4 swedish dissertations containing the words cos accounting.

2. 1. Toward Reliable Wireless Sensor Networks : Energy-Aware Distributed interference Management for Unlicensed Bands

   Author : Luca Stabellini; Jens Zander; Riku Jäntti; KTH; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Telecommunication; Telekommunikation;

   Abstract : Wireless sensor networks have been proposed as a cost effective and easy to deploy alternative to traditional wired systems in a multitude of application scenarios ranging from industrial automation to healthcare monitoring. They are expected to enable an unparalleled number of new services that will bring countless benefits to society. READ MORE

4. 2. Optimizing Energy Efficiency in Wireless Links Through Reconfigurable Intelligent Surfaces and Optimal Ratios

   Author : Anders Enqvist; Emil Björnson; Ozlem Tugfe Demir; Cicek Cavdar; Yuanwei Liu; KTH; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; 6G; Energy Efficiency; Reconfigurable Intelligent Surfaces; 6G; energieffektivitet; rekonfigurerbara intelligenta ytor; Informations- och kommunikationsteknik; Information and Communication Technology;

   Abstract : This thesis explores the optimization of energy efficiency (EE) in the radiolink of wireless communication systems, focusing on both the user equipment (UE) and the base station (BS). The first part of the study examines strategies to minimize the energy consumption of the UE when transmitting short data payloads, utilizing a reconfigurable intelligent surface (RIS) controlled by the BS, to improve the channel conditions. READ MORE

5. 3. Mobility Management and Localizability for Cellular Connected UAVs

   Author : Irshad Ahmad Meer; Cicek Cavdar; Mustafa Ozger; Ki Won Sung; Halim Yanikomeroglu; KTH; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Unmanned aerial vehicles; Localization; Service availability; Air-to-ground channel; Mobility; Handover; Unmanned aerial vehicles; Localization; Service availability; Air-to-ground channel; Mobility; Handover;

   Abstract : Unmanned Aerial Vehicles (UAVs) connected to cellular networks present novel challenges and opportunities in mobility management and localization, distinct from those faced by terrestrial users. This thesis presents an integrated approach, combining two key aspects essential for the integration of UAVs with cellular networks. READ MORE

6. 4. Optical Characterization of Solar Collectors form Outdoor Measurements

   Author : Anna Helgesson; Avdelningen för Energi och byggnadsdesign; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

   Abstract : Due to high installation costs and relatively low output, the active use of solar energy is limited. The output from a collector can be improved e.g. by using a selective absorber, AR-treated cover glass or transparent insulation. READ MORE