Search for dissertations about: "DECT"

Showing result 1 - 5 of 12 swedish dissertations containing the word DECT.

2. 1. The development of wireless infrastructure standards

   Author : Fredrik Gessler; KTH; []
   Keywords : standards; standardisation; wireless communication; technologocial development; development process; DECT; WCDMA; 3G;

   Abstract : This thesis treats the development of wirelessinfrastructure standards resulting from co-operative research,development and standardisation efforts. It strives to identifykey influences on this development process, and toconceptualise the process itself. READ MORE

4. 2. Integrated Frequency Synthesis for Convergent Wireless Solutions

   Author : Jad G. Atallah; Mohammed Ismail Elnaggar; Erik Bruun; KTH; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; wireless; transceiver; Bluetooth; DECT; GSM; 3G; LTE; WLAN; WiMAX; multi-standard; vertical handover; Sniffer; frequency synthesizer; phase-locked loop; PLL; sigma-delta; calibration; Electronics; Elektronik;

   Abstract : Wireless transceivers combining several standards in one unit are of key importance. In order to reach the ultimate goal of maximizing the performance-to-cost ratio of such modules, a careful study of the target application, the architecture, and the frequency planning is strongly required. READ MORE

5. 3. The development of the DECT standard : an example of technical standardisation wireless communications

   Author : Fredrik Gessler; KTH; []
   Keywords : ;

   Abstract : .... READ MORE

6. 4. Health symptoms and potential effects on the blood-brain and blood-cerebrospinal fluid barriers associated with use of wireless telephones

   Author : Fredrik Söderqvist; Lennart Hardell; David Carpenter; Örebro universitet; []
   Keywords : radiofrequency fields; mobile telephone; DECT-telephone; cordless telephone; children; adolescents; well-being; choroid plexus; biomarkers; S100B; transthyretin; MEDICINE; MEDICIN; Medicine; Medicin;

   Abstract : Recent years have seen a rapid increase in the use of wireless telephones, yet little systematic data exist on the actual use of such devices in the general population. Mobile and cordless telephones emit radiofrequency fields (RF) raising concern about possible adverse health effects. READ MORE

7. 5. Aspects on Image Quality in Radiologic Evaluation of the Urinary Tract

   Author : Margareta Lundin; Anders Persson; Torbjörn Andersson; Håkan Geijer; Anders Magnuson; Jan Persliden; Anders Magnusson; Linköpings universitet; []
   Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES;

   Abstract : The focus of this document is on image quality as one of the factors fundamental for the diagnostic process. With the rising number of procedures and the trend towards more complicated examinations, urinary tract investigations was chosen in this work as a good clinical model for evaluation of the factors influencing image quality and of the ways of evaluating image quality. READ MORE