Essays about: "Mobiltelefoni"

Showing result 1 - 5 of 14 essays containing the word Mobiltelefoni.

1. 1. Facilitating communication for marginalised communities in Mexico : Designing a progressive web application with a participatory design approach

   University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

   Author : Amanda Lindén Guinez; [2019]
   Keywords : Participatory design; ICT4D; mobile usability; design evaluation;

   Abstract : There are areas in Oaxaca, Mexico, where larger telephone operators have refused to install a cellular network, leaving mainly indigenous communities without connectivity. A minor field study was carried out in the affected areas with the aim to build an application tackling some of the existing connectivity problems. READ MORE

3. 2. Implementing an Address System in Uganda : How will it Affect Commerce?

   University essay from KTH/Industriell ekonomi och organisation (Inst.)

   Author : THERESE JERNBECK; [2018]
   Keywords : Uganda; address system; digital solution; infrastructure; commerce; Uganda; adressystem; digitala lösningar; infrastruktur; handel;

   Abstract : Uganda is a low-income country in eastern Africa which has experienced social and economic improvements since the mobile phone was launched (Deloitte, GSMA, and Cisco, 2012). The positive attitude towards mobile solutions contributes to the country´s growth in the international world, even if some circumstances are blocking the full potentials (African Development Bank, 2014). READ MORE

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

   University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

   Author : Emmanuel Chaudron; [2018]
   Keywords : 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;

   Abstract : 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. READ MORE

5. 4. Feasibility Study of Indoor Positioning in a Hospital Environment Using Smartphone Sensors

   University essay from Linköpings universitet/Reglerteknik

   Author : Joakim Skytte; [2017]
   Keywords : Indoor positioning ; smartphone; IMU; Wi-Fi; Dead Reckoning ; Inomhuspositionering; tröghetsnavigering; wifi;

   Abstract : This thesis is a feasibility study of contemporary indoor positioning approaches in an hospital environment using sensor available on Android phones together with Wi-Fi fingerprintingand map information. The purpose is to determine the resolution of pedestrian indoor positioning and whether it is sufficient for room level accuracy. READ MORE

6. 5. Crest Factor Reduction using High Level Synthesis

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

   Author : Hassan Mahmood; [2017]
   Keywords : Peak to average power ratio; Crest factor; Peak cancellation crest factor reduction; High level synthesis; Design space exploration; Object oriented programming; SystemC; Skillnad mellan maximal effekt och medeleffekt; Toppfaktor; Algoritmen peak cancellation; Högnivåsyntes; SystemC; Undersökningen av designalternativ; Objektorienterad programmering;

   Abstract : Modern wireless mobile communication technology has made noticeable improvements from the technologies in the past but is still plagued by poor power efficiency of power amplifiers found in today’s base stations. One of the factors that affect the power efficiency adversely comes from modern modulation techniques like orthogonal frequency division multiplexing which result in signals with high peak to average power ratio, also known as the crest factor. READ MORE