Essays about: "the first Telephone thesis"

Showing result 1 - 5 of 24 essays containing the words the first Telephone thesis.

  1. 1. Simulation and Testing of a MU-MIMO Beamforming System

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

    Author : Nazyar Mehdishishavan; Zonghan Wang; [2023]
    Keywords : Multi-User Multiple-Input Multiple-Output MU-MIMO ; Beamforming; Sounding Reference Signal SRS ; Reciprocity-based; Butler matrix; Advanced Antenna System AAS ; Technology and Engineering;

    Abstract : Multi-User Multiple-Input Multiple-Output (MU-MIMO) technology has become increasingly important in the field of wireless communication due to its ability to highly increase the capacity and efficiency of wireless networks [1]. Beamforming, as a technique used in MU-MIMO systems, improves network performance by improving signal quality and reducing interference. READ MORE

  2. 2. Understanding the correlation between molecular structure of chilled dairy creams and the risk of environmental stress cracking in Tetra Pak® carton packages

    University essay from Lunds universitet/Livsmedelsteknik och nutrition (master)

    Author : Alejandra Fernandez Castaneda; [2022]
    Keywords : Cream; microestructure; environmental stress cracking; food technology and nutrition; Agriculture and Food Sciences;

    Abstract : Multilayer food packaging are lined with an inner layer of plastic and has excellent barrier properties. However, plastics lose their mechanical properties after being exposed to certain conditions; the combination of factors generates failures in the material such as the appearance of cracks, this phenomenon is known as environmental stress cracking (ESC). READ MORE

  3. 3. Circular Economy, the future economy model for retailers : A qualitative study on retailers understanding of Circular Economy and their sustainability work progress.

    University essay from Linnéuniversitetet/Institutionen för marknadsföring (MF)

    Author : Pauline Brodersen; Johanna Håkansson; Viktor Pombal Rodrigues Coelho; [2020]
    Keywords : Circular Economy; Reuse; Reduce; Recycle; Sustainability; Triple Bottom Line; Corporate Social Responsibility; Supply chain; Retail;

    Abstract : This thesis is about Circular Economy and sustainability through a retailer’s perspective. There has also been a focus on researching and trying to find out if the size of the retailer matters in a sustainability perspective and to achieve a Circular Economy. READ MORE

  4. 4. Evaluating Voice over IP phone implementation on a freescale Cortex A9 processor running Linux using open source SIP and WebRTC

    University essay from Umeå universitet/Institutionen för datavetenskap

    Author : Eric Sjögren; [2016]
    Keywords : ;

    Abstract : Voice over IP (VoIP) is a methodology that refers to the delivery of multimedia and voice sessions over an Internet connection and it provides an alternative to regular voice calls using phone lines, usually referred to as the Public Switched Telephone Network (PSTN). Web Real-Time Communication (WebRTC) is an API denition for browser-to-browser VoIP applications; the denition acts as a foundation for applications using voice, video, chat, and P2P le sharing in a browser environment without the need of either internal or external plugins. READ MORE

  5. 5. Simulating production risk at Volvo Powertrain - Developing a simulation tool for decision making

    University essay from Lunds universitet/Förpackningslogistik

    Author : Magnus Cederlund; [2014]
    Keywords : Risk Management; Supply Chain Risk Management; Fault Tree Analysis; Preliminary Hazard Analysis; Lean Production; Risk Matrix; World Class Manufacturing; Fire Safety; Volvo Powertrain; Business and Economics; Technology and Engineering;

    Abstract : How can a small fire at a subcontractor in the USA lead to a multimillion dollar loss at a Swedish telephone company, and how can a single machine breakdown lead to a complete production stop at a production company? With today logistics and production trends, where terms such as Lean Production, Six Sigma, 5S, and World Class Manufacturing are used every day, production companies are introducing streamline production facilities and supply chain where goods and raw material are delivered just in time, where buffer zones are reduced, and where suppliers are reduced to a single source. These are trends that strengthen companies’ competitiveness, but it also makes companies more vulnerable to risk events. READ MORE