Essays about: "Telephony"

Showing result 6 - 10 of 105 essays containing the word Telephony.

  1. 6. Analyzing VoIP connectivity and performance issues

    University essay from

    Author : Mehenni Sadaoui; [2019]
    Keywords : VoIP; connectivity and performance issues; call quality; packet traces.;

    Abstract : The appearance of Voice over IP (VoIP) revolutionized the telecommunications word, this technology delivers voice communications over the internet protocol (IP) networks instead of the public switched telephone network (PSTN), calls can be made between two VoIP phones as well as between a VoIP phone and an analog phone connected to a VoIP adapter [1]. The use of this technology gives access to more communication options compared to the conventional telephony but the users face different problems, mostly connectivity and performance issues related to different factors such as latency and jitter [2], these factors affect directly the call quality and can result in choppy voice, echoes, or even in a call failure. READ MORE

  3. 7. Critical Infrastructure Resilience – Comparing Swedish critical infrastructures based on interruption data

    University essay from Lunds universitet/Avdelningen för Riskhantering och Samhällssäkerhet; Lunds universitet/Riskhantering (CI)

    Author : Elsa Axelsdóttir; Rasmus Jonason Bjärenstam; [2018]
    Keywords : critical infrastructure; resilience assessment; resilience metrics; resilience analysis; Sweden; spatial planning; Technology and Engineering;

    Abstract : Today’s modern societies are becoming increasingly dependent on the vital societal functions that technical critical infrastructures provide, for example availability of electricity, tap water and internet connectivity. Hence, it is of essence that these infrastructures are resilient to interruptions. READ MORE

  4. 8. 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. 9. Responsive web design – an explorative analysis from an aesthetic, functional and technical perspective

    University essay from Mälardalens högskola/Akademin för innovation, design och teknik

    Author : Aleksandra Ciesielska; [2018]
    Keywords : responsive web design; design process; double diamond;

    Abstract : Since the third-generation’s mobile telephony was introduced, the use of the Internet changed significantly. Websites can nowadays be viewed from a wide range of devices that differ in type and size. This puts a demand on the design of web pages because the page should be equally useful regardless of the type of device used to view the page. READ MORE

  6. 10. Acoustic feedback suppression in audio mixer for PA applications

    University essay from Umeå universitet/Institutionen för fysik

    Author : Mattias Ekström; [2017]
    Keywords : Digital signal processing; feedback suppression;

    Abstract : When a speaker is addressing an audience, a PA system consisting of a microphone and a loudspeaker is often used. If the microphone picks up too much of the loudspeaker energy, acoustic feedback in the form of an unwanted characteristic howling can occur. READ MORE