Sökning: "Internet telephony"

Visar resultat 1 - 5 av 49 uppsatser innehållade orden Internet telephony.

  1. 1. Mätningar av internetkapacitet, tillförlitlighet och fördröjning i ett Stockholmsbaserat Starlink-system : En undersökning av hur satellitinternet kan bidra till att ökateckningsgrad i Sverige

    M1-uppsats, KTH/Hälsoinformatik och logistik

    Författare :Niclas Höglund; [2024]
    Nyckelord :Starlink; LEO; wireless; satellite; internet; ground stations; tele operators; Ku -band; Ka-band; Starlink; LEO; trådlös; satellit; internet; markstationer; teleoperatörer; Ku -bandet; Ka-bandet;

    Sammanfattning : Det är mycket dyrt att utveckla markinfrastruktur för att försörja hela jorden med internet. Detta ärspeciellt fallet i glesbebyggda områden då det finns lite ekonomisk vinning. Sverige som är ett stortoch glesbefolkat land har stora områden av denna typ. LÄS MER

  3. 2. Remotely Operated VoIP Radio for Drones

    Master-uppsats, KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Författare :Hosam Akeel; [2020]
    Nyckelord :;

    Sammanfattning : Nowadays, search and rescue organizations are considering using drones to aid in rescue missions. To ensure the drones work properly, we need to design a reliable and stable systems. One of these systems is the communication system, which creates a link between the drone and the operator. LÄS MER

  4. 3. Analyzing VoIP connectivity and performance issues

    Kandidat-uppsats,

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

    Sammanfattning : 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. LÄS MER

  5. 4. Critical Infrastructure Resilience – Comparing Swedish critical infrastructures based on interruption data

    Master-uppsats, Lunds universitet/Avdelningen för Riskhantering och Samhällssäkerhet; Lunds universitet/Riskhantering (CI)

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

    Sammanfattning : 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. LÄS MER

  7. 5. Responsive web design – an explorative analysis from an aesthetic, functional and technical perspective

    Kandidat-uppsats, Mälardalens högskola/Akademin för innovation, design och teknik

    Författare :Aleksandra Ciesielska; [2018]
    Nyckelord :responsive web design; design process; double diamond;

    Sammanfattning : 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. LÄS MER