Search for dissertations about: "IP phone"

Found 2 swedish dissertations containing the words IP phone.

  2. 1. Large scale and mobile group communication systems

    Author : Roland Parviainen; Luleå tekniska universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Distribuerade datorsystem; Mobile and Pervasive Computing;

    Abstract : This doctoral thesis examines different attributes of large scale group communication systems such as scalability, security and mobility by studying two different prototype systems - mIR (multicast Interactive Radio) and MES (Mobile E-meeting Services). mIR is a system for large scale real-time music distribution, designed as an interactive radio system for the Internet. READ MORE

  4. 2. Three problems with internetworking in cellular networks

    Author : Lars-Åke Larzon; []
    Keywords : ;

    Abstract : Over the last decade, cell phones have gone from providing the traditional interactive voice service to also include support for Internet services. Cellular networks that originally were designed for cost-efficient voice services supply low bandwidth, high error rates and long round-trip delays, which poorly fit the generous header sizes, lack of error tolerance and reliance on retransmissions of the Internet. READ MORE