Essays about: "VoIP over WLAN"

Showing result 6 - 10 of 11 essays containing the words VoIP over WLAN.

  1. 6. Secure Session Mobility for VoIP

    University essay from KTH/Kommunikationssystem, CoS

    Author : Samir Dzaferagic; [2008]
    Keywords : Secure VoIP; SIP; Mobile IP; Session Mobility;

    Abstract : High data rate wireless packet data networks have made real-time IP based services available through mobile devices. At the same time, differences in the characteristics of radio technologies (802.11/WiFi and 3G networks) make seamless handoff across heterogeneous wireless networks difficult. READ MORE

  3. 7. Voice over IP over GPRS

    University essay from KTH/Kommunikationssystem, CoS

    Author : Homayoun Derakhshanno; [2008]
    Keywords : VoIP; GSM; GPRS; WLAN; handoff; delay; synchronization;

    Abstract : The Voice over IP (VoIP) technology has become prevalent today due to its lower cost than traditional telephony and its ability to support new value-added services. Additionally, the increasing availability of wireless internet access has led to research studies examining the combination of wireless network access with voice over IP. READ MORE

  4. 8. Improving vertical handover performance for RTP streams containing voice : Using network parameters to predict future network conditions in order to make a vertical handover decision

    University essay from KTH/Kommunikationssystem, CoS

    Author : Daniel Yunda Lozano; [2007]
    Keywords : VoIP; Handover; WLAN measurements;

    Abstract : Wireless local area networks WLAN and Voice over IP technologies enable local low cost wireless telephony, while cellular networks offer wide-area coverage. The use of dual mode WLAN-cellular terminals should allow cost savings by automatically switching from GSM to WLAN networks whenever it is feasible. READ MORE

  5. 9. Model driven context awareness

    University essay from KTH/Kommunikationssystem, CoS

    Author : Sergi Laencina Verdaguer; [2007]
    Keywords : context awareness; voice over IP; ontologies; OWL; call processing language; WLAN;

    Abstract : The very nature of mobile phones makes them ideal vehicles to study both individuals and organizations: people habitually carry a mobile phone with them and use it as a medium for much of their communication. The information available from today's phones includes the user's location, people nearby, and communication (call and SMS logs), as well as application usage and phone status (idle, charging, and so on). READ MORE

  6. 10. Horizontal Handoffs within WLANs : A detailed analysis and measurement concerning voice like traffic

    University essay from KTH/Mikroelektronik och Informationsteknik, IMIT

    Author : Ajeet Nankani; [2005]
    Keywords : WLAN; 802.11; handover; handoff; 802.11i; VoIP over WLAN; horizontal handoff; horizontal handover; VoWLAN;

    Abstract : IEEE 802.11 based Wireless Local Area Networks (WLANs) in addition to being used as access networks for providing traditional data services, are now also being used as access networks for providing realtime services such as VoIP and multimedia streaming. READ MORE