Essays about: "voip over wireless networks"

Showing result 11 - 15 of 16 essays containing the words voip over wireless networks.

  1. 11. Adaptive Aggregation of Voice over IP in Wireless Mesh Networks

    University essay from Fakulteten för ekonomi, kommunikation och IT

    Author : Peter Dely; [2007]
    Keywords : Wireless Mesh Network; Voice over IP; Packet Aggregation;

    Abstract : When using Voice over IP (VoIP) in Wireless Mesh Networks the overhead induced by the IEEE 802.11 PHY and MAC layer accounts for more than 80% of the channel utilization time, while the actual payload only uses 20% of the time. As a consequence, the Voice over IP capacity is very low. READ MORE

  3. 12. VoWiFi Roaming

    University essay from KTH/Kommunikationssystem, CoS

    Author : Syed Muhammad Ali; [2006]
    Keywords : Voice over WiFi;

    Abstract : Freedom is human’s natural instinct, which was limited by Ethernet and Fixed Telephony Era. With the emergence of new technologies like wireless fidelity (WiFi) and voice over IP (VoIP) humans once again have freedom of movement; which at the very same time provides enough reasons to change the market dynamics of communication industry. READ MORE

  4. 13. Spatial Audio for the Mobile User

    University essay from KTH/Mikroelektronik och Informationsteknik, IMIT; KTH/KTH Center för Trådlösa System, Wireless@kth

    Author : Ignacio Sánchez Pardo; [2005]
    Keywords : voice over ip; spatial audio; minisip; resampling; multitasking; multiconferencing;

    Abstract : Voice over the Internet Protocol (VoIP) is one of the latest and most successful Internet services. It takes advantage of Wireless Local Area Networks (WLANs) and broadband connections to provide high quality and low cost telephony over the Internet or an intranet. READ MORE

  5. 14. 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

  6. 15. Secure data and voice over wireless networks in disaster and emergency response

    University essay from KTH/Mikroelektronik och Informationsteknik, IMIT

    Author : Tung Vu Hoang; [2005]
    Keywords : Disaster Response; WIDER; SIP; SRTP; MIKEY; VoWLAN; Satellite;

    Abstract : Communication is often limited in a disaster area and other emergency situations where no infrastructure exists or existing infrastructure has been destroyed. This makes its difficult for relief workers in the field to communicate with one another and with their home head office. READ MORE