Essays about: "voip on wireless"

Showing result 6 - 10 of 20 essays containing the words voip on wireless.

  1. 6. VOIP mobility over heterogeneous networks with focus on mobility issue

    University essay from Blekinge Tekniska Högskola/Sektionen för datavetenskap och kommunikation

    Author : MD. Anamul Hoque; [2010]
    Keywords : VOIP; mobility; WLAN; heterogeneous;

    Abstract : Abstract Multimedia on wireless networks and the integration with other cellular networks requires support for both mobility and quality of service. When mobile nodes move across different wireless networks, current session may be affected by the several factors like hand off delay, jitter and data loss. READ MORE

  3. 7. Evaluation of VoIP Codecs over 802.11 Wireless Networks : A Measurement Study

    University essay from Sektionen för Informationsvetenskap, Data– och Elektroteknik (IDE)

    Author : Arbab Nazar; [2009]
    Keywords : wireless; voip; codec;

    Abstract : Voice over Internet Protocol (VoIP) has become very popular in recent days andbecome the first choice of small to medium companies for voice and data integration inorder to cut down the cost and use the IT resources in much more efficient way. Anotherpopular technology that is ruling the world after the year 2000 is 802.11 wirelessnetworks. READ MORE

  4. 8. QoS_of_VoIP_in_Wireless_Networks

    University essay from Blekinge Tekniska Högskola/Avdelningen för telekommunikationssystem

    Author : Naveed Iqbal; Fahad-Mumtaz Cheema; [2009]
    Keywords : QoS; VoIP; IEEE 802.11; MAC Layer protocols; EDCF; DCF; Uplink Issues; Downlink Issues; Simulations of DCF and EDCF;

    Abstract : In this thesis we have focused in the wireless environment and how to run voice application over it. Conducive environment that makes it possible for the voice services to run in wireless is necessary. READ MORE

  5. 9. Evaluation of UDP and SCTP for SIP-T and TCP, UDP and SCTP with constant traffic

    University essay from Blekinge Tekniska Högskola/Avdelningen för telekommunikationssystem

    Author : Muhammad-Sarfraz Zafar; Muhammad-Shoaib Gill; [2009]
    Keywords : LaCcviLm ;

    Abstract : In recent years, Voice over IP (VoIP) has gained a lot of popularity. Signaling being an important part of VoIP has been addressed by the (IETF) SIGTRAN working group to meet Quality of Service as given by Public Switched Telephone Network (PSTN), so that both PSTN and VoIP can co-exit and work together in a seamless manner SIP (Session Initiation Protocol) developed by IETF for VoIP signaling is a communication control protocol capable of running on different transport layers, e. READ MORE

  6. 10. 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