Essays about: "mobile voip"

Showing result 16 - 20 of 39 essays containing the words mobile voip.

1. 16. Fast Packet Retransmissions in LTE

   University essay from Kommunikationssystem

   Author : Syed Tamoor-ul-Hassan; Serkan Demir; [2011]
   Keywords : Link Adaptation; HARQ; EHF; FTP; VOIP;

   Abstract : The cellular networks are evolving to meet the future requirements of data rate,coverage and capacity. The fourth generation mobile communication system, LTEhas been developed to meet these goals. LTE uses multiple antenna features andlarger bandwidths in order to accomplish this task. READ MORE

3. 17. User Scheduling Algorithm for MU-MIMO System with limited feedback

   University essay from Blekinge Tekniska Högskola/Sektionen för ingenjörsvetenskap

   Author : Sudhir Kumar Burra; Reddy Prasad Reddy Yendrapalli; [2010]
   Keywords : MU-MIMO; Bandwidth; Limited feedback; Data rate; Precoder.;

   Abstract : In conventional cellular systems, each base station (BS) transmits signals intended for a single user in a particular resource allocation. As bandwidth is a scarce resource, effective utilization of the available bandwidth in the system is essential in modern wireless systems especially for applications such as video streaming and voice over internet protocol (VoIP) which demands high data rate. READ MORE

4. 18. 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

5. 19. Analysis of Inter Wi-Fi Access PointsSeamless Mobility

   University essay from KTH/Skolan för informations- och kommunikationsteknik (ICT)

   Author : Ubaid Ur Rehman; [2010]
   Keywords : ;

   Abstract : Wi-Fi (WLAN/IEEE 802.11) has become one of the most popular user access technologies for its high bandwidth and low cost. Wi-Fi provides ubiquitous networks to nomadic users any time and any location. READ MORE

6. 20. Service Improvements for a VoIP Provider

   University essay from KTH/Kommunikationssystem, CoS

   Author : Zhang Li; [2009]
   Keywords : VoIP; SIP; Asterisk; Symbian; JavaEE; JBoss; DoD;

   Abstract : This thesis project is on helping a Voice over Internet Protocol (VoIP) service provider by improving server side of Opticall AB's Dial over Data solution. Nowadays, VoIP is becoming more and more popular. People use VoIP to call their family and friends every day. READ MORE