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By: Zizhi Qiao September 2001 MSc Integrated Services & Intelligent
 

Summary: By: Zizhi Qiao September 2001
MSc Integrated Services & Intelligent
Networks Engineering
D.C.E.E. University of Plymouth
Background and introduction
ROHC study
CRC and one-bit correction study
Test and simulation
Reaction steps modifications
Conclusions
Two ways to transport voice:
Circuit switching
Setup -- transport -- release
High QoS and high usage of bandwidth
Packet switching
Packet headers include full information for delivery in the network.
Several applications in one carrier, high bandwidth efficiency
But: Pack/unpack delay, queuing delay, wrong sequence,
jitter etc.
A big problem in voice transport over IP

  

Source: Abu-Rgheff, Mosa Ali - School of Computing, Communications and Electronics, University of Plymouth

 

Collections: Engineering