VoIP on 3GPP LTE Network: A Survey

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Provided by: Academic Hosting & Event Management Solutions
Topic: Mobility
Format: PDF
As wireless access networks evolve towards an all-IP architecture, the principles of operations of communication services (specifically voice services), which have hitherto been circuit switched are being revisited. Voice over Internet Protocol (VoIP) has been identified as a solution and is potentially capable of completely replacing existing phone networks. However, as opposed to circuit switching technology, the call quality obtained via packet switching through IP has not been encouraging due to certain issues. The increasing demands on data rates, mobility, coverage and better service quality, led to the evolution in Radio Access Technologies (RATs) to an era of last-mile Fourth Generation (4G) access technologies among which is Long Term Evolution (LTE).
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