Voice Service Solutions in Evolved Packet System

Long She Huo; Zhen Wang

doi:10.4028/www.scientific.net/AMR.765-767.2766

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 765-767Voice Service Solutions in Evolved Packet System

Voice Service Solutions in Evolved Packet System

Abstract:

EPS network is the future direction of mobile network, and voice service is still important in the EPS network. In the conventional 2G/3G mobile communication, voice service is provided by circuit switching in the CS domain. As the LTE core network provides the access to high-speed and lower latency wireless packet data on the air interface 3GPP retains the PS domain rather than the CS domain in designing the core network. And voice service which is included in the packet domain is available through VOIP. To ensure high-quality voice services, 3GPP proposes two solutions: CSFB and SRVCC. Each option has its own applied conditions, advantages and disadvantages. This article first introduces EPC network framework and the functions of its core functional entities. Then the network framework and voice processing of the two programs (CSFB and SRVCC) are compared. At last, a conclusion of advantages and disadvantages of the two programs is given, and it will lay the basis for different options.

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Periodical:

Advanced Materials Research (Volumes 765-767)

Pages:

2766-2771

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.765-767.2766

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Online since:

September 2013

Authors:

Long She Huo, Zhen Wang

Keywords:

CSFB, EPS, Long Term Evolution (LTE), SRVCC

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References

[1] 3GPP TS 23. 060. Technical Specification Group Services and System Aspects；General Packet Radio Service (GPRS); Service description; Stage 2.

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