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3G to 4G Core Network Migration
Introduction With operators worldwide starting to deploy High Speed Packet Access (HSPA) services, 3G has finally arrived and is now gaining momentum.
As 3G enjoys its success, the evolution in the radio and core network space continues with Long Term Evolution (LTE) and Evolved Packet System (EPS) leading the way forward to the 4G revolution.
The heralded 'anytime, anywhere' access and entertainment medium shall become a reality with 4G....
preview:
http://www.ccpu.com
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Advanced SIP Series: SIP and 3GPP Operations
The Session Initiation Protocol has been chosen by the 3GPP for establishing multimedia sessions in UMTS Release 5 (R5) networks.
This paper discusses the operations of the UMTS R5 IP Multimedia Subsystem (IMS) in great detail.
The paper discusses where SIP is used in UMTS IMS and the interaction between the various components of the IMS networks.
The changes and enhancements made to the Internet telephony signaling protocols such as...
preview:
http://www.awardsolutions.com
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How to Build a 'Lean and Mean' Video Gateway Using 3G-324M over IP
Video-based applications in the mobile network are one of the main drivers for the deployment of 3G networks.
Both the 3GPP and 3GPP2 standards organizations have adopted the 3G-324M protocol as the primary means of transporting conversational video over mobile networks.
Traditional video gateways bridge between the representation of video in the mobile network (3G-324M) and in the IP network (video/voice over RTP).
preview:
http://www.surf-com.com
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White Paper: Protocol Analysis in UMTS Networks
As of today, there are still very few UMTS networks offering commercial service.
However, since third-generation (3G) handset functionality is improving and a wider range of handsets is becoming available, the number of 3G UMTS subscribers is increasing.
By March 2003 there were more than 350,000 UMTS users and more than 6,000,000 cdma2000 users in Japan, and the rollout of UMTS throughout Europe is underway.
preview:
http://www.tek.com
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