Migration from UMTS to HSPA+ system
Cellular networks - Evolution of the UMTS system towards HSPA+
Article REF: TE7370 V1
Migration from UMTS to HSPA+ system
Cellular networks - Evolution of the UMTS system towards HSPA+

Author : Jérôme PONS

Publication date: May 10, 2011 | Lire en français

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3. Migration from UMTS to HSPA+ system

3.1 Developments in Release 7 (UMTS Release 7)

Release 7 is the fifth version of the UMTS system, and features HSPA Evolution (more commonly known as "HSPA+"), charging and control of PCC resource use, and voice service continuity (with VCC in particular).

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3.1.1 Release 7 architecture

The Release 7 UMTS system architecture is shown in figure

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