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TR 25.999 (RAN6)
High Speed Packet Access (HSPA) evolution – Frequency Division Duplex (FDD)

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V7.1.0 (PDF)  2008/03  61 p.

Rapporteur:  Mr. Grant, Marc
See also:  –

This TR has been produced in the scope of the study item on "HSPA Evolution". The objective of the study item is to develop a framework for the evolution of the FDD mode of the 3GPP HSPA WCDMA-based radioaccess technology beyond Release 7.

This TR lists the constraints for the FDD HSPA Evolution beyond release 7 and an assessment of technical proposals and their respective, achievable performance and complexity.


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1  ScopePDF-p. 6
2  References
3  Definitions, symbols and abbreviations
4  IntroductionPDF-p. 7
5  Objectives
6  Constraints and requirementsPDF-p. 8
7  Technical Proposals and Assessment
7.1  Architectural solutionsPDF-p. 11
7.1.1  Current Release 6 Architecture - Alt 1
7.1.2  Iu with enhanced SRNC separate from the enhanced collapsed CRNC/DRNC/Node B - Alt 2PDF-p. 12
7.1.3  PS User Plane /Control Plane split, CP functions in RNC, direct UP tunnel PS CN - Node B - Alt 3PDF-p. 18
7.1.4  Iu with RNC U-Plane & C-Plane functions in Node-B - Alt 4Up
7.1.5  S1 interface architecture, i.e. SAE architecture with RLC (no-ciphering) & RRC in Node B
7.1.6  Evolved HSPA (Collapsed Architecture) with SHO - Considerations with connectivity to evolved CNPDF-p. 34
7.1.7  Enhanced SRNS relocation procedurePDF-p. 37
7.2  Interworking with legacy UTRAN nodes
7.3  Support of UL Macro Diversity CombiningPDF-p. 44
7.4  RNC ID ExtensionPDF-p. 46
7.5  Layer 2 EnhancementsPDF-p. 52
7.6  UL EnhancementsPDF-p. 53
7.7  Radio Related EnhancementsUp
7.8  MBMSPDF-p. 57
8  Conclusions and Recommendations
A  Change historyPDF-p. 59

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