3G UMTS UTRAN

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Transcript of 3G UMTS UTRAN

Lucent UMTS Field Guide Volume II Feature Parameters and Best Practices

Network Operations Document NetOps-ND-00167

Rev. 1.3 06/07/06

OverviewThe Lucent UMTS Field Guide Volume II describes the UTRAN functionalities, features, and related parameter settings associated with the UTRAN P1-Lite release (2005 and 2006 launch release). Feature parameter setting recommendations and best practices are presented which provide the best performance for an UMTS network (based upon FOA results and additional third-party test results). This document also describes the interaction between the existing GSM network and the overlaid UMTS network. This Field Guide is broken into 10 sections. Section 1 is introduction of this document. Section 2 lists all new features, functions and parameters when this document is updated in the event of new system software releases. Certain key KPIs related to these new features are also briefly covered in this chapter. Section 3 contains UE categories, RF terminologies and link budgets basics. Section 4 includes detailed description of all key features/functions, as well as engineering guidelines on related parameters of each feature/function. Section 5 introduces documentation for OSS implementation. Section 6 is a reference for utilizing OCNS. This will be especially helpful for engineers responsible for assisting with CA and FA. Section 7 contains the tables for all parameters explained in this document for handy reference. Cingular approved best practical values for these parameters (Cingular Recommended) are also listed and explained if necessary. Section 8 provides links and brief explanation of important test results from related projects (such like FOA, SOA) that contributed to the development of this volume II field guide. Section 9 provides a link to various Implementation Guides developed by CTO that may be of interest to the intended audience. Section 10 provides references used to create this document and an Index for content searches (to be added later, for now the PDF search feature should be used).

IMPORTANT: This document is the result of an ongoing collaborative effort between Cingular Market, Regional, National and Lucent staff and management. It will continue to be updated with the latest findings in the areas of optimization and vendor improvement through the use of commissioned studies and successive vendor software and hardware updates.

NetOps-xxxxxND-00167 Rev. 1.3 06/07/06

CINGULAR WIRELESS CONFIDENTIAL & PROPRIETARY Use pursuant to Company instructions

Page 1 of 248 (c) 2006 Cingular Wireless

Network Operations

Volume II Lucent UMTS Field Guide for UTRAN P-1 Lite

Contents1. About This Document..................................................................................................................... 12 1.1 Purpose ..................................................................................................................................... 12 1.2 Scope ........................................................................................................................................ 12 1.3 Audience ................................................................................................................................... 12 1.4 Related Documentation............................................................................................................. 12 1.5 Acronyms and Terms ................................................................................................................ 13 1.6 Trademarks ............................................................................................................................... 13 1.7 Conventions .............................................................................................................................. 14 1.8 Contacts .................................................................................................................................... 14 2. New Feature and New or Modified Parameter Lists ...................................................................... 15 2.1 New Feature Lists ..................................................................................................................... 15 2.2 Parameters................................................................................................................................ 15 2.3 KPI Introduction (NEW)............................................................................................................. 15 3. UMTS RF Design Fundamentals ................................................................................................... 16 3.1 UE Capabilities.......................................................................................................................... 16 3.1.1 UTRAN Frequency Bands ................................................................................................ 16 3.1.2 Channel Numbering Scheme............................................................................................ 16 3.1.3 UARFCN ........................................................................................................................... 17 3.2 UE Transmit power ................................................................................................................... 18 3.2.1 UE maximum output power .............................................................................................. 18 3.3 UE Reference Sensitivity Level................................................................................................. 18 3.4 UE Categories........................................................................................................................... 18 3.5 UMTS RF Measurement ........................................................................................................... 19 3.5.1 RSSI.................................................................................................................................. 19 3.5.2 CPICH RSCP.................................................................................................................... 19 3.5.3 Eb/N0 and Orthogonality, ............................................................................................... 20 3.5.4 Ec/I0 ................................................................................................................................... 20 3.5.5 SIR .................................................................................................................................... 21 3.5.6 Transmitted Carrier Power (TCP) ..................................................................................... 21 3.5.7 Transmitted code power ................................................................................................... 22 3.5.8 Transport channel BER .................................................................................................... 22 3.5.9 Physical channel BER ...................................................................................................... 22 3.5.10 BLER................................................................................................................................. 22 3.5.11 UE transmitted power ....................................................................................................... 22

NetOps-xxxxxND-00167 Rev. 1.3 06/07/06

CINGULAR WIRELESS CONFIDENTIAL & PROPRIETARY Use pursuant to Company instructions

Page 2 of 248 (c) 2006 Cingular Wireless

Network Operations

Volume II Lucent UMTS Field Guide for UTRAN P-1 Lite

3.6 UMTS Link Budget .................................................................................................................... 22 4. UTRAN Processes, Procedures & Recommended Parameter Settings ....................................... 25 4.1 Idle Mode Behavior ................................................................................................................... 26 4.1.1 System Acquisition ........................................................................................................... 26 4.1.1.1 4.1.1.2 UMTS Cell Search Procedure........................................................................... 27 Planning for Good Network Acquisition Performance....................................... 30

4.1.2 PLMN Selection ................................................................................................................ 31 4.1.3 Cell Selection & Reselection............................................................................................. 31 4.1.3.1 4.1.3.2 4.1.3.3 4.1.3.4 4.1.4.1 4.1.4.2 4.1.4.3 4.1.4.4 System Information Broadcast (SIB) Parameters for Cell Selection and Reselection ....................................................................................................... 32 Cell Selection (i.e. Camping on a Suitable Cell) ............................................... 34 Location Area / Routing Area Update ............................................................... 36 Cell Reselection ................................................................................................ 37 Discontinuous Reception for Paging................................................................. 46 Paging Channel Selection................................................................................. 47 Paging Procedures............................................................................................ 48 Paging Parameters in Idle Mode....................................................................... 48

4.1.4 Paging in Idle Mode .......................................................................................................... 46

4.2 Random Access and Call Establishment .....................