Course Duration
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5-day instructor-led training
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Course Objectives
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The goal of WCDMA Radio Network Optimization course is to present details on a number of optimization problems, techniques and solutions specific to WCDMA radio-access networks. The participants will learn about radio network planning, deployment and optimization. Solutions that include micro-cellular and in-building systems as well as pilot, handover, repeater, antenna and sub-sectorization techniques will be presented in detail. Furthermore, the participants will learn about service-specific performance and inter-system issues.
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Course Overview
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The WCDMA Radio Network Optimization course is a 5-day course that will present details on the following topics.
- Relevant wireless channel characteristics;
- Radio network analysis, planning and deployment;
- Optimization tools;
- Optimization of pilot, handover, antenna as well as sectorization parameters;
- Micro-cellular and in-building systems;
- Inter-system issues;
- Optimization of voice and packet-switched services;
- Differences between UMTS, HSDPA and HUSPA network optimization problems and techniques.
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Key Benefits
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The participants will gain a detailed knowledge of a wide range of optimization techniques and solutions specific to WCDMA radio-access networks. The participants will be able to efficiently approach any optimization problem. They will be able to consider and employ a range of possible optimization solutions that corresponds to a particular problem.
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Pre-Requisites for Participants
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Detailed knowledge of the WCDMA technology is needed. Furthermore, knowledge of the UMTS network protocols, architecture, and procedures is required. A good knowledge of GSM networks will be instrumental.
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Who Should Attend?
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This course is intended for:
- Radio network planning managers;
- Radio network planning and optimization engineers;
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Course Outline
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Day 1
3GPP Standardization and UMTS Overview
- Wireless standards landscape
- What is 3GPP?
- Timeline
- Basic features - radio access, network elements and spectrum
WCDMA for UMTS-FDD
- Multiple access, channelisation and scrambling codes
- Wireless channel characteristics
- Multipath diversity
- Temporal diversity
- Radio resource management
- Power control
- Handovers and macro-diversity
- Admission and load control
- Packet scheduling
- Rate matching
- Cell-breathing
Day 2
UMTS Radio Access Procedures
- Cell search procedure
- Paging procedure
- RACH procedure
- Open loop power control
- UMTS to GSM handover
- Compressed mode
HSDPA and HSUPA
- HSDPA features
- Transmission time interval
- Channelisation codes
- Resource sharing
- Modulation
- Turbo channel coding and soft bits
- Hybrid ARQ
- Channel quality indicator
- Multiuser scheduling
- Mobile terminal categories
- MAC-hs
- Power allocation
Day 3
Radio Network Planning and Dimensioning
- Cell loading and interference margin
- Margins and gains
- Typical mobile terminal and base station parameters
- Link budget case studies
- Coverage and capacity
- Meeting data-rate density requirements
- Base-station density vs. number of carriers and capacity (dimensioning)
- Scrambling code planning
- Backhaul dimensioning
- RNC dimensioning
- Case studies and problem solving
Introduction to HSDPA and HSUPA
- How HSDPA and HSUPA improve system performance
- Introduction criteria
- Resource allocation between UMTS and HSDPA/HSUPA
- Carrier allocation and migration
Day 4
Radio System Performance Enhancements
- Impact of P-CPICH
- Adding new carrier
- Tower top LNAs and remote radio heads
- Adaptive multi rate speech coding
- GSM and UMTS
- Lowering inter-carrier interference
- Repeaters
- Sectorization techniques
- Antenna tilting
- Introduction of new subcarriers
- Multiple antenna techniques
- Multiuser detection
- Equalization
Handover Optimization
- Handover procedure
- Hysteresis algorithm parameters
- Parameter recommendations
- Handover trade-offs
- Optimization for coverage vs. capacity
- Inter-frequency handover considerations
Day 5
Inter System Planning and Optimization
- GSM to 3G
- 3G to 3G
- Boundary planning
- Typical inter-system scenarios
- Inter-system handover procedure
- Inter-system handover due to capacity reasons
- Compressed mode issues
Micro Cell and Indoor Solutions
- Micro-cell characteristics
- Micro- and macro-cell hierarchy
- Near-far effect
- Indoor solutions and effects
- Micro- and macro-cell interference
- Distributed antenna system
- Leaky cable
- Optical cable
Network Management and Optimization
- Management model and systems
- Optimization loops
- Quality cycle
- Measurements
- Key performance indicators
- Field measurements
- QoS and service performance
- Auto-tuning
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