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UMTS Network Planning, Optimization, and Inter-Operation with GSM

ISBN: 978-0-470-82301-9
320 pages
November 2007, Wiley-IEEE Press
UMTS Network Planning, Optimization, and Inter-Operation with GSM (0470823011) cover image
UMTS Network Planning, Optimization, and Inter-Operation with GSM is an accessible, one-stop reference to help engineers effectively reduce the time and costs involved in UMTS deployment and optimization. Rahnema includes detailed coverage from both a theoretical and practical perspective on the planning and optimization aspects of UMTS, and a number of other new techniques to help operators get the most out of their networks.
  • Provides an end-to-end perspective, from network design to optimization
  • Incorporates the hands-on experiences of numerous researchers
  • Single authorship allows for strong coherency and accessibility
  • Details the complete iteration cycle of radio link budgeting for coverage planning and dimensioning

Rahnema demonstrates detailed formulation of radio capacity and coverage in UMTS, and discusses the tradeoffs involved. He presents complete link budgeting and iterative simulations for capacity and coverage planning, along with practical guidelines. UMTS Network Planning contains seventeen cohesive and well-organized chapters which cover numerous topics, including:

  • Radio channel structures, radio channel models, parameters, model tuning
  • Techniques for capacity and coverage enhancements
  • Complete treatment of power control, handoffs and radio resource practical management processes and parameters
  • Detailed coverage of TCP protocol enhancement for operation over wireless links, particularly UMTS
  • Application of GSM measurements to plan and re-engineer for UMTS radio sites
  • Guidelines for site co-location with GSM, the QOS classes, parameters and inter-workings in UMTS
  • AMR voice codecs and tradeoffs, core and access network design, architectural evolution, and protocols
  • Comprehensive discussion and presentation of practical techniques for radio performance analysis, trending, and troubleshooting

Perfect for professionals in the field and researchers specializing in network enhancement. Engineers working on other air interfaces and next generation technologies will find many of the techniques introduced helpful in designing and deploying future wireless networks as well. Students and professionals new to the wireless field will also find this book to be a good foundation in network planning, performance analysis, and optimization.

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Preface.

Acknowledgments.

1 Introduction.

1.1 Overview of 3G Standards and WCDMA Releases.

1.2 3G Challenges.

1.3 Future Trends.

2 UMTS System and Air Interface Architecture.

2.1 Network Architecture.

2.2 The Air Interface Modes of Operation.

2.3 Spectrum Allocations.

2.4 WCDMA and the Spreading Concept.

2.5 Cell Isolation Mechanism and Scrambling Codes.

2.6 Power Control Necessity.

2.7 Soft/Softer Handovers and the Benefits.

2.8 Framing and Modulation.

2.9 Channel Definitions.

2.10 The Radio Interface Protocol Architecture.

2.11 The Important Physical Layer Measurements.

References.

3 Multipath and Path Loss Modeling.

3.1 Multipath Reception.

3.2 3GPP Multipath Channel Models.

3.3 ITU Multipath Channel Models.

3.4 Large-Scale Distance Effects.

3.5 Far-Reach Propagation Through Ducting.

References.

4 Formulation and Analysis of the Coverage-capacity and Multi-user Interference Parameters in UMTS.

4.1 The Multi-user Interference.

4.2 Interference Representation.

4.3 Dynamics of the Uplink Capacity.

4.4 Downlink Power-capacity Interaction.

4.5 Capacity Improvement Techniques.

4.6 Remarks in Conclusion.

References.

5 Radio Site Planning, Dimensioning, and Optimization.

5.1 Radio Site Locating.

5.2 Site Engineering.

5.3 Link Budgeting for Dimensioning.

5.4 Simulation-based Detailed Planning.

5.5 Primary CPICH Coverage Analysis.

5.6 Primary and Secondary CCPCH Coverage Analysis.

5.7 Uplink DCH Coverage Analysis.

5.8 Pre-launch Optimization.

5.9 Defining the Service Strategy.

5.10 Defining Service Requirements and Traffic Modeling.

5.11 Scrambling Codes and Planning Requirements.

5.12 Inter-operator Interference Protection Measures.

References.

6 The Layered and Multi-carrier Radio Access Design.

6.1 Introduction.

6.2 Service Interaction Analysis.

6.3 Layered Cell Architectures.

References.

7 Utilization of GSM Measurements for UMTS Site Overlay.

7.1 Introductory Considerations.

7.2 Using GSM Measurements to Characterize Path Losses in UMTS.

7.3 Neighbor-Cell Overlap and Soft Handover Overhead Measurement.

7.4 Interference and Pilot Pollution Detection.

References.

8 Power Control and Handover Procedures and Optimization.

8.1 Power Control.

8.2 Handover Procedures and Control.

References.

9 Radio Resource and Performance Management.

9.1 Admission Control.

9.2 Congestion/Load Control.

9.3 Channel Switching and Bearer Reconfiguration.

9.4 Code Resource Allocation.

9.5 Packet Scheduling.

References.

10 Means to Enhance Radio Coverage and Capacity.

10.1 Coverage Improvement and the Impact.

10.2 Capacity Improvement and the Impact.

10.3 HSDPA Deployment.

10.4 Transmitter Diversity.

10.5 Mast Head Amplifiers.

10.6 Remote Radio Heads (RRH).

10.7 Higher Order Receiver Diversity.

10.8 Fixed Beam and Adaptive Beam Forming.

10.9 Repeaters.

10.10 Additional Scrambling Codes.

10.11 Self-Organizing Networks.

References.

11 Co-planning and Inter-operation with GSM.

11.1 GSM Co-location Guidelines.

11.2 Ambient Noise Considerations.

11.3 Inter-operation with GSM.

References.

12 AMR Speech Codecs: Operation and Performance.

12.1 AMR Speech Codec Characteristics and Modes.

12.2 AMR Implementation Strategies.

12.3 Tradeoffs between AMR Source Rate and System Capacity in WCDMA.

12.4 AMR Performance under Clean Speech Conditions.

12.5 AMR Performance under Background Noise and Error Conditions.

12.6 Codec Mode Parameters.

12.7 The AMR-Wideband (WB).

12.8 AMR Bearer QoS Requirements.

References.

13 The Terrestrial Radio Access Network Design.

13.1 RNC Planning and Dimensioning.

13.2 Node Interconnect Transmission.

13.3 Link Dimensioning.

References.

14 The Core Network Technologies, Design, and Dimensioning.

14.1 The Core Network Function.

14.2 The IP Core Network Architecture.

14.3 Mobility Management in GPRS.

14.4 IP Address Allocation.

14.5 Core Network in WCDMA.

14.6 IP Multimedia Subsystem (IMS).

14.7 Roaming in Mobile Networks.

14.8 Soft Switching.

14.9 Core Network Design and Dimensioning.

14.10 Core Network Transport Technologies.

References.

15 UMTS QoS Classes, Parameters, and Inter-workings.

15.1 The QoS Concept and its Importance.

15.2 QoS Fundamental Concepts.

15.3 QoS Monitoring Process.

15.4 QoS Categories in UMTS.

15.5 Instant Messaging.

15.6 UMTS Bearer Service Attributes.

15.7 UMTS QoS Mechanisms.

15.8 UMTS QoS Signaling.

15.9 UMTS–Internet QoS Inter-working/Mapping.

15.10 End-to-End QoS Delay Analysis.

15.11 ATM QoS Classes.

15.12 More on QoS Mechanisms in IP Networks.

15.13 IP Precedence to ATM Class of Service Mapping.

15.14 Web Traffic Classification for QoS.

15.15 QoS Levels of Agreement.

References.

16 The TCP Protocols, Issues, and Performance Tuning over Wireless Links.

16.1 The TCP Fundamentals.

16.2 TCP Enhanced Lost Recovery Options.

16.3 TCP Variations as used on Fixed Networks.

16.4 Characteristics of Wireless Networks and Particularly 3G.

16.5 TCP Solutions Proposed for Wireless Networks.

16.6 Application Level Optimization.

References.

17 RAN Performance Root Cause Analysis and Trending Techniques for Effective Troubleshooting and Optimization.

17.1 RAN KPIs.

17.2 Measurement Guidelines.

17.3 Correlation Based Root Cause Analysis.

17.4 Applications to Network Troubleshooting and Performance Optimization.

Appendix.

References.

Abbreviations.

Index.

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Moe Rahnema is a consultant providing advisory services to major network equipment vendors and mobile operators in the areas of network planning, network architecture and solution development, as well as radio coverage planning and optimization of 3G/UMTS, GSM, and GPRS. His clients have included Ericsson, Nokia, America Movile (Mexico), T-Mobile (USA), Excelcomindo (Indonesia), Maxis (Malaysia), LCC International (US & UK), and General Telephone and Electronics (USA). He has also held Principal Engineer positions at Hughes Network Systems (US) and Motorola Satellite Communications (US). Rahnema has published in IEEE magazines and journals, as well as with commercial technical magazines on wireless communications. He also has 8 US patents in the wireless communications field. Rahnema holds an M.S. and has completed coursework equivalent to two PhDs in Electrical Engineering and Aeronautics and Astronautics, from Northeastern University and MIT, respectively.
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