Simulation models of mobile communication networks

Table of Contents

1. INTRODUCTION

1.1 MOTIVATION

1.2 OBJECTIVES

1.3 METHODOLOGY

1.4 OUTLINE OF RESEARCH

1.5 OUTCOME OF PROJECT

2. INSTALLING AND USING MobileSim 2.0

2.1 MAIN FEATURES OF MobileSim SIMULATION PACKAGE

2.2 SYSTEM REQUIREMENTS

2.3 INSTALLING MATLAB

2.4 CONFIGURE THE VIETNAMESE LANGUAGE SUPPORT FOR MobileSim 2.0

2.4.1 Reconfigure the Operationg System to support Vietnamese Keyboard

2.4.2 Install Vietnamese typing tool

2.5 USING MobileSim SIMULATION TOOLS

3. SIMULATION OF GSM MOBILE SYSTEM

3.1 INTRODUCTION

3.2 PROPERTIES OF MOBILE CELLULAR SYSTEMS

3.2.1 Cellular Principles

3.2.2 Cell planning for mobile cellular networks

3.3 GSM ARCHITECTURE

3.4 CELL PLANNING FOR MOBILE CELLULAR NETWORKS USING MobileSim

3.5 EQUALIZATION

3.6 SIMULATION OF TRANSMITTING AND RECEIVING PROCESSES IN GSM NETWORKS

3.6.1 System model

3.6.2 Simulation of Neural Network-based equalization

3.6.3 Flow charts of the simulation algorithm

3.6.4 Using the simulation program

4. CDMA NETWORK SIMULATION

4.1 GENERATING SPREAD SPECTRUM CODE SEQUENCES

4.1.1 Introduction

4.1.2 Generate spread spectrum sequences using MobileSim

4.2 SIMULATION OF DIRECT SEQUENCE SPREAD SPECTRUM TECHNIQUE

4.2.1 Direct sequence spread spectrum (DS-SS)

4.2.2 Simulation of BPSK DS-SS CDMA System

4.2.3 Simulation of QPSK DS-SS CDMA System

4.3 SIMULATION OF FREQUENCY HOPPING SPREAD SPECTRUM TECHNIQUE

4.3.1 Frequency Hopping Spread Spectrum

4.3.2 Simulation of Fast Frequency Hopping with MobileSim

4.3.3 Simulation of Slow Frequency Hopping in MobileSim

4.4 MULTIUSER DETECTION METHODS

4.4.1 Decorrelation Multiuser Detection (DEC)

4.4.2 MMSE (Minimum Mean Square Error)

4.4.3 Succesive Inteference Cancellation (SIC)

4.4.4 Parallel Inteference Cancellation (PIC)

4.5 SIMULATION OF MULTIUSER DETECTION TECHNIQUES WITH MobileSim 2.0

4.5.1 DEC Detector

4.5.2 MMSE Detector

4.5.3 SIC Detector

4.5.4 PIC Detector

4.6 POWER CONTROL IN CDMA NETWORKS

4.7 SIMULATION OF POWER CONTROL IN CDMA USING MobileSim 2.0

4.8 MS POSITIONING IN DS-CDMA MOBILE NETWORKS

4.8.1 Fundamentals of MS Positioning

4.8.2 Simulation Algorithm

4.8.3 Running Simulation with MobileSim

4.9 CONGESTION CONTROL IN CDMA/FRMA NETWORKS

4.9.1 Introduction

4.9.2 Simulation with MobileSim

4.10 SREADING CODE ALLOCATION ALGORITHMS FOR WCDMA NETWORKS

4.10.1 Introduction

4.10.2 Simulation program

4.10.3 Simulation Procedure

5. SIMULATION OF MC-CDMA MOBILE COMMUNICATION SYSTEMS

5.1 INTRODUCTION TO MC-CDMA SYSTEM

5.1.1 MC-CDMA Transmitter

5.1.2 MC-CDMA Receiver

5.2 SIMULATION OF MC-CDMA TRANSMITTER AND RECEIVER USING MobileSim 2.0

5.3 POWER CONTROL IN MC-CDMA NETWORKS

5.4 SIMULATION PROCEDURE FOR POWER CONTROL IN MC-CDMA

5.4.1 Parameters and Assumptions

5.4.2 Simulation Procedure

6. SIMULATION OF MULTICODE MC-CDMA SYSTEMS

6.1 INTRODUCTION

6.1.1 Multi-code CDMA System

6.1.2 Multi-code MC-CDMA System

6.1.3 Rate Adaptive Control for Multi-code MC-CDMA system

6.2 SIMULATION OF MTC-MC-CDMA TRANSMITTER AND RECEIVER USING MobileSim 2.0

6.2.1 Simulation Program

6.2.2 Simulation Procedure

7. CONCLUSION

7.1 SCIENTIFIC EFFECTS

7.2 ECONOMIC-SOCIAL EFFECTS

Research Objectives & Topics

This work aims to develop comprehensive simulation models and tools for mobile communication networks, specifically targeting undergraduate teaching and research needs in Electronic and Telecommunication Engineering, utilizing MATLAB and SIMULINK as the primary computational environments.

• Simulation and analysis of GSM mobile network architecture and cell planning.
• Development of CDMA-based network simulations, including spread spectrum techniques and multiuser detection methods.
• Modeling and simulation of MC-CDMA (Multicarrier CDMA) communication systems.
• Investigation of Multicode MC-CDMA mobile communication systems and rate adaptive control algorithms.

Excerpt from the Book

Summary of Chapters

1. INTRODUCTION: This chapter outlines the motivation, research objectives, and the methodology employed, focusing on the development of simulation tools for mobile communication networks.

2. INSTALLING AND USING MobileSim 2.0: Provides a guide on the technical requirements, installation steps for MATLAB, and configuration of the simulation package MobileSim.

3. SIMULATION OF GSM MOBILE SYSTEM: Covers the theoretical background of cellular systems, GSM architecture, and the simulation implementation for cell planning and equalization processes.

4. CDMA NETWORK SIMULATION: Details the simulation of spread spectrum techniques, multiuser detection methods, power control, MS positioning, and congestion control algorithms in CDMA networks.

5. SIMULATION OF MC-CDMA MOBILE COMMUNICATION SYSTEMS: Explores the simulation of multicarrier CDMA systems, focusing on transmitter and receiver models and power control schemes.

6. SIMULATION OF MULTICODE MC-CDMA SYSTEMS: Discusses the advanced modeling of multicode MC-CDMA systems, including rate adaptive control and simulation procedures.

7. CONCLUSION: Evaluates the scientific impact and the socio-economic benefits of the research and the simulation models developed.

Keywords

Mobile Communication, Network Simulation, GSM, CDMA, MC-CDMA, Multicode CDMA, MATLAB, SIMULINK, Power Control, Multiuser Detection, Frequency Hopping, Spread Spectrum, Mobile Positioning, Congestion Control, MobileSim.

Frequently Asked Questions

What is the primary purpose of this book?

This book provides a collection of simulation models and theoretical background for various mobile communication networks (GSM, CDMA, MC-CDMA) to assist undergraduate students and researchers in their studies.

Which network standards are analyzed?

The book analyzes GSM, CDMA-based, MC-CDMA, and Multicode MC-CDMA mobile communication networks.

What is the main objective of the research?

The goal is to provide a versatile, electronic reference documentation and a set of teaching tools that allow users to visualize network behavior and test different configurations.

Which scientific platform is used for the simulations?

The authors primarily use MATLAB and the SIMULINK environment to build and run the simulation modules described throughout the text.

What topics are covered in the core chapters?

The main chapters cover the installation of the software, GSM system simulations, CDMA techniques (such as spread spectrum and multiuser detection), MC-CDMA systems, and specific algorithms for multicode systems.

What are the key keywords characterizing this work?

Key terms include Mobile Communication, Network Simulation, GSM, CDMA, MC-CDMA, Multicode CDMA, MATLAB, and Power Control.

How does the book address the Near-Far effect in CDMA networks?

The book explores various power control mechanisms, including open-loop and closed-loop methods, and provides simulation examples for controlling transmission power in DS-CDMA systems.

What is the role of Neural Networks in this study?

Neural networks are applied specifically in the context of equalization for GSM networks and in designing intelligent congestion controllers for CDMA/FRMA networks.