Radio Resource Management In 3G UMTS Networks

In our thesis, our main objective is to explore some RRM strategies and understand their practical importance by simulating some RRM algorithms. Universal Mobile Telecommunication System (UMTS) is a third generation mobile communication system, designed to support a wide range of applications with different quality of service (QoS) profiles. This 3G system has capability of transporting wideband and high bit rate multimedia services along with traditional cellular telephony services e.g voice, messaging etc. To provide these services with better quality of service and enhance the performance of wireless network, management of radio resources is necessary. To do this, UMTS offer many radio resource management (RRM) strategies. These RRM techniques play important role in providing different services with better quality, keep the end user happy and make the network stable….


Chapter 1: UMTS Overview
1.1 Introduction
1.2 UMTS Architecture
1.3 User Equipment
1.5 Core Network
1.5.1 Circuit Switched Domain
1.5.2 Packet Switched Domain
1.6 UMTS Interfaces
1.6.1 Iu Interface
1.6.2 Iur Interface
1.6.3 Iub Interface
1.6.4 Uu Interface
1.7 Evolution of GSM Towards UMTS
Chapter 2: Physical Layer
2.1 Introduction
2.2 Transport Channels and their mapping
2.2.1 Dedicated Transport Channels
2.2.2 Common Transport Channels
2.2.3 Mapping of Transport Channels onto physical channels
2.2.4 Frame Structure of Transport Channels
2.3 Spreading and Modulation
2.3.1 Scrambling
2.3.2 Channelisation Codes
2.3.3 Uplink Spreading and Modulation
2.3.4 Downlink Spreading and Modulation
2.3.5 Transmitter characteristics
Chapter 3: Physical Layer Procedures
3.1 Introduction
3.2 Fast Closed Loop Power Control
3.3 Open Loop Power Control
3.4 Paging Procedure
3.5 RACH Procedure
3.6 CPCH Operation
3.7 Cell Search Procedure
3.8 Transmit Diversity Procedure
3.9 Handoff Measurement Procedure
3.9.1 Intra Mode Handoff
3.9.2 Inter Mode Handoff
3.9.3 Inter System Handoff
3.10 Compressed Mode Measurement Procedure
3.11 Other Measurements
3.12 Operation With Adaptive Antennas
3.13 Site Selection Diversity Transmission
Chapter 4: Radio Resource Management
4.1 Introduction
4.2 Functions
4.3 Power Control
4.3.1 Open Loop Power Control
4.3.2 Closed Loop Power Control
4.4 Handoff Control
4.4.1 Handoff Procedure
4.5 Congestion Control
4.5.1 Call Admission Control
4.5.2 Load Control
4.5.3 Packet Scheduling Control
Chapter 5: Power Control Algorithms
5.1 Introduction
5.2 A Power Control Algorithm for 3G WCDMA System
5.2.1 Power Control in 3G WCDMA System
5.2.2 System Model
5.2.3 Results
5.3 QoS-aware Power Control
5.3.1 System Model
5.3.2 Results
5.4 Conclusion

Author: Muhammad Abdur Rahman Haider, Abu Bakar Bhatti, Ammar Ahmad Kirmani

Source: Blekinge Institute of Technology

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