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【文件名】:06814@52RD_Umts Overview Book.pdf
【格 式】:pdf
【大 小】:989K
【简 介】:
【目 录】:CHAPTER 1: UMTS, THE DEFINITION OF A NEW ERA.............................................................................1
1.1 INTRODUCTION .................................................................................................................................................1
1.2 BACKGROUND AND STANDARDISATION..................................................................................................................1
1.2.1 Background in Europe..........................................................................................................................1
1.2.2 Background in Japan............................................................................................................................3
1.2.3 Background in China............................................................................................................................4
1.2.4 Creation of 3GPP..................................................................................................................................4
1.2.5 Creation of 3GPP2................................................................................................................................5
1.3 IMT-2000 AND UMTS ..................................................................................................................................6
1.3.1 IMT-2000 Process in ITU......................................................................................................................6
1.3.2 UMTS ...................................................................................................................................................8
1.4 UMTS AS THE 3RD GENERATION SYSTEM..........................................................................................................12
1.4.1 Main Service Differences Between 2G and 3G....................................................................................12
1.4.2 New Roles and Relationships for UMTS..............................................................................................13
1.4.3 Work Regulations................................................................................................................................14
1.4.4 UMTS Services and Applications.........................................................................................................14
1.4.5 UMTS Advanced Concepts...................................................................................................................15
1.4.6 Network Operators’ Functions...........................................................................................................15
1.4.7 Technological Progress Impact...........................................................................................................16
CHAPTER 2: ARCHITECTURE OVERVIEW................................................................................................17
2.1 GENERAL OVERVIEW OF THE SYSTEM..................................................................................................................17
2.2 USER EQUIPMENT (UE)...................................................................................................................................17
2.2.1 Schematic of the Receiver for UTRAN - Outdoor................................................................................19
2.3 THE ACCESS NETWORK: UTRAN.....................................................................................................................20
2.3.1 RNS Architecture.................................................................................................................................20
2.3.2 UTRAN Architecture...........................................................................................................................21
2.4 CORE NETWORK..............................................................................................................................................22
2.4.1 Serving Network..................................................................................................................................23
2.4.2 Home Network.....................................................................................................................................23
2.4.3 Transit Network...................................................................................................................................23
2.4.4 Interfaces and Their Function..............................................................................................................2
2.5 MOBILITY......................................................................................................................................................2. 4
CHAPTER 3: CDMA TECHNIQUE..................................................................................................................27
3.1 INTRODUCTION................................................................................................................................................27
3.2 ACCESS METHODS FDMA, TDMA, CDMA, FDD VS. TDD...........................................................................27
3.2.1 Frequency Division Multiple Access (FDMA).....................................................................................27
3.2.2 Time Division Multiple Access (TDMA)..............................................................................................28
3.2.3 Code Division Multiple Access (CDMA).............................................................................................29
3.2.4 FDD vs. TDD......................................................................................................................................30
3.3 INTRODUCTION TO SPREADING AND MODULATION.................................................................................................30
3.3.1 Orthogonal Codes...............................................................................................................................32
3.3.2 RAKE Receiver....................................................................................................................................35
3.3.3 Spread Spectrum Goals........................................................................................................................37
3.3.4 Code Properties..................................................................................................................................37
3.4 SOFT AND HARD HANDOVER.............................................................................................................................38
3.4.1 Handover.............................................................................................................................................38
3.4.2 Soft Handover.....................................................................................................................................38
3.4.3 Softer Handover..................................................................................................................................39
3.5 POWER CONTROL.............................................................................................................................................39
3.5.1 Inner Loop Power Control - Uplink.....................................................................................................42
3.5.2 Outer Loop Power Control (SIR target adjustment) -Uplink..............................................................43
3.5.3 Open Loop Power Control - Uplink.....................................................................................................43
3.5.4 Inner Loop Power Control - Downlink................................................................................................44
3.5.5 Outer Loop Power Control - Downlink...............................................................................................44
3.5.6 Open Loop Power Control - Downlink................................................................................................45
CHAPTER 4: AIR INTERFACE.......................................................................................................................46
4.1 RADIO TRANSMISSION AND RECEPTION................................................................................................................46
4.1.1 Frequency Band..................................................................................................................................46
4.1.2 Channel Arrangement .........................................................................................................................46
4.1.3 Tx-Rx Frequency Separation ..............................................................................................................46
4.1.4 Terminal Service Classes ....................................................................................................................47
4.1.5 Receiver Requirements........................................................................................................................47
4.1.6 Diversity Characteristics.....................................................................................................................47
4.2 LOGICAL, PHYSICAL AND TRANSPORT CHANNELS..................................................................................................48
4.2.1 Transport Channels:...........................................................................................................................49
4.2.2 Physical Channels:..............................................................................................................................50
4.2.3 Mapping of Transport Channels to Physical Channels.......................................................................57
4.3 SPREADING, SCRAMBLING AND MODULATION.......................................................................................................58
4.3.1 Uplink Spreading, Scrambling and Modulation..................................................................................58
4.3.2 Downlink Spreading, Scrambling and Modulation.............................................................................61
4.4 TRANSPORT CHANNEL CODING AND MULTIPLEXING CHAIN....................................................................................62
4.4.1 Channel Coding..................................................................................................................................64
4.4.2 Inner Inter-Frame Interleaving...........................................................................................................66
4.4.3 Rate Matching.....................................................................................................................................66
4.4.4 Transport-Channel Multiplexing.........................................................................................................67
4.4.5 Inner Intra-Frame Interleaving...........................................................................................................67
4.5 SERVICE MULTIPLEXING...................................................................................................................................67
4.6 TRAFFIC CASES (EXAMPLES)............................................................................................................................69
4.6.1 Continuous Transmission in Uplink with Variable Rate......................................................................69
4.6.2 Discontinuous Transmission (DTx) in Downlink with Variable Rate (1)............................................69
4.6.3 Discontinuous Transmission (DTx) in Downlink with Variable Rate (2)............................................70
4.7 INITIAL CELL SEARCH......................................................................................................................................70
4.7.1 Step 1: Slot Synchronisation................................................................................................................71
4.7.2 Step 2: Frame Synchronisation and Code Group Identification.........................................................71
4.7.3 Step 3: Scrambling Code Identification...............................................................................................72
4.7.4 Idle Mode Cell Search.........................................................................................................................72
4.7.5 Active Mode Cell Search......................................................................................................................73
4.8 PACKET ACCESS..............................................................................................................................................73
4.8.1 Common Channel Packet Access.........................................................................................................73
4.8.2 Dedicated Channel Single Packet Transmission.................................................................................74
4.8.3 Dedicated Channel Multi-Packet Transmission..................................................................................74
CHAPTER 5: RADIO THEORY........................................................................................................................75
5.1 INTRODUCTION................................................................................................................................................75
5.1.1 Radio Waves and Modulations............................................................................................................75
5.1.2 Access Methods...................................................................................................................................77
5.2 RADIO TRANSMISSION PROPERTIES AND PROBLEMS...............................................................................................78
5.2.1 Needed vs. Available Capacity ............................................................................................................78
5.2.2 Path Loss.............................................................................................................................................79
5.2.3 Shadowing...........................................................................................................................................79
5.2.4 Multi-Path Propagation......................................................................................................................80
5.2.5 Time Dispersion..................................................................................................................................81
5.3 RADIO TRANSMISSION OPTIMISATIOIN TECHNIQUES...............................................................................................81
5.3.1 Access Methods: Capacity vs Interference..........................................................................................81
5.3.2 Diversity..............................................................................................................................................83
5.3.3 Error Detection and Correction...........................................................................................................84
CHAPTER 6: USER EQUIPMENT (UE)...........................................................................................................88
6.1 TERMINALS IN THE GENERAL UMTS SYSTEM.....................................................................................................88
6.1.1 User Equipment Domain......................................................................................................................89
6.2 APPLICATIONS OF THE UE................................................................................................................................90
6.3 MULTIMEDIA USER EQUIPMENT.........................................................................................................................91
6.4 UMTS SUBSCRIBER IDENTITY MODULE (USIM)................................................................................................93
6.5 TECHNOLOGY OF THE TERMINALS......................................................................................................................95
CHAPTER 7: UMTS TERRESTRIAL RADIO ACCES NETWORK (UTRAN)..........................................98
7.1 INTRODUCTION................................................................................................................................................98
7.2 UTRAN MAIN ASPECTS.................................................................................................................................98
7.2.1 General Principles ..............................................................................................................................98
7.2.2 Capabilities ........................................................................................................................................99
7.2.3 UTRAN and GSM BSS (GSM Base Station Subsystem).....................................................................100
7.3 UTRAN SYSTEM ARCHITECTURE...................................................................................................................100
7.3.1 UMTS General System Architecture .................................................................................................100
7.3.2 UTRAN Architecture.........................................................................................................................100
7.4 UTRAN NODES .........................................................................................................................................101
7.4.1 Node B...............................................................................................................................................101
7.4.2 The Radio Network Controller (RNC)...............................................................................................103
7.5 UTRAN INTERFACES ...................................................................................................................................103
7.5.1 General Principles for UTRAN Interfaces.........................................................................................104
7.5.2 Iu Interface........................................................................................................................................104
7.5.3 Iur Interface......................................................................................................................................106
7.5.4 Iub Interface......................................................................................................................................109
7.5.5 UTRAN Internal Bearers....................................................................................................................110
7.6 UTRAN FUNCTIONS ....................................................................................................................................112
7.6.1 System Access Control.......................................................................................................................112
7.6.2 Radio Channel Ciphering / Deciphering...........................................................................................113
7.6.3 Mobility.............................................................................................................................................113
7.6.4 Radio Resource Management and Control........................................................................................116
7.7 IDENTIFIERS..................................................................................................................................................120
7.7.1 UTRAN identifiers .............................................................................................................................120
7.7.2 UE Identifiers ...................................................................................................................................120
7.8 UMTS QOS AND RAB................................................................................................................................121
7.8.1 Quality of Service (QoS) ..................................................................................................................121
7.8.2 Radio Access Bearers (RAB)..............................................................................................................122
CHAPTER 8: CORE NETWORK....................................................................................................................124
8.1 INTRODUCTION..............................................................................................................................................124
8.2 GPRS, AN IMPORTANT STEPPING STONE TOWARDS A UMTS CORE NETWORK.....................................................124
8.3 UPGRADING THE GSM CORE FOR GPRS.........................................................................................................126
8.3.1 New Nodes for Packet Data...............................................................................................................126
8.3.2 Upgrades to Existing GSM Nodes......................................................................................................127
8.4 MOVING TO UMTS IN THE GSM/GPRS CORE...............................................................................................127
8.4.1 Cell-Based Transport Network...........................................................................................................130
8.5 UMTS CORE NETWORK PHASE 1 (RELEASE 99) REQUIREMENTS........................................................................130
CHAPTER 9: HANDOVER (DOWNLINK CASE EXAMPLE)...................................................................133
9.1 POSITION 1...................................................................................................................................................133
9.2 POSITION 2...................................................................................................................................................133
9.3 POSITION 3...................................................................................................................................................133
9.4 POSITION 4...................................................................................................................................................134
9.5 POSITION 5...................................................................................................................................................134
9.6 POSITION 6...................................................................................................................................................134
9.7 POSITION 7...................................................................................................................................................134
9.8 POSITION 8...................................................................................................................................................135
9.9 POSITION 9...................................................................................................................................................135
9.10 POSITION 10...............................................................................................................................................135
CHAPTER 10: CELL PLANING......................................................................................................................136
10.1 INTRODUCTION TO CELL PLANNING.................................................................................................................136
10.2 DIFFERENT CELL TYPES...............................................................................................................................136
10.3 STEPS IN THE CELL PLANNING PROCESS..........................................................................................................138
10.3.1 System Requirements:.....................................................................................................................139
10.3.2 Define Radio Planning Guidelines:.................................................................................................139
10.3.3 Initial Cell Plan:.............................................................................................................................139
10.3.4 Surveys:...........................................................................................................................................140
10.3.5 Individual Site Design and Parameter Setting:...............................................................................140
10.3.6 Implementation:..............................................................................................................................140
10.3.7 Launch of Commercial Service:.......................................................................................................140
10.3.8 On-going Testing, Analyses and Optimisation:...............................................................................141
10.3.9 System Growth................................................................................................................................141
10.4 DIFFERENCES WITH 2G TDMA SYSTEMS - DEPLOYMENTS..............................................................................141
10.4.1 Exploiting Existing Networks...........................................................................................................141
10.4.2 Multi Service...................................................................................................................................141
10.4.3 New Air Interface............................................................................................................................142
10.5 CALCULATION OF COVERAGE AND CAPACITY....................................................................................................142
10.5.1 Needed Input Parameters.................................................................................................................142
10.5.2 Uplink Design..................................................................................................................................143
10.5.3 Downlink Design.............................................................................................................................143
10.5.4 Co-Siting With GSM Case................................................................................................................144
CHAPTER 11: WORLD-WIDE CONSENSUS ON ADDITIONAL SPECTRUM FOR 3RD
GENERATION..................................................................................................................................................1.45
**因为是关于the 3rd generation移动通讯的,所以就收3RD了:)
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