CDMA 120 – cdmaOne and CDMA2000 Concepts and Terminology phần 1 pdf

CDMA 120
cdma university
CDMA 120 –
cdmaOne and CDMA2000
Concepts and Terminology
CDMA 120 –
cdmaOne and CDMA2000
Concepts and Terminology
Student Guide
80-13321-1 X11
QUALCOMM
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without the written permission of QUALCOMM Incorporated.
Copyright © 2002 QUALCOMM Incorporated. All rights reserved. Printed in the United States
of America.
QUALCOMM Incorporated
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CDMA 120 – cdmaOne and CDMA2000 Concepts and Terminology
Table of Contents
80-13321-1 X11
© 2002 QUALCOMM Incorporated

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CDMA 120
cdma university
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CDMA 120 – cdmaOne and CDMA2000 Concepts and Terminology
Table of Contents
80-13321-1 X11
© 2002 QUALCOMM Incorporated
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CDMA 120 – cdmaOne and CDMA2000 Concepts and Terminology
Table of Contents
80-13321-1 X11
© 2002 QUALCOMM Incorporated
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Table of Contents

Section 1: Introduction
Section 1: Introduction 1-1
Course Overview 1-2
Recommended Reading List 1-5
Comments/Notes 1-7
Section 2: Background
Section 2: Background 2-1
Section Introduction 2-2
cdmaOne 2-3
IS-95A 2-4
ANSI J-STD-008 2-6
TIA/EIA-95 2-7
CDMA2000 2-8
Multiple Access Methods 2-9
Overview of CDMA 2-11
Example CDMA Network Architecture 2-12
The “Cellular” Concept and “Sectors” 2-13
cdmaOne Overview and Terminology 2-15
A/D 2-17
Error Detection Codes 2-18
Spread Spectrum Techniques 2-20
Binary Phase Shift Keying 2-23
QPSK 2-24
OQPSK 2-25
Analog and RF Concepts 2-26
Radio Channel Characteristics 2-28
Coherent / Non-Coherent Detection 2-29
Signal-to-Noise Ratio 2-30
Correlation 2-31
E

b
/N
0
2-32
Applications for cdmaOne 2-33
U.S. Cellular Frequency Allocations 2-34
The Cellular CDMA Channel 2-35
U.S. PCS Frequency Allocations 2-37
The PCS CDMA Channel 2-38
Fixed Wireless (Wireless Local Loop) 2-40
Section Review 2-41
Comments/Notes 2-42
Section 3: Codes in cdmaOne
Section 3: Codes in cdmaOne 3-1
Section Introduction 3-2
AND Function 3-4
CDMA 120 – cdmaOne and CDMA2000 Concepts and Terminology
Table of Contents
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© 2002 QUALCOMM Incorporated
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Orthogonal Codes 3-5
Generation of Orthogonal Codes 3-6
Orthogonal Codes 3-7
Orthogonal Spreading 3-8
Channelization Example 3-9
Orthogonal Spreading Example 3-12
Despreading Example 3-13
PN Codes 3-14
PN Code Generation 3-16

Masking 3-19
Section Review 3-21
Comments/Notes 3-22
Section 4: The cdmaOne Physical Layer
Section 4: The cdmaOne Physical Layer 4-1
Section Introduction 4-2
CDMA Channel Generation 4-3
Forward Link Channels 4-4
Pilot Channel 4-6
Sync Channel 4-7
Paging Channel 4-8
Forward Traffic Channel 4-9
Medium Data Rate Option Overview 4-12
Reverse Link Channels 4-13
Reverse Traffic Channel 4-15
Access Channel 4-16
Section Review 4-17
Comments/Notes 4-18
Section 5: Attributes and Techniques of CDMA
Section 5: Attributes and Techniques of CDMA 5-1
Section Introduction 5-2
Frequency Reuse 5-3
CDMA Frequency Reuse 5-5
Power Control 5-6
Soft Handoffs 5-9
Multipath 5-11
Variable Rate Vocoder 5-13
Vocoder Rates 5-15
CDMA Speech Codecs 5-16
Rate Sets 5-17

Multiplexing 5-19
Capacity 5-23
Capacity of Conventional Systems 5-24
CDMA Capacity 5-25
Coverage 5-26
CDMA 120 – cdmaOne and CDMA2000 Concepts and Terminology
Table of Contents
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Section Review 5-27
Comments/Notes 5-28
Section 6: Call Processing and Registration
Section 6: Call Processing and Registration 6-1
Section Introduction 6-2
Overview of Call Processing 6-3
Initialization State 6-4
Idle State 6-6
Access Channel Processing 6-7
Traffic Channel Message Structure 6-8
Determining Mobile Location 6-9
Overview of Registration 6-11
Systems and Networks 6-12
Roaming 6-13
Types of Registration 6-15
Autonomous Registration 6-16
Non-Autonomous Registration 6-17
Section Review 6-18
Comments/Notes 6-19
Section 7: cdmaOne Handoffs

Section 7: cdmaOne Handoffs 7-1
Section Introduction 7-2
Types of CDMA Handoffs 7-3
Idle Handoffs 7-4
Access Handoffs 7-5
Traffic Channel Handoffs 7-6
The Pilot Searching Process 7-10
Handoff Signaling 7-14
Section Review 7-16
Comments/Notes 7-17
Section 8: CDMA2000 Overview
Section 8: CDMA2000 Overview 8-1
Section Introduction 8-2
What is Third Generation? 8-3
3rd Generation Standards 8-4
CDMA2000 8-5
CDMA2000 1x Voice Capacity 8-6
CDMA2000 Physical Layer 8-7
Spreading Rate 1 and Spreading Rate 3 8-8
Physical and Logical Channels 8-9
CDMA2000 Logical Channel Naming 8-10
CDMA2000 Physical Channel Naming 8-11
CDMA2000 Logical to Physical Channel Mapping 8-12
CDMA 120 – cdmaOne and CDMA2000 Concepts and Terminology
Table of Contents
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© 2002 QUALCOMM Incorporated
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Available Forward Link Code Channels 8-13
Radio Configurations (RC) 8-14

Forward Link Radio Configurations 8-15
Reverse Link Radio Configurations 8-16
Dedicated Channels and Standard Services 8-17
RL Closed Loop Power Control 8-18
Forward Link Fast Power Control 8-19
Transmit Diversity 8-20
Benefits of Transmit Diversity 8-21
Walsh Notation 8-22
Variable Walsh Spreading 8-23
Walsh Limitations 8-24
Quasi-Orthogonal Functions (QOFs) 8-25
Walsh Facts 8-26
Turbo Encoder 8-27
Forward Link Physical Layer Key Characteristics 8-28
New Common Channels 8-29
Why New Forward Common Channels? 8-30
New Common Channels Structure 8-31
Backward-Compatible Forward Link Code Channels 8-32
New Forward Link Common Channels 8-33
New Forward Link Dedicated Channels 8-34
Forward Link Operation 8-35
Reverse Link Characteristics 8-36
Reverse Link Channels 8-38
Reverse Common and Dedicated Channels 8-39
Illustration of Reverse Link Operation 8-40
Data Multiplexing 8-41
Access Channel Procedures 8-42
What is 1xEV-DO? 8-43
1xEV-DO Is Data Optimized 8-44
1xEV-DO Data Rates 8-45

Co-located 1xEV-DO and CDMA2000 1x/IS-95 Carriers 8-46
1xEV-DO and IS-2000 Family Overlay 8-47
Comparison of Forward Links 1x vs. 1xEV-DO 8-48
Forward Link Slot Structure 8-49
Section Review 8-50
Comments/Notes 8-51
Section 9: Course Summary
Section 9: Course Summary 9-1
Comments/Notes 9-3
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