monkey18
2010-07-05, 02:04 PM
This is a material of 52 pages concerning WCDMA networks:
Content:
1 INTRODUCTION 4
2 DATA PERFORMANCE IMPROVEMENT THROUGH COVERAGE-ENHANCING
FEATURES, PRODUCTS, AND NETWORK DESIGN 4
2.1 TRADE-OFF BETWEEN COVERAGE AND CAPACITY 4
2.2 DESIGN OBJECTIVES 5
2.3 CHALLENGES FOR URBAN/SUBURBAN AREAS 5
2.3.1 SITE ACQUISITION, CHOICE OF EQUIPMENT AND PLACEMENT OF SITES AND ANTENNAS 6
2.3.2 TRAFFIC PLANNING 6
2.3.3 NETWORK OPTIMIZATION 7
2.3.4 ADVANCED RECEIVERS, ANTENNAS SOLUTIONS, DIVERSITY AND PACKET DATA
COVERAGE PERFORMANCE 8
2.4 CHALLENGES FOR RURAL COVERAGE 9
2.4.1 IMPROVING THE LINK BUDGET TO IMPROVE PACKET DATA RATE COVERAGE AND/OR
EXTEND THE CELL RADIUS 9
2.5 CHALLENGES FOR INDOOR COVERAGE 10
2.5.1 BASICS ON INDOOR ENVIRONMENT 10
2.5.2 DIFFERING INDOOR ENVIRONMENTS 11
2.5.3 PUBLIC AREAS 11
2.5.4 RESIDENTIAL AREAS 12
2.5.5 BUSINESS AREAS 12
3 SOLUTION OVERVIEW 12
3.1 EQUIPMENT BASED SOLUTIONS 12
3.1.1 MACRO NODE B, MICRO NODE B, PICO NODE B, FEMTO NODE B 12
3.1.2 DISTRIBUTED FIBER SYSTEMS AND DAS 17
3.1.3 NEUTRAL HOST 21
3.1.4 INTELLIGENT REPEATERS 21
3.1.5 REMOTE RADIO HEADS 23
3.2 ADVANCED RECEIVERS AND INTERFERENCE CANCELLATION 25
3.3 ANTENNA BASED SOLUTIONS 27
3.3.1 REMOTELY ADJUSTABLE ANTENNAS 27
3.3.2 SMART ANTENNAS AND DIVERSITY 30
3.3.3 ANTENNA SOLUTIONS – HIGH ANTENNA GAINS 35
3.3.4 NULL-FILLING AND BELOW HORIZON COVERAGE 35
3.3.5 WIND LOAD 36
3.3.6 GAIN, PHYSICAL SIZE AND COVERAGE 36
3.4 OTHER COVERAGE ENHANCING SOLUTIONS 36
3.4.1 EXTENDED RANGE 36
3.4.2 EXTENDED COVERAGE FOR DOWNLINK 37
3.4.3 LOWER FREQUENCY BANDS 37
4 SUPPORT TOOLS FOR PLANNING AND OPTIMIZATION 37
4.1 DYNAMIC NETWORK OPTIMIZATION 37
4.2 EXAMPLE OF ADAPTATION IN TIME 38
4.2.1 OPTIMIZATION STRATEGY 40
3
5 PERFORMANCE ANALYSIS AND EVALUATION 42
5.1 COVERAGE MODEL DEFINITION AND ASSUMPTIONS 42
5.1.1 PROPAGATION MODELS 42
5.2 APPLICATION MATRIX SHOWING USE AND COMPARATIVE STRENGTHS OF EACH
SOLUTION 48
6 CONCLUSION 49
7 ACKNOWLEDGEMENTS 50
8 ACRONYMS 50
9 REFERENCES 52
9618
9619
Thanks and reputation are welcomed,guys:D
Content:
1 INTRODUCTION 4
2 DATA PERFORMANCE IMPROVEMENT THROUGH COVERAGE-ENHANCING
FEATURES, PRODUCTS, AND NETWORK DESIGN 4
2.1 TRADE-OFF BETWEEN COVERAGE AND CAPACITY 4
2.2 DESIGN OBJECTIVES 5
2.3 CHALLENGES FOR URBAN/SUBURBAN AREAS 5
2.3.1 SITE ACQUISITION, CHOICE OF EQUIPMENT AND PLACEMENT OF SITES AND ANTENNAS 6
2.3.2 TRAFFIC PLANNING 6
2.3.3 NETWORK OPTIMIZATION 7
2.3.4 ADVANCED RECEIVERS, ANTENNAS SOLUTIONS, DIVERSITY AND PACKET DATA
COVERAGE PERFORMANCE 8
2.4 CHALLENGES FOR RURAL COVERAGE 9
2.4.1 IMPROVING THE LINK BUDGET TO IMPROVE PACKET DATA RATE COVERAGE AND/OR
EXTEND THE CELL RADIUS 9
2.5 CHALLENGES FOR INDOOR COVERAGE 10
2.5.1 BASICS ON INDOOR ENVIRONMENT 10
2.5.2 DIFFERING INDOOR ENVIRONMENTS 11
2.5.3 PUBLIC AREAS 11
2.5.4 RESIDENTIAL AREAS 12
2.5.5 BUSINESS AREAS 12
3 SOLUTION OVERVIEW 12
3.1 EQUIPMENT BASED SOLUTIONS 12
3.1.1 MACRO NODE B, MICRO NODE B, PICO NODE B, FEMTO NODE B 12
3.1.2 DISTRIBUTED FIBER SYSTEMS AND DAS 17
3.1.3 NEUTRAL HOST 21
3.1.4 INTELLIGENT REPEATERS 21
3.1.5 REMOTE RADIO HEADS 23
3.2 ADVANCED RECEIVERS AND INTERFERENCE CANCELLATION 25
3.3 ANTENNA BASED SOLUTIONS 27
3.3.1 REMOTELY ADJUSTABLE ANTENNAS 27
3.3.2 SMART ANTENNAS AND DIVERSITY 30
3.3.3 ANTENNA SOLUTIONS – HIGH ANTENNA GAINS 35
3.3.4 NULL-FILLING AND BELOW HORIZON COVERAGE 35
3.3.5 WIND LOAD 36
3.3.6 GAIN, PHYSICAL SIZE AND COVERAGE 36
3.4 OTHER COVERAGE ENHANCING SOLUTIONS 36
3.4.1 EXTENDED RANGE 36
3.4.2 EXTENDED COVERAGE FOR DOWNLINK 37
3.4.3 LOWER FREQUENCY BANDS 37
4 SUPPORT TOOLS FOR PLANNING AND OPTIMIZATION 37
4.1 DYNAMIC NETWORK OPTIMIZATION 37
4.2 EXAMPLE OF ADAPTATION IN TIME 38
4.2.1 OPTIMIZATION STRATEGY 40
3
5 PERFORMANCE ANALYSIS AND EVALUATION 42
5.1 COVERAGE MODEL DEFINITION AND ASSUMPTIONS 42
5.1.1 PROPAGATION MODELS 42
5.2 APPLICATION MATRIX SHOWING USE AND COMPARATIVE STRENGTHS OF EACH
SOLUTION 48
6 CONCLUSION 49
7 ACKNOWLEDGEMENTS 50
8 ACRONYMS 50
9 REFERENCES 52
9618
9619
Thanks and reputation are welcomed,guys:D