Umts Tutorial
Páginas: 34 (8258 palabras)
Publicado: 3 de diciembre de 2012
Software solutions in radiocommunications
Tutorial
June 2009
UMTS 3G network
design
Software solutions in radiocommunications
Tutorial
June 2009
UMTS 3G network
design
2/84
TABLE OF CONTENTS
1
DEFINITION OF THE SERVICE AREA ____________________________________ 4
2 GENERATION OF MOBILE 3G (SUBSCRIBERS) ___________________________ 7
2.1 Introduction______________________________________________________________________ 7
2.2 Selection of the service area _________________________________________________________ 9
2.3 Creation of the subscriber database __________________________________________________ 10
2.3.1 Definition of the locations of the subscriber: __________________________________________ 12
2.3.2 Definition of the parameters of thesubscribers ________________________________________ 12
2.3.4 Definition of the number of subscribers to generate_____________________________________ 15
2.4 Generation of subscribers ________________________________________________________ 16
2.4.1 Generation of subscriber for Voice service (12.2 kbps) __________________________________ 17
2.4.2 Generation of subscriber for CS (128kbps)service: ____________________________________ 19
2.4.3 Generation of subscriber for PS (384kbps) service:_____________________________________ 21
2.5 Display the subscribers on the map___________________________________________________ 23
3 DEFINITION OF SIMULATION PARAMETERS ___________________________ 26
3.1 Definition of the propagation model__________________________________________________ 26
3.2 Definition of the clutter parameters___________________________________________________ 28
3.3 Definition of the limit distance ______________________________________________________ 29
3.4 Definition of other simulation parameters______________________________________________ 29
3.5 Saving the simulation parameters ____________________________________________________ 324 UMTS PRE DESIGN ____________________________________________________ 33
4.1 Cell range and cell coverage estimation _______________________________________________ 33
4.2 Traffic calculation ________________________________________________________________ 35
4.3 Conclusion______________________________________________________________________ 38
5 MANAGEMENT AND SELECTION OFEXISTING GSM SITES ______________ 39
5.1 Import of existing 2G sites__________________________________________________________ 40
5.2 Setting of the existing UMTS parameters ______________________________________________ 45
5.3 Selection of the best existing sites ____________________________________________________ 58
6 IMPROVEMENT OF THE CURRENT UMTS NETWORK ___________________ 68
6.1Additional site searching with the function “Prospective planning” _________________________ 68
6.2 Final result _____________________________________________________________________ 74
7 UMTS COVERAGE CALCULATION AND ANALYSIS ______________________ 75
7.1 Pilot coverage calculation__________________________________________________________ 75
7.2 Ec/I0 forward calculation__________________________________________________________ 77
7.3 Ec/I0 forward pilot pollution ________________________________________________________ 78
7.4 Eb/N0 forward calculation _________________________________________________________ 79
8 W-CDMA TRAFFIC ANALYSIS__________________________________________ 80
8.1 Station traffic calculation__________________________________________________________ 80
8.2 The Monte Carlo method___________________________________________________________ 82
3/84
The target of the initial planning phase for a UMTS network is to estimate the required site density and site
configurations for the area of interest. Initial planning activities include radio link budget and coverage analysis,
capacity evaluation and lastly estimation of the...
Tutorial
June 2009
UMTS 3G network
design
Software solutions in radiocommunications
Tutorial
June 2009
UMTS 3G network
design
2/84
TABLE OF CONTENTS
1
DEFINITION OF THE SERVICE AREA ____________________________________ 4
2 GENERATION OF MOBILE 3G (SUBSCRIBERS) ___________________________ 7
2.1 Introduction______________________________________________________________________ 7
2.2 Selection of the service area _________________________________________________________ 9
2.3 Creation of the subscriber database __________________________________________________ 10
2.3.1 Definition of the locations of the subscriber: __________________________________________ 12
2.3.2 Definition of the parameters of thesubscribers ________________________________________ 12
2.3.4 Definition of the number of subscribers to generate_____________________________________ 15
2.4 Generation of subscribers ________________________________________________________ 16
2.4.1 Generation of subscriber for Voice service (12.2 kbps) __________________________________ 17
2.4.2 Generation of subscriber for CS (128kbps)service: ____________________________________ 19
2.4.3 Generation of subscriber for PS (384kbps) service:_____________________________________ 21
2.5 Display the subscribers on the map___________________________________________________ 23
3 DEFINITION OF SIMULATION PARAMETERS ___________________________ 26
3.1 Definition of the propagation model__________________________________________________ 26
3.2 Definition of the clutter parameters___________________________________________________ 28
3.3 Definition of the limit distance ______________________________________________________ 29
3.4 Definition of other simulation parameters______________________________________________ 29
3.5 Saving the simulation parameters ____________________________________________________ 324 UMTS PRE DESIGN ____________________________________________________ 33
4.1 Cell range and cell coverage estimation _______________________________________________ 33
4.2 Traffic calculation ________________________________________________________________ 35
4.3 Conclusion______________________________________________________________________ 38
5 MANAGEMENT AND SELECTION OFEXISTING GSM SITES ______________ 39
5.1 Import of existing 2G sites__________________________________________________________ 40
5.2 Setting of the existing UMTS parameters ______________________________________________ 45
5.3 Selection of the best existing sites ____________________________________________________ 58
6 IMPROVEMENT OF THE CURRENT UMTS NETWORK ___________________ 68
6.1Additional site searching with the function “Prospective planning” _________________________ 68
6.2 Final result _____________________________________________________________________ 74
7 UMTS COVERAGE CALCULATION AND ANALYSIS ______________________ 75
7.1 Pilot coverage calculation__________________________________________________________ 75
7.2 Ec/I0 forward calculation__________________________________________________________ 77
7.3 Ec/I0 forward pilot pollution ________________________________________________________ 78
7.4 Eb/N0 forward calculation _________________________________________________________ 79
8 W-CDMA TRAFFIC ANALYSIS__________________________________________ 80
8.1 Station traffic calculation__________________________________________________________ 80
8.2 The Monte Carlo method___________________________________________________________ 82
3/84
The target of the initial planning phase for a UMTS network is to estimate the required site density and site
configurations for the area of interest. Initial planning activities include radio link budget and coverage analysis,
capacity evaluation and lastly estimation of the...
Leer documento completo
Regístrate para leer el documento completo.