Objectives of Chapter 7
19
7/ 038 13 - EN/LZU 108 852 R4A GSM System Survey Slide 1 After completing this chapter, participants will be able to: • Explain that the BSC controls radio resources for the RBS • Outline the main working functions of a BSC, TRC and RBS • Outline that an RBS contains a transmitter and a receiver and is the interface towards the MS • Describe briefly the 3 positioning methods available with Flexible Positioning Support Objectives of Chapter 7
description
Objectives of Chapter 7. After completing this chapter, participants will be able to: Explain that the BSC controls radio resources for the RBS Outline the main working functions of a BSC, TRC and RBS Outline that an RBS contains a transmitter and a receiver and is the interface towards the MS - PowerPoint PPT Presentation
Transcript of Objectives of Chapter 7
7/ 038 13 - EN/LZU 108 852 R4A GSM System SurveySlide 1
After completing this chapter, participants will be able to:• Explain that the BSC controls radio resources for the RBS• Outline the main working functions of a BSC, TRC and
RBS• Outline that an RBS contains a transmitter and a receiver
and is the interface towards the MS• Describe briefly the 3 positioning methods available with
Flexible Positioning Support
Objectives of Chapter 7
7/ 038 13 - EN/LZU 108 852 R4A GSM System SurveySlide 2
BSS in Ericsson’s GSM Systems
9805050
MSC TRC BSC
BSSSS
RBS
BSC/TRC RBS
7/ 038 13 - EN/LZU 108 852 R4A GSM System SurveySlide 3
TRC Utilization and Transmission Rates in BSS
7/ 038 13 - EN/LZU 108 852 R4A GSM System SurveySlide 4
TRC Hardware Configuration
9805045
RPRP
MSC/VLR
SRS
BSC
ETC
ETC
ETC
ETC
RP
CPSP
TRAU
RPRPD
ST7
RP
GroupSwitch
RALT RTLTT
7/ 038 13 - EN/LZU 108 852 R4A GSM System SurveySlide 5
BSC Hardware Configuration
9805046
RPRP
GroupSwitch
TRC
SRS
RBS
ETC
ETC
ETC
ETC
RP
CPSP
RPG
TRH
RPD
ST7
7/ 038 13 - EN/LZU 108 852 R4A GSM System SurveySlide 6
Examples of the RBS 2000 Series
7/ 038 13 - EN/LZU 108 852 R4A GSM System SurveySlide 7
RBS listening for Channel Requests and measuring the Uplink on Established Connection
7/ 038 13 - EN/LZU 108 852 R4A GSM System SurveySlide 8
Replaceable Units in RBS 2000
9600740
TRU
ECU PSU
TRU
DXU
Test
TransportNetworkInterface
LocalTerminalInterface
ExternalAlarms
External Battery
Mains Supply
External AC/DC Supply
AntennaSystemsInterface
AntennaSystemsInterface
Test MSInterface
Test MSInterface
CDU
CDU
Local Bus
Timing Bus
7/ 038 13 - EN/LZU 108 852 R4A GSM System SurveySlide 9
Example of a CDU type C
9600781
4 TX INTO TWO DIVERSE RECEIVE ANTENNAS
A-antenna B-antenna
Duplexor
Hybrid
TX1 TX2 TX3 TX4
Hybrid
Duplexor
RXA RXB
7/ 038 13 - EN/LZU 108 852 R4A GSM System SurveySlide 10
Ericsson’s RBS 2000 Network Configurations
9805049
BSCTRC
DXX
DXX
DXX
DXX
DXX
DXX
DXX
7/ 038 13 - EN/LZU 108 852 R4A GSM System SurveySlide 11
RBS 2101
9805053
7/ 038 13 - EN/LZU 108 852 R4A GSM System SurveySlide 12
9805054
RBS 2102
7/ 038 13 - EN/LZU 108 852 R4A GSM System SurveySlide 13
RBS 2103
9805055
7/ 038 13 - EN/LZU 108 852 R4A GSM System SurveySlide 14
RBS 2202
9805111
7/ 038 13 - EN/LZU 108 852 R4A GSM System SurveySlide 15
RBS 2205
• New cabinet (based on RBS 2202)
• Single & double cabinet versions
7/ 038 13 - EN/LZU 108 852 R4A GSM System SurveySlide 16
• Easy accessible and changeable power interface
• Internal temperature controlled cooling
• Fulfill Seismic requirements without any optional kit
RBS 2206
7/ 038 13 - EN/LZU 108 852 R4A GSM System SurveySlide 17
RBS 2301 and RBS 2302
9805056
• Almost identical
7/ 038 13 - EN/LZU 108 852 R4A GSM System SurveySlide 18
RBS 2308
• Small in size • Successor to 2302• Flexible building
practice
7/ 038 13 - EN/LZU 108 852 R4A GSM System SurveySlide 19
RBS 3000 - Radio Base Station Family
3202 Indoor
3101 Outdoor3401 Indoor
3501 Outdoor
