RBS Configurations24/1551-LZA 701 6001 Uen M | 2010-12-06
Introduction
RBS Configurations
Radio Units
Radio Building Blocks
Radio Configurations
Introduction
DBBs
RBS Configurations
2
Building Blocks This section describes all building blocks used in radio configurations. For information about what building blocks are supported for specific radio
Building Blocks
RBS Configurations
2.1.4
RBB22_1A RBB22_1A is used for sectors with two TX branches, two RX branches, and one CPRI connection. There is an analog cross-connection between the RUs or RRUs.
Building Blocks
Figure 7 shows the RBB22_1C block diagram.
RBS Configurations
Building Blocks
RBS Configurations
Building Blocks
RBS Configurations
For RBBs with more than one CPRI connection, the ports in the RBB are used from top to bottom as seen in the block diagrams in Section 2.1 on page 4. For DBBs with more than one CPRI connection to each sector, the ports in the DU are used in alphabetical order.
2.2.1
DBB10_xx
Building Blocks
2.2.2
DBB21_xx This section describes DBBs with two DU with one CPRI link for DU-DU interconnection, DBB21_xx.
Radio Configurations for WCDMA
3
Radio Configurations for WCDMA
RBS Configurations
Radio Configurations for WCDMA
Table 5
RBB Summary
Number of Carriers
Number of TX Branches per Carrier
RBB
Power Options per Cell Carrier Default
With Licenses
RBS Configurations
3.4
Supported Radio Configurations This section describes the supported WCDMA radio configurations by listing valid combinations of DBBs and RBBs. The tables in this section are used as follows: • •
One DBB is selected from the DBB column. table 6B (lisBh)-222.8(hed)-2963[(valid)-298.3(combinat One RBB is selected for each sector. and1ferentd
Radio Configurations for WCDMA
Table 6 Carriers
1–3 Sector Star Configurations DBB
RBB
RBS Type 6101
RBB10_1 A
6102
6201
6202
6601
Radio Configurations for WCDMA
Table 9 Carriers
4–6 Sector Cascade Configurations DBB
RBB
RBS Type 6101
1
DBB10_2 1 DBB10_2
6102
6201
6202
6601
Radio Configurations for LTE
Table 10
Radio Configuration Capabilities
Frequency Band
Configuration
Maximum Output RBS Type Powe3powe374.Sect(fos)]TJ/F11Tf671702006717035634.6697499T0
RBS Configurations
Table 12
Main-Remote RBS RBB Summary
Frequency Band
TX Diversity/MI RBB MO 2x2 Capable
Output Power Options per Sector
Radio Configurations for GSM
Table 16 can be used to select an RBB or a combination of RBBs based on required number of carriers and output power per carrier. Table 16