ACADEMY
Description of Course 19/09/2011 1/4
Base Station Subsystem Operation and Maintenance RG20 (BSS) for
experience GSM engineers (RN2819-20A)
Description of Course
Target Group
Experience BSS engineering personnel who will responsible for the operation and mantainance of NSN BSS (Flexi BSC)
This course is compress version of RN2812: Base Station Subsystem Essentials and RN2817 and Base Station Subsystem Integration
Duration of course has been shorten base on participants must have experience of GSM BSS, principle of BSS will cover in review level
This course is not recommend to new engineer
Aims
After the training, the participant will be able to:
Identify and describe the BSS network elements
Perform essential Flexi BSC and TCSM operation
Explain NSN 2G Base Station solutions, such as Flexi EDGE and Flexi Multiradio BTS
Describe the architecture and functions of NSN Flexi BSC family (BSC3i660/1000/2000 and Flexi BSC(3000)), its capacity and configurations
Describe the BSS radio network object parameters
Apply MML command to interrogate signalling and circuit switched traffic
Interrogate and modify the radio network parameters and RNW objects with MML Commands, including adjacent cells
Explain GPRS/EGPRS network structure and GPRS/EGPRS configuration. Eg: Gb over IP and Multipoint Gb interface
Create and configure TCSM3i setting
Integrate A interface using MML commands
Integrate Abis interface using MML commands
Monitor BTS restart phases of base station
Integrate Gb interface both Gb over FR and Gb over IP
Create EGPRS/GPRS Radio Network configuration
Note: This training is NOT cover Packet Abis and A over IP intergration.
Note: Packet Abis and A over IP cover in RN2818: BSC IP Connectivity and RN2820: RG20 IP Trainsport Integration
Prerequisites
TM5108: GSM Fundamentals
PF1001/PF1002: Switching Platform Essential and Adminstation or PF2000-04: Flexi BSC DX200 Switching Platform
Experience in GSM technology and the Base Station Subsystem in particular as well as NSN DX200 Platform knowledge
Contents
BSS Overview (review)
Label a diagram of the elements and interfaces used within the BSS
Describe the functions of the BSS elements (BSC, TCSM and BTS)
ACADEMY
Description of Course 19/09/2011 2/4
Describe RG20 transport features
BSS Traffic Channels (Only review, participants must have knowledge of BSS Traffic channel)
Name the BSS network elements that are involved in a circuit and packet switched
Name and specify the interfaces that are involved in a call (A, Abis, Gb)
Explain the traffic and signaling flow for the voice in circuit switched within BSS network elements
Explain the traffic and signaling flow for the packet data in packet switched within BSS network elements
Describe the A, Abis and Gb interface over IP concept
Flexi BSC Architecture and Interfaces
Explain the architecture and capacity of NSN Flexi BSC Family (BSC3i 660, BSC3i 1000/2000, and Flexi BSC)
Explain unit functions of switching unit, computer units (MCMU, BCSU and OMU) and PCU
Describe the synchronization and internal LAN within Flexi BSC
Describe Flexi BSC interfaces units: ET,SET,EET and ETIP/ETP for IP/Ethernet
Explain the other units related to mass memory storage (WDU), removable storage (MO, USB), I/O devices (VDU, LPT), Power distribution (PDFU) and Fan units.
Explain the capacity of TRX, SS7 & LAPD signalling, packet channels, and capacity upgrade in BSC type variants
Apply MML command to interrogate BSC hardware database
Interpret the information for when do hardware interrogation
Demonstrate to check the unit state with MML command
Interpret the capacity of AS7 plug-in unit related to SS7, LAPD channels
Interpret the capacity of PCU related to Gb interface and Abis interface for packet data channels
TCSM3i Architecture and Interfaces
Explain the use and functionality of TCSM3i in BSS
Understand 2 types of TCSM3i : Stand-alone & Combi
Explain the TCSM3i architecture, capacity, configuration and interfaces
Apply MML command to interrogate the TCSM hardware database
Demonstrate connection to TCSM locally and remotely
Apply frequently use commands in TCSM Service Terminal
BSS Radio Network Operation & Maintenance (Participants must have knowledge of BSS protocols and parameters)
Explain basic BSS protocols and parameters: such as CCS7, SIGTRAN, LAC, CI, RAC and NCC (review)
Describe the differences between Frequency Hopping and Baseband Hopping technique (review)
Describe the procedure to modify basic radio network parameter
Apply MML command to interrogate signalling and circuit switched traffic
Interrogate the radio network parameters and RNW objects with MML Commands
Use MML to modify and operate basic radio network parameter
Handling GSM and WCDMA adjacent cells
NSN 2G BTS Solution
Describe the general knowledge of NSN Flexi EDGE BTS
Understand the concept of Flexi Multiradio BTS
Explain coverage and capacity of different NSN 2G BTS solution
Identify the main modules of NSN 2G BTS and their functionalities of the BTS
List the integrated transmission modules of NSN 2G BTS
GPRS/EGPRS handling in BSS
Define GPRS Network structure
Define GPRS Hardware and Software requirements
Explain the main functions of PCU plug-in unit in BSC
Explain Gb Interface protocol (Gb over FR and Gb over IP )
Explain GPRS/EGPRS cell parameter
Explain usage of Dynamic Abis (DAP)
Recognize the concept of PCU2 pooling
ACADEMY
Description of Course 19/09/2011 3/4
Describe “multi-Gb” interface
Apply MML command to interrogate the Gb interface parameter
Apply MML command to modify the GPRS/EDGE parameter in cell
Interrogation of BSC IP Settings
Describe the IP protocol Basics: IP address, netmask, routing
Describe the use of IP in BSC (physical interfaces and logical interfaces)
Apply MML command to interrogate IP setting for O&M and for Gb over IP
TCSM Functions and settings
Creating Transcoding and Rate Adaptation Unit (TRAU) frame
Explain principle of Acoustic Echo Cancellation (AEC) and Automatic Level Control (ALC)
Explain principle of Tandem Free Operation (TFO) and Noise Suppression (NS)
Interrogate and modify setting of TCSM3i
A Interface Integration
Describes the A interface signalling hierarchy and traffic channel distribution within the BSC
Use the BSS Integration reference material to create an A interface connection
Integrate the Ater and A interfaces
Create the Standalone TCSM unit
TCSM3i and Combi TCSM Configuration and TR3 roles
Create TCSM3i hardware in Master BSC
Create Combi TCSM unit in Master and Remote BSC
Create connecting the A interface ET
Explain and Congfigure Ater Interface in MGW
Creating the CCS7 signalling (MTP, SCCP, BSSAP, BSSMAP and DTAP)
Creating the speech channels and interrogate A interface parameters
Explain SIGTRAN (SCTP, M3UA) concept and creating A interface SIGTRAN in BSC
Abis Interface Integration
Describe the procedure for Abis interface structure and integration step
List the basic Radio Network parameter needed for creating Radio Network objects
Create the Abis interface, radio network objects and control parameters
Handling BTS software from BSC: download SW from BSC to BTS and database structure
Taking Base Station into use
BTS Restart Phase Monitoring
Monitor the restart phases of base stations using the service terminal extension RPHASE
GPRS and EGPRS Integration in BSC
Explain Gb over Frame Relay configuration and protocol
Create GPRS (FR) in BSC
Explain Gb over IP interface configuration and protocol
Explain static and dynamic Gb over IP configuration
Integrate the Gb over IP
Create GPRS radio network using MML commands
Activate GPRS cell and BTS
Create EGPRS on a cell level
Create dynamic Abis Pools
Comment
This course is a compress version of RN2812 and RN2817.principle of BSS will cover in review level
General O&M of BSC3i (660/1000/2000) and Flexi BSC are similar. Therefore, testbed of BSC3i (660/1000/2000) or Flexi BSC can use for this training. However, if practical need to focus only Flexi BSC please indicate in training requirement.
Duration
ACADEMY
Description of Course 19/09/2011 4/4
5 Days
Max number of participants
8
Schedule
On request
Course Type: with or without practice
PTB=Practical and theoretical course with testbed
Course skill level
IMD intermediate
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