User's Manual

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Chapter 3 System Structure

LTE eNB System Description v2.0 44

OAM Blocks

The Operation And Maintenance (OAM) is responsible for operation and

maintenance in eNB.

The OAM is configured with OSAB, PM, FM, CM, SNMP, SwM, TM, Web-EMT,

and CLI.

Figure 23. OAM Structure

The major functions of OAM are as follows:

OAM SON Agent Block (OSAB)

To allow the operator of a management system to perform LTE SON function of

eNB, the OSAB supports the automatic configuration & installation of system

information, and automatic creation & optimization of a neighbor list. The OSAB

operates on the master OAM board.

The main functions of OSAB are as follows:

 System information, automatic configuration, and automatic installation

 Optimizing automatic neighbor relation

Performance Management (PM)

The PM collects and provides performance data so that the operator of the

management system can determine the performance of LTE eNB. The PM collects

events and performance data during system operation and transmits them to the

management systems. Overall statistics files are generated in binary form every 15

minutes, and these files are collected in the management system via FTP/SFTP on

the regular basis.

The main functions of PM are as follows:

 Collecting statistics data

 Storing statistics data

 Transmitting statistics data