Musarrat Khatoon

Lead Packet Core Engineer- Telenet Belgium

PS Core Nodes:

ZTE

1.ZXUN xGW (Packet Gateway)

2.ZXUN uMAC ( LTE mobility node)

3.EMS (GUI server)

4.CG (Charging Gateway)

NAS

1.GPRS DNS

Huawei

1.vePDG (Virtualized Evolved Packet Data Gateway)

2.vUGW (Unified Packet-Switched Gateway)
3.vUSN (Unified (Serving Node)

4.U2020 (Network management system)

Ericsson

vEPG (PDN Gateway)
SGSN (Serving GPRS Support Node)
iDNS & EDNS (Internationalized Domain Names)

Responsibility:

• Operation & Maintenance activities of Packet Core nodes.
• Analyzing and troubleshooting issue in Packet Core Network.
• Support IREG team in roaming testing & issues in GPRS, LTE, LTE-M and NB-IoT (Roaming Restriction Definition in SGSN-MME)
• Analysis of Traces response to sort out various interface issues i.e., Gx, Gy, S6a, S2b, SWm and S5/S8
• APN Configuration, Modification, traffic migration pool expansion
• Daily call with Customer regarding Activity, Incident tickets raised on previous day
• Traffic Offloading in case of incident or planned work
• To handle Software/Hardware fault in network elements, upgrading/ extension, activating new feature and testing them

Fault Management Engineer- Airtel South Africa

PS Core Nodes:
ZTE
1.ZXUN uMAC ( LTE mobility node)
2.EMS (GUI server)
Huawei
1.UGW (Unified Packet-Switched Gateway)
2.USN (Unified (Serving Node)
3.U2020 (Network management system)
Ericsson
1.vEPG (PDN Gateway)
2.SGSN (Serving GPRS Support Node)
3.iDNS & EDNS (Internationalized Domain Names)

Responsibility:

• Operation & Maintenance activities of Packet Core nodes such as on SGSN-MME, GGSN-PGW
• KPI and performance template creation for report preparation in M2000 or U2000.
• Bypassing OCS, PCRF & EIR Nodes while during any outage of Gy, Gx & Gf interfaces
• Backup of all Packet core nodes (SGSN, GGSN, SAPC)
• Analysis of Ping & Trace-route response to sort out various interface issues
• Troubleshooting & Rectification of alarms in the PACO nodes.

Packet Core Engineer-Vodafone India.

PS Core Nodes:

Ericsson
1.vEPG (PDN Gateway)
2.SGSN (Serving GPRS Support Node)
3.EMM (Ericsson Mediation)

Responsibility:

• Worked on Ericsson Packet Core Element (SGSN/GGSN)
• Worked on Ericsson LTE Elements (MME/SGW/PGW)
• Worked on Ericsson EMM CG Server
• KPI’s analysis

Core Optimization Engineer -Airtel Bharti India

Packet core nodes

Ericsson
1.vEPG (PDN Gateway)
2.SGSN (Serving GPRS Support Node)
CISCO
1.Cisco prime (KPI Monitoring tool)
Nokia
1.NetAct (Network Monitoring tool)

Responsibility:

• Optimized KPI of PACO (ASR, PSR 4G SAU, SRVCC, Traffic Throughput, PDP Succ.Rate,Bearer succ.Rate).
• Routine health checks of Packet Core elements (GGSN, SGSN, and MME, SGW, PGW)
• Optimized and Prepared Network Dashboard for Monthly, Weekly, Daily basis.

CS Core Engineer-Aircel India.

Core Nodes:
ZTE
1.MSC
2.MGW
3.EMS (GUI server)

4.GMSC

Responsibility:

• Troubleshooting experience of protocols i.e., ISUP, BICC, SIP technologies GSM
• Ensuring efficient routing (OSPF, static) of Voice, GBOIP, NTP, OMC, traffic
• Worked on Call Flows, signaling exchange between peer offices and roaming subscriber's Call Flows
• Making new signaling link for the new POI and Traffic Analysis of line/trunk group.

Engineer- India Mart

Worked on B2B services and Maintenance of Nodes.

Responsibility

• Resolving service issues and maintaining service
• Internet Marketing, online Promotion, off page SEO, PPC
• Highly organized with customer-focus