Core Network Performance and Optimization Consultant
Astellia/Exfo
مجموع سنوات الخبرة :12 years, 11 أشهر
o Provide consulting services to Network CEM department
o Monitoring and troubleshooting of Core Network 2G/3G/LTE
o Reporting found problems and give recommendations
o Handling customer complains related to CS/PS and roaming
o Locating network changes and reporting analysis
o Recommendation for Core Network Design team for optimization
• Customer Experience Management using Huawei CEM SEQ Analyst:
o PS and CS core demarcation and performance optimization
o Signaling flow analysis (A, Iu-CS, IU-PS, Gn, Gb, Gx, Gy)
o Troubleshooting, traces and reports generation to customer
o QoE analysis, Traffic Analysis, Terminal Analysis
• IP-STP SG7000 deployment:
o Design, commissioning, integration with all network nodes (MSS, HLR, SGSN, SMSC, OCS, VAS nodes)
o SCCP routing redirection, duplication based on GT, SSN
• International Gateway deployment:
o MSS Msoftx3000, UMG8900, and SBC SE2900 design, commissioning and integration
o PSTN to SIP interworking
• NGN core network integration and maintenance:
o On-duty work
o Design, planning, installation, commissioning and acceptance of core network nodes
o Problem handling and Customer Support
*)3G PS core network integration
- Design and integration of 3G PS core architecture
- Tunisiana 3G launch in July 2012
- NSN SGSN Flexi NS ATCA, GGSN FlexiNG ATCA and PCRF PCS5000 ATCA configuration
- Policy and charging rules validation and integration
- NSN OneNDS (HLR) users’ profiles validation
- QoS policies configuration and integration
- QoS and Charging policies design and implementation depending on marketing offers and VAS services (offers, SDP, wap…)
- Juniper firewall design (zones and policies) and integration
- IP routing configuration between PS core nodes and with backbone
- Acceptance of PS core part of Network Monitoring and traces “Astellia” (Core PS and UMTS)
*)Caching plateform design and integration
-Responsible of integration of caching platform with PS core network
*)Corporate APN:
- Design and integration of different solutions of corporate APN depending of client needs.
*) Testbed:
- Responsible of design and acceptance of PS core testbed architecture
*) Wi-Fi offload:
- Design of the needed solution and functionalities.
- Has been responsible of redaction and evaluation of Tunisiana Wi-Fi offload solution RFQ
- Responsible of integration of PS core part in the chosen solution
*) Backup fixed connection over 3G
- Design and integration of backup over 3G of fixed network.
- Tests of SIP calls and data backup
*) Network optimization:
- Responsible of evaluating needed feature and upgrade in PS core nodes (SGSN, GGSN, Firewall and PCRF)
- Troubleshooting and optimization based on KPIs and traces (NetAct, Astellia)
• CS network architecture and design taking into consideration transmission and access network
• R4 dimensioning: MSS, MGW dimensioning (design, roadmap, capacities, redundancy)
• Detailed R4 planning: MSS&MGW HLD/LLD validation, signaling / control plan / user plan routing
• Traffic model / Traffic engineering / Traffic matrix
• IP connectivity planning
• KPI monitoring and optimization
• TestBed project: NPO interface for the project
o CS planning data integration for MSS / MGW / NTHLR
o End-to-End architecture of the TestBed design (access, core CS+PS, transmission)
o Coordination with NPO team, PM and provider team.
• 3G rollout:
o IU-CS interface for Huawei and NSN RNCs integration
• Huawei swap project:
o BSC over IP Databuild preparation
• Multi-A:
o Preparation of multi-A design
o Superposition with access and transmission architecture
• Master and detailed plan of 2012 deliver
o Architecture, design, bottlenecks, Traffic model & traffic matrix calculation and forecast, action plans
• Pooling project:
o BSC integration order planning
o 20 BSCs integration in the pool data
o MSS/MGW LLD validation
o Routing modification and validation
Mobile networks, Signaling protocols, LANs, Routing, Switching, CCNA