Mohamed GAFSI
Home address: 29 rue des Godeaux 91800 Brunoy
Phone: +33 652 319 095
Email: mohamed.gafsi@gmail.com
Date of birth: September 20, 1983
Single
Nationality: French
Flexible and able to travel
Engineer of system test and integration (LTE / IMS / eMBMS)
Junior Project Manager
Objective: Broaden my knowledge by working as a Telecommunication Engineer on a project related
to new telecommunication technologies LTE / IMS / eMBMS
EDUCATION
2003 – 2008: University Paris-Sud 11 - Master of Science in Network and Telecommunication.
LANGUAGES
- French: fluently / English: Professional
WORK EXPERIENCE
System test and integration LTE / IMS / eMBMS
v Nokia - Villarceaux-France
Tasks:
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Installation virtual LMG (V-RMS) with VMware
· Monitoring and validation the new features and versions of equipment interact with IOT (CSFB, VoLTE, SRVCC,
OTDOA, SUPL, Load Balancing, Carrier Aggregation, Tri Carrier Aggregation ...)
Testing, investigation, troubleshooting E2E for LTE, Carrier Aggregation, IMS, SRVCC, eMBMS.
· Update AT&T test plan for LTE, IMS, Carrier Aggregation, new features.
· Analysis and debugging of UE logs (MAC, RLC, RRC and NAS layer)
· Analyze logs on different interface network (S1AP, M3, S6a…).
· Technical support for customers.
· Deep knowledge on 3GPP Standard.
System: Solaris.
Virtualization solution: VMware
Technologies: LTE, IMS, eMBMS,
Features: VoLTE, SRVCC, TTI bundling, SPS, MAC DRX, OOT, eICIC, MFBI.
Network Tools: Sherpa, Wireshark, EasyAnalyser, SAM.
Mobiles Tools: QXDM, Qcat
Protocols and interface: Nbi, SG-mb, Si, SGi-mb, Sm, M1, S1AP, GTP, GTPV2, X2AP, Diameter, SIP, RTP, Gn, Gx.
Equipment: eNodeB, MME, SGW, PGW, MBMS-GW, ADF, MDF (OAM, BE, Farm, Flute).
Standards: reading and interpretation of 3GPP.
LTE Design and Integration IMS / eMBMS
v Alcatel-Lucent New Jersey – United States
Tasks:
· Upgrade LMG (MDF, ADF, GW, )
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·
Troubleshooting in LMG (Nbi, SG-mb, Si, SGi-mb, Sm, M1, Sgi interface )
· Upgrade of eNodeB and creating eMBMS databases.
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· Validation DCA App, QCT App, Expway App.
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eMBMS mobile testing and validation per Verizon Wireless eMBMS requirements including IMS functionalities.
Installation and configuration Qualcomm Middleware.
· Deep knowledge on 3GPP Standard.
· Analysis and debugging of UE logs Samsung, LGE, Motorola, Sony Mobile (MAC, RLC, RRC and NAS layer)
· Good skills in different LTE Layers (Physical and stack)
· Analyze logs on different interface network (S1AP, M3, S6a…).
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Troubleshooting Expway and Qualcomm Middleware and modem (Qualcomm, Samsung chipset)
Investigation, debugging, troubleshooting E2E for LTE, IMS eMBMS.
Investigation, collecting logs, opening CR and tracking of issues faced during IOT sessions.
March 2015 – September 2015
October – Today
System: Solaris.
Technologies: LTE, IMS, eMBMS,
Features: VoLTE, SRVCC, TTI bundling, SPS, MAC DRX, OOT, Carrier Aggregation.
Network Tools: Sherpa, Wireshark, EasyAnalyser, SAM.
Mobiles Tools: QXDM, Qcat
Protocols and interface: Nbi, SG-mb, Si, SGi-mb, Sm, M1, S1AP, GTP, GTPV2, X2AP, Diameter, SIP, RTP, Gn, Gx.
Equipment: management, configuration and maintenance of LTE/eMBMS network elements including eNodeB, MME, SGW,
PGW, MBMS-GW, ADF, MDF (OAM, BE, Farm, Flute).
Standards: reading and interpretation of 3GPP.
Integration and validation engineer LTE, IMS and eMBMS
v Alcatel-Lucent Villarceaux-France
Tasks:
· Testing and validation network LTE, IMS, & eMBMS.
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·
Testing and validation mobile in LTE, IMS & eMBMS
· Monitoring and validation the new features and versions of equipment interact with IOT (CSFB, VoLTE, SRVCC,
OTDOA, SUPL, Load Balancing, Carrier Aggregation, Tri Carrier Aggregation ...)
Investigation, debugging, troubleshooting E2E LTE, IMS and eMBMS.
Troubleshooting in IMS network (P-CSCF, I-CSCF, S-CSCF, HSS)
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· Deep knowledge on 3GPP Standard.
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LTE logs analysis and issue troubleshooting
· Analysis and debugging of UE logs Qualcomm and Intel (MAC, RLC, RRC and NAS layer)
· Preparation of plans and test procedures for product validation.
· Preparation, planning and management of IOT sessions with Customers.
· Maintenance, supervision, preparation and updating of the platform and tools EUTRAN traces and exploitation.
· Technical support for customers in remote.
· Analyze logs on different interface network (S1AP, M1, M3, S6…).
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Investigation, collecting logs, opening CR and tracking of issues faced during IOT sessions.
System: Debian.
Technologies: LTE, IMS, eMBMS, Carrier Aggregation, VoLTE, SRVCC.
Features: VoLTE, SRVCC, OOT, Load Balancing, Carrier Agreggation, Tri-Carrier, OTDOA, SUPL …
Network Tools: Tektronix K18, Sherpa, Wireshark, EasyAnalyser, SAM.
Mobiles Tools : QXDM, Qcat
Simulation Tools: CMW500
Supervision and configuration Tools: OMC 3G, WIPS, NEM.
Protocols and interface: S1AP, GTP, GTPV2, X2AP, Diameter, SIP, RTP, Gn, Gx, MAC layer, RRC layer, RLC layer.
Equipment: eNodeB, MME, SGSN, SGW, PGW, PCRF, RNC, LMG, MBMS-GW, BMSC.
Standards: reading and interpretation of 3GPP, IR92, IR94
Project Leader WiFi and BIEW / IEW
Tasks:
Feb. 2012 – Jun. 2013
v Orange France Telecoms, DES
· Responsible for kit/software and 3G/LTE devices validation (Chipset, Embedded module, Dongle).
· Coordination of weekly/monthly meeting between the different teams: Orange-marketing, R&D, project manager
and constructors.
· Protocol, performance LTE test-UE and analysis (OSS Alcatel)
· Study of new technologies (new OS, RSC-E, ...)
· Protocol analysis: RTP, RTCP, RTSP, SDP.
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· Creation and update of new test plans in Quality Center.
· Support service level 3: VOD, Streaming, FTP, HTTP, KIT BEW / IEW.
Investigation on the Wi-Fi problems.
Technical environment: Microsoft OS, Mac OS, Linux (Ubuntu).
Domains: network 2G/3G+, LTE, 3G Devices (Huawei, Option, Qualcomm, ZTE)
Devices: Dongle (Huawei, Alcatel, ZTE), Embedded (ERICSSON, QUALCOMM, ICERA)
Tools: Wireshark, Mercury Quality Center.
Expert validation KIT, Chipset & Laptop
v Orange France Telecoms, DES
Tasks:
Oct. 2010 – Jan. 2012
· Validation of « Business Everywhere » applications on 3G devices and 3G embedded laptop. Compatibility with
all OS: MAC, Linux, Microsoft.
· Validation of all devices (Huawei, LG, ZTE) on infrastructure: Huawei, Alcatel and Ericsson.
· Support service level 3: VOD, Streaming, FTP, HTTP, KIT BEW / IEW.
· Create and update test plans in Quality Center.
Technical environment: Microsoft OS, Mac OS, Linux (Ubuntu)
Domains: network 2G/3G+, 3G Devices (Huawei, Option, Qualcomm, ZTE)
Tools: Spytrace, QXDM, 3GPP Specification, Mercury Quality Center, QXDM, Wireshark.
Oct. 2013 – Feb. 2015
Engineer Protocol Validation
Jul. 2010 – Sep. 2010
v Orange France Telecoms, Cévennes
Tasks:
· Protocol and performance tests 2G/3G+ on UTRAN ( OSS : Alcatel, Nokia and Huawei)
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· Writing bug reports, bug tracking and validation patches.
Identifying protocol and performance problems.
Domains: network 2G/3G+, 3G Devices (Huawei, Samsung, Nokia, etc.)
Tools: K15, QXDM, Spytrace, AT commands, 3GPP Specification, Mercury Quality Center, OSS Alcatel/ Nokia/ Huawei
Leader Field Tests
v ST Ericsson
Tasks:
· Analysis and exploitation of traces Layer 3: RR and NAS.
· Project management: recruitment, development teams, cost, customer relationship.
· Coordination of weekly meeting with the customer’s project manager: planning, editors of specifications, plan tests.
Domains: network 2G/3G
Tools: Spytrace.
Engineering and Quality Audit Network
Tasks:
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· Preparation and management of QoS Campaign Applicative FTP / HTTP, Voice / VISIO.
v Orange France Telecom, Orange Village
Follow-up audits QoS : static analysis of the results, writing tickets
Domains: network 3G
Mobile development application with .NET / java
v Directique
Mobile development application to collect and process data automatically QoS for smartphone HTC 600 with .NET
Tasks:
· Study the specifications.
· Collecting data on the use of different services on the smartphone HTC 600 (SMS, MMS, Calls, Camera, ...)
Tools: .NET & JAVA, SqlServer.
MISCELLANEOUS
Sport: Soccer, swimming, fitness and tennis.
Other: driver license
REFERENCES
References available upon request
Apr 2008 – Sep. 2008
Jan. 2009 – Aug. 2010
Sep. 2009 – Jun. 2010