Engineer Management

SHAHID SHABBIR

Speciality: Diversified Profile 2G/3G/LTE/WiMAX/4G RF & LTE EPC Consultant.

Industry: Telecommunications, Engineering.

Status: H1b Visa

Address: Bellevue, Washington USA.

Driving License: Valid USA driving License

Ethnicity, Nationality: Asian, Pakistani

Contact Number: 425-***-****

Email: *************@*******.***, ******@***.***

Personal Qualities: Meticulous • Proactive • Service Focused • Lateral Thinker • Solutions Oriented

Career Objective

Seeking a career-oriented Technical Managerial position with a reputed organization providing an ambience to nurture professional, personal growth and enable to enhance skills utilizing abilities to the maximum, committed to professionalism; highly organized, work under strict deadline schedules with attention to detail and have excellent analytical, technical and managerial skills on Alcatel-Lucent and Huawei networks with the diversified profile as a Senior 2G/3G/LTE/WiMAX/RF Planning & Optimization Consultant & LTE EPC Network Architect.

Summary

• Radio Frequency/Packet core Engineering, specialized in RF Design/Planning for Mobile WiMAX and LTE EPC.

• Alcatel-Lucent, Huawei vendor / equipment / network experienced.

• Performed in Telecommunication’s different departments like RF planning & Optimisation, Packet Core, BSS, Transmission, Technical sales, PSTN.

• Developed 2.5Ghz / 3.5Ghz models for Wimax sites.

• Model tuning of Wimax CW sites using Forsk Atoll 2.8.1 Wimax Module (CRC Predictions).

• Created and tuned Atoll models to represent coverage of the area.

• Produce Coverage, C/I, Down Link max through put, Up Link Max through put, and Best Server Plots.

• Review and process CW data in order to tune propagation models.

• Assisted RF engineers in Model Tuning.

• Running predictions on Forsk Atoll 2.8.1 for Dhaka and Chittagong cities.

• Managed up to 3 drive test teams on a project in Bangladesh in 2 different cities.

• Have done Site visits and CW candidate selection.

• Assisted DT engineers with tool management, air interface, taking drm files properly. Generated MAPINFO plots drive test.

• Analyzed data for Drop Calls and Access Failures.

• Worked as a team lead for Alcatel / Mobilink project in Faisalabad city of Pakistan.

• Worked as a 2G/3G/Wimax/LTE RF Application Engineer in Abu Dhabi.

• Attended LTE solutions workshop in Huawei.

• Gain LTE Radio Frequency Training and knowledge.

Areas of Technical Expertise & Technical Tools/Softwares

• WiMAX/LTE Network dimensioning.

• WiMAX/LTE RF Planning (Site, Frequency, Preamble).

• RF Interference mitigation techniques.

• RF KPIs (Accessibility, retain ability, load capacity, interference, coverage and coding efficiency) optimization.

• ATOLL 2.8.1 RF planning tool, A9155 RF planning ALU tool.

• XCAL-X, XCAP-X, Genex Probe, Genex Assistant.

• MapInfo, M2000, NPO.

• Spectrum Analyzer Tektronix SA2600, Spectrum Analyzer with VSA (Vector Signal Analyzer) software (Agilent E4445A).

• Zyxel Utility Tool, Ethereal.

• Hammer Call Analyzer, Google Earth, Ms Office.

• JDSU Signalling Analyzer, Network diagnostics & protocol analysis platform.

• Wireshark (Network Protocol Analyzer) Version 1.6.5.

• Good understanding of SS7/SIGTRAN signaling and protocols like ISDN/ISUP, GSM MAP/BSSAP, IP Networking, C7 Signaling, Packet, Core and Radio Networks.

• 3GPP architecture for 2G/3G/LTE Packet Core Networks, UNIX TCP/IP Network Administration, SGSN-MME,GGSN,S/PGW(CPG/MPG),PCRF,Evolved Packet Core (EPC).

• IP network requirement analysis, planning, design and end-to-end implementation. [GPRS/WiMaX/LTE/OSS/NMS]

Key Professional Strengths

• Analysis and Problem Solving Expertly considers issues and undertakes detailed analysis in a logical manner using a variety of tools and cause and effect techniques to isolate the problems and guides specialists through resolution processes.

• Adaptable Flexible in thinking, diagnostics and environments with a capacity to quickly embrace tools and technology as a Radio Network Planning and optimisation Engineer.

• Technical Expertise Education, training and commitment to developing knowledge and regularly building greater understanding of network architecture, call flows, protocols, nodes and configurations ensures a solutions focussed capability with high efficiency.

• Communication Well developed written communication skills that clearly document relevant facts, problem explanation, requirements and an outline of steps to achieve the required outcomes, with the confidence and presentation skills to facilitate staff development sessions on technical subjects.

Team Participation Active contributor in team environments with experience collaborating across diverse functional teams and levels to achieve problem resolution.

Relationship Management Gains trust and respect of management, colleagues and clients through strong personal behaviours and standards, work ethic and professional outlook.

Service Excellence Resolved a significant technical problem affecting a key service offering identifying the cause and implementing a solution that resulted in many positive customer comments.

Professional Work Experience

1st December 2011 to Present

AT&T LABS REDMOND, WASHINGTON USA.

LTE EPC Network Architecture

• Validation of LTE new nodes like ENodeB, MME, HSS, PGW/PCEF, SGW, S4SGSN, PCRF, 3GPP AAA Proxy, IMS etc.

• Good knowledge and understanding of 3GPP standards for EPC core and RAN e.g 23.401 specs 3GPP standard.

• Handling Test Lab Plan of TOL and generating summary and progress based graphs on Quality Center HP.

• Knowledge of LTE Call flows like Attach, Detach, TAU etc and testing of different tests like Circuit Switch Fall Back, IRAT, Session Management, Fault Management, MME Resiliency, MME hardware, Cause Code Forwarding, Intervendor Mobility, Access Restriction, Interface Resiliency & Verification, Alarms, Features, IMS etc.

• Good understanding of different interfaces like LTE-Uu, S1MME, S1-U, S11, S3, S5/S8, S4, S9, S10, SGi, S6a, S6d, Gn, SGs, Sv, Sbc, Slg, Sls, etc.

• Using different UEs like Sierra Wireless, Samsung, HTC, LG phones (LLDM Interface) for call testing.

• Connecting and building up the Lab includes IP connectivity, hardware connectivity, RF connectivity through RF attenuators, RF distributors etc through different EnodeBs.

• Validate RF sanity checks of eNBs and NodeBs if all the RF plumbed correctly with accurate radio parameters in Test Areas.

• Analyzing traces through JDSU client by logging into the server for LTE call flows on MME.

• Coordination with vendor like ALU, CISCO, HP, JDSU related to multiple issues in call flows and leading the team of vendor engineers.

• Good understanding of ALU MME 9471 hardware i.e. OAM, Hub, MIF, MAF Cards. And Software version: LM5.0.1 (RR26.49.09) and eNB software version LA4.0.3.

• Working on ALU latest software release i.e. LM5.0 supporting default and dedicated bearers.

• Good understanding of different protocols like NAS, S1AP, X2AP, MAP, SGsAP, RANAP, DNS, GTPv2, DIAMETER, SCTP, UDP.

• Validate the connectivity of MME with eNBs through SIAD and MSNs.

• Validate the connectivity of MME with CE(Juniper MX960) & PE routers.

• Good Understanding of IP based networks, end to end connectivity with different nodes like Switches, Routers etc.

• Hands-on experience using Alcatel-Lucent 5620 Service Aware Manager (SAM) version 10R1 and MI-GUI to maintain eNBs and MMEs.

• Analyze and troubleshot traces through PCAPs on Wireshark (Network Protocol Analyzer) by filtering different protocols.

• Coordination with different AT&T internal departments like Labops, RT services, Lab support ticketing system to handle the work flow in timely manner.

• Good troubleshooting skills in LTE E2E network.

• Maintaining several spreadsheets like LAB devices tracker, MME pending test cases, Lab Ticket Progress.

• LTE RAN Radio Principles, Parameters, Algorithms and QoS monitoring description.

• eUTRAN Parameter Description, Radio Resources Management, Session Management, Mobility Management.

• Hands-on experience on cli commands to manage the interfaces by Putty.

March 2010 to November 2010

UCE International BANGLADESH.

Senior WiMaX RF Planning & Optimisation Consultant for Augere/Qubee Project

Huawei Technologies Bangladesh

• Radio Network Planning of Dhaka city and Chittagong city using ATOLL 2.8.1.

• In ATOLL 2.8.1, calculation of cell radius and site area as per customer requirements for required coverage and capacity.

• Running Simulations in ATOLL 2.8.1 with Cost123-Hata model for Wimax 802.16e by using Huawei clutter class losses formulae.

• Importing of all the required data in ATOLL 2.8.1 includes Digital Maps, Engineering Parameters, Link Budget values, RF parameters, Antenna File, Clutter losses etc.

• Importing of cluster boundaries, KPI boundaries from MapInfo or Google Earth to ATOLL 2.8.1.

• RF tuning in ATOLL 2.8.1 by changing transmit power, tilt and azimuths and check improvement in the percentage of CINR on histogram.

• Run Predictions on ATOLL 2.8.1 and export it to Google Earth to compare it with drive test results.

• Managing SSV-DT, TSSR and RF reports of Dhaka and Chittagong sites.

• Managing and Post-processing of drive test results using XCAP-X Version 4.104.14 and GENEX Assistant.

• Working on Huawei BTS DBS3900 with version of DBS3900WiMAXV300R002C02SPC220.

• Comparing drive test Pre DT logs with ATOLL Simulations.

• Cluster Optimization by changing Mechanical tilting, Azimuths, Preamble Power to have good radio conditions everywhere in the defined KPI polygons.

• Dhaka and Chittagong Cities Neighbor Audit cluster wise.

• Finalizing KPI polygons, cluster boundaries, drive test routes with customer.

• Recommendations on technical RF issues and Concerned Areas with bad radio conditions.

• Improve the KPI’s defined of 130 on-air sites within the 8 different clusters in Dhaka city on the basis of CINR, RSSI in air interface.

• Monitoring DL and UL throughput in all Modulation and coding schemes like 64QAM, 16QAM and QPSK working fine within the cell.

• Currently working on the launch of FFR implementation in Chittagong city.

• Comparing the optimized PUSC with optimized FFR in Chittagong.

• Maintaining CINR plots pattern with in FFR zones to avoid fluctuations.

• Analyzing the handover success rate, handover failures, handover between PUSC and 1/3 FFR zones, ping-pong handovers etc.

• Monitoring coverage and capacity on MIMO enabled antennas with the configuration of 2T2R and 4T4R.

• Monitoring handover drop counts, network entry failure counts, FTP throughput failure by using XCAP-X and M2000.

• Optimization of concerned areas raised by customer to meet their required KPIs.

• Managing local teams to complete the Cluster’s Drive Test within time frame by using XCAL-X and GENEX Probe and assign daily activities to them.

• Analyzing DT results in Google-Map on the basis of obstacles creating vertical blockings and causing bad RSSI.

• Providing RF Training Sessions and Proper Guidelines to the local RF resources on 4G/Wimax RF Architecture, Frame Structure, RF Parameters, Technical Tools etc.

• LTE solutions workshop in Huawei.

LTE RF Training / Knowledge :

• LTE Parameters and Downlink Modulation

• OFDMA and Downlink Frame Structure Details

• SC-FDMA and LTE Uplink

• Network and Protocol Architecture

• Channel Mapping and UE Categories

• Initial Cell Search and Cell Selection

• System Information

• Random Access Procedures and EPS Bearer Setup

• Uplink Channels and Signals

• LTE Mobility and MIMO Introduction

• Downlink and Uplink MIMO in LTE

• eNodeB and UE Performance Requirements

• UE Certification and Field Trials

January 2009 to February 2010

TEKSIGNALS ABU DHABI UNITED ARAB EMIRATES.

Radiocommunication RF Application Engineer

• Correspondence with customers for WiMAX/LTE RF products handling.

• Formation of Quotations & deliver technical support.

• Launching new products as per customer’s requirements.

• Developing new business opportunities on technical basis..

• Meetings in Customer’s Premises.

• Demo/Presentations of new 4G RF products to our customers and to the technical department.

• Helping customers with technical information and tools handling.

19th May 2006 to 19th May 2008

ALCATEL-LUCENT PAKISTAN LTD.

WiMAX RF Planning & Optimisation Lead

Responsible in Alcatel-Lucent Pakistan as a WiMaX Radio Network Engineer/Team Leader for Mobilink Project in faisalabad city and also responsible as the first level support for WiMAX deployment department.

• Radio Network Planning using A9155 & Frequency planning of Wimax Network using Re-use 4, 5 in Karachi & Faisalabad.

• Firmware up gradation of PCMCIA and Indoor CPE.

• Benchmarking/Comparison between Alcatel-Lucent and Motorola netwok performance.

• VOIP Testing using Hammer call analyzer (Tool to calculate VOIP quality with MOS factor).

• Monitoring daily KPI’s, Congestion cells, investigate the interference cell and making a Report.

• Parameters Audit.

• Identifying Cross Sectors.

• Troubleshooting of sites for good radio conditions.

• Wimax Sites survey with complete panoramic views & avoid horizontal & vertical blocking.

• Calculation of Knife-edge diffraction losses.

• Drive Test with locked & unlocked neighbouring cells.

• Post processing of drive test results.

• Preparation Of Site Health Reports (SHR).

• Wimax Featured W2_W2MR_W2.1_W2.1_MRproject_V6.2.

• Wimax Network Design Process.

• Adaptive Modulation and Coding (AMC) Principles.

• NPO Network Optimizer.

• Optimization for the new on-air sites via interference study or changing parameters in OMCR.

Field Tests Experience

1. DL Throughput Test.

2. UL Throughput Test.

3. Network Entry Test.

4. Coverage Test.

5. Capacity Test.

6. Sensitivity Test.

7. DL Vs UL simultaneously Test.

8. Ping Test.

9. Speed Test.

Hands-on experience on Technical Tools

1. X-Cal versions 1.41 and 3.1.3.82

2. X-Cap.

3. X-Lite.

4. MapInfo.

5. ZyXel Utility tool.

6. Spectrum Analyzer with VSA (Vector Signal Analyzer) software (Agilent E4445A).

7. CPEs (ZyXel, Motorola, C Dot)

8. A9155 Tool.

ON JOB TRAININGS in WiMAX:

• WiMAX Architecture and Dimensioning

• WiMAX network elements like AAA, BS, CN, DHCP, HA, OMC-R, RAN, WAC & WAN.

• WIMAX Air Interface.

• WiMAX Radio Network Planning

• Planning & Optimization Process

1. Propagation Models in 2.5 GHz & 3.5 GHz

2. WiMAX Traffic Issues

3. WiMAX Interference Issues

4. Link Budget & Parameters

5. WiMAX Planning Methodologies

6. Site Considerations

• WiMAX Roadmap

• WiMAX Propagation Model Calibration

• Adaptive Antenna Systems

• The Benefits of Adaptive Antenna Technologies

• Overview, IEEE/WiMAX Forum

• MIMO: basics, performances and deployments

• Beam forming: basics, performances and deployments

• WiMAX Capacity Calculations.

• WiMAX End to End Architecture.

• WiMAX Radio Algorithm (Parameters)

• Network Entry Procedures

• Network Re-Entry Procedures

• Handovers (Intra WAC & Inter WAC)

• Alarms

• Counters & Indicators

ON LINE TRAININGS in WiMAX:

• Measurement methods with Dynamic Beam Forming for W3MR1ed2B [France]

• WIMAX Quality of Service, Overview [France]

• WIMAX W3 New Features, Overview [Romania]

• VoIP Architecture Overview.

• Counters/Indicators status, NPO Status, View/Reports for QoS follow up [France]

• QoS mechanism in the RAN.

• QoS Algorithms.

• QoS main parameters that affect the optimization of SF.

• Management.

Educational Qualifications

B.E (Electrical / Telecom) Engineer 1st Division 2005

NED University of Engineering & Technology, Karachi, Pakistan.

Professional Skills

• Possess strong communication, interpersonal and technical skills.

• Conversant with MS-Office 2007, MS Projects applications.

• Can fluently speak, read and write English and Urdu & speak little Arabic.

• Result oriented and challenge seeker person with a positive mindset & creativity.

Contact this candidate