Engineer Engineering

Syed Shafiullah Hussaini

********@****.***

Contact No. : 312-***-****

Summary

•Extensive knowledge of RF Engineering, Antenna Theory, Embedded Controls

•Around 5 years of experience in RF Engineering Field including Migration, Design, Deployment, Testing and Optimization of LTE networks

•Excellent understanding of CDMA,EVDO, UMTS, LTE, VOLTE and LTE ADVANCED network architecture

•Expertise with LTE Layer 1, 2 and 3 Messages and protocol stack

•Experience with Embedded Control programming with C and C++

•Hands on Experience on Omni-Directional, Sector Phased Multiband Antennas

•Working Knowledge of MIMO, Spatial Diversity, Beamforming

•Extensive Knowledge of PSS, SSS testing and IRAT Testing

•Worked extensively on Sprint’s UCONNECT program, Automobile Cellular Antennas and Telematics /Connected Vehicle Concept

•Drive Tested Chrysler Vehicles to test its Telematics functionality of Cellular Antenna reception

•Experience in creating Test scripts based upon requirements of data collection

•Extracting problematic areas in cellular networks and providing absolute trouble-shooting steps to resolve the issues

•Strong statistical analyzing skills and KPI enhancing driven attitude to improve market performance

•Expertise in Excel V-lookups, Visio and Power-points

•Possess strong commitment towards team dynamics by performing and helping others to achieve desired targets

Technical Skills:

Hardware

Cellular Antennas : Omni Directional, Sector Phased, Multiband MIMO Antennas, Glass Mound and Magnetic Mount, Yagi Antenna, Spectrum Analyser, Sweep Generators, PLC’s (Allen Bradley)

Programming Skills & Operating Systems

C and C++, Embedded C, Socket Programming (UDP, TCP/IP) Shell, Windows, Android, IOS

Automotive

CAN, LIN, Diagnostics Tools

Applications

Map Info, Mentum Planet, X-CAL, XCAP, LTE-SMR, MS-Office and Adobe, Windcatcher, XCAP

Modeling and Simulation

MATLAB, SIMULINK, LABVIEW, PSPICE

Achievements in Sprint Multiband Project as RF Engineer II (October- 2014 – Jan 2016)

Successfully Retuned EARFCN for 2500 LTE spectrum in EMI market to reduce the impact of Cross-Border Canadian Interference and thereby reducing the UL interference

Designed and Implemented Idle/Connected mode parameters to load balance the traffic between 1900 and 2500 LTE spectrum

Used Planet’s Automated Cell Planning tool to retune and optimize the poor coverage areas

Audited the LTE parameters at the Market level to bring the parameters under compliance range of 99.9%

Conducted LTE trials with parameters related to

1)RRC Timers 2) SRB Timers 3) Poll Retransmit Timers 4) UL MAX_HARQ TX 5) IRAT handoffs 6)LTE Power Boosting

Activated Carrier Aggregation on LTE 2500 with necessary parameter changes and implementation of scripts

Performed LTE parameter trials at market Level to come up with standard design values which are optimal for the network

Analyzed and Solved ERAB Fails utilizing ERAB counters at the market level

Performed Counter level Optimization for LTE high CFR and CDR

Performed bandwidth conversion from 5 MHZ to 10 MHZ on 1900 LTE spectrum to improve coverage and throughput

Helped Sprint achieve 2nd Spot for the Root-Metrics drive in Flint, MI

UCONNECT : Worked on Sprint’s U-connect service by testing Automobile antennas like glass door, magnetic mount and studied the impact of the antennas at various locations of the car

Analyzed Antenna receptors reading using CAN and LIN protocols

Performed Interference Testing using Yagi Antenna to isolate the external interferer

Optimized SON-ANR issues at the Market Level by fixing X2 links and reducing S1-Hand-overs

Optimized DAS sites with proper power/ parameter changes

Designed and Implemented the A4-Event send-back feature to push more traffic on higher priority 2500 LTE band

Supported the launch of 1900 2nd carrier for EMI market by implementing necessary On-Air Scripts

Professional Experience

RF Engineer II

Teleworld Solutions (October 2014 – Jan 2016)

Samsung /Sprint

Livonia, MI

Responsibilities:

Monitoring daily Market Level stats for major 3G and LTE KPIS and troubleshooting for any degradation

Extracting daily reports at market for 3G, 4G stats and providing solutions to the worst performing cells including PICO Cells

Updating neighbor lists for CDMA Voice and EVDO network to reduce drop calls

Performing an audit of Golden Parameters for the CDMA and make necessary changes to improve KPIs

Working on Various models based on beamwidth and analyze best suited models for different locations / environments

Analyzing and resolving U-Connect issues with third parties

Used Embedded domain and C++ programming in making remote hardware changes to Antennas and Radio Heads

Worked on CAN/ LIN protocols to diagnose and analyze Embedded Antenna functionalities

Enhance customer’s experience by improving 3G/4G CFR, CDR and Throughput

Performing audits of LTE ANR and fix X2 links to facilitate better LTE hand-offs

Conducting rigorous Cluster drives for LTE bands 1900/2500 MHz

Post processing the drive data and implement necessary Tilt changes, Parameter changes on LTE network to balance Data traffic between LTE 1900 and 2500 bands

Removing Coverage holes, PCI pollution/Collision and PN pollution by analyzing the drive- test data

Monitoring the sites with Alarms and sleeping cells and create trouble tickets for hardware team to verify hardware performance of the Cell sites

Optimize LTE Hand-over events A3 and A5 to load balance data traffic on dual LTE bands

Performing site resets on troubled sites during the maintenance window to resolve Alarms

Supporting the launch of new sites on 2500 LTE band and bring it on-air for commercial use

Conducting parameter trials on LTE network and analyzing its impact on over-all market

Creating and running batch scripts on LTE switch and CDMA switch to make bulk changes at Cluster/Market level

Monitoring eCSFB and eHRPD hand-over stats to make sure optimal performance and interoperability between 3G and 4G LTE networks

Working on customer complaint tickets related to low throughputs, voice call drops and identify problematic areas and providing apt solutions to enhance customer experience

Using Design Tool like Planet to provide an coverage estimation of the network

Tools: Samsung Mobile Meridian, Spotfire, BSM, LSM-R, Mentum Planet, XCAP, Windcatcher, Spectrum Analyzer, QXDM, Google Earth and Map Info

RF Engineer

Teleworld Solutions (July2013 – October 2014)

Samsung/Sprint

Columbus, Ohio

Responsibilities:

CDMA/EVDO

•Supported the Migration of network from Nortel to Samsung with deployment of new Antennas, performing No-Harm Analysis and brought the sites On-Air.

•Post processed the drive data using XCAP to analyze site/sector/carrier/Band level coverage

•Gained Hands on experience on Mobile Meridian to check the performance of newly migrated sites on Mobile Meridian (STA-tool) and verify if the KPIs are meeting the SLAs

•Monitored and analyzed statistical and drive test data to improve system performance indicators such as dropped calls, blocked calls, orientation failures and hand-off features.

•Performing a root-cause analysis for troubleshooting On-Air sites with failing KPIs and recommend necessary changes

•Post processing 3G cluster drives for CDMA (1900 & 800) bands and EVDO 1900 band and verify call drops, access failures, hand-over failures

•Fixed Neighbor Lists/E-tilts, VSWR Alarms, RSSI Issues using BSM

4G LTE

•Verifying collected data using XCAP for 4G stationary drive on LTE FDD bands 1900 MHz, 800 MHz and TDD band 2500 MHz and make submission to Sprint for bringing the newly launched sites on-air

•Checking various parameters like Physical throughput, Ping and Intra-LTE hand-offs

•Post processing 4G cluster drives and verifying if the drive data meets clients requirement in terms of network’s integrity, mobility and accessibility

•Verifying cluster KPIs like Intra-Hand-overs, Connection Setup, Connection drop rate and Throughput speeds using XCAP

Tools and Software: XCAP, XCAL, BSM, LSM, Map Info, Mentum Planet and MS streets and Trips.

RF Drive Test Engineer

Pramira LLC (Jan 2013-July 2013)

Nokia Siemens Networks

Chicago, IL

Responsibilities:

Working closely with the RF engineer in distribution of work among the drive test teams

Preparing cluster routes based on the newly integrated LTE sites using MAP info professional

Troubleshooting and providing support to the drive test teams for their hardware kit related issues and performing drive tests in the field using TEMS 14.6.2 to check the parameters for their 4G/LTE, 3G-WCDMA and 2G-GSM networks.

Coordinating with the SWITCH support to make sure the integrated sites go on- air successfully.

Testing the newly launched LTE e-Nodebs and making sure CS (circuit switched) fall back is achieved.

Do analysis on the integration of the sites with the 4G technology by performing the Cluster drives and analyzing those results.

Co-ordinate with the optimization engineer to provide him insight of frequency handover while testing.

Prepared and presented data to the client for optimization changes.

Obtained excellent understanding of EUTRAN and SAE network architecture.

Technically, perform Single Site Verifications on the pre-launch LTE sites, by verifying its KPI's like RSRP, CINR, RSRQ then going with four or three different throughput tests on each sector (UDP DL/UL & TCP DL/UL), followed by Intra-handover between the sectors.

Helping RF engineer in creating cluster routes for drive test using Map Info professional.

Tools and Software: Tems 11.x, 12.x, 14.x, Map Info Professional 11.5.3, Taqi, Samsung Galaxy S3 and Ascom Scanner kit.

Mobile Comm Professional Services (June 2010- August 2011)

Nokia Siemens Networks

RF Drive Test Engineer

Market: Birmingham and Chicago.

Duties:

•Performed drive test using TEMS 10.0.3 and 11.0.5 including Throughput Testing, 911 testing, RNC software update testing for T-Mobile in their Chicago and Birmingham markets.

•Monitored and maintained all test equipment and tools.

•Attained better insight on the Long and Short Voice quality check.

•Prepared reports that were based on drive test data.

•Analyzed log files using Actix One for Birmingham, AL market of T-Mobile working on problematic sites and recommended changes in RF including tilt and addition of Neighbors.

•Performed RET audit using WBTS site manager.

EDUCATION:

Master of Science in Electrical and Computer Engineering G.P.A (3.5/4.0)

Purdue University Calumet, Hammond, Indiana (Dec -2012)

Bachelors of Engineering in Electrical and Electronics Engineering G.P.A (3.4/4.0) Osmania University, Hyderabad, India (May-2007)

Technical Course Work:

Digital Communications, Client Server Programming, Robotic System Design, Linux Embedded Design, Visual C++, Power Systems, Solar Energy Systems, Real Time Distributed Systems

References: Available on request

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