Engineer Technical Support

Professional Summary

Wireless and telecom industry consultant with 8 years of technical experience. Experience in Team building, team leading and acting as mentor for new hiring.

Extensive experience in Development, Integration, Deployment, System Performance, Design & Optimization of UMTS, HSDPA, HSUPA, EVDO and LTE wireless networks.

Engaged in and managed various wireless network deployment, technology strategy, and technology development projects.

Technical Skills

Technologies: LTE, UMTS, WCDMA, HSDPA, HSUPA, HSPA, EvDo, QCHAT, GPRS, Wi-Fi (802.11ax),

VoWiFi, SIP, QSP, RIP, VoIP, IMS, SS7, DSL, SON, Microwave, TCP/IP, X2, S1.

Tools: NPO, SAM, WTA, eDAT, QCAT, APEX, Actix-Spotlight, Windcatcher, Planet, iBwave,

Wireshark, MapInfo, Street Atlas, WNG, QXDM, X-Cal, TEMS, Agilent, RAVS, WPS,

PCMD tools, Atoll.

Special tests: IRAT, IFHO, IOT, NRT, FIT, KPI testing, CW Testing, Stationary & Mobility testing,

Lab testing.

Applications: Mat lab, Linux, MS-Office Suite (Word, excel, Power Point), MS-Visio, SQL, Macro,

UNIX, Shell.

Professional Experience

Sr. LTE RF System Performance Consultant October 2012- Present

Alcatel-Lucent, Reston VA

Working with Sprint national RF (customer) for end-to-end wireless performance, Coverage & Capacity management across LTE (Macro/Small cell) & CDMA/EVDO. The role spans RAN & Core performance, optimization & design.

Key Customer interface & active involvement in various technical exchange forums to keep up with the latest of end-to-end architectural evolution & related system/network performance impacts.

Analyze network characteristics including network performance metrics, capital and operational efficiency trends and provide recommendations for resolution, procurement, removals and modifications to network.

Worked on SON & other features: ANR, Auto Pilot Blacklisting, Auto PCI, MRO, Traffic Management & eCSFB.

Worked in NRT/FIT on LTE SON features (including test planning, test strategy and test case generation and validation, KPI and performance analysis) before commercial deployment.

Responsible for end to end testing of VoLTE in NRT & FIT activities.

Good understanding of SIP protocol / IMS based call flow.

Develop standards, guidelines, and best practices to support improved network performance.

Experience in statistical data processing, data mining, forecasting and analytics.

Establish trends and patterns to understand impact of specific KPIs on overall customer/user experience.

Worked on EBC DAS sites to fix the accessibility & throughput issues.

Worked on Small Cell/Macro design to meet the coverage need.

Performed Link Budget analysis.

Produce traffic maps, run predictions and simulations, and calculate design KPIs.

Dimensioning LTE networks in accordance to the coverage, capacity and quality requirements from the customer.

Good working knowledge about IP backhaul elements: ALU 7750 & 7705 routers.

Expertise in drive test data & PM/PCMD data analysis to distinguish the network & UE issues.

Expert in RAN configuration changes, parameter Audit to eNB database using WPS and SAM.

Prepare analysis of short-term and long-term needs to support performance and capacity measurement-related processes.

Capacity Planning & Network performance – Monitored Traffic trends and developed plans to fix sectors experiencing high Avg. users, RF utilization, accessibility and retainability and other network KPIs.

Senior RAN Consultant March 2011-October 2012

QUALCOMM San Diego, CA

Lead a team of 3 engineers for QChat deployment and system upgrades & coordinate with device/RAN vendors for creating and managing project schedules for integration, testing and troubleshooting activities in customer network.

Duties include Handset Provisioning, QChat (VoIP, Push to Talk) system integration, testing, optimization, commercial deployment, technical support, training, technology trials, demos and interface with client to troubleshoot and resolve QChat lab and live network issues.

Develop Test Plan documents (IOT, FOA/FIT and NRT) and executing interoperability, performance, and network readiness tests cases.

Hands on experience in Qualcomm multimode chipset log analysis with real time application on the Air interfaces VoLTE, LTE, eHRPD, EVDO and 1X.

Expert with QXDM data collection tool & in depth analysis of drive test data to investigate latency, performance and call failure, Call drop issues and Analysis of QSP and SIP signaling for QChat Registration and Call procedures.

Hands on experience with test equipment like channel emulator, spectrum analyzer, RF chamber, power meter & signaling generator.

Good understanding of L1, L2 & L3 messages.

RF Engineer May 2010-March 2011

Avion Systems, New Orleans, LA

Worked on Design and Optimization project for UMTS/LTE network.

Predicting search ring and opting candidates’ location to run predictions.

Zoning meeting and documentation to get new site approval.

LTE Design KPI analysis for the best location candidate.

Study the RF design coverage maps and identify problem areas in terms of coverage, interference, or pilot pollution.

Utilize Atoll/Planet for performing various aspects of design including propagation modeling, coverage and cost analysis, frequency planning, creating documents, according to the link budget and design criteria.

Possess complete understanding of the LTE and UMTS call flows and network architecture.

Responsible for RF optimization activities such as in depth analysis of drive test data for any issues like Dropped call, Call setup failure, Handover problem, etc. in UMTS/LTE network, detecting missing neighbors, SC collisions, interference, identifying & eliminating areas with pilot pollution, provide tilt/azimuth change recommendations to improve coverage & eliminate overshooting based on antenna radiation patterns and beam widths.

Post processing- verification, analysis & generation of reports.

Create site modification requirements for system KPI improvements including antenna changes, down-tilts, power changes, azimuth changes, etc.

Strong understanding of wireless parameters: CPICH power, PSC, 2G/3G neighbors, Active Sets and inter-frequency parameters.

Analyze of Layer 3 messages for providing reasons and solutions for drop calls and access failures.

Prepared drive routes for SSV & Cluster optimization activities.

Telecomm Engineer May 2008- April 2010

BSNL/ZTE, India

Involved in installation and maintenance & performance monitoring of BSC and BTS of Nortel, Nokia, Ericsson and ZTE.

Created reports of all cell sites, including alarms, network performance reports.

Responsible for servicing network related customer complaints and closing of trouble tickets.

Cell Site Optimization management- Manage the site optimization and development of optimization summaries for new cell sites and major system modifications.

Optimization, Parameter tuning, Neighbor list tuning & performance monitoring of cell sites on daily basis.

Created RF Performance summary of drops to identify issues and implemented corrections.

Suggested site modifications on existing sites like handovers, power, neighbor cell antenna swaps, down tilts on sectors based on sites performance.

Also worked as a switch engineer for the maintenance of C-DOT DSS switch, IN-SSP, FWT Core-Dect switch, Broadband DSLAM & GSM BTS.

Installation and maintenance of Leased lines to the corporate organizations.

Installation and maintenance of Broadband DSLAMs, RPR switches etc.

Education

Bachelors of Technology (Electronics & Telecommunication Engineering)

Punjab Technical University

Contact this candidate