SUMMARY

• Consistent, motivated and highly analytical electrical engineer in RF industry having work experience of over 5 years. I have worked on projects independently and in teams facilitating timely delivery of results.

AREAS OF EXPERTISE

• RF LTE Multi - Vendor Optimization (Ericsson, NSN, Confidential )
• Confidential Multiband/Triband tuning and Optimization
• L3 messages analysis
• Network Trials, Audits, Performance and Fault monitoring
• KPI Analysis
• Call flow Diagnostics
• Amos/MOShell scripting
• Proficient with RF engineering and networking basics
• Extensive and diverse technical abilities
• Excellent Project-management, problem-solving and communication skills
• Cross cultural understanding and conflict management
• English, Hindi, Urdu and beginner Arabic and Spanish

TECHNICAL SKILLS

Operating Systems: Windows Vista/XP/2000/Windows 7, 8, 10, Solaris, Linux, UNIX and Mac OS

Applications Software’s: MS Office Suite (Word, Excel, PowerPoint, Notes and Access), Outlook and Active Directory

Languages: C, C++, Matlab

Tools: WindCatcher, Xynergy, Actix Analyzer, SNAP/Tableau, RF Cockpit, NSN Flux, QXDM, QPST, QCAT, QMICM, MapInfo, MS Streets and Trips, XCAL, XCAP, JDSU, TEMS Investigation, Agilent, SecureCRT, PRTS, MOSHELL, ODIN, Wireshark, MultiSIM, MEID writer, Confidential Flash tools, LGNPST, Mobile Analyzer, LabVIEW, iBwave, Mentum Planet, MUSA

OEM Tools: Ericsson OSS, Nokia NetAct, Confidential LSM and WSM, Ericsson ENIQ, Siterra

Wireless Technologies: GSM, GPRS/EDGE, UMTS/WCDMA, HSPA, HSPA+, CDMA2000 (1X/EVDO), IMS and LTE

Protocols and Standards: OSI, TCP/IP, RIPv1, RIPv2, IGRP, EIGRP, OSPF, BGP, PPP, HDLC, MGCP, SIP, VoIP, T1/E1, Frame Relay, X.25, ATM, VLAN, NAT, Spanning Tree

Mobile Telecommunication Protocols and Interfaces: S1-MME, S11, S5/S8, S1-U, S4-SGSN, GN-SGSN, S6i, NAS, RRC, PDCP, RLC, MAC, PHY, GTP-U, GTP-C, SCTP, RNSAP, RANAP, SS7

PROFESSIONAL EXPERIENCE

Confidential

RF Engineer

Responsibilities:

• Optimization of Multiband/Triband network for vendors like NSN, Ericsson and Confidential
• KPI Analysis, daily performance and Fault monitoring for all vendors, Optimization parameters retuning
• LTE statistical performance monitoring and reporting for sites & clusters, including but not limited to LTE Accessibility, Retainability, Mobility and Integrity KPIs
• Top offenders Analysis for CFR and CDR, Neighbor analysis and ANR cleanup of the top offending sites on a daily basis
• Performing Network Audits for their non-compliancy with the GPL, generating and implementing the scripts required to revert the changes to comply with the GPL settings
• Traffic management between FDD & TDD layers by changing idle and connected mode parameters such as threshservinglow, threshxhigh, threshxlow, a5threshold1rsrp, a5threshold2rsrp, qoffsetfreq, A3freqoffset
• Carrier Aggregation for TDD - implementation, testing and optimization
• Setting and tweaking of CA dependency parameters: Scellactivationcycleperiod, scellactivationmethod, scelldeactivationmethod, scelldeactivationtimereNB, carrierfairnessfactor
• Power increase from 37dBm to 40 dBm and adjusting of relevant traffic management parameter (to reduce the ping-pong between FDD and 2.5 Ghz layer) based on coverage prediction tools and DT data
• RACH tuning to improve the CFR by setting initial preamble receive target from -90 to -96, Power ramping step, Min UL TBS, UL eLA PRB factor, Initial MCS UL. CFR was improved from 0.23% to 0.2% (Market level)
• Setting of carrier priorities based on PRB Utilization and high DL IP latency
• Reduction of RRC connection reestablishment time by tweaking timers and RF shaping
• Performing Sweeps, Fiber and Azimuth review for (2.5 LTE) NSN sites, NSN ATP testing/approval using Xynergy, and getting the sites on air using NSN NetAct. Monitoring of the new on air sites using Tableau (LTE no harm report), Updating the Siterra, OAC tracker and sending out the on air notifications to the Global team
• Bi- monthly Analysis of TWS comparative drive data with respect to market competitors and changing necessary logical and physical optimization parameters on Nokia TDD, Confidential TDD and Ericsson FDD to improve ranking. Improving utilization of capacity layer i.e. band 41, reducing accessibility and Retainability failures on LTE
• Preparation for Root metrics comparative drive with respect to market competitors through recommendation on feature trials, cluster optimization, new sites requirements etc.
• Microwave path loss analysis using path loss 5
• Microwave equipment dimensioning
• Cluster Optimization analysis using Nemo WindCatcher and statistics tools, reducing RRC connection drops and failures, Analysing CSFB to 1xRTT and troubleshooting MO and MT CSFB drops. Ensuring dominance of carrier, controlling over-shootings, reducing inter-frequency HO’s to avoid frequent reconfiguration reestablishment drops
• Developing comprehensive analysis reports highlighting the problem areas of the cluster drive
• Providing recommendations based on the problems found and executing the approved recommended changes
• Providing Pre and Post comparison drive test results after the implemented changes
• Supervising/coordinating/troubleshooting drive test teams

Confidential

RF Engineer

Responsibilities:

• Various areas of work include Benchmarking, post-processing, network assessment, technology validation iDAS Designing for small cells, Wi-Fi, and neutral host using iBwave for various venues
• Calculating Link Budget
• Conducting CW testing and Model tuning in iBwave
• New site design using ATOLL
• Candidate analysis using ATOLL
• Performance evaluation of the Confidential Multiband/Triband network
• Post processing and Analyzing of the drive data collected at the sites/clusters
• Analyzing and developing detailed reports after the post processing
• Developing KPI summaries and executive reports which include the Time on Band percentage, Round trip time, Drop rates, connection failure rates, DL UL throughputs, Intra and Inter handovers, latencies etc.
• Analyzing and differentiating between eCSFB and RedirecttoCDMA calls using XCAP and WindCatcher
• Evaluating coverage, QoS for the major network operators
• Analysis of VoLTE drive logs using WindCatcher
• Recommending the possible changes to improve the poor RF conditions

Confidential

Wireless test Engineer

Responsibilities:

• Responsible for developing detailed, complex test plans and over the air automation for wireless devices based on Android (GB, HC, ICS, JB and KK)
• Responsible for creating protocols for the testing of the new products and the OS as per the carrier requirements
• Creating defect reports and capturing appropriate logs (Modem and Chipset logs)
• Carrier networks include MPCS, Confidential, Boost, TMUS, VERIZON Wireless, AT&T etc.
• VoLTE (Voice over LTE) pre-launch testing
• Collaborating with TAM, NVG and R&D when needed to resolve the issues
• Software updates related to Over The Air (OTA testing - FOTA and GOTA)
• 3rd party applications’ compatibility testing with the new products
• Responsible for fulfillment of the Carrier-specific requirements with the device
• Battery performance testing for pre-launch models on live network using CMT Tool, VEE Agilent pro 6.0 tool and Agilent 66321B

Confidential

Mobile Test Engineer

Responsibilities:

• Diagnosed and analyzed the handsets (Qualcomm chipsets and SKT chipsets) based on communication and application protocols
• Performed CSFB testing, IFHO and IRAT testing, Mobile Application Testing, IOT, Regression testing, performance and Sanity testing in mobile handsets in LTE scenario
• Worked on QUALCOMM software (QCAT, QXDM, QPST, QMICM)
• Tested Data throughput using DATUM for the Confidential phones on 2G/3G/LTE networks
• Raised the major/minor defects in the new builds
• Created test reports for IOT and other issues found during testing
• Managed logistics of field testing