WAJIH UR REHMAN

Ellicott City, MD *****

443-***-****

ad0vqq@r.postjobfree.com

WORK EXPERIENCE

RF Design Engineer

June 2021 – September 2023

AgreeYa Solutions – Columbus, Ohio

Client: Verizon Wireless

Design engineer for Verizon Wireless Ohio, Pennsylvania and West Virginia region.

Created RF design documentation for new sites, modification, relocation, and small cell sites ensuring NPP and FUZE initiatives included.

Determined modifications based on capacity and traffic measurements and designed the best possible solution in Atoll.

Evaluated site solutions design predictions to satisfy all geographical and spectrum licensing conditions. Applied appropriate mitigation technique to make it within boundary.

Cross verified Atoll solution between initiatives and RFDS & BOM to maintain integrity.

Ensured LTE & 5G site design is exposure compliant (RFE/MPE) and within permissible population limits using Roofmaster. Engaged Google Earth for detailed area study and running Vertical plots for further study and to determine mitigation requirements.

Determined C-band sites feasibility near satellite earth stations by running point analysis on Atoll. Determined power parameters if mitigation required or proposing filter installation to the owner.

Reviewing Construction Drawing and completing E911 task.

Determined and used alternate antenna and tilt combinations for spectrum license border sites and bringing technology coverage within spectrum boundary.

Evaluated site candidates on Google Earth and Atoll based on population, minimum obstruction and geographical limitations

Applied aggressive mitigation techniques on sites near Canadian border. Also communicated peers across the border about upcoming new deployments.

Ensured to accurately complete site design and regulatory tasks that are due construction in next few months.

Ensure assigned tasks were completed in due timeline.

Coordinated with other engineering departments.

Gained recognition for detailed design, EME analysis work and staying ahead of construction milestones.

RF Design Engineer

March 2021 – May 2021

GTA – Columbus, Ohio

Client: Dish Wireless

Designed standalone green field 5G network on mid band and low band for Dish Wireless Ohio, West Pennsylvania and West Virginia region.

Evaluated site candidates and nominal site planning based of traffic maps GIS analysis in Google Earth on Planet.

Ensured propagation model, transmit power and physical parameters are correct.

Ran Ohio and West Virginia cities prediction and statistic after redesign and met the targeted pops coverage.

Analysed predictions with different antennas in the inventory and compared results.

Made sure the sites near Canada border have all sector pointing away from the border to prevent licensing requirements.

Negotiated financial aspects while accepting candidates. Cost justification on high priority and costly sites.

Created RFDS and reviewed Construction Drawing for planned sites.

Coordinated with other engineering departments.

Reviewed and corrected propagation model in coordination with National RF.

Received recognition for work done on RF design in the region.

RF Design Engineer

January 2020 – July 2020

Telnet Inc – Hanover, MD

Client: AT&T

Vendor: Nokia

Design engineer for AT&T Baltimore and Washington DC region.

Designed small cells with 1900, 2100, 5200 and 700 along with 5G mmW 39GHz band.

Conducted GIS analysis using Mapinfo and Google Earth to release search ring based on traffic maps.

Evaluated RSRP and SINR prediction on Atoll for the small cell candidates. Negotiating site technology capabilities according to the small cell design.

Presented micro, pico and mmW predictions and simulations for the candidate small cells to AT&T managers.

Considered financial aspect while accepting candidates and conducted cost justification on costly sites.

Saved 30% cost with BBU reshuffling study with the intention to maintain standard site configuration in BBU across the market, reserving additional BBUs for 5G mmW deployment.

Created RFDS on Autoforms and improving documentation process to reduce modifications and revisits.

Compared omni and directional antenna predictions and determining best possible solution.

Coordinated with other engineering departments.

RF Design Engineer

June 2017 – December 2019

NextGen Global Resourcing – Burlington, MA

Client: Sprint

Vendor: Samsung & Nokia

Design engineer for Sprint New England & Upstate East region markets.

Ran analysis and evaluated 800, 1900, 2500 & Massive MIMO and 5G to determine cell site location and site configuration.

Used Atoll for prediction of macro upgrades, small cells, new site builds and relocation candidate designs. Comparing pre post RSRP and SINR analysis.

Utilized Google Earth and Atoll/ArcGIS for candidate analysis determining geographical limitations.

Created RFDS for macro upgrades, small cells, new and event sites showing relevance with plumbing diagram.

Coordination with RF Performance regarding site KPIs, drive test and impact on neighbour sites while planning.

Determined search ring locations and preferred candidate sites in the search ring area. Got recognized across the department to target the worst affected areas and coming up with coverage solutions.

Completed site E911 and CIQ task and dealing with changes and error resolution.

Solved problems on issue sites, like selection of shorter tri-band antennas and flag poles designs.

Determined and used alternate frequency channels and sector azimuth combinations for Canadian border sites.

Ensured frequency channels are well isolated at spectrum boundary. Used alternate channels to avoid conflict.

Audited passive components and introduced losses in the transmitter if any left unattended in Atoll.

Utilized Atoll APMA module to correct morphology directly correcting propagation model on existing cell sites. Verifying results by coinciding predictions with drive test.

Used Automatic Cell Planning (ACP) feature to determine possible candidate site location and cross-examine area changes.

Did field visits, site runs and drive test of designated market and analysed logfiles on Mapinfo and Windcatcher.

Reviewed construction drawings and lease exhibits.

Gained recognition for new initiatives and training the RF team about new processes.

Coordinated cross-functionally with other engineering departments.

Engineering Lead

July 2016 – February 2017

Tech Mahindra – Muscat, Oman

Client: Ooredoo Oman

Vendor: Huawei

Lead RF optimization and design project of Ooredoo Oman 3G/4G network.

Daily data analysis of worst cells and troubleshooting.

Created search rings for new site. RF surveys for new sites and relocations. Candidate assessment on planning tool Asset.

Comparing multiple coverage analysis with the drive test results to prepare and submit report.

Site surveys reporting for approvals including optimization bottlenecks. Creating RFDS upon approval.

MML scripting and implementation. Using excel macros to make RF design sheets.

Led a team to commercially on-air 400+ new site and COW sites rollout annually with initial network tuning. Performance reporting to customer.

Monitored RF rollout progress and keeping track of new deployments.

Provided support for technical solutions and suggestions while working with product team and HQ on trial sites.

Determined capacity plan on existing sites and COW for events. Considered previous traffic trends and proposing expansion accordingly.

Acceptance of coverage predictions for new roll out sites post on-air.

Served as front face to operator and ensured that all projects are delivered on-time, within scope and within budget.

Gained recognition for excellent services provided throughout the project tenure on Ooredoo network.

3G/4G Radio Network Optimization and Design Engineer

August 2015 – June 2016

Abu Muataz Fast Track Oman – Muscat, Oman

Client: Ooredoo Oman

Vendor: Huawei

Daily data analysis of worst cells and troubleshooting and performance reporting.

Analysed raw data tables in MS Excel to generate insight on network key indicators.

Handled custom site configuration (Event, USO, IBS and Normal sites) based upon Ooredoo requirement.

RF data creation and performance monitoring. Acceptance report submission after new site roll out.

Parameter alignment, new features/parameters implementation & monitoring.

Analysed drive test results from TEMS, Mapinfo and Google Earth.

RF surveys of candidate sites. Candidate assessment on the basis of customer complaint, coverage holes & call drops in the area.

Site CIQ scripts creation and implementation.

Determined maximum cell counts and eNB ID requirements on inbuilding DAS nodes.

Gained recognition for providing support for event COW sites.

2G/3G Radio Network Optimization Engineer

July 2013 – July 2015

Power Technologies Communication – Muscat, Oman

Client: Ooredoo Oman

Vendor: Huawei

Optimization, Analysis & Troubleshooting of UMTS and GSM worst cells.

KPI monitoring and troubleshooting for new roll outs and network tuning.

Frequency & PCI planning of new cities using GIS tools like Genex Nastar & Mapinfo.

MML Scripting and implementation for new sites and new carrier parameters.

Improved PS KPIs Throughput, coding schemes adjustment, capacity additions and drop rate.

Helped resolve voice distortion issue with the help of HQ & Ericsson support teams. Analysis of RF traces and high RTT and lost packets. Implementing new QOS, matching voice and data priorities at both RF and TX end.

TOOLS

Atoll, Asset & Planet

Windcatcher & Actix Analyzer

MapInfo & Arc GIS

Roofmaster

Alteryx Designer

Google Earth

TEMS Investigation

Microsoft Office

EDUCATION

Bachelors of Science (Telecommunication) – FAST NU

2005 - 2009

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