Rf Engineer Design Project

Martin Reyes - RF Engineer.

E-mail: **************@*****.***.** Mobile: 562-***-**** Skype: martinrebell

Address: **** ***** ***. *** ** Long Beach, CA 9060

Skill Summary:

RF Design, Network Planning and Optimization Experience of Mobile Network Operator

Basic knowledge of In-Building Radio Planning & LTE Radio Network also familiar with In-Building and LTE Design Optimization Process.

Knowledge of Neighbor relations (intra, inter and IRAT), IFHO, designing polygon.

Certified iBWave

RF Engineer with experience in Design and Optimization of CDMA, 3G UMTS, and 1xRTT, 4G LTE and 5G Network.

Planning Small Cells and macro sites for capacity and coverage.

Expert up design project/database with Atoll, Planet and Asset planning tool on PC platforms.

Experience in Tuning or verify the Propagation Models based on continuous wave (CW) drive tests.

Experience in Updating Sort and Asset for Lemming for E911 for Modernization L-AWS, L-PCS, L-G for Small Cells project.

Experience programming scientific applications in Python, or oth er similar program languages

Experience in writing and debugging command line interface scripts Python

Experience in RF filed performing Benchmarking,Optimization,Design,Planning,Scoping and Drive testing.

Education:

National Polytechnic Institute in Mexico

Bachelor’s degree in Communications and Electronics Engineering

Skills Training/Certifications

LTE/SAE– System Overview.

LTE/SAE in a Nutshell.

WCDMA RAN W11 Initial Tuning.

WCDMA RAN W10 Performance Management and Optimization.

CDMA Overview.

LTE System Techniques.

LTE Platform training (Forsk ATOLL) Chicago, U.S.A

Voice Network Performance Assessment Training (QUALCOMM).

Data Network Performance Assessment Training (QUALCOMM).

CDMA training (Nortel).

Equipment configuration Allgon (Allgon Telecom).

IBwave Level II

Soft Skills Training/Certifications

ATOLL, PLANET, ASSET IBwave, TEMS investigation and TEMS discovery, ANDREW INVEX, JDSU, QXDM, ACTIX, QxDM, QCAT, ACP, ARIESO, XCAL TEMS INVESTIGATION, Metrix Wirelles, NEMO, MOSHELL, ITK, BO, ESPA, VISIO, RFDS Cockpit, Glance, Snap, SAM, OMP, NPO,OSS, Wind Catcher, Tableau, Mapinfo, Falcon, RFDS, Siterra, RIOT, PIER, ELEMENT, Construction View, OneData,and Lemming,

Test Equipment: Spectrum Analyzer, Wattmeter, Signal Generators, Network Analyzer, OTDR and Site Master (Anritzu).

OEM: Nortel, Ericsson, Nokia, ALU, Samsung, Commscope, Solid, Cobham, Comba, Powerwave. Delta Node, and Allgon.

Areas of Expertise:

RF Greenfield design Propagation, Traffic, Link Budget Analysis, Capacity Analysis, Frequency Planning, and PN Offset Planning and PCI Planning.

Planned Small Cells and macro sites for capacity and coverage.

Building up design project/database with Atoll, Planet and Asset planning tool on PC platforms.

Tuning or verify the Propagation Models based on continuous wave (CW) drive tests.

Producing traffic maps, Monte-Carlo simulations analysis.

Created RFDS, Plumbing Diagrams Anchor and Anchor Skinny (VISIO diagram), defining Antenna installation and recommending equipment for existing and proposed sites as per requirement in Auto forms Plumming.

Optimization of existing & new network which includes KPI analysis such as Call drop, pilot pollution (Inbound-Outbound), FER & Ec/No, handover & handoff problems server inconsistencies problem, power control, using drive logs, Thematic map and Google Earth.

Understanding of 3GPP specs for 3G/4G/5G technologies

Link Budget calculation.

RF Coverage maps Metro/TMO 600MHz,700MHz and 2100MHz

Verified GMLC data for E911 in Lemming.

Approved and updated drawing CD’s and COP’s file to customer request for Small Cells changes

Final Commissioning for vendors, Power Wave, Commscope, Deltanode, Comba and Cobham.

Professional Experience

Lattice Sep 2023 – Currently

Job Title: RF Engineer RND

Contractor Assignment: Cobham Wireless

RF predesign for government project

Designs the antenna system layout. Determines how many (Omni/panel) antennas are needed to provide optimum coverage for the particular indoor site, Traffic capacity and CW model tuning

Worked with data collecting and analyzing.

In Building Solution Design (DAS)

Netscout CA-USA Apr 2022 – Feb 2023

Job Title: RF Engineer

Carriers: Verizon-T-Mobile-AT&T

Propagation model tuning using TPDB, ThruePath provide technical report about K1 and K2’s (TPDB) .

CW for model tuning to locate target position for RF design.

Working with different Technology in bandwidth (AWS, CELL and C-Band) for Verizon, T-Mobile and AT&T Carriers

Scanners drive to verify interference carrier for 5G.

Further Enterprise Solutions PA-USA Jan 2022 – Apr 2022

Job Title: RF Engineer

Contractor Assignment: United Wireless and Connectivity Wireless

Network testing on CDMA, LTE and VoLTE and 5G Technology by using Link Master LML

DAS RF Indoor Design Provide technical report about coverage evaluation, created and showing KPI's coverage maps.

Large Venue Medical Center using iBwave Design and BOM, new Build

Measure coverage, capacity and QoS of United Wireless

United’s network VoLTE testing.

Driven root metrics setup drives, Polygons drives, collecting modem logs from Samsung devices.

RF Parameters EARFCN, PCI, SINR, RSRP, PN, Ec/Io Best Server.

Identification of issues such as Low Throughput values (DL/UL), Dropped connection, Dropped Call, Blocked Call and HO failures, and carrier aggregation.

Netscout May 2021 – Dec 2021

Job Title: RF Engineer CA-USA

Contractor Assignment: AT&T- Different Markets

Propagation model tuning using TPDB, ThruePath provide technical report about K1 and K2’s evaluation and calibrated SPM with Atoll tool.

Doing drive test for data collection, using Agilent equipment E7473A, E7474A, E7475A, E7476A, E7477A.

Working with different Technology in bandwidth (AWS, CELL and C-Band) for AT&T Carriers

Project Technical leader for CW model tuning.

Fusion Solutions CA-USA Jan 2021 – Mar 2021

Job Title: RF Engineer and Field Test Engineer

Contractor Assignment: Ericsson

Installation and Integration for project L600 and Anchor 5G, supporting T-Mobile

Utilize EESI box to load BB6630 and BB6648, performed installation and integration BB6630, BB6648, IXRE. Installation PSU 4813 for Air RRU 6449 and DC power upgrade for cabinets (PDU, SPD, DCDU, Circuit Breaker, and Voltage booster)

Installation, integration, testing, troubleshooting, network data provisioning scripting for capacity expansion services (L600, L1900, L2100, NR600, N25, and N41) and troubleshooting on Ericsson LTE RAN, Ericsson UMTS, Ericsson GSM, Ericsson Anchor, Ericsson small cell products with associated OSS interfaces

Responsible to troubleshoot; maintenance & installation of LTE700, LTE1900, AWS technologies and sector 5G (NR600/NR700), 4G (L600/L700).

Coprotel CDMX Apr 2020 – Aug 2020

Job Title: RF Engineer RND

Contractor Assignment: Ericsson and Telcel

DAS RF Indoor Design Provide technical report about coverage evaluation, created and showing KPI's coverage maps.

Pre and post design, site walks, and surveys at enterprise locations.

Cluster Optimization Submit recommendations to improve cluster performance for UMTS, LTE and VoLTE for different markets.

Retainability KPIs: PING, MO CSFB, MT CSFB, MOS session VoLTE AQM MOS, MT session VoLTE AQM MOS, FTP UL connection, FTP DL, Call Drop, PS Call Drop, SHO Monitoring and Troubleshooting. Ec/Io analysis, pilot pollution reduction using TEMS Investigation and TEMS discovery.

Further Enterprise Solutions PA-USA Feb 2019 – Sep 2019

Job Title: RF Engineer RND

Contractor Assignment: T-Mobile PA, L.A and Chicago

Large Venue Medical Center using iBwave Design and BOM, new Build

Gathering and generating As-Built/Close out packages for completed job

Site Walk for Lovell VAMC North Chicago, Greenville and Salisbury l

LTE Design support for Simi Valley, LA, Inland Empire Markets in T-Mobile using ASSET planning tool as main analysis platform. Doing “Justification Package” reports. Successful Remote Delivery of sites. Achieving customer requirements on KPIs such as RSRP, RSRQ, SINR, DL Throughput and dominant servers.

Generated focus zones, Traffic Maps, verified RFDS submitted by the market and with the existing ASSET database.

Propagation map and the FCC Compliance Statement

Created the FRFA JP for new Sites

RF Coverage maps Metro/TMO 600MHz,700MHz and 2100MHz

RFDS Creation different templates Anchor and Anchor Skinny.

Updated Sort and Asset for Lemming for E911 for Modernization L-AWS, L-PCS, L-G for Small Cells project.

Completed E911 phase 2 & 3 document for small cells project.

Verified GMLC data for E911 in Lemming.

Approved and updated drawing CD’s and COP’s file to customer request for Small Cells changes RF National.

Utilize Microsoft Visio analysis software to predict EMF levels of existing & proposed sites

Lattice Mexico, city Feb 2016 - Nov 2018

Job Title: RF Engineer RND

Contractor Assignment: Cobham Wireless

Stadium Commscope ION-B, iBwave Design and BOM, new Build Arena SOLiD, As-built DAS optimization, new node add

Submit recommendations to improve performance, Post-processing data using WindCatcher..

Checking existing coverage using NEMO

Preparing RF design/technical proposal for In-building Solutions.

Preparing RF BOQ for the site designed.

Calculating the Link Budget/EIRP table and designing of the schematic diagram for IBS and deciding the cable routing

Analyzing the post installation coverage, spillage, and Handover tests using WindCatcher

Optimization of the design, by implementing necessary changes in design to meet the KPIs.

Neighbor list optimization. Including addition and re-prioritization.

CDMA, EvDO and LTE Network, File to load all RF parameters on the system.

Optimization of existing & new network which includes KPI analysis such as Call drop, pilot pollution (Inbound-Outbound), FER & Ec/No, handover & handoff problems server inconsistencies problem, power control, using drive logs, Thematic map and Google Earth.

Accessibility KPIs: Ec/Io, Tx Power, RSSI, FER, RRC Connection Success Rate, RAB Assignment, RSRP, RSRQ, SINR, DL Throughput.

Global Technologies Associates CA-USA Oct 2014- Dec 2015

Job Title: RF Optimization

Contractor Assignment: Sprint-Irvine, CA

Provide technical report about KPI’s evaluation, created and showing coverage maps to the board of directors and senior management thematic map creation using MapInfo.

Retainability KPIs: Call Drop, PS Call Drop, SHO Monitoring and Troubleshooting. Ec/Io analysis, pilot pollution reduction.

Performance statistics to get the top offenders for KPI's using Tableau

Tilts calculation for site parameters using Tableau.

Neighbor list optimization. Including addition and re-prioritization.

CDMA, EvDO and LTE Network, File to load all RF parameters on the system.

Optimization of existing & new network which includes KPI analysis such as Call drop, pilot pollution (Inbound-Outbound), FER & Ec/No, handover & handoff problems server inconsistencies problem, power control, using drive logs, Thematic map and Google Earth.

Accessibility KPIs: Ec/Io, Tx Power, RSSI, FER, RRC Connection Success Rate, RAB Assignment, RSRP, RSRQ, SINR, DL Throughput.

Retainability KPIs: Call Drop, PS Call Drop, SHO Monitoring and Troubleshooting. Ec/Io analysis, pilot pollution reduction.

Optimization, missing neighbor’s detection, call initialization failure reduction, parameters modification.

Low Traffic Due to Excessive Tilts on source cell and high traffic on the neighboring sites. (Use Tilt Optimization)

Load Imbalance on different carriers on the same site. (Use IFLB feature to balance the traffic between different carriers)

Managing Trouble tickets for the greater LA area, including creation, follow up and closing for resolution.

Updating network database information using Siterra as application too.

Working on NetAct and BTS site manager and also have good experience working on Ericsson tools like Business Objects /ENIC as KPI suite monitoring tool and Ericsson OSS suite.

Create plots, charts, COP’s and all presentations for Sprint National RF

Worked directly with the local and National RF departments for future areas of opportunity for improvement

Design LTE and for tree band project North LA, using PLANET 2.1 as prediction tool.

Newfield Wireless Inc. CH-USA May 2013 - Sep 2014

Job Title: RF Engineer

Contractor Assignment: Verizon, AT&T- Different Markets

Scanner drive to verify propagation models at band level for LTE and UMTS.

Performed LTE and UMTS RF propagation model tuning for AT&T and Verizon projects on various US Markets Propagation model tuning using ThruePath and provide technical report about K1 and K2’s evaluation and calibrated SPM with Atoll tool.

CW for model tuning to locate target position for RF design.

Working with different Technology in bandwidth (AWS, CELL and PCS) for AT&T and Verizon Carriers for different markets.

Scanner drive to verify propagation models at band level for LTE and UMTS.

Laboratory tests using network analyzer calibrating Filters, Receivers, Transmitter and Cable).

Unwired Solution de Mexico Sep 2012 - May-2013

Job Title: Radio Network Design

Contractor Assignment: Telcel, Nextel, Telefonica, Usacell

Development of systems multivendor for indoor coverage applications, responsible engineer for the IBS projects

RF Design Provide technical report about coverage evaluation, created and showing KPI's coverage maps to the board of directors for different clients.

Customer presentations on improving the network performance and recommendations to meet the target KPI's.

Optimization using TEMS INVESTIGATION. Submit recommendations to improve performance, using different tools like ACTIX, MAPINFO and NetDeciphre (Post-processing data using ACTIX and NetDeciphre in order to improve KPI’s network performance

TAM Ericsson Telecom CDMX - USA May 2011 – Sep 2012

Job Title: Radio Network Design

Contractor Assignment: Antel, AT&T

LTE Design support for different Markets in AT&T using ATOLL planning tool as main analysis platform. Doing Preliminary Initial Cluster Design” reports. Successful Remote Delivery of sites. Achieving customer requirements on KPIs such as RSRP, RSRQ, SINR, DL Throughput and dominant servers.

Generated focus and computation zones, Traffic Maps, verified RFDS submitted by the market and with the existing ATOLL database.

Monte-Carlo Simulations' and all the predictions needed for the ATT design review and Simulation analysis.

Prepared PCI Plan and created Neighbor lists for optimizing LTE network.

Neighbor List design 3G to first, second and third carrier for Entel costumer Project in Chile.

Retune Frequency 2G for C&W Bahamas project.

Design LTE for South America project for different markets, using PLANET 2.1 as prediction tool.

Delivering to customer the following KPI s DL throughput, UL Throughput, SINR and RSRP.Used MOSHELL/AMOS/WINFIOL applications for daily function and to run scripts and OSS commands for SSV's Initial and Hourly Reports. Taking a closer look at RSSI, VSWR, T1, Traffic and Throughput during the initial launch.

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