RF Engineer

RF Engineer

02 Sep 2021
California, Walnutcreek, 94596 Walnutcreek USA

RF Engineer

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RF Engineer

Description:
The RF Engineer is responsible for contributing in the RF Design of the regional wireless network. Responsibilities include but are not limited to:
Create site design RFDS and complete plumbing diagrams.
Working with traffic and implementation counterparts to understand capacity improvements needed in the network.
Evaluate antennas and equipment for performance and future growth.
Perform radio engineering evaluations for system planning and site acquisition.
Evaluate coverage problems and requirements for coverage and capacity cells.
Utilize propagation tools and other RF related equipment such as MapInfo, Google Earth, ATOLL, for site candidate comparison, propagation and coverage review and selection, zoning and regulatory.
Determination of regulatory coverage boundaries for extensions, FAA/FCC filings.
Review of cell sites and design for upgrades/modifications.
Creates search areas and reviews search area candidates within geographic area by taking into consideration performance issues, capacity, topography, and population.
Working with the performance team to improve Key Performance Indicators within the area of interest.
Experience with model tuning in propagation tool

Prepare necessary zoning justification packages and regulatory filings for sites.
Works closely with real estate team to increase efficiency, minimize cost, and streamline processes related to site acquisition, leasing, and zoning submissions.
Conduct RFE analysis, generate required reports and documents, and ensure 100% compliance to RFE mitigation standards within the allotted time frame.
Develop and analyze sectors, post construction, to optimize coverage and capacity.
Determine the required antennas for planned frequencies and their optimal positions.
Determine the required cable, antennas, and equipment to implement macro and small cell wireless network clusters.
. Automate processes when opportunities arise and share information with the teams.

DEMONSTRATED KNOWLEDGE:
4G network design and implementation o Tasks and knowledge related to: antennas, RF engineering, transmission, reception, and propagation. o Good understanding of band performance capabilities and limitations. o Demonstrated understanding of LTE KPIs and impacts of design on them. o Planning factors for data and VoLTE.
PCI planning
Different types of losses and mitigation techniques.
Methods to calculate antenna gain and free space path loss.
The effects of outdoor terrain and indoor structures such as walls, floors, and ceilings on signal propagation.
Understanding and use of topographical maps and digital terrain databases.
Antenna system design and use including antenna types (examples might include Hex/Octo port panel, cross-pol array, etc.), antenna patterns, gain and EIRP, ERP, antenna size, antenna polarization, receive and transmit diversity, MIMO antenna systems, and proper antenna installation to provide for coverage and interference mitigation.
Macro site design considerations in urban, sub-urban, and rural environments.
Small cell design considerations in urban and sub-urban environments

TOOLS EXPERIENCE REQUIRED:
ATOLL
Sitetraker
MapInfo & MapBasic
Microsoft Office suite of products (advanced experience level)
Google Earth
FCC ASR and ULS databases
7-10 years of experience

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