Principal 5G Systems Engineer

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Job title: Principal 5G Systems Engineer

Company: Serigor Inc.

Job description: Title: Principal 5G Systems Engineer

Location: Richardson, TX

Duration: Full Time

Job Description

POSITION SUMMARY:

  • Establish OTA Test Strategy for complete E2E 5G mMIMO testing; FR1 compliance. Work with internal development team to implement this test strategy.
  • Work with customer and external partners to establish E2E test plans. Lead development and implementation of those plans with internal teams.
  • Work with product development team to establish beamforming calibration strategy for mMIMOs.
  • Work with Software team based in China to automate calibration and OTA tests.
  • Develop a test setup to measure MIMO gain, Throughput etc over different channels (fading) scenarios to perform qualitative tests on passive basestation antennas.
  • Manage and oversee Near Field ranges located in all 3 regions: US, China, and India.

QUALIFICATIONS:

  • Bachelors degree in Electrical Engineering with a minimum of twelve (12) years direct experience. Master of Science or PhD in Electrical Engineering preferred
  • Experience in sub-6 active/passive mMIMO Antenna systems including calibration algorithms.
  • Experience designing Remote Radio Heads or Remote Radio Units for 4G or 5G systems
  • Experience in active and adaptive beamforming RF systems.
  • Understanding of receiver and transmitter functional blocks and capabilities including antennas, power amplifiers, filters, duplexers, oscillators, frequency converters, modulators, and demodulators.
  • Wide range of experience in RF system phased array and/or beamforming simulation and analysis using Microwave Office, Keysight ADS, MatLab, and Simulink.
  • Experience in link budget analysis, chain analysis, EVM analysis, and throughput analysis.
  • Experience in analyzing high level system requirements to extract block level hardware and software level requirements.
  • Understanding of transmitter and receiver impairments including sources of thermal noise, phase noise, non-linearities, PIM, group delay, intermodulation, spurious and simulation of impairment impact.
  • Understanding of wireless receiver and transmitter architectures, antennas, and devices.
  • Knowledge of wireless infrastructure architectures and air interface standards including LTE and HSPA.
  • Skilled in thorough documentation of requirements and architectures and presentation of radio architecture concepts.

Must-Haves:

  • 5G Massive MIMO Radio Design, System Design and Beamforming Algorithm
  • Experience designing Remote Radio Heads or Remote Radio Units for 4G or 5G systems
  • Experience in OTA Test Strategy for complete E2E 5G mMIMO testing; FR1 compliance. Experience implementing this test strategy by working with internal development teams
  • Experience working with customer and external partners to establish E2E test plans, lead development and implementation of those plans with internal teams.
  • Experience in automating calibration and OTA tests, experience developing a test setup to measure MIMO gain, throughput etc over different channels (fading) scenarios to perform qualitative tests on passive basestation antennas

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Expected salary:


Location: Texas

Job date: Wed, 18 Nov 2020 03:00:39 GMT


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