Job Details

Principal Engineer 5G

Advertiser
Advent Global Solutions, Inc.
Location
Richardson, Texas, United States
Rate
-
Must-Haves Degree in Electrical Engineering Product development experience in 4G and 5G Massive MIMO Experience in 5G Massive MIMO Radio Design and 5G Massive MIMO Systems Design Experience designing Remote Radio Heads or Remote Radio Units for 4G or 5G systems. 1. Beamforming 2. Phased Antenna Array 3. Remote Radio Heads and Remote Radio Unit POSITION SUMMARY Development of beamforming and MIMO radio system architectures and antenna array systems for existing 3G4G wireless standards and developing 5G systems. Condense high level standards and specifications into detailed requirements for sub-systems, blocks, and devices. Conduct analysis and simulation of RF, MIMO, and beamforming behavior from baseband through the antenna and wireless link using Microwave Office, Keysight ADS, MatLab, and SimuLink. Conduct chain analysis to optimize parametric distribution and RF impairment analysis to ensure system dynamic range and channel fidelity. Perform link budget analysis to appropriately scale power amplifier and antenna characteristics. Conduct simulation and analysis of system throughput for various channel conditions and hardware impairments. Optimization of functional partitioning between DSP, mixed signal, and RF blocks. 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 activepassive 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 andor 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.

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