Wireless Systems Engineer

core responsibilities include but are not limited to the following:

Crafting and simulating wireless communication systems for very high data rate applications.

Implementing system models and investigate algorithms for performance improvements, design and validate them to allow performance sign-off and enable RTL development.

Implementing system models for the wireless communication system and RF/circuits impairments.

Defining the control procedures of the physical layer hardware modules to achieve robust and efficient performance of the Modem in a congested radio environment.

Designing methods/ algorithms to alleviate those impairments by calibration, pre-equalization, cancellation, and/or pre-distortion techniques.

Collaborating with digital designers to realize these methods with power and area efficient digital implementations.

Collaborating with firmware designers to realize these methods with high efficiency software implementation and possibly with hardware acceleration.

Bringing up, testing, characterizing and optimizing real silicon in the lab.

Preferred Qualifications

MSEE or Ph.D. preferred, with a focus on communication systems or signal processing.

Knowledge in existing wireless communication protocols, such as 5G/LTE/WCDMA/GSM, 802.11a/b/g/n/ac/ax/be, 802.11ad/ay or Bluetooth/BLE.

Strong understanding of communication theory and relevant algorithm design experience on, including but not limited to, timing recovery, automatic gain control, modulation, channel estimation, equalization, MIMO signal estimation and detection, channel coding and error correction, and beam forming algorithms.

Experience in designing systems that operate efficiently in high-load and noisy environments.

Experience on low-power algorithm design for power critical application.

Experience with multi-radio coexistence management.

Deep understanding of components/modules within wireless communication systems, and the possible impairments from those components.

Experience in corresponding calibration and impairment reduction methods/algorithms, digital pre-distortion, PAPR reduction algorithms, Tx power control.

Experience on bring up of real silicon in lab and being able to efficiently use lab equipment such as spectrum analyzer, signal generator, power meter.

Experience in modem architecture, microprocessor architecture, hardware and software control.

Minimum Qualifications

BSEE and a minimum of 3 years relevant industry experience.

Basic understanding of wireless communication systems (e.g., OFDM/MIMO) and hands-on experience with lab testing and characterization.

Validated experience in the algorithm development and implementation design of communication systems or signal processing algorithms, and ability to develop and implement performance tuning strategies and optimizations.

Strong analytical skills with a proven track record to tackle sophisticated system issues.

Experience with Matlab or Python and/or C/C++ for algorithm development, modeling, and simulation.

Excellent interpersonal skills to collaborate with multi-functional teams.

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