Wireless Systems Engineer, Cross-Layer Design

About This Role

This Wireless Systems Engineer will design and optimize innovative cross-layer PHY/MAC algorithms for high data rate wireless SoCs. The role involves mitigating interference, improving system performance, and collaborating with various engineering and product teams.

Responsibilities

• Implement system models and investigate innovative algorithms in PHY/MAC cross-layer to mitigate the impact of dynamically changing and congested radio environments, and achieve robust performance.
• Discuss with product teams and come up with novel algorithms and procedures to satisfy the requirements of emerging applications in real life conditions with congested radio environments.
• Perform simulations to prove the efficiency of the designed algorithms, and validate them on emulation platforms.
• Work closely with SW engineers, HW digital designers, Product teams and architects to understand domain requirements and constraints, and align on the best solutions.
• Bring up, test and characterize the crafted algorithms on real silicon in lab, evaluate and assure interoperability performance with other APs and STAs.
• Come up with enhanced solutions based on the behavior and performance analysis of real silicon systems in practical setups or environments.

Requirements

• BS and a minimum of 3 years relevant industry experience.
• Strong individual technical contributor capacity that with at least 5 years experience in designing PHY/MAC cross-layer algorithms, signal processing, and wireless communication systems.
• Deep understanding of communication theory, information theory, and signal processing related algorithm design.
• Experience with system optimization in congested and dynamically changing radio environments through cross-layer designs with proven understanding of PHY systems and MAC protocols.
• Experience designing and developing the physical layer core algorithms for wireless communication systems such as MIMO / OFDM signal estimation and detection, channel estimation, equalization, coding theory, beam forming, timing recovery, frequency synchronization, automatic gain control.
• Experience implementing system models in MATLAB, Python and/or C/C++ for algorithm development, modeling, and simulation.
• Knowledge of existing wireless communication protocols: 802.11a/b/g/n/ac/ax/be, 802.11ad/ay, 5G/LTE/WCDMA/GSM, and/or Bluetooth/BLE.

Qualifications

• BS in a relevant field
• 5+ years experience in designing PHY/MAC cross-layer algorithms, signal processing, and wireless communication systems, with a minimum of 3 years relevant industry experience.

Nice to Have

• MSEE or PhD with a few years proven experience.
• Able to efficiently use lab equipments such as spectrum analyzer, signal generator, network traffic analyzer.
• Experience with ns-3, emulation systems, and virtual platforms.
• Knowledge of modem architecture.
• Hands-on experience with bringing up silicon, testing, debug and characterization in the lab over variations of setups from basic single link performance to practical setups with other devices and interference.
• Good written and verbal communication skills.

Skills

* Required skills

Benefits