Wireless Cellular Standards Engineer

Apple

  • Beijing
  • Permanent
  • Full-time
  • 1 month ago
At Apple, we work every single day to craft products that enrich people's lives. Do you love working on challenges that no one has solved yet? As a member of our cellular standards group, you will have the unique and rewarding opportunity to shape the global wireless industry and contribute to upcoming products that will delight and encourage millions of Apple's customers every single day! In this technical role, you will be at the center of our cellular standards group responsible for promoting the wireless technologies of our innovative wireless SoC products. You will have the chance to create algorithms and architectures of wireless communication systems, as well as collaborate with extraordinary RF/analog, HW, SW designers and architects to design SoC products to millions of Apple customers!DescriptionIn this role, core responsibilities include, but are not limited to the following: Designing and simulating wireless communication systems for 5G and 6G technologies, including channel coding, advanced MIMO systems, protocols for energy saving, AI/ML for air interface enhancements, sensing techniques, control and data channel optimization for cellular systems. Attending global standards meetings, including 3GPP, to promote Apple product preferences. Collaborate with product teams and come up with novel architecture, protocols, and algorithms to meet the requirements of emerging applications in a challenging radio environment.Minimum Qualifications
  • Working knowledge of wireless communication systems (e.g., OFDM/MIMO, etc.).
  • Proven 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.
  • Experience with Matlab or Python and/or C/C++ for algorithm development, modeling, and simulation.
  • Excellent communication skills to collaborate with cross-functional teams.
  • Motivated to collaborate and contribute as a team, and able to deliver ambitious tasks in a timely manner.
  • BS and 3+ years of relevant experience is required.
Preferred Qualifications
  • Ph.D. with a focus on communication systems, signal processing or AI/ML for wireless communication
  • 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 applications.
  • Experience with multi-radio coexistence management.
  • Deep understanding of components/modules within wireless communication systems, and the possible impairments from those components, and the corresponding calibration and impairment reduction methods/algorithms, digital pre-distortion, PAPR reduction algorithms, Tx power control, etc.
  • Experience in modem architecture, microprocessor architecture, hardware and software control.

Apple