Wireless System and Algorithm Design Engineer

3 weeks ago

San Diego, California, United States Apple Full time
Wireless System and Algorithm Design Engineer

At Apple, we're pushing the boundaries of wireless technology to create innovative products that transform lives. As a Wireless System and Algorithm Design Engineer, you'll be at the forefront of this effort, designing and developing cutting-edge wireless communication systems that enable emerging applications and products.

Key Responsibilities:
  • Design and simulate innovative wireless communication systems to enable emerging applications and wireless system products.
  • Implement system models and investigate innovative algorithms for performance enhancements, design and validate them to allow performance sign-off and enable RTL development.
  • Implement system models for the wireless communication system, RF/circuits impairments. Design method/algorithm to alleviate those impairments by calibration, pre-equalization, canceller, and/or pre-distortion techniques.
  • Define the control procedures of the physical layer hardware modules to achieve robust and optimal performance of the Modem in congested radio environment with Co-Existing wireless communication systems.
  • Work with digital designers to realize these methods with power and area efficient digital implementations.
  • Work with firmware designers to realize these methods with high efficiency software implementation, and possibly with hardware acceleration.
  • Bring up, test, characterize and optimize real silicon in lab.
Requirements:
  • Extensive experience on design and develop the physical layer core algorithms, such as MIMO signal estimation and detection, channel estimation, equalization, coding theory, beamforming, signal estimation and detection, timing recovery, frequency synchronization, automatic gain control, etc.
  • Track record in applying innovative signal processing, communication theory, information theory techniques to resolve the challenging problems of the physical layer design (transmitter/receiver) for modern wireless communication systems.
  • Deep understanding of communication theory, information theory, & signal processing related algorithms design.
  • Strong analytical capability to develop the best-in-class solution in terms of performance, power, and area.
  • Deep understanding of components/modules composited of wireless communication systems. The possible impairments from those components and the corresponding calibration and impairment reduction methods/algorithms, digital predistortion, PAPR reduction algorithms, Tx power control, etc.
  • Algorithm development experience with hardware and firmware friendly designs.
  • C/C++ and Matlab for algorithm development, modeling, and simulation of physical layer.
  • Knowledge in existing protocols: 5G/LTE/WCDMA/GSM, 802.11a/b/g/n/ac/ax/be, 802.11ad/ay or Bluetooth/BLE.
What We Offer:
  • Comprehensive medical and dental coverage, retirement benefits, a range of discounted products and free services, and for formal education related to advancing your career at Apple, reimbursement for certain educational expenses — including tuition.
  • Discretionary restricted stock unit awards, and can purchase Apple stock at a discount if voluntarily participating in Apple's Employee Stock Purchase Plan.

Apple is an equal opportunity employer that is committed to inclusion and diversity. We take affirmative action to ensure equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or other legally protected characteristics.

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