Wireless System EngineerSanta Clara Valley (Cupertino),California,United StatesHardware+ - Requires at least 3+ years experience in crafting signal processing and wireless communications systems.+ - In-depth knowledge on wireless communication system (OFDM/MIMO, etc), hands on experience on lab testing & characterization will be necessary.+ - Strong understanding of communication theory & signal processing related algorithms design (such as timing recovery, signal estimation and detection, MIMO signal estimation and detection, automatic gain control, channel estimation, equalization, coding theory, beamforming, etc.)+ - Deep understanding of components/modules composited of 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 with Matlab or Python and/or C/C++ for algorithm development, modeling, and simulation.+ - Experience in modem architecture, microprocessor architecture, hardware and software control are a plus.+ - Experience on low power algorithm design for power critical application is a plus.+ - Experience with multi-radio coexistence management is a plus.+ - Experience and knowledge on High Level Synthesis (HLS), silicon prototyping, emulation systems, and virtual platforms will be a plus.+ - Experience on bring up real silicon in lab, being able to efficiently use lab equipment (such as spectrum analyzer, signal generator, power meter, etc) is a plus.+ - Knowledge in existing wireless communication protocols: 5G/LTE/WCDMA/GSM, 802.11a/b/g/n/ac/ax/be, 802.11ad/ay or Bluetooth/BLE**Description**In this technical role, you will be at the center of a silicon design group responsible for wireless system design for state-of-the-art wireless SoC products. You will have an opportunity of designing and innovating the algorithms and architectures of wireless communication systems, working with the world class RF/analog, HW, SW designers, architects, implementing, verifying, validating and bringing up the SoC products to the production quality, providing them to millions of Apple customers. Core Responsibilities includes but not limited to the following. • Design and simulate state-of-the- wireless communication system for very high data rate applications. • 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. • 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.**Education & Experience**MS with 5+ Years experience or Ph.D. with 3+ Years experience.**Additional Requirements****Apple Footer**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. Learn more about your EEO rights as an applicant (Opens in a new window) .Apple will not discriminate or retaliate against applicants who inquire about, disclose, or discuss their compensation or that of other applicants. United States Department of Labor. Learn more (Opens in a new window) .Apple will consider for employment all qualified applicants with criminal histories in a manner consistent with applicable law. If you're applying for a position in San Francisco, review the San Francisco Fair Chance Ordinance guidelines (opens in a new window) applicable in your area.Apple participates in the E-Verify program in certain locations as required by law. Learn more about the E-Verify program (Opens in a new window) .Apple is committed to working with and providing reasonable accommodation to applicants with physical and mental disabilities. Apple is a drug-free workplace. Reasonable Accommodation and Drug Free Workplace policy Learn more (Opens in a new window) .