Job Description

Wireless Radio Systems Engineer **San Diego, California, United States** **Hardware** **Summary** Posted: **Oct 16, 2024** Role Number: **200573480** 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 Wireless Silicon Design group, you will have outstanding and exciting opportunity to build our future products that will delight and encourage millions of Apple's customers every single day! Would you like to join Apple's growing wireless silicon development team? Our wireless SOC organization is responsible for all aspects of wireless silicon development, taking care of challenges from the complex usages, more demanding performances and reliabilities to enable emerging wireless applications and products. Our goals are to come up with innovative architectures and protocols, integrate systems and algorithms with employing the advanced technologies to introduce our innovative products, providing evolutions to our lives. In this technical role, you will be at the center of a silicon design group, with a critical impact on radio architecture, radio system performance, system integration and physical layer algorithms designs for innovative wireless communication systems. You will develop system model of RF/analog design, radio chain modeling, integrated radio interaction models, dynamic behavior models and assess associate impairments. You will evaluate radio performance on various application scenario, as well as working on architecting various calibration and correction methods for radio impairments. The role requires collaboration with HW digital designers and architects, products, Radio, analog designers, and SW engineers, to define and specify the wireless systems. You will get to work with digital designers to realize different physical and/or radio compensation algorithms, and with firmware designers to realize different physical/radio compensation algorithms with high efficiency software implementation. And to bring up, test, characterize and optimize real silicon in lab to the production qualities. **Description** In this role, core responsibilities include, but are not limited to, the following: Design radio 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 Evaluate radio performance in different scenarios by quantitative analysis and link simulation Work with radio designer to come up with state-of-art radio architecture Work with digital designers to realize PHY/radio algorithms with power and area efficient digital implementations. Work with firmware designers to realize PHY/radio algorithms with high efficiency software implementation, and possibly with hardware acceleration. Responsibility for Bring up, test, characterize and optimize real silicon in lab. **Minimum Qualifications** + BS and a minimum of 3 years relevant industry experience + Understanding of RF and analog components/modules composited of wireless communication systems, the possible impairments from those components, and the corresponding calibration and impairment reduction methods/algorithms is essential + Proven track record of RF calibration algorithm for RF impairments + Experience with MATLAB, Python and/or C/C++ for algorithm development, modeling, and simulation. + Hands-on experience on lab testing & characterization, such as spectrum analyzer, signal generator, signal analyzer, power meter, etc. **Preferred Qualifications** + MSEE/PhD with relevant experience + Understanding of communication theory, information theory, & signal processing related algorithms design + Analytical capability to develop the best-in-class solution in terms of performance, power and area for the meaningful issues of physical layer design + Knowledge in existing wireless communication protocols: Cellular technologies (5G-NR/LTE/WCDMA/GSM), WiFi (802.11a/b/g/n/ac/ax/be and ad/ay) or Bluetooth/BLE + Circuit design experience or knowledge **Pay & Benefits** At Apple, base pay is one part of our total compensation package and is determined within a range. This provides the opportunity to progress as you grow and develop within a role. The base pay range for this role is between $135,400 and $250,600, and your base pay will depend on your skills, qualifications, experience, and location. Apple employees also have the opportunity to become an Apple shareholder through participation in Apple's discretionary employee stock programs. Apple employees are eligible for discretionary restricted stock unit awards, and can purchase Apple stock at a discount if voluntarily participating in Apple's Employee Stock Purchase Plan. You'll also receive benefits including: 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. Additionally, this role might be eligible for discretionary bonuses or commission payments as well as relocation.Learn more about Apple Benefits. ( Note: Apple benefit, compensation and employee stock programs are subject to eligibility requirements and other terms of the applicable plan or program. Apple is an equal opportunity employer that is committed to inclusion and diversity. We seek to promote 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 ( . Apple is an equal opportunity employer that is committed to inclusion and diversity. We seek to promote 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 ( . Apple will not discriminate or retaliate against applicants who inquire about, disclose, or discuss their compensation. Apple participates in the E-Verify program in certain locations as required by law.Learn more about the E-Verify program ( . Apple is committed to working with and providing reasonable accommodation to applicants with physical and mental disabilities. Reasonable Accommodation and Drug Free Workplace policy Learn more . Apple is a drug-free workplace. Reasonable Accommodation and Drug Free Workplace policy Learn more . 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 applicable in your area. It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

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