{"title": "Wireless System and Algorithm Design Engineer", "summary": "Would you like to join Apple\u2019s 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 goal is to come-up with novel architectures and protocols, integrated systems and algorithms with employing the advanced technologies to introduce our innovative products, providing evolutions to our lives.", "description": "In this role, you will be required to demonstrate strong analytical skills, innovative thinking, and fundamental knowledge to design the creative algorithms, innovative architectures and protocols, to resolve the challenges and issues and develop the best-in-class solutions in terms of performance, power, and area. You will also collaborate closely with HW digital designers and architects, RF/analog designers, and SW teams to define and specify the wireless systems. Core responsibilities: \u2022Design and simulate innovative wireless communication system to enable emerging applications and wireless system products. \u2022Implement system models and investigate innovative algorithms for performance enhancements, design and validate them to allow performance sign-off and enable RTL development. \u2022Implement 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. \u2022Define 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. \u2022Work with digital designers to realize these methods with power and area efficient digital implementations. \u2022Work with firmware designers to realize these methods with high efficiency software implementation, and possibly with hardware acceleration.  \u2022Bring up, test, characterize and optimize real silicon in lab.", "key_qualifications": "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", "preferred_qualifications": "", "education_experience": "BS and 3+ years of relevant experience required. MS and PhD preferred.", "additional_requirements": "", "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\u2019s 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\u2019s Employee Stock Purchase Plan. You\u2019ll 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 \u2014 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.", "company": "apple"}