Apple

Experience in wireless design of 3GPP compliant modems (such as 5G-NR, 4G LTE, 3G/2G) highly desired.. Experience with millimeter wave technologies is a plus.. Deep understanding of communication theory & signal processing related algorithms design (e.g. digital filtering, RF impairment mitigation, gain/frequency control loops, equalization, coding theory) will be crucial in this role.. Strong analytical (linear algebra, random processes, detection and estimation, sampled data systems etc.). - Collaborate with digital designers and firmware developers to realize algorithms with power and area efficient implementation.

systems engineer

Summary: We are looking for an experienced PHY Systems Engineer with a deep understanding of wireless technology. In this role, you’ll be a key member of the systems engineering team working on feature design and development, validation, and characterization of wireless modem systems.Key Qualifications: In-depth knowledge of wireless communication system with experience in PHY layer modeling, performance simulations, and fixed-point design fundamentals. Experience in wireless design of 3GPP compliant modems (such as 5G-NR, 4G LTE, 3G/2G) highly desired. Experience with millimeter wave technologies is a plus. Deep understanding of communication theory & signal processing related algorithms design (e.g. digital filtering, RF impairment mitigation, gain/frequency control loops, equalization, coding theory) will be crucial in this role. Strong analytical (linear algebra, random processes, detection and estimation, sampled data systems etc.), as well as, documentation skills.Hands-on experience with design validation, unit and lab testing and characterization is a plus. Experience with bringing up real silicon in lab and familiarity with lab equipments such signal generators, spectrum analyzers, will be an additional plus.Full-stack system level understanding and ability to contribute to multi-disciplinary processes of RF/PHY/L1/L2 a plus.Description: - Design and simulate innovative physical layer wireless communication algorithms. - Implement system models and perform detailed performance investigations to support with performance sign-off and enable HW/FW implementation. - Collaborate with digital designers and firmware developers to realize algorithms with power and area efficient implementation. - Document systems design, and interface sequence flows. - Work on silicon bring up to help validate systems algorithms and design. - Translate learnings from field/lab to algorithm design and improvements.Additional Requirements:

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