Embedded 5G/4G Cellular RF Software/Firmware Engineer

Apple

Cupertino, CA 95015

Posted 1 month ago

Job Description

Embedded 5G/4G Cellular RF Software/Firmware Engineer


Santa Clara Valley (Cupertino),California,United States


Hardware


+ Knowledge of mobile communications in 4G/5G 3GPP protocols and PHY layer radio aspects


+ Knowledge of communication theory, Wireless standards, Radio architecture and Interfaces


+ Experience with control of RF transceiver and RF front end components for 4G/5G data path processing


+ Understanding of RF calibrations for gain error and techniques for compensating RF impairments.


+ Understanding of design principles to meet tight real time deadlines a plus.


+ Deep understanding of software engineering principles, and core computer science fundamentals.


+ Excellent command of C and C++,and working experience with compilers, build and source code control tools.


+ Working knowledge of computer architecture with particular emphasis on the HW/SW interfaces of wireless communication systems.


+ Experience with using RF Test equipment for RF validation and debugging.


+ Proficiency with debugging in embedded software systems. Familiarity with JTAG and ETM Trace tools.


**Description**


• Specify, design, and implement the RF firmware architecture of a state-of-the-art mobile wireless communications system. • Design, develop and optimize the RF processing algorithms pertaining to transceiver, RF front end, antenna tuners and other RF components in a cellular system. • Implement RF device drivers and control software for RF transceivers and RF front end components with precise timing requirements. • Work with RF silicon designers to define RF transceiver architecture and supporting software computing requirements. • Work with systems and IC designers to optimize power optimization for all RF circuitry in the cellular system. • Work with cross functional teams to manage dependencies while driving the key Radio features.


**Education & Experience**


Bachelor’s degree in electrical engineering or computer science is required


**Additional Requirements**


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