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Apple Cellular 5G /4G Physical Layer Firmware Engineer India, Karnataka, Bengaluru 917966349
18.05.2024
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Key Qualifications
- Experience with hardware control for physical layer4G/5G data path processing
- Understanding of 5G and 4G 3GPP protocols
- Experience implementing digital signal processing algorithms using special purpose digital signal processing HW.
- Strong understanding of linear algebra and digital signal processing principles.
- Deep understanding of software engineering principles, and core computer science fundamentals.
- Fundamental facility with C and C++, compilers, build and source code control tools.
- Significant experience with memory constrained Real Time Operating Systems (RTOS) and concurrent programming.
- Solid understanding of computer architecture with particular emphasis on the HW/SW interfaces of high speed communication subsystems.
- Experience with silicon prototyping, emulation systems, and virtual platforms.
- Proficiency debugging embedded software systems. Familiarity with UARTs, JTAG, and oscilloscopes.
- Some mainstream OS application level development and Python or Perl scripting experience.
Description
- Implement key 3GPP protocols and control/data path processing algorithms with very tight time, latency and energy budgets by interfacing to specialized cellular ASIC hardware. - Examples of processing include 3GPP channels and procedures such as PDCCH, PDSCH,PBCH,PUCCH, PUSCH, PRACH, UL/DL HARQ, Tracking loops.- Examples of 3GPP algorithmic areas include: - Channel Estimation - Channel State Feedback - Interference Cancellation - Cell Search and Measurement - Beam Measurement- Work with systems engineers to refine signal processing algorithms for efficient firmware/hardware execution - Work with silicon designers to define HW interfaces, processors, bus, DMA, accelerator, and memory subsystems. - Specify, design, and implement the firmware architecture of an innovative mobile wireless communications system. - Assist in the development of pre-silicon emulation systems/virtual platforms and use them for pre-silicon FW design and HW verification. - Evaluate and implement pioneering tools for build, formal verification and test.- Define methodologies and best practices.
Education & Experience
- Bachelor’s degree in electrical engineering, electronics and telecommunications, computer engineering or computer science is required.
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