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Location: Bengaluru
Company: Apple
Description
- Implement key 3GPP protocols and control/data path processing algorithms with very tight time, latency and energy budgets by interfacing to specialised 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.
Responsibilities
As a Cellular 5G/4G Physical Layer Firmware Engineer on this team, you will be at the center of the embedded 5G/4G/multimode cellular firmware effort within a silicon design group responsible for crafting and productizing state-of-the-art cellular SoCs. We are looking for someone comfortable with all aspects of embedded software development, who thrives in a dynamic multi-functional organisation, is not afraid to debate ideas openly, and is flexible enough to pivot on constantly evolving requirements.
Minimum 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 in debugging embedded software systems. Familiarity with UARTs, JTAG, and oscilloscopes.
- Some mainstream OS application-level development and Python or Perl scripting experience.
Preferred Qualifications
- Bachelor’s degree in electrical engineering, electronics and telecommunications, computer engineering or computer science is required.
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