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Tarana Wireless
Senior DSP Software EngineerTarana Wireless • San Francisco, CA, United States
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Senior DSP Software Engineer

Senior DSP Software Engineer

Tarana Wireless • San Francisco, CA, United States
4 days ago
Job type
  • Full-time
Job description
Requirements
  • MS or PhD in Electrical Engineering, with an emphasis in wireless communication and/or digital signal processing
  • 5+ years of industry experience encompassing the ownership of design and implementation of signal processing algorithms on a DSP / ARM core running Linux or a RTOS
  • Industry experience needed in RFIC software development for wireless communication systems (such as 5G, LTE, WiFi, or similar proprietary protocols)
  • Strong understanding of RFIC impairments and compensating for the impairments using Real-Time SW
  • Experience needed in system integration and bring-up
  • Formal understanding of communication and signal processing theory and techniques, including OFDM communication systems, and a strong mathematical background in linear algebra
  • Strong background in C, C++, and Python programming
  • Experience with software development for multi-core embedded systems, including real-time operating systems (RTOS), memory and cycle optimization, caches, multi-threaded programming, inter-process communication, and HW/SW interaction
  • Comprehensive knowledge of one or more algorithms used in wireless communication systems, and their associated design and software implementation. Relevant experience could be in areas such as:
  • RFIC impairments and compensations, SW development and validation
  • Calibration procedures for multi-antenna-based systems
  • Advanced array signal processing techniques, such as beam-forming and MIMO
  • Adaptive equalization, receiver synchronization, signal identification, and recovery
  • Experience with version control systems (Git, Gerrit, Gitlab), and issue tracking and collaboration systems (Jira, Confluence)
What the job involves
  • As a Senior DSP Software Engineer, you will work on the design, development, integration, and testing of RF calibration software modules for a next-generation fixed wireless broadband system
  • The primary focus is on layer 1 functionality of the proprietary 5G protocol, such as channel estimation, IQ imbalance correction, and LO leakage cancellation
  • Develop software for both the base station and user equipment of a broadband wireless access system, across various multicore DSP/ARM processors and real-time operating systems
  • Collaborate closely with L2/L3 software groups and FPGA/ASIC teams to deliver cross-layer features
  • Design of Calibration software architecture, HW/SW interfaces, APIs, and RFIC impairments correction algorithms and protocol state machines
  • Strong understanding of RFIC impairments and algorithms for compensating the impairments using Real-Time SW
  • Hands-on implementation in C/C++ of DSP software modules running under RTOS on a multi-core DSP architecture
  • System integration and debugging on complex hardware platforms
  • Mentorship of junior engineers, providing technical guidance and code review
  • Willing to learn continuously and collaborate with the team members
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Senior DSP Software Engineer • San Francisco, CA, United States

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