Layer 2 RAN Developer

1 week ago


Delhi, Delhi, India Altiostar, A Rakuten Symphony Company Full time

About Altiostar:

Altiostar offers a unique 4G/5G vRAN solution that aims to enhance user experience, improve spectral efficiency, allow flexibility in hardware selection, enable network automation, and reduce Total Cost of Ownership (TCO). Our product integrates cutting-edge hardware and software technologies, supported by a dedicated team of professionals who deeply understand the needs and goals of mobile network operators.

Our mission is to equip mobile network operators with the necessary tools to quickly and efficiently deploy and expand their 4G/5G networks in a feature-rich and cost-effective manner.

Job Purpose:

  • MAC Feature Design, Development, and Maintenance as well as customer support for 4G/5G.

Responsibilities:

  • Implementation of MAC/RLC/PDCP protocols.
  • Management of active and idle mode mobility.
  • Optimizing resource distribution.
  • Power control.
  • Integrating interference-aware scheduling.
  • Implementing weighted proportional fair and OoS aware scheduling.
  • Link Adaptation.
  • Performing MIMO and other assigned tasks.

Qualifications and Skills:

  • Bachelor's/Master's degree in ECE or Computer Science Engineering.
  • 5-12 years of experience in the Telecommunication industry.
  • Expertise in L2/MAC Scheduler Design, Development, Optimization, and Debugging.
  • Experience with MAC Scheduling algorithms on eNB/Small Cells/gNB.
  • Proficiency in coding with C/C++, Design, Debug, and Architecture skills.
  • Understanding of Integration with L1 and L3 Interfaces.
  • Familiarity with RRC message sequences.
  • Strong debugging skills in Log analysis.
  • Knowledge of tools like QCAT, Viavi, and system issue characterization.


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