Protocol Support Engineer

Job Type: Full Time
Job Location: San Deigo-CA
Experience: 2-3 Year
Descriptions:
  • 5G NR experience desired
  • Excellent Protocol Knowledge in LTE technologies from Rel8-Rel14
  • Good Knowledge in TTCN-2 or TTCN-3.
  • Working experience of using Qualcomm UEs and tools required
  • Familiar with 3GPP and RAN5 required
Skill Matrix:
  • Programming skills: TTCN3 (Mandatory), C, C++
  • LTE UE protocol stack knowledge e.g NAS, RRC, PDCP, RLC, MAC, PHY layers
  • 5G NR Knowledge on FR1 and FR2.
  • IMS/VoLTE knowledge
  • 5G, LTE, VoLTE call flows.
  • Any lab testing experience on 5G/LTE protocol testing.
  • Deep knowledge on 5G/LTE UE logs analysis.
  • Experience on test equipment e.g Anritsu, R&S, Keysight
  • LTE knowledge on Attach, cell reselection, LTE Handover, IRAT Handover, carrier aggregation, HARQ, BSR, ARQ, TTI Bundling, paging, throughput analysis, DRX/CDRX, Channels, frames, transmission modes, DCI, SRVCC etc.

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