4G /5G System Engineer Interoperability at Nokia North America Dallas

I grew and developed those skills in a lab and on the field

• Planned and performed test cases including reviews/analysis of feature specifications in a well consolidated test plan of 300+ test cases from a range of 3000+ cases: registration, mobility (handovers, reselections, redirections), carrier aggregation, Call processing (VoLTE, VoNR, ViLTE, ViNR, CFSB, EPS Fallback, SRVCC, e911), CMAS, TTI Bundling, SMS, and other radio and UE features from Rel8 -Rel15, performed on TMO, ATT and Verizon (Low, Mid and High) bands in the Nokia Lab in a timely manner.

• Worked on Test specification: creating/updating/reviewing test documents (test plans, test cases, test reports, feature specification, instructions) using Nokia documentation and 3GPP.

• Installed, commissioned, and integrated gNB, eNB, NB in IOT lab environment.

• Worked on interoperability between LTE and WCDMA and LTE and 5G NR (NSA).

• Optimized field network radio parameters (thresholds, offsets, hysteresis) with respect with field KPIs (RSRP, RSRQ, SINR, RSSI) for smooth continuity in the clusters under testing.

• Investigated, explained, and reported UE or Network faults which includes cooperation with other teams.

• Analyzed logs and troubleshooted problems from the field and customer lab based on 3GPP and Nokia documentation.

• Performed OAM on Nokia RAN, Maintained Lab equipment and software, upgrading NEs, upgrading BTS software versions (SBTS20A - SBTS22R3) and building/expanding of workstations & 5G gNB/ LTE eNBs as needed. Built /expanded of workstations & gNB/ eNBs as needed with additional Baseband Units (ABIA, ASIA, ASIK, ABIL) and additional Radios Modules (AHIB, ARZB, AHFB, UHBA, AHLOA, FRIJ, AZRA).

• Familiarized with the tools, processes and methods used by Nokia and clients: Qualcomm Package Manager (QXDM, QCAT, PCAT, QPST, QMI Test Pro), Wireshark, EMIL, BTS counters.

• Performed data throughput(TCP /UDP) cases adjusting iperf2/3 server and listener commands, troubleshooting network software or RF issues if needed to delete the BLER.