Gautam Singh

● Handling issues of customers in testing of various features related to NR-5G, LTE, VoLTE.

● Direct interaction with customers for understanding and debugging bugs reported on JIRA.

● Handling issues related to issues like RACH, Attach and Detach, Carrier aggregation, VoLTE, VoNR, Handover, SSB Power Calculation, ANR, MIB/SIB parameters testing etc.

● Modification of JAVA configuration file of UE Simulator and Network Emulator as per the test scenario requested by customers.

● End to end knowledge of Simnovus/Amarisoft UE Simulator and Network Emulator Server bring up.

● Functional and Feature Testing of NR-5G, LTE, VoLTE (Small Cell) for AT&T (USA).

● Handling Manual and Python based Automation framework and preparing/executing test cases scripts using defined Python based keywords.

● Working on LTE and NSA/SA-5G Feature testing in ORAN environment designed in CUPS format(CU/DU/RU).

● Major technical works include preparation and execution of test cases in LAB environment designed by Commscope.

● Configuration change in DMS (Tool to change parameters) at Gnb/eNB side to perform NR/LTE features tests and analyzing UE(QXDM) and Wireshark logs to check Fronthaul/Midhaul/Backhaul activities.

● Involved in debugging of issue like Radio link failure, Handover failure, VoLTE Call Drop, Low Throughput and debugging of field issue with UE logs on request of customer.

● Tested CommScope Small Cell special features like CPU and RRC Load, RP combining, FN features

● Bug tracking and reporting the issues to the respective team and in JIRA tool, and tracking the issue with them.

● Fully understanding of Setup Bring-up procedure for multiple scenarios like Single Cell/Single PCI/Multi Cell/Multi-Band/Single-DU and Multi-DU, etc.

● Functional Testing and log analysis of LTE, VoLTE (Ericsson RRH) for customer T-Mobile (USA).

● Major technical works include execution of test plans designed by T-Mobile in Remote environment, logs collection and their analysis.

● Configuration at eNB side to perform LTE features test and analyzing UE logs.

● Involved in debugging of issue like Radio link failure, Handover failure, VoLTE Call Drop, Low Throughput and debugging of field issue with UE logs on request of customer.

● Basic understanding of NR-5G (ENDC).

● Hands on experience in analyzing logs at protocol stacks level (RRC, PDCP, RLC, MAC) layer processing.

● Bug tracking and reporting the issues to the respective team and in JIRA tool and tracking the issue with them.

● Worked on LTE multi–Band Multi mode (FDD/TDD & Band 800,1900 & 2500) for VoLTE launch in BHARTI UPE circle in live core network.

● Major technical works include validation of LTE basic features with UE logs collected by field test team.

● Validation of various features like Throughput, Handover, Cell selection/Reselection, ANR etc as a part of sanity check for new integrated site.

● Involved in debugging of filed issues and maintaining KPIs like- Accessibility, Retainability, Mobility, Integrity etc.

● Part of RAN team for Sprint operator for Houston Market.

● Log analysis of initial acquisition RACH, Attach/Detach, Throughput.

● Validating LTE Mobility logs of Nemo Investigation on cell level.

● Identification of bad performing cells and corrective measures to maintain the X2/S1 traffic within the defined targets.

● Checking of inconsistencies, Alarms and raise relevance ticket in TRAMS.

● Worked on GSM A-bis interface on MAPS GSM A interface Emulator.

● In touch with NOKIA team for BTS testing in MO call procedure, MT call procedure, Call Failure and Call drop analysis, SD and TCH allocation as per congestion in cells, TRX addition deletion from cell on basis of SD/TCH traffic, LUC procedure.

● Log analysis of newly integrated sites in Delhi/NCR circle in Live network.

● Analyzing TEMS logs of newly integrated live sites and in touch with development team and Network Performance team to measure the overall performance of BTS.