P Suryaprakash

About P Suryaprakash

Senior UE/RAN Test Engineer (5G & LTE)10 years of experience in end-to-end network testing, protocol analysis, and feature validation. Technical Expertise: RAN/UE Testing: 5G SA/NSA, LTE, Carrier Aggregation, MIMO, and VoNR. Protocol Analysis: Expert in S1/X2/Xn interface connectivity and L3 signaling (RRC, NAS). Network Ecosystems: Extensive experience with Ericsson Radio Systems (BB52XX/BB66XX) and multi-vendor integration. Automation & Tools: Anritsu CAT, Viavi TM500, QXDM, and Wireshark. I am passionate about ensuring network reliability through rigorous 3GPP-compliant testing and performance verification

Experience

1. Senior Engineer

   Tata Consultancy Services

   Jul 2023 — Present · Bengaluru, IN

   RAN Test Engineer | TCS (Tejas Networks Project)End-to-End RAN Integration & Core Interworking•System Integration: Performed rigorous integration testing of Tejas eNodeBs and gNodeBs with 4G (EPC) and 5G (5GC) Core network nodes, including MME, SGW, AMF, and UPF.•Interface Validation: Verified signaling stability and protocol compliance across S1, X2, and Xn interfaces to ensure seamless connectivity between the Access and Core networks.•Service Verification: Conducted E2E functional testing for mission-critical services, including Voice (VoLTE/VoNR), Data, SMS, ETWS, and Emergency Call procedures.3GPP RAN Feature & Protocol Testing•Feature Validation: Executed test cases for advanced 3GPP-compliant RAN features such as Carrier Aggregation (CA), Massive MIMO, TTI Bundling, ROHC, and 256QAM modulation.•Mobility Testing: Validated Inter/Intra-frequency and Inter-RAT (LTE ↔ WCDMA ↔ GSM) handover logic using programmable attenuators and network simulators to simulate real-world mobility scenarios.•Signaling Analysis: Analyzed handover execution by monitoring A3/A5 event triggers, hysteresis, and time-to-trigger parameters via L3 signaling and S1AP/NGAP PCAP analysis.Protocol Analysis & Troubleshooting•Deep-Dive Debugging: Utilized Wireshark and UE traces to perform root-cause analysis of L3 signaling failures and protocol errors, documenting technical defects in JIRA.•KPI Verification: Used ENB counters to verify RAN performance metrics, specifically focusing on Accessibility, Retainability, and Mobility success rates.•Advanced RAN Functionality: Verified the functional logic of ANR, MDT, CCO, and QoS/QCI mapping within the eNodeB software.Test Lifecycle & Documentation•Release Validation: Executed regression and sanity test suites for new software builds, hardware upgrades, and the activation of new frequency bands.

Education

• Jawaharlal Nehru Technological University

  B.Tech, Electronics and CommunicationEngineering

  2008 — 2012

• Board Of Intermediate Education

  Intermediate, m.p.c

  2006 — 2008

• School Of Secondary Education Board

  Ssc

  2005 — 2006

• NIZAM INST OF ENGG AND TECH

  B.TECH, ELECTRONICS AND COMMUNICATION ENGINEERING

  2008 — 2012