Subrat Kumar Das Email & Phone Number

Allen, Tx, Us

Ridgefield Park, Nj, Us

An experienced telecommunications professional with extensive expertise in 5G ORAN split functions (7-2x, RU, DU, CU-CP, CU-U) and the configuration of 4G/5G components, including ORAN Radios and virtualized RAN (vRAN) systems. I am proficient in analyzing call flows using UE and network logs to identify issues, and skilled in collaborating with teams to troubleshoot test failures while documenting outcomes for stakeholders.Have a demonstrated ability to design test cases for vCU/vDU validation, utilizing Keysight and Anritsu platforms, and implementing automated scripts to improve testing efficiency. Additionally, led RF system validation for LTE/5G to ensure multi-vendor compatibility and compliance with 3GPP standards, while optimizing network performance through detailed data analysis.Effectively managed test environments, documenting comprehensive results and addressing non-conformance issues. Conducted protocol-level testing with tools like Wireshark to validate MIMO and network slicing features, ensuring seamless integration across vendors. Furthermore, Spearheaded regression testing for software releases, identifying root causes and implementing timely solutions, all while meeting project deadlines and quality standards.Also contributed to presales for LTE/5G Neutral Host solutions, collaborating with customers to define technical requirements and acceptance criteria. Developed tailored end-to-end small-cell network solutions, prioritizing neutral host use cases, and worked closely with customers and internal teams to ensure successful implementation.

Chesterfield, Mo, Us

A skilled professional conducted comprehensive site surveys and data collection to identify coverage gaps and optimize cell parameters, significantly improving signal quality in various regions. They collaborated effectively with design teams to implement new sites and upgrades, ensuring alignment with company standards and strategic network improvement goals. Utilizing advanced planning tools like Atoll and Planet, they modeled network performance and anticipated future capacity needs, supporting long-term initiatives. They also pioneered advanced RF optimization strategies, integrating cutting-edge technologies to enhance network efficiency and user satisfaction. Their analysis of drive test data and network KPIs led to the identification of performance issues and the formulation of actionable recommendations for enhancement.

At Ericsson India Global Service Pvt. Ltd., served as the Team Lead in Network Design and Optimization. They have successfully managed key projects and established new business relationships with customers such as STC in Saudi Arabia. With extensive experience in RF planning and optimization, worked across various service areas including 5G-NR, mMIMO, LTE, and GSM RAN. This has provided me with a deep understanding of the 5G-NR architecture, air interfaces, and relevant protocols.I gained the skills to perform performance and functional validation of 5G eNodeB interfaces and vRAN functional allocations. Additionally, hands-on experience in troubleshooting performance issues using LTE and NR traces. My expertise also includes LTE interface protocols, call flow procedures, and cluster-level optimization using MS Project.I have received training from the Ericsson Academy in LTE/5G air interface and functionality. As a result, skilled in network benchmarking, optimization, and service quality monitoring. Notably, led the modernization of LTE networks to improve capacity and coverage. Also conducted RF analysis to resolve performance issues and collaborated with cross-functional teams on network upgrades. Throughout my experience, maintained documentation for designs and procedures to ensure compliance with 3GPP standards for LTE and 5G networks (Releases 15 and 16).

Mumbai, Maharashtra, In

Experienced in RF design and optimization, I have a strong track record of optimizing network performance and reliability. My expertise lies in analyzing field data to troubleshoot network issues and improve user experience. I am skilled in conducting spectrum analysis to ensure efficient radio frequency usage and collaborating on wireless network deployments customized to meet customer needs. Additionally, I have a proven ability to partner with cross-functional teams to develop effective coverage strategies, ensuring optimal resource allocation and seamless network expansions. I am proud to have pioneered the implementation of Self-Organizing Networks (SON) algorithms, which have significantly improved network optimization and reduced manual interventions. I am also proficient in conducting thorough performance analyses using industry-standard tools, successfully fine-tuning network parameters to enhance customer satisfaction and experience.