Neetu Singh

Role & Responsibilities :

• Designing BTS Features: Develop and design features for Base Transceiver Stations (BTS) in both TRS (Transport Radio System) and TRS-OAM (Operations, Administration, and Maintenance) areas.
• Implementing Solutions: Implement the designed features in networks supporting 5G, LTE, WCDMA, and GSM technologies.
• Optimizing Network Performance: Ensure that the implemented features enhance the performance and reliability of the network.
• Troubleshooting: Identify and resolve issues in the BTS transport system to maintain seamless network operations.
• Collaboration: Work closely with other engineering teams and stakeholders to integrate BTS features effectively.
• BTS OAMSIM: An BTS OAM (Operations, Administration, and Maintenance) simulator tool is used for testing the feature in a particular to monitor performance, troubleshoot issues, and optimize configurations without using physical equipment.

LTE/5G Modem Development and Commercialization

Role & Responsibilities :

• Working knowledge of specific 3GPP protocols: RRC, S1AP, X2AP, and NAS.
• Understanding of end-to-end procedures for voice and data call establishment, mobility, and interworking with core network modules.
• Debugging mobile-side issues from the modem protocol stack perspective.
• Analyzing issues from the UMTS/LTE/5G NR (SA, NSA) protocol stack (NAS/MM/GMM/EMM/ESM/RRC/MAC/RLC/PDCP/L1) or from IMS perspectives (SIP/VOLTE/VOWIFI/VILTE/SMS/VONR/VINR).
• Implementing appropriate fixes based on suggestions from SLSI/MTK, if necessary.
• Collaborating with team members to understand similar issues observed in earlier products and making informed decisions.
• Interacting with other components like RIL/Framework/SIM during root cause analysis.
• Analyzing and root causing critical milestone issues within 24 hours.
• Understanding network signaling (Live/TE) to identify and address issues.
• Verifying chipsets/handset features such as MO/MT speech calls, handover, cell selection/reselection, PS/CS calls, and CSFB functionality.
• Hands-on experience with UMTS/LTE/5G NR (SA, NSA) modem protocol stack development or debugging (NAS/MM/GMM/EMM/ESM/RRC/MAC/RLC/PDCP/L1).
• Experience with IMS-related technologies (SIP/VOLTE/VOWIFI/VILTE/SMS/VONR/VINR).
• Familiarity with Samsung chipsets/tools (Shannon DM) or MediaTek (ELT, etc.) chipsets.
• Log analysis expertise for issues like MO/MT speech calls, cell selection/reselection, PS/CS calls, CSFB functionality, dial-up connections, IMS calls, VoLTE, SCG, MCG, RLF, VoNR, etc., across different models.

Job Role : Physical Layer Developer

Responsibilities :

• End-to-End 5G Machine-to-Machine (M2M) Setup Demonstrate the complete M2M communication flow within 5G network.
  Ensure seamless connectivity between devices and network infrastructure.
• Distributed Unit (DU) Compilation and Deployment Compile DU with additional logs.
  Load the compiled DU onto setup.
• User Equipment Simulator (UESIM) Compilation and Deployment Compile UESIM with additional logs.
  Load compiled UESIM onto setup.
• Throughput Testing Run throughput tests on setup.
  Assess network's capacity to handle high data loads.
• DU Defects and Segmentation Faults Resolution Address and fix DU defects and segmentation faults.
  Ensure stable operation of DU.
  

This role requires meticulous configuration, thorough testing, and continuous optimization of the DU and UESIM components to ensure their effective functioning within the 5G network environment.

Job Role : Physical Layer Developer

Responsibilities:

• Understanding of Carrier Aggregation (CA) Technology : Understand concept of CA, a technology that combines two or more carriers into one data channel to enhance data capacity of a network.
• Implementation of CA in 5G New Radio (NR) : Implement CA in 5G NR to provide multi-connectivity with asymmetric upload and download, providing even more bandwidth to a single user.
• Working with Millimeter Wave Frequencies : Work with millimeter wave frequencies, where up to 700 MHz is available.
• Support for Contiguous and Non-Contiguous Component Carriers (CCs) : Ensure that 5G NR CA supports up to 16 contiguous and non-contiguous CCs.
• Aggregation of New 5G Bands : Aggregate new 5G bands up to approximately 1 GHz of spectrum.
• C/C++ Data Structures and Development : Use C/C++ data structures for implementation of above responsibilities.

This role requires a deep understanding of 5G NR and carrier aggregation technology, as well as ability to implement these technologies in a real-world network environment using C/C++.

Role & Responsibilities :

• Designing BTS Features: Develop and design features for Base Transceiver Stations (BTS) in both TRS (Transport Radio System) and TRS-OAM (Operations, Administration, and Maintenance) areas.
• Implementing Solutions: Implement the designed features in networks supporting 5G, LTE, WCDMA, and GSM technologies.
• Optimizing Network Performance: Ensure that the implemented features enhance the performance and reliability of the network.
• Troubleshooting: Identify and resolve issues in the BTS transport system to maintain seamless network operations.
• Collaboration: Work closely with other engineering teams and stakeholders to integrate BTS features effectively.
• BTS OAMSIM: An BTS OAM (Operations, Administration, and Maintenance) simulator tool is used for testing the feature in a particular to monitor performance, troubleshoot issues, and optimize configurations without using physical equipment.