Ranjeet Kumar Patro

Product Management: O-RU

• On-boarded partner radios and strengthened radio portfolio based on market demand, RFP data, strategic bands.

• Interfaced with Radio vendors for radio feature support and development.

• Participated in operator RFP/RFI and submitted technical compliances related to HW

• Submitted pricing and commercials related to HW

• Support the Pre-Sales/Sales team to present and defend the Rakuten Symphony proposed HW solution

Radio IOT:

• Carried out the Pre-IOT checklist discussion and IOT profile agreement discussion with Radio vendors

• Techno-commercial discussion with 3rd Party Labs to do Radio IOT

• IOT execution plan

Product Management

• Defined and maintained product roadmap for Open RAN O-DU and O-CU.
• O-RAN Standardization - Represented Radisys in O-RAN WG3 (Near-RT RIC) and WG4 (Open FH).
• Participated in 5G ACIA and 3GPP meetings and tracked the developments in Rel 15 and Rel 16 specifications, e.g. Features such as URLLC, TSN, eMIMO, IAB, NR-U etc.
• Made organization level presentation on 3GPP Rel 15 and Rel 16 features.
• Developed and maintained courteous and effective working relationship with development and sales team.

Business Development

• Responded to as many as 17 RFPs from different operators, vendors and OEMs, over the past 2 years.
• Engaged with customers and sales team at the technical level to get business for Radisys, includes few key strategic design wins.
• Executed SD-RAN trial activities to demonstrate RIC Usecases at a operator lab in Europe.
• Helped to develop partnership in the areas of Open RAN.

• Identified features and gathered requirements for various releases of the vRAN product and contributed towards RAN BU roadmap
• Designed and documented RAN features for the development team and closely tracked the feature development
• Responded to a RFI from a greenfield Open RAN operator

• High Level SW Design of 5G NR PDCP/RLC/MAC support in 5G NR BSS for pre-silicon verification of Intel’s XMM8x60 chipset
• Closely followed 5G NR specification development (38.321, 38.322, 38.323, 38.331, 38.211, 37.340) and delivered tutorials to multiple teams across the BU
• Guided team for E2E Integration testing with UE
• Integration testing of SS/PBCH/RACH,
• NR System Level Measurement, DL/UL Transmission of RRC data, DL/UL Trans- mission of User Plane data

• Development of D-MIMO (4x2 configuration) feature on a Freescale B4860 Base
• Station SoC, for a cloud RAN LTE small cell system
• Demonstrated increase in diversity order and average UE rate

• Project 1: Pre-5G mmWave Testbed Development - Focus on Control Plane - Design and implementation of control plane protocol to support UE handover at 60km/h
• Implemented and tested following procedures: Random Access, DL and UL
• Control Signaling, Beam Setting, Handover in 2-Cell and 3-Cell scenarios
• Designed and implemented a modem control algorithm to interface with SLP and FPGA
• Designed and implemented a new HO procedure suitable for mmWave beam- formed system that achieves HO interruption delay of 20-25ms
• End-to-end field testing of a 5G Network comprising of a Serving GW, 3 BSs and 2 UEs
• Performed numerous field tests to assess the impact of UE mobility on DL throughput in the 5G Network
• Architected and proposed an UE platform based on TCI6638K2K - Multicore
• DSP+ARM KeyStone II SoC and Altera FPGA
• R.K.Patro, 3 of 4
• Project 2: Pre-5G mmWave Testbed Development - Focus on Data Plane - Designed a new receiver architecture and implemented the same on a multi- core platform to achieve downlink data rate of 3.75 Gbps
• Tested and contributed towards improvement of 5G BS transmitter protocol ar- chitecture to achieve DL data rate of 3.75 Gbps
• Tested performance of RLC protocol with UHD video and FTP application in the lab and field trials
• Part of the team that demonstrated ”world’s first successful test” of mmWave radio technology, establishing a throughput of 1.2 Gbps at 100 km/h, and estab- lishing a new record for stationary communications of 7.5 Gbps
• Project 3: LTE Protocol Stack Verification and Validation - Developed Rapid Test Design Scripts on a LTE Signalling Tester to check the conformance behavior of the protocol stack
• Ported Samsung modem solutions to Samsung flagship product and performed first level log analysis
• Verification of the RRC, RLC, PHY, MM measurements during various Field
• Tests
• Logs analysis, trace capture for defects found during various tests conducted
• Project 4: Standardization - IEEE 802.15.6-Wireless Body Area Network - Designed and developed a power-efficient MAC protocol to address the func- tional requirements of implant and on-body communications - rated best among all MAC proposals at IEEE 802.15 WG
• In the capacity of Vice Chair at IEEE 802.15.6: (a) Oversaw the development of 802.15.6 specification - from scoping out the technical requirements to the release of the specification
• (b) Played a pivotal role in harmonizing MAC solutions from different organization and merged them into a single solution for the MAC chapter of the draft specifi- cation
• (c) Assisted chair of IEEE 802.15.6 in facilitating the meetings and conference calls as and when required
• Successfully incorporated SAMSUNG proposed mechanisms into the standard specification
• Authored and contributed towards the development of IEEE 802.15.6 standard- isation documents: Technical requirement document, comparison criterion doc- ument, application specification document and 802.15.6 standard specification.

• Project 1: Testing and development of IEEE 802.15.4b firmware - Tested the