Rajiv Gupta

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Rajiv Gupta, VP Technology, is an experienced Wireless R&D professional and has delivered multiple generations of wireless technology solutions and software. He currently leads the wireless innovation and system engineering team and drives the NTN charter at Radisys.
Beam Hopping for 5G NTN: Optimizing Satellite Coverage Through Intelligent Scheduling

Beam Hopping for 5G NTN: Optimizing Satellite Coverage Through Intelligent Scheduling

Article & Insights
Beam Hopping in 5G NTN enables dynamic allocation of satellite beams to high-demand areas, enhancing coverage efficiency and resource utilization. This blog by Rajiv Gupta of Radisys explores the technical requirements, scheduling challenges, QoS considerations, and key system components behind this advanced satellite communication strategy, while highlighting how Radisys’ 3GPP Release 18-compliant Multi-RAN software empowers operators to implement it effectively.
Beam Hopping for 5G NTN: Optimizing Satellite Coverage Through Intelligent Scheduling

Beam Hopping for 5G NTN: Optimizing Satellite Coverage Through Intelligent Scheduling

News
Beam Hopping in 5G NTN enables dynamic allocation of satellite beams to high-demand areas, enhancing coverage efficiency and resource utilization. This blog by Rajiv Gupta of Radisys explores the technical requirements, scheduling challenges, QoS considerations, and key system components behind this advanced satellite communication strategy, while highlighting how Radisys’ 3GPP Release 18-compliant Multi-RAN software empowers operators to implement it effectively.
Quasi-Earth Fixed Beam vs. Earth-Moving Beams

Quasi-Earth Fixed Beam vs. Earth-Moving Beams

Article & Insights
This article breaks down the core distinctions between Quasi-Earth fixed beams and Earth-moving beams in LEO/MEO satellite networks. It explores their application in both transparent and regenerative NTN architectures, the dynamic association of beams to ground cells, TAC list management, and the implications for UE mobility and network signaling.
A fully regenerative NTN architecture, featuring a 1:1 CU and DU mapping on the payload, inter CU handovers and additional CPU and memory on-board.

Regenerative Non-Terrestrial Network (NTN) Deployment Architecture

Article & Insights
Learn about regenerative non-terrestrial networks (NTNs) and their role in advancing global connectivity. This article explores the differences between partial and fully regenerative architectures, key handover mechanisms, and the challenges and opportunities associated with satellite-based mobile connectivity.
5G NR Transparent NTN: Deployment Aspect and Challenges

5G NR Transparent NTN: Deployment Aspect and Challenges

Article & Insights
This article explores the deployment of 5G NR Transparent Non-Terrestrial Networks (NTNs), detailing the architecture’s advantages and challenges. It highlights how this “bent-pipe” NTN approach integrates ground-based gNodeB components with NGSO satellite constellations to expand global connectivity. Key challenges like moving beam management, interference mitigation, and latency are discussed, underscoring the potential and complexities in achieving seamless satellite-based mobile communication.
The Evolution of Non-Terrestrial Networks: From Experimental Beginnings to Global Connectivity

The Evolution of Non-Terrestrial Networks: From Experimental Beginnings to Global Connectivity

Article & Insights
Non-terrestrial networks (NTNs) have evolved from experimental satellite systems to integral components of global connectivity. The transition from geostationary satellites to low Earth orbit constellations has significantly enhanced mobile broadband services. With the adoption of 3GPP standards, NTNs now seamlessly integrate with terrestrial networks, providing expanded coverage and new opportunities, especially in underserved areas. This evolution is set to transform telecommunications by enabling innovative applications across various sectors.

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