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5G NR Resource Grid Visualization
5G NR Resource Grid Visualizer is an interactive tool that renders the complete time-frequency structure of a 5G New Radio radio frame (10ms) across configurable bandwidths from 5–100 MHz and subcarrier spacings of 15/30/60/120 kHz, automatically computing the correct number of resource blocks per 3GPP TS 38.101. It maps all major physical channels and signals — SSB (PSS/SSS/PBCH), CORESET 0, PDCCH, PDSCH, PUSCH, PUCCH, PRACH, and both DL/UL DMRS — onto the resource grid at t
Venkateshu Kamarthi
3 days ago2 min read


5G NR SSB ARFCN Calculator
Introduction The 5G NR SSB ARFCN Calculator is a comprehensive web-based tool designed for telecommunications engineers, network planners, and RF specialists working with 5G New Radio (NR) networks. This calculator performs precise conversions and calculations related to Synchronization Signal Blocks (SSB) and Absolute Radio Frequency Channel Numbers (ARFCN) based on 3GPP specifications. What is SSB? The Synchronization Signal Block (SSB) is a fundamental component in 5G NR t
Venkateshu Kamarthi
May 176 min read


O-RAN Fronthaul Delay Management Tool
What this tool does The O-RAN Fronthaul Delay Management Tool helps engineers translate O-RU timing capabilities + transport delay budgets into valid O-DU configuration ranges—fully aligned with O-RAN WG4 CUS-plane (Open Fronthaul) timing relationships. Instead of guessing delay values or manually working through inequalities, the tool: Applies WG4 constraint equations (DL/UL, U-plane & C-plane) Computes valid bounds (min/max) for O-DU parameters Flags invalid timing windows
Venkateshu Kamarthi
Apr 232 min read


5G Massive MIMO Beamforming Visualization
Overview This interactive tool demonstrates industry-standard 5G massive MIMO beamforming based on 3GPP specifications. It visualizes how phased antenna arrays create directional beams through constructive interference, allowing users to understand the fundamental principles behind modern cellular base stations. Key Capabilities 1. Configurable Array Parameters: Antenna elements: 8 to 256 (dual-polarized: -45° and +45°) Antenna spacing: 0.3λ to 1.0λ (typically 0.5λ to avoid g
Venkateshu Kamarthi
Apr 132 min read
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