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5G NR PRACH Resource Grid Visualizer
What this tool is This tool that turns the rach-ConfigCommon / rach-ConfigGeneric fields broadcast in SIB1 into a visual picture of the actual time–frequency resource grid the UE's PRACH preamble is transmitted on — which resource blocks, which subcarriers, which subframe, slot and OFDM symbols. It's meant for RAN/protocol engineers who want to sanity-check a PRACH configuration, explain the config to someone else, or build intuition for how SIB1 parameters map onto the physi

Venkateshu Kamarthi
Aug 284 min read


eAxC_ID Composer / Decomposer for 5G/O-RAN fronthaul
eAxC_ID Composer / Decomposer is an interactive tool for working with O-RAN fronthaul eAxC_IDs, where the 16-bit identifier is split into DU_Port_ID, BS_ID, CC_ID, and RU_Port_ID fields. Instead of hardcoding a fixed bit layout, the tool lets you define each field's bitmask yourself, so it adapts to any O-RAN eAxC_ID convention — including non-contiguous bit assignments — and flags overlaps or uncovered bits in real time on a live bit-grid. It supports two workflows: Construc

Venkateshu Kamarthi
Jul 181 min read
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