Configure a real downlink resource grid and watch every channel and signal map onto it live — generated straight from the 3GPP rules, right here on the blog.
Numerology μ=0–4, BWP & Point A, SSB (cases A–E), CORESET/PDCCH, PDSCH with DM-RS, CSI-RS and TDD slot formats — all rendered live.
Open the 5G NR tool 4G 4G LTE · DownlinkFixed 15 kHz grid with PSS/SSS/PBCH, cell-specific RS, PCFICH/PHICH/PDCCH, FDD & TDD, MBSFN and a jump-to marker for any resource element.
Open the 4G LTE tool