What is RSSI, RSRP, RSRQ and SINR? Table with signal values - are you on cell edge or excellent?

What is #RSSI, #RSRP, #RSRQ and #SINR - Dr Andre Fourie
RSSI - Received Signal Strength Indicator
RSRP - Reference Signal Received Power
RSRQ - Reference Signal Received Quality
SINR - signal-to-interference-plus-noise ratio
SNIR - Signal-to-noise-plus-interference ratio
SNR - Signal to Noise Ratio.
Link to an article with the table showing the RSSI, RSRP, RSRQ and SINR values Andre is discussing here: poynting.tech/....
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[@kevinrtres]

Thank you for the clear explanation and advice.

[@boris9331]

I get useable internet for browsing with an RSRI of 115 and RSRQ 15 on 4G, I don't suppose then 100 is quite the Cell edge? unless my Cellmapper app isn't reporting the right values?

[@poyntingantennas]

Good morning. RSRP at -115dBi is still usable, but to a certain extend. The table for acceptable values is shown at 00:54 on the video. So the signal for this particular viewer, given the values he provided, still is considered usable as it's not weaker than -120dBi. Thanks.

[@hasansattar1661]

Hello doctor, please, I have a user moving inside the cell and I need to calculate the RSRP for the serving cell and the neighboring cells for each time period. What is the appropriate mathematical equation for this? Thank you very much.