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Understanding LTE Signal Strength Values

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Article Number000004199
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Below is a chart that shows what values are considered good and bad for the LTE signal strength values:
 
User-added image
 
Below are explanations of these values (and also RSSI in relation to LTE):
 
SINR/SNR – The signal-to-noise ratio of the given signal.
RSRP – The average power received from a single Reference signal, and Its typical range is around -44dbm (good) to -140dbm(bad).
RSRQ – Indicates quality of the received signal, and its range is typically -19.5dB(bad) to -3dB (good).
RSSI – Represents the entire received power including the wanted power from the serving cell as well as all cochannel power and other sources of noise and it is related to the above parameters through the following formula:

RSRQ=N*(RSRP/RSSI)

Where N is the number of Resource Blocks of the E-UTRA carrier RSSI measurement bandwidth.
 

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