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LTE RSRP, RSRQ, RSSI Calculator

In this page we present a simple LTE RSRP & RSRQ calculator. The calculation is performed based on RSSI and channel Bandwidth considered.

The formulas used in within the calculator is below, where:

  • RSRP is the Reference Signal Received Power and is measured in a single RE of the LTE REsource Block. Hence, RSRP is also called as average received power of a single reference signal RE (Resource Element)
  • RSRQ is the Reference Signal Received Quality
  • RSSI is measured over entire bandwidth of occupied RBs (Resource Blocks)
LTE Channel Bandwidth(Enter:1.4/3/5/10/15/20MHz):

RSSI in dBm :

RSRP in dBm (Output#1):

RSRQ in dBm (Output#2):

Physical RBs per channel BW (Output#3):

*Note: Enter values in INPUT boxes and Press CALCULATE button to check OUTPUTS.

LTE RSRP and RSRQ CALCULATOR EXAMPLE:

  • Input : BW = 10 MHz , RSSI = -79 dBm
  • Outputs : RSRP (dBm) = -106.78 dBm ; RSRQ (dBm) = -10.79dBm ; PRBs/BW = 50

LTE RSRP and RSRQ CALCULATOR formula or equations

Following equations are used in the calculator:

RSRP=RSSI – 10LOG(12*N)

RSRQ = N*(RSRP/RSSI) or RSRQ = 10LO(N) + RSRP(dBm) – RSSI(dBm)

Where:

  • N = Number of RBs as per Channel Bandwidth
    • N=6 for  1.4 MHz
    • N=15 for 3 MHz
    • N=25 for 5 MHz
    • N=50 for 10MHz
    • N=75 for 15 MHz
    • N=100 for 20MHz
  • RSRP= Average Received Signal Power of a a Singel Resource Element (RE) – In LTE there are 84 RE in a single RB
  • RSRQ=Power measured over the entire BW of occuped RBs

For any further details please refer to:

  1. RSRP and RSRQ Measurement in LTE
  2. RSRQ to SINR Relation

L'articolo LTE RSRP, RSRQ, RSSI Calculator sembra essere il primo su laroccasolutions.



This post first appeared on Tech LTE Blog Laroccasolutions, please read the originial post: here

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