UE Measurement- Reference Signal Received Quality (RSRQ)

//UE Measurement- Reference Signal Received Quality (RSRQ)

UE Measurement- Reference Signal Received Quality (RSRQ)

UE Measurement- Reference Signal Received Quality (RSRQ)

UE Measurement- Reference Signal Received Quality (RSRQ)

RSRP measures the average received power of the reference signals. It is a Received Signal Strength (RSSI)- type of measurement. It does not provide information about interference.

In some areas, even though the RSRP is high, the ultimate user experience may not be good since the interference is also high. In order to address this issue, Reference Signal Received Quality (RSRQ) is defined to measure C/I of the reference signal.

In the equation, the numerator represents the received power of reference signal. The “N” is used to make sure the measurement of RSRP and carrier RSSI are done on the same bandwidth.

The denominator represents all the power received, including co-channel serving and non-serving cells, adjacent channel interference, thermal noise, etc.

The carrier RSSI is the average total received power observed in OFDM symbols for antenna port 0 (i.e., OFDM 0 & 4) in the measurement bandwidth.

RSRQ is measured for a UE in active mode & can be used for handover decisions.

You may also like to go through What is RF Optimization?, 4G-LTE KPIs, 3GPP Accessibility KPI, Retainability KPI in LTEThroughput KPI & Latency KPI, Mobility KPICell Availability KPI in LTE, Coverage of an LTE CellCell-specific DL Reference Signal and UE Measurement- Reference Signal Received Power (RSRP).

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2018-12-17T11:12:33+05:30
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