LTE UEs typically use SINR to calculate the CQI (Channel Quality Indicator) they report to the network. It is not reported to the network. SINR is used a lot by operators, and the LTE industry in general, as it better quantifies the relationship between RF conditions and Throughput. SINR is a measure of signal quality as well but it is not defined in the 3GPP specs but defined by the UE vendor. N: indicates background noise, which is related to measurement bandwidths and receiver noise coefficientsĪll quantities are measured over the same bandwidth and normalized to one subcarrier bandwidth.I: indicates the average interference power – the power of measured signals or channel interference signals from other cells in the current system.Reference signals (RS) and physical downlink shared channels (PDSCHs) are mainly involved S: indicates the power of measured usable signals.In this page we highlight some of question about SINR & RSRQ relations. You can find more info about RSRP & RSRQ in our page: RSRP and RSRQ Measurement in LTE SINR (Signal to Interference & Noise Ratio).RSRQ (Reference Signal Received Quality).In this particular example, three measurement quantities are used OFDM (Orthogonal Frequency Division Multiplexing).MIMO Radio Antenna Technology White Paper.802.11ay wireless technology: Next-gen 60GHz WiFi.CableFree MMW E-Band Regulation by OFCOM in the UK.XPIC – Cross Polarization Interference Cancellation.Low Latency Technology for Wireless Networks.FSO: VCSEL and Laser Devices Comparison.FSO Guide – Free Space Optics, Optical Wireless.LTE S5/S8 Interface: Between the S-GW and P-GW.LTE S1 Interface: LTE RAN to Evolved Packet Core.Remote Management of CableFree LTE CPEs using TR-069.LTE Network Latency compared with 2G, 3G & WiFi.LTE Frequency Bands & Spectrum Allocations.5G Frequency Bands & Spectrum Allocations.CPRI Interfaces for 4G & 5G Base Stations.Wireless Internet Service Provider (WISP).Mobile, Temporary and Disaster Recovery.Fibre Cut – Avoiding Network Outage Using Wireless.Broadcast Television & Satellite Uplinks.CableFree Sapphire – High Performance MIMO Radio.CableFree Pearl – High Performance MIMO Radio.Custom SIM cards for 4G LTE & 5G NR Networks.CableFree Industrial 4G LTE CPE devices.CableFree Enterprise 4G LTE CPE devices.
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