SINR, RSRP, RSSI and RSRQ Measurements in Long Term Evolution Networks

Abstract

The four basic Radio Resource Management (RRM) measurements in Long Term Evolution (LTE) system are Channel Quality Indicator (CQI), Reference Signal Received Power (RSRP), Reference Signal Received Quality (RSRQ), and Carrier Received Signal Strength Indicator (RSSI). A measurement of channel quality represented by Signal to Interference plus Noise Ratio (SINR) is used for link adaptation along with packet scheduling, whereas RSRP and RSRQ are needed for making handover decision during intra-eUTRAN (evolved Universal Terrestrial

In depth performance evaluation of LTE-M for M2M communications

“…Moreover, Signal to Noise Ratio in LTE is proportional to RSRP which also directly affects throughput and increase at its turn. In [26], the following Eq.3 has been proposed relating SNR to throughput where C is the throughput in Kbps, W is the bandwidth of one RB (i.e. 180 KHz), SNR is the signal to noise ratio and α value which vary between 0.1 to 1.…”

“…180 KHz), SNR is the signal to noise ratio and α value which vary between 0.1 to 1. C = β.W.log2 (1+α.snr) [26] (3)…”

Predicting the Probability of Spectrum Sensing with LMS Process in Heterogeneous LTE Networks

“…RSRP is calculated from the transmit power P c , path loss values from cell transmitting to user equipment PL c,ue and additional shadow fading with a log-normal distribution and a standard deviation PL c,fad [9], [12], [25], [26], [27]. It is represented as follows:…”

“…The RSRP is defined as the average power of the resource elements (REs) that carry cellspecific reference signals (RSs) over the entire bandwidth [10]. Whereas the SINR is defined as the ratio of the signal power to the summation of the average interference power from other cells and the background noise [9].…”

“…The RSRP is the most basic measurement performed by the physical layer of user equipment (UE); it is used as an input for cell resection and handover decisions [9]. The RSRP is defined as the average power of the resource elements (REs) that carry cellspecific reference signals (RSs) over the entire bandwidth [10].…”