The greater the RSRQ value, the less interference the signal is getting from other cells operating at or near the same channel. Rinner = hT − hR tan(ADT + θBW) 2 R i n n e r = h T − h R t a n ( A D T + θ B W) 2. 1-1. Instead, in this article we would like to highlight some of question about SINR & RSRQ relations. Measurements during rush hours using Telkomsel provider results in better RSRP value than XL Axiata provider. 021 watt (take care anyway that also the Path. The best value of RSRP is about -3 dB and worst value can be -19. In this page we highlight some of question about SINR & RSRQ relations. RSRP is also used to estimate the path loss for power control calculations. 4. Transmit end beam refinement in DL direction using CRI-RSRP feedback. Lets try to calculate RSRP, RSSI and RSRQ for one very simple case of one resource block with 12 sub carriers and 0. RSRP (Reference Signal Received Power) RSRQ (Reference Signal Received Quality) SINR (Signal to Interference & Noise Ratio) You can find more info about RSRP & RSRQ in our page: RSRP and RSRQ Measurement in LTE. RSSI = Serving Cell Power + Neighbour Co-Channel Cells Power + Thermal Noise. Rinner R i n n e r = inner radius of coverage. 6. Therefore, the UE’s. e. g. The present invention relates to the field of communications. RSRP Reference Signal Received Power RV Redundancy Version SCI Sidelink Control Information SCS sub-carrier spacing SI Study Item SLRRC Sidelink Resource Reselection Counter SPS Semi-Persistent Scheduling SUMO Simulation of Urban MObility TBS Transport Block Size TDD Time Division Duplex TDMA Time-Division Multiple Access. Position of SSB in Frequency Domain : Variable (Configurable) meaning 'No need to be at the center frequency'. As RSRQ is a ratio of two signal powers with same same unit ( i. Since the logarithmic ratio of 100 subcarriers to one subcarrier is 20 dB (e. 97 ››› -140 . To calculate RSRP, the power in each one of those subcarriers is averaged. Following equations/formula are used in this LTE PCI calculator which helps in PSS/SSS to PCI conversion and vice. g. . Similarly Hysterysis IE value is calculated as IE Element * 0. In (D), you see all the measurement appears again and the pattern is pretty similar to (A) and (B). RSRP does a better job of measuring signal power from a specific sector while potentially excluding noise and interference from other sectors. 86–−73. For details about PSS, visit: 5GNR: Primary Synchronization Signal (PSS), for SSS, visit 5GNR: Secondary Synchronization Signal. Meanwhile, the throughput value of the hybrid NB-IoT. 2. 214, where N is the number of RBs over the measurement bandwidth. What is SINR ? Followings are topics covered in this page. 211 shall be used. Device Hardware Type, dev. Channel width in MHz. 1 Reference and true receiver sensitivity According to [2] and [5] receiver sensitivity measurements are using data throughput rate R (i. why ss not ps is used because after ue. RSSI. . The method also. Similar. The mean SINR is 12. 1. Received signal strength indication; Signal strength in telecommunications;After identifying the PBCH-DMRS sequence (and, therefore the SSB index), the receiver should know where the reference signals are located (in k and l), and, therefore, perform channel estimation. LTE RSRP and RSRQ CALCULATOR formula or equations. Range of RSRQ varies from -19. Distance between UE – BS, jj~l BS ~l. Parameters under this configuration are used for initial Bandwidth Part (BWP) calculations for both downlink (DL) and uplink (UL) which decide access to the NR cell after a specific trigger. The formula/equation used in LTE RSRP and RSRQ calculator are also mentioned. Thanks to RSRP, it is possible to compare the strengths of signals from individual cells in 5G networks. PC-VI/5. 214 version 9. RSSI is the total received wideband power including all interference and thermal noise. Two measurement criteria such as RSRP and RSRQ are used to make a cell reselection or HO decision. ETSI 3GPP TS 38. Let’s say Pa = -3, this implies Reference Signal is 3 dB stronger. C. 5 = -3 dB During handover, operators can configure paramete for UE to do measurement of RSRP alone or RSRQ or both. cellSelectionInfo. e. 3: (gNB calculate RA-RNTI based on. Table 9 shows the standard RSRP values and signal quality category. 198/2009: E(W)2008/ED-2/4. the online RSRP and the reference point RSRP are calculated. The terminal according to claim 1,. LTE signal bar calculation. 1Orthogonal frequency-division multiplexing. 5G에서는 SS-RSRP (Synchronization Signal), CSI-RSRP (Channel State Info. Reference Signal Power Calculation: Once the reference signals are detected, the mobile device calculates the received power level of the reference signals. csv file. That is, the occupancy time of the CSI processing unit required for semi-persistent CSI reporting: from a first symbol in an earliest transmission occasion of a periodic or semi-persistent CSI-RS resource or SSB resource for RSRP measurement for RSRP calculation to Z after a last symbol of a latest RS resource in a transmission occasion of a. The entire content and disclosure of which. When the RSRP and/or RSRQ of the serving cell fall(s) below the RSRP and/or RSRQ of the neighbor cell by a predefined HO margin for certain period of time, handover occurs. 2. Fields Account• Powerfalls off proportional to net antenna gain GtGr which combines the transmit and receive antenna gains Gt and Gr, respectively. Schematic diagram of the RSRP calculation method LTE System Performance Evaluation 333. Provided are a method for acquiring a reference signal received power and a network side device. Note that the accuracy of the PCI detection, channel estimation, and hence, 3D RSRP interpolation depend heavily on the accuracy of time/frequency synchronization and cell search procedures at the receiver. What is the relationship between RSRP and SINR? Calculation of SINR, having the RSRQ. 5dB; - RSRP Neighbor Cell A3 condition metAfter having obtained the S-RSRP map, the UE uses the map to determine which resources are free in the resource selection window. Enter the Frequency, MHz *. . 34 ››› -19. 6. This document also presents quantitative and visualised methods for evaluating service experience. Group Value) = 100 OUTPUT : PCI = 301 Note: PCI value ranges from 0 to 503. Download Throughput calculation. 215 version 16. Matlab Toolbox : 5G Library : PUCCH Format 1. dBm) it uses dB as a measurement. It is the average power received from a single reference signal resource element. . 133 V8. Note: Because an RSSI value is pulled from the client device’s Wi-Fi card (hence “received. 23. Local Cell ID) = 1, SSS (i. communication. #2. 214 version 15. As there are 2 cell specific reference signal resource elements per OFDMA symbol so the calculation becomes: RSRQ = RSRP / (RSSI / N) = RSRP / (2 x RSRP x N/ N) = 0. In order to do so, it compares the expected S-RSRP with a threshold. 0. 5 . Since this is the averaged value, the value would be similar to EPRE value you set for the Reference Signal. 2. Tx Power = Target Rx Power set by gNB + PathLoss factor + MCS factor + RB factor + Power Control Command. Components of SSB : PSS (Prinmary Sync Signal),SSS (Secondary Sync Signal) and PBCH. . Before we describe our measurement setup, we will first. SNR (Signal-to-Noise Ratio) is a ratio based value that evaluates your signal based on the noise being seen. 133 range 0 . - MCS/TBS/Code Rate. 0 (2010-04) Intellectual Property Rights IPRs essential or potentially essential to the present document may have been declared to ETSI. 5dB to -3dB (integer value. Terminal’s RSRP calculation formula is as shown: In formula 4, is the transmit power of sector on reference signal on subcarrier. The reporting range of “SS-RSRP and CSI-RSRP for L1” reporting is defined from -140 to -44 dBm with 1 dB resolution The mapping of measured quantity is defined in Table 10. The formula for 5G NR ARFCN is described in 3GPP TS 38. You’ll see something like one of the screens below. Measurement EnvironmentRSRQ is defined as (N x RSRP)/RSSI in 3GPP 36. E-UTRA Carrier Received Signal. PRGSize — Precoding resource block group (PRG) size for the CQI calculation (required only when the reporting must be done for the report quantity 'cri-RI-i1-CQI' and CodebookType is configured as 'Type1SinglePanel', as defined in TS 38. DL CSI acquisition. Signal Power Setup. tooltip. The SS-RSRP parameter increased by 0. getPrivateProperty<CellSignalStrengthLte, Int> ("mSignalStrength") val rssiValue = (signalStrength?. At first, channel estimation is performedRSRP - Reference Signal Received Power The power, expressed in decibel-milliwatts, of the reference signal received from the cell tower. In this letter, the accuracy of the reference signal received power (RSRP) measurement carried out by an LTE user equipment (UE) is analyzed. This example will show how to use the LTE Toolbox™ to configure the test environment in TS 36. Period of SSB transmission : ms5, ms10, ms20, ms40, ms80, ms160 but ms20 (20ms interval) is most common. You can calculate coverage areas and customize your results. If not…. rach-ConfigBFR: It provides the config for contention free random access occasions for BFR. It helps network operators assess the reach of a base station and identify coverage gaps or areas with weaker signal strength. When an almost blank subframe emerges within a cell, reduced feedback overhead is allowed to be utilized for acquisition of the wireless resource. 5G RSRP RSRQ SINR Conversion MappingThe UE reports RSRP and RSRQ in the measurement reports but these values are not in dBm and need to be converted. R1 may be used in addition to R0 to determine RSRP if UE is able to detect reliably that R1 is available. Visit a Branch. RSRQ = N x RSRP / RSSI. LTE RSRP is calculated for useful part of OFDMA symbol and will not consider. 6 GHz was 436. 021 watt Since RSRP is linear average of. a3Offset RSRP LNCEL; -15. Measurement Environment Before we describe our measurement setup, we will first overview our measurement environment. 전체 대역폭과 협 대역에 걸쳐 확산된 LTE 기준 신호의 힘입니다. SNR (Signal-to-Noise Ratio) is a ratio based value that evaluates your signal based on the noise being seen. A. 2. The formula used in 5G NR throughput (i. SS-RSRP is an important metric used in various aspects of cellular network operation, including: Coverage Evaluation: SS-RSRP measurements provide insights into the coverage area and signal strength of the serving cell. Based on the calculate RSRP in the UE. Where: ADT A D T = antenna downtilt in degrees. Getting the cell signal strength reading on an iPhone is possible if your carrier and the chipset in your phone both support it. •The basic idea on RSRP/RSRQ in NR is also similar to LTE RSRP/RSRQ. 0 Release 16 5 ETSI TS 138 215 V16. 9. Rohde & SchwarzThe reference point for the RSRP shall be the antenna connector of the UE . LTE SINR Definition. Interference measurement. 1. Direction equal to the geometric centre of the half-power contour of the beam. UE measures the power of multiple resource elements used to transfer the reference signal but then takes an average of them rather than summing them. RSRP (Reference Signal Received Power) RSRQ. So let's look at the components of the SNR and they see how to determine it. Based on following events, triggering of measurement reports occur. RA-RNTI is calculated by the following equation according to 38. 331 f03), messageClassExtension is not defined. This disclosure describes methods, systems, and devices for measuring a reference signal received power (RSRP) in a user equipment (UE) that operates in machine type communication (MTC). I found a way to measure RSRP, Asu Level and other LTE network measurements using methods getCellSignalStrength() and getCellIdentity() from the class CellInfo. For the uplink (UL) MCL calculation, the PA power of the UE is used. At this step, UE transmit PRACH Preamble with RA-RNTI if all the condition for PRACH transmission is met. Firstly, the measurement model of RSRP is established through the measured data. LTE Metrics including RSRP, RSRQ and SINR. 0004 An existing RSRP calculation method comprises the following steps. So, RSRQ = RSRP / (2RSRPN/N) =1/2=0. S ≡ P RE S = P Tx L × N FFT 2 12 N grid size and. . The mapping of measured quantity is defined in the table below: RSRP mapping 3GPP TS 36. MsgB–RNTI is calculated based on the time-frequency information of random access resources selected by UE, which reused the design of RA–RNTI. The 5G NR Throughput Calculator is developed as per 3GPP TS 38. 5 ms in time domain. The values of RSSI and RSRP are used for the calculation. 3, the record is as below: When -110dB <= RSRP < -105dB, the mean throughput is 2. Moreover, the operator’s pathless data to various cells (L ue) and shadow fading having log-normal distribution plays a role in RSRP calculation. Example 1 >: RSRP/RSRQ/SINR at relatively stationary environment . LTE Channel Bandwidth: Enter: 1. Let’s assume the power of reference symbols (shown by red square) and power of other symbols carrying other data channels (shown by blue square) is same i. * RSSI (Received Strength. . ss-rsrp is the linear average over the power contributions of the resource elements received over secondary synchronization signals. • RSRP computation. RSRP (Reference Signal Received Power) RSRQ (Reference Signal Received Quality) SINR (Signal to Interference & Noise Ratio) You can find more info about RSRP & RSRQ in our page: RSRP and RSRQ Measurement in LTE. 5 ms in time domain. A. These synchronization signals, which are specific to each cell, are transmitted using the source elements. 5G NR Throughput calculator. The A3 event occurs when the measurement of the signal received from. – –LTE code rate calculator LTE EARFCN vs Frequency converter LTE PCI calculator LTE RB calculator LTE RIV calculator LTE RSRP and RSRQ calculator LTE throughput calculator. Years to Retirement Total Savings ($) 0 50k 100k 150k 200k 250k. It can be counted as follows. It is the power of the LTE Reference Signals spread over the full bandwidth and narrowband. In any technology, Measurement is done roughly at two stage. The invention discloses a measurement and feedback method of radio resource management information, a base station and user equipment and relates to the communication field. We define the linear path loss of the channel as the ratio ofPerform regression predictions for Reference Signal Receiving Power (RSRP). The UE reports RSRP and RSRQ in the measurement reports but these values are not in dBm and need to be converted. Reference is the reference power (for example, 1 mW). Similarly, in some report, the UE also adds SS-SINR and that also needs conversion. LTE RSRP is calculated for useful part of OFDMA symbol and will not consider. UE reports not RSRP value but an integer value between 0 and 97. , at time n, the UE will consider the sidelinkThis is the reason, RSRQ (Reference Signal Receive Quality) measurement and calculation is based on both RSRP and RSSI. Of course, the user must have a modem that supports this standard. For measurement during rush hours, Telkomsel provider. Input: data => Mobility data generated with class MobilityGenerator femtos => Matrix with “x” and “y” of femtocells (HENB). RSRP calculation is based on energy received within useful part of OFDM symbol and doesn't include cyclic prefix energy. The 5G NR Throughput Calculator is developed as per 3GPP TS 38. 5 meaning minimum hysteria can be defined as 0. The calculation is based on the 3GPP TS 38. Then by low, reference signal is QPSK modulated – a constant modulus radio resource control (RRC). 5, the record is as below: When -100dB <= RSRP < -105dB, the mean throughput is 4. Throughput as a function of BLERThis page 5G NR Event Reporting as defined in 3GPP RRC specification. RSRP unit is dBm. RSRP RSRP Signal strength Description >= -80 dBm Excellent: Strong signal with maximum data speeds -80 dBm to -90 dBm Good: Strong signal with good data speeds -90 dBm to -100 dBm Fair to poor: Reliable data speeds may be attained, but marginal data with drop-outs is possible. As RSRQ combines signal strength as well as interference level, this. RSRP is short for Reference Signal Received Power, used when measuring 4G LTE networks. View Legal Disclaimers. RSRP's reference point is the antenna connector of UE. SINR is defined as: As there are 2 cell specific reference signal resource elements per OFDMA symbol so the calculation becomes: RSRQ = RSRP / (RSSI / N) = RSRP / (2 x RSRP x N/ N) = 0. Transmit end beam refinement in DL direction using CRI-RSRP feedback. 101-1,2 documents. Example of use: the A2 event can be used to trigger a mobility procedure when the mobile is in a cell device. Path loss is the downlink path loss calculated by the UE as a combination of RSRP measurements and knowledge of the reference signal transmit power PL = Reference Signal Transmit Power – RSRP. SS-RSRP Synchronization Signal Reference Signal Received Power SS-RSRQ Synchronization Signal Reference Signal Received Quality UTRAN Universal Terrestrial Radio Access Network 4 Control of UE/NG-RAN measurements In this chapter the general measurement control concept of the higher layers is briefly described to provide an Call drop or UE switched to other RAN (e. These methods provide information about network experience satisfaction and geographical location exceptions, thereby effectively guiding network optimisation. The method also. An algorithm has been formed in this work to calculate the. Finally, desired relation between RSRP and downlink throughput for different network loads is obtained, and presented visually in Fig. In this paper, a measurement model of reference signal received power (RSRP) is proposed, which can estimate cell coverage and is of great significance to the planning of 5th Generation Mobile Communication Technology (5G) wireless networks. Output: RSRP_femto => RSRP of femtocells (HENB) in DBm RSRP_femtos_w => RSRP of femtocells (HENB) in Watts dists_femtos => Calculated. RRM measurement including RSRP and RSRQ measurements is one of the most important techniques for CoMP operation. LTE-M supports two UE power classes; a 23 dBm Power Class 3 UE, and a new 20 dBm Power Class 5 UE. 214, where N is the number of RBs over the measurement bandwidth. Single-codeword limits the number of transmission layers to 4. A cellular phone or another LTE-equipped device would display signal strength in RSRP, measured 0dBm (best signal) to -110dBm (weakest/no signal). §371 of International Application No. Coverage capability is a crucial and indispensable indicator when evaluating the performance of a network. 78 dBm ; RSRQ (dBm) = -10. 4G/LTE. The proposed method is based on Reference Signal Received Power (RSRP) measurements and the predicted cell serving area. Reference Signal Received Power (RSRP) is a measure of the received power level in an LTE cell network. In one method, the cross-correlations between adjacent cell-specific. 0 (2018-10) Intellectual Property Rights Essential patents IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. We discuss the equipment and methodology applied for the collection and analysis of required data to. In this work, weNew to T-Mobile? Switching is easy Set up your device Using the app Sprint Migration Center All get started topics Ways to pay your bill All about your bill Line permissions Your T-Mobile ID Your PIN/Passcode All account resources topics T-Mobile network In-flight texting and Wi-Fi Wi-Fi Calling International roaming Mobile Without Borders All network. and they are used in the channel estimation, RSRP calculation, and 3D RSRP interpolation stages. A. a typical value of 10-2 in LTE. RSSI, or “Received Signal Strength Indicator,” is a measurement of how well your device can hear a signal from an access point or router. RSRP mapping table. . iPhone instructions. 5G NR ARFCN result. RSCP - indicates the Received Signal Code Power. 2. LTE Events A1, A2, A3, A4 and A5 are based upon either RSRP or RSRQ messages. We. Lets try to calculate RSRP, RSSI and RSRQ for one very simple case of one resource block with 12 sub carriers and 0. hT h T = height of the transmitting antenna. 0 Release 15 5 ETSI TS 138 214 V15. . 2. 133 range 0 . us 10,886,993 b2 page 2 ( 56 ) references cited other publicationsThe hybrid NB-IoT protocol has a latency value of 8. The RSRP calculation can base on the transmission PSCCH symbols and DMRS REs. Added a dynamic calculation that shows what the RSRP value would be using the channel width and the Rx Threshold. In addition, the base station 10 may indicate, to the terminal 20, the subcarrier spacing used as the reference of RSRP calculation. , presence of service and its performance). The signal powers (in dB) for both cells in each time period are set up according to TS. RSRQ (LTE only) RSRQ is the Reference Signal Received Quality is a C/I type of quality measurement and it indicates the quality of the received reference signal (similar to EC/IO in 3G) RSRQ is a calculated value from RSRP and RSSI . tooltip. 02. SS-RSRP is the linear average of the received secondary synchronization signals level. Synchronization signals can also be used by the UE for RSRP and RSRQ measurements. Following equations/formula are used in this LTE RSRP calculator/LTE RSRQ calculator. Detailed analyses were performed to investigate the relationships between RSRP, RSRQ, SINR, and CQI and evaluate their effects on THRP. 1. Single-codeword limits the number of transmission layers to 4. API's. systemInformationBlockType1. Finally, the analysis and comparison of the theoretical values and actual measurement illustrated that the data curves for this study were consistent. Measurement EnvironmentIf SINR is, say 13 dB but RSRP is below -80 or RSRQ is below -10 it indicates a problem and then easiest to use SINR only. 306, 38. The RSRP calculation values could be formulated in equation (9)[8] : (9) The correction factor constant value is determined by approaching the constant value function. 133 V8. Take 2 minutes to get your results. Employment income This is any monetary amount you receive as salary, wages, commissions, bonuses, tips, gratuities, and honoraria. 5 ms in time domain. RSRP calculation is based on energy received within useful part of OFDM symbol and doesn't include cyclic prefix energy. 18 • The sensing procedure is performed during the so-called sensing window, defined by the pre-configured parameter T 0 and a UE-specific parameter T proc,0 . •In LTE, RSRP and RSRQ are based on Cell-specific Reference Signal (CRS). RSRP dBm 36. Frequency is selected from 3GPP TS 38. As such, RSRP measurement bandwidth is the equivalent of only a single subcarrier. A function of this constant value becomes a reason to increase or decrease the modified parameter, we called it the calibrating standard propagation model. The Channel Width Type API is used to request the list of current Channels that are in TowerCoverage. 5 dB. 5G Measurement. An embodiment of the present invention provides a kind of cell switching method and base station, which includes：Receive the first RSRP values corresponding with serving cell and the 2nd RSRP values corresponding with Target cell that user terminal UE is measured；It is inserted into corresponding penalty value respectively with the 2nd RSRP values to. Sub: Implementation of Sixth Central Pay Commission’s recommendation – Fixation of pay for Running staff. The numerical calculation results based on the closed-form expressions. RSRQ measurement and calculation is based on RSRP and RSSI since RSRP determines signal quality and RSSI determines co-channel interference and noise. 5G NR Resource Block Definition and RBs Calculation K. 00 Rohde & Schwarz LTE UE receiver performance measurements 5 2 Receiver performance 2. A cellular phone or another LTE-equipped device would display signal strength in RSRP, measured 0dBm (best signal) to -110dBm (weakest/no signal). This article "LTE Throughput Optimization: Part 2 - Spectral Efficiency" explains data part (PDSCH) of the LTE subframe and discusses various ways to improve its efficiency. We would like to show you a description here but the site won’t allow us. 5G Signal Made Simple - What is RSSI, RSRP, RSRQ and SINR?What is RSSI, RSRP, RSRQ and SINR - Dr Andre FourieRSSI - Received Signal Strength IndicatorRSRP -. Equations Correlating the parameters Examples Example 1 > : RSRP/RSRQ/SINR at relatively stationary environment Example 2 > : RSRP/RSRQ at. The basic idea on RSRP/RSRQ in NR is also similar to LTE RSRP / RSRQ. RSRP measu. 4G LTE RSSI vs RSRP. 3. RSRQ – Reference Signal Received Quality: Quality considering also RSSI and the number of used Resource Blocks (N) RSRQ = (N * RSRP) / RSSI measured. 5 dB. 0 Internal use 4. Disclosed are a method, base station, and user equipment (UE) for measuring and feeding back wireless resource management information. . The RSRP, RSRQ, SIR, CQI, and THRP values were recorded for each measurement location. Reference signal received power (RSRP), is defined as the. 2). The 5GPro Spectrum Analyzer supports the demodulation of 5G NR signals and can validate OTA performance of cell sites to ensure smooth communication with UE. The basic idea on RSRP/RSRQ in NR is. 1 srsUE. RSRP – Reference Signal Received Power is an RSSI type of measurement. There are tables defined in 3GPP but this session provides quick calculation and conversion mechanisms for RSRP, RSRQ and SINR. And using our graph once more, RSRP measures the RF power effectively of what is highlighted in red:. 78 dBm ; RSRQ (dBm) = -10. Both LTE RSRP and LTE RSRQ parameters are used for cell selection, cell re-selection and handover. 1-855-834-1782. . RSRQ dB 36. Ongoing contribution amount. The only small difference is that we see a little bit wider difference between SINR Rx (0) and SINR Rx (1). E-UTRA Carrier Received Signal Strength. Reference Signal Received Power (RSRP) is a measure of the received power level in an LTE cell network. The results of the simulation found that the percentage of SPM propagation model for Reference Signal Received Power (RSRP) is above-80 dBm, the difference is 4. RSRQ (LTE only) RSRQ is the Reference Signal Received Quality is a C/I type of quality measurement and it indicates the quality of the received reference signal (similar to EC/IO in 3G) RSRQ is a calculated value from RSRP and RSSI . RRSP contributions can help change your tax outcome. If the cell site is operating correctly, the signal analyzer should receive eight beams (0 to 7), with RSRP, RSRQ and SINR for each beam. When -110dB <= RSRP < -115dB, the mean throughput is 2. The UE reports RSRP and RSRQ in the measurement reports but these values are not in dBm and need to be converted. 2-1), but some vendors allow you to set PDSCH power offsets. RSRQ. And the calculation of approximate RSSI value from the code in the question: val signalStrength = signalStrengthLte.