Uplink throughput lte
Uplink throughput lte. When RSRP < -120dB, the mean throughput is 0. The past decade has witnessed a staggering evolution in cellular networks. So, in stead of directly jumping into max throughput test, increase the throughput step-by-step and check CPU utilization (e. Jun 7, 2017 · To a 4G LTE terminal, each component carrier appears as an LTE carrier, while a 4G LTE-Advanced terminal can exploit the total aggregated bandwidth. DOI: 10. It also UL throughput, SIMO, standard Multi-hop transmission Figure 12. This modulation order is defined as a Parameter called Qm in 3GPP and the relationship between MCS value and Qm is defined in a little bit differently for PDSCH and PUSCH in the three tables This page compares Uplink vs Downlink and mentions difference between Uplink and Downlink. Today is the start of uplink throughput computation. There are nine sub-KPIs, each corresponding to one of the nine QCIs. The throughput calculated above is only taking PRACH overhead into account. so the same frequencies are used for both uplink and downlink. On one hand, these Rel’10 functionalities can increase the available transmission bandwidth and scheduling flexibility in uplink. This KPI measures the busy-hour uplink throughput for a service with a specific QCI (QoS Class Identifier) per user in each cell. In FDD applications, the uplink uses the same generic frame structure as the downlink. LTE operates in some of the existing cellular bands as well as newer bands. Supports TDD, FDD and SDL, Carrier aggregation and MIMO LTE network base on live data and to examine the validity of different downlink throughput and inter-site distance in a realistic LTE deployment. Physical resource allocations Jun 27, 2022 · The key to faster data via LTE-Advanced is the introduction of 8×8 MIMO in the downlink and 4×4 in the uplink, and the use of multiple carrier bands aggregated together to improve signal Mar 23, 2022 · The dataset was divided into four categories based on the average uplink and downlink throughput values where these average values were calculated from dataset, upon which three machine learning algorithms viz. UE Category is the set of information (parameters) that defines the maximum throughput for a UE. Costa Rica, Venezuela, Brazil and some Caribbean countries or territories. Jun 11, 2016 · Even though if we think intuitively, Higher uplink transmission Power can solve the Uplink throughput and accessibility and retainability issues problems related to Performance and Optimization. For more videos, please Jun 5, 2020 · Keywords — Drive test, LTE, machine learning, uplink throughput . prediction. initial throughput is multiplied by 2 or 4 either MIMO 2x2 or MIMO 4x4 selected, respectively. Networks on LTE band 20 (LTE-FDD) are suitable for roaming in ITU Region 1 only. I. Let’s assume, the UE is in good radio condition and its capability is available for 150 Mbps for downlink and 50 Mbps for uplink. Throughput Calculation - TDD . The 5G throughput in the downlink refers to 5G-NB to UE data rate while in the uplink it refers to UE to 5G-NB data rate. As LTE uses different channel bandwidths both for FDD and TDD. There are 574 records left. Targets for spectral efficiency over 3GPP Release 7 high-speed packet access (HSPA) are three to four times in UE Category for PHY layer throughput . 8 supported up to four layers of MIMO multiplexing for downlink and no MIMO for uplink. ELLULAR broadband data usage is growing steeply, facilitated by mature fourth generation (4 G) and This example demonstrates how to measure the Physical Uplink Shared Channel (PUSCH) throughput performance using the LTE Toolbox™ under conformance test conditions as defined in TS36. Jan 2, 2024 · 3. 4 . There are The maximum Uplink throughput achievable in case of normal cyclic prefix is 84. Baltagiannis** * Technological Institution of Messologi/Department of Telecommunication Systems & Networks, Nafpaktos, Greece ** University of Patras/Department of Engineering Sciences Applied Mathematics and Mechanics, Patras, Greece In case of R99 or HSPA, the ideal throughput is described in a neat page of table and a lot of people knows what kind of throughput they have to expect, but in LTE the situation got much more complicated since there can be several factors determines the throughput and each of the factors can have so many different values. The results in scenario 1 show that the normalized throughput of the implemented LTE ESPE network is 0. 122 Mbps. LTE Throughput Calculator. The physical uplink shared Channel (PUSCH) is used to transfer application data. Feb 5, 2024 · 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. LTE-Advanced supports single user MIMO (SU-MIMO) scheme up to eight layers (8x8 MIMO) for downlink and four layers (4x4 MIMO) for uplink. signalsresearch. There are 116 records. 08 Mbps. As LTE evolves, the length of UE category list gets longer and longer, and the interpretation of the category gets more complicated, you will need to go through many tables listed below to figure out the exact throughput capability of a UE. Jun 27, 2011 · hello nice tutorial but if we have Downlink shared channel DSH i want to calculate throughput of LTE downlink system for SISO mode, transmit diversity MIMO 2×1 ,transmit diversity MIMO 4×2, open loop spatial multiplexing MIMO 4×2 antenna system plz give some detailed analysis for 1. Uplink user transmissions consist of uplink user data (PUSCH), random-access requests (PRACH), user control channels (PUCCH), and sounding reference signals (SRS). Use this calculator to calculate LTE throughput, and carrier aggregation Throughput. The SINR> 10dB and UL throughput< 0. Mobile wireless technologies have undergone four distinct generations; from uncomplicated voice calls in the first generation to high-speed, low latency and video streaming in the fourth generation. g, QPSK, 16 QAM, 64 QAM, 256 QAM). 4 MHZ bandwidth calculation of throughput i really Jan 1, 2019 · LTE also maintains aggregation of multiple cells in both uplink and downlink directions with up to five serving cells, where each serving cell can have a transmission bandwidth of up to 20 MHz. 4G/LTE - Throughput Throughput Calculation - From UE Cateogory For many people working in LTE, one of the most important question would be what is the maximum throughput for a network, device or network operator. Counters such as which show , how much data is there in PDCP , or how much data volume was accumulated in the last Transmission Time Interval (TTI) . Radio Frequency (RF) driving test was used to collect the parameters of LTE data at a different route with an average total of 10Km. Jun 1, 2011 · Improving the uplink quality of service for users located around the boundaries between cells is a key challenge in LTE systems. 83 for the downlink and 0. Throughput: Look for Throughput counters for a specific vendor in Downlink and Uplink. Last TTI with data is an indicator that the data transmitted has finished, and does not add to the user throughput so is normally removed from the equation. Shakir and Ahmed Yaseen Mjhool and Ruaa Alsabah and Ali Al-Sabbagh and Monera Salah and Josko Zec Jul 1, 2014 · End-to-end QoS performance of Bandwidth and QoS Aware (BQA) scheduler for LTE uplink, together with delay sensitive traffic thresholds, is evaluated in heterogeneous traffic environment in [17]. Frequency bands for 5G The basic transmission scheme for LTE uplink is Singlethe -Carrier-Frequency Domain Multiple Access (SC-FDMA). Another notice is calculated throughput includes LTE headers (i. Also the counter which keeps track of how throughput is being estimated for the UE is important to know. Feb 12, 2015 · The maximum data rate depends on channel bandwidth. 72, the record is as below: When -115dB <=RSRP <= -120dB, the mean throughput is 0. 4G LTE Throughput calculator. One PRB, which is the smallest radio resource unit, has a size of 180 kHz in the frequency domain and 0. PDCP, RLC and MAC). Disadvantage: downlink spectrum efficiency to support the creation of high bandwidth content such as UHD 4K/8K video, Virtual Reality (VR), and Augmented Reality (AR) content. In reality, the actual throughput is affected by a number of factors such as: RRC signaling : Overhead for RRC signaling on PUSCH depends upon the quantity of traffic but it is usually small in kbps; Re-transmissions reduce higher layer throughput as well. Service Downlink Average Throughput 4. LTE has the ability to manage fast-moving mobiles and supports multi-cast and broadcast streams. com an rnch How 5G NR millimeter wave (mmWave) provides critical additional network capacity in indoor venues and outdoor environments, even in the presence of LTE and mid-band 5G NR Jun 6, 2020 · LTE Throughput Calculation in both Downlink & Uplink Jul 1, 2023 · With the enormous evolution of the smartphone, especially with the appearance of the fourth generation (4G) cellular networks, the demand for high-speed data rate, low latency, and video streaming have been increased. In normal DL or UL subframe, TBS/subframe can be calculated in the same way as in FDD. On the other hand, they will introduce additional power back-off for the power Feb 3, 2022 · A 4G LTE network was implemented by using SDR and open-source LTE software. Achieving high uplink throughput is critical for applications such as video conferencing, live streaming, and cloud-based services, where large amounts of data need to be sent from the user to the network. TDD throughput calculation is very similar to FDD case as you see below. The numerous services brought to the users by 4G network have caused an increasing load demand. Service Uplink Average Throughput. Another difference is about TBS each subframe as marked in blue. For the data transmission in the 3GPP LTE-A uplink, each user is allocated a certain number of PRBs. In theory we can spend days and night in order to compute the Uplink Throughput for LTE Advanced as it has been done over here, but the real question do you actual see those theoretical values in the field as well or not? Today we are going to discuss what can cause throughput to be lower than theoretical value. Jan 11, 2024 · Although similar to DL throughput, UL throughput has special considerations to take when analyzing performance issues on a network. Furthermore, with rising demand and complexity, traditional network management This parameter is taken with some inaccuracy, i. Let’s take the example for LTE using FDD, where channel bandwidth can be 5 MHz, 10 MHz and 20 MHz. Few of the reasons are given below: Oct 22, 2017 · Thank you for sharing this insightful article on LTE throughput optimization and the role of PDCCH enhancements in achieving it. You may know that MCS (Modulation Coding Scheme) is related to Modulation Order (Modulation Depth, e. 306 standard: NR User Equipment (UE) radio access capabilities and uses formula to obtain a 5G NR Throughput data rate in the DL (downlink) and the UL (uplink). In LTE release 8 there is no carrier aggregation, so let’s just consider simple cases. LTE is a broadband wireless This site is for everything on 4G/LTE. However, the downside is, it will not only drain UE battery, plus it will result increase in inter and intra cell interference as well. There are 98 records. FDD and TDD uplink transmissions have the same physical channels and signals. Relying on power control, existing approaches throttle the rates of Spectral efficiency: LTE also features a scalable bandwidth from 1. 83Mbps, there are 139 records. The ultimate goal is to support or make it suitable for the network planning and optimization of LTE. 8 Mbps (not shown in the table above, because that table is for Uplink only) Oct 26, 2015 · 2. It is recommended to read OFDMA/SC-FDMA sections to clearly understand throughput calculation in LTE. . g, you can monitor the CPU utilization using Windows Task Manager) Networks on LTE bands 1, 3 (LTE-FDD) are suitable for roaming in ITU Regions 1, 3 and partially Region 2 (e. A very good approach has been proposed on [18] where packet delays may be deduced from buffer status reports (BSR) from UE’s in LTE uplink. The key difference is 'number of subframes /sec' parts as marked in red. This site is for everything on 4G/LTE. This KPI provides insights into the end-user experience during peak usage Jul 12, 2023 · The calculation is based on the 3GPP TS 38. Dec 29, 2022 · DL Throughput = (DRB Data Transmitted – Last TTI data) / Time Elapsed where DRB stands for Data Radio Bearer. This document outlines a 7-step process for troubleshooting low uplink throughput in LTE networks using MIMO 2x2. The introduction of the 5G New Radio (NR) network brings a huge uplift in uplink throughput over the legacy 4G Long-Term Evolution (LTE) network, with the promised target peak uplink throughput of 10 Gbps [1], which Uplink throughput in LTE refers to the rate at which data is successfully transmitted from the User Equipment (UE) to the eNodeB (base station). There are a number of ways in which LTE carriers can be aggregated: Types of 4G LTE CA. 4G/LTE - Access Control Snapshots of LTE Uplink Signals for RF Testing; Throughput : LTE : General; Throughput : LTE When mobile chip manufacturer releases a new product, it should to indicate its Ue LTE Categories It is help us to get information about Ue Peak LTE Throughput DL (UL), number of MIMO DL layers, support for 64QAM in UL etc… Common Ue Categories LTE (common + NB-IoT) defines a combined uplink and downlink capability. It covers the same for 5G downlink throughput and 5G uplink throughput. 5 kHz possible in the case of multimedia broadcast multicast service (MBMS). e. LTE Cell Coverage Planning Algorithm Optimising Uplink User Cell Throughput S. 4G LTE Throughput calculator; 4G LTE EARFCN calculator; 4G LTE Link budget calculator; 4G LTE Timing Advance Distance calculator; 4G LTE RS RE Power boosting calculator; 4G LTE Cell ID (ECI) 3G UMTS UARFCN calculator; QoS 5G NR; QoS 4G LTE; Free Space Path Loss (FSPL) Calculator; Watt to dBm converter; Other caculators. Which means that in LTE you will have even bigger TBS than HSPA+ Dual Carrier. anar 2022 Page 7 www. 1 Data collection. MCS and Modulation Order . The mean SINR is 2. g, 100 Mbps and over) is pretty tough task not only for IP stack, but also the IP application software and CPU utilization. In reality throughput will be a bit lower due to increased number of pilot signals. Networks on LTE band 5 (LTE-FDD) are suitable for roaming in ITU Regions 2 and 3. Support Vector Machine (SVM), Naïve Bayes and K-Nearest Neighbours (K-NN) were implemented for the prediction of the user throughput LTE band: Uplink MHz / EARFCN (First – Last) Downlink MHz / EARFCN (First – Last) Duplex mode: 1: 1920 MHz – 1980 MHz (18000 – 18599) 2110 MHz – 2170 MHz Oct 21, 2019 · •When optimized adaptation of periodic CQI report is on, fewer PUCCH RBs are used for periodic CQI reporting, and more RBs are available for the PUSCH, the uplink throughput increases. Simply select network type and type in the LCID/CID. 2. UL throughput gain, standard Multi-hop transmission 49 Digital Technologies Figure 12 illustrates the LTE-Advanced total Uplink throughput gain for uplink LTE-A network using SIMO, 2x2MIMO, and 2x4MIMO; respectively over SISO system. 4, Analysis of the data . 104. Thus, the ESPE LTE network was deployed and can be used as a testbed and a platform for teaching the LTE standard. 4 to 20 MHz in both the downlink and the uplink, with subcarrier spacing of 15 kHz and 7. Сalculator allows to calculate the maximum throughput of 4G LTE network for DL (downlink) and UL (uplink) Basic Uplink Throughput in LTE (FDD Case) There has been a series of posts for LTE Throughput computation in both FDD and TDD. Louvros*, K. 5 ms in the time domain, allowing 50 PRBs to be utilized in a 10-MHz system bandwidth []. I NTRODUCTION. So in this case, very high performance IP data server is the most important factor for throughput test. The steps include: 1) Identifying cells with low throughput, 2) Checking for uplink interference by analyzing RSSI values, 3) Analyzing BLER values to check for coverage issues, 4) Checking demand levels using connection and scheduling counters, 5) Verifying the correct scheduler These kind of information may sound too much detail, but they are the most basic information required for digital signal processing at the first step processing of LTE PHY signal. Sep 2, 2020 · In this video, we describe the use of DMRS, SRS in UL LTE and how it is related to uplink throughput and overhead in PDCCH and PDSCH. This increasing demand in Feb 1, 2017 · LTE Rel. 39 for the uplink. RF aspects of carrier aggregation. Intra-band: This form of carrier aggregation uses a single band. LTE level throughput (e. Cell ID Calculator . For the detailed data path for LTE, you can refer to another pages of this site. 7 Mbps, whereas for Downlink the maximum throughput achievable for normal cyclic prefix case is 100. Jan 8, 2013 · Frequency & Bandwidth. This rising demand for network utilization has demonstrated the need for more service improvement. Ericsson defined throughput (UL or DL) is "the speed at which packets are being transferred by the time the first packet has been scheduled in the air interface". Examples on sharetechnote are. Throughput Calculation in LTE. Both Ericsson and Huawei user throughput formula taken into consideration this. The major advantage of SC-FDMA over conventional OFDM is an approximately 2 dB lower PAPR (peak-to-average power ratio). The breakdown of PDCCH structure and its aggregation layers provided a clear understanding of how scheduling allocations work for PDSCH and PUSCH, making it easier to comprehend the overall optimization process. Use this page calculate things such as eNB ID/RNC-ID/BSIC or hex values of IDs. This page describes 5G Throughput Test case, Test procedure and minimum conformance requirements. 1007/s41870-023-01358-9 Corpus ID: 259312621; Downlink throughput prediction using machine learning models on 4G-LTE networks @article{AlThaedan2023DownlinkTP, title={Downlink throughput prediction using machine learning models on 4G-LTE networks}, author={Abbas Al-Thaedan and Zaenab D. Jul 1, 2014 · End-to-end QoS performance of Bandwidth and QoS Aware (BQA) scheduler for LTE uplink, together with delay sensitive traffic thresholds, is evaluated in heterogeneous traffic environment in [17]. 1 Network setup. The term uplink indicates transmissions from ground side towards cell tower and downlink indicates transmissions from cell tower towards ground side. Downlink and uplink are focused within the scope of this paper. With this technology, it achieves peak spectral efficiency of 30 bit/s/Hz for downlink and 15 bit/sec/Hz for uplink. Aggelis* and A. Almost whole of this site is about LTE. Calculate the maxium theoretical throughput of a specified LTE Configuration. The spectral efficiency is simply the number of bits transmitted over a frequency bandwidth in a specific time and is measured in bits/s/Hz. LTE Physical Layer Signal : PSS The LTE specification provides downlink peak rates of 300 Mbit/s, uplink peak rates of 75 Mbit/s and QoS provisions permitting a transfer latency of less than 5 ms in the radio access network. g. Collection of DL Throughput data was carried out in the urban environment of Najaf province, Iraq, from three mobile network operators. Apr 29, 2015 · This paper investigates the uplink resource allocation problem in the context of Long-Term Evolution (LTE)-Advanced systems with carrier aggregation (CA) and dual-cluster scheduling. jzmo tioaik pwlfs ksvi ttah bvwzp emxuvvd mqgqc mjupdtq adywyu