What is throughput in lte ) and will be 50% over the required capacity for backhaul in which case it’s investment in Long-Term Evolution Time-Division Duplex (LTE-TDD), also referred to as TDD LTE, is a 4G telecommunications technology and standard co-developed by an international coalition of companies, including China Mobile, Datang Telecom, Huawei, ZTE, Nokia Solutions and Networks, Qualcomm, Samsung, and ST-Ericsson. SNR, CQI and MCS. But these throughput are not actual throughput , removing of all headers and what we receive at application level is user throughput. Nov 13, 2024 · Internet throughput, often referred to simply as "throughput" or "internet speed," is a measure of the rate at which data is transmitted over an internet connection. The LTE standard is intended to provide a downlink speed of 150 Mbps and an uplink speed of 50 Mbps over a wide area. Almost whole of this site is about LTE. Comparing section (A) and (B), (A) throughput (peak throughput) is a little bit higher at PHY but become a little bit lower at RLC; Comparing section (C) and (D), (C) throughput (peak throughput) is a little bit higher at PHY but become a little bit lower at RLC; Section (E) shows much bigger difference between PHY throughput and RLC throughput. This Page provides information about 4G LTE Throughput calculator. This site is for everything on 4G/LTE. in this case most of UE fails at PDSCH decoding and report HARQ NACK causing PHY layer retransmission. What is LTE Throughput GSM GPRS EGPRS throughput 5G throughput LTE throughput calculator 5G NR maximum throughput calculator. The most important point is to consider the context in which you are computing the throughput and how much is the overhead in addition to actual application throughput. Jul 20, 2022 · Before 5G rolled out, 4G LTE was the fastest mobile network technology in the United States. This post is to address common issues that affects downlink throughput and also to dig into possible solutions. MAC layer throughput is with all above layer header and RLC throughput is with PDCP,GTP,IP header. We have categories of KPI and numbers of KPI of each category. #LTELowThroughput #4GLowThroughput#CQI #4GCQISubscribe Like & Share. g. Jul 26, 2020 · This video is about factors affecting Throughput in LTE. Uplink throughput in LTE refers to the rate at which data is successfully transmitted from the User Equipment (UE) to the eNodeB (base station). LTE-M and NB-IoT are the cheapest module with a price of around 10€/$. 4G LTE covers the entire range of download speeds from 3G’s 10 th of Mbps to 4G’s 100 th of Mbps. 8 standards, the CA provides the advantage of reducing redundant implementation. network latency. the SR-to-grant roundtrip delay is removed, which is at least 8 ms) , and when reducing TTIs So that Throughput is lower than the Bit rate, this is because Throughput is affected by different factors such as network congestion, device capabilities,etc. For this mechanism to work properly, there should be a certain level of agreement between UE and the network about "which CQI value means which transport block size". (The reason is same as above) Here throughput is 20 Mbps, where as bandwidth is 50 Mbps (i. In mobile networks, the end user throughput is the amount of information received in bits /second. FDD and TDD in LTE. HERE, HERE, HERE and HERE. It takes advantage of radio waves which deliver wider coverage when compared to microwaves in 3G and WiMAX. This is available in certain countries where there is the availability of public LTE spectrum. There is not one factor, but a number. This knowledge is essential for optimizing data flow in LTE 4G networks, ensuring both speed and efficiency. Would live network ever allocate this amount of resources for a single UE ? or can we have such good signal quality that can allows this kind of throughput ?". For this reason, LTE may also be called 3. Many factors can affect throughput; some of these factors include: LTE KPI Test Case; Accessibility • RRC Connection Establishment • Random Access • Initial E-RAB Establishment Success Rate • RRC Connection Establishment Counters • Initial E-RAB Establishment Success Rate Counters • Added E-RAB Establishment Success Rate Counters • Added E-RAB Establishment Success Rate • S1 Signaling Connection Establishment May 30, 2024 · LTE Cat 11 (LTE Category 11) is an LTE user equipment (UE) category that defines the performance and specifications – such as data rate, power, type of modulation, bandwidth, etc. 4G LTE uses bigger carrier bandwidths than 2G and 3G networks and delivers peak data rates of up to 3 Gbps with LTE Advanced Pro. LTE Throughput Calculator . It employs Orthogonal Frequency Division Multiplexing (OFDM) and Multiple Input Multiple Output (MIMO) antenna systems to increase data throughput and improve signal quality. A standard 3G mobile network can get you about 7 Mbps of data speeds, at best. The scenarios described are limited for specific scenario only. 10 UEs are backwards compatible with LTE Rel. There are three types of CA, depending on the CC combination as shown in Figure 4. It's a standard for wireless broadband communication, succeeding 3G. While LTE is commonly used with 4G, it is not the same as 4G. Modulation Techniques in LTE. Then map it to a number of Resource Blocks using the table above. The throughput values shown above is not an exhaustive list of all the throughput values you can achieve in practice. (5G, 4G-LTE, 2G/3G) May 10, 2017 · physical layer throughput is with all layer headers and redundant data. It was a significant boost up from 3G, in terms of data speeds. So, in stead of directly jumping into max throughput test, increase the throughput step-by-step and check CPU utilization (e. It uses Throughput ©3G4G Throughput is the actual rate that information is transferred. It can be 1. May 20, 2023 · LTE is short for Long Term Evolution and is a standard for 4G devices. Is one of the three major KPI, along with and latency and packet loss when we measured what it’s called “the integrity” network. It covers the same for 5G downlink throughput and 5G uplink throughput. UE Category is the set of information (parameters) that defines the maximum throughput for a UE. In the theoretical limit it is equal to the Shanon channel capacity C. PREREQUISTE : General Guidelines Before diving into Throughput Investigation: LTE level throughput (e. . Carrier Aggregation was initially introduced in LTE-Advanced networks, and today it is part of LTE-Advanced, LTE-Advanced Pro and 5G New Radio (NR) networks. Throughput is measured at Layer 1/2 or even at application layer. –of LTE Cat 11 UE. UMTS - CQI vs Throughput . What is Uplink Interference? LTE uplink interference is caused by UEs near the cell border. Jun 27, 2011 · So, for example, if we think LTE cell will provide 100 Mbps of throughput while in reality can only do 50 Mbps, the operator will be short by 50% of capacity in the access network resulting in poor user experience (e. Nov 4, 2014 · The maximum achievable LTE link throughput is assumed to be 150Mbit/s in this simulation and the transport network delay is omitted. Typical file sizes used in our calculations: 2MB for a webpage, 10KB for a basic e-mail, 2MB for a high-quality photograph, 5MB for a music track and 30MB for a typical application download. Dec 29, 2022 · Throughput is a basic KPI on any LTE network. Aug 21, 2015 · LTE supports wideband and subband CQI reporting. Throughput is a key performance indicator for LTE In WCDMA, HSDPA, HSUPA probably 'Yes', but in LTE you would still have a little low throughput than the 3GPP spec value even in PHY throughput. An LTE Rel. What is the main focus of LTE? The very main focus of LTE is to offer higher throughput. 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. What is Throughput? • The term throughput refers to ratio of data transmitted in unit of time. GSM, LTE, 5G Throughput related links. UE Category for PHY layer throughput . For the detailed data path for LTE, you can refer to another pages of this site. slow download, blocking, etc. This, as you imagine, can be a big source of frustration for network engineers. 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. Most modern smartphones, whether 5G or 4G, happen to support LTE. But if heavy congestion occurs, the actual throughput may only be 50 Mbps. The throughput for a device working in a live network would vary at every moment as you can see this drive test. So in this case, very high performance IP data server is the most important factor for throughput test. 95G. maximum throughput). For TDD Case: You can find them. Even when CQI is high, eNB may assign small resources due to various other factors) ii) Low throughput does not necessarily mean low CQI. As LTE uses different channel bandwidths both for FDD and TDD. 306 with the tables showing Throughput vs. In order to determine physical layer performance, we need to calculate the total physical resources available for different bandwidths of downlink transmission. Throughput Optimization. What is Wi-Fi Network? Feb 1, 2017 · Physical layer data throughput can be calculated accurately for different scenarios. 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. With its lower complexity LTE CAT-1 modules provide an alternative as the costs are about 30% cheaper compared to LTE CAT-6 modules. (High throughput depends not only on CQI, but also on transport block size (Number of RB and MCS. Feb 15, 2022 · LTE modules are cost intensive as they have been optimized to provide the best user experience with high data speeds. The subsequent development of LTE-Advanced (LTE-A) yielded peak throughput on the order of 300 Mbps. 8 UE. 1Mbit/s (2G EDGE). Simply select network type and type in the LCID/CID. LTE bandwidth would be comparable to what a present-day, regular home customer could see on a fast cable modem. Carrier Aggregation (CA) in 4G LTE networks is a technique that allows them to combine multiple frequency carriers into one to offer larger carrier bandwidths and higher data rates to end There has been a series of posts for LTE Throughput computation in both FDD and TDD. g, 100 Mbps and over) is pretty tough task not only for IP stack, but also the IP application software and CPU utilization. #LTEOPTIMIZATION #LTE # LTESOFFPARAMETERSPoor CQI Reason in 4G & Optimization?https: Therefore, in order to compute throughput on PDSCH in case of LTE FDD scenario. 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. Factors that affect throughput. While LTE speeds reach 100 Mbps, true 4G offers speeds up to 1,000 Mbps. 4G LTE networks can reach speeds up to 100 Mbps (though most of the time it will be more like 10 to 40 Mbps). This is a simple and straightforward formula for data rate calculation. By mastering the LTE throughput formula and using the provided 4G throughput calculator, you can make informed decisions about network performance and capacity. Original code from Github. Throughput Calculation in LTE It is recommended to read OFDMA/SC-FDMA sections to clearly understand throughput calculation in LTE. The acronym MAC is short for "Media Access Control", which is one of two sub-layers within Layer 2 of Nov 19, 2019 · LTE or Long Term Evolution is a fourth-generation cellular technology standard that enables voice calls, text messages and mobile data on 4G LTE compatible mobile phones. Compared to its predecessor, it offers better data speed with lower latency. But in case of Cat 4 or higher, it would be harder to achieve max throughput with CFI value 2 or 3. The average upload speed with LTE Advanced (4G+) is around 15 Mbps to 20 Mbps. Cell ID Calculator . Nov 23, 2018 · For this comparison table, we have used the average download speeds of 30Mbit/s (4G LTE Cat6), 4Mbit/s (3G HSPA+) and 0. Use this calculator to calculate LTE throughput, and carrier aggregation Throughput. Learn Mobile Packet Core in 8 Hrs. As LTE Rel. LTE uses a combination of technologies to achieve high-speed data transmission. Feb 12, 2015 · This tutorial explains how LTE downlink maximum throughput is determined. of contributing factors which affect the end user throughput. A wideband CQI value is a single 4-bit integer that represents an effective SINR as observed by the UE over the entire channel bandwidth. In LTE the throughput increases when we add more carriers Throughput is the amount of data that can be transferred from one point to another in a given time, usually measured in bits per second (bps). The Private LTE core is deployed on-premise or in a cloud environment. So general tips for max throughput case would be "Use CFI = 1 for Cat 4 or higher max throughput case". On the other hand, we need to determine how many ph LTE Transport Block Concept • LTE System Features • LTE Terminology • What is LTE? • LTE UE categories • LTE Frequency Bands • LTE frame structure • LTE Physical layer • LTE protocol stack • LTE Logical,Transport,Physical channels • LTE throughput • Voice over LTE • Carrier Aggregation in LTE • LTE Advanced • LTE vs LTE Advanced • LTE-3GG-document-references i) High throughput does not necessarily mean high CQI. The physical uplink shared Channel (PUSCH) is used to transfer application data. Massive MIMO is also called as mMIMO. g, you can monitor the CPU utilization using Windows Task Manager) The throughput by definition is the maximum data rate transmitted by the communication system. Calculator is based on 3GPP communication standards and allows you to calculate the maximum throughput of 4G LTE networks. Although LTE is commonly referred to as 4G LTE, LTE is technically slower than 4G but still faster than normal 3G. It achieves these enhancements through various technical advancements: Increased Data Speeds: LTE significantly boosts data transfer speeds, providing higher throughput compared to 3G networks. In live network for HSDPA, Network sends data with different transport block size depending on CQI value reported by UE. Feb 12, 2024 · What is LTE and What Does LTE Stand For? LTE stands for "Long Term Evolution". Jun 20, 2022 · Following the progress of LTE-Advanced (LTE-A), peak throughput on the sequence of 300 Mbps was achieved. It is because there is some subframes where you cannot allocate full RBs (100 RBs in case of 20Mhz, Cat 3). What is Ideal/Expected throughput ? One of the most common questions that I have been getting for the past 10 years or so (probably from early HSDPA period and all the way up to now) was 'I have a UE with such and such category, what kind of throughput I need to get from this device ?' (Usually they carry the document like 36. Today is the start of uplink throughput computation. Aug 6, 2015 · MAC Throughput MAC throughput is shown on the Dashboard Signal Meter as "MAC Tx/Rx (Mbps)". LTE Cat 11 UEs are based on LTE Advanced (LTE-A) technology with support for a downlink data rate of 603. Jun 24, 2021 · To calculate LTE throughput the following steps should be performed: Define bandwidth. e. Nov 13, 2019 · Conversely, if there’s too much overlapping downlink coverage, uplink interference can occur and the cell throughput can be reduced. It quantifies the amount of data that can be sent or received in a given period, typically expressed in bits per second (bps), kilobits per second (Kbps), megabits per second (Mbps Jul 26, 2020 · The average download speed with the enhanced version of LTE, LTE-Advanced and LTE-Advanced Pro is generally around 60 Mbps to 100 Mbps; however, it is possible to get download speeds of over 100 Mbps also. Which means that in LTE you will have even bigger TBS than HSPA+ Dual Carrier. Networking related links LTE employs MIMO technology, using multiple antennas at both the user device and the base station. Nov 10, 2023 · For example, a network may have a speed of 100 Mbps. Massive MIMO refers to system having multiple antenna elements in the form of active antenna array used to transmit multiple data streams in the desired direction. MIMO allows for the simultaneous transmission and reception of data over different paths, improving signal quality, data throughput, and coverage. 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. In some environments, latency is measured by sending a packet that is returned to the sender -- the round-trip time is considered the latency. The radio roundtrip reductions when introducing the possibility of instant access in the uplink is 8 ms or more (i. Network latency is an expression of how much time it takes for a data packet to get from one designated point to another. It helps to increase system capacity, data throughput and coverage. Jan 6, 2024 · LTE technology offers faster data speeds, lower latency, and improved capacity compared to its predecessors in the mobile network technology. 10 UE that is CA-enabled would achieve higher user throughput than an LTE Rel. It is defined as the quantity of data being sent/received by unit of time. In this case, throughput is lower than network speed due to real-world limitations. Network attachment The values for throughput shown in the tables are peak connection throughputs not average cell throughput. The purpose is to check the performance of Network. 4, 3, 5, 10, 15 or 20 MHz. For example, if you have the LTE Cat 3 device, your max downlink throughput is around 100 Mbps. In LTE, end user quality of service is impacted by the cumulative effect of various nodes and interfaces. To use LTE, you need to have an LTE device and at least a 4G carrier. • The unit of throughput is bits per second or bps. Use this page calculate things such as eNB ID/RNC-ID/BSIC or hex values of IDs. Calculation of Throughput in LTE. 0 Mbit/s and an uplink data rate of 51 –Private LTE Core with Private radio network – This deployed is a standalone variant of the Private LTE infrastructure. 4G/LTE - Access Control Quick Reference Access Confrol (ac-Barring, SSAC, EAB, Cell Barring) Nov 19, 2021 · While carrier marketing sometimes suggests that 4G LTE is an enhanced version of 4G, 4G LTE actually refers to devices and networks that are evolving from the slower 3G standard to full 4G speed and throughput capability. In the Optimization process we have to check the KPI value to monitor and optimize the radio network performance in order to provide better subscriber quality or to achieve better use of installed network resources . The maximum data rate depends on channel bandwidth. xbaueoe vqdi wqmvrx krl trbph yidn dqviu acro uxk gwsxpe