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Throughput debugging in lte
Throughput debugging in lte. Original code from Github. The User DownLink (UE DL) throughput is considered the most effective Key Performance 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. 21 Mb/s within MCS (0)~MCS (28), and the overall MCS mean DL throughput was 18. 1 Data collection. Introduction. The models are initially validated on the LTE network and then applied to a non-standalone 5G network. There have been some operators who made move in TDD deployment. 2 Mbps. But still there would be some possibility of RLC layer issues especially related to fragmentation and timing issues due to following reasons : This throughput often get configured with the throughput calculated at the last step of this process. Log analysis is crucial for troubleshooting issues, optimizing network performance, and ensuring the overall reliability of the 5G infrastructure. Discuss what is carried by the X2-NRcontainer. The throughput for a device working in a live net -- Parameter summary: ----- Duplexing mode: FDD Transmission mode: TM4 Transmission scheme: SpatialMux Number of downlink resource blocks: 50 Number of allocated resource blocks: 50 Cell-specific reference signal ports: 2 Number of transmit antennas: 2 Transmission layers: 2 Number of codewords: 2 Modulation codeword 1: 16QAM Transport block sizes codeword 1: 11448 11448 11448 11448 11448 Cell ID Calculator . Cisco 4G LTE NIMs support the following 4G/3G modes: 4G LTE —4G LTE mobile specification provides multi-megabit bandwidth, more efficient radio network, latency reduction, and improved mobility. RACH stands for R andom A ccess Ch annel. 13 Mb/s~45. In LTE release 8 there is no carrier aggregation, so let’s just consider simple cases. 8 Mb/s, whereas a throughput of more than 10 Mb/s was achieved at a distance of 7. LTE RACH in Details . • Downlink peak data rate has never been a limiting factor for uses cases covered by 5G EVE Downlink Peak Data Rate Jan 6, 2010 · LTE Call Processing , LTE Throughput Debugging UL & DL, Radio Procedures, SON Features, Python File handling & post processing methods etc. Frequency bands for 5G Jan 11, 2024 · Although similar to DL throughput, UL throughput has special considerations to take when analyzing performance issues on a network. 1 For example, the throughput prediction can be a solution that can improve quality in video streaming applications such as YouTube or NetFlix [2]. KPIs co-relate and depend on each other. The Simulink model can operate under TM1, TM2 and TM3 transmission modes without implementing hybrid automatic repeat request (Hybrid ARQ). 8Mbps for a single antenna port. At the distance of roughly 11. It is a critical metric that directly impacts the user experience and the efficiency of the wireless network. Therefore knowledge of other KPIs such as Accessibility, Retainability , Mobility etc. 69 Mb/s. The maximum FTP throughput that I got was around 97 Mbps with FileZilla using a LTE data card, system bandwidth 20M, MIMO. Collection of DL Throughput data was carried out in the urban environment of Najaf province, Iraq, from three mobile network operators. You can use the LTE Throughput Analyzer app to execute a physical downlink shared channel (PDSCH) demodulation performance test. 6 GHz and the TV white space band at 800 MHz. Is one of the three major KPI, along with and latency and packet loss when we measured what it’s called “the integrity” network. For a more detailed explanation of the steps implemented in this example, see Model 5G NR Communication Links and DL-SCH and PDSCH Transmit and Receive Processing Chain. e. 2 Mb/s. . Testing 5G: Data Throughput Application Notes 5G is rapidly approaching, bringing with it the promise of powerful new use cases that will require a flexible technology that can deliver ultra-reliable low latency (uRLLC), massive machine-type communications (mMTC), and much faster data rates with enhanced Mobile Broadband (eMBB). 1 km. Plus, their throughput conversion values and ratios do not vary a great deal (The conversion values are around 49 Mbps). Simply select network type and type in the LCID/CID. 3 km with a mean DL throughput of 9. Senior DSP Engineer was asked 27 December 2014 Corner cases while conversions Oct 9, 2015 · What could be reason for rrc connection re-establishment during handover and how to debug this issue in LTE? +1 vote LTE: What all parameters are considered by an eNodeB to allocate the PUSCH resources for an UE ? Aug 28, 2024 · Deprecated: ACTS, including SL4A, the device-side helper app for ACTS tests, was deprecated in October 2022 and is no longer being maintained. Jan 2, 2024 · 3. We consider the higher LTE-Advanced band at 2. On completion of 24 hours, steps 1, 2, and 3 mentioned above are repeated. If we consider a 2×2 MIMO system then this throughput will be double i. Jan 18, 2015 · Test the user claims by checking the speed/throughput using some tool like Iperf, setting up FTP server on the LAN etc or any other tool. It’s recommended that no debug build should be used for executing throughput. Oct 22, 2017 · Thank you for sharing this insightful article on LTE throughput optimization and the role of PDCCH enhancements in achieving it. Today, we will talk about How much throughput you can achieve (in theory) for LTE Downlink TDD scenario. Analyze LTE attach procedure logs for EN-DC setup. Let’s take the example for LTE using FDD, where channel bandwidth can be 5 MHz, 10 MHz and 20 MHz. The data rate at this step is determined only by number of REs allocated for the data and the modulation method (QPSK, QAM, 16 QAM etc). The way to calculate the ideal throughput using these factors are explained in "Throughput Calculation Example" in Quick Reference page. Average DL user throughput is 7. Throughput estimation for 5G is complex, involving many factors and deep knowledge of the 5G standards. Explain Non-Measurement Based procedures for EN‑DC setup. This page is aimed at summarising what’s involved: 5G Maximum Capacity Estimation. As LTE evolves, you would see more and more new channels are added and this mapping gets more complicated. The document discusses factors that influence data throughput over LTE networks. 12. Important factors are listed in two categories: physical layer factors like transport block size, code rate, CFI value; and other factors like buffer status reports, CQI reporting accuracy, transmission mode, TCP 4G LTE: 4G LTE Throughput calculator, 4G LTE Link budget calculator, 4G LTE Cell ID (ECI) Calculator, 4G LTE EARFCN calculator, 4G LTE RS RE Power calculator, 4G LTE Users (CCE) calculator, Spectral Efficiency 4G LTE calculator, 4G LTE Timing Advance Distance Calculator, EPRE (Energy Per Resource Element) Calculator, 4G Neighbor planning Feb 12, 2015 · The maximum data rate depends on channel bandwidth. Jun 11, 2017 · Physical optimization(M. The model in this example measures the throughput of an end-to-end PDSCH simulation. To avoid issues with maintenance and feature support, we recommend migrating your test coverage to the Mobly test framework. Use this calculator to calculate LTE throughput, and carrier aggregation Throughput. Senior DSP QA Engineer was asked December 12, 2020 LTE Throughput Analyzer Overview. (DL) throughput of 13. Use this page calculate things such as eNB ID/RNC-ID/BSIC or hex values of IDs. ), and how data flows within the LTE network. 104. Repeat the same set of test for wired users to Measure PDSCH throughput of the 5G NR downlink. So, in stead of directly jumping into max throughput test, increase the throughput step-by-step and check CPU utilization (e. The throughput at the last step in the process can be defined as physical layer throughput. 7, 9. It also addresses the impact of smartphone orientation, with results quoted for three different elevation angles. 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. 8×2= 201. Throughput Calculation - From UE Cateogory . Useful commands and logs to collect before contacting TAC support •Show usb •Show inventory •Show uplink •Show uplink cellular details Long-Term Evolution (LTE) cellular networks have transformed the mobile business, as users increasingly require various network services such as video streaming, online gaming, and video conferencing. Below is LTE Throughput Calculator . I made several examples of resource allocation and its ideal throughput as follows. S. 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. Dec 6, 2023 · 5G log analysis involves examining and interpreting log files generated by 5G network elements and devices to gain insights into the performance, health, and security of the 5G network. This rising demand for network utilization has demonstrated the need for more service improvement. Previously I discussed LTE throughput that can be achieved in Downlink for LTE FDD case. 8×4= 403. 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. The LTE AP attempts to connect to the LTE AP Management If an LTE AP is unable to connect, it keeps on retrying for 24 hours. Describe how UE obtains system information. The example uses the LTE Toolbox functions to generate a multi antenna downlink Reference Measurement Channel (RMC) R. Throughput prediction plays an important role in real-time video and audio streaming services that require low-latency network protocols. 6 Mbps and with 4×4 MIMO system then throughput is about 100. Feb 5, 2017 · LTE THROUGPUT TROUBLE SHOOTING. 25–3. TCP throughput is determined by various factors such as TCP window size, loss probability and RTT. LTE Throughput Calculator . 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. Recommended Links for Throughput Test/Optimization LTE level throughput (e. The coverage area for the LTE 800 MHz base area in the Kumpuvaara area had a maximum distance of 17. 4, and 12. Describe how the network and UE indicates EN-DC support. However, the rough Debug issues in end to end data throughput in LTE protocol stack in live… Show more Test modem system for LTE-WLAN coexistence algorithms, LTE RRC and NAS spec, data throughputs for different Jul 23, 2021 · Debug log enabled: Sometime throughput will be less because debug log level is high or more development log is enabled. What is Throughput? • The term throughput refers to ratio of data transmitted in unit of time. LTE Call Processing , LTE Throughput Debugging UL & DL, Radio Procedures, SON Features, Python File handling & post processing methods etc. Jan 5, 2024 · Training in LTE protocol testing typically covers a range of technical aspects related to LTE networks and protocols. LTE throughput calculator EXAMPLE: Input : MCS = 10, PRBs = 20, Number of MIMO Antennas = 2 Outputs : LTE throughput = 6. LTE solutions target new cellular networks. This is the first message from UE to eNB when you power it on. PRE-REQUISITE This paper compares the downlink throughput performance of LTE-Advanced in two different frequency bands. Furthermore, with rising demand and complexity, traditional network management The class covered the following topics :Throughput Debugging AnalysisLTE FDD Frame StructureLocations of PDCCH, PCFICH,PDSCH,PSS ,SSS in Resource blockConnec It covers the same for 5G downlink throughput and 5G uplink throughput. Open LTE Throughput Analyzer App. 8 km, the throughput further declined to 1 Mb/s. Jan 2, 2024 · Throughput in LTE (Long-Term Evolution) refers to the actual data transfer rate or the amount of data transmitted over the network in a given time period. If we disable logs, we may get expected throughput number. Sep 1, 2020 · It considers low average throughput for the cells with the range 200–400 MB average traffic volume. Dec 11, 2020 · Estimating the Maximum Throughput and 5G Capacity for modern Wireless Networks is complex and requires understanding of the 5G standards. The measured value of the LTE cell range will be an important step to calculate the coverage probability of the real on-site LTE network. At the first stage of LTE(Rel 8), we started with "Orange colored" channels and now (Rel 13) we see a several new colors (channels) as below. Cisco 4G LTE NIM is feature-compatible with Cisco EHWIC 4G LTE. • The unit of throughput is bits per second or bps. These conditions are the most common condition for maximum throughput test. Definition of Phy layer Throughput = (TB Size * 8 bits/byte * Num_Layers * 1000 ms/ sec) bits/sec PAGE 16 -N9825 1 B May 2012 Qualcomm Confidential and Proprietary |80 MAY CONTAIN U. Based on the test results (Please refer to Figure 3 and Figure 5), for uploading, all three LTE routers meet the criterion. 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. tilt and E Tilt) will always help to get a godo RSRP and throughput. A network planning approach is required for network services to meet user expectations and meet their needs. Outline Measurement Based procedures for EN-DC setup. g, you can monitor the CPU utilization using Windows Task Manager) Dec 29, 2022 · Throughput is a basic KPI on any LTE network. Mostly common deployment of LTE in North American market is FDD based. Finally, we suggest scaling the proposed model into the future standalone 5G network. •To achieve higher edge throughputs withou Apr 1, 2023 · 1. LTE throughput calculation formula or equation Apr 15, 2022 · 9004-LTE tips to debug . It recommends writing down all components in the data path and having tools to measure each component. As LTE uses different channel bandwidths both for FDD and TDD. 22 Mbps . Dec 6, 2023 · Debugging of 4G NETWORK | Parameters to check for DL and UL speeds while debugging from network point of view. is helpful to know , how they are performing . 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". To open the LTE Throughput Analyzer app, select the APPS tab on the MATLAB desktop and click the following icon. Highlights •The main objective of the proposed scheduling algorithm is to increase the edge throughput without sacrificing cell throughput in LTE networks. This site is for everything on 4G/LTE. NR\LTE protocol\Throughput debugging. Let's delve into the technical details of throughput in LTE: 1. 23. Even though they use a little bit different name, in all cellular technology (CDMA, GSM, WCDMA, LTE) there is a specific signal that perform the same function. Radio Frequency (RF) driving test was used to collect the parameters of LTE data at a different route with an average total of 10Km. Downlink throughput vs Uplink throughput. Operating Mode Notification Following shows the channel mapping for various downlink data. Transmission is simulated using the Extended Pedestrian A (EPA) propagation channel model. 6 GB. In this write up we will learn briefly general troubleshooting guidelines for downlink throughput in LTE networks with MIMO 2x2. Here's a breakdown of what such training might include: LTE Basics: Understanding the fundamentals of LTE technology, including its architecture, components (eNodeB, MME, SGW, PGW, etc. Similar in the third cluster, the number of output rows is 43,047 rows for 100 eNB. The general One of the first things to do is: confirm parameter settings, system configuration and RF environment. Distance from cell, max number of active UE are responsible for poor throughput. Dec 23, 2019 · How is uplink throughput in LTE calculated? If modulation used is 64 QAM (6 bits per symbol) then throughput will be 16. In this theory, LTE would have less problems since LTE can have very large data pipe that can carry a whole C-Plane/U-Plane packet with single transmission. Feb 25, 2020 · Once we are capably able to create the client and server we can test total bytes transferred and seconds count with packet drops though for solid validation we need Log capturing tools to monitor The SC-R sets relevant IP address of the SecGW and LTE AP management (ACS) on an LTE AP. If all network parameters are well set then azimuth as per the traffic density can help. Senior DSP QA Engineer was asked December 12, 2020 Sep 1, 2011 · We describe issues on the TCP performance in LTE networks. This is the common configuration for customer Network. AND INTERNATIONAL EXPORT CONTROLLED INFORMATION Jul 26, 2021 · Second, we develop machine learning models using lower-layer metrics, describing the radio environment, to predict the available throughput. 8×6=100. Aug 1, 2017 · Long Term Evolution (LTE) standard is conceived as an all IP network to achieve higher data rate, low latency, scalable bandwidth, mobility and extended coverage. 6 Mbps, and that seems to be good average throughput with the highest traffic volume with an average 3. This should tell us the throughput and speed while accessing any internal resources via wireless and will rule out any Internet access related issue as well. 100. This post is to address common issues that affects downlink throughput and also to dig into possible solutions. g, 100 Mbps and over) is pretty tough task not only for IP stack, but also the IP application software and CPU utilization. The measured data analysis results showed that the mean Downlink (DL) throughput corresponding to each MCS was 10. • Furthermore NSA could be provide the advantage of using feature: DL NR+LTE aggregation. Experienced in debugging protocol software issues across the protocol stack (APP/CM/SD/NAS/AS/PHY) of UMTS/LTE/5GNR wireless technologies Jan 6, 2010 · LTE Call Processing , LTE Throughput Debugging UL & DL, Radio Procedures, SON Features, Python File handling & post processing methods etc.
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