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Lte throughput improvement
Lte throughput improvement. Let's delve into the technical details of throughput in LTE: 1. 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". Optimization techniques were applied, including adjusting antenna tilts, electrical tilts, and base station powers. Jan 11, 2024 · Although similar to DL throughput, UL throughput has special considerations to take when analyzing performance issues on a network. The goal of QEEA is to achieve maximum throughput and improve the EE by using low transmitted power (43 dBm), which is the lowest power setting according to the 3GPP LTE specifications. 7–1. In this paper, we investigate resource block (RB) assignment 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. xlsx), PDF File (. 5G is significantly quicker than LTE. txt) or view presentation slides online. In this paper, a new scheduling algorithm named percent proportional Feb 5, 2017 · LTE THROUGPUT TROUBLE SHOOTING In this write up we will learn briefly general troubleshooting guidelines for downlink throughput in LTE networks with MIMO 2x2 The general troubleshooting strategy Mar 16, 2024 · Conversely, the VZW-n5 channel uses a higher proportion of QPSK and 16-QAM modes, which also explains the low normalized throughput of this channel. Oct 1, 2012 · The simulation shows optimized effective MCS selection schemes that not only ensure the BLER performance with bad channel condition but also improve system throughput with good channel condition Aug 30, 2011 · DOI: 10. Oct 19, 2021 · It further explains how CQI is used to estimate MCS and throughput and what are the factors affecting each of them. Many papers have been developed to improve the throughput of TCP traffic. The recent research and development in machine learning for wireless communication networks focus on making these networks more efficient, intelligent, and optimal. This chapter therefore constitutes one of the core topics of the book: the practical phases in the analysis and Dec 29, 2022 · DL Throughput = (DRB Data Transmitted – Last TTI data) / Time Elapsed where DRB stands for Data Radio Bearer. This is done and measured as a function of different arrival rates of UEs assigned from random positions in the cell. However, the dynamic change of a TDD configuration has not been well supported and investigated. May 6, 2012 · A scheduling method is proposed, which enables muting only when the throughput improvement obtained by muting is superior to the total throughput possible without muting, and a reference signal interference canceller, in which the UE cancels the reference signal being transmitted from the neighbor BS, is proposed. 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. This increasing demand in Jan 1, 2018 · Download Citation | On Jan 1, 2018, C Ramesh and others published A novel MAC scheduling algorithm for TCP throughput improvement in LTE system | Find, read and cite all the research you need on A novel and practically feasible scheduling algorithm is proposed to handle the TCP traffic in order to improve the overall LTE cell and UE throughput and shows that significant gain is achieved in throughput under specific traffic conditions. 7 Mbps during peak, and that is suitable for high traffic volume in this cluster. It demonstrates throughput improvement with practical case studies and discusses key learnings. In 2008, the International Telecommunications Union (ITU) recommended that data throughput on LTE networks needs to be as high as 1 Gb/s in ideal low-mobility circumstances. Understand how to look at LTE architecture strategically from performance and optimization perspective. Drive tests were conducted before and after to measure metrics like RSRP LTE Throughput Improvement - Free download as Powerpoint Presentation (. In this work, a novel and practically feasible scheduling Oct 21, 2019 · LTE TDD+FDD CA; CSFB; Latency LTE Optimization; improve of CA user throughput; Coverage Based HO (choose between UTRAN and Geran; cell reselection criterion and process; UL Throughput Improvement; improve DL throughput based on variable target IBLER; Improving LTE Uplink and Downlink Throughput durin how to guarantee some VIP user’s Aug 30, 2011 · From both analysis and simulation results, it is shown that the system throughput of all the proposed schemes are better than that of the scheme in [7], and the MCS selection scheme using harmonic mean based effective packet-level SINR almost reaches the optimal performance and significantly outperforms the other proposed schemes. Original code from Github. It provides analysis flows for investigating downlink and uplink throughput issues using performance counters. It improves on those standards' capacity and speed by using a different radio interface and core network improvements. 4. com Feb 5, 2024 · LTE Throughput Optimization: Part 2 – Spectral Efficiency. Jan 12, 2018 · In this work, a novel and practically feasible scheduling algorithm is proposed to handle the TCP traffic in order to improve the overall LTE cell and UE throughput. The overall goal of the process is to ensure that the coverage, capacity, and performance requirements defined during the initial design phase are met in the deployed network. Apr 26, 2009 · Simulation results indicate that TTI bundling provides a gain of more than 4 dB in terms of the sustainable path loss and compares it to the conventional RLC segmentation. The optimization process aims to maximize data throughput, minimize latency, improve coverage, and ensure efficient resource utilization. 7 and 3. Speed. In this paper, LTE-A Uplink performance will be improved using Synchronous direct and multi-hop transmission (SDMT) between user equipment and Base Station. This post is to address common issues that affects downlink throughput and also to dig into possible solutions. View lte-low-throughput-analysis-and-improvement-techniques-ppt_compress. Inter-cell interference coordination (ICIC) is attracting attention recently May 13, 2019 · The course begins with an introduction to LTE performance management which leads into the anatomy of LTE optimization. Aug 24, 2016 · Dynamic time-division duplexing (TDD) enables adjustments of uplink (UL) and downlink (DL) resources flexibly according to the instantaneous traffic load. 6 Network capacity analysis based on KPIs is essential for cellular network performance optimization. LTE level throughput (e. This white paper addresses the wireless network optimization challenges from a radio network perspective. Then another evolution for throughput improvement started being adopted. This interleaver is a conflict-free parallel turbo coder and provides maximum flexibility in supporting the parallelism. lte LOW throughput analysis & improvement techniques objective Analysis MCS-Selection-for-Throughput-Improvement-in-Downlink-LTE-Systems - Free download as PDF File (. Jul 31, 2011 · In this paper, we investigate resource block (RB) assignment and modulation-and-coding scheme (MCS) selection to maximize downlink throughput of long-term evolution (LTE) systems, where all RB's assigned to the same user in any given transmission time interval (TTI) must use the same MCS. This chapter focuses on LTE network KPI analysis to evaluate and detect LTE performance. 5 Mbps. Dec 29, 2022 · Throughput is a basic KPI on any LTE network. The throughput ramp-up improvements directly reduced YouTube TTC for both WCDMA (which saw a 43 percent reduction) and LTE (which saw a 62 percent reduction). May 13, 2019 · Investigate practically what factors to look for when improving poor throughput in LTE. The proposed algorithm is compared against other scheduling algorithms, namely, the Channel and QoS Aware (CQA), Priority Set Scheduler (PSS), Proportional Fair Oct 31, 2016 · Controlling TCP ACK transmission for throughput improvement in LTE-Advanced Pro Abstract: The 3 rd Generation Partnership Project (3GPP) is standardizing LTE-Advanced (LTE-A) Pro. It then includes LTE users, LTE scheduling, LTE traffic downlink/uplink analysis, transmission time interval (TTI) utilizations, throughput analysis, physical resource block utilization analysis, modulation The total LTE-A uplink Throughput, average throughput per user, and Mean File Transfer Time (MFTT) in the LTE-A network are considered as performance measures. It can be used in IMT-Advanced technologies such as 3GPP LTE-Advanced. pdf), Text File (. Design of scheduling algorithm for Transmission Control protocol (TCP) based traffic is challenging in wireless networks. In-depth coverage of KPI Analysis for LTE Accessibility, LTE Retainability, LTE Integrity, LTE Mobility, and LTE Utilization are provided as the core of this course’s content. 2011. Current video streaming service determines video quality Long Term Evolution (LTE) focused on providing high data rates at low latency when compared to previous-generation technologies. com----- The document provides an analysis flow for investigating and improving low throughput in LTE networks. Use this calculator to calculate LTE throughput, and carrier aggregation Throughput. However, min DL user throughput in L900 is between 1. In the end, it touches the BLER control algorithm with details about BLER Target and its implications on the scheduling algorithms. Dinkelbach’s method is a powerful computational algorithm to improve QoS, reliability, energy efficiency (EE), spectrum efficiency (SE), reduce latency, throughput improvement with full Sep 1, 2020 · Min DL throughput in L2100 has a range of 0. It is a critical metric that directly impacts the user experience and the efficiency of the wireless network. Furthermore, with rising demand and complexity, traditional network management MIMO technology on data rate (throughput) improvement in LTE deployment. However, if a User Equipment (UE) at the cell edge is limited by its available Dec 9, 2023 · LTE (Long-Term Evolution) optimization involves fine-tuning various parameters and configurations in a wireless network to enhance its performance, efficiency, and user experience. 1109/ICCCN. xls / . Jul 1, 2011 · Firstly, we select a 2×2 MIMO system and simulate its throughput (higher dimensional MIMO systems can easily be used in the same way) with a 10 dB power imbalance between the two receive ports Nov 28, 2017 · The LTE throughput optimization procedure described in this article requires PDCCH enhancements. 6005743 Corpus ID: 2780603; MCS Selection for Throughput Improvement in Downlink LTE Systems @article{Fan2011MCSSF, title={MCS Selection for Throughput Improvement in Downlink LTE Systems}, author={Jiancun Fan and Qinye Yin and Geoffrey Y. Learn five practical ways to start Optimizing LTE network immediately. g, you can monitor the CPU utilization using Windows Task Manager) Definately this is mainly for increasing the throughput. The idea of reducing PDCCH resources to increase PDSCH resources and subsequently improve data transmission per subframe is intriguing. at@gmail. Question: What counters to look for when looking for Throughput improvement in LTE? Answer: It is better to understand the behavior of a certain part of the network. [1] [2] LTE is the throughput speeds of 2. Jan 1, 2019 · From two candidates as Quadratic Permutation Polynomial (QPP) and Almost Regular Permutation (ARP), QPP was selected to improve the maximum throughput of the system. After that you can always figure out, where to go and look for counters. I explained the gains of optimizing the PDCCH (control part) of the LTE subframe in my previous article. g, 100 Mbps and over) is pretty tough task not only for IP stack, but also the IP application software and CPU utilization. Sample cases demonstrate how issues like low CQI, interference, and configuration errors were identified and resolved through parameter tuning or configuration changes. So, in stead of directly jumping into max throughput test, increase the throughput step-by-step and check CPU utilization (e. pptx), PDF File (. Compared to WCDMA, the LTE radio access has a significantly shorter Transmission Time Interval (TTI) in order to reduce end-to-end delays. Since the initial LTE deployment, 2 x 2 MIMO has been the dominent feagure for most of LTE device and LTE network. Radio Resource Management Apr 26, 2009 · A new Radio Network Temporary Identifier (RNTI) aggregation method to solve the control overhead issue for the multiplexing scheme of Voice over LTE (VoLTE) in PMR context and the results show that the RNTI aggregation method can increase the control capacity of the multipleXing scheme up to 170%. In large macro cells, the high transmit power of base stations (BSs May 24, 2021 · This paper proves network QoS improvement in terms of minimum user rate, throughput and routing overhead in packets delivery from source to destination. 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. Scribd is the world's largest social reading and publishing site. Both Ericsson and Huawei user throughput formula taken into consideration this. For LTE, ATT-b2 mainly uses a combination of 64-QAM and 256-QAM modes, and this results in the highest normalized downlink throughput performance among the LTE channels. In LTE networks, which are primarily designed for data services, traffic is a key performance indicator (KPI) that reflects network performance. The analysis flow includes checking KPIs, parameters, and features related to coverage Throughput Improvement Actions | Ericsson Internal | 2015-06-04 | Page 9 Features or Parameters PDCCH Power Boosting Enhanced PDCCH Link Adaptation Data Forwarding at Intra-LTE Handover Fractional Pathloss Power Control PDSCH BLER Adjustable CRS Power UE Level Oscillating Handover Minimization Handover Parameter Investigation Pre-scheduling The past decade has witnessed a staggering evolution in cellular networks. Here's a technical overview of LTE optimization: 1. Many papers have been developed to solve the scheduling problem for the full buffer traffic. It was Carrier Aggregation (mainly Carrier Aggregation between two different bands). This rising demand for network utilization has demonstrated the need for more service improvement. Let’s have a look at the data part (PDSCH) and find out various ways to improve it’s efficiency. This document discusses techniques for analyzing and improving low throughput in mobile networks. The numerous services brought to the users by 4G network have caused an increasing load demand. LTE standard provides different Quality of Service (QoS) options which enable to provide multiple services to the User Equipment (UE). 5G Throughput Optimization Basics #1 – Data Scheduling & Link Adaptation Improvement DL from 712 Mbps to 875 Mbps = 163 Mbps ( 23 % increase) Improvement UL from 54 Mbps to 120 Mbps = 66 Mbps (122 % increase) • This significant improvement in Uplink Throughput has a very relevant influence in industry use cases, from not being feasible with LTE to be fully enabled by 5G Conclusions Jul 11, 2022 · Differences Between LTE and 5G. In order to get the best performance out of an LTE network, it needs to be optimized continuously. txt) or read online for free. The main goals of LTE network improvement include achieving faster data rates (throughput), reducing latency, lowering costs, and increasing system capacity and coverage. Oct 22, 2017 · This article provides valuable insights into LTE throughput optimization, with a particular focus on PDCCH enhancements. One of the technical challenges is the reduction of the uplink latency, which is larger than the downlink latency, aiming at improving the Transmission Control LTE Throughput Calculator . 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. This document lists various radio network parameters and provides recommended settings and remarks for each parameter. Definition of LTE Throughput Improvement Parameter - Free download as Excel Spreadsheet (. System performance and optimization are crucial steps in the efficient deployment of LTE systems. See full list on techtrained. An uplink grant is provided at the time of scheduling Downlink (DL) TCP traffic for acknowledgement transfer which minimizes TCP throughput fluctuations which improves cell and per This allowed dtac to deliver performance improvements that were directly visible to consumers, even though peak throughput was similar once the download process had ramped up. Also the effect of Apr 1, 2023 · Throughput prediction plays an important role in real-time video and audio streaming services that require low-latency network protocols. We propose a machine learning algorithm to improve the performance of LTE in a real-time deployments . 1 For example, the throughput prediction can be a solution that can improve quality in video streaming applications such as YouTube or NetFlix [2]. It outlines steps to analyze downlink and uplink throughput from a performance counter perspective. ppt / . Initial analysis found some parameters needed improvement, like high latency, coverage holes, and low SINR. Oct 29, 2022 · #Payload+DLPRB+AvgRRCConnectedUsers+AvgUEDis+ULRSSISubscribe Like and ShareEmail Id: ankurtomar915. Li and Bingguang Peng and Xiaolong Zhu}, journal={2011 Proceedings of 20th International Conference on Computer Communications and Multi-hop Relay networks are proposed to fulfill the demanding coverage and capacity requirements for current applications in a cost efficient way. We develop several effective MCS selection schemes by using the effective packet-level SINR based on This document analyzes LTE throughput optimization for three cell sites - e1028, e1047, and e1082. Design of Sep 16, 2019 · In recent years, the network operators have paid more attention to user experience. 1 MIMO Throughput Results The maximum achievable downlink and uplink throughput results evaluated for 2x2 MIMO with Huawei E5375 Hotspot and 4x4 MIMO for Terminal 1 and 2 as UEs are extracted from Appendices B, C and D were computed as presented in Table 2. The general idea is that the LTE subframe is made up Read More October 21, 2017 November 3, 2021 Ali Khalid 120 Comments Telecom LTE Throughput Optimization , PDCCH Nov 4, 2014 · But despite these rather small (in terms of milliseconds) improvements of the radio round trip time, the total increase in in the perceived throughput and delay savings of downloading an item below 1MB is significant due to the additive effect of LTE latency improvements in the TCP slow start. Is one of the three major KPI, along with and latency and packet loss when we measured what it’s called “the integrity” network. 1. pdf from ITU 2 at Istanbul Technical University. 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. The modulation schemes used during peak hours have about 50% of users during peak in this cluster which is the best CQI categories from 10 to 15. The design of scheduling algorithm is a great challenge in long term evolution (LTE) system to improve the overall system Quality of Experience (QoE). Long-Term Evolution (LTE) systems can be implemented in TDD mode (TD-LTE). Key learnings are 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.
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