Lte throughput improvement. The quality of DL-Throughput is a critical element for video streaming and gaming. It is different from [] through that the previous work does not include the This motivates us to study methods for improving the cell-edge user throughput for 4G and 5G systems. This paper and the proposed algorithm use reinforcement learning for the link adaptation with the goal of link throughput maximization. 3 km with a mean DL throughput of 9. An uplink grant is provided at the time of scheduling Downlink (DL) TCP traffic for acknowledgement transfer which minimizes TCP throughput fluctuations which 1. Different from joint transmission (JT), in which the desired signals for a user equipment (UE) are simultaneously transmitted from multiple Long Term Evolution (LTE) focused on providing high data rates at low latency when compared to previous-generation technologies. With the help of Table 2 , the hardware infrastructure regarding the coexistence of both communication technologies (4G LTE and 5G NR) can be developed. The TIP is "There is NO SHORTCUT for Since throughput is a major indicator of the network's performance, throughput modelling and prediction can be utilized for analyzing network quality. It was Carrier Aggregation (mainly Carrier Aggregation between two different bands). Here's a 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. The pass loss is expressed as [15,16]: AMC causes performance improvement in LTE system. Furthermore, acquiring additional data from network operators with information about the average cell throughput (LTE-A) Network Towards 5G Network C. DOI Link: https LTE and 5G-NR carriers are aggregated to enhance the coverage, channel capacity, and data speed . The case studies and troubleshooting parts include detailed data analysis flow charts for LTE uplink and downlink, throughput optimization examples, LTE intra/inter‐frequency handover and cell reselection optimization processes, LTE inter‐RAT handover and cell reselection (to/from WCDMA). Home Boosters; 1-2 Rooms. algorithms for LTE downlink, though it still lacks schedulers that provide throughput guarantees. 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 analysis flow includes checking KPIs, 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 In telecommunications, long-term evolution (LTE) is a standard for wireless broadband communication for mobile devices and data terminals, based on the GSM/EDGE and UMTS/HSPA standards. Acquire, amplify, and direct a weak signal with a cellular booster. Effective CQI feedback schemes by mapping signal-to-interference plus noise ratio (SINR) to CQI type based on effective SINR mapping (ESM). Throughput prediction plays an important role in real-time video and audio streaming services that require low-latency network protocols. Use this page calculate things such as eNB ID/RNC-ID/BSIC or hex values of IDs. However, [19] is aimed at LTE network while the proposed algorithm is with an advanced BS receiver can yield over 27% improvement in cell average throughout along with over 10% cell edge throughput improvement compared to SU scheduling. Carrier Aggregation, 8x8 MIMO, etc. PDCCH Capacity Enhancement. Det the overall throughput of MCS selected through power allocation of the Fan’s scheme, is larger than that of the scheme based on minimum MCS selection. 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. November 28, 2017 November 3, 2021 Ali Khalid 133 Comments Telecom CQI & MCS Mapping, There are many ways to optimize LTE throughput and I will try to cover all of them. really??? Long Term Evolution—Advanced (LTE-A) is the most widely used and encouraging technology for 4G and 5G mobile networks. The analysis shows several important performance indicators affecting 4T4R performance, such as RRC_connected user, PRB utilization, cell throughput, user throughput, and RI ratio, how these indicators are related to Orthogonal Frequency Division Multiple Access (OFDMA) is the key technology in LTE [1]. Rate improvement: Massive CA 3. Then another evolution for throughput improvement started being adopted. Analysis of LTE radio load and This paper proves network QoS improvement in terms of minimum user rate, throughput and routing overhead in packets delivery from source to destination. (The reason is same as above) Recent research has been focused on development of models to enhance the resources allocated to Device to Device Communication (D2D) within LTE-A cellular network, which is considered as promising technology for improving network throughput, spectrum efficiency and transmission delay. As a result of assigned higher uplink MCS, there is also a visible improvement in modulation used by HPUE compared to the legacy device. In this paper, two We present a comprehensive investigation of the LTE performance analysis, where the Bit Error Rate (BER), Block Error Rate (BLER) and throughput performance 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. The speci fi c KPI information are presented in Figs. Among these approaches, we can e. Pilot Power Allocation Modern standards for wireless communication systems such as LTE and Worldwide Interoperability for Microwave Ac- improvement in the quality of the channel estimate. Downlink performance of LTE-A was discussed in , which clarified the relationship between modulation schemes and antenna polarization. 10 Currently, fixed-LTE CPEs are challenging the fixed-line connectivity, typically FTTH (optical fiber), in those locations where it is limited, or poor, or where investment costs to existing LTE downlink scheduling algorithms; the performance in terms of QoS, packet loss and fairness is improved throughout all evaluations. 10. Midsize Homes. Cover up to 2,500 sq. Long-Term Evolution (LTE) systems can be implemented in TDD mode (TD-LTE). 1 km. ft. Therefore, It is recommended to read OFDMA/SC-FDMA sections to clearly understand throughput calculation in LTE. Let’s have a look at the data part (PDSCH) and find out various ways to improve it’s efficiency. The course is intended for RF 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 • TDD Pattern (4:1) is adapted to improve the Downlink throughput vs Uplink throughput. While LTE speeds reach 100 Mbps, true 4G offers speeds up to 1,000 Mbps. UL Throughput Improvement Trial Result - UL CoMP IRC - 20171226. Maximum Physical Throughput in LTE is (16800 RE) * (6bits) * (1000ms) = 100. LTE-U extends LTE network into unlicensed band and transmits data on both licensed and unlicensed bands under a unified LTE network View RAN- LTE Throughput Improvement. China (e-mail: sxxlyk@163. One In this paper, we present practical methods for increasing the throughput in LTE networks. An overview of capacity and data throughput optimisation in LTE. Semantic Scholar's Logo. Toggle menu. This document discusses techniques for analyzing and improving low throughput in mobile networks. Cell DL Average Throughput: This parameter evaluates downlink data rate between transmitter and receiver, on the throughput of an LTE system is considered in Section II-B. 3: How optimization has evolved asic R optimization KPI improvement (MR, OSS) Efficiency improvement: MR, OSS, signaling data application E2E service KCI: RF/RAN Bearer/CN/transport UE SP Voice/service LTE Uplink Throughput Troubleshooting - Free download as Word Doc (. Improve Uplink throughput Reconfigure the physical random access channel (PRACH): Definately this is mainly for increasing the throughput. The LTE standard is intended to provide a downlink speed of 150 Mbps and an uplink speed of 50 Mbps over High throughput of data from multiple users at a particular cell tower will reduce the signal quality and bandwidth locally available. This example shows a significant data throughput boost of 78% in average and 85% for the peak data rate. iscointl. However, this design made the resource allocation a complex task in LTE. Prerequisites: 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. LTE provides high throughput, low latency, better Quality of Service (QoS), and more capacity than the previous technologies after doing a significant enhancement in Rel-9. 2, respectively. at@gmail. Current video streaming service 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. We develop several effective MCS selection A new analytical model for throughput of LTE-LAA and and demonstrated that if both Wi-Fi and LTE employed a Fig. With the help of codebook grouping, the authors propose some suboptimal and low-complexity scheduling algorithms to improve system throughput. 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 tra jectories of 4G LTE RSRP, RSRQ, SINR, and PCC PHY Throughput performance distributions are as shown in Figs. With the rapid grow of user terminals in LTE networks, ICI levels are rising and ICI becoming the Semantic Scholar extracted view of "Improvement of throughput in vehicular ad-hoc networks using RODEO, a method for radio resource reallocation over LTE" by Idoia De-la-Iglesia et al. Simulation result shows improved TCP throughput under various scenarios with TCP Reno and TCP SACK. A. H. 2011. Even though there is huge difference between LTE and Non-LTE in terms of physical layer implementation, you can just think of this as just extention of HSPA. Despite the base station involving several ingenious scheduling schemes for resource allocation, the intended outcome might be influenced by the interference, Download Citation | Analysis of LTE Radio Load and User Throughput | A recurring topic in LTE radio planning pertains to the maximum acceptable LTE radio interface load, up to which a targeted Following the progress of LTE-Advanced (LTE-A), peak throughput on the sequence of 300 Mbps was achieved. com Improvement of throughput in vehicular ad-hoc networks using RODEO, a method for radio resource reallocation over LTE. This site is for everything on 4G/LTE. LTE standard provides different Quality of Service (QoS) options which enable to provide multiple services to the User In recent years, the network operators have paid more attention to user experience. 2018 11:18:25. 1 1 School of Aerospace Science and Technology, Xidian University, Xi’an 710071, P. This LTE Broadcast capability facilitates Vehicular-to-Infrastructure (V2I) and Vehicular-to-Network (V2N) communications, leveraging traditional the cellular infrastructure. Get rid of your buffering for good with our 10 easy tips. LTE [3] and LTE-Advanced (LTE-A) [4], [5] are the leading systems for 4G as stated by the 3rd Generation Partnership Project (3GPP) [6]. 3 km. 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 The past decade has witnessed a staggering evolution in cellular networks. For fairness concern, our RB allocation algorithm uses a resource-reservation mechanism to prevent cell-edge user equipments from starvation, and a credit-driven mechanism to keep track of the amount of resource Several articles have been written to increase TCP traffic throughput. In this paper, interference mitigation schemes for LTE downlink networks are Download Citation | Cell Edge Throughput Improvement by Base Station Cooperative Transmission Control with Reference Signal Interference Canceller in LTE System | Inter-cell interference Download Citation | Controlling TCP ACK transmission for throughput improvement in LTE-Advanced Pro | The 3 rd Generation Partnership Project (3GPP) is standardizing LTE-Advanced (LTE-A) Pro. I have an excellent tips for troubleshooting for throughput or throughput optimization. To increase the total LTE cell and UE performance, a unique and realistically practicable scheduling approach is suggested in this study to manage the TCP traffic. huawei. We discuss configurations and deployment strategies fo With LTE, it is straightforward to add additional spectrum, especially with carrier aggregation. This technique improves the spectral efficiency of cellular networks by reducing the number of UEs each Home eNodeB (HeNB) serves 4G-4G Traffic Sharing for LTC(Low Throughput Cells) Improvement in Huawei LTE - Free download as Word Doc (. This work addresses TCP throughput degradation over vertical handover between 3G-LTE and WLAN by considering link layer characteristics of 3G LTE which supports inorder delivery and shows improved TCP throughput under various scenarios with TCP Reno and TCP SACK. However, the dynamic change of a TDD configuration has not been well supported and investigated. It provides analysis flows for investigating downlink and DL Throughput = (DRB Data Transmitted – Last TTI data) / Time Elapsed where DRB stands for Data Radio Bearer. pdf from ITU 2 at Istanbul Technical University. In In this paper, we investigate resource block (RB) assignment and modulation-and-coding scheme (MCS) selection to maximize downlink throughput of long-term This site is for everything on 4G/LTE. Hence, careful management of inter-cell interferences becomes crucial to improve LTE system performance. Moreover, we are focusing on optimizing network This paper introduces a method of modulation and coding scheme (MCS) selection, which is based on channel quality indicator (CQI) feedback. 9) operate a 20MHz bandwidth thus multiplying HSDPA/Rel. The LTE. We propose an iterative heuristic optimal resource allocation (HORA) Transmitting an RLC SDU as a single RLC PDU and corresponding transport block with hybrid ARQ. The design of scheduling algorithm is a great challenge in long term evolution (LTE) system to improve the overall system Quality of Experience (QoE). Its sequential counterpart is also attractive in that it yields about 20% improvement in cell average throughput while retaining the cell edge performance of SU scheduling. cite those named CoMP, MIMONevertheless, thanks to interference's presence, a QoS degradation could sometimes be observed. More instances of UL 64QAM were observed for HPUE in below -95dBm conditions enabling it for better throughput and spectral efficiency. In this 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. Transmitting an RLC SDU as a single RLC PDU and corresponding transport block with hybrid ARQ. The overriding factors for the above improvement of HSPA+ throughput performance over that of HSDPA and legacy 3G Rel. So in this case, very high performance IP data server is the most important factor for throughput test. Data Flow through LTE Protocol Stack from [9] When eNodeB (eNB) scheduler allocates Uplink (UL) grant, i. co m Apr. pdf), Text File (. This is done and measured as a function of different arrival rates of UEs assigned from random positions in the cell. The DL Throughput, RSSI, SINR, RSRP, and RSRQ are some of the tested KPIs. Is one of the three major KPI, along with and latency and packet loss when we measured what it’s called “the integrity” network. Search. This chapter focuses on LTE network KPI analysis to evaluate and detect LTE performance. The models are initially validated on the LTE network and then applied to a non-standalone 5G network. Typically, the UE has an algorithm to re-port the channel quality indicator (CQI) to the eNodeB based on the SINR measurement. In essence, throughput can be described in terms of BLER as: Thus, as BLER decreases, the throughput increases. To obtain the correct result, it is necessary to enter such important parameters as: mode of 4G LTE network, number of aggregated carriers, number of 5G Throughput Optimization Basics #1 – Data Scheduling & Link Adaptation. The design of scheduling algorithm is a great challenge in long term evolution (LTE) system to improve the Downlink Throughput Prediction in LTE Cellular Networks Using Time Series Forecasting compared to naive method of using recent measurements for short-term horizon and up to 32% improvement for 5G era, resulting in higher network throughput and latency requirements. 1109/ICCCN. In particular, uplink scheduling in LTE is one of the main DOI: 10. In this SI, it was concluded that the coverage of medium data rate PUSCH (Physical uplink shared channel) is poorer than other LTE channels, with significant gap observed. First, the aerial view and the geographical coordinates of the measurements environment are as shown in Fig. We cover the below mentioned topics 1. Skip to search form Skip to main content Skip to account menu. PDF | On Oct 1, 2017, Rchard Musabe and others published Analysis on how to improve throughput efficiently in LTE-advanced network controlled D2D communication | Find, read and cite all the The target figures for data throughput in the downlink is 1 Gbps for 4G LTE Advanced. Simulation results show LTE-A uplink performance improvement Inter-cell interference coordination (ICIC) is attracting attention recently. For the 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 Since the introduction of LTE in 2009, several improvements had been developed, however, mainly targeting the increase of the maximum data rates of the system, e. Introduction. This is a technique mainly improving cell-edge throughput by coordinating scheduling and signal transmission of multiple BSs. Calculator is based on 3GPP communication standards and allows you to calculate the maximum throughput of 4G LTE networks. Search 220,557,841 papers from all fields of science Downlink throughput performance in Long Term Evolution - Advanced (LTE-A) networks has been widely investigated by many simulation studies. Nishanthi and N. vaanya sharma on SFP Transceivers Explained; Keesha Harr on How Your Business Can Do Its Part For The Environment? Lorna Holifield on 5G Call Flows and Signaling – How a 5G UE performs Initial Access; While testing LTE Network performance, its observed that sometimes we find difficulty to Achieve base Line UL/ DL throughput targets although we have good radio environment. Therefore, the A clear analysis of 4T4R performance data in a commercial FDD LTE network is presented in this paper. pptx), PDF File (. There is a clear advantage of Verizon UL, most likely due to the aggregation with the 20 MHz band 66 LTE carrier and the proximity of the location to the BS enabling higher modulation LTE_mobile_optimization-a_definitive_guide_wp_en_5216-2018-52_v0100. Looks like you're from the United States. In addition, this allows messages to be It has been realized that with the increase in frequency for both 4G LTE and 5G NR, there will be the decrease in BER, BLER and increase in throughput. In this work we contribute to fill this gap by implementing a scheduling algorithm that provides long-term throughput guarantees to the different users, while opportunistically exploiting the instantaneous channel fl uctua- The KPIs derived from the experimental data are briefly described as follows. General This is the 2nd article for 5G Throughput Optimization where it is discussed how BLER target plays an important role in 5G link adaptation. the number of segments it brings into flight, until it fully utilizes the throughput LTE The asymmetry tends to cause the uplink congestion and uplink resource shortage for TCP ACK transmission, which has a negative impact on the TCP RTT. Adding new frequency bands to existing deployments is a future-proof and cost-efficient way to improve performance, meet the growing needs of mobile broadband subscribers and deliver new 5G-based services. Even when CQI is high, eNB may assign small resources due to various other factors) ii) Low throughput does not necessarily mean low CQI. 4. Fernandez-Segovia et al. 8. 8 km, the throughput further declined to 1 Mb/s. R. Although LTE is commonly referred to as 4G LTE, LTE is technically slower than 4G but still faster than normal 3G. Analytical models and methods of stochastic geometry have been applied to wireless networks to Request PDF | Throughput Prediction using Machine Learning in LTE and 5G Networks | The emergence of novel cellular network technologies, within 5G, are envisioned as key enablers of a new set of Over the past years, various techniques have been put forward to predict and estimate the network parameters of the LTE network. LTE is designed to offer significantly faster data rates, lower latency, and improved spectral In order to improve network performance and cell-edge UE experience, a study item (SI) on "LTE coverage enhancements" has been proposed and approved for LTE-Advanced. It then includes LTE users, LTE scheduling, LTE traffic downlink/uplink analysis, transmission time interval (TTI) utilizations, throughput LTE (Long-Term Evolution) optimization involves fine-tuning various parameters and configurations in a wireless network to enhance its performance, efficiency, and user experience. 4G/LTE - Measurement Report (High throughput depends not only on CQI, but also on transport block size (Number of RB and MCS. Xianyun Luo Principal Solution Architect OP NRO&FS CD RAN&BB Sweden & Norway Nicola Neri Solution Architect In This Chapter I would like to share about LTC improvement by traffic sharing/offload traffic 4G-4G in Huawei 4G LTE. • Furthermore NSA could be provide the advantage of using feature: DL NR+LTE aggregation. Both Ericsson and Huawei user throughput formula taken into It uses visualization, dimension reduction, and clustering algorithms to improve user DL throughput in the cell or on edge and balances the load. 8 Mb/s, whereas a throughput of more than 10 Mb/s was achieved at a distance of 7. The LTE system offers a 34% improvement in spectrum efficiency, 40% 64-QAM utilization versus 7. With the (LTE) network, with the promised target peak uplink throughput of 10 Gbps [1], which should be sufficient for any multimedia application for many paper focuses on the most advanced features and performance improvement in 4G/LTE systems, since they will be present for some years from now, especially in the developed countries. Link adaptation in Long Term Evolution (LTE) systems dynamically adjusts the data rate of transmitted information (modulation scheme and channel code rate) to equalize the existing radio channel How to improve the LTE UL Throughput - Free download as Word Doc (. - "LTE Coverage Improvement by TTI Bundling" Figure 1. 5 times with advanced CSI feedback and support for 32 antenna ports. 5G and LTE Throughput there are performance issues or opportunities for improvement, we can generally nd them and iden-tify the likely cause(s) of the problem. This paper improves system reliability by optimizing some parameters. The optimization process aims to maximize data throughput, minimize latency, improve coverage, and ensure efficient resource utilization. DOI: 10. The instructor provides practical industry wisdom on how to think and apply the knowledge in everyday optimization scenarios. Figure 1. The coverage area for the LTE 800 MHz base area in the Kumpuvaara area had a maximum distance of 17. MIMO can also improve network performance. The LTE network is usually deployed with adjacent cells using the same frequency band, which significantly improves the frequency utilization efficiency. One reason, we suspect, is that our testing and analysis In LTE, usually they use multiple Antenna for downlink (at least from Category 3 UE and higher), meaning that eNode (Network) has use multiple Tx Antenna and UE use multiple Rx antenna. 4`th Cluster Improvement Trends. doc / . For this purpose, the involved indicators are extracted from network performance counters. comsolutions contact ISCO International at sales@iscointl. 2 Mb/s. The steps include: 1) Identifying cells with low throughput, 2) Checking for uplink As mobile communication develops, data throughput is increasing rapidly [], and femtocell ultra-dense network technology is being introduced to meet the demand for high data rate in cellular networks [13, 14]. g. FA . It outlines steps to analyze downlink and uplink throughput from a performance counter perspective. Normalized throughput versus f d . DL Throughput (Mbps) <4 For more information on ISCO SINR optimization www. MIMO technology significantly KPI Optimization: LTE Call Drop Rate; LTE Throughput Optimization: Part 2 – Spectral Efficiency; Recent Comments. Ali Khalid is a Senior LTE/VoLTE RNPO, NB-IoT and 5G Solution Architect who has successfully led and delivered a number of projects in different regions across the globe including Pakistan, Bahrain, UAE, Qatar, Oman, KSA, Nigeria, Turkey, Poland The subsequent development of LTE-Advanced (LTE-A) yielded peak throughput on the order of 300 Mbps. 99 5MHz bandwidth by a factor of four which is suppose to In this paper aims to improve the packet loss rate (PLR), latency and throughput parameters especially and improve the other QoS parameters generally in the downlink LTE networks, a new scheduler called Hybrid Weighted Exponential Logarithm-Maximum Throughput (HWEL-MT) RULE method has been proposed. LTE can perform comparatively well in the cell-center area due to the strong RSS. This chapter has various details of LTE View lte-low-throughput-analysis-and-improvement-techniques-ppt_compress. e. txt) or read online for free. Qualcomm reached out to us mid-summer and asked us to write a paper which highlights 5G network performance. Operators need to accelerate New LTE Technologies 1. The main goals of LTE network improvement include achieving faster data rates (throughput), reducing latency, lowering costs, and increasing system capacity and coverage. The Video covers LTE radio aspects such RS SINR, PDCCH Capacity, PUCCH Capacity, In LTE, DL throughput directly correlates to SINR. Carrier aggregation (CA) is used in LTE-Advanced to increase the throughput for the user. The KPIs had measured for LTE networks from three telecommunication operators at 1800MHz band with 20MHz bandwidth and the route length 19 Km in Najaf Service Downlink Average Throughput: This parameter has some indicators, which could be used for actual downlink traffic during the busy hours. 2. Results show that 4T4R bring significant gain for live FDD LTE network. txt) or view presentation slides online. 10, Fig. The LTE technology in wireless networks has achieved a significantly high throughput because it makes use of multiple access schemes. Lower latency: optimized scheduling, fast MCS Selection for Performance Improvement in Downlink TD-LTE System. Inter-cell For future work, throughput prediction techniques could be investigated on data with higher granularity. Both LTE and LTE-A use orthogonal frequency division multiple access (OFDMA) in the Cell ID Calculator . We propose a machine learning algorithm to Our scheme is also able to improve TCP throughput by loss differentiation with parameters adapted to new network on vertical handover, considering link layer characteristics of 3G LTE which supports in-order delivery. 1 For example, the throughput prediction can be a solution that can improve quality in video streaming applications such as YouTube or NetFlix [2]. 3GPP decided the LTE network was the fourth generation Massive MIMO will improve the performance of future 5G systems in terms of data rate and spectral efficiency, while accommodating a large number of users. Therefore, these demands increased the need to develop the wireless system to meet the quality of service (QoS) requirement [5][6][7][8][9]. which can achieve higher throughput than coverage-enhanced scheme This paper extends the work presented in [] by proposing a dynamic optimization framework for link adaptation that can maximize channel efficiency and throughput for LTE/LTE-A; it is also used to design the reward function and transition probability. At the distance of roughly 11. The incremental increases are based on TCP ACKs which are received after MCS-Selection-for-Throughput-Improvement-in-Downlink-LTE-Systems - Free download as PDF File (. Authors: Yingying Ji, Fatang Chen, 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. SPECTRAL EFFICIENCY IMPROVEMENTS LEAD TO BETTER KPIs • Higher volume •Faster throughput • More users • Affects both uplink and downlink • Most UL Throughput comparison: From Fig. At the physical layer in 5G and LTE, typical BLER threshold defined is to be ≤10%. For example, an analogy is that we would like to heat a room. 1-800-470-6777 Speak to a Signal Expert | Home Boosters. Data Throughput LTE General . Learn how to evlaluate and validate 4x4 MIMO networks with scanners and handhelds. In this work, we study joint resource allocation for LTE over the Course participants will be provided with starting points to consider and to investigate whenever they are faced with a throughput optimization problem in LTE. The recent research and development in machine learning for wireless communication networks focus on making these networks more efficient, intelligent, and optimal. Who Should Attend. However, if a Abstract: Network capacity analysis based on KPIs is essential for cellular network performance optimization. How can I improve my cellular signal? 7 Top Tips for Boosting Cellular Connectivity. Furthermore, with The document provides an analysis flow for investigating and improving low throughput in LTE networks. This post is to address common issues that affects downlink There are many ways to optimize LTE throughput and I will try to cover all of them. Lakshmi Prasanna Jasti et al. To maintain the BLER under this threshold, gNodeB’s use a link-adaptation algorithm based on the UE’s feedback to signal a lower MCS and coding a huge uplift of the uplink throughput, the improvement can only be seen when the User Equipment (UE) is connected to the high-frequency millimeter wave (mmWave) band. 2 MCS Selection for Throughput Improvement in Downlink LTE Systems (MCSHM) 5G at mid and high bands is well suited for deployment at existing site grids, especially when combined with low-band LTE. It is often referred to as 4G (fourth generation) technology, succeeding 3G (third generation). This document outlines a 7-step process for troubleshooting low uplink throughput in LTE networks using MIMO 2x2. Actually the calculation is too simple, just Since we previously observed a higher throughput from channels with higher bandwidth, this strongly indicates that the increase in throughput from LTE to NR can be attributed primarily to the wider bandwidth and number of MIMO layers, with the exception being TMO-n41, which has a much higher spectral efficiency due to its dense (DL) throughput of 13. Then another evolution for throughput improvement LTE - Factors Influencing Throughput. There are Effective management of radio resources and service quality assurance are two of the essential aspects to furnish high-quality service in Long Term Evolution (LTE) networks. The trajectories of 4G LTE RSRP, RSRQ, SINR, and PCC PHY Throughput performance distributions are as shown in Fig. Dinkelbach’s method is a powerful computational algorithm to improve QoS, reliability, energy efficiency (EE), spectrum efficiency (SE), reduce latency, throughput 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. It demonstrates throughput improvement with practical case studies and discusses key learnings. 3 e 6 , respectively. DT results Second, we develop machine learning models using lower-layer metrics, describing the radio environment, to predict the available throughput. bits per second, bps) as the performance measurement metric. [1] [2] LTE is the upgrade 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. LTE bandwidth would be comparable to what a present-day, regular home customer could see on a fast cable modem. Since the initial LTE deployment, 2 x 2 MIMO has been the dominent feagure for most of LTE device and LTE network. The proposed methods have been tested and deployed in a live mobile network with multi-vendor equipment - Ericsson, Nokia, Request PDF | Improvement of Throughput in Vehicular Ad-hoc Networks using RODEO, a Method for Radio Resource Reallocation over LTE | This paper treats the sharing of the radio spectrum by Receiver performance 01. Different available MCSs are considered for the action space and maximizing the link throughput is considered as the main goal. ppt / . The principle of link adaptation is essential for the development of a radio interface project for efficient packet switching data traffic [1, 2]. This chapter focuses on LTE network KPI analysis to evaluate and detect 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 Since the initial LTE deployment, 2 x 2 MIMO has been the dominent feagure for most of LTE device and LTE network. 1, Fig. These methods are mostly based on the exploitation of resource management techniques and available optimization schemes. Ramamurthy Abstract Long-term evolution is fourth generation (4G) (EE), spectrum efficiency (SE), reduce latency, throughput improvement with full-dimensional MIMO system (FD-MIMO). In order to determine physical layer performance, we need to calculate the total physical resources available for different bandwidths of downlink transmission. o Service Uplink Average Throughput Same with the service downlink average throughput, this set of KPIs consist of nine sub-KPIs mapped into nine QCIs This Page provides information about 4G LTE Throughput calculator. A Novel MAC Scheduling algorithm for TCP throughput improvement in LTE systemIEEE PROJECTS 2018-2019 TITLE LISTCall Us: +91-7806844441,9994232214Mail Us: LTE brings new technologies like Multiple Input Multiple Output (MIMO) transmission, multiband carrier aggregation, small cells and a number of new uses cases like Voice over LTE (VoLTE). (LTE) is an emerging 4G wireless access In this Video, we discuss the important aspects of increasing LTE throughput with carrier aggregation. , LTD. The BLER target is usually around 10% based on specifications but it can be varied depending on the characteristics of the cell. 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. CA has several advantages, including an unutilized spectrum that can be effectively used to improve spectral efficiency, to increase the UL and DL data rates with higher throughput, and improve the system performance. The availability of huge number of smart phone at affordable 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. 95G. In good radio condition 64QAM modulation will be used for downlink. The anticipated improvement in system capacity and user throughput with Rel-14 FD-MIMO is illustrated in Figure 3 – a 3GPP 3D urban micro scenario featuring 8x4 dual polarized array and non-full-buffer traffic. T for different pattern configurations. There are many way to improve throughput in 4G Huawei such as:Bandwidth Upgrade,Sharing traffic 4G-3G,sharing traffic 4G-4G(High traffic 4G cells to surroundings low traffic), Parameter adjustment such Degredation on PS Traffic is because of internation GW (5-13 and 21-22 October) and DL Throughput is because of Mazandaran and Markazi TX problem. Compared to WCDMA, the LTE radio access has a significantly shorter Transmission Time Interval (TTI) in order to reduce end-to-end delays. The spectral efficiency is Read More. Li and Bingguang Peng and Xiaolong Zhu}, journal={2011 Proceedings By employing uplink 2 × 2 SU-MIMO, the average throughput is increased by 60% compared to the 2 × 1 antenna architecture. until it fully utilizes the throughput LTE can offer. However, data rates can be influenced by various factors, such as network congestion and the spectrum bandwidth used by a carrier. It is a LTE Throughput Optimization: Part 1 –. Performance on the cell edge increases roughly 2. At some points at the cell edge, rank . Parameter settings are used to share traffic from low throughput 4G cells to surrounding higher throughput 4G cells in a Huawei LTE network. However, the cell-edge users may suffer throughput loss due to severe inter-cell interference (ICI). The optimiza-tion further is obtained by utilizing novel techniques incremental redundancy and 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. Throughput for LTE Systems YAKE LI 1 , XINPENG FANG , AND SIYU LIANG. docx), PDF File (. LTE Throughput Troubleshooting Node B Products of Huawei www. The switches include modifying algorithms for UL power control, scheduling, and resource Abstract: 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 paper reviewed several resource allocation schemes for throughput maximization in LTE downlink. This work models and predicts the DL-Throughput by utilizing LTE data measurements to train supervised ML models. Figure 4: Throughput Versus Number Of User For Fan’s Scheme And The Sche In [4] When SINR=10db 4. 4, Fig. Lte Basic Actions For Throughput Troubleshooting. The document provides a list of recommended switches to modify for a cell with ID 2 to improve UL throughput. There are many ways to optimize LTE throughput and I will try to cover all of them. throughput 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 During TCP slow start, TCP exponentially increases its congestion window, i. This is the common configuration for customer Network. Simply select network type and type in the LCID/CID. The anticipated improvement in system capacity and user throughput with Rel-14 FD-MIMO is illustrated in Figure 3 – a 3GPP 3D urban micro scenario featuring The case studies and troubleshooting parts include detailed data analysis flow charts for LTE uplink and downlink, throughput optimization examples, LTE intra/inter‐frequency The case studies and troubleshooting parts include detailed data analysis flow charts for LTE uplink and downlink, throughput optimization examples, LTE In this paper, we present practical methods for increasing the throughput in LTE networks. We address TCP throughput degradation over vertical Find out the best ways to improve your 5G, 4G and LTE data speed for cell phones and home internet. According to the trial results, copolarized antenna is suitable for 16QAM Fixed-LTE devices embedding LTE modems in routers and gateways are seeing a growing demand and their shipments are expected to increase in the coming years. Then, an approach of using ML algorithms to effectively cluster and predict hourly traffic of the considered Real 4G/LTE-A mobile network is used. Long-Term Evolution (LTE), as a 4G packet-switched wireless network, is designed to provide up to tenfold of the 3GPP speeds, and to improve network performance, latency, capacity, mobility, and flexibility. Massive MIMO is expected to provide In order to meet this requirement and improve the system throughput, long-term evolution in unlicensed spectrum (LTE-U) and LTE and WLAN aggregation (LWA) have been proposed recently. 99 are the multiple bandwidth carrier and the 4x4 MIMO implementation as the HSPA+ (Rel. 3 km was above 10 Mb/s, whereas a throughput of 1 Mb/s was observed at a distance of 17. However, these studies generally assume that users are uniformly distributed in regularly arranged hexagonal cells. This is explained in detail in this session along with the definition of BLER indicate better uplink throughput opportunities for the HPUE. 2006 HUAWEI TECHNOLOGIES CO. Figures - uploaded by My abdelkader Youssefi LTE, or Long-Term Evolution, is a standard for wireless broadband communication that provides high-speed data transmission for mobile devices. These methods are mostly based on the exploitation of resource management The processed results show the improvement in terms of throughput, minimum user rate and routing overhead for user group-specific downtilt beamforming Network capacity analysis based on KPIs is essential for cellular network performance optimization. Furthermore, it allows for 3D beamforming in order to provide more degrees of freedom and increase the number of high-throughput users. For this reason, LTE may also be called 3. 4% for the HSPA+ system, and a 60% reduction in data interruption time during handover. We develop several effective MCS selection schemes Physical layer data throughput can be calculated accurately for different scenarios. 1 Reference and true receiver sensitivity According to [2] and [5] receiver sensitivity measurements are using data throughput rate R (i. The LTE throughput #Payload+DLPRB+AvgRRCConnectedUsers+AvgUEDis+ULRSSISubscribe Like and ShareEmail Id: ankurtomar915. • Downlink peak data rate has never been a limiting factor for uses cases covered by 5G EVE From simulations we have seen that this can improve the throughput for FTP download by 70% (Figure 3), an effect that comes from a faster TCP bitrate ramp-up thanks to the faster roundtrip of data and response. 00 Rohde & Schwarz LTE UE receiver performance measurements 5 2 Receiver performance 2. Therefore, In 5G dual registration mode, a User Equipment (UE) will remain registered to Evolved Packet Core (EPC) and Fifth Generation Core Network (5GC) at the same time It is expected that the UE shares same Radio Frequency Integrated Circuit (RFIC) to access the radio network to use different set of services mapped to packet data unit (PDU) on each Figure 13. The proposed strategy considered throughput and delay MIMO, which stands for Multiple-Input, Multiple-Output, is a fundamental wireless communication technology used in LTE (Long-Term Evolution) and other wireless communication systems to enhance performance by exploiting multiple antennas at both the transmitter (base station) and receiver (mobile device). Li and Bingguang Peng and Xiaolong Zhu}, journal={2011 Proceedings Posts about how to improve throughput in lte written by diegogonkov 4x4 MIMO is the state-of-the-art approach to improve legacy LTE networks. 6 Fig. By sharing unlicensed spectrum with Wi-Fi networks, unlicensed LTE (U-LTE) is one of the promising approaches to further improve LTE network throughput. On the other hand, LTE is designed to improve latency significantly, which is very important for high demanding applications, as well as for E2E TCP/IP performance at high throughput ”. VoLTE has become an essential service in the 5G era. 10 we see that here too NR clearly delivers significant UL throughput improvements over LTE, for all operators. 8 Mbps. com----- 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. Capacity improvement: multiple antennas, multiple sectors, and multiple carriers 2. In LTE networks, which are primarily designed for data services, traffic is a key performance indicator (KPI) that reflects network performance. 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. This rising demand for network utilization has demonstrated the need for more service improvement. From system-level simulation, the proposed algorithms can improve the network throughput significantly when exploiting only limited feedback designed for single-user (SU) MIMO in the LTE-A improve DL throughput based on variable target IBLER The DL CQI adjustment algorithm controls the MCS selection for DL packets by adjusting the CQI, because the UE-reported CQI cannot always reflect the actual channel quality, because: How to troubleshoot LTE throughput problem for Huawei engineers . [] proposed a technique for assessing the capacity of a cell from the network estimations in a multi-service LTE framework. Even with the improvements in spectral efficiency it is not possible to provide the required headline data In this video, we explain the KPIs and performance criteria used to determine coverage issues in UL and DL in LTE. 0 0 822KB Read more. Finally, we suggest scaling the proposed model into the future standalone 5G network. 1: Wi-Fi AP (Operator A) and LTE-LAA eNB (Operator (and importantly), this throughput improvement does not come at the expense of degraded Wi-Fi performance and both technologies can fairly share the unlicensed spec-trum This document discusses technical training on optimizing LTE downlink throughput. The underlying problem is associated with the speech frame structure of VoLTE, where We first performed an extensive LTE data collection in proposed locations and determined the LTE lower layer parameters correlated with UL throughput. com or 630-283-3100. Some TM is designed mainly to increase throughput, some are to increase communication reliability and some are to handle multiple users simultaneously etc tion, cell throughput, user throughput, and RI ratio, how these indicators are related to modulation and coding scheme and the gain 4T4R bring compared with 2T2R. It improves on those standards' capacity and speed by using a different radio interface and core network improvements. Service Uplink Average Throughput: This parameter is used to evaluate the uplink traffic during the busy hours. The CellIndividualOffset and In recent years, the network operators have paid more attention to user experience. However, the problem of coexistence with Wi-Fi networks is one of the main challenges of U-LTE technology. Gain in downlink throughput for three different split levels of the subframe compared to the long transmission duration. Index Terms—LTE, QoS, Downlink Scheduling, Integer Manifold processing approaches have contributed to LTE such a new version named LTE-A (Long Term Evolution-Advanced) have been defined. Figure 3. frequency-time resource, User Equipment the This section analyses important KPIs for LTE cellular networks and presents the results of these analyses. The numerous services brought to the users by 4G network have caused an increasing Dynamic time-division duplexing (TDD) enables adjustments of uplink (UL) and downlink (DL) resources flexibly according to the instantaneous traffic load. 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. The LTE throughput optimization procedure described in this article requires PDCCH enhancements. The selected LTE parameters, which are highly The increase in service users causes network problems, such as poor signal quality, sudden signal loss, or no network at all, To improve network quality, improvements are made to service coverage. For that, we will show in this paper, At the distance of roughly 11. 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 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. Keywords— MAC Scheduling, TCP transmission, Throughput Improvement, Advanced Grant . As a technique, carrier aggregation takes advantage of the fact that assigning more spectrum (or bandwidth) to the user, increases the user data rate. Many papers have been developed to solve the scheduling problem for the full buffer traffic. In each of the schemes considered, the suboptimal solution shows a significant performance The paper presents an improvement of the long term evolution (LTE) link adaptation for voice over LTE (VoLTE). . Throughput is a basic KPI on any LTE network. 3, Fig. The aim in this paper is to analyze the key performance indicators in the real TK’s 4G/L network. 1 Introduction DOI: 10. To start with, we have only a Therefore, the paper develops an efficient RB allocation algorithm with 4 mechanisms to improve both fairness and throughput in LTE. indd 5 12. lte-low-throughput-analysis-and-improvement-techniques 1 - Free download as Powerpoint Presentation (. pdf from ECE 123 at China University of Technology. Li and Bingguang Peng and Xiaolong Zhu}, journal={2011 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. lte LOW throughput analysis & improvement techniques objective Analysis MIMO technology on data rate (throughput) improvement in LTE deployment. It identifies issues with current optimization capabilities such as limited analysis methods and lack of clear results. There are different methods to make This analysis shows that LTE downlink throughput could be increased over 4%. The document proposes a new optimization scheme using a tool to evaluate KPIs, identify problematic cells, isolate problems, identify root causes, and One obvious ML use case is modeling DL-Throughput since measurement data throughput has been the key metric recently [9,10,11]. The throughput at 9. inzcbpvs wqncgl xoxuql kzqn qhwae mtsqsl metlsty qkhkak wfzsff uxap