Lte Sinr Optimization


Fast Roll Off (FRO™) azimuth beam pattern improves Intra- and Inter-cell SINR. , CQI/PMI/RI channel) is higher than Format 1a/1b. LTE DRIVE TEST PARAMETERS • SINR :- Signal to Noise Ratio. Team Lead special city project for CEO to improve MR/DT RSCP/RSRP & EcNo/SINR, 4G Throughput, and CS Drop rate. LTE-Advanced: Requirements and New Technologies 2. Finally, we present LTE simulation results in Section VI and. In LTE, a logical channel used to deliver dedicated control information relating to a specific UE (in both uplink and downlink di- rections), when the UE has a Radio Resource Control (RRC) connection with the eNodeB. employed as the optimization criterion, an approximate power control strategy is proposed for above mentioned receivers to improve performance which has been shown both analytically and by simulation. The higher the CQI (ranging from 0 up to 15) the higher the modulation and coding scheme and the higher the throughput. 25W and 4W BS transmission power. End-user latency < 10mS. LTE RF Design and OptimizationLayout. SINR, RSRP, RSSI and RSRQ Measurements in Long Term Evolution Networks Article (PDF Available) · August 2015 with 7,450 Reads How we measure 'reads'. -SINR Optimization of Long Island NY Clusters,Creating Route Maps for Drive team Using map info. PUCCH and PUSCH SINR are both mainly affected by interference. Demystifying LTE Performance Management and Optimization White Paper , Senior LTE RF/RAN Engineer, Cyberspace Network Limited, Victoria Island, Lagos, Nigeria. • KPI optimization of 4G LTE by achieving RSRP, RSRQ, Throughput, Capacity, optimizing overlapping Servers, SINR and Population coverage percentages.  responsible for optimization and maintenance of LTE Radio KPIs, for example S1 Establishment success rate, RRC Setup Success Rate, Service Drop Rate, Intra/inter/IRAT Handover success rate, UL/DL. - Implementation of DL256QAM to improve LTE DL Throughput significantly while maintaining SINR. This situation may then result in an effective lack of signal coverage. Hence, to attain a desirable SINR Femtos have to be placed efficiently. This includes a recap of the LTE radio functionality, • PUCCH and PUSCH SINR Statistics: - PUSCH RSSI Statistics. Required SINR depends upon the following factors: Modulation and Coding Schemes (MCS) Propagation Channel Mode; Higher the MCS used, higher the required SINR and vice versa. First one talks about LTE technology related lte interview questions whereas the second one talks about optimization and planning of LTE. Different Radio (Standard Operating Procedure) for interference optimization Ministry of the Interior and Safety SINR RSRP 42. HUAWEI TECHNOLOGIES CO. The LTE throughput optimization procedure described in this article requires PDCCH enhancements. Ada juga overlapped data yang menguntungkan. • Optimizing overall 2G/3G/LTE IBS sites including (poor coverage, Neighbours, Pilot pollution, SINR …etc) analysis and suggestion proper optimization actions. saya sedang tugas akhir dan mengangkat judul mengenai analisa performansi 4G LTE menggunakan parameter RSRP, RSRQ, SINR dan Throughput pak. Cell-Edge SINR from Simulation, Trial and Real-Life Networks Before a real-life large-scale LTE network is deployed, network performance is estimated via results from system-level simulations and trial networks. Finally, we present LTE simulation results in Section VI and. 2 RSRP, RSRQ, SINR plot analysis 3. Page 5 Single site verification Single site verification will focus on data server more than anything else: throughput test. LTE-A can aggregate up to 5 carriers to make up to 100 MHz 4. (LTE also has CQI for its own purpose). The service can help networks achieve up to 50 percent faster data speeds, benefiting subscribers using the most demanding mobile services such as music streaming and video. • Ensuring DT measurements KPI’s to be met – RSRP, RSRP, SINR statistics, DL/UL throughput, Latency. Another challenge is to coordinate interference and thus enhance the Signal-to-Interference-plus-Noise Ratio (SINR). 3 komentar untuk "Pilot Pollution (Impact Bad SINR) - LTE" Dunia Telekomunikasi October 6, 2017 at 3:13 PM Terima kasih sharingnya, bermanfaat untuk menentukan action bila menghadapi berbagai kasus badspot. The collected data from the Drive Test will be the input for the optimization study to perform. We focused on the optimization of transmit power and of user association. Responsabilities include, but not limited to: - Support LTE Optimization efforst for various projects, - Collect and analyze customer requirements, - Acquire network data and information,. Perform site. 1 Transmit Power Aware Cross-Layer Optimization for LTE Uplink Video Streaming Pinghua Zhao 1,2, Yanwei Liu ∗, Jinxia Liu3, Ruixiao Yao , Song Ci 4 and Antonios Argyriou5 1State Key Laboratory of Information Security, Institute of Information Engineering, Chinese Academy of Sciences, 100093 Beijing, China 2Institute of Acoustics, Chinese Academy of Sciences, Beijing, China. • New LTE sites PCI, Neighbor, Physical parameter, Swapped Feeders and cluster optimization through Drive tests and verification of KPI targets by verifying RSRP, RSRQ, SINR and Throughput. Learning Based Uplink Interference Management in 4G LTE Cellular Systems Supratim Deb, Pantelis Monogioudis on the SINR over the resource blocks (RBs) 1 assigned to the transmission. LTE Optimization; Sunday, July 8, 2012. In [39], a comparison between online and offline self. LTE Optimization Engineering Handbook is a comprehensive reference that describes the most current technologies and optimization principles for LTE networks. As the name implies, it is an indicator carrying the information on how good/bad the communication channel quality is. 8 version) and I’m asking you which functions or classes I have to modify or add my code to establish that. A reinforcement learning approach for self-optimization of LTE mobility M. This brand new course focus on practical aspects of LTE radio network optimization. LTE RF Planning Training is focused on carrying out RF planning and Design and capacity planning for Long Term Evolution (LTE) based networks. Responsible as LTE Optimization Consultant, assigned to support TrueConex Project at Telkomsel - Telkom Infra project, with following task : • Strategic Optimization Consultant for Telkomsel TrueConex Project, which defining strategic activity for Nokia, ZTE, Huawei, and Ericsson LTE RAN to be executed by Telkom Infra regional team. Understanding LTE signal strength can be confusing, with the chart below it should be easier. Every network is striving to improve this KPI and it has become more important in LTE since the introduction of VoLTE. The focus is on the impact that two kinds of handover algorithms compare to A3 event based on the optimization of hysteresis and time-to-trigger in the different velocity environment and the different SINR. In cellular networks, spectral efficiency is a key parameter when designing network infrastructure. -Analyzing events for VoLTE accessibility improvement Wind catcher and Wire-shark. Transmit power aware cross-layer optimization framework for LTE uplink video streaming. 0 is only based on the SINR&RSRP of Format 1a/1b (i. Current state of mature LTE networks requires a comprehensive approach to network performance monitoring and control. By using frequency reuse of one in LTE networks, high spectral efficiency is achieved. Two individual SON algorithms are presented here: load balancing as means to offload excess traffic to low-loaded adjacent. Other coordinated schemes have partitioned the multi cell optimization problem into a single cell optimization. In LTE, end user quality of service is impacted by the cumulative effect of various nodes and interfaces. Finally, we present LTE simulation results in Section VI and conclude our paper in Section VII. Again the SINR value is taken from link level simulations performed in [1]. Distance from cell, max number of active UE are responsible for poor throughput. Shin2 1Electrical and Computer Engineering Department, American University of Beirut, Beirut, Lebanon 2Electrical Engineering and Computer Science Department, University of Michigan, Ann Arbor, USA E-mails: 1{asa72,ha27}@aub. Coverage can be enhanced by adjusting the antenna down-tilt angles, smart antenna weights, antenna height, network structure, and RS power to achieve the optimal SINR. • Coordinating with NOC and BSS engineers for troubleshooting issues faced by DT teams and provides the technical support to rectify the issues. Drive test logs analysis and optimization in ensuring optimal values of SINR and RSRP of LTE radio network for high throughput (uplink and downlink) and dominant servincg PCI.  Leads in LTE Performance KPI’s achievement, PS DCR, ERAB success rate, throughput, CSFB SR, Redirection SR and Latency. In LTE the SNIR PDSCH required replaces the Eb/N0 required of the UMTS Rel. If you see over 20 dB SNR or SINR, you can say you have have almost ideal signal quality. Configure cell site information in the optimization tool. If PCI is not planned well, it will cause high interruption of the Reference Signal (RS). Fully integrated (iRETs) with independent RET control for low and high bands for ease of network optimization. In this paper, an automatic method for deriving the real spectral efficiency. • Optimizing overall 2G/3G/LTE IBS sites including (poor coverage, Neighbours, Pilot pollution, SINR …etc) analysis and suggestion proper optimization actions. 3 komentar untuk "Pilot Pollution (Impact Bad SINR) - LTE" Dunia Telekomunikasi October 6, 2017 at 3:13 PM Terima kasih sharingnya, bermanfaat untuk menentukan action bila menghadapi berbagai kasus badspot. The text offers an introduction to the basics of LTE architecture, services and technologies and includes details on the key principles and methods of LTE optimization and its parameters. SINR and TX powers According to GSM specifications C/I > 9dB for nominal performance. 9G/4G (LTE hereafter). LTE/UMTS BTS commissioning file/logs correction/optimization. LTE-A can aggregate up to 5 carriers to make up to 100 MHz 4. 4 MHz bandwidth. A market for this US-based LTE operator utilized the IMNOS (Integrated Mobile Network Optimization Software) modules - Audit and Ad-hoc Planner - to resolve PCI problems with their network. However, they only approximate the SINR expression and their model is for optimal pilot symbol power allocation in Section V. This paper presents several ICIC-based optimization schemes to improve the performance of the control channels: the Physical Downlink Control Channel. gr Abstract—In. SINR is a measure of signal quality as well. can simulate Inter-cell/multi-cell Interference Energy efficiency and Power control Mobility & Handovers issues Multi-User Scheduling BLER & HARQ techniques SINR-to-Date Rate. For any further details please refer to: RSRP and RSRQ Measurement in LTE. The issue of interference management can be handled by carrying out precise parameterization while planning and deploying the network. •Measure throughput using www. gr, [email protected] KPI Optimization: LTE ERAB Success Rate The second major KPI for LTE is the LTE ERAB Success Rate which is also part of the accessibility. The goal is to improve the accuracy of user locations in case of emergency scenarios where the user itself is unable to disclose his whereabouts. Further the link scheduling problem with SINR constraints has been shown to be NP-hard in [10]. Pre-Optimization: Main measurements from a Drive Test: RSRP, RSRQ, SINR, MCS, SINR, PRB, MIMO Mode, Rank Index, Throughput and L3 Messages. For example if we are using TD-LTE network with 20 MHz spectrum and using config2 network, we should be getting around 60 PRBnum assigned. R1 1 Analysis of Cell Load Coupling for LTE Network Planning and Optimization Iana Siomina and Di Yuan, Member, IEEE Abstract—System-centric modeling and analysis are of key significance in planning and optimizing cellular networks. Senior LTE/RF Engineer. Main KPIs from counters. 1 Defining the right coverage 3.  RF Optimization of GSM/UMTS/LTE techs including six carriers in network. SIOMINA AND YUAN: ANALYSIS OF CELL LOAD COUPLING FOR LTE NETWORK PLANNING AND OPTIMIZATION 4 In contrast to the power-control model, the service requirement of rate-control scheme in cellular networks is not SINR threshold (or a function of SINR), but the amount of data to be served over a given time period. Femtos, with frequency reuse one, can be deployed in hotspots, offices and residences alike to provide high indoor data rates and reduce traffic load on Macro. • Ensuring DT measurements KPI’s to be met – RSRP, RSRP, SINR statistics, DL/UL throughput, Latency. There is a need of maintaining signal to interference plus noise ratio (SINR) threshold to control modulation and coding schemes (MCS) in recent technologies like Wi-Fi, Long Term Evolution (LTE) and Long Term Evolution Advanced (LTE-A). 11, Global. SINR inequality is unavoidable, will always have a large fraction of low SINR users 2. D2D communications have great. This paper presents several ICIC-based optimization schemes to improve the performance of the control channels: the Physical Downlink Control Channel. The performance management of the LTE network involves KPI monitoring and analysis, and then optimization, if KPIs are outside the expected acceptable thresholds. End-user latency < 10mS. The purpose is to check the performance of Network. Huawei Confidential Page 11 LTE RF Optimization Objects and Target Baseline What are differences between LTE and 3G optimization? Text RSRP SINR Handover success rate How are these counters defined? LTE optimization objects 12. Strong engineering professional skilled in TEMS Investigation, Universal Mobile Telecommunications System (UMTS),LTE, Actix, and RAN. Perform site. LTE/UMTS/HSPA/GSM/EDGE network planning and optimization of radio access network Objective: To associate with a progressive organization that gives me scope to apply my knowledge and skills in the area of Telecommunications in tune with the latest trends and be a part of the team that dynamically works towards the growth of the Organization. -SINR Optimization of Long Island NY Clusters,Creating Route Maps for Drive team Using map info. LTE TECHNOLOGY RELATED LTE INTERVIEW QUESTIONS What is LTE Frame Structure? Configuration (FDD)Frame Type 1 (TDD) Frame Type 2 SINR target and CQI, Downlik ICIC, scheduling affect power control; ICIC SON. Network Optimization| Evolve Technologies and staffing Pvt. Currently there are few use-cases, for which PyLTEs was used. This paper shows the interest of robustness approach due to the uncertainty of traffic distribution while evaluating some antenna parameters. Perform LTE coverage analysis by using following plots: RSRP to identify the coverage issues due to lack of signal power RSRQ, CINR, SINR etc to identify coverage issues due to interference. of LTE (Long-Term Evolution) eNodeB (evolved NodeB) to improve the overall network performance and diminish negative effects. You may have to register before you can post: click the register link above to proceed. • Solid understanding of RF propagation principles, cellular theory, RF engineering tools and antenna theory. v In non-contention-based random access, the eNodeB allocates a dedicated RACH to the UE to ensure successful access. It is not used for the purposes of the transmission settings, but to take the decision (by the UE - in case of cell reselection; or eNB - in case of handover) to move the UE to other cell. Femtocell LTE Network Throughput Estimation Femtocell is a small cell with a low power eNodeB (transmitter power less than 13 dBm), so femto base station is called Home eNodeB (HeNB). Any advice on the Maximum SINR for LTE? Dear all, I working on enhancing the SINR value for LTE, I know there is a minimum requirement for SINR on LTE based on MCS (QPSK, 16QAM, 64QAM). This situation may then result in an effective lack of signal coverage. LTE network needs not only good RSRP levels, but also high Signal to Interference plus Noise Ratio (SINR). An Optimization Method for Multi-operator and Mixed-traffic LTE Deployments in the Unlicensed Bands Abdel karim Ajami 1, Hassan Artail , Kang G. Commercial systems that rely on efficient speech coding include cellular communication, voice over internet. If you want to improve them, there is a possibility to switch to IRC from MRC (or enable adaptive switching between MRC and IRC). • Maintaining 5G/LTE KPIs above the defined threshold through field optimization and parameter Optimization. Optimization through utilization of transformation tools like, Netact, MUSA, VDT, V3D, Nextmax. SINR is used a lot by operators, and the LTE industry in general, as it better quantifies the relationship between RF conditions and Throughput. In this paper, a self-optimization algorithm for tuning handover (HO) parameters of a Long Term Evolution (LTE) femtocell network in an office scenario is presented. Lower cost of LTE access Self-organizing networks (UltraSON) Enables cost-effective small cell deployments • Mobility Robustness Optimization (including 3GPP MRO) Resource and Tx Power Management: Improve • 4 dB median SINR gain • Up to 90% reduction in handover frequency • Up to 40% cell-edge. • Huawei LTE RF optimization expert solution. Huawei Confidential Page 11 LTE RF Optimization Objects and Target Baseline What are differences between LTE and 3G optimization? Text RSRP SINR Handover success rate How are these counters defined? LTE optimization objects 12. Learn how undertake network performance improvement (KPIs) and optimization tasks and create acceptance plan, sponsor best practices and ensure data integrity of various morphology/topography. However, arbitrarily deployed Femtos. If PCI is not planned well, it will cause high interruption of the Reference Signal (RS). Interference control, SINR optimization, and signal enhancement to improve the performance of OTDOA measurements KR1020147003087A KR101592796B1 (en) 2009-06-12: 2010-06-11: Interference control, sinr optimization and signaling enhancements to improve the performance of otdoa measurements. 4G Strategy: PUCCH Outer Loop Power Control Fact Finding: PUCCH Inner Loop Power Control in eRAN 8. our engineers have been busy testing Unmanned Aircraft Systems (UAS), or drones, on commercial 4G LTE networks at the Qualcomm UAS Flight Center in San Diego — testing key performance indicators (KPIs) such as coverage, signal strength, throughput, latency, and mobility under various. Structure of the PDCCH and ePDCCH in LTE/LTE-A. - RRC Active UEs Statistics. Other ways to improve the uplink SINR is 4-way or 8-way diversity (with 4R or 8R antennas) and uplink multi-user mimo. 4G LTE - RF Optimization Objects and Target Baseline | Page 3 Accessibility (1) – RRC Setup Success Rate RRC Setup Success Rate (service) The RRC setup procedure is trigged by different reasons as identified by the establishmentCause field in the RRCConnctionRequest message: emergency, highPriorityAccess, mt-Access, mo-Signalling, mo-Data, delayTolerantAccess-v1020. R1 1 Analysis of Cell Load Coupling for LTE Network Planning and Optimization Iana Siomina and Di Yuan, Member, IEEE Abstract—System-centric modeling and analysis are of key significance in planning and optimizing cellular networks. The certification which you will get on the successful completion of training will be TELCOMA Certified LTE Optimization Expert (TCLO-E). edu, †Hume Center, Virginia Tech, [email protected] Coverage Analysis 3. Dari data yang telah diperoleh tersebut kita dapat mengetahui kondisi jaringan di suatu daerah. RSRP and SINR measurements, respectively. Physical Cell ID. Drive test merupakan suatu kegiatan untuk mengambil data ( collecting ) sebuah jaringan network dengan menggunakan software dan hardware tertentu. Professional, very focused, proactive, with good interpersonal communication, always in search new skills and solutions in the best institutions and technical bibliographies, aiming at the continuous improvement of the quality of processes in the professional environment and. Introduction: LTE network needs not only good RSRP levels, but also high Signal to Interference plus Noise Ratio (SINR). LTE/UMTS BTS commissioning file/logs correction/optimization. Covid 19 Update: Given the current global situation, we have paused the delivery of our Live Onsite courses, but our Live Online and Online Anytime Packages remain unaffected. As indicated in this table, there is no support for In-band operation of an LTE 1. Ericsson Kolkata, west bengal India Industry: Telecommunication 11/2013 - current Senior Engineer- Network Engineering LTE & Volte Post-optmization • Support onsite for DTN Bangkok (Thailand) LTE & VOLTE Project. Shehraz Shaikh has 2 jobs listed on their profile. In LTE the SNIR PDSCH required replaces the Eb/N0 required of the UMTS Rel. Like HSDPA, the CQI in LTE systems does not reflect the SINR only. Analysis of DT KPIs and reaching targets; Monitoring/Optimization: Understanding main counters from LTE. LTE Optimization; Sunday, July 8, 2012. This brand new course focus on practical aspects of LTE radio network optimization. LTE UEs typically use SINR to calculate the CQI (Channel Quality Indicator) they report to the network. The measure for coverage in LTE is the RSRP (Reference Signal Receive Power), an indicator of the power that a user receives from a base station. This paper presents several ICIC-based optimization schemes to improve the performance of the control channels: the Physical Downlink Control Channel. RF optimization aims to resolve handover, service drop, access, and interference problems caused by these problems. In this paper, we provide a mathematical analysis of performance modeling for LTE networks. 0 is only based on the SINR&RSRP of Format 1a/1b (i. 4G LTE Optimization training by TELCOMA covers everything required for the Job of 4G Network Performance Optimization in any telecom operator or vendor company. In LTE, it is assumed that even the smallest UE possesses at least two antennas. Browse over 50 online courses in our course catalogue, or get in touch to register your interest in future Live Onsite courses when we are able to safely resume in person training. The SINR constraints make the throughput optimization problem non-convex. can simulate Inter-cell/multi-cell Interference Energy efficiency and Power control Mobility & Handovers issues Multi-User Scheduling BLER & HARQ techniques SINR-to-Date Rate. LTE-Advanced comprises an array of new technologies, as shown in Figure 1, but the two key technologies for boosting UL/DL speeds are Multiple Input Multiple Output (MIMO), and Carrier Aggregation (CA). DL/UL Acceleration Technologies. small cell scenarios, especially for supporting LTE services. Optimization based on EC/I0 and KPIs and further solutions. edu is a platform for academics to share research papers. PCI, SINR, Throughput) troubleshooting. in this paper is the optimization of CIO values and the user association. Huawei Confidential Page 11 LTE RF Optimization Objects and Target Baseline What are differences between LTE and 3G optimization? Text RSRP SINR Handover success rate How are these counters defined? LTE optimization objects 12. Intercell Interference Coordination (ICIC) encompasses techniques aiming at reducing the intercell interference at cell edges, an issue affecting not only data but also control channels in Long Term Evolution (LTE) and LTE-Advanced (LTE-A). our engineers have been busy testing Unmanned Aircraft Systems (UAS), or drones, on commercial 4G LTE networks at the Qualcomm UAS Flight Center in San Diego — testing key performance indicators (KPIs) such as coverage, signal strength, throughput, latency, and mobility under various. fungsi dari drive test ini selain mengetahui performansi jaringan juga mengetahui throughput values ( kecepatan upload dan download ). Two individual SON algorithms are presented here: load balancing as means to offload excess traffic to low-loaded adjacent. LTE is designed to have wider channels up to 20MHz, with low latency and p acket optimized radio access technology. 3 optimization activities. Huawei Confidential. • Strong communication skills, Able to handle Pressure situation, self driven and Confident. The standardization of LTE system has been completed in March 2009 by the 3GPP. Perform site. Convert documents to beautiful publications and share them worldwide. Subject Matter Experienced as Volte Optimization RF and Troubleshoot Consultant with proven track record on Cellular Networks Ericsson, Huawei, Nokia, ALU in its VOLTE, LTE, WCDMA and GSM platforms, supporting and helping with operators to offer a service with adequate levels of quality. Won award for successful delivery of this project - Implementation of EPF trial nationwide to improve LTE throughput significantly. If dedicated RACHs are insufficient, the eNodeB instructs the UE to initiate contention-based random access. Its full name is 3GPP Long Term Evolution for the Universal Mobile. The method is applicable to both joint and separate optimizations. AWGN-equivalent SINR throughput Modulation and Coding Scheme RB allocation target transmitter interferers noise frequency-domain scheduling. • Coordinating with NOC and BSS engineers for troubleshooting issues faced by DT teams and provides the technical support to rectify the issues. estimation and optimization of the SINR are well-known problems in radio communication systems such as 802.  RF Optimization of GSM/UMTS/LTE techs including six carriers in network. LTE Network Planning Training Course Description In this LTE Network Planning Training course, you will learn the key principles of cell planning and capacity calculations for an LTE network. Signal to Interference and Noise Ratio (SINR) April 27, 2017 June 9, 2018 admin LTE , RF Basics SNIR is a measure of Signal Quantity and Interference and Noise Quantity and it is very important measurement in terms of RF and sometime it is also called as SNR in absence of interference. Value of RSRP, RSRQ, RSSI and SINR to get Good Data Rate RSRP, RSRQ ,RSSI are the measurements that the UE takes for cell reselection or handover puroposes. A detailed design of an LTE Link Adaptation function for LTE uplink is disclosed. End-user latency < 10mS. VoLTE Activation and Field optimization services - 3 Month Perform cluster acceptance DT and deliver LTE/VoLTE report to the customer. These self optimization use cases are handover, Call Admission Control (CAC) and load balancing. In LTE, end user quality of service is impacted by the cumulative effect of various nodes and interfaces. • RSRP, SINR, PUSCCH/PUCCH RSSI/ MSC & CQI analysis and optimization to meet site KPIs targe Design & Planning of e-NodeB and Node-B Sites based on Coverage Prediction plots & Capacity. edu, †Hume Center, Virginia Tech, [email protected] However, the available radio resources in cellular networks are scarce, and their formulation is expensive. Coordinated Multipoint Operation 4. As indicated in this table, there is no support for In-band operation of an LTE 1. RF optimization focuses on coverage and handover problems, which can be supplemented by other problems. 1 INTRODUCTION It is very important to understand the LTE RAN tuning and optimization process in order to improve the radio network performance and the perceived end user quality. It has categories of KPI and number of KPI of each category. -SINR Optimization of Long Island NY Clusters,Creating Route Maps for Drive team Using map info. Erweiterungen fur das L2S Model f ur Hybrid. The text offers an introduction to the basics of LTE architecture, services and technologies and includes details on the key principles and methods of LTE optimization and its parameters. Keywords: Antenna height, antenna tilt, macroscopic fading, LTE systems, SINR. • Performing LTE Pre launch and post launch network optimization, • Drive analysis, neighbour relation, and tilt and parameter optimization. Interference rejection combining (IRC) is a method to enhance the capacity in UL by mitigating the undesirable inter‐cell interference. The purpose of developing this system is to keep 3GPP systems competent enough for decades to come. Load log files into the optimization tool. LTE Radio Link Budgeting and RF Planning The initial planning of any Radio Access Network begins with a Radio Link Budget. LTE RF Planning, Design and Optimization Training is focused on carrying out RF planning and Design and capacity planning for Long Term Evolution (LTE) based networks. Februar 1984 in Barcelona Matrikelnummer. A market for this US-based LTE operator utilized the IMNOS (Integrated Mobile Network Optimization Software) modules - Audit and Ad-hoc Planner - to resolve PCI problems with their network. Maximum Throughput L1/L2 Layer 1/Layer 2 LTE Long Term Evolution MAC Medium Access Control MCH Multicast Channel.  RF Optimization of GSM/UMTS/LTE techs including six carriers in network. Dan juga harap diingat bahwa throughput LTE yang dirasakan oleh pengguna bergantung juga pada network load atau traffic utilizationnya, jika memang loadnya sudah penuh atau PRB utilnya diatas 80%, maka DL thpnya juga akan menurun dan mempengaruhi SINR seperti yang pernah ditulis di blog ini sebelumnya pada pembahasan pengaruh load ke SINR. This course provides an end-to-end overview of LTE RAN performance monitoring and optimization. • New LTE sites PCI, Neighbor, Physical parameter, Swapped Feeders and cluster optimization through Drive tests and verification of KPI targets by verifying RSRP, RSRQ, SINR and Throughput. If all network parameters are well set then azimuth as per the traffic density can help. - Signal To Noise & Interference Ratio: The most basic and common factor that controls the spectral efficiency and throughput is the SINR (Signal to Noise and Interference Ratio). Features Overview. The figure to the right shows the paths of a 2x2 or 4x2 LTE system as a waterfall diagram,. - Implementation of DL256QAM to improve LTE DL Throughput significantly while maintaining SINR. The 3GPP Model [1] is commonly used for system-level simulation (Figure 1). • New LTE sites PCI, Neighbor, Physical parameter, Swapped Feeders and cluster optimization through Drive tests and verification of KPI targets by verifying RSRP, RSRQ, SINR and Throughput. By using frequency reuse of one in LTE networks, high spectral efficiency is achieved. Team Lead special city project for CEO to improve MR/DT RSCP/RSRP & EcNo/SINR, 4G Throughput, and CS Drop rate. As LTE networks often lag earlier technology networks in coverage, software reliability and general network optimization,. Since scheduling is also an integral component of our problem, it is reasonable to conjecture that the TM-SINRproblem is also NP-hard. LTE RAN KPIs 2. 6th & 7th, 2009. A reinforcement learning approach for self-optimization of LTE mobility M. of LTE (Long-Term Evolution) eNodeB (evolved NodeB) to improve the overall network performance and diminish negative effects. LTE in the presence of X2 interface where nodes can exchange information regarding RB allocations [36]. It has categories of KPI and number of KPI of each category. fungsi dari drive test ini selain mengetahui performansi jaringan juga mengetahui throughput values ( kecepatan upload dan download ). White Paper: Drive Testing LTE 4 One of the most interesting LTE network features to RF optimization engineers is the impact that multi-ple input multiple output (MIMO) with spatial multiplexing and antenna diversity brings to the end-user performance. Convert documents to beautiful publications and share them worldwide. LTE-A has frequency reuse factor of 1 since spectrum is expensive, uses high-order MIMO. This page is not for the explaining on each of these terminologies. The state-of-the art solution to this problem is a new local networking technology known as the device-to-device (D2D) communication. • Huawei LTE RF optimization expert solution. Worst cells identification, analysis and optimization, FDD and TDD. Two frontends for any input frequency from 30 MHz to 6 GHz, preselection and software-defined architecture offer unsurpassed performance while providing maximum flexibility. FDD-LTE link budget overview SINR Target depends on: eNode-B equipment performance Interview Q&A IoT Job KPI LTE LTE Document LTE Protocol LTE Training LTE-A Document MapInfo Microwave Modulation Optic Optimization-2G Optimization-3G Optimization-4G Others Photo Galleries Planning Recorded Webinar RF. The system model. efficient AMC solutions for LTE systems. 1920| saadkhan321| saadakhan1 15007E21stAve,SpokaneValley,WA99037. The SINR constraints make the throughput optimization problem non-convex. UMTS/LTE RF OPTIMIZATION ENGINEER HUAWEI Pakistan. Page 7 LTE RF Optimization Objects and Target Baseline What are differences between LTE and 3G optimization? SINR. Therefore, RSRP and N RB are considered as benefit criteria,. Team Lead special city project for CEO to improve MR/DT RSCP/RSRP & EcNo/SINR, 4G Throughput, and CS Drop rate. The table below shows an example LTE link budget for the downlink from [1], assuming a 1 Mbps data rate (assuming antenna diversity) and 10 MHz bandwidth. This page is not for the explaining on each of these terminologies. If PCI is not planned well, it will cause high interruption of the Reference Signal (RS). Practical Introduction to LTE Radio Planning J. So at any point in time the UE will measure all the REs that carry the RS and average the measurements to obtain an RSRP reading. The aforementioned vertical handover schemes using RSS as an indicator have their advantages. Several techniques and automatic functions have been proposed and developed to enhance system performance and reduce management complexity of Long Term Evolution Advanced (LTE-Adv. As LTE networks often lag earlier technology networks in coverage, software reliability and general network optimization,. Huawei Confidential. DL: 2 x 2, 4 x 2, 4 x 4. Other coordinated schemes have partitioned the multi cell optimization problem into a single cell optimization. LTE TDD RAN Rel. For example if we are using TD-LTE network with 20 MHz spectrum and using config2 network, we should be getting around 60 PRBnum assigned. The focus is on the impact that two kinds of handover algorithms compare to A3 event based on the optimization of hysteresis and time-to-trigger in the different velocity. 1 LTE RAN KPIs 2. • Identifying weak coverage and low SINR areas during drive test routes. However, the available radio resources in cellular networks are scarce, and their formulation is expensive. This situation may then result in an effective lack of signal coverage. Optimization based on EC/I0 and KPIs and further solutions. sinr(txs) displays the signal-to-interference-plus-noise ratio (SINR) for transmitter sites, txs. It is not used for the purposes of the transmission settings, but to take the decision (by the UE - in case of cell reselection; or eNB - in case of handover) to move the UE to other cell. Table 2 also presents the overall average and cell-edge DL user throughput, and , respectively, calculated as the arithmetic mean of the individual cell values (average and cell-edge DL user throughput, resp. Huawei Confidential Page 12 RSRP Note: Different from GSM or TD-SCDMA systems, TD-LTE. Analysis of Cell Load Coupling for LTE Network Planning and Optimization Iana Siomina and Di Yuan, Member, IEEE Abstract—System-centric modeling and analysis are of key significance in planning and optimizing cellular networks. -Analyzing events for VoLTE accessibility improvement Wind catcher and Wire-shark. LTE RAN Performance and Optimization Course Description In this course, the main aspects of monitoring the performance of the LTE network and ensuring it is appropriately optimized are covered. In conventional cellular systems a UE connects to the BS providing the best downlink Signal to Interference-plus-Noise Ratio (SINR), and since the eNB has low transmit power the coverage of small cells will be small. Introduction LTE systems encounter heavy interference at the cell edges due to the usage of a frequency reuse ratio of 1. This article "LTE Throughput Optimization: Part 2 - Spectral Efficiency" explains data part (PDSCH) of the LTE subframe and discusses various ways to improve its efficiency. , Pune University, India, 2005 Graph Coloring and Ant Colony Optimization based Sub-channel Allocation Algorithms for LTE-A HetNets c Richa Siddavaatam, 2012 the very high data rates targeted by LTE-Advanced require a higher SINR performance. The SINR of the LTE link, i,∀i, in the presence of Wi-Fi and. Sufficiency: LTE Network Capacity Management The LTE era is all about high traffic and big data. If PCI is not planned well, it will cause high interruption of the Reference Signal (RS). First, an MLPDL learning approach is used to model cellular network congestion measured in terms of PRB utilization and predict 80% utilization as breakpoint thresholds of cellular towers as a function of average connected user equipments. LTE TDD RAN Rel. Page 5 Single site verification Single site verification will focus on data server more than anything else: throughput test. They way it takes place in Downlink and Uplink will become evident in a little bit , as we go further down the discussion. PCI, SINR, Throughput) troubleshooting. • KPI optimization of 4G LTE by achieving RSRP, RSRQ, Throughput, Capacity, optimizing overlapping Servers, SINR and Population coverage percentages. The text offers an introduction to the basics of LTE architecture, services and technologies and includes details on the key principles and methods of LTE optimization and its parameters. Two spatial division multiplexing (SDM) multiuser MIMO schemes are investigated: Single User (SU) and Multi-user (MU) MIMO schemes. Optimization through utilization of transformation tools like, Netact, MUSA, VDT, V3D, Nextmax. LTE RF Optimization Training provides knowledge and skills needed for successful delivery of LTE network design, LTE planning and optimization activities. SINR is used a lot by operators, and the LTE industry in general, as it better quantifies the relationship between RF conditions and throughput. • Parameter optimization & Physical optimization after auditing GPL, MPL parameters & features. • RSRP, SINR, PUSCCH/PUCCH RSSI/ MSC & CQI analysis and optimization to meet site KPIs targe Design & Planning of e-NodeB and Node-B Sites based on Coverage Prediction plots & Capacity. 9G/4G (LTE hereafter). The focus is on the impact that two kinds of handover algorithms compare to A3 event based on the optimization of hysteresis and time-to-trigger in the different velocity environment and the different SINR. • Maintaining 5G/LTE KPIs above the defined threshold through field optimization and parameter Optimization. Relay deployments promise to alleviate the limitations of conventional macrocell-only networks such as poor indoor penetration and coverage holes. Huawei Confidential. Huawei Confidential Page 12 RSRP Note: Different from GSM or TD-SCDMA systems, TD-LTE. Excellent passive intermodulation (PIM) performance reduces harmful interference. The course covers network quality and KPIs for LTE network with emphasis on the practical considerations. We present a design of a complete and practical scheduler for the 3GPP Long Term Evolution (LTE) downlink by integrating recent results on resource allocation, fast computational algorithms, and scheduling. Value of RSRP, RSRQ, RSSI and SINR to get Good Data Rate RSRP, RSRQ , RSSI are the measurements that the UE takes for cell reselection or handover puroposes. Usual value is 2W = 33dBm In GSM1800/1900 TX power is between 0. RSRQ and SINR KPI's, and to maximize throughout. The Video covers LTE radio aspects such RS SINR, PDCCH Capacity, PUCCH Capacity, DL and UL data rates. LTE RF Design and Optimization. Areas such as Network. The text offers an introduction to the basics of LTE architecture, services and technologies and includes details on the key principles and methods of LTE optimization and its parameters. Interference rejection combining (IRC) is a method to enhance the capacity in UL by mitigating the undesirable inter‐cell interference. fungsi dari drive test ini selain mengetahui performansi jaringan juga mengetahui throughput values ( kecepatan upload dan download ). • RSSI, SINR, CQI, RTWP, Timing Advance, Blocking & Availability, Power Headroom Reports Analysis. LTE Optimization MCPS MCP MCPSINC MobileComm 4G. White Paper-Radisys: SCTP Fast Path Optimization for 3G/LTE Networks. of LTE (Long-Term Evolution) eNodeB (evolved NodeB) to improve the overall network performance and diminish negative effects. W-CDMA/LTE Area Optimization using ML8780A/81A Shoji Hamao, Yuji Yoshida [Summary] Mobile phone networks in Japan are switching from 3G to 3. Complete instruction will be provided to estimate LTE capacity and expected throughput considering all of the parameters that affect performance including MAC scheduler and SINR conditions. 4G LTE Cell Planning: 3GPP Long Term Evolution (LTE) is a standard for wireless communications to achieve high spectral efficiency, high peak data rates, as well as flexibility in frequency and bandwidth. RSRP, RSSI, RSRQ and SINR : 5G NR Measurement CRS (Cell Specific Reference Signal ) UE Measurments used in LTE which includes RSRP, RSRQ and SNR. VoLTE Activation and Field optimization services – 3 Month Perform cluster acceptance DT and deliver LTE/VoLTE report to the customer. Another challenge is to coordinate interference and thus enhance the Signal-to-Interference-plus-Noise Ratio (SINR). The Long Term Evolution (LTE) cellular network is based on Orthogonal Frequency Division Multiple Access (OFDMA) to meet several services and performance requirement. The peak data rate envisaged for LTE is. In LTE, it is assumed that even the smallest UE possesses at least two antennas. Resolving Cross Coverage Problem 20. -Analyzing events for VoLTE accessibility improvement Wind catcher and Wire-shark. The issue of interference management can be handled by carrying out precise parameterization while planning and deploying the network. For the coverage-limited scenario LTE link budget is compared to that of 3GPP Release 8 HSPA+ with 2x2 MIMO. Fully integrated (iRETs) with independent RET control for low and high bands for ease of network optimization. The text offers an introduction to the basics of LTE architecture, services and technologies and includes details on the key principles and methods of LTE optimization and its parameters. Long Term Evolution (LTE) is the 4 th generation cellular mobile system that is being developed and specified in 3GPP as a successor of UMTS; compared with 2G/3G, LTE shows many differences in architecture, key technologies, network design and planning, and so on. This document provides guidelines on network optimization for work planning and optimization personnel. Each colored contour of the map defines the areas where the corresponding SINR is available to a mobile receiver. SINR (Signal-to-Interference-plus-Noise Ratio) In information theory and telecommunication engineering, the Signal-to-Interference-plus-Noise Ratio (SINR) is a quantity used to give theoretical upper bounds on channel capacity (or the rate of information transfer) in wireless communication systems such as networks. White Paper: Drive Testing LTE 4 One of the most interesting LTE network features to RF optimization engineers is the impact that multi-ple input multiple output (MIMO) with spatial multiplexing and antenna diversity brings to the end-user performance. Lihat profil Muhammad Asad Ullah Khan di LinkedIn, komuniti profesional yang terbesar di dunia. LTE POST LAUNCH OPTIMIZATION Problem cause, counter pegging, solution & Case study a-z step Courtesy – LRAN team, Kolkata Ericsson Internal | 2015-02-18 | Page 1 All the radio network counters from the EnodeB (and RBS) are reported from one Managed Object (MO) Class. 5G -> 5G) o Business and Technical Drivers o 3GPP Releases comparison Rel 8 – Rel. Self-optimization of coverage and capacity is one of the most important tasks in the context of SON. -SINR Optimization of Long Island NY Clusters,Creating Route Maps for Drive team Using map info. Fast Roll Off (FRO™) azimuth beam pattern improves Intra- and Inter-cell SINR. This course includes cell. In this paper, we consider robust beamforming via worst-case SINR maximization, that is, the problem of finding a weight vector that maximizes the worst-case SINR over the uncertainty model. 1 Defining the right coverage 3. -SINR Optimization of Long Island NY Clusters,Creating Route Maps for Drive team Using map info. Students analyze LTE signaling messages through UE logs and map them to success and failure events. LTE in the presence of X2 interface where nodes can exchange information regarding RB allocations [36]. Huawei Confidential Page 12 RSRP Note: Different from GSM or TD-SCDMA systems, TD-LTE. Perform site. Instead, it is a measurement that reflects the most spectral-. Every network is striving to improve this KPI and it has become more important in LTE since the introduction of VoLTE. Perform new feature testing, validation and tuning for LTE networks. LTE Positioning: Three position methods are specified in LTE release 9 i. EESM Exponential Effective SINR Mapping eNB Base Station ESM Effective SINR Mapping GSM Global System of Mobile Communication HSPA High Speed Packet Access ILP Integer Linear Programming KMT Kwan. If PCI is not planned well, it will cause high interruption of the Reference Signal (RS). However, the available radio resources in cellular networks are scarce, and their formulation is expensive. Required SINR depends upon the following factors: Modulation and Coding Schemes (MCS) Propagation Channel Mode; Higher the MCS used, higher the required SINR and vice versa. 3 optimization activities. Responsibilities: o Performing LTE new rollout network optimization. our engineers have been busy testing Unmanned Aircraft Systems (UAS), or drones, on commercial 4G LTE networks at the Qualcomm UAS Flight Center in San Diego — testing key performance indicators (KPIs) such as coverage, signal strength, throughput, latency, and mobility under various. This means that using QPSK ½ will have a lower required SINR than 16-QAM ½. For each location, the signal source is the transmitter site in txs with the greatest signal strength. 3 Scope of Work For volume and simplicity reasons, this report captures the basic understanding of the LTE architecture and details on KPI analysis of the network (performance management). If dedicated RACHs are insufficient, the eNodeB instructs the UE to initiate contention-based random access. Long‐term evolution (LTE) cell and user throughput is an important KPI of capacity optimization. Demystifying LTE Management Opeyemi Praise, Senior LTE RF Limited, Victoria Island, Lagos, Nigeria. DL: 150Mbps (UE Category 4, 2x2 MIMO, 20MHz bandwidth) DL: 300Mbps (UE category 5, 4x4 MIMO, 20MHz bandwidth) (Multiple Input Multiple Output) UL: 1 x 2, 1 x 4. Did coverage verification and swap checking for new rollout and shifted sites. LTE TECHNOLOGY RELATED LTE INTERVIEW QUESTIONS What is LTE Frame Structure? Configuration (FDD)Frame Type 1 (TDD) Frame Type 2 SINR target and CQI, Downlik ICIC, scheduling affect power control; ICIC SON. 13 o VoLTE versus OTT players Voice in LTE.  RF Optimization of GSM/UMTS/LTE techs including six carriers in network. LTE-A meets and exceeds all requirements for 4G as specified in IMT-Advanced. Show more Show less Radio Network Planning & Optimization Engineer. • New LTE sites PCI, Neighbor, Physical parameter, Swapped Feeders and cluster optimization through Drive tests and verification of KPI targets by verifying RSRP, RSRQ, SINR and Throughput. Optimization of PCI conflict detection in LTE-advanced using collision and confusion methods considering reuse distance algorithm Abstract: PCI (Physical Cell Identity) is a configuration of cell identity used to regulate the neighboring system of each cell that correspond a unique combination of PSS (Primary Synchronization Signals) and SSS. Friday, January 11, 2013. C –LTE RF Engineer Analysis and Optimization Pre and Post Cluster Drive Test 4G. Lostanlen, Optimization of wireless access point placement in realistic urban heterogeneous networks, IEEE, 2012. the small granularity used in this study, it is reasonable to. Live Optimization; Question LTE Poor SINR how to analyze and fix; If this is your first visit, be sure to check out the FAQ by clicking the link above. The focus is on the impact that two kinds of handover algorithms compare to A3 event based on the optimization of hysteresis and time-to-trigger in the different velocity. Dimensioning of PDCCH and Evaluating LTE network design based on Marketing team promotion and Strategy. LTE optimization is a process to check the performance of the network. HUAWEI TECHNOLOGIES CO. First one talks about LTE technology related lte interview questions whereas the second one talks about optimization and planning of LTE. Another challenge is to coordinate interference and thus enhance the Signal-to-Interference-plus-Noise Ratio (SINR). This paper introduces two kinds of handover algorithms that adjust the handover (HO) parameters of LTE (Long-Term Evolution) eNodeB (evolved NodeB) to improve the overall network performance and diminish negative effects. In LTE, it is assumed that even the smallest UE possesses at least two antennas. Alarm and Hardware monitoring, analysis and escalation issue. • New LTE sites PCI, Neighbor, Physical parameter, Swapped Feeders and cluster optimization through Drive tests and verification of KPI targets by verifying RSRP, RSRQ, SINR and Throughput. assume that within each pixel the average received power and. Further, mixed 3G and LTE. SimuLTE is written in C++ and is fully customizable with a simple pluggable interface. The PAR constraint is imposed to prevent high peak power of linear combinations of signature sequences [22], [23]. 13 o VoLTE versus OTT players Voice in LTE. Introduction: LTE network needs not only good RSRP levels, but also high Signal to Interference plus Noise Ratio (SINR). RSRQ =Power measured over the entire BW of occuped RBs. 3 Summary 2. Currently working as LTE RF Optimization & Planning/DAS Engineer from 3 years Diverse Experience of 4 years in RF planning and Optimization of LTE/Wimax /WCDMA/GSM/DAS networks. Our approach focuses on the development of Quality of Experience (QoE) aware optimization downlink scheduling video traffic flow. RSRQ to SINR Relation. LTE network needs not only good RSRP levels, but also high Signal to Interference plus Noise Ratio (SINR). Must be proficient with VoLTE optimization evaluating KPIs, troubleshooting RAN issues using NetScout TrueCall and Iris Spectrum Analyzer, identify CORE issues with NetScout nGeniusONE, SINR. HUAWEI TECHNOLOGIES CO. Today, speech coders have become essential components in telecommunications and in the multimedia infrastructure. Title: 299617303 ZTE LTE Network Optimization, Author: Emerson Eduardo Rodrigues Setim, Length: 89 pages, Published: 2017-11-30. LTE Optimization Engineering Handbook is a comprehensive reference that describes the most current technologies and optimization principles for LTE networks. •Informal drive-through testing of initial Verizon LTE deployments in the Boston area. GSM WCDMA LTE RAN Engineers !!! has 5,023 members. Shin2 1Electrical and Computer Engineering Department, American University of Beirut, Beirut, Lebanon 2Electrical Engineering and Computer Science Department, University of Michigan, Ann Arbor, USA E-mails: 1{asa72,ha27}@aub. It provides a solid understanding of how to plan, design and optimize and a high quality LTE network. Team Lead special city project for CEO to improve MR/DT RSCP/RSRP & EcNo/SINR, 4G Throughput, and CS Drop rate. For more videos, Please. It is not used for the purposes of the transmission settings, but to take the decision (by the UE – in case of cell reselection; or eNB – in case of handover) to move the UE to other cell. If the latter are operator-deployed, a spatial soft-cell. S -- Average Received Signal Power. Optimization based on EC/I0 and KPIs and further solutions. 25W and 4W BS transmission power. Huawei Confidential. LTE UEs typically use SINR to calculate the CQI (Channel Quality Indicator) they report to the network. Covid 19 Update: Given the current global situation, we have paused the delivery of our Live Onsite courses, but our Live Online and Online Anytime Packages remain unaffected. SINR = S / I + N. Planning of RF parameter, Hardware configuration & field level changes. Speech coding is the process of obtaining a compact representation of voice signals for efficient transmission over band-limited wired and wireless channels and/or storage. RSRP and SINR measurements, respectively. We focused on the optimization of transmit power and of user association. • Neighbour Analysis (LNADJ/LNREL/LNHIOF MO Class Parameters) Addition/Deletion. Project (3GPP) introduced the Coverage and Capacity Optimization (CCO) use case for Long Term Evolution (LTE) under the topic of Self-Organizing Network (SON). RSRP, RSRQ, RSSI, SINR Interplay. Robust beamforming attempts to systematically alleviate this sensitivity by explicitly incorporating a data uncertainty model in the optimization problem. I got the LTE system level simulator (1. net running on the desktop and iPhone: The program uses HTTP protocol to download and upload large images multiple times. Because of the wide flexibility it is hard to determine what is possible in them. Basically, LTE provides methods for the UE to micro-sleep even in the active state to reduce power consumption while providing high QoS and connectivity. • LTE Performance Monitoring using Radio Network Statistics. The ADFCO For the above SINR, the capacity of femto user mon subcarrier kis given by C m;k = f:log 2 (1 + SINR. Therefore, RSRP and N RB are considered as benefit criteria,. , CQI/PMI/RI channel) is higher than Format 1a/1b. A QoS-enabled Holistic Optimization Framework for LTE-Advanced Heterogeneous Networks Rajarajan Sivarajy, Ioannis Broustis , N. The standardization of LTE system has been completed in March 2009 by the 3GPP. If you are not familiar with each of these words, please. LTE-A can aggregate up to 5 carriers to make up to 100 MHz 4. RF optimization focuses on coverage and handover problems, which can be supplemented by other problems. This paper describes the handover parameter optimization problem for LTE. A similar ap-proach is used in [37], where the tradeoff between coverage and user throughput performance is studied. The text offers an introduction to the basics of LTE architecture, services and technologies and includes details on the key principles and methods of LTE optimization and its parameters. Practical Introduction to LTE Radio Planning J. LTE RF Optimization Objects. Introduction LTE systems encounter heavy interference at the cell edges due to the usage of a frequency reuse ratio of 1. • Average SINR distribution table (system level result), which provides the SINR probability • Average throughput or spectral efficiency versus average SINR table (link level result) For urban channel model and a fixed inter-site distance of 1732m,downlink throughput for LTE for different values of SINR is shown below. D2D communications have great. Das Submission date:7th. E-UTRA Operating Bands. 3 Scope of Work For volume and simplicity reasons, this report captures the basic understanding of the LTE architecture and details on KPI analysis of the network (performance management). For each location, the signal source is the transmitter site in txs with the greatest signal strength. Performed IBS survey and quality test using TEMS. Downlink Shared Channel Evaluation of LTE System most accepted ways is the exponential effective SINR mapping (EESM) that is 3. -SINR Optimization of Long Island NY Clusters,Creating Route Maps for Drive team Using map info. I changed of the physical parameters of the antenna (azimuth, mechanical inclination and electric tilt) for reduce overlapping of the coverage RSRP and reduce of pilot pollution and improvement the SINR using TEMS Investigation (WINDCATCHER), TEMS Discovery and MapInfo. LTE RF Planning Training is focused on carrying out RF planning and Design and capacity planning for Long Term Evolution (LTE) based networks. SINR, RSRP, RSSI and RSRQ Measurements in Long Term Evolution Networks Article (PDF Available) · August 2015 with 7,450 Reads How we measure 'reads'. Optimal reduction of 4G LTE cellular network congestion utilizes two components of learning and optimization. 2 Joint Optimization with. • Average SINR distribution table (system level result), which provides the SINR probability • Average throughput or spectral efficiency versus average SINR table (link level result) For urban channel model and a fixed inter-site distance of 1732m,downlink throughput for LTE for different values of SINR is shown below. INTRODUCTION The Long Term Evolution (LTE) is an acronym that refers to a series of cellular standards developed by 3GPP to meet the requirements of 4G systems. • Neighbour Analysis (LNADJ/LNREL/LNHIOF MO Class Parameters) Addition/Deletion. RSRQ =Power measured over the entire BW of occuped RBs. 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. • Parameter optimization & Physical optimization after auditing GPL, MPL parameters & features. Value of RSRP, RSRQ, RSSI and SINR to get Good Data Rate RSRP, RSRQ , RSSI are the measurements that the UE takes for cell reselection or handover puroposes. C –LTE RF Engineer Analysis and Optimization Pre and Post Cluster Drive Test 4G. Optimization for LTE Networks F. The bearer can be default (usually Data QCI9) or dedicated (VoLTE QCI1). There is not one factor, but a number of contributing factors which affect the end user throughput. Demystifying LTE Management Opeyemi Praise, Senior LTE RF Limited, Victoria Island, Lagos, Nigeria. The distributed algorithm adaptively updates the system parameters and achieves global optimality by measuring SINR and interference. Won award for successful delivery of this project - Implementation of EPF trial nationwide to improve LTE throughput significantly. Optimization of GSM/UMTS/LTE techs including six carriers in network. Features Overview. The figure to the right shows the paths of a 2x2 or 4x2 LTE system as a waterfall diagram,. Optimization through utilization of transformation tools like, Netact, MUSA, VDT, V3D, Nextmax. The LTE RF Planning, Design and Optimization Training course provides a solid understanding of how to plan, design and optimize and a high quality LTE network. Responsible as LTE Optimization Consultant, assigned to support TrueConex Project at Telkomsel – Telkom Infra project, with following task : • Strategic Optimization Consultant for Telkomsel TrueConex Project, which defining strategic activity for Nokia, ZTE, Huawei, and Ericsson LTE RAN to be executed by Telkom Infra regional team. LTE DRIVE TEST PARAMETERS • SINR :- Signal to Noise Ratio. A high‐speed LTE data network requires excellent SINR distribution planning besides parameter optimization and troubleshooting. Experienced in vendor management and key issues discussions. LTE key metrics for optimization RSRP to indicate the network access (i. Antenna parameter selection and optimization has an important role to achieve maximum capacity and coverage performance in LTE and beyond (LTE-A). Analysis of Cell Load Coupling for LTE Network Planning and Optimization Iana Siomina and Di Yuan, Member, IEEE Abstract—System-centric modeling and analysis are of key significance in planning and optimizing cellular networks. -Analyzing events for VoLTE accessibility improvement Wind catcher and Wire-shark. Cell splitting never hurts, but gain is hard to quantify due to massive disparities in nominal coverage areas • Typical loads may vary by 10-100x from macro to pico • Many BSs will be very lightly loaded, unhelpful 3. Since the. We therefore focus on developing. • RSRP, SINR, PUSCCH/PUCCH RSSI/ MSC & CQI analysis and optimization to meet site KPIs targe Design & Planning of e-NodeB and Node-B Sites based on Coverage Prediction plots & Capacity. Assume that the channel quality feedback carries SINR. Analyzing the Drive test such as areas with bad RSRP, bad SINR, Call dropped and blocked, Call setup time, SRVCC failure, Poor voice quality (MOS) and abnormal RTP Packet losses. LTE UEs typically use SINR to calculate the CQI (Channel Quality Indicator) they report to the network. It is not reported to the network. 1) Link adaption: The wireless transmission channel is char-acterized with time-varying signal degradations and noises. Optimization based on EC/I0 and KPIs and further solutions. It is a common practice to use Signal-to-Interference Ratio. self-optimizing network in a long-term-evolution (LTE) mobile communication system that uses two optimizing algorithms at the same time: load balancing (LB) and handover parameter optimization (HPO). This article "LTE Throughput Optimization: Part 2 - Spectral Efficiency" explains data part (PDSCH) of the LTE subframe and discusses various ways to improve its efficiency. Huawei Confidential Page 12 RSRP Note: Different from GSM or TD-SCDMA systems, TD-LTE. 4) If the SINR>25, and we get the CQI around 14/15 and MCS around 27/28, but still getting low throughput try check the PRBnum assigned. The spectral efficiency is simply the number of bits transmitted over a frequency bandwidth in a specific time and is measured in bits/s/Hz. The assessment metrics are used as measurements during the optimization process and as performance indicators for the. Introduction: LTE network needs not only good RSRP levels, but also high Signal to Interference plus Noise Ratio (SINR). The Long Term Evolution (LTE) cellular network is based on Orthogonal Frequency Division Multiple Access (OFDMA) to meet several services and performance requirement. DL/UL Acceleration Technologies. LTE measurement report events.  responsible for optimization and maintenance of LTE Radio KPIs, for example S1 Establishment success rate, RRC Setup Success Rate, Service Drop Rate, Intra/inter/IRAT Handover success rate, UL/DL. LTE RF Planning Training is focused on carrying out RF planning and Design and capacity planning for Long Term Evolution (LTE) based networks. • RSSI, SINR, CQI, RTWP, Timing Advance, Blocking & Availability, Power Headroom Reports Analysis. We develop a comprehensive, unified LTE compliant evaluation environment. One can also develop new modules implementing new algorithms and protocols. How are these. Index Terms—LTE, channel quality, adaptive modulation and coding (AMC), reinforcement learning, performance evaluation. LTE optimization is a process to check the performance of the network. KPI Optimization: LTE Call Drop Rate One of the most important KPI is the LTE Call Drop Rate. ไดอะแกรมแสดงการกระจายของ SINR (Signal to Interference plus Noise Ratio) อัตราความสำเร็จของการทำ handover (handover success rate) รูปที่ 4 การทำ LTE RF Optimization. Role: Must be an LTE/VoLTE Optimization engineer (not RF Design) Perform site walks/drive tests for pre-construction SINR verification, and recommend macro site changes if needed. • Coordinating with NOC and BSS engineers for troubleshooting issues faced by DT teams and provides the technical support to rectify the issues. SINR - BLER mapping (AWGN curves ) SINR compresion (MIESM) subcarrier SINR vector. It is a common practice to use Signal-to-Interference Ratio (SINR). ratio (SINR) are system metrics. Fully integrated (iRETs) with independent RET control for low and high bands for ease of network optimization. 25W and 4W BS transmission power. • New LTE sites PCI, Neighbor, Physical parameter, Swapped Feeders and cluster optimization through Drive tests and verification of KPI targets by verifying RSRP, RSRQ, SINR and Throughput. • Maintaining 5G/LTE KPIs above the defined threshold through field optimization and parameter Optimization. Two alternative solutions, namely Block Coordinated Descent Simulated Annealing (BCDSA) and Genetic Algorithms (GA) are presented to solve the problem. In LTE the SNIR PDSCH required replaces the Eb/N0 required of the UMTS Rel. Solving Imbalance UL and DL 22. Planning proper Antennas and adjust Azimuths, Mechanical and Electrical tilts. CQI stands for Channel Quality Indicator. Won award for successful delivery of this project - Implementation of EPF trial nationwide to improve LTE throughput significantly. In [39], a comparison between online and offline self. If you want to improve them, there is a possibility to switch to IRC from MRC (or enable adaptive switching between MRC and IRC). bib0046 Continuous Computing: Trillium Femtocell Gateway,. • Coordinating with NOC and BSS engineers for troubleshooting issues faced by DT teams and provides the technical support to rectify the issues. You may have to register before you can post: click the register link above to proceed. Resolving Cross Coverage Problem 20. -SINR Optimization of Long Island NY Clusters,Creating Route Maps for Drive team Using map info. Februar 1984 in Barcelona Matrikelnummer. LTE RF Optimization Training provides knowledge and skills needed for successful delivery of LTE network design, LTE planning and optimization activities. Therefore the picture below should explain you on Which channels in DL and UL , power control takes place. estimation and optimization of the SINR are well-known problems in radio communication systems such as 802. SINR without CRS 24. for optimal pilot symbol power allocation in Section V. If we are getting significant.
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