Lte rf planning optimization for 4g interview questions. Rrc success rate is one of the most important kpis for lte accessibility. The increased traffic will expose network weakness and demand for optimal configuration. Coverage optimizationnetwork optimizationquality measurementsperformance analysis. It also explains steps and procedures that can be used to. This workshop provides insights into the symptoms and possible causes of field performance issues in lte radio networks using ue logs. Analysis of cell load coupling for lte network planning. Both coveragelimited and interferencelimited scenarios are considered. Performance evaluation of a deployed 4g lte network. Networkpdnbyassigninganipaddressfromthe pdntotheue,amongotherfunctions. Planning and optimization of lte network deployment, such as base station bs location and antenna parameter configuration, necessitate. Load balancing optimization in ltelte a cellular networks. Sae system architecture evolution is the corresponding evolution of the gprs3g packet core network evolution. Analysis of cell load coupling for lte network planning and optimization.
This keeps information about the users phone number, home network identity and security keys etc. Volte optimization lte optimization engineering handbook. Long term evolution radio access network lte l17 commercial in confidence 443221 09fap 506 uae, rev a 201611 15 page 25. Pdf optimization of lte network coverage researchgate. Workshop ws long term evolution radio access network lte l17 commercial in confidence 443221 09fap 506 uae, rev a 201611 15 page 4. Its high data rates enable advanced multimedia applications. As a sponsor of ngmn,huawei has been actively involved in the research of some key projects of ngmn, such as network self optimization, system architectureand network performance evaluation and so on. Pdf rf planning and optimization for lte networks researchgate.
Increasing functional expenses for lte drives the son software market growth. Pyltes python lte evaluation framework for quick and reliable network optimization abstract. Private lte networks for industrial iot large addressable market with many verticals multefire in 5ghz globally, ltebased cbrs in 3. Lte optimization engineering handbook wiley online books. Lte optimization engineering handbook is a comprehensive reference that describes the most current technologies and optimization principles for lte networks.
The main idea of esrvcc is to anchor the media user plane in one point in network. Lte stands for long term evolution and it was started as a project in 2004 by telecommunication body known as the third generation partnership project 3gpp. This elearning course offers a quick and concise overview of lte networks and the ofdmbased air interface. Traditional systems have been facing difficulties in managing complexity arising on account of lte and 3g technologies.
Nokia siemens networks lte 1800 mhz introducing lte with maximum reuse. Inability of traditional systems to manage network complexities coupled with increasing 3g and lte network complexities may further fuel growth in the self organising network son and optimization software market. It explains essential topics from basic performance measurement counters, radio quality and user plane quality to the standards, architecture, objectives and functions of the different interfaces. Effect of network protocol and application behavior on performance junxian huang8 feng qian9 yihua guo8 yuanyuan zhou8 qiang xu8 z. Pyltes python lte evaluation framework for quick and. Globally, the average mobile network downstream speed in 2010 was 215 kilobits per second kbps, up from 101 kbps in 2009. 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. Lte mobile network optimization a definitive guide long term evolution lte provides global mobility and a wide range of services that includes voice, data and video for subscribers and delivers new revenue streams and cost saving for operators. Voice has been circuit switched in 2g and in 3g networks while voice in lte is voip volte. Lte optimization free download as powerpoint presentation. Lte optimization mainly refers to the preoptimization and.
The purpose is to check the performance of network. A comprehensive reference on the call procedures of 4g ran and core networks, lte signaling, troubleshooting and optimization describes the protocols and procedures of lte. Rf planning and optimization for lte networks 417 direct ray re. Drive testing lte 4 one of the most interesting lte network features to rf optimization engineers is the impact that multiple input multiple output mimo with spatial multiplexing and antenna diversity brings to the enduser performance. It allows to define the geographic location of cells, enodeb. Evolved cellular network planning and optimization for. Lte rf optimization training provides knowledge and skills needed for successful delivery of lte network design, lte planning and optimization activities. As a sponsor of ngmn,huawei has been actively involved in the research of some key projects of ngmn, such as network selfoptimization, system architectureand network performance evaluation and so on. Sctp fast path optimization for 3glte networks radisys white paper 2 long term evolution lte, a whole new 4th generation mobile radio access network ran technology, promises higher data rates100mbps in the downlink and 50mbps in the uplink in ltes first phaseand will reduce the data and control plane. Long term evolution lte is most enhanced broadband wireless access bwa technology. Sharawi and others published rf planning and optimization for lte networks find, read and cite all the research you need on researchgate.
Current state of mature lte networks requires a comprehensive approach to network performance monitoring and control. Lte performance management and optimization lte solutions. Nokia siemens networks lte 1800 mhz introducing lte with. Intralte handover within the current lte network is achieved typically by. The competitive advantage that lte therefore has is its ability to provide a very high throughput and longer coverage for the end users 4. Selfconfiguring, selfoptimizing wireless networks is not a new concept but as the mobile networks are evolving towards 4g lte networks, introduction of self configuring and self optimizing mechanisms is needed to minimize operational efforts. In this paper we present the python lte software pyltes, which is a opensource framework for performance evaluation and optimization of the configuration of lte networks deployment. The goal of son at the stage of network planning is to eliminate as much preplanning of network configuration as possible. Mobile network optimization market size, share industry. A usim stores userspecific data very similar to 3g sim card.
Performance evaluation of a deployed 4g lte network arxiv. Network optimization has played a critical role in mobile networks since their inception two decades ago. Wisdom jobs got the perfect job opportunity to make your dream come true. Rf measurements related to coverage and interference are discussed to analyze coverage holes and overlapping regions. Sharawi and others published rf planning and optimization for lte networks find, read and cite all.
Planning and optimization of lte network deployment, such as base station bs. Complete 4g lte performance optimization training course with certification get. But now there are so many key performance indicators kpis. Why should you choose tonex for your lte rf optimization training. Huawei confidential page 4 contents network and rf optimization processes lte rf optimization objects troubleshooting coverage signal quality handover success rate 5. Click download or read online button to get evolved cellular network planning and optimization for umts and lte book now. The key son subjects are network planning, network deployment and network optimization.
Additionally,the evolvedpacketdatagatewayepdgprovidessecurity. Pdf lte post launch optimization v harjeetsingh gill. When a user is connected to a 4g lte network, then he is connected to a network with a flat ipbased architecture which uses. Further, mobile optimization network implementation for existing 2g and 3g technology is expected to propel the industry demand in near future. Lte optimization engineering handbook, zhang, xincheng. The chapter focuses on volte capacity, volte coverage, volte delay, intra. Wireless network planning solutions cellular expert. In this course we will address how the abovementioned performance challenges can be solved in 4g lte optimization. Like every technology, lte has many kpis that need to be maintained and optimized.
This article explains the details about the rrc setup procedure and the common failures seen at the rrc phase. Load balancing optimization in lteltea cellular networks. Pdf the trend of mobile, broadband and ip is becoming more and more prominent. Son does allow preplanned network configuration, but it strongly. Lte mobile optimization a definitive guide white paper.
We have categories of kpi and numbers of kpi of each category. For optimization, data capturing of volte is necessary. 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. This document provides guidelines on network optimization for network planning and optimization personnel.
Lte planning and dimensioning 1 itu pita workshop on mobile network planning and security sami tabbane 2325 october 2019 nadi, fiji islands. Multiple network technologies, such as gsm, umts, and lte nes in multiple network domains, including the wireless network, core network, ip network, transport network, and microwave network networks of multiple vendors both the mobile network and fixed network. A self optimizing function would increase network performance and quality reacting to dynamic processes in the network. Lte theory to practice kpi optimization a 4g wireless. Self organizing method for handover performance optimization in lteadvanced network. Mobile communication technology is now in acritical. The highlevel network architecture of lte is comprised of following three main components. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext.
Lte and ltea supports ip internet protocol based packet. This brand new course focus on practical aspects of lte radio network optimization. Lte handover, enhanced srvcc esrvcc, network quality, subjective speech quality and volte optimization. Students analyze lte signaling messages through ue logs and map them to success and failure events. Drivetestenabled devices can log the current rank, number of transmit and receive paths. Optimizing lte and ltea networks with the right kpis. Increasing operational expenditure for lte network is anticipated to propel market growth.
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