Stream control transmission protocol sctp is the key protocol utilized as transport for all signaling between the ran and epc. Managing signaling growth challenges in lte and ims networks. Jul 04, 2014 huawei confidential page 10 contents network and rf optimization processes lte rf optimization objects troubleshooting coverage signal quality handover success rate 11. Introduction to network optimization l1 shortest path problems l2 the maxflow problem l3 the mincost flow problem l4 auction algorithm for mincost flow l5 network flow arguments for bounding mixing times of markov chains l6 accelerated dual descent for network flow optimization l7 9.
In an lte cell, a base station or enodeb enb allocates radio resources to a number of user. At the center of any power system design is the control and communication architecture, comprising the hardware and. This process is collectively known as signal transduction, and involves a collection of interacting macromolecules such as enzymes, proteins, and second messengers. This extensively updated second edition of lte signaling, troubleshooting and performance measurement describes the lte signaling protocols and procedures for the third generation of mobile communications and beyond. Sctp fast path optimization for 3glte networks radisys white paper 3 figure 2 highlights the control protocol stacks of these lte network elements. Viavi signaling analyzer real time sart for lte viavi solutions. Sctp fast path optimization for 3g lte networks radisys white paper 3 figure 2 highlights the control protocol stacks of these lte network elements. Lte, lte advanced, remote electrical tilt, mechanical downtilt, antenna modeling, adaptive antenna systems, selforganizing network, self optimization. Berlinbased authors ralf kreher, principal engineer, and karsten gaenger, product line manager, geolocation, cowrote both editions. A solution of robust optimization remains close to optimal for all demand scenarios, while a solution of stochastic optimization may yield large changes in the objective value among different scenarios. Lte radio functionality and signalling message flows are briefly. Multiple case studies explain network design optimization of various heterogeneous network deployments. Contains a description of lte air interface monitoring scenarios as well as other key topics up to an advanced level lte signaling, troubleshooting and optimization is the long term evolution successor to the previous wiley books umts signaling and umts performance measurement.
Lte rel8 2009 300mbits 15ms20ms 20mhz with the addition of adaptive modulation and coding amc and multipleinput multipleoutput mimo spatial multiplexing 5, the last iteration of 3gpp cellular wireless systems, named long term evolution lte, is capable of reaching a spectral e ciency of up to 15bitshz. It also provides the mechanism for transporting the clients digital signal through into the oth compliant network. A benefit of dimension reduction and regression models such as pls is that they provide the capability to identify key modulators behind a specific signaling response. A comprehensive reference on the call procedures of 4g ran and core networks, lte news alert signaling, troubleshooting and optimization describes the protocols and procedures of lte. Sections viviii present more advanced material on driftpluspenalty theory for. Telcoma certified 3g optimization expert global certification.
Selfoptimization of coverage and capacity in lte using. Compress and broadcast assume near entropy reaching compression of the scheduling map and that the same information is broadcast to all scheduled users jointly. Huawei lte handover troubleshooting linkedin slideshare. Load balancing optimization in lteltea cellular networks arxiv. It can be used to assess the impact of local and global optimization strategies in routing and power management. Start here use overtheair ota tests to spotcheck a transmitters coverage and signal quality. Signal transduction is an important part of a cells communication with its surroundings. Wireless network optimization is an important link in the beginning of the wireless communication network construction process, which decides the construction of wireless communication network whether scientific. The emphasis of this book is describing the signaling procedures and call flows on the radio interface, in euthan and within enhanced packet core networks. For example, model predictions for gcsf were the most accurate of all cytokines, with r 2 values ranging as high as 0. Lte network capabilities are enhanced with small cell deployment, with optimization and with new 3gpp features.
Because the lte mac is fully scheduled, qos is a natural fit. The optical channel layer is the highest level layer and interacts. Lte enodeb troubleshooting guide utilizing anritsus handheld bts master, cell master or spectrum master with options 0541, 0542 and 0546 visit us at. Lte signaling, troubleshooting and optimization is the long term evolution successor to the previous wiley books umts signaling and umts performance measurement. In this paper we present results of codeselective measurements of the signal level in lte. With telcoma certified 3g optimization expert certification, you have the capability to perform efficiently and get promoted with raise in salary. 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. Ntct today announced two engineering experts have written lte signaling. Modeling and optimizing the lte discontinuous reception. Robustness approach to the integrated network design. This study proposes the optimization design to improve the integrity of the voltage signals of a conventional differentialmode structure. By leaving the ai model development to implementation, 3gpp.
The book is full of detailed signaling information and easy to understand. Introduction to network optimization l1 shortest path problems l2 the maxflow problem l3 the mincost flow problem l4 auction algorithm for mincost flow l5 network flow arguments for bounding mixing times of markov chains l6 accelerated dual. It was basically a system that offered a model of how radio resources in this case. This has proven effective for designing the 4g lteadvanced air interface. This completely revised and updated edition of the highly successful umts signaling provides a deep insight into all aspects of umts signalling. In this paper, we employ the electronic packages simulation software speed 2000 to perform an analysis of signal integrity. Troubleshooting and optimization, 2nd edition, and the published book is now available in the united states and europe.
Jan 18, 2011 lte signaling, troubleshooting and optimization is the long term evolution successor to the previous wiley books, umts signaling and umts performance measurement about the author ralf kreher works as senior software architect for tektronix communications test and optimization business with focus on umts and lte performance measurement and key. However, the present lte drx still has more room for improvement. Lte signaling, troubleshooting, and optimization ralf kreher, karsten gaenger. Datadriven modeling of cellular stimulation, signaling. Lte drx is one of the most effective powersaving mechanism and is already supported by the latest lte phones e. Gsm radio network planning and optimization provides a solid understanding of how to design and plan a high quality gsm radio network. By discussing real practical troubleshooting usecases scenarios. Sctp is also utilized as transport for the diameter protocol in lte. Just as ethernet and the internet have different types of qos, for example, various levels of qos can be applied to lte traffic for different applications. Optimization of path loss models based on signal level. Lte signaling, troubleshooting and optimization is the long term evolution successor to the previous wiley books, umts signaling and umts performance measurement about the author ralf kreher works as senior software architect for tektronix communications test and optimization business with focus on umts and lte performance measurement and key. Gsm radio network planning and optimization widermind.
Lte, lteadvanced, remote electrical tilt, mechanical downtilt, antenna modeling, adaptive antenna systems, selforganizing network, selfoptimization. Download it once and read it on your kindle device, pc. Huawei confidential page 10 contents network and rf optimization processes lte rf optimization objects troubleshooting coverage signal quality handover success rate 11. It explains essential topics from basic performance measurement counters, radio quality and user plane quality to the standards, architecture, objectives and functions of. Lte small cell optimization ebook by 9781118912409. Lte0 one signalingscheduling principle in the lte standard.
The course also covers how to expand the network, techniques to boost capacity, how to lower interference and increase quality in the network. Lte network parameters optimization based on automatic. 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. Learn how undertake network performance improvement kpis and optimization tasks and create acceptance plan, sponsor best practices and ensure data integrity of various morphologytopography. Cn functions and their optimal placement, taking into account the.
Radio access and core functionalities in selfdeployable mobile. Troubleshooting and optimization kindle edition by kreher, ralf, gaenger, karsten. Magic genie signaling without any resource cost at all. Jul 23, 20 title slide of huawei lte handover troubleshooting slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Accompanying website includes matlab code for simulating heterogeneous networks, lte channel models, and references to 3gpp specifications, contributions, and updates on recent standardization activities. Further growth is expected as lte penetration rises even more, and as 3g operators introduce policy.
Pdf lte signaling, troubleshooting, and optimization. The optimization problems addressed in this thesis, in the context of umts networks, focus on minimizing the total amount of pilot power which, from the modeling point of view, is not just an amount of power consumed by a certain type of control signal, but also an. This certification validates your expertise and skills and is. Creating an overall framework for the testing, evaluation, and optimization of lte and sae is a large and complex topic this document provides a starting point. Lte signaling, troubleshooting and performance measurement.
Matlab and communications system design modeling and simulation simulation acceleration path to implementation case study. The successful trial, deployment, operation and troubleshooting of 3g or umts infrastructures and applications is. The stochastic models minimize the expected cost, whereas the robust models minimize the tradeoff between the expected cost and risk. Lte signaling, troubleshooting, and optimization wiley. The optical channel trail from source to sink composes of two distinct logical signals. Evaluations are performed by mapping linklevel simulation results into a system level lte simulator that models antennas in details and propagation in three dimensions.
Small cells have been discussed in the communications industry for many years, but their true deployment is happening now. Lte networks are getting high loaded which calls for more advanced optimization. Robustness approach to the integrated network design problem. The chapter structure has been reworked for improved usability for readers, as well as including many new features and updates. Key performance indicators and measurements for lte radio. The optical channel layer is the highest level layer and interacts directly with the clients system interface. Living cells receive various external stimuli and convert them into intracellular responses. Lte qos lte architecture supports hard qos, with endtoend quality of service and guaranteed bit rate gbr for radio bearers. Physical layer modeling of an lte system in matlab. Our work is the first development of optimization models specifically for realtime selfhealing, and that directly incorporates uncertainty.
Optimization design of improving signal integrity for. Lte rel8 2009 300mbits 15ms20ms 20mhz with the addition of adaptive modulation and coding amc and multipleinput multipleoutput mimo spatial multiplexing 5, the last iteration of 3gpp cellular wireless systems, named long term evolution lte, is. System level modeling and optimization of the lte downlink. Troubleshooting and optimization by ralf kreher, karsten gaenger bibliography sales rank. This paper focuses on the method and content of the lte wireless network optimization, mainly involves in the planning process and key technologies of lte wireless network. Simple, scalable, resilient architecture using optimal resources and support multiple. Furthermore, we can see that the otn model will have to provide. As discussed in greater detail in materials and methods, the afcs data was derived from raw 264. Managing signaling growth challenges in lte and ims. Lte rf optimization training provides knowledge and skills needed for successful delivery of lte network design, lte planning and optimization activities. On the other hand, the advances in virtualization techniques allowed easier. If you continue browsing the site, you agree to the use of cookies on this website. Optimization of path loss models based on signal level measurements in 4g lte network in so.
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