Network optimization tools tend to be reactive in nature and require manual changes to network topology to affect performance. They are conceived to minimize human intervention in engineering processes and at the same time improve system performance to maximize returnoninvestment roi and secure customer loyalty. So this rf optimization is done in order to reduce such problems. Pdf 3g project network optimization ibrahim mohammed. In this paper planning of wireless networks is vital if operators wish to make full.
Among others, we devised network optimization methods that are based on a very detailed mathematical. 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. Gsm radio network optimization how to optimization network 2014114 1. Network optimization project for telecom carriers in russia. First, the concept of network optimization gsm network optimization work is officially put into operation refers to the gsm network, data acquisition, data analysis, identify the issues affecting the quality of the reasons for network operations, and through parameter adjustment and the adoption of certain technical means to enable the network. Depending on the application, a language has to be developed for such a communications network. Pdf rf planning and optimization in gsm and umts networks. Rf optimization for call setup and analysis of gsm network. Global system for mobile communication gsm, is nothing more than a network of computers. Maximising coverage and capacity with qos guarantee in gsm. Each cell is given a cell global identity cgi, a number that uniquely identifies the cell. Overview this course is developed to create understanding of optimization process using various tools. They developed a regressionbased forecasting model for the traffic 8.
A significant interference diversity gain is obtained with as little as 3 hopping frequencies. Rf optimization and drive test is the tool to keep continue watch on network qos. The total number of autonomous systems as has crossed 600,000 and is still growing. Rahnema includes detailed coverage from both a theoretical and practical perspective on the planning and optimization aspects of umts, and a number of other new. Network operators face planning challenges, for which experiences from 2g gsm barely carry over. Network optimization project for telecom carriers in russia mogari haruka, unno ryuji, ito takeshi 1. Radio frequency optimization ofa global system for mobile gsm network by. Whats more, things like easily swapping phones and using data while on a call is supported with gsm networks but not cdma.
Network optimization is a set of best practices used to improve network performance. Pdf radio frequency optimization is an important process in verifying and monitoring the performance of any gsm radio network already deployed in an. Rf optimization issues in gsm networks ieee xplore. Identifying potential faults in the network and resolving them before they affect network performance. These functions and interfaces are explained in this chapter. A practical approach to improve gsm network quality by rf. This is the area that is paged when a subscriber gets an incoming call.
With the current explosion in network traffic, and mounting pressure on operators business case, selforganizing networks son play a crucial role. Radio network planning tools basics, practical examples. Gsm radio optimizationzte gsm radio network optimization. It also contains planning procedure for installation of. View notes gsm radio optimizationzte from it 123 at institut teknologi telkom.
Abstractnetwork audit is necessary to judge the network performance and maintain qos standards. Pdf improve gsm network call drop by rf optimization. With the emergence of organizational cultures like devops, network optimization tools have moved into the realm of sdn, network automation and virtualization. It has an open, distributed architecture the separation of switching and service control functions full use of ss7 as the signaling infrastructure its clearly defined and specified interfaces the nature of its in structure. Optimization of the methodology of configuration of mobile. Rf optimisation remains one of the key challenges in any network. Cellular concept several small cells instead of a single transmitter frequency reuse. The process of adjusting the radio access network ran settings to provide the desired performance, coverage and capacity is called radio frequency rf or radio network optimization. Nov 12, 2019 for practical and everyday purposes, gsm offers users wider international roaming capabilities than other us network technologies and can enable a cell phone to be a world phone.
The important steps in the network optimization process are 1. As we have seen call rates and the call drop are the major problems in the gsm network. In the us, gsm operates in the bands 850 mhz and 1900 mhz. Access network optimization procedure consists of two phases. This online course will show you practical, reallife methods and approaches to radio network optimization, based on years of experience gained by amdocs. Given below is a simple pictorial view of the gsm architecture. The network audit identifies inconsistencies or limitations in current overall network design, helps to improve processes resulting in optimized network and improved quality of service.
Apr 07, 2015 first, the concept of network optimization gsm network optimization work is officially put into operation refers to the gsm network, data acquisition, data analysis, identify the issues affecting the quality of the reasons for network operations, and through parameter adjustment and the adoption of certain technical means to enable the network. Due to the mobility of the subscribers, the organisational structure must be subdivided into different processing elements. Optimization process optimization is an important step in the life cycle of a wireless network and is an ongoing process. So if optimization major issue is call drop in gsm. Optimization is a 3days course providing a solid understanding of how to design plan and optimize a high quality gsm radio network filename. Network optimization should be able to ensure optimal usage for system resources, improve productivity as well as efficiency for the organization. Optimization methods for umts radio network planning.
Umts network planning, optimization, and interoperation. A brief introduction to network optimization datapath. It gives knowledge about fundamentals of rf optimization, data collection and root cause analysis on the basis of the collection of reports in order to maintain and improve subscriber quality of services. Network optimization lies in the middle of the great divide that separates the two major types of optimization problems, continuous and discrete. Optimization is all actions intended to tune all aspects of the gsm network performance, covering access network, core network, and transmission network. Large organizations make use of teams of network analysts to optimize networks. The ties between linear programming and combinatorial optimization can be traced to the representation of the constraint polyhedron as the convex hull of its extreme points. The course also covers how to expand the network, techniques to boost.
As a result, the complex interconnections between various network end points are also becoming more convoluted. A practical approach to improve gsm network quality by rf optimization. The additional components of the gsm architecture comprise of databases and messaging systems functions. Radio frequency optimization ofa global system for mobile gsm. Nokia siemens networks lte 1800 mhz introducing lte with. An important function of oss is to provide a network overview and support the. Pdf gsm optimization of coverage area using agilant tool. They will learn about practical performance and deployment issues specific to the gsm standard. Cellular networks khoury college of computer sciences. Geographical structures in a mobile communication network gsm is a worldwide standard for mobile communication with an extensive coverage. It also contains planning procedure for installation of new sites.
It is a time consuming task, and investigating in a way to automatically choose appropriate. Dec 21, 2007 moe rahnema is a consultant providing advisory services to major network equipment vendors and mobile operators in the areas of network planning, network architecture and solution development, as well as radio coverage planning and optimization of 3gumts, gsm, and gprs. Rahnema includes detailed coverage from both a theoretical and practical perspective on the planning and optimization aspects of umts, and a number of. Rf optimization, gsm network, drive test, call drop, call failure, post processing, urban and rural areas, quality of service qos, coverage.
Masters programme, research on information and communication technologies. Gsm radio network optimization how to optimization network 2014114 1 wireless network optimization common. All the events being occurred over air interface are triggering different counters in the base. The participants will become familiar with the features of the gsm standard and understand why and how it evolved. Gsm network consist of different cells and each cell transmit signals to and receive signals from the mobile station, for proper working of base station many parameters are defined before functioning the base station such as the coverage area of a cell depends on different factors including the. Rectifying causes of faults affecting network performance. Gsm network consist of different cells and each cell transmit signals to and receive signals from the mobile station, for proper working of base station many parameters are defined before functioning the base station such as the coverage area of a cell depends on different. Quality of service and performance of gsm network can be determined from key performance indicators kpis such as call setup success rate cssr, call drop rate cdr, handoff success rate hsr, traffic channel tch congestion rate, sdcch and tch. The interference diversity gain is dependent on the number of hopping frequencies and interference levels from the interfering cells. Umts network planning, optimization, and interoperation with gsm is an accessible, onestop reference to help engineers effectively reduce the time and costs involved in umts deployment and optimization. Gsm is a circuitswitched system that divides each 200 khz channel into eight 25 khz timeslots. The purpose of oss is to offer the customer costeffective support for centralized, regional, and local operational and maintenance activities that are required for a gsm network. View notes gsm radio optimization zte from it 123 at institut teknologi telkom.