The gsm round cutter is a tool used in extracting precision. In telecomhall commnunity open source doesnt just mean access to the source code. These measurements are performed through interference drive test and rf survey. Drive test plan, procedure and output for gsm teletopix. Keywords drive test, rf parameter, tems investigation. Driv test is conducted for checking coverage criteria of a cell site with rf drive test tool. The technique consists of using a motor vehicle containing mobile radio network air interface measurement equipment that can detect and record a wide variety of the physical and virtual parameters of mobile cellular service in a given geographical area. Maximum of 63 frequencies can be defined in the ma list. Complete gsm drive test training course with certification comp4gltedrivetest this video explains the concept of gsm.
We extend the concept to collaboration among our users helping to solve doubts, help each other in every possible way and to define the best. Walk test, ie, collect data by walking areas of interest. This page on 4g lte drive test describes lte measurements performed during drive test. Lte drive test data can be analyzed during the drive test process as it is displayed on the screen. Drive test engineer,tems,rf engineer,lte,2g resume in dl. Rf survey is carried out to find out best suitableposition for bts cell site and tower giving bestdesired result for rf. Set of frequencies the mobile is allowed to hop over. Used in more than 180 countries worldwide, tems investigation is the industry standard tool for troubleshooting, verification, optimization and maintenance of wireless networks with emphasis on the practical considerations. A practical network will have cells of no geometric shapes. Two approaches are used to evaluate the network performance, namely. Pdf rf survey and drive test tushar saxena academia. Drive testing is principally applied in dropped calls both the planning. Drive testing provides an accurate realworld capture of the rf environment under a particular set of network and environmental conditions.
Rf planning and drive test a cell can be defined as the area covered by one sector. The data collected by drive test tool as log files is analyzed to evaluate various rf parameters of the network. Introduction in order to study the nature of radiation pattern and strength of signal for a particular. Drive test is conducted for checking coverage criteria of a cell site with rf drive test tool. The drive test is a test performed in cellular networks regardless of technology gsm, cdma, umts, lte, etc.
It also mentions lte drive test tools including lte test scanner. Drive test free download as powerpoint presentation. This course of lte drive test covers the process of drive test, parameters of dt and analysis of log files etc. Rf engineer interview question should not be same all time due to new technologies coming day by day but basics are very important to understand. Main elements involved in radio network are mobile station and base transceiver station. Tujuan drive test adalah mengumpulkan informasi jaringan secara real di lapangan. Step by step drive test and post processing using tems and. Drive and walk test equipment for rent, lease or sale. Rf planning data is created based onindoor outdoor coverage criteria in the circlewhere mobile services are to be provided. Gsm3ghspa drive test and optimization for disaster prone hilly terrain of badrinath and. Before performing a standard gsm test, you must acquire fabric samples using a gsm cutter. In an faq style, it explains briefly the background of lte and leads to the important measurements that have to.
Drive test merupakan salah satu bagian pekerjaan dalam optimasi jaringan radio. Analyzing customer complaint of certain operator in their home or office area finding problem in. Post design drive test for site verification optimization. In long term evolution lte, as with other cellular technologies, drive testing is a part of the network deployment and management life cycle from the early onset. The tems network testing portfolio allows you to optimize mobile network quality and application performance by measuring end user experience. Drive testing is a method of measuring and assessing the coverage, capacity and quality of service qos of a mobile radio network the technique consists of using a motor vehicle containing mobile radio network air interface measurement equipment that can detect and record a wide variety of the physical and virtual parameters of mobile cellular service in a given geographical area.
Drive test plan, procedure and output for gsm drive test is simply test of coverage for radiating bts. Rf engineer interview questions drive test engineer. Drive route and site data for the sites to be driven is taken from customer. Informasi yang dikumpulkan merupakan kondisi aktual radio frequency rf di suatu base transceiver station bts maupun dalam lingkup base station subsystem bss yang dilakukan dengan mobil sehingga pengukuran dilakukan bergerak. Drive testing is principally applied in both the planning and optimization.
The drive tests are useful for various reasons as mentioned below. In this mode drive testing data is used to diagnose the root cause. Telecom 2g,3g,4g,rf lte drive test,optimization,ipv6 study. The wireless modem or system may include any wireless standards such as gsm, wcdma, hspa, umts, lte, wimax, wlan etc. Get wireless walk and drive test equipment that is designed to provide performancecritical solutions. Phonebased drive test for lte phonebased drive test systems are useful for evaluating basic network performance and are essential to characterizing the enduser experience while using the network. A compilation of the best telecom articles on internet. Rf engineer or rf drive test engineers are commonly asked below written question. Study and implementation of drive test for development of gsm. But it depends on your job duties for which postion you are hiring. E6474a drive test wireless network optimization platform applications rf planningverificationmodel tuning. Gsm provides the weight per unit area or the weight per unit length or weight per running yard in lament terms. Depending on the selected hardware options, it can make.
This video explains the concept of gsm drive testing with kpi parameters for 2g network performance optimization. Study and implementation of drive test for development of gsm network. Here, value of rxlevel 43 dbm represents strongest signal and 108 dbm represents weakest signal. The gl drivetest solution includes the necessary functionality to support call control for the mobile phone, the capability for sendingrecording voice over the mobile phone, the ability to analyze the voice and provide vqt measurement results along with vqt analysis results, and finally the ability to associate the gps location coordinates and gps time stamping with each vqt measurement result. Rf optimisation remains one of the key challenges in any network. Perform cell site survey on gsm, wcdma, lte radio access network using rantcell app. Drive test is performed mostly for characterization of propagation and fading effects in the channel. Drive test is performed to verify if they meet the coverage objectives. Amin babiker anabi mustafa 3 1,3 department of communication, alneelain university, khartoum, sudan. My paper is based on performance analysis of gsm network reliance gsm in aligarh city, up, india.
Drive test, worst cell, site survey,antennarigging. Drive testing is a method of measuring and assessing the coverage, capacity and quality of service qos of a mobile radio network. For companies looking for the most versatile drive test tools in telecom, now you can deliver confident coverage and better qos for the customers who demand a better experience. The object is to collect field data to optimize and adjust the prediction model for preliminary simulations. Rxlevel represents received signal strength of gsm network. For network operators, tems delivers the ability to walk test, drive test, and dynamically analyze service performance under reallife conditionsindoors, outdoors, and around the clock. Pdf driv test is conducted for checking coverage criteria of a cell site with rf drive test tool. Rf drive testtesting is the procedure to evaluate performance of wireless modemsystem while drivingor in motion. Collection of the input parameters like requirement of capacity, coverage and. And its very important things for mobile service provider. Gsm parameters radio parameters rxlev rxlevel represents. Step by step drive test and post processing using tems and mapinfo abdul july 02, 2016 1 comments several functions of drive test.
477 247 919 469 1590 518 75 813 747 429 485 1526 678 1388 580 460 962 1267 1035 1070 47 901 850 1234 956 830 1032 849 1132 661 688