Get wireless walk and drive test equipment that is designed to provide performancecritical solutions. Walk test, ie, collect data by walking areas of interest. Drive testing is a method of measuring and assessing the coverage, capacity and quality of service qos of a mobile radio network. Rf drive testtesting is the procedure to evaluate performance of wireless modemsystem while drivingor in motion. Drive test is performed mostly for characterization of propagation and fading effects in the channel. Maximum of 63 frequencies can be defined in the ma list. Here, value of rxlevel 43 dbm represents strongest signal and 108 dbm represents weakest signal.
Before performing a standard gsm test, you must acquire fabric samples using a gsm cutter. Drive test free download as powerpoint presentation. Collection of the input parameters like requirement of capacity, coverage and. Study and implementation of drive test for development of gsm. Depending on the selected hardware options, it can make. Rxlevel represents received signal strength of gsm network. Drive test merupakan salah satu bagian pekerjaan dalam optimasi jaringan radio. Telecom 2g,3g,4g,rf lte drive test,optimization,ipv6 study.
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. Tujuan drive test adalah mengumpulkan informasi jaringan secara real di lapangan. Complete gsm drive test training course with certification comp4gltedrivetest this video explains the concept of gsm. Set of frequencies the mobile is allowed to hop over. Post design drive test for site verification optimization. Keywords drive test, rf parameter, tems investigation.
Lte drive test data can be analyzed during the drive test process as it is displayed on the screen. Drive test is performed to verify if they meet the coverage objectives. 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. 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 test is conducted for checking coverage criteria of a cell site with rf drive test tool. Rf engineer or rf drive test engineers are commonly asked below written question. But it depends on your job duties for which postion you are hiring. Step by step drive test and post processing using tems and. Rf planning and drive test a cell can be defined as the area covered by one sector. Drive test engineer,tems,rf engineer,lte,2g resume in dl. Drive and walk test equipment for rent, lease or sale. Gsm3ghspa drive test and optimization for disaster prone hilly terrain of badrinath and. 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. Drive testing is principally applied in both the planning and optimization. In this paper, according to kpi reports and previous drive test. 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 route and site data for the sites to be driven is taken from customer. Agilent e7475a gsm based drivetest system configuration guide the agilent technologies e7475a gsm based drivetest system is a scalable, integrated, air interface measurement system, used to obtain comprehensive rf measurement and call performance data as it relates to a users location.
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 teletopix. My paper is based on performance analysis of gsm network reliance gsm in aligarh city, up, india. A practical network will have cells of no geometric shapes. It also mentions lte drive test tools including lte test scanner. The drive test is a test performed in cellular networks regardless of technology gsm, cdma, umts, lte, etc. Gsm parameters radio parameters rxlev rxlevel represents. Drive testing provides an accurate realworld capture of the rf environment under a particular set of network and environmental conditions. And its very important things for mobile service provider. Rf optimisation remains one of the key challenges in any network. Drive test plan, procedure and output for gsm drive test is simply test of coverage for radiating bts. Two approaches are used to evaluate the network performance, namely. 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.
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. 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. In this mode drive testing data is used to diagnose the root cause. Amin babiker anabi mustafa 3 1,3 department of communication, alneelain university, khartoum, sudan. Gsm provides the weight per unit area or the weight per unit length or weight per running yard in lament terms. Main elements involved in radio network are mobile station and base transceiver station. Driv test is conducted for checking coverage criteria of a cell site with rf drive test tool. Rf planning data is created based onindoor outdoor coverage criteria in the circlewhere mobile services are to be provided. Rf engineer interview questions drive test engineer. E6474a drive test wireless network optimization platform applications rf planningverificationmodel tuning. This video explains the concept of gsm drive testing with kpi parameters for 2g network performance optimization.
A compilation of the best telecom articles on internet. The wireless modem or system may include any wireless standards such as gsm, wcdma, hspa, umts, lte, wimax, wlan etc. This page on 4g lte drive test describes lte measurements performed during drive test. These measurements are performed through interference drive test and rf survey. 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 tems network testing portfolio allows you to optimize mobile network quality and application performance by measuring end user experience. Perform cell site survey on gsm, wcdma, lte radio access network using rantcell app. The data collected by drive test tool as log files is analyzed to evaluate various rf parameters of the network. Drive testing is principally applied in dropped calls both the planning. 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. Pdf study and implementation of drive test for development of. In telecomhall commnunity open source doesnt just mean access to the source code. The drive tests are useful for various reasons as mentioned below.
Analyzing customer complaint of certain operator in their home or office area finding problem in. The object is to collect field data to optimize and adjust the prediction model for preliminary simulations. This course of lte drive test covers the process of drive test, parameters of dt and analysis of log files etc. Introduction in order to study the nature of radiation pattern and strength of signal for a particular. Capture rf parameters like rssi, rscp, rsrq and rsrp. Pdf rf survey and drive test tushar saxena academia. Pdf driv test is conducted for checking coverage criteria of a cell site with rf drive test tool. Study and implementation of drive test for development of gsm network. The gsm round cutter is a tool used in extracting precision. Rf survey is carried out to find out best suitableposition for bts cell site and tower giving bestdesired result for rf. Step by step drive test and post processing using tems and mapinfo abdul july 02, 2016 1 comments several functions of drive test.
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