Drive test, worst cell, site survey,antennarigging. Before performing a standard gsm test, you must acquire fabric samples using a gsm cutter. Gsm parameters radio parameters rxlev rxlevel represents. Driv test is conducted for checking coverage criteria of a cell site with rf drive test tool.
Pdf study and implementation of drive test for development of. Get wireless walk and drive test equipment that is designed to provide performancecritical solutions. Rf survey is carried out to find out best suitableposition for bts cell site and tower giving bestdesired result for rf. Rf engineer or rf drive test engineers are commonly asked below written question. 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. Collection of the input parameters like requirement of capacity, coverage and. Post design drive test for site verification optimization. Maximum of 63 frequencies can be defined in the ma list. The wireless modem or system may include any wireless standards such as gsm, wcdma, hspa, umts, lte, wimax, wlan etc.
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. Drive testing is principally applied in both the planning and optimization. Drive test is performed to verify if they meet the coverage objectives. 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. Set of frequencies the mobile is allowed to hop over.
Capture rf parameters like rssi, rscp, rsrq and rsrp. Rf optimisation remains one of the key challenges in any network. Drive test plan, procedure and output for gsm teletopix. 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. Step by step drive test and post processing using tems and. The drive tests are useful for various reasons as mentioned below. In an faq style, it explains briefly the background of lte and leads to the important measurements that have to. 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 compilation of the best telecom articles on internet.
This video explains the concept of gsm drive testing with kpi parameters for 2g network performance optimization. Pdf rf survey and drive test tushar saxena academia. Drive test is conducted for checking coverage criteria of a cell site with rf drive test tool. Lte drive test data can be analyzed during the drive test process as it is displayed on the screen. Complete gsm drive test training course with certification comp4gltedrivetest this video explains the concept of gsm. Drive test plan, procedure and output for gsm drive test is simply test of coverage for radiating bts. The gsm round cutter is a tool used in extracting precision. Rxlevel represents received signal strength of gsm network. The object is to collect field data to optimize and adjust the prediction model for preliminary simulations. This page on 4g lte drive test describes lte measurements performed during drive test. Introduction in order to study the nature of radiation pattern and strength of signal for a particular. Depending on the selected hardware options, it can make. Pdf driv test is conducted for checking coverage criteria of a cell site with rf drive test tool. Telecom 2g,3g,4g,rf lte drive test,optimization,ipv6 study.
Step by step drive test and post processing using tems and mapinfo abdul july 02, 2016 1 comments several functions of drive test. The tems network testing portfolio allows you to optimize mobile network quality and application performance by measuring end user experience. Two approaches are used to evaluate the network performance, namely. 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. 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. Here, value of rxlevel 43 dbm represents strongest signal and 108 dbm represents weakest signal. Study and implementation of drive test for development of gsm network.
Drive testing is a method of measuring and assessing the coverage, capacity and quality of service qos of a mobile radio network. Main elements involved in radio network are mobile station and base transceiver station. Perform cell site survey on gsm, wcdma, lte radio access network using rantcell app. Gsm3ghspa drive test and optimization for disaster prone hilly terrain of badrinath and. But it depends on your job duties for which postion you are hiring.
Drive test merupakan salah satu bagian pekerjaan dalam optimasi jaringan radio. E6474a drive test wireless network optimization platform applications rf planningverificationmodel tuning. 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. 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. My paper is based on performance analysis of gsm network reliance gsm in aligarh city, up, india. Gsm provides the weight per unit area or the weight per unit length or weight per running yard in lament terms. This course of lte drive test covers the process of drive test, parameters of dt and analysis of log files etc. Drive and walk test equipment for rent, lease or sale. Rf drive testtesting is the procedure to evaluate performance of wireless modemsystem while drivingor in motion.
The data collected by drive test tool as log files is analyzed to evaluate various rf parameters of the network. And its very important things for mobile service provider. 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. Drive testing is principally applied in dropped calls both the planning. Keywords drive test, rf parameter, tems investigation. In this paper, according to kpi reports and previous drive test. Walk test, ie, collect data by walking areas of interest. Drive test engineer,tems,rf engineer,lte,2g resume in dl. Drive test is performed mostly for characterization of propagation and fading effects in the channel. Analyzing customer complaint of certain operator in their home or office area finding problem in. Rf planning and drive test a cell can be defined as the area covered by one sector.
In this mode drive testing data is used to diagnose the root cause. Rf planning data is created based onindoor outdoor coverage criteria in the circlewhere mobile services are to be provided. It also mentions lte drive test tools including lte test scanner. Rf engineer interview questions drive test engineer. The drive test is a test performed in cellular networks regardless of technology gsm, cdma, umts, lte, etc.1199 1144 984 330 720 619 722 914 670 464 629 1319 876 1201 1577 1574 1566 567 1351 1490 427 87 684 227 1022 206 969 674 641 1614 137 450 216 817 1228 1499 117 783 1338 660