Drive testing is a method of measuring and assessing the coverage, capacity and. This course is designed for engineers optimization or quality analysis teams for network operators, consultancies, and software tool manufacturers who wish to improve their skills with drivetest tools. Telecom engineers and technical staff involved in development, testing, and deployment requiring comprehensive details of rf drive testing to be its first step toward being an excellent rf optimizer. Drive test plan, procedure and output for gsm teletopix. The third mobile is usually used for testing the coverage. They can also be used during the drive test verification to check that the positioning information in the drive test file is correct. These maps should be used during the actual drive for navigation of the test vehicle. 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. Coordinate with data processing engineers and other members of the project team daily, to ensure data integrity, proper data transfer and management of routes. The vehicles then drive for potentially thousands of miles in a given city and its surrounding area, making nonstop calls and data connections measuring which network 3g, 4g lte etc. Aug 08, 2018 details of dt, how to drive test, how to pass drived test, basic of drive test. Gsm, umts and lte networks performance can be verified by performing data collection and data analysis through the drive test. Pdf rf survey and drive test tushar saxena academia. Nemo outdoor is a laptopbased drive test tool for 2g, 3g, 4g, and 5g nr mobile network testing which supports over 300 devices and scanning receivers, from various vendors, all the latest network technologies and latest smartphones.
Benchmark testing usually involves more devices than ue testing. Lte drive test parameters telecom knowledge and experience. Nov 11, 2015 full tutorial about gsm drive test telecom engineers 2015 dont forget to subscribe me. Lte drive testing powerpoint free download as powerpoint presentation. Amin babiker anabi mustafa 3 1,3 department of communication, alneelain university, khartoum, sudan. The main benefit of drive testing is that it measures the actual network coverage and performance that a user on the actual drive route would experience. Drive test equipment manufacturers delhi, drive test. Tutorials for telecom related technologies including ngn, lte, imode, gprs, gsm, wap, wml, wifi, wimax, telecom billing etc. Software testing market 20202026 growth statistics report. Data acquired from drive test performance of the network in the field.
Apply to software test engineer, quality assurance analyst, tester and more. Rsrp is the most basic of the ue physical layer measurements and is the linear average power in watts of the downlink reference signals rs across the channel bandwidth for the resource elements that carry cell specific reference signals. Drive testing is done by a fleet of cars and small trucks that have multiple network providers on board. Work with project managersupervisor on open issues regarding markets and data collection progress. Drive test is conducted for checking coverage criteria of a cell site with rf drive test tool. Telecom sector is witnessing colossal transformation with the advent of disruptive technologies. Growing demands for network 4g5g, data, cloud, iot and changing it architectures through introduction of apis, microservices and digital platforms are disrupting the business model and will also impact on the ability of the business to launch product and.
Our rf division specializes in the design, optimization and testing of todays wireless communication system. Software quality and testing for telecommunications. Telecom engineers and technical staff involved in development, testing, and deployment requiring comprehensive details of rf drive testing. Its now a great modern forum software for telecomhall community. Basics of rf drive testtesting rf drive testtesting is the procedure to evaluate performance of wireless modemsystem while drivingor in motion. Equipment used for lte drive test 4g lte drive test. Issues such as interference and drop calls can be detected through drive. Amity institute of telecom engineering and management. These measurements the dataset collected during drive testing field can. Remember that rssi is only measured at those symbol times during which rs res are transmitted we do not have to take into the count dtx so, when there is no traffic, and assuming only the reference symbols are transmitted there are 2 of them within the same symbol of a resource block from a single tx antenna then the rssi is generated by only the 2 reference symbols so the result. Sep 21, 2016 lte is still a developing technology, and it is important to note that as more field trials are carried out and results validated against the deployed lte network performance goals, the design targets outlined in this section are subject to change. Assist as needed with troubleshooting equipment over the phone. Perform data collection using the latest data collection systems.
Testing telecom domain with sample ossbss test cases. Universal mobile telecommunication system long term evolution umts. Pdf driv test is conducted for checking coverage criteria of a cell site with rf drive test tool. Drive testing is a method of measuring and assessing the. International journal of engineering trends and technology ijett volume 4 issue 10 oct 20. With our best in class drive testing engineers, and innovative analysis tools, atec wireless provides the most rapid and appropriate solutions for all telecom companies. 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. A series of example drive test log files are used for demonstrations. Cluster drive test of long term evolution using xcal. The wireless modem or system may include any wireless standards such as gsm, wcdma, hspa, umts, lte, wimax, wlan etc. Pdf study and implementation of drive test for development of. Services conventot telecom provides various system integration and consultancy services to leading mobile operators and equipment vendors.
Telecom testing is defined as the testing of telecommunication software. These instruments find tremendous usage in the telecom industry. 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. With its proven expertise of over 30 years, gl has a comprehensive suite of telecom testing solutions to verify and ensure quality and reliability of variety of telecom. Cognitel is indias premier learning services provider for the ict sector.
Details of dt, how to drive test, how to pass drived test, basic of drive test. In the cell, proper coverage is very important to offer quality services. Each drive route should be marked on a detailed road map showing the exact route to be driven. Besides blog posts, you now can use as discussion forum, longform chat. The data collected by drive test tool as log files. Issues such as interference and drop calls can be detected through drive test and network kpis can then be generated. Drive testing provides an accurate realworld capture of the rf environment under a particular set of network and environmental. Cognitels services are being used by an impressive list companies that includes the top 7 telecom service providers, top 5 telecom equipment manufacturers, top 5 telecom infrastructure providers and leading it organizations across the globe. Remember that rssi is only measured at those symbol times during which rs res are transmitted we do not have to take into the count dtx so, when there is no traffic, and assuming only the reference symbols are transmitted there are 2 of them within the same symbol of a resource block from a single tx antenna then the rssi is generated by only the 2 reference symbols so the result becomes. The wireless drivetest solution includes support for call control of variety of mobile device networks from 2g to 4g lte and beyond, including the capability of sendingrecording voice, testing video conferencing, and testing a variety of data over the mobile devices, while analyzing their performance. In order to test such wide range of fields, one must have knowledge of the telecom domain and different kind of tools to carry out effective and indepth testing. We help our partners use the latest technologies in order to achieve the. Jadon2 amity institute of telecom engineering and management, amity university. Mar 14, 2017 benchmark testing usually involves more devices than ue testing.
We offer a full range of solutions for mobile network implementation, engineering and rollout from specialized project resources to fully outsourced network access services. It makes one continuous call, and if this call drops it will attempt. We are bringing forth comprehensive range of drive test instruments. Drive testing provides an accurate realworld capture of the rf environment under a particular set of network and environmental conditions. Atec wireless has performed thousands of drive tests and benchmark studies. Knowledge of absolute rsrp provides the ue with essential information about the strength of cells from which path loss can be calculated. Telecom 2g,3g,4g,rf lte drive test,optimization,ipv6 study. Rf survey is carried out to find out best suitableposition for bts cell site and tower giving bestdesired result for rf. Learn telecom testing protocol testing with best telecom testing tools. Test, identify and troubleshoot problems in the field with cellular networks as well as with data collection equipment, as necessary, in order to meet applicable rf engineering standards set forth as per quality assurance procedures.
This is where an actual test is done in a vehicle while on a call in order to test the network. Telecom terminology gsm rxlevel rxqual bcch tch umts3g rscp ecio. Index terms drive test, network quality, kpi, gsm, network. Dec 30, 2016 remember that rssi is only measured at those symbol times during which rs res are transmitted we do not have to take into the count dtx so, when there is no traffic, and assuming only the reference symbols are transmitted there are 2 of them within the same symbol of a resource block from a single tx antenna then the rssi is generated by only the 2 reference symbols so the result becomes. Our highlytrained rf engineering services team uses stateoftheart test and optimization tools to enable our clients in achieving the most from their wireless spectrum. This course is designed for engineers optimization or quality analysis teams for network operators, consultancies, and software tool manufacturers who wish to improve their skills with drive test tools. Introduction of innovative approaches in software development, such as agile testing and agile methodologies is projected to drive the market demand.
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. With its proven expertise of over 30 years, gl has a comprehensive suite of telecom testing solutions to verify and ensure quality and reliability of variety of telecom networks including wireless, and highspeed fiber optic lines. Apr 29, 2020 telecom testing is defined as the testing of telecommunication software. Rf planning data is created based onindoor outdoor coverage criteria in the circlewhere mobile services are to be provided.
Software testing market size exceeded usd 40 billion in 2019 and is expected to grow at a cagr of over 6% from 2020 to 2026. Drive testing evaluates and measures the network after implementation. The course aim to aware engineering candidates about rf survey, rf drive test, optimization, planning for gsmcdma and wcdma networks and provide them depth practical knowledge to carried out rf survey and rf drive test. Drive testing is a method of measuring and assessing the coverage, capacity and quality of. When the drive testing starts, two mobiles are used to generate calls with a gap of few seconds usually 1520 s. There are many drive test tools in market which is used by us. The data collected by the drive test tool is analyzed to evaluate various rf parameters of the network. Drive testing of 2g, 3g, 4g, and 5g nr mobile networks. Drive route and site data for the sites to be driven is taken from customer drive test log file of the specified drive route site is saved and the same will be handed over to customer at the end of the day. Software quality and testing for telecommunications maveric. Xcal is a mobile software installed in a lte compatible handset and is registerd.
Jan 11, 20 thanks for telecom blog more information our sites rf services. Jan 30, 2016 drive testing is a method of measuring and assessing the coverage, capacity and quality of service qos of a mobile radio network. The tems network testing portfolio allows you to optimize mobile network quality and application performance by measuring end user experience. Lte is still a developing technology, and it is important to note that as more field trials are carried out and results validated against the deployed lte network performance goals, the design targets outlined in this section are subject to change. Drive route and site data for the sites to be driven is taken from customer. Drive testing is a method of measuring and assessing the coverage, capacity and quality of service qos of a mobile radio network. The data collected by drive test tool as log files is analyzed to evaluate various rf parameters of the network. Drive test technicianassociate engineer job from telecomcareers. These are widely used to measure the capacity, coverage and quality of service of the mobile network. Xcal is a mobile software installed in a lte compatible handset and is registerd via mobile communication vendor. Drive testing wireless voice, video, data quality testing. International journal of engineering trends and technology. Since the shift of the telecom sector to digital and computer networks, telecommunication industry uses software indispensable.
The drive test is used for checking coverage criteria of a cell site with rf drive test tool. A series of example drivetest log files are used for demonstrations. What are modes, states and transitions in gsm, umts and lte. They can also be used during the drive test verification to check that. Also involves using navigation tools, and mapping software. Virtual drive testing replicate real world radio environments when coupled with powerful test automation capabilities, virtual drive testing offers an incomparable approach for an exhausting and realistic evaluation of network performances, considerably reducing testing time and costs and accelerating actual infrastructure deployment.
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