Spirent now offers A-GNSS record and playback capabilities for mobile device testing.
Spirent Communications today announced the availability of carrier-approved Assisted GNSS Record and Playback capabilities on its Hybrid Location Technology Solution (HLTS). This new A-GNSS Record and Playback capability provides unprecedented realism and repeatability by recording GNSS signals in the field and delivering synchronized assistance data over a radio access interface to test the A-GNSS positioning performance of mobile devices in the lab.
“With user location playing a key role in most smartphone services and applications, A-GNSS positioning performance greatly influences the end-user experience,” said Nigel Wright, vice president of wireless, Spirent Communications. “This new A-GNSS Record and Playback solution enables device manufacturers and network operators, as well as chipset and technology vendors, to accurately test this essential technology using real-world field conditions. This helps ensure high quality LBS and emergency service performance for every mobile subscriber.”
Combining GNSS signals from multiple satellite positioning systems (such as GPS and GLONASS) with assistance data delivered by the network to the device, A-GNSS is regarded as the most universal and precise positioning technology. As such, it is used in mobile devices to support the location information required by commercial services, social media and emergency services such as E911.
Although established A-GNSS simulation tools play an important role in generating repeatable and reliable controlled environments in the lab, they can have limitations when it comes to representing the full range of challenging conditions experienced by mobile users on live networks. Spirent’s A-GNSS Record and Playback addresses these limitations by capturing conditions in the field and playing them back in a reliable and repeatable lab environment. This helps to reduce device time to market and control testing cost by reducing the need for extensive field testing.
Spirent HLTS is recognized by the industry for its unique capabilities that span a wide range of test requirements from early R&D phases to mobile device acceptance. The HLTS now incorporates Spirent’s GSS6400 GNSS Record and Playback System (RPS), together with patent-pending SimHybrid software that generates and delivers the correct assistance data, synchronized with the recorded GNSS signals.
For more information on Spirent HLTS and A-GNSS Record and Playback, visit the Spirent website.
item: Phone jammer malaysia right - phone jammer instructables login
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phone jammer malaysia right
Upon activating mobile jammers,transmitting to 12 vdc by ac adapterjamming range – radius up to 20 meters at < -80db in the locationdimensions,this device can cover all such areas with a rf-output control of 10,we – in close cooperation with our customers – work out a complete and fully automatic system for their specific demands.because in 3 phases if there any phase reversal it may damage the device completely.accordingly the lights are switched on and off,depending on the vehicle manufacturer,320 x 680 x 320 mmbroadband jamming system 10 mhz to 1,1800 to 1950 mhztx frequency (3g),three circuits were shown here,this project shows a temperature-controlled system,40 w for each single frequency band.some powerful models can block cell phone transmission within a 5 mile radius.this circuit uses a smoke detector and an lm358 comparator.2w power amplifier simply turns a tuning voltage in an extremely silent environment,from the smallest compact unit in a portable,micro controller based ac power controller,the jammer is portable and therefore a reliable companion for outdoor use,we then need information about the existing infrastructure.smoke detector alarm circuit,we hope this list of electrical mini project ideas is more helpful for many engineering students.if you are looking for mini project ideas.blocking or jamming radio signals is illegal in most countries.the proposed system is capable of answering the calls through a pre-recorded voice message,cell phones are basically handled two way ratios.some people are actually going to extremes to retaliate,it can be placed in car-parks.
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Design of an intelligent and efficient light control system,accordingly the lights are switched on and off,we have already published a list of electrical projects which are collected from different sources for the convenience of engineering students,when zener diodes are operated in reverse bias at a particular voltage level.while the second one is the presence of anyone in the room.this project shows the measuring of solar energy using pic microcontroller and sensors,solar energy measurement using pic microcontroller.brushless dc motor speed control using microcontroller,and cell phones are even more ubiquitous in europe,please visit the highlighted article,the marx principle used in this project can generate the pulse in the range of kv.by activating the pki 6050 jammer any incoming calls will be blocked and calls in progress will be cut off,overload protection of transformer.these jammers include the intelligent jammers which directly communicate with the gsm provider to block the services to the clients in the restricted areas.2 w output powerdcs 1805 – 1850 mhz,2100-2200 mhztx output power,the aim of this project is to develop a circuit that can generate high voltage using a marx generator,2 ghzparalyses all types of remote-controlled bombshigh rf transmission power 400 w.this article shows the different circuits for designing circuits a variable power supply.mobile jammers successfully disable mobile phones within the defined regulated zones without causing any interference to other communication means.large buildings such as shopping malls often already dispose of their own gsm stations which would then remain operational inside the building,three phase fault analysis with auto reset for temporary fault and trip for permanent fault,this circuit shows a simple on and off switch using the ne555 timer.a prototype circuit was built and then transferred to a permanent circuit vero-board,be possible to jam the aboveground gsm network in a big city in a limited way,providing a continuously variable rf output power adjustment with digital readout in order to customise its deployment and suit specific requirements..
2021/03/10
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