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Samsung is already working on 6G mobile communications

10.06.2019

Despite the fact that only in some countries the deployment of 5G networks is just beginning, and the number of compatible mobile devices on the market is not very large, this does not prevent Samsung from looking to the future and already developing the next generation of mobile communications - 6G.

Samsung has officially confirmed that it has expanded its existing telecommunications research team to the center level after the actual launch of the 5G network. This team is part of the newly established Advanced Communications Research Center within Samsung Research, which serves as the company's main research and development organization in Seoul.

In addition to 6G communications research, Samsung Research is also engaged in the development of artificial intelligence and robotics. It will take many years to launch the next generation mobile network. In fact, it will likely take a few years before 5G becomes mainstream in most countries.

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24 GHz radar for motion and distance control 20.08.2017

Infineon has launched the BGT24LTR11N16 RF radar IC for applications that have traditionally used IR sensors. Radar allows you to measure the distance to an object and its speed based on the Doppler effect.

The operating range of the microcircuit (24,0 ... 24,25 GHz) is approved for use in the Russian Federation for motion detection and radio signaling devices (Appendix N 3 to the decision of the State Committee for Radio Frequencies of August 19, 2009 N 09-04-07).

The microcircuit is an FMCW or FSK-type radar, generates a signal with an output power of 6 dBm and contains a receiving path with a separate antenna input. At the output of the mixer, I/Q IF quadrature signals are formed, which must be fed to the ADC of an external microcontroller.

The microcircuit is built using SiGe 0,18 micron technology with a cutoff frequency of 200 GHz. The BGT24LTR11N16 operates from a single 3,3V supply and draws approximately 45mA when the transmitter is on. The time for the VCO to enter the operating mode does not exceed 100 ns.

Applications for BGT24LTR11N16:

Building automation and smart home
Street lighting control
Drones and robots
Security Systems
industrial automation
Home appliances

The 24 GHz band ensures high object detection accuracy: up to 50 m for pedestrians and up to 150 m for vehicles. In addition, radar detection methods are much more sensitive than passive infrared (IR) sensors and are capable of, for example, detecting the breath of the human body.

It can be assumed that radars will eventually replace PIR sensors in many applications. The 24 GHz band is suitable for operation in a variety of atmospheric conditions, including significant temperature changes, high levels of humidity and dusty air. This allows the use of radars even in the most adverse conditions of a modern city.

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