Advanced radio-wave ranging SoC for position and movement recognition

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SoC developer Socionext America has introduced its SC1240 Series radio-wave ranging sensors, which use the 60GHz band with a built-in signal processing circuit to detect the position and movement of a person, with maximum accuracy. Sample shipments are scheduled for Q2 2022 and mass production in Q1 2023.

The SC1240 series is a radio-wave ranging sensor that complies with the global broadband 60GHz radio equipment standard. In addition to detecting the position and movements of a person, the sensor’s high-precision sensing and built-in signal processing circuits utilize a 6.8GHz (57.1 ~ 63.9GHz) wide band. This, says the company, enables the detection of minor movements as positional information, making the device ideal for advanced applications such as tracking human movements and operation by gestures.

A broadband 60GHz radio-wave range-finding sensor with a built-in range-finding and angle-calculating signal processing circuit is claimed to be an industry first. It is based on the company’s knowledge accumulated through years of developing millimeter-wave radio communication LSIs and 24GHz radio-wave range-finding sensors.

The highly integrated SC1240 series uses 3D position information without the need for high frequency or advanced signal processing technology. It includes multiple antennas, wireless circuitry, A/D converters, FIFO memory, SPI interface, a high-performance sequencer that flexibly changes the duty cycle and controls power consumption, and a signal processing circuit for high-performance distance measurement and angle calculation. It also provides an autonomous activation function. These features allow users to obtain the height and positional data on the X, Y and Z planes for detection of multiple people, gesture without contact and other high-precision sensing.

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Lawrence has been covering engineering subjects – with a focus on motorsport technology – since 2007 and has edited and contributed to a variety of international titles. Currently, he is responsible for content across UKI Media & Events' portfolio of websites while also writing for the company's print titles.

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