New-Tech Europe Magazine | February 2018

Figure 1: Simplified radar system

Figure 2: Street Lighting

Some of the possible application areas without the need of completeness replacement traditional motion sensors drone landing and collision avoidance

boards for your radar sensing application development. Sense2GoL - Infineon - for simple movement and speed detection - CW radar working method - BGT24LTR11 low power RF frontend - Onboard debug interface - Integrated antennas Distance2Go - Infineon - more complex - motion, speed, distance, direction detection - FMCW radar working method - BGT24MTR11 24GHz RF MMIC - XMC4200ARM ® - Cortex ® - M4 - 32- bit MCU - Onboard debug interface - Integrated antennas

outdoor smart lighting automatic door opening smart home automation speed meters traffic monitoring robotics IoT nodes level metering security / surveillance medical applications to show other possibilities

Figure 3: Sense2GoL board

Figure 4: Distance2Go board

Start with radar sensing Arrow and Infineon offer you two types of 24 GHz radar development

24GHz radar Passive Infrared Ultrasonic

Camera ToF

Laser

Distance

0.2-200m >250km/hr

0-25m

0-10m

0-20m

0-300m

Speed Range

10km/hr

<100km/hr

>300km/hr

>300km/hr

Yes

No

Yes

Yes

Yes

Stationary Target Detection

Environmental Influences

heavy rain and heavy snow only can be concealed e.g. plastic cover

temperature, smoke, dirt

wind, rain, noise, temperature requires opening enclosure

rain, snow, light sources requires opening enclosure

rain, dust, fog

Design

requires opening enclosure

requires opening enclosure

Computing Complexity Power Consumption

medium / low

low

low

high

medium

medium / low

low

low

high

high

BOM Cost

medium / low

low

low

very high

high

Vince Zsolt Szabó – RF Application Engineer

Table 1: Radar sensor comparison to other sensor technologies. Source: Infineon

New-Tech Magazine Europe l 59