Virtual Antenna™ for easy design of IoT devices with embedded antennas: Page 3 of 8

September 20, 2019 //By J. Anguera, A. Andújar, C. Puente, Fractus Antennas, Barcelona, Spain
Anechoic chamber for testing Virtual Antenna™
Virtual Antenna™ technology enables one antenna component to cover all IoT frequency bands. This article describes the main features of Virtual Antenna™ technology and shows a simple design flow comprising only three simple steps.

An antenna booster can be assembled with a conventional pick-and-place machine, making the manufacture and design of the new generation of IoT wireless devices simpler, faster and more cost effective (Figure 2).

Figure 2: Antenna booster RUN mXTENDTM embedded in the IoT platform mangOHTM yellow. The antenna booster being an SMD component means it can be easily assembled with a conventional pick-and-place machine.

Easy design of IoT devices with embedded antennas in three steps

Virtual Antenna™ enables the integration of embedded antennas in IoT devices in three simple steps. Following these basic steps, wireless engineers designing IoT devices, can easily embed an antenna.

#Step 1: The first step is to place the antenna booster in the PCB of the device. As a recommended rule, the preferred positions are the corners of the ground plane of the device (Figure 3). In this situation, bandwidth and efficiency can be maximized which is especially attractive for multiband applications such as for example devices operating at 698 MHz - 960 MHz and 1710 - 2690 MHz for instance. However, in other situations, where bandwidth is not a constraint, such as in single band applications, for example ISM (BW∼3%), GNSS (BW∼3%), Bluetooth (BW∼3%), others positions different than the corners can be used as well.

Figure 3 Illustrations showing the preferred (marked with a green tick) and non-preferred locations (marked with a red X) for an antenna booster.

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