Chinese company Xiaomi officially unveiled along with the new flagship smartphone Xiaomi MIX 4 and new technology Xiaomi UWB. In today's article, we will describe in detail how this innovative technology works.
Xiaomi UWB technology
New technology Xiaomi UWB offers several advantages over the standard known wireless connections in the form of Wi-Fi or Bluetooth technology. In this context, Xiaomi brings us further details on the operation of this new technology via social networks.
According to the manufacturer, the UWB can accurately measure the 3D position of the device in space. When used with Mi TV Master 77 ″ OLED or device Mi One Finger Connect it is enough for the smartphone to be pointed at the TV and the corresponding interface will be displayed automatically with literally one click.
Technológia Ultra Wideband differs from other wireless technologies mainly in its frequency range. It is wider, between 6 - 8,5 GHz and the radiated signal also has a very short pulse at the level of only 2 nanoseconds.
Three advantages of wireless technology from Xiaomi
The first advantage is the high degree of recognition. The receiver can recognize UWB pulses according to the noise of the surrounding signals. This allows UWB technology to use lower transmission power, usually 30 dBm lower than Wi-Fi technology. The UWB signal can be hidden "in noise" generated by other communication technologies and still cause almost no interference.
That's why the one-click UWB connection function in the case of a smartphone Xiaomi MIX 4 does not affect the standard operation of radio frequencies other than Wi-Fi, Bluetooth, or 5G connections.
The second big advantage is that thanks to the extremely short pulse, the MIX 4 can quickly determine the distance of smart home smart devices. Within a radius of 10 meters, the error rate is only at the level of 20 centimeters, so it can filter the surrounding devices and activate, for example, only the one closest to the user.
In addition, smart devices receive 3D coordinates thanks to UWB technology, allowing the three antennas of the MIX 4 model to effectively increase the accuracy of the connection. And just the increased accuracy is key to the accurate and correct selection of the device that the user points to via his smartphone.
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