With the advent of Bluetooth 5.0 and the recently released Bluetooth Mesh standard, Bluetooth Low Energy (BLE) technology is the main communication standard for most applications of the Internet of Things. First, we need to understand what is the advantage of BLE Bluetooth technology over other communication technologies?
Reducing power consumption is equivalent to extending battery life
In many IoT applications, the transmission rate is not a big problem. Because the data transmission volume of wearable products such as fitness bracelets, smart watches, etc. are relatively small, the current Bluetooth standard speed is sufficient to transmit data to the user's smart phone or other devices efficiently and quickly, but in the IoT wearable device. The increase in speed does not significantly improve the user experience.
In fact, power consumption is the most difficult obstacle to wearable devices. For example, the battery life of the sports smart bracelet is the key to the entire product. Since the current rate of data transmission is doubled, the effective communication time can be reduced by up to 45%. Therefore, it can also effectively reduce the power consumption of the product (up to half of the power consumption), so reducing the power consumption by half is equivalent to doubling the life time of the product. Under the current development trend, this is very important.
Bluetooth extended battery life is the key
Another advantage of low-power (BLE) Bluetooth devices in terms of transmission rate is that their software or firmware upgrades are faster. When upgrading firmware or software, Bluetooth devices have more data transfer than daily use, so the speed is increased. Can effectively reduce power consumption. The 4x transmission distance of Bluetooth 5 upgrade is very suitable for household appliances, so Bluetooth technology is now more than one of the necessary technologies for wearable devices, and is also widely used in smart home, smart medical and other fields. But as the world of the Internet of Things continues to change, it is difficult to predict which technologies will be widely adopted to replace other technologies.
So many products in the market are now equipped with Bluetooth 5 communication technology, in order to show that their products can keep up with the trend and not fall behind, for example: Shengrun Technology began to develop Bluetooth module based on Bluetooth 5, and Samsung's latest S Both the series and the note series are equipped with Bluetooth 5. The SIG issued a statement saying that the communication distance of the new Bluetooth 5 standard is four times the original distance, which means that in addition to the advantages of the existing BLE, the Bluetooth technology can also control lights, curtains, air conditioners, etc. at any position in the home. Smart home appliances.
Application field of Bluetooth in the Internet of Things industry
From simple devices such as remote controls, speakers, keyboard and mouse kits to wearable products, especially Bluetooth smart headsets, if the user is too far away from the connected device, communication with the device will be broken. Improvements in data broadcast performance mean that connections are less subject to interference. Another major improvement in the new Bluetooth 5 standard is that its data broadcast performance has increased eight times.
Bluetooth Mesh networking
Bluetooth 5 has recently fully supported Mesh mesh network. This function will be fully applied to building automation and wireless sensor networks to enable tens of thousands of devices to be transmitted in a secure, stable and reliable environment. Therefore, BLE Bluetooth technology will become More advantageous communication technology.
So, will BLE Bluetooth technology eliminate other communication technologies?
The current IoT application is still in its infancy, and it is difficult to conclude that the standard will be popular, not to mention the Internet of Things situation in the next few years. But from the huge innovations and upgrades in power consumption, speed, distance, cost and data broadcasting performance, BLE Bluetooth technology is still gaining momentum.
Editor in charge: Zhu Xi
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