What are the development trends of the top ten wireless technologies?
1. WiFi
Although WiFi has been around for a long time, it is still one of the main high-performance network technologies in homes and offices from now until 2024. In addition to simple communications, WiFi will also be given new responsibilities, such as for radar systems or as an integral part of two-factor authentication systems.
2. Second, 5G cellular network
5G cellular networks will be deployed in 2019 and 2020, and it will take 5 to 8 years to complete the deployment. Because this technology can provide higher cost-effective high-speed data networks for large places such as ports, airports and factories, it can sometimes be used as a supplement to WiFi. 5G is still immature, and most network operators will initially focus on selling high-speed broadband, but 5G standards are developing, and 5G applications in the Internet of Things and other fields will be improved through network iterations.
3. Wireless Internet of Vehicles (V2X) system
Traditional cars and self-driving cars need to communicate with the road infrastructure separately, which will be achieved through a wireless car networking system. In addition to exchanging information and status data, wireless Internet of Vehicles can also provide many other services such as security, navigation assistance, in-vehicle infotainment and more.
Wireless car networking system will become the "standard" of all new cars in the future. But before then, only some vehicles are expected to adopt these agreements. Those wireless car networking systems that use cellular networks must use 5G networks to realize their full potential.
4. Fourth, long-distance wireless charging
The first-generation wireless charging system failed to provide the revolutionary user experience expected by manufacturers. In terms of user experience, placing the device at a specific charging point is only slightly better than charging via a charging cable. Some new technologies can charge devices within a distance of 1 meter or devices placed on a desktop or table.
Remote wireless charging will eventually completely replace the charging lines of desktop devices such as laptops, monitors, and even kitchen appliances, making new work and living space designs possible.
5. V. Low-power wide area (LPWA) network
Low-power wide-area network is an energy-saving low-bandwidth network suitable for IoT applications and can support devices that require long battery life. The network generally covers large areas such as cities and even entire countries. Current LPWA technologies include Narrowband Internet of Things (NB-IoT), Long Term Machine Evolution (LTE-M), LoRa and Sigfox. The modules of these technologies are relatively inexpensive, so IoT manufacturers can use them to enable small, low-cost battery-powered devices such as sensors and trackers.
6. Six, wireless sensor technology
Wireless signals are used in sensing technology due to their absorption and reflection characteristics. Wireless sensor technology can be used in robot and drone indoor radar systems. When multiple people are talking in the same room, virtual assistants can also use radar tracking technology to improve their recognition performance.
Sensor data is the“fuel” that drives the Internet of Things, so new sensing technologies will bring innovative applications and service types. Wireless sensing and other systems will be used in many fields such as medical diagnosis, object recognition, and smart home interaction.
7. Seven. Enhanced wireless location tracking
The perception of the location of connected devices by wireless communication systems is one of the important trends in the wireless field. The upcoming IEEE802.11az standard will enable high-precision tracking to about 1 meter, which will become one of the characteristics of 5G in the future.
Location service is a key application required for many business fields such as consumer marketing, supply chain and Internet of Things. For example, applications involving indoor robots and drones must have high-precision location tracking.
8. Eight, millimeter wave wireless technology
Millimeter wave wireless technology can work in the frequency range of 30GHz～300GHz and the wavelength range of 1～10mm. Wireless systems such as WiFi and 5G can use this technology for short-distance large-bandwidth communications (such as 4K and 8K video streaming).
9. Backscattering network
Backscatter network technology can send data with extremely low power consumption, this feature makes it the most suitable network for small networked devices. This feature is especially important for applications that are located in wireless signal saturation areas and require relatively simple IoT devices, such as sensor applications in smart homes and office spaces.
10. Software Radio (SDR)
Software radio transfers most of the signal processing in the radio system from the chip to the software, so the radio can support more frequencies and protocols. This technology has been introduced for many years, but it has not developed rapidly due to its higher price than dedicated chips. With the emergence of new agreements, software radio will begin to spread. Since very few old protocols have been eliminated, software radios will enable devices to support the old protocols and enable new protocols only through software upgrades.
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