According to US media reports, WiFi seems to have connected most devices in the consumer's home, and why not connect it all together via smart home appliances?
While such an idea may seem natural, most network-connected devices are actually reluctant to use WiFi, largely because WiFi consumes too much power, so for many inexpensive micro-devices this is a huge The problem. It takes months or even years for these miniature devices to be recharged.
WiFiAlliance intends to change this situation, it announced today a new WiFi technology that can be used on low-power devices. Allegedly, this new WiFi technology can make WiFi signal spread further, through the wall performance is better than the previous WiFi technology. If the WiFi Association said nothing wrong, then this new technology is clearly more suitable for smart home and IoT devices.
This new WiFi technology, which will be called WiFiHaLow, will be an expansion of the upcoming 802.11ah standard. The WiFi Association plans to verify HaLow products sometime in 2018, but the first HaLow products may be available sooner.
This new WiFi technology can make up for the shortcomings of previous WiFi technologies when compared to Bluetooth, which can be applied to fitness trackers, home sensors, security cameras or other home devices. Now, many devices such as cameras already support WiFi technology, but wearables and sensors are also rarely used. HaLow will be a better solution than Bluetooth.
WiFi Association did not mention Bluetooth technology, but it hinted that HaLow's performance will be stronger than Bluetooth technology. Kevin Robinson, vice president of marketing for the Federation, said: "HaLow will be able to compete with existing technologies for battery life and other performance."
If HaLow technology really can behave as the WiFi Association said, it will have a very important meaning. It can not only completely replace Bluetooth, but also the signal transmission distance farther, but also directly connected with the router, that is to say can be directly connected with the Internet.
Existing handsets and routers must be upgraded with WiFi chips to be compatible with HaLow products, but this is only a matter of time, just as the launch of the 5GHz Wi-Fi was officially announced.
HaLow has these advantages because it runs on a better frequency band. It operates in the 900MHz frequency band, while the existing WiFi technology operates in the 2.4GHz and 5GHz frequency bands. The 900MHz frequency propagates further and penetrates more.
It should be noted that, like the existing WiFi technology, HaLow technology will operate in unlicensed frequency bands, so there may be some interference.
Of course, HaLow technology also has its own short board, that is, it is not suitable for fast data transfer. It is not suitable for browsing the web, but more suitable for high-frequency micro-data transmission above. Equipment manufacturers can customize HaLow according to their own needs in order to improve the transmission speed, but the battery life may therefore be some impact.
HaLow may not wait until two years before it appears in a smart home, but Smart Home and the Internet of Things are just starting out, so it may not be too late for HaLow to join. Robinson said: "The Confederation believes HaLow will play a huge role in the IoT community." But he also acknowledged that WiFi may not be the only standard, and nobody thinks the Internet of Things will be integrated through a single networking technology Together
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