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Wi-Fi and Bluetooth which is more suitable for the Internet of things?
Source:Orginal | Author:C&T RF Antennas Inc | Publish time: 2019-04-05 | 1243 Views | Share:

A few years ago, Wi-Fi and Bluetooth still lag behind the two technical standards, respectively, in their respective territory of work. Until the arrival of Bluetooth 3.0 in June 2009, the development of the two for the first time has crossed.


In April 2009, the Bluetooth Alliance announced the release of Bluetooth 3.0, a new technology that introduced WLANs (which are Wi-Fi's most focused areas), resulting in eight times the transmission speed and high-speed transmission.


About six months later, Wi-Fi Alliance announced to the outside world, is developing Wi-Fi Direct's standard specifications. As a result, users can create direct connections between client devices without using traditional Wi-Fi infrastructure networks (ie, access points or routers). In fact, the ad hoc nature of Wi-Fi itself enables point-to-point connections, but this mode is complicated to set and the maximum data rate is not fast enough - at 11 Mbps, and most importantly, many devices do not support this technology.


As all are point-to-point connection technology, due to a variety of similar scenarios, since the advent of Wi-Fi Direct at the moment, the industry will invariably be compared with Bluetooth, especially in public opinion, it is the two on the "you or me" the opposite relationship.


Time continues to move forward. July 2010, Bluetooth 4.0 came out, trying to consolidate its position through low power consumption and high speed; At the same time, Wi-Fi Direct came to the certification stage.


So, who are more advantages?


Wi-Fi Direct VS Bluetooth 4.0


Speed comparison

From a speed point of view, since Bluetooth 3.0 introduced WLAN, its transmission speed has increased 8 times to 25 Mbps, while Bluetooth 4.0 is said to have the same speed as 3.0. "

The Wi-Fi Alliance has promised Wi-Fi Direct speeds of up to 250Mbps, which is an advantage. And a Bluetooth and Wi-Fi certified engineer told reporters that the speed of upgrading must at the expense of power consumption, on the one hand, the inevitable result of the other hand shortcomings. Some analysts also believe that the speed of the two announced ais the theoretical speed, whether in the specific equipment can reach a different matter. A test engineer said that Bluetooth 4.0 "is very power efficient, but the relative transmission performance is not as fast as the original Bluetooth 3.0.