Analytics for the Internet of Things (IoT)

Wi-Fi

Wi-Fi is any wireless network that follows IEEE 802.11 specifications. It is ubiquitous and global. Provided you have not been hiding in a cave for the last decade, you know it well. Many IoT devices use it to connect to the internet, so it is useful to review how it works.

WiFi logo

To connect to a Wi-Fi Local Area Network (WLAN), a device needs a network interface controller. This may be a separate controller card or simply integrated as part of the chipset inside the device. Communication uses Ethernet-style data packets over pre-identified radio communication bands. Packet delivery is not guaranteed and uses best effort delivery ...