Over-the-air provisioning (OTAP) is also available in wireless environments (though it is disabled by default for security reasons).It allows an access point (AP) to discover the IP address of its controller.This system enables firmware upgrades without the need of physical access, saving time and money if the nodes must be re-programmed.On modern mobile devices such as smartphones, an over-the-air update may refer simply to a software update that is distributed over Wi-Fi or mobile broadband using a function built into the operating system, with the "over-the-air" aspect referring to its use of wireless internet instead of requiring the user to connect the device to a computer via USB to perform the update.OTA messaging provides remote control of mobile phones for service and subscription activation, personalization and programming of a new service for mobile operators and telco third parties.Various standardization bodies were established to help develop, oversee, and manage OTA. More recently, with the new concepts of Wireless Sensor Networks and the Internet of Things, where the networks consist of hundreds or thousands of nodes, OTA is taken to a new direction: for the first time OTA is applied using unlicensed frequency bands (868 MHz, 900 MHz, 2400 MHz) and with low consumption and low data rate transmission using protocols such as 802.15.4 and Zig Bee.As mobile phones accumulate new applications and become more advanced, OTA configuration has become increasingly important as new updates and services come on stream.
Firmware Over-The-Air, or "FOTA", is a way in which the firmware of a mobile device is updated wirelessly by the phone's manufacturer.
Motes are often located in places that are either remote or difficult to access.
As an example, Libelium has implemented a smart and easy-to-use OTA programming system for Zig Bee WSN devices.
You can register devices, install client apps to devices, and execute push updates.
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