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11/03/2022
Miracast transmits video and audio based on "Wi-Fi Direct" It is a standard for First, let's briefly introduce this Wi-Fi Direct.
The Wi-Fi Alliance, an industry group that standardizes, certifies, and promotes Wi-Fi, formulated in 2010 as a standard that enables direct connection between Wi-Fi devices without an access point. is “Wi-Fi Direct”. Technically, the physical standard for communication conforms to the existing IEEE 802.11 (and its successor), and the upper layer is a mechanism that enables peer-to-peer communication.
Wi-Fi Direct defines the following three specifications.
With the implementation of Wi-Fi Direct, it is still widely used for various purposes, such as printing by connecting the camera directly to the printer via Wi-Fi, or transferring files between smartphones.
Setting screen of Nexus 6 (Android 7.1.1). "Wi-Fi Direct" menu is available after "Wireless & Networks" - "Wi-Fi" - "Advanced Settings"