IEEE Standard for Information Technology–Telecommunications and information exchange between systems–Local and metropolitan area networks–Specific requirements Part 22.1: Standard to Enhance Harmful Interference Protection for Low-Power Licensed Devices Operating in TV Broadcast BandsLow-power, licensed devices operating in television broadcast bands, such as wireless microphones, face potentially harmful interference from license-exempt devices such as Wireless Regional Area Networks, which operate in the same bands.
The new IEEE 802.22.1™ standard, however, can help protect these devices by defining the protocol and data formats for communication devices forming a beaconing network that will protect low-power licensed devices.Read more from IEEE.