Patent Number: 8,792,589

Title: System and method for protecting transmissions of wireless microphones operating in television band white space

Abstract: A wireless microphone system broadcasts a pilot tone at the designated ATSC pilot position in the TV Band channel being used by the wireless microphone system. The pilot tone is a readily detectable waveform transmitted in the ATSC pilot position. The pilot tone can be generated by any one of: a standalone pilot tone generator; a pilot tone generator incorporated into a wireless microphone receiver; or, a pilot tone generator incorporated into a wireless microphone.

Inventors: Wu; Shiquan (Nepean, CA), Samarasooriya; Vajira (Ottawa, CA)

Assignee: Wi-LAN Inc.

International Classification: H04N 5/455 (20060101)

Expiration Date: 7/29/12018