Patent ID: 7953019

Claim:
A channel switching method performed by a receiver configured for digital broadcasting, comprising: identifying, with the receiver, pilot data from a digital broadcasting signal, wherein the digital broadcasting signal comprises the pilot data and media data comprising at least one of audio packets or video packets; storing the pilot data in a data storage in the receiver; in response to receipt of a channel switching request at the receiver that is received separately from the digital broadcasting signal, retrieving the pilot data stored in the data storage in the receiver, the retrieved pilot data having been identified from the digital broadcasting signal and stored in the data storage before the receipt of the channel switching request; and identifying, with the receiver, audio data or video data included in a channel associated with a destination digital broadcasting signal based on the stored pilot data; attempting to perform channel switching at the receiver from a channel associated with the digital broadcasting signal to the channel associated with the destination digital broadcasting signal based on at least the retrieved pilot data; determining whether the channel switching is successful; and based on determining that channel switching is unsuccessful: identifying updated pilot data from the digital broadcasting signal; updating the pilot data in the data storage in the receiver using the updated pilot data; and performing channel switching at the receiver from a channel associated with the digital broadcasting signal to the channel associated with the destination digital broadcasting signal based on at least the updated pilot data.