Digital broadcast receiver

Details Digital broadcast receiver Digital broadcast receiver

H - Electricity

04

L

H04L 5/06 (2006.01) H04L 27/26 (2006.01) H04L 27/38 (2006.01) H04H 1/00 (2006.01)

Patent

CA 2265260

A digital broadcast receiver is provided which can reliably perform a seek operation for an ensemble. Upon a seek instruction, a system controller 38A makes a front end 2 sequentially tune in frequencies of a plurality of ensembles. When a NULL symbol is detected at some reception frequency, a frequency error detector 33A decodes carrier-components of PRS and judges whether a maximum correlation value of a correlation function calculated between the decoded carrier-components and a predetermined reference code is equal to or higher than a predetermined value. If the maximum correlation value is equal to or higher than the predetermined value, the seek operation is terminated. And frequency error data calculated by the frequency error detector 33A is output to an integrator 34.

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