Patent ID: 8160536
Filing Date: 2012-04-17
Classification: G01C,H04N

Abstract:
1. A broadcast receiver, comprising: a signal receiving unit for repeating, when an operating mode of the broadcast receiver has been switched to a Discontinuous Receive (DRx) mode, preset wake-up and sleep sections, and receiving a broadcast signal containing main broadcast service and mobile broadcast service data in the wake-up section; a known sequence detector for detecting known data included in the received broadcast signal; and a channel equalizer for using the detected known data, thereby channel-equalizing the received mobile broadcast service data, wherein the mobile broadcast service data configures a data group, wherein the data group is divided into a plurality of regions, wherein N number of known data sequences are inserted in some regions among the plurality of regions within the data group, and wherein initialization data are inserted at a beginning portion of each known data sequence, the initialization data being used for initializing a memory included in a trellis encoder of a broadcast transmitting system.