METHODS AND SYSTEMS FOR POWER SAVING CONTROLS IN MOBILE BROADCAST RECEIVER
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United States of America Patent
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Issued Date -
Jul 4, 2013
app pub date -
Dec 28, 2011
filing date -
Dec 28, 2011
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Abstract
In a broadcast receiver for receiving a digital broadcast signal that carries time division multiplexed content programs or channels configured for power saving modes, the tuner, the ADC, the sub-modules within demodulator core, and the decoder are partitioned into multiple power domains forming a signal data processing pipeline with stages that are corresponding to the power domains and according to the boundaries of the data processing steps. During burst timeslot, only the power domain that is processing the signal data is turned on. Once the processing is completed the power domain is turned off. The power domains are turned off during non-burst timeslot. The ADCs and the first power domain are turned on one timeslot prior the beginning of the next burst timeslot. Therefore, the receiver can simply disregard any residual data in the processing pipeline from the last burst cycle and data flushing is not necessary.
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