Signal processing of multiple streams
AssigneeEntropic Communications, Inc.
InventorsMoshe Malkin, Dimitry Taich, Jose Tellado
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Abstract
Embodiments of methods, apparatuses, and systems for signal processing of multiple input signals to control peak amplitudes of a combined signal are disclosed. One method includes receiving a plurality of input signals, generating a combined signal, the combined signal comprising a plurality of sub-channels, wherein each sub-channel includes a representation of at least a portion of at least one of the plurality of input signals, and processing the representation of the least a portion of the at least one of the plurality of input signals of at least one of the sub-channels, to reduce a peak-to-average-power ratio (PAR) of the combined signal.
Claims32
A method of processing input signals, comprising;
- receiving a plurality of input signals, at least one of the received plurality of input signals including a plurality of replicated sub-channels;
- generating a combined signal, the combined signal comprising the plurality of replicated sub-channels;
- processing the plurality of input signals to generate an output signal that includes the plurality of replicated sub-channels, to reduce a peak-to-average-power-ratio (PAR) of the combined signal;
- generating a peak-reduction signal;
- and adding the peak-reduction signal with the combined signal, thereby reducing the PAR of the combined signal.
An apparatus for processing input signals, comprising;
- a multi-stream processing system configured to receive a plurality of input signals and generate a combined signal, wherein the combined signal includes a plurality of replicated sub-channels, wherein each replicated sub-channel includes a representation of at least a portion of at least one of the plurality of input signals;
- signal processing circuitry configured to process the representation of the least a portion of the at least one of the plurality of input signals of at least one of the subchannels to reduce a peak-to-average-power ratio (PAR) of the combined signal, generate a peak-reduction signal and add the peak-reduction signal with the combined signal, thereby reducing the PAR of the combined signal.
A method of processing input signals, comprising;
- receiving a plurality of input signals;
- generating a combined signal, the combined signal comprising a plurality of replicated sub-channels, wherein each sub-channel includes a representation of at least a portion of at least one of the plurality of input signals;
- processing the combined signal to reduce a peak-to-average-power ratio (PAR) of the combined signal;
- generating a peak-reduction signal;
- and adding the peak-reduction signal with the combined signal, thereby reducing the PAR of the combined signal.
Dependencies are inferred from the claim text.