Apparatus and method for crest factor reduction in a communication system
First Claim
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1. A Crest Factor Reduction (CFR) apparatus in a communication system, comprising:
- a clipping noise generating device to generate a clipping noise signal for a communication signal based on a clipping threshold value, and a clipping control device to control the clipping threshold value based on an average power of the communication signal
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Abstract
Embodiments of the present invention may provide a CFR apparatus and method in a communication system. The CFR apparatus may include a clipping noise generating device to generate a clipping noise signal for a communication signal based on a clipping threshold value, and a clipping control device to control the clipping threshold value in accordance with an average power of the communication signal
16 Citations
20 Claims
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1. A Crest Factor Reduction (CFR) apparatus in a communication system, comprising:
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a clipping noise generating device to generate a clipping noise signal for a communication signal based on a clipping threshold value, and a clipping control device to control the clipping threshold value based on an average power of the communication signal - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An apparatus comprising:
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a clipping control device to detect a power of a received communication signal and to provide a clipping threshold value based on the detected power;
a clipping noise generating device to generate a clipping noise signal based on the clipping threshold value;
a first delay device to delay the communication signal; and
a subtractor device to subtract the clipping noise signal from the delayed communication signal. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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16. A method of implementing Crest Factor Reduction (CFR) in a communication system, comprising:
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storing a clipping threshold value corresponding to a communication signal;
detecting an average power of the communication signal; and
generating a clipping noise signal for the communication signal based on the stored clipping threshold value. - View Dependent Claims (17, 18, 19, 20)
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Specification