Peak-to-average power ratio control

Details Peak-to-average power ratio control Peak-to-average power ratio control

2004-05-10

2010-10-05

Harper, Kevin C (Department: 2462)

Multiplex communications

Communication over free space

C370S464000

Reexamination Certificate

active

07808940

ABSTRACT:
A method for reducing the peak-to-average power ratio (PAPR) in an OFDM based wireless system is disclosed herein. The reduced PAPR may be achieved by appropriately selecting subpackets for transmission. For example, a scheduler may elect to sequentially transmit the subpackets in an order related to the PAPR of each of the subpackets until at least one of the subpackets is properly received. In one embodiment of the instant invention the order of transmission is selected to be from lowest to highest PAPR.

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Hill G., Faulkner M., Singh J., “Cyclic Shifting and Time Inversion of Partial Transmit Sequences to Reduce the Peak-to-Average Power Ratio in OFDM”, IEEE, Sep. 18-21, 2000, p. 1256-1259; retrieved on the internet on Aug. 25, 2008.
International European Search Report (EP 05 25 2540) dated Aug. 24, 2005.

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