Apparatus and method for reducing peak-to-average power...

Details Apparatus and method for reducing peak-to-average power... Apparatus and method for reducing peak-to-average power...

2008-03-25

2008-03-25

Bui, Bryan (Department: 2863)

Data processing: measuring, calibrating, or testing

Measurement system in a specific environment

Electrical signal parameter measurement system

C702S060000, C370S208000, C370S210000

Reexamination Certificate

active

11407750

ABSTRACT:
An apparatus and method for PAPR reduction in a wireless communication system are provided. In the PAPR reducing apparatus, a first calculator calculates an ISF for each sample of baseband sample data. A successive peak detector adjusts the ISF of the each sample according to the spacing between successive peak samples. A second calculator subtracts the ISF of each sample received from the successive peak detector from a predetermined value. A window convolution calculator calculates a convolution of the difference received from the second calculator and a predetermined window function, and outputs a window operation value of each sample.

REFERENCES:
patent: 6741661 (2004-05-01), Wheatley et al.
patent: 2002/0012403 (2002-01-01), McGowan et al.
patent: 2004/0042559 (2004-03-01), Jaenecke et al.
patent: 2004/0218689 (2004-11-01), Akhtman

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