Title:
SIGNAL CLIPPING METHOD, DEVICE, SYSTEM AND SIGNAL TRANSMITTING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2010/072127
Kind Code:
A1
Abstract:
A signal clipping method, device, system and signal transmitting system. The method includes that: an input signal is sampled and the maximum peak value point signal over a preset threshold is detected from it, and the sampled point signals centered on the maximum peak value point signal are set as the signals to be clipped; the noise signal of clipping is obtained by multiplying the maximum peak value point signal by a preset clipping coefficient; and clipping processing is achieved by inversely stacking the noise signal of clipping onto the signals to be clipped. The invention realizes the elimination of one maximum peak value point signal of the input signal by clipping processing once, its logic design is simple, the depressing of the signal having high peak average ratio can be realized under the condition of optimizing hardware resources, furthermore, the pressure of outputting power and efficiency on the power amplifier is reduced.
Inventors:
LIU YUHANG (CN)
FU WEIXIANG (CN)
WU DI (CN)
FU WEIXIANG (CN)
WU DI (CN)
Application Number:
PCT/CN2009/075709
Publication Date:
July 01, 2010
Filing Date:
December 18, 2009
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
LIU YUHANG (CN)
FU WEIXIANG (CN)
WU DI (CN)
LIU YUHANG (CN)
FU WEIXIANG (CN)
WU DI (CN)
International Classes:
H04B7/005
Foreign References:
| CN101136890A | 2008-03-05 | |||
| CN1538650A | 2004-10-20 | |||
| US20070116142A1 | 2007-05-24 | |||
| CN1531293A | 2004-09-22 | |||
| CN101068233A | 2007-11-07 | |||
| CN1385975A | 2002-12-18 | |||
| CN101442348A | 2009-05-27 |
Attorney, Agent or Firm:
BEIJING CATALY IP ATTORNEY AT LAW (LimingSouth Division, the 8th Floor,Zhongtieke Mansion, Daliushu Road No. A2,Haidian District, Beijing 1, CN)
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