Apparatus and method for estimating a carrier to...

Details Apparatus and method for estimating a carrier to... Apparatus and method for estimating a carrier to...

2005-05-02

2009-08-25

Liu, Shuwang (Department: 2611)

Pulse or digital communications

Receivers

Interference or noise reduction

C375S340000, C375S260000, C375S222000, C375S377000, C327S310000, C327S384000, C327S551000, C285S259000, C285S284100, C370S206000, C370S210000, C370S480000

Reexamination Certificate

active

07580487

ABSTRACT:
An apparatus and a method for estimating a carrier to interference and noise ratio (CINR) in a communication system. The CINR value is precisely estimated by removing the error floor value, which is caused by the inaccurate sliding average window SAW channel estimation value, from the CINR estimation value. Since the CINR value is precisely estimated, performance of the adaptive power control or the adaptive modulation and coding device is improved.

REFERENCES:
patent: 6463105 (2002-10-01), Ramesh
patent: 7187646 (2007-03-01), Schramm
patent: 10266601 (2000-06-01), None

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