Low complexity error concealment for wireless transmission

Details Low complexity error concealment for wireless transmission Low complexity error concealment for wireless transmission

2006-12-26

2006-12-26

Lamarre, Guy J. (Department: 2133)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S758000

Reexamination Certificate

active

07155654

ABSTRACT:
An apparatus and method for concealing errors in digital data. An interpolator estimates a value of a sample of digital data from other samples of the digital data. The interpolator has an input for inputting the digital data and an output for outputting the estimated value of the sample of the digital data. A holding unit has an input for selectively receiving the sample of the digital data only when the sample is error free, and an output for outputting the error free sample. The input of the holding unit may be in parallel with the input of the interpolator. A selector selects between outputting the estimated value of the sample of the received digital data from an output of the interpolator and outputting the error free sample of the received digital data from an output of a holding unit based on at least one error indicator.

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Charles Chien, Igor Elgorriaga, Charles McConaghy,Low-Power Direct-Sequence Spread-Spectrum Modern Architecture For Distributed Wireless Sensor Networks, Association for Computing Machinery, ISLPED '01, Aug. 6-7, 2001, Huntington Beach, California, USA, pp. 251-254.

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