Enhanced decoder for a radio telephone

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United States of America Patent

PATENT NO 5557639
SERIAL NO

08322445

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The invention provides an improved method and apparatus for identifying a bad GSM speech frame. Both the estimated signal-to-noise ratio (ESNR) of the received signal and the pseudo bit error rate (PBER) of a recorded speech signal are used to determine whether or not a speech frame is bad.

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Patent Owner(s)

Patent OwnerAddress
NOKIA TECHNOLOGIES OY02610 ESPOO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Heikkila, Ilkka Marynummi, FI 19 728
Jokinen, Harri Hiisi, FI 88 3259
Ranta, Jukka Salo, FI 34 1579

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