Method and system for redundancy-based decoding of voice...

Details Method and system for redundancy-based decoding of voice... Method and system for redundancy-based decoding of voice...

2011-01-25

2011-01-25

Rizk, Sam (Department: 2112)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C375S316000

Reexamination Certificate

active

07877674

ABSTRACT:
Aspects of a method and system for redundancy-based decoding of voice content in a wireless local area network (WLAN) system are provided. A WLAN receiver may determine whether a decoded portion of a received packet comprises voice content and may select a redundancy-based decoder to decode a remaining portion of the packet when voice content is detected. The redundancy-based decoder may be a Viterbi decoder. The redundancy-based decoder may be selected to decode a determined number of subsequent packets or to decode subsequent packets for a determined amount of time. After decoding the remaining portion of the packet and any subsequent packets, the WLAN receiver may select a standard Viterbi decoder to decode additional received packets. The WLAN receiver may generate at least one signal to select the redundancy-based decoder and the standard Viterbi decoder.

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Schurgers et al. Voice over wireless internet: performance interaction of signal processing algorithms and network protocols.IEEE Vehicular Technology Conference (VTC'9 Houston, Texas, pp. 1935-1939, May 16-22, 1999.

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