Decoder with an error control adaptively applied on the basis of

Details Decoder with an error control adaptively applied on the basis of Decoder with an error control adaptively applied on the basis of

1997-02-26

1999-05-04

DeCady, Albert

Excavating

370465, 348415, 371 42, H03M 1300

Patent

active

059011602

ABSTRACT:
A decoder which is adapted to receive a frame of coded data consisting of multiple slots including intra-frame position information indicating positions of the slots in the frame to decode the coded data, and which adaptively applies appropriate ones of plural error control methods depending on the position of the slots in the frame. An estimated value of the intra-frame position information of a current slot and a fixed amount of variation per slot of the intra-frame position information are generated in accordance with an estimated value of the intra-frame position information of an immediately preceding slot. Synchronization is established between a received value and the estimated value of the intra-frame position information. An error control method to be applied to the current slot in the synchronous state of the received value and the estimated value is determined in response to the estimated value of the intra-frame position information of the current slot generated. The decoder can achieve error control of received data correctly even if an error occurs with the received value of the intra-frame position information.

REFERENCES:
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patent: 5432800 (1995-07-01), Kuroda et al.
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patent: 5684806 (1997-11-01), Akiyama
patent: 5734678 (1998-03-01), Paneth et al.
patent: 5768276 (1998-06-01), Diachina et al.

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