Self-synchronizing de-interleaver for viterbi decoder used in wireline modems
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 30, 1987
Grant Date -
N/A
app pub date -
Mar 1, 1985
filing date -
Mar 1, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In the transmitter of a data communication system using QAM, a plurality of trellis coders with delay units are used for forward error correction. The output of each encoder is modulated using QAM to generate sequential baud signal elements. The redundant data bits generated are distributed among several non-consecutive bauds. At the receiver a distributed convolutional decoder individually addressed having sectioned memory elements is utilized to decode the received signal element. The distributed trellis decoder is self-synchronizing.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully