Examples of 'viterbi decoder' in a sentence
Meaning of "viterbi decoder"
viterbi decoder: In the context of computer science and signal processing, a Viterbi decoder is an algorithm used for decoding convolutional codes in digital communication systems. It is designed to reconstruct the most likely sequence of transmitted data bits based on received signals and a predetermined decoding metric
How to use "viterbi decoder" in a sentence
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viterbi decoder
Integrated structure for a convolutive viterbi decoder.
And a Viterbi decoder which operates on the sequences of the said points.
The convolutional decoder may be a Viterbi decoder.
The Viterbi decoder is utilized to determine the most likely information bit sequence.
Decoding is preferably performed using a Viterbi decoder.
All these results produced by the Viterbi decoder are used for computing the reliability.
The selected data is subsequently decoded by a Viterbi decoder.
The known Viterbi decoder is not adapted to calculate the transition bit error rate.
In the case of convolution coding a Viterbi decoder is used.
The Viterbi decoder then corrects fewer errors, which constitutes a drawback.
Convolution coding is preferably decoded with a Viterbi decoder.
Device for synchronizing branches of a Viterbi decoder included in a multidimensional trellis coded digital data receiver.
Each bit of a code word is applied to a single Viterbi decoder.
At the receiver, a Viterbi decoder provides soft decisions and good coding gain.
The convoluted data is decoded in the receiver by a Viterbi decoder.
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This value is then used as a metric in the Viterbi decoder employing soft decision decoding.
Punctured convolution codes can best be decoded by a Viterbi decoder.
The symbol streams fed to the Viterbi decoder 15 are then shifted by one symbol interval.
Decoding is preferably performed using convolutional decoding such as vÃa a Viterbi decoder.
This decoder differs from a conventional Viterbi decoder which makes a hard decision.
For example convolutional coding is advantageously decoded with a Viterbi decoder.
The Viterbi decoder 15 has an output supplying a path metric normalization indicator signal NMC.
These values are used for power control and for a soft decision Viterbi decoder.
Therefore, the Viterbi decoder for decoding AIS message signal segments has effectively 8 states.
At the relay, this sequence is detected and decoded using a viterbi decoder.
The metrics are processed by the Viterbi decoder 28 in a conventional manner.
Figure 1 is a block diagram showing a conventional Viterbi decoder.
Therefore, for each synchronization found, a Viterbi decoder ( a Viterbi decoding sequence ) may be started.
A data decoding device according to claim 1, wherein said decoder is a Viterbi decoder.
The Viterbi decoder performs maximum likelihood decoding using the channel state information, also called " metric ".
Accordingly, the manufacturing cost of the Viterbi decoder can be greatly reduced.
The successive iterative decodings are carried out by a single soft-decision Viterbi decoder.
In the exemplary embodiment decoder 58 is a Viterbi decoder of constraint length 7.
From the metrics, soft decision data is produced and provided for decoding in a Viterbi decoder.
The turbo decoder 41 decodes turbo encoded signals and the Viterbi decoder decodes convolutionally encoded signals 43.
The receive sub-system also includes a processor for decoding the bits received, in particular a Viterbi decoder.
The architecture of a Viterbi decoder is shown in FIG . 8.
The soft-output from MMSE MIMO detection is passed over to the Viterbi decoder.
The resultant Viterbi decoder 60 output is provided to multiplexer 65.
If the residual static phase shift is equal to 0, the Viterbi decoder operates normally.
The Viterbi decoder is preferably of a constraint length 9, and of a code rate 1/2.
In practice, the demodulator produces analog information elements while the Viterbi decoder is a digital unit.
The erasure Viterbi decoder 451 comprises a Viterbi decoder proper and an erasure estimator 80.
Again, in the exemplary embodiment decoder 58 is a Viterbi decoder.
FIG . 8 is a diagram of a portion of a Viterbi decoder corresponding to the encoder of FIG . 5 ;.
In this manner, the metrics which are applied to the Viterbi decoder are,.
A Viterbi decoder 806 decodes the Rate Indication-including signal.
FIG . 3 shows a continuous stream of symbols applied to the Viterbi decoder.
Mapper 70 converts a single bit output of Viterbi decoder 60 to an 8 bit mapped data byte.
Therefore, the sequential decoding means comprise metric computing means 27 followed by a Viterbi decoder 28.
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