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Deep Space NetworkBroadcaster
convolutional codeMovie
Results are reported on the performance of the Deep Space Network's frame synchronizer for the (15,1/4) convolutional code after Viterbi decoding. The threshold is found that optimizes the probability of acquiring true sync within four frames using a strategy that requires next frame verification
The Viterbi decoders currently used by the Deep Space Network (DSN) employ an algorithm for maintain...
The primary accomplishments have been in the analysis and simulation of receivers and bit synchroniz...
The coding performance of the Probe-Orbiter-Earth communication link is analyzed and compared for se...
The analysis used to generate the theoretical models showing the performance of the frame synchroniz...
The Consultative Committee for Space Data Standards (CCSDS) recommends that space communication link...
The Big Viterbi Decoder (BVD), currently under development for the DSN, includes three separate algo...
Different methods are considered for frame synchronization of a concatenated block code/Viterbi link...
The current DSN frame synchronization procedure is based on monitoring the decoded bit stream for th...
The concept of node synchronization using state metrics is investigated. The branch metrics are inte...
Motivated by the needs of NASA's Voyager 2 mission, in this paper we describe an algorithm which det...
This ATM determines the probability of sync, false sync, and the probability of loosing sync for an ...
A self-synchronizing coding scheme for NASA's TDRSS satellite system is a concatenation of a (2,1,7)...
The Galileo low-gain antenna mission will be supported by a coding system that uses a (14,1/4) inner...
A Viterbi decoder, capable of decoding convolutional codes with constraint lengths up to 15, is unde...
Decoding results are described for long decoding runs of Galileo's convolutional codes. A 1 k-bit/se...
The Viterbi decoders currently used by the Deep Space Network (DSN) employ an algorithm for maintain...
The primary accomplishments have been in the analysis and simulation of receivers and bit synchroniz...
The coding performance of the Probe-Orbiter-Earth communication link is analyzed and compared for se...
The analysis used to generate the theoretical models showing the performance of the frame synchroniz...
The Consultative Committee for Space Data Standards (CCSDS) recommends that space communication link...
The Big Viterbi Decoder (BVD), currently under development for the DSN, includes three separate algo...
Different methods are considered for frame synchronization of a concatenated block code/Viterbi link...
The current DSN frame synchronization procedure is based on monitoring the decoded bit stream for th...
The concept of node synchronization using state metrics is investigated. The branch metrics are inte...
Motivated by the needs of NASA's Voyager 2 mission, in this paper we describe an algorithm which det...
This ATM determines the probability of sync, false sync, and the probability of loosing sync for an ...
A self-synchronizing coding scheme for NASA's TDRSS satellite system is a concatenation of a (2,1,7)...
The Galileo low-gain antenna mission will be supported by a coding system that uses a (14,1/4) inner...
A Viterbi decoder, capable of decoding convolutional codes with constraint lengths up to 15, is unde...
Decoding results are described for long decoding runs of Galileo's convolutional codes. A 1 k-bit/se...
The Viterbi decoders currently used by the Deep Space Network (DSN) employ an algorithm for maintain...
The primary accomplishments have been in the analysis and simulation of receivers and bit synchroniz...
The coding performance of the Probe-Orbiter-Earth communication link is analyzed and compared for se...
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