Multi-user detection under wireless channel

This paper gives a synchronized multi-user detection algorithm based on the ML(maximum likelihood) criterion, which is deduced from the standard VA (Viterbi algorithm). This algorithm can realize the recursive computation through the constructed metric recursive function and the renewed branch trans...

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Published in2009 IEEE International Conference on Communication Technology and Applications pp. 581 - 585
Main Authors Jun Yang, Junde Song
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.10.2009
Subjects
aggregated state transferring
cumulative metric
Decision support systems
Multi-path memory channel
Multi-user detection
Multiuser detection
Viterbi Algorithm
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ISBN1424448166
9781424448166
DOI10.1109/ICCOMTA.2009.5349134

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Abstract This paper gives a synchronized multi-user detection algorithm based on the ML(maximum likelihood) criterion, which is deduced from the standard VA (Viterbi algorithm). This algorithm can realize the recursive computation through the constructed metric recursive function and the renewed branch transferring metric. The algorithm can be used in the multi-user receiver when the channel information is known a prior. Simulation results show that the offered algorithm is the optimal algorithm, and can apparently reduce the bit error probability compared to the standard matrix detection algorithm under the condition that the decoding complexity is improved.
AbstractList This paper gives a synchronized multi-user detection algorithm based on the ML(maximum likelihood) criterion, which is deduced from the standard VA (Viterbi algorithm). This algorithm can realize the recursive computation through the constructed metric recursive function and the renewed branch transferring metric. The algorithm can be used in the multi-user receiver when the channel information is known a prior. Simulation results show that the offered algorithm is the optimal algorithm, and can apparently reduce the bit error probability compared to the standard matrix detection algorithm under the condition that the decoding complexity is improved.
Author Junde Song
Jun Yang
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  fullname: Junde Song
  organization: Lab. of Comput. network, Beijing Univ. of Posts & Telecommun., Beijing, China
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Snippet This paper gives a synchronized multi-user detection algorithm based on the ML(maximum likelihood) criterion, which is deduced from the standard VA (Viterbi...
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StartPage 581
SubjectTerms aggregated state transferring
cumulative metric
Decision support systems
Multi-path memory channel
Multi-user detection
Multiuser detection
Viterbi Algorithm
Title Multi-user detection under wireless channel
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