SF-MAX-Log-MAP parallel decoding algorithm and its application study in LTE

Turbo code, as a kind of LTE encoding scheme, its decoding method has an important influence on its performance and realization. In order to satisfy the low complexity and low delay requirement of LTE decoding, the paper has a combination of SF-MAX-Log-MAP algorithm and parallel decoding, also it ca...

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Published in:2011 Cross Strait Triple-Regional Radio Science and Wireless Technology Conference Vol. 2; pp. 885 - 888
Main Authors: Zengyou Sun, Lijie Zhang, Yong Tian
Format: Conference Proceeding
Language:English
Published: IEEE 01.07.2011
Subjects:
Approximation algorithms
BER time delay
Bit error rate
Educational institutions
Erbium
Integrated circuits
Iterative decoding
LTE
parallel decoding
scalar factor
Signal to noise ratio
Turbo
ISBN:1424497922, 9781424497928
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Abstract Turbo code, as a kind of LTE encoding scheme, its decoding method has an important influence on its performance and realization. In order to satisfy the low complexity and low delay requirement of LTE decoding, the paper has a combination of SF-MAX-Log-MAP algorithm and parallel decoding, also it carries on the BER performance simulation in LTE system. Simulation results show that: SF-MAX-Log-MAP parallel decoding algorithm, not only is its decoding performance close to the decoding performance of Log-MAP parallel decoding algorithm, but also it reduces the computation process which further reducing decoding delay; it is an efficient algorithm.
AbstractList Turbo code, as a kind of LTE encoding scheme, its decoding method has an important influence on its performance and realization. In order to satisfy the low complexity and low delay requirement of LTE decoding, the paper has a combination of SF-MAX-Log-MAP algorithm and parallel decoding, also it carries on the BER performance simulation in LTE system. Simulation results show that: SF-MAX-Log-MAP parallel decoding algorithm, not only is its decoding performance close to the decoding performance of Log-MAP parallel decoding algorithm, but also it reduces the computation process which further reducing decoding delay; it is an efficient algorithm.
Author Zengyou Sun
Lijie Zhang
Yong Tian
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  surname: Yong Tian
  fullname: Yong Tian
  organization: Sch. of Inf. Eng., Northeast Dianli Univ., Jilin, China
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Snippet Turbo code, as a kind of LTE encoding scheme, its decoding method has an important influence on its performance and realization. In order to satisfy the low...
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StartPage 885
SubjectTerms Approximation algorithms
BER time delay
Bit error rate
Educational institutions
Erbium
Integrated circuits
Iterative decoding
LTE
parallel decoding
scalar factor
Signal to noise ratio
Turbo
Title SF-MAX-Log-MAP parallel decoding algorithm and its application study in LTE
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Volume 2
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