ZHANG Zhi-jun, WANG Wei-feng and DUAN Xin-tao. Performance analysis of serially concatenated minimum shift keying with bit-interleaver[J]. Journal of Light Industry, 2013, 28(4): 82-85,94. doi: 10.3969/j.issn.2095-476X.2013.04.020
Citation:
ZHANG Zhi-jun, WANG Wei-feng and DUAN Xin-tao. Performance analysis of serially concatenated minimum shift keying with bit-interleaver[J]. Journal of Light Industry, 2013, 28(4): 82-85,94.
doi:
10.3969/j.issn.2095-476X.2013.04.020
Performance analysis of serially concatenated minimum shift keying with bit-interleaver
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College of Computer and Information Engineering, Henan Normal University, Xinxiang 453007, China;
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College of Computer and Information Engineering, Xinxiang University, Xinxiang 453000, China
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Received Date:
2013-03-11
Available Online:
2013-07-15
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Abstract
The serially concatenated minimum shift keying (MSK) system with bit-interleaver when the receiver employs iterative decoding and demodulation was investigated.Compared with serially concatenated code which employed traditional shift keying modulation,serially concatenated MSK with bit-interleaver had a better performance with high bandwidth efficiency.Theoretical analysis and performance simulation results showed that:The influence of interleaving scheme system performance was very large and the pseudorandom interleaver was the ideal option;meanwhile,serial concatenated MSK system performance improved with the increase of the interleaving length and the number of iterations.When the number of iterations reached a certain number of times,continuous increase of the number of iterations had limited function in the performance improvement of the system.Usually the number of iterations was less than 12 times.The outer code was convolutional code with constraint length 3,which was a better choice.
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