Joint Source-Channel Code Modulation Scheme Based on Variable-length Error-Correct Code and Doping Modulation

BAO Han; TU Guofang; ZHANG Can; GAO Shaoshuai; CHEN Deyuan

doi:10.11999/JEIT220531

Volume 45 Issue 6

Jun. 2023

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Article Navigation > Journal of Electronics & Information Technology > 2023 > 45(6): 2045-2053

BAO Han, TU Guofang, ZHANG Can, GAO Shaoshuai, CHEN Deyuan. Joint Source-Channel Code Modulation Scheme Based on Variable-length Error-Correct Code and Doping Modulation[J]. Journal of Electronics & Information Technology, 2023, 45(6): 2045-2053. doi: 10.11999/JEIT220531

Citation:

BAO Han, TU Guofang, ZHANG Can, GAO Shaoshuai, CHEN Deyuan. Joint Source-Channel Code Modulation Scheme Based on Variable-length Error-Correct Code and Doping Modulation[J]. Journal of Electronics & Information Technology, 2023, 45(6): 2045-2053. doi: 10.11999/JEIT220531

Citation:

BAO Han, TU Guofang, ZHANG Can, GAO Shaoshuai, CHEN Deyuan. Joint Source-Channel Code Modulation Scheme Based on Variable-length Error-Correct Code and Doping Modulation[J]. Journal of Electronics & Information Technology, 2023, 45(6): 2045-2053. doi: 10.11999/JEIT220531

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Joint Source-Channel Code Modulation Scheme Based on Variable-length Error-Correct Code and Doping Modulation

doi: 10.11999/JEIT220531

BAO Han^{1, 2},
TU Guofang^{1, 2
,
,},
ZHANG Can²,
GAO Shaoshuai²,
CHEN Deyuan²

1.
The High Technology Research Institute of Wei Qiao , USCAS, Beijing 101408, China
2.
School of Electronic, Electrical and Communication Engineering , University of Chinese Academy of Sciences, Beijing 101408, China

Funds: The National Natural Science Foundation of China (61571416, 61271282), The Award Foundation of Chinese Academy of Sciences (2017-6-17)

Received Date: 2022-04-27
Accepted Date: 2022-10-08
Rev Recd Date: 2022-09-18

Available Online: 2022-10-14

Publish Date: 2023-06-10

Abstract

Abstract

To deal with effects of limited spectrum, fading and multipath during wireless communication, a new joint source-channel code modulation scheme is proposed. This scheme consists of a Variable-Length Error-Correct (VLEC) code and doping modulation. With the aid of EXtrinsic Information Transfer (EXIT) chart analysis for the iterative decoding characteristics, the parameters of VLEC and doping modulation are designed. The design includes: A variable-length code with large free distance is constructed to provide error correction capability; The doping code and mapping of modulation are optimized to make the EXIT curve of doping modulation match with the EXIT curve of VLEC, and hence the Signal-to-Noise Ratio (SNR) required for iterative decoding convergence is reduced. Simulation results show that over AWGN channel and Rayleigh fading channel, the proposed scheme has more than 1 dB SNR gains compared with the separated source-channel code modulation and has the best performance compared with other joint source-channel code modulation schemes. Also, at the symbol error rate of 10^-4, the performance of the proposed system is 0.7 dB and 1.0 dB away from the Shannon limit, respectively.
- Joint source-channel code,
- Doping modulation,
- Iterative decoding,
- EXtrinsic Information Transfer (EXIT) chart

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References(26)

References

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