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IoT as a Service. 5th EAI International Conference, IoTaaS 2019, Xi’an, China, November 16-17, 2019, Proceedings

Research Article

Dynamic Maximum Iteration Number Scheduling LDPC Decoder for Space-Based Internet of Things

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  • @INPROCEEDINGS{10.1007/978-3-030-44751-9_20,
        author={Ruijia Yuan and Tianjiao Xie and Yi Jin},
        title={Dynamic Maximum Iteration Number Scheduling LDPC Decoder for Space-Based Internet of Things},
        proceedings={IoT as a Service. 5th EAI International Conference, IoTaaS 2019, Xi’an, China, November 16-17, 2019, Proceedings},
        proceedings_a={IOTAAS},
        year={2020},
        month={6},
        keywords={Space-based Internet of Things (S-IoT) LDPC decoder Iteration FPGA},
        doi={10.1007/978-3-030-44751-9_20}
    }
    
  • Ruijia Yuan
    Tianjiao Xie
    Yi Jin
    Year: 2020
    Dynamic Maximum Iteration Number Scheduling LDPC Decoder for Space-Based Internet of Things
    IOTAAS
    Springer
    DOI: 10.1007/978-3-030-44751-9_20
Ruijia Yuan1,*, Tianjiao Xie, Yi Jin1
  • 1: China Academy of Space Technology (Xi’an)
*Contact email: yuanyuanruijia@163.com

Abstract

For Space-based internet of things (S-IoT) application scenario, a Dynamic Maximum Iteration Number (DMI) scheduling decoder for LDPC codes is proposed. Distinct from traditional Static Maximum Iteration Number (SMI) scheduling LDPC decoder using fixed maximum iteration number, our DMI LDPC decoder has extra circuit to obtain the dynamic maximum iteration number, which could improves BER performance only at the expense of a slightly logic resources and a small ratio of memories, compared with conventional SMI scheme. Therefore, the DMI decoder is very suitable for the fluctuation of signal-to-noise ratio of S-IoT link.

Keywords
Space-based Internet of Things (S-IoT) LDPC decoder Iteration FPGA
Published
2020-06-05
Appears in
SpringerLink
http://dx.doi.org/10.1007/978-3-030-44751-9_20
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