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  1. No Access

    Chapter and Conference Paper

    Low Complexity Decoding Scheme for LDPC Codes Based on Belief Propagation Algorithm

    The low-density parity check codes (LDPC codes) are block codes whose performances are close to the Shannon limit. LDPC codes have the strong ability for error correction. The decoding algorithm of LDPC codes ...

    Wenshuo Zhang, Liming Zheng, Yue Wu, Gang Wang, Aijun Liu in Wireless and Satellite Systems (2019)

  2. No Access

    Chapter and Conference Paper

    BER Performance Evaluation of Downlink MUSA over Rayleigh Fading Channel

    Downlink multi-user shared access (MUSA) is a non-orthogonal multiple access scheme (NOMA) based on the traditional power domain superposition and uses a mirror constellation to optimize the modulated symbol m...

    Yao Xu, Gang Wang, Liming Zheng… in Machine Learning and Intelligent Communica… (2018)

  3. No Access

    Chapter and Conference Paper

    Machine Learning Based Key Performance Index Prediction Methods in Internet of Industry

    The Internet of industry (IoI) has been well advanced in modem factory accompanying with increasing application of sensor network. The industry intelligent is just basing on techniques of IoI and industry data...

    Haowei Li, Liming Zheng, Yue Wu, Gang Wang in Machine Learning and Intelligent Communica… (2018)

  4. No Access

    Chapter and Conference Paper

    Short Term Prediction Models of Mobile Network Traffic Based on Time Series Analysis

    In the mobile network, building a prediction based network traffic model is of great significance for mobile network optimization, so that the operators is able to schedule the resources adaptively. In the pap...

    Yunxue Gao, Liming Zheng, Donglai Zhao… in Machine Learning and Intelligent Communica… (2018)

  5. No Access

    Chapter and Conference Paper

    Low-Complexity Signal Detection Scheme Based on LLR for Uplink Massive MIMO Channel

    This paper proposes low-complexity detection algorithms for Massive MIMO system: Multiple Dominant Eigenvector Detection Algorithm (MDEDA) and Antenna Selection Scheme (ASS). Both the schemes calculate the log...

    **feng Chen, Liming Zheng, Gang Wang in Machine Learning and Intelligent Communications (2018)

  6. No Access

    Chapter and Conference Paper

    Channel Estimation Based on Approximated Power Iteration Subspace Tracking for Massive MIMO Systems

    Traditional semi-blind channel estimator is based on eigen value decomposition (EVD) or singular value decomposition (SVD), which effectively reduces the interference through dividing the observed signal into ...

    Liming Zheng, Donglai Zhao, Gang Wang… in Machine Learning and Intelligent Communica… (2018)