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  1. No Access

    Article

    Guaranteeing the response deadline for general aggregation trees

    It is essential to provide responses to queries within time deadlines, even if not exact and complete. To reduce the query latency, systems usually partition large-scale data computations as a series of tasks ...

    Jiangfan Li, Chendie Yao, Junxu **a, Deke Guo in Frontiers of Computer Science (2020)

  2. No Access

    Chapter and Conference Paper

    A Spectrum Sensing Algorithm Based on Information Geometry and K-medoids Clustering

    In order to improve the performance of existing spectrum sensing methods in cognitive radios and solve the complex problem of decision threshold calculations. This paper uses the information geometry theory an...

    Yonghua Wang, Qiang Chen, Jiangfan Li, Pin Wan… in Cloud Computing and Security (2018)

  3. No Access

    Chapter and Conference Paper

    Research on Cognitive Radio Spectrum Sensing Method Based on Information Geometry

    Making using of the emerging information geometry theory, we analyze the statistical properties of wireless spectrum signals received by secondary users, and propose a cognitive radio spectrum sensing method b...

    Qiang Chen, Pin Wan, Yonghua Wang, Jiangfan Li, Yirui **ao in Cloud Computing and Security (2017)