Fan Yang

Central University of Finance and Economics

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Rina Foygel Barber

University of Chicago

Prateek Jain

Manav Rachna International Institute of Research and Studies

Yuehan Yang

Central University of Finance and Economics

Yu Le

Dalian University of Foreign Languages

John Lafferty

Yale University

Zhanji Wu

Heilongjiang University

Zhanyang Li

Jinan University

Huici Wu

Beijing University of Posts and Telecommunications

Xiaofeng Tao

Beijing University of Posts and Telecommunications

Zhenkai Wang

Guangzhou Marine Geological Survey

Cooperative Institutions

Beijing University of Posts and Telecommunications

Stanford University

Central University of Finance and Economics

Peking University

University of Chicago

University of California, Berkeley

Chinese Academy of Sciences

Peng Cheng Laboratory

Network Technologies (United States)

Xi'an Jiaotong University

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Selective Inference for Group-Sparse Linear Models

arXiv (Cornell University) (2016)

Fan Yang Rina Foygel Barber Prateek Jain John Lafferty

We develop tools for selective inference in the setting of group sparsity, including the construction of confidence intervals and p-values for testing selected groups of variables. Our main technical result gives the precise distribution of the magnitude of the projection of the data onto a given subspace, and enables us to develop inference procedures for a broad class of group-sparse selection methods, including the group lasso, iterative hard thresholding, and forward stepwise regression. We give numerical results to illustrate these tools on simulated data and on health record data.

Lasso

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A sparse estimate based on variational approximations for semiparametric generalized additive models

Computational Statistics (2024)

Fan Yang Yuehan Yang

Laplace's method

Marginal likelihood

Generalized additive model

Additive model

10.1007/s00180-024-01485-2

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A penalized least product relative error loss function based on wavelet decomposition for non-parametric multiplicative additive models

Journal of Computational and Applied Mathematics (2023)

Fan Yang Zhanyang Li Yushan Xue Yuehan Yang

Additive model

Spline (mechanical)

10.1016/j.cam.2023.115299

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On energy efficient design for dynamic CoMP transmission in K-tier heterogeneous cellular networks

China Communications (2016)

Min Xu Xiaofeng Tao Fan Yang Huici Wu

Motivated by the objective of pursuing revenue, improvement in coverage and reduction in energy cost for wireless communication networks have been of great significance for mobile operators. Therefore, heterogeneous cellular networks (HCNs) and Coordinated Multipoint (CoMP) transmission are considered as promising solutions to enhance the performances of wireless communication systems. This paper analyzed the K-tier HCNs with a dynamic downlink CoMP scheme, in which the flexible clusters of cooperative stations are determined by a connecting threshold 0. Using stochastic geometry, the coverage probability (CP) and energy efficiency (EE) of a K-tier HCN operating under this scheme are derived, based on which the trade-off between CP and EE is discovered and discussed. Simulation results show the validity of our derivations. The proposed schememay significantly reduce energy consumption sacrificing a small amount of CP, and outperforms the fixed scheme as well. The CP-EE trade-off are also revealed, whichsuggests suitable trade-off points between CP and EE that will deliver the maximum economic profitability. Tendencies discovered in this paper may provide the operators with opportunities for further optimization in pursuit of economic profitability.

Stochastic geometry

10.1109/cc.2016.7513210

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Performance comparisons of network coding in Bicm-Id systems with 16-Qam modulation

Fan Yang Zhanji Wu Xiang Gao Yu Le

This paper introduced a corresponding iterative decoding scheme at base station and a bitwise interleaver at the user station and relay to reduce the impact of interference and fading on the network coded cooperation in the uplink multiple-access relay systems. The authors compare the experimental performance of MARC (multiple-access relay channel) network coding over Rayleigh fading channel. The bit-error-rate (BER) performance comparisons of network coded relay scheme based on iterative decoding are shown using different mapping schemes and various channel coding methods. To facilitate comparison, Extrinsic Information Transfer (EXIT) chart is used to indicate and predict the convergence behavior of the system.

EXIT chart

Linear network coding

QAM

10.1109/icct.2013.6820482

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Performance of bit-interleaved coded modulation with iterative decoding based multiple-access relay cooperative systems

Yu Le Zhanji Wu Fan Yang

Using network coding, multiple-access relay channel makes a breakthrough at its performance. In order to further improve the performance of the uplink, a bit-interleaved coded modulation scheme with iterative decoding (BICM-ID) using joint coding differential modulation is designed. Specifically, it uses DE-16QAM of gray mapping mode matched with convolution code. Research has proved that in terms of quadrature amplitude modulation, modified set partitioning (MSP) mapping is optimal in iterative decoding scheme with convolution code. Yet when using joint coding differential modulation, the system has better reliability. The simulation results also show that the proposed scheme obtained dramatic performance gains by using joint coding differential modulation.

Differential coding

Coding gain

Convolutional code

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10.1109/icct.2013.6820485

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Valiant load-balancing and regionalized routing scheme

The Journal of China Universities of Posts and Telecommunications (2010)

Fan Yang Zhenkai Wang Jianya Chen Yunjie Liu

Hierarchical routing

Policy-based routing