Gerschgorin disk theorem based spectrum sensing for wideband cognitive radio by Bin SHEN, Shu WANG, Qiong HUANG, Qian-bin CHEN

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Off-grid DOA estimation algorithm based on unitary transform and sparse Bayesian learning by Yang GAO, Jun-li CHEN, Guang-li YANG

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Two-dimensional DOA estimation of unitary transformation matrix reconstruction based on L-shaped array by Xiu WANG, Qing CHANG, Yaoli WANG

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Joint user activity and signal detection for massive multiple-input multiple-output by Xiaoqun SONG, Ming JIN, Zhongjie JIA

Subjects: “…approximate message passing with unitary transformation…”
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