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The minimum mean square error (MMSE) algorithm can achieve the near-optimal detection performance in Massive MIMO system. However, it involves complicated matrix inversion. In this paper, a Chebyshev symmetrical successive over-relaxation iteration algorithm (CSSOR) based on the characteristic of channel hardening in massive MIMO system is proposed to avoid matrix inversion, whose the computational...
An optimal spectrum sensing algorithm is proposed based on the Neyman-Pearson theorem in this paper. The probability of detection is mathematically formulated through analytical discussions. The computational complexity of proposed algorithm is lower than that of the conventional algorithm based on multitaper method with singular value decomposition (MTM-SVD) because SVD is omitted in the proposed...
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