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- W4381573503 abstract "In this paper, we consider the interference rejection combining (IRC) receiver, which improves the cell-edge user throughput via suppressing inter-cell interference and requires estimating the covariance matrix including the inter-cell interference with high accuracy. In order to solve the problem of sample covariance matrix estimation with limited samples, a regularization parameter optimization based on the minimum eigenvalue criterion is developed. It is different from traditional methods that aim at minimizing the mean squared error, but goes straight at the objective of optimizing the final performance of the IRC receiver. A lower bound of the minimum eigenvalue that is easier to calculate is also derived. Simulation results demonstrate that the proposed approach is effective and can approach the performance of the oracle estimator in terms of the mutual information metric." @default.
- W4381573503 created "2023-06-22" @default.
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- W4381573503 date "2023-06-20" @default.
- W4381573503 modified "2023-09-24" @default.
- W4381573503 title "Minimum Eigenvalue Based Covariance Matrix Estimation with Limited Samples" @default.
- W4381573503 doi "https://doi.org/10.48550/arxiv.2306.11332" @default.
- W4381573503 hasPublicationYear "2023" @default.
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