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- W4323570475 abstract "We address the problem of interference leakage (IL) minimization in the $K$-user multiple-input multiple-output (MIMO) interference channel (IC) assisted by a reconfigurable intelligent surface (RIS). We describe an iterative algorithm based on block coordinate descent to minimize the IL cost function. A reformulation of the problem provides a geometric interpretation and shows interesting connections with envelope precoding and phase-only zero-forcing beamforming problems. As a result of this analysis, we derive a set of necessary (but not sufficient) conditions for a phase-optimized RIS to be able to perfectly cancel the interference on the $K$-user MIMO IC." @default.
- W4323570475 created "2023-03-09" @default.
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- W4323570475 date "2023-03-06" @default.
- W4323570475 modified "2023-10-06" @default.
- W4323570475 title "Interference Leakage Minimization in RIS-assisted MIMO Interference Channels" @default.
- W4323570475 doi "https://doi.org/10.48550/arxiv.2303.03014" @default.
- W4323570475 hasPublicationYear "2023" @default.
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