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- W4376456439 abstract "Angular reciprocity based downlink (DL) channel covariance matrix (CCM) reconstruction has the significant superiority of requiring no uplink feedback in frequency division duplex multi-antenna systems. In this realm, maximal angle of arrival estimation-based schemes show superior performance due to its noise-robust merit for environment with a dominant scattering cluster. To extend the scheme to multiple scattering clusters environments, we propose to decompose the DL CCM into the covariance matrix of each scattering cluster and then reconstruct each DL sub-covariance matrix utilizing the estimated angular reciprocal parameters. Simulation results verify the validity of the proposed scheme in a 3GPP standard based multiple scattering clusters channel model." @default.
- W4376456439 created "2023-05-14" @default.
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- W4376456439 date "2023-08-01" @default.
- W4376456439 modified "2023-10-16" @default.
- W4376456439 title "Angular Reciprocity-Based CCM Reconstruction for Downlink FDD Multi-Antenna Channels With Multiple Scattering Clusters" @default.
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- W4376456439 doi "https://doi.org/10.1109/lwc.2023.3274588" @default.
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