Abstract
A method for using a numerical method to design reference signals for multiple input multiple output (MIMO) systems is described. An input multiple input multiple output signal is determined. A nearest tight frame to one or more given structured vectors is obtained. One or more structured vectors from the nearest tight frame are obtained. The one or more structured vectors are projected onto the space of circulant matrices. One or more classes of matrices associated with reference signals are outputted.
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| 4G | 05/07/2013 | ISLD-201307-002 | HUAWEI |
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| Not Available | 05/07/2013 | ISLD-201307-002 | HUAWEI |
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| 4G | 29/10/2018 | ISLD-201810-073 | NOKIA CORP |
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| 4G | 13/02/2020 | ISLD-202002-032 | NOKIA CORP |
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