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- W4288388766 abstract "This paper studies the performance of wireless coded caching over multiple-input and single-output (MISO) channels in a finite signal-to-noise power ratio (SNR) region when every user has a different cache memory size. We first propose multicast beamforming for the network with the conventional coded caching based on quadratic transform (QT) and then point out the non-optimality of the caching scheme when the spatial degree of freedom (DoF) is exploited. We hence formulate a new optimization problem to enhance the caching gain by minimizing the difference between the generated codewords. Numerical results confirm the non-optimality of the conventional coded caching in terms of the average transmission rate and the improvement of our proposed caching." @default.
- W4288388766 created "2022-07-29" @default.
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- W4288388766 date "2022-07-04" @default.
- W4288388766 modified "2023-09-23" @default.
- W4288388766 title "Beamforming Design for Wireless Coded Caching with Different Cache Sizes" @default.
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- W4288388766 doi "https://doi.org/10.1109/spawc51304.2022.9833813" @default.
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