Abstract: In this paper, we investigate the problem of spatial non-stationary channel estimation for near-field extremely large-scale multiple-input multiple-output (XL-MIMO) systems. Specifically, we ...

Medicare changes spark concern as some plans end. We explain what's new and answer your questions. Medicare open enrollment starts next week. In September, letters went out to recipients explaining ...

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The Nintendo 3DS emulator Azahar released a new update with support for dual-screen emulation. Most of the code comes from the work of another developer specialized in dual-screen forks. Several ...

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Apple said during the iPhone 17 launch event that the iPhone 17 Pro Max has the best battery life ever in an iPhone, especially the eSIM-only variant that features a slightly larger battery pack.

Worldwide solar and wind power generation has outpaced electricity demand this year, and for the first time on record, renewable energies combined generated more power than coal, according to a new ...