Abstract: The codebook-based analog beamforming is appealing for future terahertz (THz) communications since it can generate high-gain directional beams with low-cost phase shifters via low-complexity ...

Abstract: mmWave communications systems usually rely on analog or hybrid analog/digital architectures and thus need a predefined codebook to perform beamforming. Traditional codebooks are designed for ...

Can you chip in? As an independent nonprofit, the Internet Archive is fighting for universal access to quality information. We build and maintain all our own systems, but we don’t charge for access, ...

Learning is painful, pleasant and, above all, communal. By Sebastian Castillo Late last spring I went through a period of some personal troubles and felt I was in need of spiritual assistance.

Add Yahoo as a preferred source to see more of our stories on Google. Dan Brown's new book, "The Secret of Secrets," is perhaps his most ambitious to date: "There's no bigger theme than human ...

Writing is hard. Writing books is harder. So as a mere plebeian author interviewing Dan Brown for the first time, I needed to know: After you’ve sold 200 million books, does it get any easier? “It’s ...

Writer Canisia Lubrin, known for her poetry, has won this year's Carol Shields Prize for Fiction, which honors women and nonbinary storytellers in the U.S. and Canada. Lubrin's debut fiction work, ...

You could call me a true coding nerd, and I would agree. It's my business and pleasure to study, research, and use the ADA's Code on Dental Procedures and Nomenclature (CDT) coding information to the ...

Every year, The Pokemon Company celebrates Pokemon Day, the anniversary of the first games coming out in Japan. The festivities typically include a Pokemon Presents full of exciting announcements and ...