Abstract: In this paper, we investigate the downlink of millimeter-wave multi-user massive MIMO systems, and propose a hybrid precoding scheme based on a sub-array architecture to achieve a better ...

Abstract: In this paper, we first propose a sub-6 GHz (sub- 6G) and mmWave dual-band reconfigurable antenna array (DBRAA) to enable wireless capabilities in both bands. For the mmWave band, the DBRAA ...

In this study, the authors use microCT to image an intact hatchling octopus and segment major organ systems, including the vascular, respiratory, digestive, and nervous systems. The resulting dataset ...

Pro Football and Sports Network: Drew Allar is perhaps the most quintessential “prototypical QB” in the 2026 NFL Draft. A ...

Diversified hands-off retirement portfolio: 12 funds (ETFs/CEFs/mutual) targeting 6% yield + 6% dividend growth. Read the ...

Iran’s failed missile strike on the Diego Garcia base may have triggered a response it never expected. As Operation Epic Fury ...

Unleashing submunitions at high altitudes has helped Iran to get through Israel's terminal missile defenses, and is a tactic ...

Veteran investor Shankar Sharma shares his 26-year process for spotting market consensus and making contrarian trades ...

Hollywood actors keep bringing up a potential Red Dead Redemption movie and saying they would love to be in it. After Jack ...

Newberry Volcano in central Oregon contains ideal conditions for a superhot rock enhanced geothermal system candidate. An ...

The Tyee has learned this is the second request to Justice Minister Mickey Amery for a criminal investigation. There also ...