Abstract: Spectrum sensing is a fundamental aspect of cognitive radio technology, tasked with detecting spectrum holes and unknown signal sources to improve spectrum management and resource ...

Abstract: Blind source separation (BSS) techniques have been extensively applied within the realm of graph signal processing (GSP). The existing BSS approaches for graph signal construct a composite ...

Defense Secretary Pete Hegseth faced scrutiny on two fronts Thursday, as lawmakers zeroed in on the legality of a Sept. 2 strike on survivors aboard an alleged drug boat in the Caribbean, while ...

A Pentagon inspector general report concluded that Secretary of War Pete Hegseth sent sensitive, nonpublic strike information over the encrypted app Signal using his personal phone, a violation of ...

WASHINGTON, Dec 3 (Reuters) - A Pentagon investigation has faulted U.S. Defense Secretary Pete Hegseth for using Signal on his personal device to transmit sensitive information about planned strikes ...