Abstract: This paper proposes a peak-to-average power ratio (PAPR) reduction method that utilizes the null space in a multiple-input multiple-output (MIMO) channel for downlink MIMO-orthogonal ...

A federal judge on Wednesday listened to testimony as she weighs whether to extend restrictions on the actions of U.S. Border Patrol agents. Supreme Court allows Trump to end passport gender marker ...

(AP) - President Donald Trump’s administration faces Monday deadlines to tell two federal judges whether it will use emergency reserves to fully fund SNAP, the nation’s biggest food aid program, ...

OpenAI has signed a seven-year, $38 billion deal to buy cloud services from Amazon.com, in its first big push to power its AI ambitions after a restructuring last week that gave the ChatGPT maker ...

Abstract: As a promising alternative to traditional underwater communication methods, underwater wireless optical communication (UWOC) offers higher data rates, lower latency, and enhanced security.