Abstract: Multiple-input multiple-output orthogonal time frequency space (MIMO-OTFS) channels exhibit unique sparse properties in the delay-Doppler-angle (DDA) dimension. In this paper, we are ...

Abstract: Underdetermined wideband direction of arrival (DOA) estimation using sparse array is studied in this paper. The wideband array signal processing model based on difference coarray is deduced ...

Five years after Anthony Broadwater was belatedly cleared for the sexual assault of Alice Sebold, the questions of how he came to be wrongly convicted and how one or more serial rapists operated for ...

We are a global organization that fights inequality to end poverty and injustice. In this Q&A, new Oxfam-PolicyLink research reveals how this widespread corporate practice is distorting the stock ...

Infamous New York cult leader Keith Raniere is now being held at a federal prison in Tucson specializing in sex offenders. Raniere, 60, was transferred to United States Penitentiary Tucson on Jan. 21 ...

We're celebrating 25 years of work to advance a bold vision for a just and inclusive democracy and economy that reflects a growing and diversifying nation. Read Taifa Smith Butler's reflection on ...

June 30, 2026 • Mark Zuckerberg met with Kalshi's CEO last year about a potential deal, but talks did not move forward. Now Meta is making its own prediction market app. June 30, 2026 • The Ebola ...

We are a nonpartisan, nonprofit “consumer advocate” for voters that aims to reduce the level of deception and confusion in U.S. politics. We monitor the factual accuracy of what is said by major U.S.

Through teaching, publishing, convening, fact-checking and media literacy, Poynter creates a crossroads where communities come together to use journalism to confront society’s complex problems.

UK Government announces new law after six years of pressure from WWF and supporters. We never gave up and neither did you. We’re WWF, the leading global environmental charity, and we’re bringing our ...

I like that PIRG digs down and finds ways the system has been rigged against our long-term welfare and tries to translate that into legislative and legal action at the state, local and national levels ...

UN Structure The UN Charter establishes the UN’s six principal organs: the General Assembly (GA), the Security Council (SC), the Economic and Social Council (ECOSOC), the Trusteeship Council, the ...