Abstract: The recently proposed affine frequency division multiplexing (AFDM) is a new transmission waveform that has shown excellent performance in high-mobility environments, making it a sensible ...

Fans of codebreaking, maths and brainteasers can now try their hand at the latest cryptic Christmas challenge set by GCHQ, the UK's intelligence agency. GCHQ released its annual Christmas card on ...

VANCOUVER — A British Columbia judge says a man convicted in the notorious Surrey Six murder case is guilty of contempt of court for refusing to answer questions out of fear of violating the "inmate ...

Abstract: Massive multiple-input multiple-output (MIMO) has been widely adopted in next-generation wireless systems to enhance spectral efficiency and reliability. However, channel aging poses a ...