Scientists May Have Finally Solved the Mystery of the Strange Hum Heard Around the World

A mysterious low-frequency sound known as The Hum has been reported around the world for decades, leaving researchers ...
IEEE

Affine Frequency Division Multiplexing for Next Generation Wireless Communications

Abstract: Affine Frequency Division Multiplexing (AFDM), a new chirp-based multicarrier waveform for high mobility communications, is introduced here. AFDM is based on discrete affine Fourier ...

The Ocean’s Longest-Running Mystery Sings With a Voice No Creature Should Have

For decades, a single whale has been calling out at a frequency no known species uses. Scientists still can’t find it.
IEEE

Orthogonal Time-Frequency Space Modulation: A Promising Next-Generation Waveform

Abstract: Sixth-generation (6G) wireless networks are envisioned to provide global coverage for the intelligent digital society of the near future, ranging from traditional terrestrial to ...

Dive Into a Very Noisy Sea With Some Very Rare Whales

Fewer than 100 Rice’s whales remain on Earth. Researchers say sonic blasts from oil exploration are a top threat to the ...