Abstract: Convolutionally precoded polar codes known as polarization-adjusted convolutional (PAC) codes are a promising variant of polar codes for short block lengths. The precoding in PAC codes has ...
Copyright 2026 The Associated Press. All Rights Reserved. Copyright 2026 The Associated Press. All Rights Reserved. (AP Illustration) Add AP News on Google Add AP ...
A risk-taking outsider, he brought speed, competition and controversy to one of science’s biggest races. By Nicholas Wade J. Craig Venter, a scientist and entrepreneur who raced to decode the human ...
America sits on billions of barrels of clean, cheap oil, yet imports foreign crude at massive cost — and the SRT explains exactly why. In the 1970s, Henry Kissinger created the petro-dollar system, ...
Abstract: Unmanned Aerial Vehicles (UAVs) are an indispensable core component of low altitude economic networks. It is very critical for achieving efficient UAV image transmission of air-to-ground ...
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