Nowadays, LoRa radio frequency fingerprinting has gained widespread attention due to its lightweight nature and difficulty in being forged. The existing fingerprint extraction methods are mainly ...

This paper presents a stable fiber-based radio frequency (RF) transmission system and investigates the effect of transmission frequency on the system’s frequency stability. By changing the frequency ...

A faint radio glow reveals a million-light-year halo enveloping one of the earliest galaxy clusters, hinting that energetic ...