Cognitive radio networks (CRNs) represent an innovative paradigm in wireless communications that optimises the usage of the limited radio frequency spectrum. By enabling unlicensed secondary users to ...

An amateur satellite tracker stumbled across the signal, which is coming from Starshield satellites in a "hidden" part of the ...

AST SpaceMobile plans to use the spectrum in a limited capacity. Still, it faces fierce pushback from amateur radio groups, some of which claim interference is already happening. Facing thousands of ...

AST wants to use the 430 to 440MHz band for a satellite-to-phone service. Ham radio enthusiasts say the company's plan is vague and could interfere with their slim slice of spectrum. AST SpaceMobile ...

The National Academies of Sciences, Engineering, and Medicine are private, nonprofit institutions that provide expert advice on some of the most pressing challenges facing the nation and world. Our ...

The United States Frequency Allocation Chart shows how the nation’s precious radio frequencies are carefully shared. Somewhere above you right now, a plane is broadcasting its coordinates on 1090 ...

One of the huge drawbacks of modern technology is that it fills the air around us with radio signals. From your kitchen radio to your LTE-enabled smartphone, all of these devices use radio waves to ...

The United Nations-run quadrennial conference wrapped up Dec. 15 after four grueling weeks of treaty-level negotiations, establishing new global rules for how radio spectrum bands — the lifeblood of ...

Ofcom must make radio spectrum available for ISPs when it publishes its review into spectrum management in July, industry association ISPA said on Tuesday. The growth in wireless broadband means that ...

The Radio Spectrum is defined as the band of frequencies from 3Hz to 3 000 GHz of the Electromagnetic Spectrum. Column A lists Band Names, Column B lists the ITU Band designation number and Column C ...

Service has been restored in some areas after Hurricane Helene, but many people are still unable to communicate by phone, which has hampered relief efforts, worried loved ones and complicated daily ...