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 ...

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 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 ...

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 ...

Visible light is just one part of the electromagnetic spectrum that astronomers use to study the Universe. The James Webb Space Telescope was built to see infrared light, other space telescopes ...

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 ...

The Federal Communications Commission on Thursday formally approved an auction of a large swath of the radio spectrum crucial to cell phone and other wireless services. There was little doubt the FCC ...

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 ...