Swarms of satellites launched by SpaceX and other companies are disrupting astronomical observations. Here's how scientists ...

In this paper, we consider a spectrum sharing scheme that is a joint ... Chen, “A Resource Allocation Scheme for Cooperative Multiuser OFDM-Based Cognitive Radio Systems,” Communications, IEEE ...

These ranges include the spectrum needed to cover specific applications (e.g. disaster relief missions) and for connectivity (e.g. commercial broadband). The first fixed service frequency bands ...

Consumer demands are shaping the development of mobile broadband services. Anticipated increases in traffic (estimated as 10-100 times over the period 2020 – 2030), growth in the number of devices and ...