Wireless Network Emulator

256 software-defined radios (SDRs) to emulate up to 65,536 100 MHz-RF channels

AI Playground

Artificial Intelligence and Machine Learning with hardware-in-the-loop support

Spectrum Sharing

Supports repeatable research on dynamic spectrum sharing


Create custom scenarios and terrains

Prototyping Platform

Emulate in a repeatable environment before experimenting in the wild over PAWR platforms


Researchers can access Colosseum through open APIs


More information in the Colosseum brochure

Colosseum is a wireless emulator with 256 programmable software radios. It enables academic, government, and industry researchers to perform scalable and repeatable experimentation in wireless systems  in a large-scale emulation environment.

Our Sponsors

National Science Foundation

National Science Foundation

Defense Advanced Research Projects Agency

Defense Advanced Research Projects Agency