What is Dynamic Spectrum Access?
DSA technology enables radios to safely share multiple frequency bands without interfering with legacy and other protected wireless systems. DSA-enabled devices accomplish this through a novel combination of RF, signal processing, networking and detection technologies that are coupled with DSA software algorithms to provide substantially more communications capacity than is available through current static spectrum access practices.
DSA improves spectrum utilization in three dimensions: frequency, location and time. It enables a network to opportunistically use a wide range of frequencies at points in time and space when and where they are authorized and available. When a non-cooperative user is detected on the same channel, a DSA-enabled device immediately moves to an unoccupied channel. Because many frequencies are utilized only a small portion of the time and in a fraction of locations, DSA enables two or more networks to share a given spectrum band. It also enables a wireless service provider or spectrum user to deploy more than one application or service in a given band.