The DARPA Spectrum Challenge is a competition for teams to create software-defined radio protocols that best use communication channels in the presence of other users and interfering signals.
Using a standardized radio hardware platform, the team that finds the best strategies for guaranteeing successful communication in the presence of other competing radios will win. In addition to bragging rights for the winning teams, one team could win as much as $150,000.
High priority radios in the military and civilian sectors must be able to operate regardless of the ambient electromagnetic environment, to avoid disruption of communications and potential loss of life. Rapid response operations, such as disaster relief, further motivate the desire for multiple radio networks to effectively share the spectrum without requiring direct coordination or spectrum preplanning. Consequently, the need to provide robust communications in the presence of interfering signals is of great importance.
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