Game theory has been used as a tool for modeling and studying interactions between cognitive radios envisioned to operate in future communications systems.
Such terminals will have the capability to adapt to the context they operate in, through possibly power and rate control as well as channel selection.
Today, however, game theory applies to a wide range of class relations, and has developed into an umbrella term for the logical side of science, to include both human and non-humans, like computers.
Classic uses include a sense of balance in numerous games, where each person has found or developed a tactic that cannot successfully better his results, given the other approach.
In such distributed settings, the mobiles can be considered to be selfish agents (players) who try to maximize their utilities (often modeled as corresponding throughputs).