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Transmitter power control as a method to reduce cochannel interference for a given channel allocation is investigated. The performance is analyzed in terms of interference. (outage) probabilities. Qpthm and nearoptimum global power control schemes are proposed. Using these schemes upper bounds on the performance of power control schemes are derived. Numerical results indicate that these upper bounds exceed the performance of conventional systems by an order of magnitude in interference suppression and by a factor of 5 in capacity. The structure of the optimum algorithm shows that efficient power control and dynamic channel assignment algorithms should be closely related.
Jens Zander (Wed,) studied this question.