ACOUSTIC LOCATION DETERMINATION METHOD AND SYSTEM

摘要

A location determination method and system is described. The system comprises a beacon (20) and a receiver (30). The beacon (20) is arranged to broadcast an inaudible sonic signal within the location (10). The signal includes data for identifying the location (10). The receiver (30) is arranged to receive the signal when in the location (10) and determine the location (10) in dependence on the data.