Method for rapidly establishing indoor wireless signal fingerprint database

The invention discloses a method for rapidly establishing an indoor wireless signal fingerprint database. The method comprises the following steps of establishing an indoor and outdoor combined three-dimensional scene model of a target building, predicting wireless signal strength information of a three-dimensional space, selecting a small number of test points from the target building, carrying out manual field measurement on the test points, recording wireless signal strength information, correcting parameters of a three-dimensional ray tracing propagation model according to the difference between the wireless signal strength information, which is actually measured in field, and wireless signal strength information which is theoretically calculated through the three-dimensional ray tracing propagation model, and predicting and establishing the wireless signal fingerprint database of the indoor and outdoor combined three-dimensional scene model through the corrected parameters of the three-dimensional ray tracing propagation model. The method has the advantage that the indoor wireless signal fingerprint database is established rapidly.