System and method for indoor positioning of mobile terminals

Abstract

This invention discloses a system and method for indoor positioning of a mobile terminal. The system comprises a control end and at least one positioning node installed indoors. The at least one positioning node, under the control of the control end, transmits linkage information to the mobile terminal within a specific zone, receives response information responded by the mobile terminal, measures signal strength of the response information, and transmits the received response and signal strength information to the control end. The control end analyzes and calculates on the received response and signal strength information to locate the mobile terminal. Using this invention, a user can realize accurate positioning of an indoor mobile terminal without changing existing mobile terminals. The disclosed positioning system and method is simple and convenient for use and has extensive applicability.

Dependencies are inferred from the claim text.