Patent ID: 9204417
Filing Date: 2015-12-01
Classification: G01S,H04B,H04W

Abstract:
1. A mobile broadcast signal demodulation chip for location determination for a mobile broadcast signal containing audio, video or multimedia content, comprising: a reception and demodulation module, configured to demodulate a spread spectrum signal for positioning inserted in a header of a time slot or in a header of a transmission frame of a received mobile broadcast signal to acquire navigation message information, wherein the navigation message information comprises a identifier of a mobile broadcast base station; a measurement module, configured to measure and acquire location characteristic parameters; and a processing module, configured to acquire location data according to the navigation message information acquired by the reception and demodulation module and the location characteristic parameters acquired by the measurement module, wherein the spread spectrum signal for positioning fills in a position of a transmitter identifier and the front part of a first synchronization signal in each of the time slots, and spreading codes are superimposed in the remaining portion of each time slot.