The present invention, pertaining to the field of wireless communications, discloses a mobile broadcast-based method and apparatus that includes: receiving a mobile broadcast signal; demodulating a location spreading signal inserted in the header of a time slot or a transmission frame of the mobile broadcast signal to acquire navigation message information, and measuring and acquiring location characteristic parameters, wherein the navigation message information includes the identifier of a mobile broadcast station, and the location characteristic parameters correspond to the identifier; and acquiring location data according to the location characteristic parameters and the navigation message information. According to the method and apparatus, a location spreading signal is carried in the header of a time slot or in the header of a transmission frame of the mobile broadcast signal, navigation message information is acquired by demodulating the location spreading signal, and location characteristic parameters are acquired by measurement to acquire location data.