Patent ID: 8649517
Filing Date: 2014-02-11
Classification: H04N

Abstract:
1. A method for receiving a mobile digital multimedia service, comprising: a receiving device receiving multimedia broadcast data, analyzing to obtain a multiplex subframe from the multimedia broadcasting data; when judging that a subframe header of the multiplex subframe indicates a scrambling state, descrambling to obtain multimedia data in the multiplex subframe; the receiving device filling the descrambled multimedia data in corresponding fields of the multiplex subframe in which the original scrambled multimedia data locates, indicating a descrambling state in the subframe header of the multiplex subframe, and recalculating and updating Cyclic Redundancy Check (CRC) data in the subframe header of the multiplex subframe; and the receiving device sending the multiplex subframe to a computer equipment; and the computer equipment receiving the descrambled multimedia broadcast data, checking that subframe header data are correct according to the CRC data included in the subframe header of the multiplex subframe received from the receiving device, and when judging that the subframe header indicates the descrambling state, displaying the descrambled multimedia data included in the multiplex subframe to a user.