Improving multimedia broadcast/multiple broadcast service conversation repeat method and its MICH frame structure
A technology for multimedia broadcasting and multicasting services, applied in the field of improving session retransmission of multimedia broadcasting/multicasting services and its MICH frame structure, capable of solving problems such as complex operations, overheads, interruptions, etc., saving power consumption and reducing complex operations and overhead effects
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[0018] First, the present invention adopts such as figure 1 In the MICH frame structure shown, the MICH frame structure uses 1 to 12 vacant bits of the original MICH frame structure on the MICH channel to establish a session retransmission flag. The session retransmission flag bit is any number of bits among at most 12 bits and the permutation and combination of these bits. The coded content on the session retransmission flag bits (any one of 1 to 12 bits is acceptable) can be "all 0", "all 1" or other forms of 01..., 10... and so on.
[0019] The following will take 12 bits as an example to illustrate.
[0020] As shown in Table 1, a flag bit of "all zeros" indicates the first transmission or special retransmission of the MBMS session, while a flag bit of "all ones" indicates the general retransmission of the MBMS session. (Certainly, it is also possible to use flag bits as "all ones" to indicate that the MBMS session is transmitted for the first time or special retransmiss...
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