MAC protocol data unit construction device
A protocol data unit and structure technology, applied in the field of communication, can solve the problem of low utilization rate of payload, and achieve the effect of improving overall transmission efficiency, increasing opportunities, and improving transmission efficiency
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Embodiment 1
[0070] Embodiment 1 provides a structure of the MAC PDU used on the multiplexed forward access channel, such as figure 1 shown. In the layer 3 signaling during the establishment process, the logical channel category of the bearer has been agreed, and the terminal identification number can only use the type of CRNTI (Cell Radio Network Temporary Identification Number). The media access control header includes N (the value of N is k) and k groups of sub-headers, corresponding to k media access control service data units, and padding is used at the end to align them. The subheader includes UE-Id, C / T, LI.
Embodiment 2
[0071] Embodiment 2 provides a structure of the MAC PDU used on the multiplexed forward access channel, such as figure 2 shown. In the layer 3 signaling during the establishment process, the logical channel category of the bearer has been agreed, and the terminal identification number can only use the type of CRNTI (Cell Radio Network Temporary Identification Number). And limit that only one logical channel is allowed to be mapped to the transport channel. The media access control header includes N (the value of N is k) and k groups of sub-headers, corresponding to k media access control service data units, and padding is used at the end to align them. The subheader includes UE-Id and LI.
Embodiment 3
[0072] Embodiment 3 provides a structure of the MAC PDU used on the multiplexed forward access channel, such as image 3 shown. In the layer 3 signaling during the establishment process, the logical channel category of the bearer has been agreed, and the terminal identification number can only use the type of CRNTI (Cell Radio Network Temporary Identification Number). And all the media access control service data units of different terminals multiplexed in one MAC PDU have the same length, and indicate the specific length. The media access control header includes N (the value of N is k) and k groups of sub-headers, corresponding to k media access control service data units, and padding is used at the end to align them. The subheader includes UE-Id, C / T.
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