Data transmission method and device based on MAC (media access control) sublayer and RLC (radio link control) sublayer
A seed layer and device technology, applied in the field of data transmission, can solve problems such as uselessness, and achieve the effect of ensuring transmission performance
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[0028] Example one
[0029] The first embodiment of the present invention provides a data transmission method based on the MAC sublayer and the RLC sublayer. The application of the method includes the MAC sublayer and the RLC sublayer equipment (such as UE, network side equipment, etc.), this embodiment In, the MAC sublayer and RLC sublayer data issuance decision methods are proposed, which involve the MAC sublayer indicating the necessary decision input information in the transmission opportunity notification, and the RLC sublayer performs the decision operation based on the input information to follow and avoid Rules for segmenting and maximizing the amount of data transferred.
[0030] Taking into account the modularization of each sub-layer of the LTE air interface, when the MAC sub-layer determines the amount of data that can be sent for each logical channel, it should check the number and size of RLC SDUs and retransmission buffers in the transmit buffer maintained by the RLC...
Example Embodiment
[0062] Example two
[0063] Based on the same inventive concept as the above method, the embodiment of the present invention also provides a data transmission device based on the medium access control MAC sublayer and the radio link control RLC sublayer, such as image 3 As shown, the device includes a MAC sublayer module 11 and an RLC sublayer module 12, where:
[0064] The MAC sublayer module 11 is configured to determine the amount of data that can be delivered on the logical channel and the total amount of data that can be delivered by the RLC sublayer at the current transmission opportunity; and send a transmission opportunity notification to the RLC sublayer. The opportunity notification is used to indicate the amount of data that can be delivered on the logical channel and the amount of data that can be delivered by the RLC sublayer at the current transmission opportunity;
[0065] The RLC sublayer module 12 is configured to use the amount of data that can be delivered on the...
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