Radio link control status report optimized transmission method and system

A technology for wireless link control and status reporting, applied in transmission systems, digital transmission systems, wireless communications, etc., can solve the problems of high overhead of RLC status reporting, waste of resource feedback delay, etc., to reduce overhead, reduce the number of transmissions, The effect of reducing the feedback delay

Active Publication Date: 2021-10-01
WUHAN HONGXIN TELECOMM TECH CO LTD
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Therefore, the above problems will cause the disadvantages of high RL

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  • Radio link control status report optimized transmission method and system
  • Radio link control status report optimized transmission method and system
  • Radio link control status report optimized transmission method and system

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[0032]To make the objectives, technical solutions, and advantages of the present invention clearer, the following will be incorporated in the present invention, the accompanying drawings, the present invention is the technical solution will be clearly and completely described, obviously, the described embodiments are part of the embodiments of the present invention rather than all embodiments. Based on the embodiments of the present invention, those of ordinary skill in the art to make all other embodiments without creative work obtained by, fall within the scope of the present invention.

[0033] For the prior art problem of too much overhead, the present invention provides a new radio link control layer optimization method and system status reporting transmission, can effectively reduce the overhead of the status reports indicating loss in the case of fragmentation.

[0034] Figure 5 It is a flow diagram of a wireless transmission link control status report optimization process...

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Abstract

The invention provides a radio link control status report optimized transmission method and system. The method comprises the following steps: acquiring an original report field set in an NR RLC protocol status report format; adding a fourth report field, a first fragment judgment indication field, a tail fragment judgment indication field and a fragment offset position group number indication field of a middle fragment to obtain an updated report field set; and based on the updated report field set, fragmenting the lost fragments in the RLC data, and outputting an RLC transmission state report. According to the invention, the new indication field is added in the existing NR RLC protocol, so that the radio link control layer does not need to carry all field information when reporting the transmission state of the lost fragment, the overhead of the state report under the condition of indicating the lost fragment is greatly reduced, and meanwhile, under the condition that the cache for sending the state report by the MAC is not enough, the sending times of the status report can be effectively reduced, so that the feedback time delay of the status report is reduced.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a method and system for optimizing the transmission of a radio link control state report. Background technique [0002] In the new air interface (Next-generation Radio, NR) protocol, the radio link control (Radio LinkControl, RLC) layer is located in the packet data convergence protocol (Packet Data Convergence Protocol, PDCP) layer and the media access control (Media Access Control, MAC ) between layers. In the data sending entity, the RLC protocol layer forms an RLC service data unit (Service Data Unit, SDU) for the PDCP protocol data unit (ProtocolData Unit, PDU) delivered from the PDCP layer according to the scheduling result of the MAC layer for the corresponding logical channel and After adding the RLC header and encapsulating it into an RLC data PDU or fragmentation (fragmentation), a new RLC SDU is formed, then adding an RLC header and encapsulatin...

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Application Information

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IPC IPC(8): H04W28/06H04W28/04H04L1/00H04L1/16
CPCH04W28/065H04W28/04H04L1/004H04L1/0079H04L1/1607
Inventor 戴利琼胡立华程潮冯伟
Owner WUHAN HONGXIN TELECOMM TECH CO LTD
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