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Data transmission method and equipment

A data transmission method and data transmission technology, which are applied in the field of data transmission methods and equipment, and can solve problems such as abnormal data transmission links between base stations and terminals

Inactive Publication Date: 2017-09-15
COMBA TELECOM SYST CHINA LTD
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0004] Embodiments of the present invention provide a data transmission method and device, which are used to solve the problem in the prior art that the data transmission link between the base station and the terminal is abnormal when the number of retransmissions performed by the base station reaches the maximum number of retransmissions configured by the base station. technical problem

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Embodiment Construction

[0039] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.

[0040] The following describes the technical background of the embodiments of the present invention.

[0041] At present, the functions of the base station are mainly to process the data transmitted by the air interface and perform data exchange and forwarding with the network side. Taking the base station in the long term evolution (Long Term Evolution, LTE) communication system as an example, please refer to figure 1 , is an application scenario graph in the prior art. Among them, the base station communicates with the terminal through the air interface, and the data processing protocol layer of the base station mainly includes a media access control (Media...

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Abstract

The invention discloses a data transmission method and data transmission equipment, which are used for solving the technical problem of abnormal data transmission links between an evolved Node B (eNB) and a terminal because the number of times of performing retransmission by the eNB reaches the maximum number of times of retransmission equipped for the eNB in the prior art. The data transmission method comprises the steps that: a data receiving end records a number of times of transmitting a first state report to a data transmitting end, wherein the first state report is used for indicating that the data transmitting end needs to retransmit a first RLC data packet; the data receiving end judges whether the number of times is greater than a first preset threshold value; and the data receiving end transmits a second state report to the data transmitting end if the data receiving end judges that the number of times is greater than the first preset threshold value, wherein the second state report is used for indicating that the data receiving end has received the first RLC data packet.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a data transmission method and equipment. Background technique [0002] Currently, an evolved base station (evolved Node B, eNB), referred to as a base station, mainly includes two modes for data transmission between the base station and a user terminal, namely, an acknowledged mode (AM) and an unacknowledged mode (UM). Among them, the confirmation mode means that after the data sending end sends the data packet, the data receiving end needs to feed back a status report according to the receiving situation. If the status report indicates that the data packet sent by the data sending end has not been received by the data receiving end or not received in full, then The data sender needs to retransmit the data packet or the unreceived data in the data packet, while the non-confirmation mode means that the data sender can directly send the data packet without feedback ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W24/04H04L1/18
CPCH04L1/1806H04W24/04
Inventor 李福坚胡呈欣关文祥
Owner COMBA TELECOM SYST CHINA LTD
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