A data transmission method and device for a base station

A data transmission method and a technology of a base station, which are applied in the field of data transmission methods and devices of a base station, can solve problems such as waste of air interface resources, and achieve the effect of avoiding waste of air interface resources

Active Publication Date: 2021-09-24
COMBA TELECOM SYST CHINA LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Embodiments of the present invention provide a data transmission method and device for a base station to solve the problem of air interface resource waste caused by base station retransmission of data existing in the prior art

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  • A data transmission method and device for a base station
  • A data transmission method and device for a base station
  • A data transmission method and device for a base station

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Embodiment Construction

[0021] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments . Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0022] figure 1 A schematic structural diagram of a communication system applying an embodiment of the present invention is shown. Such as figure 1 As shown, the system architecture may include a server 101 , a core network device 102 , a base station 103 and a terminal 104 . The server 101 and the core network device 102 may be connected in a wired or wireless manner. The core network device 102 and the base station 103 are connected i...

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Abstract

The embodiments of the present invention relate to the communication field, and in particular to a data transmission method and device for a base station, which are used to solve the problem of waste of air interface resources caused by retransmission of data by a base station in the prior art. In the embodiment of the present invention, the packet data convergence protocol PDCP entity obtains the service data unit SDU; the PDCP entity parses the SDU to obtain the analysis result; the analysis result includes the identification of the current transmission data; the PDCP entity determines that the stored When there is an identifier of the currently transmitted data, the SDU is discarded. In this way, repeated storage of the same SDU at the PDCP layer can be reduced, thereby helping to avoid the waste of air interface resources caused by the base station repeatedly transmitting the same data to the terminal.

Description

technical field [0001] Embodiments of the present invention relate to the communication field, and in particular, to a data transmission method and device for a base station. Background technique [0002] Long Term Evolution (LTE for short) belongs to the long term evolution version of the third generation wireless mobile communication protocol. LTE user protocols include: Packet Data Convergence Protocol (PDCP for short), Radio Link Control (RLC for short), Medium Access Control (MAC for short) and Physical Layer (Physical Layer , referred to as PHY). Wherein, the PDCP data needs to be processed by the protocol layer below the PDCP layer (that is, the MAC layer and the RLC layer), and then sent to the PHY layer, and then sent out through the PHY layer. In the process of processing PDCP data at the MAC layer and the RLC layer, it is necessary to establish a data header of the corresponding protocol layer for the PDCP data layer by layer, and bind the established data heade...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W28/06
CPCH04W28/06
Inventor 钟政杰
Owner COMBA TELECOM SYST CHINA LTD
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