Data transmission method and device

A data transmission method and technology of a data transmission device, which are applied in the field of mobile communication, can solve the problems of small data volume and sharp increase in overhead, etc., and achieve the effects of reducing the proportion, increasing the occupancy rate, and realizing rational utilization.

Inactive Publication Date: 2018-10-02
ZTE CORP
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Problems solved by technology

For the S1 interface, the data volume of a single IoT user is generally small. However, if a large number of concurrent users will cause a sharp increase in the cost of identifying users on the S1 interface, especially under the CP scheme, the user is carried by the non-access stratum (NAS) message. data without a dedicated data-carrying means

Method used

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  • Data transmission method and device
  • Data transmission method and device
  • Data transmission method and device

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Embodiment Construction

[0057] In order to make the purpose, technical solution and advantages of the present invention more clear, the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined arbitrarily with each other.

[0058] The inventors of the present application found that S1AP belongs to the upper-layer protocol, and the lower-level protocol control header is added when transmitting messages on the S1 port. The less effective data carried by the S1AP message, the greater the proportion of the overhead occupied by the control header. If the small packets are aggregated into large packets, the effective data of the S1AP layer will become larger, and the control information overhead of the underlying protocol will be reduced accordingly. Here we only use the S1 application protocol as an ...

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Abstract

The invention discloses a data transmission method and device. The method includes the following steps that: a plurality of user data are received in preset time; and the plurality of received user data are converged in the same message so as to be sent, wherein different user data are distinguished by different identifiers. According to the data transmission method, after the user data are converged, the ratio of effective data to control information overhead is increased, that is, the proportion of the control information overhead is reduced, and therefore, the control information overhead of an underlying protocol is decreased, the occupancy rate of the effective data is improved, and the sensible use of resources is realized.

Description

technical field [0001] The invention relates to mobile communication technology, in particular to a data transmission method and device. Background technique [0002] The fifth generation (5G) mobile communication system Internet of Things (IoT, Internet of Things) is characterized by high density and large connections. Both the air interface and the S1 interface between the base station and the core network will face a large amount of user data. For the S1 interface, the data volume of a single IoT user is generally small. However, if a large number of concurrent users will cause a sharp increase in the cost of identifying users on the S1 interface, especially under the CP scheme, the user is carried by the non-access stratum (NAS) message. data without a dedicated data-carrying method. [0003] At present, the S1 Application Protocol (S1AP, S1Application Protocol) message used by the S1 interface signaling only carries the data of a specific user, which is distinguished b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/891H04W28/02H04W28/06H04W76/10H04L47/41
CPCH04L47/41H04W28/0205H04W28/0231H04W28/06H04W28/00
Inventor 夏鹏
Owner ZTE CORP
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