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Small data packet transmission method, device and terminal

A technology of small data packets and transmission methods, which is applied in the field of communication, can solve the problems of low communication system efficiency, low system efficiency, and high signaling overhead, and achieve the goals of improving communication efficiency, reducing signaling overhead, and reducing signaling overhead Effect

Active Publication Date: 2018-11-16
SPREADTRUM COMM (SHANGHAI) CO LTD
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Problems solved by technology

[0003] From the above, if the user terminal and the base station do not distinguish between all transmitted data packets, and all use the default bearer or dedicated bearer for transmission, then a large number of frequent small data packets will lead to the re-establishment of the newly released bearer and signaling connection. When the transmitted data (DATA) part is relatively small, the signaling overhead required to transmit a small amount of data is very high, and the efficiency of the entire system is very low, resulting in low efficiency of the communication system

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  • Small data packet transmission method, device and terminal
  • Small data packet transmission method, device and terminal
  • Small data packet transmission method, device and terminal

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[0046] As mentioned in the background technology, if the user terminal and the base station do not distinguish between all transmitted data packets, and all use the default bearer or dedicated bearer for transmission, then a large number of frequent small data packets will cause the newly released bearer and signaling connection of re-establishment. When the transmitted data (DATA) part is relatively small, the signaling overhead required to transmit a small amount of data is very high, and the efficiency of the entire system is very low, resulting in low efficiency of the communication system.

[0047] The inventors of the present application have analyzed the prior art. After the UE and the base station complete an access process, they each save context (context), such as connection configuration, bearer configuration, and encryption key. Therefore, the air interface uses the context to perform a resume process to establish a connection between the UE and the base station, w...

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Abstract

A small data packet transmission method, an apparatus and a terminal thereof are disclosed. The small data packet transmission method comprises the following steps of sending a leader sequence to a base station so as to inform a base station user terminal of transmitting an uplink resource needed by a small data packet to be transmitted; and packaging the small data packet to be transmitted in Msg3 and using an uplink resource configured by the base station to send the small data packet. In the technical scheme, signaling cost during a small data packet communication process is reduced and communication efficiency is increased.

Description

technical field [0001] The present invention relates to the communication field, in particular to a small data packet transmission method, device and terminal. Background technique [0002] In a Long Term Evolution (Long Term Evolution) system, in order to reduce energy consumption of terminal equipment and network load, a discontinuous reception (Discontinuous Reception, DRX) technology is introduced. This technology makes it possible to release resources such as user equipment (User Equipment, UE) bearer and radio resource control (Radio Resource Control, RRC) connection when there is no data transmission within a certain period of time. With the rise of mobile Internet applications (eg, WeChat) and the Internet of Things, there is an increasing demand for transmitting small packets in a single communication process. A data communication process of the current wireless cellular network includes the following steps: random access, wireless resource connection establishment...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/18H04W12/02H04W12/04H04W28/06H04W76/27
CPCH04W4/185H04W12/02H04W12/04H04W28/06H04W76/27
Inventor 顾祥新徐伟杰
Owner SPREADTRUM COMM (SHANGHAI) CO LTD
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