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Data transmission method and device, base station, terminal and readable storage medium

A data transmission method and terminal technology, applied in the field of communication, can solve problems such as cumbersome data flow, and achieve the effects of efficient transmission, improved efficiency, reduced power consumption and

Pending Publication Date: 2019-12-03
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Embodiments of the present invention provide a data transmission method, device, base station, terminal, and readable storage medium, aiming to solve the problem of cumbersome sending and receiving downlink data processes in the prior art

Method used

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  • Data transmission method and device, base station, terminal and readable storage medium
  • Data transmission method and device, base station, terminal and readable storage medium
  • Data transmission method and device, base station, terminal and readable storage medium

Examples

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no. 1 example

[0046] Please refer to figure 1 , figure 1 It is a flow chart of the data transmission method provided by the first embodiment of the present invention, including:

[0047] S101. Send a paging message to the terminal, and the paging message carries C-RNTI (CellRadioNetworkTemporaryIdentifier, cell radio network temporary identifier);

[0048] S102. Based on the C-RNTI, transmit downlink data.

[0049] C-RNTI, cell wireless network temporary identifier, is a dynamic identifier assigned to UE by the base station, which uniquely identifies the UE under the air interface of a cell, based on this identifier, information exchange between the base station and the terminal can be realized. When the base station wants to send downlink data to the terminal, it will go through the MME. The MME is the key control node of the 3GPP protocol LTE access network. It is responsible for the positioning of the UE in idle mode, the paging process, including the relay. command processing part. ...

no. 2 example

[0065] Please refer to image 3 , image 3 A flow chart of a data transmission method provided by the second embodiment of the present invention, including:

[0066] S301. Receive a paging message sent by the base station, where the paging message carries a cell radio network temporary identifier C-RNTI;

[0067] S302. Based on the C-RNTI, receive downlink data sent by the base station.

[0068] In some embodiments, the method may further include: receiving downlink scheduling information sent by the base station;

[0069] Based on C-RNTI, the downlink data sent by the receiving base station includes:

[0070] Receive downlink data on the physical downlink shared channel resource corresponding to the downlink scheduling information;

[0071] Or, receive the MSG4 message on the resources corresponding to the downlink scheduling information; complete the random access procedure based on the MSG-message 4, and perform downlink data transmission.

[0072] In some embodiments,...

no. 3 example

[0089] Please refer to Figure 4 , Figure 4 It is a signal flow diagram of a data transmission method provided by the third embodiment of the present invention. For the static terminal scenario, the paging message can carry C-RNTI and DL-grant, and then complete the downlink data transmission process.

[0090] S401. The downlink data delivered by the base station arrives at the MME;

[0091] S402. The MME initiates a paging message to the base station through the S1 interface;

[0092] S403. After the base station receives the paging message of the S1 port, the base station judges whether the enhanced paging method is applicable to the UE.

[0093] S404. If possible, the eNB will page the UE by carrying the allocated C-RNTI and DL-grant in the paging message.

[0094] S405. In a manner, the DL-grant configures resources for transmission of downlink data, and the base station sends downlink data on the PDSCH resource corresponding to the DL-grant;

[0095] S406. After rec...

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Abstract

The embodiment of the invention provides a data transmission method and a device, a base station, a terminal and a readable storage medium, and the method comprises the steps: transmitting a paging message to the terminal, enabling the paging message to carry a cell radio network temporary identifier (C-RNTI), and then carrying out the transmission of downlink data based on the C-RNTI. Therefore,the transmission of the downlink data is indicated by directly carrying the C-RNTI in the paging message; compared with the prior art in which the paging message is sent first and then the C-RNTI is sent by initiating the initial random access flow, the efficiency is significantly improved, efficient transmission of downlink data is realized, and the terminal power consumption and the wireless resource occupancy rate are also reduced.

Description

technical field [0001] The embodiments of the present invention relate to the communication field, and in particular, to a data transmission method, device, base station, terminal, and readable storage medium. Background technique [0002] In the existing protocol, when the downlink data sent by the base station to the terminal reaches the MME (Mobility Management Entity, mobile management entity), it will trigger the sending of a paging message, and the paging message carries UE (user equipment, terminal) Paging Identity (paging identity). Call ID) (IMSI / S-TMSI), TAI (Tracking Area identity, tracking area identification code) are sent to the base station through the S1 port. The base station calculates the corresponding PO according to the UE Paging Identity carried in the paging message, and sends the paging message on the corresponding PO; after the UE monitors and successfully receives the paging message, it will initiate the initial random access process, and After ent...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W8/28H04W68/02H04W72/12H04W74/08
CPCH04W8/28H04W68/02H04W74/0833H04W72/23Y02D30/70H04W56/0045H04W8/26H04W76/11H04W68/005H04W72/1273H04W56/0005H04W72/21
Inventor 刘旭戴博沙秀斌陆婷
Owner ZTE CORP
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