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Data transmission method, device and system

A technology of data transmission and data transmission module, which is applied in the field of data transmission, and can solve problems such as increased latency of UE data transmission and reception, and limited network deployment scenarios

Inactive Publication Date: 2018-04-03
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Through the above scenario description, it is not difficult to find that the time relationship between the transmission and feedback of the current HARQ process is fixed, which will lead to scenarios that limit network deployment.
For different services, due to different delay requirements, the UE's data sending and receiving delay will increase

Method used

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  • Data transmission method, device and system
  • Data transmission method, device and system
  • Data transmission method, device and system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0178] See Figure 4 , Which shows a data transmission method provided by an embodiment of the present invention, which is applied to the network side, and the method may include:

[0179] S401: The network side receives the capability information reported by the UE;

[0180] Exemplarily, the capability information reported by the UE may include at least one of the following:

[0181] The feedback delay of UE receiving data;

[0182] Data processing delay of the UE;

[0183] The UE supports configurable HARQ feedback and / or retransmission indication.

[0184] It should be noted that the indication that the UE supports configurable HARQ feedback and / or retransmission is used to indicate whether the UE has the ability to support configurable HARQ feedback and / or retransmission; for example, when the UE supports configurable HARQ feedback and / or retransmission; When the UE does not support configurable HARQ feedback and / or retransmission, the indicator can be set to 0.

[0185] S402: The ne...

Embodiment 2

[0221] Based on the same technical idea as the foregoing embodiment, see Figure 5 , Which shows a data transmission method provided by an embodiment of the present invention, which is applied to the UE side, and the method may include:

[0222] S501: The UE sends its own capability information to the network side;

[0223] S502: The UE receives the configuration instruction information sent by the network side;

[0224] S503: The UE receives data sent by the network side according to the configuration indication information; or sends data to the network side according to the configuration indication information.

[0225] Exemplarily, the capability information sent by the UE may include at least one of the following:

[0226] The feedback delay of UE receiving data;

[0227] Data processing delay of the UE;

[0228] The UE supports configurable HARQ feedback and / or retransmission indication.

[0229] It should be noted that the indication that the UE supports configurable HARQ feedback an...

Embodiment 3

[0264] Based on the same technical idea of ​​the foregoing embodiment, this embodiment uses the following specific embodiments to illustrate the technical solution of the foregoing embodiment.

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Abstract

Embodiments of the invention disclose a data transmission method, device and system. The method may include: a network side receives capability information reported by a UE; the network side transmitsconfiguration indication information to the UE based on at least one of the capability information of the UE and a current service type of the UE acquired in advance; and the network side sends datato the UE according to the configuration indication information, or receives data sent by the UE according to the configuration indication information.

Description

Technical field [0001] The present invention relates to wireless communication technology, in particular to a method, equipment and system for data transmission. Background technique [0002] A complete Hybrid Automatic Repeat Request (HARQ, Hybrid Automatic Repeat Request) process The loop time (RTT, Round Trip Time) required from transmission to feedback includes a total of 8 transmission time intervals (TTI, Transmission Time Interval) ,Such as figure 1 As shown, eNB processing data time (1.5TTI); eNB transmission data delay (1TTI); UE processing data time (1.5TTI); UE processing feedback time (1.5TTI); UE transmission feedback time (1TTI); eNB Processing feedback time (1.5TTI). In order to avoid conflicts between newly transmitted data and retransmitted data, the number of HARQ processes can be limited to the number of HARQ RTTs. [0003] Currently, the time relationship between transmission and feedback through the HARQ process is fixed. However, for the HARQ process of cro...

Claims

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Application Information

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IPC IPC(8): H04L1/18H04W72/04H04W72/12
CPCH04L1/1806H04W72/044H04W72/1215H04W72/1221H04W72/04H04W72/12H04L1/1825H04L1/1854H04L1/1896H04L1/1864H04L1/1812H04L5/0035H04L5/0055H04W72/51
Inventor 吴昱民赵亚军
Owner ZTE CORP
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