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Dynamic configuring method and dynamic configuring devices of HARQ (Hybrid Automatic Repeat reQuest) re-transmission frequency and medium

A technology of retransmission times and dynamic configuration, which is applied in the transmission system, digital transmission system, error prevention/detection using the return channel, etc., can solve the problems of waste of wireless resources, poor flexibility, and increased data transmission delay, etc., to achieve saving Overhead, increase the success rate, reduce the effect of data transmission delay

Active Publication Date: 2019-03-05
CHINA MOBILE COMM LTD RES INST +1
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Problems solved by technology

However, the content of each retransmission by the data sender is random, and the required number of retransmissions is also random. This makes the fixed configuration of the number of HARQ retransmissions inflexible for different application scenarios, resulting in waste of wireless resources. Increased data transmission delay

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  • Dynamic configuring method and dynamic configuring devices of HARQ (Hybrid Automatic Repeat reQuest) re-transmission frequency and medium
  • Dynamic configuring method and dynamic configuring devices of HARQ (Hybrid Automatic Repeat reQuest) re-transmission frequency and medium
  • Dynamic configuring method and dynamic configuring devices of HARQ (Hybrid Automatic Repeat reQuest) re-transmission frequency and medium

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Embodiment Construction

[0045] In order to improve the flexibility of configuring the number of HARQ retransmissions, increase the success rate of data transmission, reduce the overhead of wireless transmission resources, and reduce the delay of data transmission, the embodiments of the present invention provide a method, device and medium for dynamically configuring the number of HARQ retransmissions.

[0046] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention, and in the absence of conflict, the present invention The embodiments and the features in the embodiments can be combined with each other.

[0047] The inventors found that the existing HARQ retransmission times are fixed at 4 times, and the content of each retransmission can only be randomly...

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Abstract

The invention discloses a dynamic configuring method and dynamic configuring devices of HARQ (Hybrid Automatic Repeat reQuest) re-transmission frequency and a medium which are used for dynamically configuring the HARQ re-transmission frequency for different application scenes, improving flexibility of HARQ re-transmission and a data re-transmission success rate, saving wireless resource overheads,and reducing delay time of data re-transmission. The dynamic configuring method of the HARQ re-transmission frequency includes: acquiring HARQ re-transmission configuring reference parameters of first user equipment (UE); and using an established data re-transmission model to determine HARQ re-transmission information, which corresponds to the first UE, according to the HARQ re-transmission configuring reference parameters of the first UE, wherein the re-transmission information includes the re-transmission frequency, and the data re-transmission model is obtained by using HARQ history re-transmission configuring reference parameters of the first UE and / or second UE included in a UE sample set and a history re-transmission information, which corresponds to the first UE and / or the second UE, for training.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a method, device and medium for configuring HARQ retransmission times. Background technique [0002] This section is intended to provide a background or context for implementations of the invention that are recited in the claims. The descriptions herein are not admitted to be prior art by inclusion in this section. [0003] Hybrid Automatic Repeat reQuest (HARQ) is a technology formed by combining Forward Error Correction Coding (FEC) and Automatic Repeat reQuest (ARQ). When the decoding fails, the receiver saves the received data and asks the sender to retransmit the data, and the receiver combines the retransmitted data with the previously received data before decoding. [0004] In the prior art, the number of retransmissions of HARQ is fixedly configured. In the long-term evolution (LTE, Long Time Evolution) mobile communication system, the L2 layer of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/18
CPCH04L1/1819H04L1/1867
Inventor 刘志明李刚张思明
Owner CHINA MOBILE COMM LTD RES INST
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