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Harq feedback method, device, user equipment and base station

A feedback method and base station technology, applied in the field of communication, can solve the problems of eMBB data transmission errors, discarding URLLC data, etc.

Active Publication Date: 2019-08-06
BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, if service preemption occurs, for example, when URLLC service comes when eMBB service has already started transmission or is about to start transmission, URLLC will preempt eMBB transmission time-frequency resources, causing the original eMBB service to fail when HARQ feedback Falsely assumes that eMBB data transmission is wrong, thus discarding useful URLLC data

Method used

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  • Harq feedback method, device, user equipment and base station
  • Harq feedback method, device, user equipment and base station
  • Harq feedback method, device, user equipment and base station

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Embodiment Construction

[0095]The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0096] figure 1 is a flow chart of a HARQ feedback method shown in an exemplary embodiment of the present application. This embodiment is described from the UE side, as figure 1 As shown, the HARQ feedback method includes the following steps:

[0097] In step S101, the first service data transmission sent by the base station is received, the scheduling control data of the first service data transmission carries indication information, and the indication information is used to explic...

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Abstract

The present disclosure relates to a HARQ feedback method and device, a method and device for sending indication information, user equipment, a base station, and a computer-readable storage medium. Wherein, the method of the HARQ feedback method includes: receiving the first service data transmission sent by the base station, and the scheduling control data of the first service data transmission carries indication information, and the indication information is used to explicitly indicate or implicitly indicate the preemption of the second service data The transmission resource of the first service data or the second service data preempts the transmission resource position of the first service data; according to the indication information, the second service data preempting the transmission resource is retained in the cache, and the HARQ feedback of the first service data is generated information; sending HARQ feedback information to the base station. In the embodiment of the present disclosure, the second service data preempting the transmission resource is retained in the buffer according to the instruction information, so that useful second service data will not be discarded during the transmission of the first service data.

Description

technical field [0001] The present disclosure relates to the field of communication technologies, and in particular to a hybrid automatic repeat request (HARQ) feedback method and device, a method and device for sending indication information, user equipment, a base station, and a computer-readable storage medium. Background technique [0002] With the development of communication technology, the fifth generation of mobile communication technology (5th Generation, 5G for short) appears. The current business types of 5G include at least enhanced Mobile Broadband (eMBB for short), massive Machine Type Communication (mMTC for short), and Ultra Reliable Low Latency Communication (Ultra Reliable Low Latency Communication for short). URLLC) and many other types. These services are all data services, but they have different requirements for latency and reliability. For example, URLLC services are used in fields that require low latency, such as Internet of Vehicles, and have high ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/18H04L1/16H04W72/04H04W72/12
CPCH04L1/1607H04L1/1812H04L1/1835H04W72/23H04L1/1864H04L1/1854H04L1/1671H04L1/0018H04L5/0053H04L5/0094H04W72/0466H04W28/04
Inventor 周珏嘉
Owner BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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