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Method and apparatus for transmitting and acquiring uplink HARQ feedback information

A technology of feedback information and action, applied in the field of communication, can solve problems that affect the delivery of low-latency business data, require high timeliness, and affect user experience, etc.

Active Publication Date: 2017-05-31
BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, different types of data have different delay requirements. For example, URLLC (Ultra Reliable Low Latency Communication, Ultra Reliable Low Latency Communication) service is used in fields that require low delay such as the Internet of Vehicles, and has high requirements for timeliness; However, mMTC (massive Machine Type Communication) services are usually not sensitive to delay, and data can be delivered at long intervals. If the method of transmitting uplink HARQ feedback information provided by related technologies will affect low-time Delay requires the timeliness of sending HARQ feedback information in subframes, which in turn affects the delivery of low-latency service data, thereby affecting user experience

Method used

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  • Method and apparatus for transmitting and acquiring uplink HARQ feedback information
  • Method and apparatus for transmitting and acquiring uplink HARQ feedback information
  • Method and apparatus for transmitting and acquiring uplink HARQ feedback information

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Embodiment Construction

[0108] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present invention. Rather, they are merely examples of apparatuses and methods consistent with aspects of the invention as recited in the appended claims.

[0109] The terminology used in the present disclosure is for the purpose of describing particular embodiments only, and is not intended to limit the present disclosure. As used in this disclosure and the appended claims, the singular forms "a", "the", and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the ...

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Abstract

The invention provides a method and apparatus for transmitting and acquiring uplink HARQ feedback information. The method includes the following steps: acquiring a business priority list; based on the business priority list, binding the HARQ feedback information of a downlink sub-frame from highest priority to lowest priority, generating to-be-transmitted HARQ feedback information; and successively designating an uplink sub-frame to the to-be-transmitted HARQ feedback information, and transmitting the to-be-transmitted HARQ feedback information to a base station. The method of transmitting uplink HARQ feedback information enables a user device to prioritize the transmission of HARQ feedback information of sub-frames having low time-delay requirements to the base station, and when the base station is informed of errors in the transmission of delay-sensitive business, enables the prioritization of re-transmission of downlink sub-frames which carry delay-sensitive business data, thus shortening the delivery of the delay-sensitive business data.

Description

technical field [0001] The present disclosure relates to the field of communication technologies, and in particular to a method and device for transmitting and acquiring uplink HARQ feedback information. Background technique [0002] With the development of wireless communication technology, mobile communication networks are gradually evolving to 5G networks. The 5G network can configure more downlink service types according to user needs. Therefore, in the LTE TDD (Long Term Evoluttion Time Division Duplexing) system of the 5G network, more downlink subframes are configured than uplink subframes. In the data transmission link, when the user equipment sends HARQ (Hybrid Automatic Repeat reQuest, Hybrid Automatic Repeat Request) feedback information to the base station, an uplink subframe for sending HARQ feedback information is required to simultaneously report multiple downlink subframes HARQ feedback information, wherein the HARQ feedback information includes: ACK signal ...

Claims

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Application Information

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IPC IPC(8): H04L1/18H04L5/00H04L12/863H04L12/865H04L47/6275
CPCH04L1/1812H04L5/0064H04L47/622H04L47/6275H04L1/1854H04L1/1864H04L1/1893H04W72/56
Inventor 周珏嘉张明
Owner BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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