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Feedback information processing method, base station and user equipment

A technology for feedback information and user equipment, applied in the field of communication, can solve the problem of not being able to support a single uplink transmission chain well, restricting the use of flexible subframes, etc.

Active Publication Date: 2018-11-06
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Due to the introduction of the above-mentioned new technologies in the small cell, if the HARQ feedback with the fixed timing relationship of LTE is still used in the small cell, it will limit the use of flexible subframes, false uplink subframes, and fast carrier switching, and cannot perform well. UEs that support a single uplink transmit chain capability

Method used

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  • Feedback information processing method, base station and user equipment
  • Feedback information processing method, base station and user equipment
  • Feedback information processing method, base station and user equipment

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Embodiment Construction

[0111] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0112] In order to make the embodiment of the present invention clearer, the following technologies are briefly described first:

[0113] Technologies for ensuring reliability in existing systems include HARQ technology at the Media Access Control (MAC) layer and Automatic Repeat Request (ARQ) technology at the Radio Link Control (RLC) layer ...

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Abstract

Embodiments of the present invention provide a method for processing feedback information, a base station, and user equipment. The method includes that the base station determines a feedback mode of HARQ feedback information, and the feedback mode includes: feeding back HARQ feedback information, or not feeding back HARQ feedback information; the base station sends a first signaling to the user equipment, and the first signaling carries A feedback manner of the HARQ feedback information. The embodiment of the present invention can improve the HARQ mechanism to more effectively support the new technology in the small cell.

Description

technical field [0001] The present invention relates to communication technology, in particular to a method for processing feedback information, a base station and user equipment. Background technique [0002] With the development of mobile communications, a series of miniaturized base stations have been introduced, including Femtocells, Picocells, Metrocells, and Microcells. These technologies can be collectively referred to as small cells ( Small Cell). [0003] In a small cell, in order to match instantaneous uplink and downlink traffic, flexible subframes (flexible subframes) are introduced, and each flexible subframe can be dynamically configured as an uplink subframe or a downlink subframe. In a small cell, a fake uplink subframe (fake uplink subframe) is introduced, that is, no uplink data is sent in the subframe. In a small cell, in order to match service requirements and interference changes, user equipment (User Equipment, UE) can quickly switch between different...

Claims

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Application Information

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IPC IPC(8): H04L1/18
CPCH04L1/1685H04L1/1825H04L1/1854H04L1/1864H04L1/203H04W52/146H04W52/248H04W52/20H04L1/1861H04L5/0053H04W52/262H04W72/21H04W72/542
Inventor 李超君马莎吴强
Owner HUAWEI TECH CO LTD