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Feedback information receiving method, apparatus and system, and feedback information sending method, apparatus and system

A technology of feedback information reception and feedback information, which is applied in the field of communication, can solve the problems that the HARQ feedback mechanism is not suitable for the feedback mechanism, and achieve the effects of simplifying processing logic, improving transmission efficiency, and saving transmission resources

Active Publication Date: 2018-07-31
XFUSION DIGITAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problem that the HARQ feedback mechanism in the current LTE system is not suitable as a feedback mechanism for UL grant free transmission, the embodiment of the present application provides a feedback information receiving method, sending method, device and system

Method used

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  • Feedback information receiving method, apparatus and system, and feedback information sending method, apparatus and system

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Embodiment Construction

[0091] "First", "second" and similar words mentioned herein do not indicate any order, quantity or importance, but are only used to distinguish different components. Likewise, words like "a" or "one" do not denote a limitation in quantity, but indicate that there is at least one. Words such as "connected" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

[0092] The "module" mentioned in this article usually refers to the program or instruction that can realize certain functions stored in the memory; the "unit" mentioned in this article usually refers to a functional structure divided according to logic, and the "unit" It can be implemented by pure hardware, or a combination of software and hardware.

[0093] The "plurality" mentioned herein means two or more. "And / or" describes the association relationship of associated objects, indicating that there may be three types of relationships,...

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Abstract

The invention discloses a feedback information receiving method, apparatus and system, and a feedback information sending method, apparatus and system, and belongs to the field of communications. Themethod comprises the following steps: transmitting, by a terminal, uplink data on a first time unit; when the terminal does not receive the feedback information of the uplink data on any time unit ofthe first time unit set, determining that the uplink data are correctly received, wherein the first time unit set comprises at least one time unit behind the first time unit. By adoption of the invention, the problem that the HARQ feedback mechanism in the LTE system is not suitable for serving as a feedback mechanism of UL grant free transmission is solved; an access network device does not needto send acknowledgment response to the terminal, so that the terminal determines that the uplink data are correctly received by the access network device, and the transmission resource consumed by transmitting the acknowledgment response to the terminal when the access network device correctly receive the uplink data is saved.

Description

technical field [0001] The present application relates to the communication field, and in particular to a feedback information receiving method, sending method, device and system. Background technique [0002] In the Hybrid Auto Repeat Request (HARQ) mechanism, the feedback information refers to the information that the access network device feeds back to the terminal after receiving the uplink data sent by the terminal. The feedback information is used to indicate whether the access network device has correctly received the uplink data sent by the terminal. The feedback information usually includes an acknowledgment (Acknowledgment, ACK) and a non-acknowledgment (Non-Acknowledgment, NACK). Wherein, ACK is used to indicate that the access network has correctly received the uplink data sent by the terminal, and NACK is used to indicate that the access network equipment has not correctly received the uplink data sent by the terminal. [0003] In the Long Term Evolution (LTE)...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/16H04L1/18H04L1/00H04W72/04
CPCH04L1/0026H04L1/1607H04L1/1809H04W72/23
Inventor 郑娟李超君官磊马莎
Owner XFUSION DIGITAL TECH CO LTD