HARQ feedback method and device, sub-frame configuration method and device, terminal and base station

A technology of subframe configuration and feedback device, which is applied in the direction of transmission path subchannel allocation, signaling allocation, digital transmission system, etc., can solve problems such as resource conflicts, conflicts, and failure to feed back ACK/NACK, and achieve the effect of resolving resource conflicts

Active Publication Date: 2016-08-17
MEIZU TECH CO LTD
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  • Abstract
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  • Claims
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Problems solved by technology

Specific as image 3 As shown, the data sent in subframe 1 should be ACK / NACK feedback in subframe 5, but due to the application of flexible duplexing, subframe 5 is used as a flexible subframe (that is, used as a downlink subframe), so in Subframe 5 will not be able to feed back ACK / NACK, resulting in a collision
[0006] Therefore, how to design a HARQ feedback method suitable for flexible duplex systems to avoid the situation that HARQ feedback cannot be performed due to resource conflicts has become an urgent technical problem to be solved

Method used

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  • HARQ feedback method and device, sub-frame configuration method and device, terminal and base station
  • HARQ feedback method and device, sub-frame configuration method and device, terminal and base station
  • HARQ feedback method and device, sub-frame configuration method and device, terminal and base station

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[0045] In order to understand the above-mentioned purpose, features and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0046] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described here. Therefore, the protection scope of the present invention is not limited by the specific details disclosed below. EXAMPLE LIMITATIONS.

[0047] Figure 4 A schematic flowchart of a HARQ feedback method based on a flexible duplex FDD system according to an embodiment of the present invention is shown.

[0048] Such as Figure 4 As s...

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Abstract

The invention provides a HARQ feedback method and device based on a flexible duplex FDD system, a sub-frame configuration method and device, a terminal and a base station. The HARQ feedback method and device based on the flexible duplex FDD system comprises the following steps: receiving downlink data sent by a base station on a downlink sub-frame m, wherein m is the sub-frame serial number; judging whether the HARQ feedback sub-frame corresponding to the downlink sub-frame m is a flexible sub-frame; if the HARQ feedback sub-frame is the flexible sub-frame, sending response information aiming at the downlink sub-frame m to the base station on a first non-flexible sub-frame after the HARQ feedback sub-frame in an uplink spectrum; if the HARQ feedback sub-frame is the non-flexible sub-frame, sending the response information aiming at the downlink sub-frame m to the base station on the HARQ feedback sub-frame. Through the adoption of the method provided by the invention, the HARQ feedback can be performed in the flexible duplex system, the resource confliction problem in the HARQ indication feedback is effectively solved.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular, to a HARQ feedback method based on a flexible duplex FDD system, a HARQ feedback device based on a flexible duplex FDD system, and a HARQ feedback device based on a flexible duplex FDD system A subframe configuration method, a subframe configuration device based on a flexible duplex FDD system, a terminal and a base station. Background technique [0002] At present, the 5th generation mobile communication system (5G) is being researched in academia and industry, among which UDN (Ultra-Dense Network, ultra-dense network) is an important technology of 5G. UDN refers to the ultra-intensive networking for some scenarios with large data demand and many data connections (such as sports stadiums, railway station waiting halls, office places, etc.) during network deployment, and the connection between access sites The interval may be only tens of meters. [0003] In the UD...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L5/00H04W72/04
CPCH04L5/0055H04W72/0446
Inventor 不公告发明人
Owner MEIZU TECH CO LTD
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