Method for determining feedback resources and communication equipment

A technology of communication equipment and resource information, applied in the field of communication, can solve problems such as inability to correctly indicate feedback resources, and achieve the effect of ensuring consistent understanding

Pending Publication Date: 2021-08-20
VIVO MOBILE COMM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current DCI design only supports one DCI to schedule one cell. When joint DCI schedules multiple carriers or cells, it cannot correctly indicate the corresponding feedback resources.

Method used

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  • Method for determining feedback resources and communication equipment
  • Method for determining feedback resources and communication equipment
  • Method for determining feedback resources and communication equipment

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0060] Example 1: All scheduled cells have the same SCS, and all scheduled PDSCH slots are the same. Joint DCI schedules N CCs or cells, N is a positive integer greater than or equal to 2, the PDSCH SCSs of N CCs or cells are the same, and the slots of the PDSCHs scheduled on different CCs or cells are the same and they are all located in slot n. The DCI indicates a K, and these scheduled PDSCHs correspond to the same feedback resource at slot n+K.

example 2

[0061] Example 2: All scheduled cells have the same SCS, and the starting point of K is the starting point of joint DCI. Joint DCI schedules N CCs or cells. N is a positive integer greater than or equal to 2. The PDSCH SCSs of N CCs or cells are the same. If the joint DCI located in slot n indicates a K, these scheduled PDSCHs correspond to the same feedback. The resource is located in slot n+K.

[0062] A method for determining feedback resources provided by an embodiment of the present invention transmits feedback resource information, wherein the feedback resource information is used to indicate the target feedback resource corresponding to the joint DCI, and the joint DCI schedules multiple carriers or cells. The joint DCI can correctly indicate the corresponding feedback resources when scheduling multiple carriers or cells, and ensure that the network device and the UE have the same understanding of the feedback resources.

[0063] In addition, in a method for determinin...

example 3

[0105] Example 3: K and / or PUCCH resource sets are respectively configured for different scheduled CCs or cells. Joint DCI schedules N CCs or cells, and N is a positive integer greater than or equal to 2, then N K is carried in the joint DCI. For each scheduled CC or cell, the corresponding time domain position of K corresponding to the CC or cell is The temporal location of the feedback resource.

[0106] Further optionally, K,i in the joint DCI corresponds to the scheduled CC or cell i, and the PDSCH on the joint DCI scheduling CC or cell i is located in slot ni, then the HARQ-ACK corresponding to the PDSCH corresponds to ni+K,i time-domain position feedback. Optionally, the joint DCI carries N PUCCH resource ids, and the PUCCH id,i in the joint DCI corresponds to the scheduled CC or cell i, then the HARQ-ACK corresponding to the PDSCH on the joint DCI scheduling CC or cell i is in the PUCCH id,i Corresponding resource feedback.

[0107] In another implementation manner, ...

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PUM

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Abstract

The embodiment of the invention discloses a method for determining feedback resources and communication equipment, which are used for correctly indicating the feedback resources corresponding to joint DCI. The method is executed by a communication device, and the method comprises: transmitting feedback resource information, wherein the feedback resource information is used for indicating a target feedback resource corresponding to a joint DCI, and the joint DCI scheduling a plurality of carriers or cells.

Description

technical field [0001] The embodiments of the present invention relate to the communication field, and in particular, to a method for determining feedback resources and a communication device. Background technique [0002] In consideration of enhancing control channel coverage, cells are generally deployed on carriers in low frequency bands. However, the bandwidth of the low-frequency carrier is usually insufficient and has been deployed in large quantities in other systems, such as the Long Term Evolution (LTE) system, and the downlink signaling overhead of the cell accounts for a large proportion, which affects the system capacity. [0003] Based on this, the new air interface (New Radio, NR) supports a downlink control information (Downlink Control Information, DCI) to simultaneously schedule multiple carriers (Component Carrier, CC) or cell design, that is, joint DCI (joint DCI) to reduce downlink control Signaling overhead. However, the current DCI design only support...

Claims

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Application Information

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IPC IPC(8): H04L5/00H04W72/12
CPCH04L5/0053H04W72/23H04W72/12H04L5/00
Inventor 刘思綦纪子超潘学明李根沈晓冬
Owner VIVO MOBILE COMM CO LTD
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