Information sending and receiving method and device, and storage medium

A technology for sending and receiving information, which is applied in the field of communication, and can solve problems such as not supporting data transmission, insufficient discussion of joint transmission, etc.

Active Publication Date: 2021-10-15
ZTE CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In the current version of NR (New Radio, new wireless technology) Release-15, the joint transmission of multiple TRPs (Transmission Receive Points, transmission nodes) has not been fully discussed, especially when there is no dynamic interaction between multiple TRPs. There are few discussions in the scenario, so the current version of NR does not support the scheme of data transmission by multiple TRPs to the same user

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  • Information sending and receiving method and device, and storage medium
  • Information sending and receiving method and device, and storage medium
  • Information sending and receiving method and device, and storage medium

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Embodiment Construction

[0033] Embodiments of the application will be described below with reference to the accompanying drawings. The present application is described below in conjunction with the accompanying drawings of the embodiments, and the examples given are only used to explain the present application, and are not intended to limit the scope of the present application.

[0034] In the NR Release-15 version, the scheme of multi-point transmission Multi-TRP is not considered, that is, multiple TRPs transmit data to the same user. Such as figure 1 As shown, both TRPs transmit data to the same user UE. It should be noted that the two TRPs may transmit data to the UE in the same time unit, or may transmit data to the UE in different time units.

[0035] In the scenario where there is an ideal backhaul link Ideal Backhaul between TRP0 and TRP1, the Serving Cell of the UE (assumed to be TRP0) can send PDCCH to schedule multiple data streams, that is, multiple transmission layers; when actually se...

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Abstract

The invention provides an information sending and receiving method and device and a storage medium. The method comprises the following steps: establishing an association relationship among parameters configured to user equipment (UE), wherein the parameters with the association relationship belong to the same parameter group; wherein the parameters configured to the UE comprise configuration parameters of a physical downlink control channel (PDCCH); the configuration parameters comprise a control resource set; in one bandwidth part BWP, demodulation reference signal ports in a physical downlink shared channel (PDSCH) corresponding to different parameter groups are different; wherein the time-frequency domain resources of the PDSCH corresponding to the different parameter groups are mutually overlapped; and sending the information of the parameter group to the UE. According to the invention, a new signaling design is provided for a plurality of TRPs in a scene without an ideal backhaul link Idea Backhau, so as to support a multi-DCI scheduling scheme.

Description

[0001] This application is a divisional application of a patent application with an application date of August 8, 2018, an application number of 201810897926.3, and an invention titled "Information sending / receiving method, device, equipment, and readable storage medium". technical field [0002] The present application relates to the communication field, and in particular to an information sending and receiving method, device and storage medium. Background technique [0003] In the current version of NR (New Radio, new wireless technology) Release-15, the joint transmission of multiple TRPs (Transmission Receive Points, transmission nodes) has not been fully discussed, especially when there is no dynamic interaction between multiple TRPs. There are few discussions in the scenario, so the current version of NR does not support the scheme of data transmission by multiple TRPs to the same user. Contents of the invention [0004] In view of this, the embodiment of the present...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/12H04L5/00
CPCH04L5/0048H04W72/23H04W72/0453H04W80/02H04B7/0695H04L5/001H04L5/0094H04L5/0044H04L5/0051H04L5/0053H04W72/0446H04W72/53
Inventor 蒋创新张淑娟鲁照华肖华华闫文俊吴昊
Owner ZTE CORP
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