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Information transmission method and device

A technology of information transmission and equipment, which is applied in the field of communication, can solve problems such as errors in user-side equipment feedback information, and achieve the effect of improving feedback reliability

Active Publication Date: 2021-10-22
VIVO MOBILE COMM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides an information transmission method and equipment to solve the problem that the feedback information of the user side equipment may be wrong when the DCI reception fails

Method used

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  • Information transmission method and device
  • Information transmission method and device
  • Information transmission method and device

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Embodiment Construction

[0037] In order to make the objects, technical solutions, and advantages of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0038] In carrying out the description of the embodiments of the present invention, some of the concepts used in the following description are first explained.

[0039] HARQ-ACK (Hybrid Automatic Repeat Request Acknowledge, Hybrid Automatic Revision Request) Codebook:

[0040] The HARQ-ACK bit (BIT) information corresponding to a TB (Transport Block) is 1bit, which represents ACK if it is 1, if 0 indicates NACK (Negative Acknowledge, negative confirmation). If the base station sends a plurality of TBs, and the base station indicates that the user feeds back these TBs to the base station on the same resource, the user can follow the codebook specified in the protocol, Use a new HARQ-ACK information, such as a Bitmap, and report to the base station.

[0041] l...

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PUM

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Abstract

The invention provides an information transmission method and equipment, and relates to the technical field of communication. The information transmission method comprises the following steps: acquiring first downlink control information (DCI), wherein the first DCI carries counting information, wherein the counting information comprises at least one of the following items: counting information of the joint scheduling DCI, counting information of the single scheduling DCI, and unified counting information of the joint scheduling DCI and the single scheduling DCI, and the first DCI is the DCI for scheduling uplink data. According to the embodiment of the invention, the first DCI carries at least one of the counting information of the joint scheduling DCI, the counting information of the single scheduling DCI and the unified counting information of the joint scheduling DCI and the single scheduling DCI, and assists the user side equipment in determining the number or the number of the DCI so as to determine the feedback information, thereby ensuring that the user side equipment and network side equipment have consistent understanding on the feedback information, and improving the feedback reliability.

Description

Technical field [0001] The present invention relates to the field of communication technologies, and more particularly to one information transmission method and device. Background technique [0002] The 5G NR system supports configuring one or more CC (Component Carrier, carrier unit) or cells for the terminal. When the terminal is configured as a single carrier mode or CA (Carrier Aggance, carrier aggregation), each CC or cell can be configured with a plurality of CoreSet (Control Resource Set, Control Resource Set), and multiple SS (SEARCH SPACE, Search space). The network can configure the number of blind inspections for each search space, the terminal according to the configured Corenet and SS, by using various Radio NetWork Temporary Identifier, Wireless Network Temporary Identification) Blind Test PDCCH (Physical Downlink Control Channel, Physical Downlink Control) Channel, demodulate DCI (DownLink Control Information, downlink control information), get scheduling informat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/18H04L5/00
CPCH04L1/1809H04L5/0053H04W72/232H04W72/1268H04L1/1887H04L1/1864H04W72/23
Inventor 刘思綦纪子超潘学明李根
Owner VIVO MOBILE COMM CO LTD
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