Data transmission method, device and system

A data transmission method and technology for user equipment, applied in the fields of equipment and systems, and data transmission methods, can solve problems such as increasing the number of blind inspections, and achieve the effects of reducing the number of blind inspections and reducing design complexity

Active Publication Date: 2019-02-26
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] Embodiments of the present invention provide a data transmission method, device, and system to solve

Method used

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  • Data transmission method, device and system
  • Data transmission method, device and system
  • Data transmission method, device and system

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Embodiment Construction

[0098] The embodiment of the present invention provides a data sending method, the basic principle of which is: no matter what method the network device uses to send the PDSCH, a unified DCI format is used to indicate the control information of the PDSCH, so that after the user equipment receives the DCI, it only uses the DCI The number of bits corresponding to the format blindly detects the DCI, and receives the PDSCH according to the information contained in the DCI, that is, the user equipment only needs to blindly detect DCI of one format, which reduces the number of blind detection times of the user equipment, thereby reducing the design complexity of the user equipment.

[0099] The implementation of the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0100] The data sending method provided by the embodiment of the present invention can be applied to figure 2 In the communication system shown, the c...

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Abstract

The embodiment of the invention discloses a data transmission method, device and system, and relates to the technical field of communication, so as to solve the problem that the number of blind detections is increased in the existing blind detection of DCI (downlink control information). The specific solution is that the method comprises the steps that a network device sends first DCI to user equipment and second DCI, wherein the first DCI is control information indicating a PDSCH, and the PDSCH indicated by the first DCI is transmitted on the first type of time units including an SS block, the second DCI is also the control information indicating the PDSCH, the PDSCH indicated by the second DCI is sent on the second type of time units which does not include the SS block, the first DCI andthe second DCI have the same DCI format, the first DCI and the second DCI indicate different types of control information, the first DCI carries the first control information, and the second DCI carries the second control information. The embodiment of the present invention is used in a data transmission process.

Description

technical field [0001] Embodiments of the present invention relate to the field of communication technologies, and in particular, to a data sending method, device, and system. Background technique [0002] The fifth generation (5th-generation, 5G) mobile communication system (5G system for short) is currently the most advanced mobile communication technology network. A primary synchronization signal (primary synchronization signal, PSS), a secondary synchronization signal (secondary synchronization signal, SSS) and a physical broadcast channel (pysical broadcast channel, PBCH), a network device (such as a base station) can send the SS to the user equipment through multiple beams (beam). [0003] For example, a 5G system can implement SS transmission by defining a SS cluster set (burst set), where an SS burst set includes one or more SS clusters (burst), an SS burst includes one or more SS blocks, and an SS block Used for the transmission of SS carrying one beam. Such as f...

Claims

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Application Information

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IPC IPC(8): H04L5/00H04W72/04
CPCH04L5/0053H04W72/23
Inventor 贺传峰刘建琴
Owner HUAWEI TECH CO LTD
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