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Method for indicating and determining start sending timing of sub-frame, base station and user equipment

A technology for sending timing and user equipment, which is applied in the field of mobile communication, and can solve the problem that the instruction signaling cannot indicate the initial sending timing, etc.

Inactive Publication Date: 2018-02-23
NTT DOCOMO INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Therefore, whether it is single-frame scheduling or multi-frame scheduling, there is a problem that the indication signaling for the start transmission timing of PUSCH cannot indicate every possibility of the actual start transmission timing of PUSCH transmission

Method used

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  • Method for indicating and determining start sending timing of sub-frame, base station and user equipment
  • Method for indicating and determining start sending timing of sub-frame, base station and user equipment
  • Method for indicating and determining start sending timing of sub-frame, base station and user equipment

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Embodiment Construction

[0032] In order to make the objects, technical solutions, and advantages of the present disclosure more apparent, exemplary embodiments according to the present disclosure will be described in detail below with reference to the accompanying drawings. Apparently, the described embodiments are only some of the embodiments of the present disclosure, rather than all the embodiments of the present disclosure, and it should be understood that the present disclosure is not limited by the exemplary embodiments described here. Based on the embodiments of the present disclosure described in the present disclosure, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present disclosure.

[0033] figure 1 is a schematic diagram of a system applying the method for indicating and determining the start transmission timing of a subframe according to an embodiment of the present disclosure. Such as figure 1 As shown...

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Abstract

The invention provides a method for indicating and determining start sending timing of a sub-frame for a physical uplink shared channel, a base station and user equipment. The method comprises the following steps: receiving downlink control information from the base station, wherein the downlink control information contains indication information about the start sending timing, and the listening before talking LBT type; determining the structure of the former sub-framer of the current sub-frame; and determining the start sending timing of the current sub-frame from four different timings basedon the indication information, the LBT type and the structure of the former sub-frame.

Description

technical field [0001] The present disclosure relates to the field of mobile communication, and more particularly to a method for determining the start transmission timing of a subframe used for a physical uplink shared channel in a user equipment, and for indicating in a base station that the subframe used for the physical uplink A method for starting transmission timing of a subframe of a channel shared channel, a base station and a user equipment. Background technique [0002] In the enhanced Licensed Assisted Access (eLAA) technology researched in recent years, the start transmission timing of the Physical Uplink Shared Channel (Physical Uplink Shared Channel, PUSCH) transmission is under discussion. [0003] In the current Third Generation Partnership Project (Third Generation Partnership Project, 3GPP) agreement, the indication signaling for the PUSCH start transmission timing has only one bit, which is used to indicate that the PUSCH transmission in the uplink subfram...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00H04W72/04H04W72/12
CPCH04L1/0023H04W72/0446H04W72/23H04L1/00H04W72/04H04W56/001H04W72/21H04W74/0808
Inventor 王静刘柳蒋惠玲原田浩树
Owner NTT DOCOMO INC