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Data transmission control methods, and related devices

A control method and data transmission technology, applied in the field of communication, can solve problems such as inability to schedule uplink subframes, inability to send downlink subframes, and reducing system resource utilization.

Inactive Publication Date: 2016-11-09
SHENZHEN GIONEE COMM EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, under the LBT mechanism, when the channel is occupied, the corresponding downlink subframe cannot be sent, so that the uplink subframe corresponding to the downlink subframe cannot be scheduled, thereby reducing the utilization rate of system resources

Method used

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  • Data transmission control methods, and related devices
  • Data transmission control methods, and related devices
  • Data transmission control methods, and related devices

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Embodiment Construction

[0033] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0034] The embodiment of the present invention provides a data transmission control method and related equipment, which can perform multi-subframe scheduling on the idle PHICH channel without downlink feedback during the uplink HARQ transmission process, so as to support simultaneous scheduling of multiple downlink subframes. The uplink subframe can increase the probability of the uplink subframe being scheduled, improve the signaling efficiency of...

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Abstract

Embodiments of the present invention provide data transmission control methods, and related devices that are applied to a licensed assisted access (LAA) system. The method includes the steps that when an authorized spectrum assists an unauthorized spectrum in uplink scheduling, a base station acquires a to-be-sent target downlink subframe; the base station determines at least one uplink subframe that is scheduled by the target downlink subframe; the base station generates uplink scheduling information according to the at least one uplink subframe, wherein the uplink scheduling information is used for indicating the at least one uplink subframe; and the base station sends the uplink scheduling information to a terminal on a physical hybrid-ARQ indicator channel (PHICH) corresponding to the target downlink subframe. Through adoption of the method, one downlink subframe can schedule multiple uplink subframes, so that system resource use ratio is effectively improved.

Description

technical field [0001] The present invention relates to the field of communication technologies, in particular to a data transmission control method and related equipment. Background technique [0002] With the popularity of user equipment and the sharp increase in communication traffic, licensed spectrum is increasingly insufficient to provide higher network capacity. In order to meet the growing network demand, expanding the use of unlicensed spectrum on the basis of licensed spectrum has become an important feasible direction. The 3GPP (3rd Generation Partnership Project, 3rd Generation Partnership Project) organization proposes an LAA (Licensed Assisted Access, Authorized Assisted Access) technology to use unlicensed spectrum resources with the assistance of licensed spectrum. In order to make the licensed spectrum and unlicensed spectrum coexist better, the LBT (Listen Before Talk) mechanism is introduced in the LAA system, that is, the channel status is monitored befo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04H04W72/12H04L1/18
CPCH04L1/18H04W72/0446H04W72/21H04W72/12
Inventor 王建中
Owner SHENZHEN GIONEE COMM EQUIP
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