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Method, device and system for sending ultralow-delay transmission information

An ultra-low-latency, information-transmitting technology, applied in wireless communication, electrical components, etc., can solve problems such as the inability to allocate resources to UEs, and achieve the effect of reducing delay

Inactive Publication Date: 2017-03-22
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The problem addressed by the present invention is that after the introduction of multiple TTI length technologies, in the existing LTE system, during the inter-eNodeB handover process of the UE, since the handover target eNodeB cannot obtain the TTI information of the UE in time, it cannot allocate the TTI information for the UE as soon as possible. resource

Method used

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  • Method, device and system for sending ultralow-delay transmission information
  • Method, device and system for sending ultralow-delay transmission information
  • Method, device and system for sending ultralow-delay transmission information

Examples

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Embodiment 1

[0088] Embodiment 1: During handover between eNodeBs through the X2 interface, HANDOVER REQUEST carries TTI information, and the handover target eNodeB does not modify the TTI.

[0089] figure 1 It is the flowchart of this embodiment.

[0090] Step 101: The handover source eNodeB triggers the UE to perform measurement through measurement control.

[0091] Step 102: UE performs measurement according to the measurement control, and reports the measurement result to the handover source eNodeB.

[0092] Step 103: The handover source eNodeB triggers a measurement decision according to the UE's measurement report, and if any cell satisfies the handover condition, go to step 104.

[0093] Step 104: The handover source eNodeB initiates a handover request (HANDOVER REQUEST) to the handover target eNodeB. The handover request message carries ultra-low-latency transmission information, including the TTI expected to be used by the UE. The expected TTI can be the current TTI of the UE. ...

Embodiment 2

[0102] Embodiment 2: The TTI information is carried during handover between eNodeBs through the X2 interface, the handover target eNodeB can modify the TTI according to the actual situation, and the handover source eNodeB obeys the change of the TTI.

[0103] figure 2 It is the flowchart of this embodiment.

[0104] Step 201: The handover source eNodeB triggers the UE to perform measurement through measurement control.

[0105] Step 202: UE performs measurement according to the measurement control, and reports the measurement result to the handover source eNodeB.

[0106] Step 203: The handover source eNodeB triggers a measurement decision according to the UE's measurement report, and if any cell satisfies the handover condition, go to step 204.

[0107] Step 204: The handover source eNodeB initiates a handover request (HANDOVER REQUEST) to the handover target eNodeB. The handover request message carries ultra-low-latency transmission information, including the TTI expected...

Embodiment 3

[0116] Embodiment 3: The TTI information is carried during eNodeB handover between eNodeBs through the X2 port. The handover target eNodeB can modify the TTI according to the actual situation, and the decision of the handover source eNodeB does not follow the change of the TTI.

[0117] image 3 It is the flowchart of this embodiment.

[0118] Step 301: The handover source eNodeB triggers the UE to perform measurement through measurement control.

[0119] Step 302: UE performs measurement according to the measurement control, and reports the measurement result to the handover source eNodeB.

[0120] Step 303: The handover source eNodeB triggers a measurement decision according to the UE's measurement report, and if any cell meets the handover condition, go to step 404.

[0121] Step 304: The handover source eNodeB initiates a handover request (HANDOVER REQUEST) to the handover target eNodeB. The handover request message carries ultra-low-latency transmission information, inc...

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Abstract

The invention provides a method, device and system for sending ultralow-delay transmission information. The method comprises the step of sending the ultralow-delay transmission information of a terminal through a handover process signal. When handover preparation is carried out by UE in a long term evolution system, the ultralow-delay transmission information is sent to a handover target eNodeB, thereby facilitating resource allocation of the target eNodeB.

Description

technical field [0001] The invention relates to the field of wireless communication, in particular to a method, device and system for sending ultra-low delay transmission information. Background technique [0002] In the process of implementing the technical solutions implemented in the present application, the inventors of the present application at least found the following technical problems in the related technologies: [0003] Service transmission delay has always been an important service index that wireless network operators pay attention to, and directly affects the service experience of end users. With the rapid development of mobile Internet applications, remote control, Internet of Vehicles, virtual reality and other Internet of Things and related services have put forward further strict requirements on the service transmission delay in mobile networks. Therefore, low-latency transmission of services has become an important research topic in the fifth generation ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/00H04W36/08H04W36/16
CPCH04W36/0072H04W36/08H04W36/16H04W36/0064
Inventor 王绍江戴谦
Owner ZTE CORP