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Information transmission method and communication device

A communication device and information transmission technology, applied in the field of communication, can solve problems such as handover failure, BBUX2 interface congestion, and large transmission delay of external transmission network, so as to avoid transmission delay and improve transmission performance

Active Publication Date: 2020-08-11
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Limited by the transmission characteristics of the X2 interface, when a large amount of user data is exchanged between BBUs, it is used to cause congestion on the X2 interface between BBUs, and the transmission delay of the external transmission network is relatively large, so the validity and effectiveness of user data and Timeliness has a greater impact and can easily lead to handover failure

Method used

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

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Embodiment Construction

[0047] The terms "first", "second" and the like in the description and claims of the present application and the above drawings are used to distinguish different objects, rather than to limit a specific order.

[0048] In the description of this application, words such as "exemplary" or "for example" are used to mean an example, illustration or illustration. The Jehol embodiments or design solutions described as "exemplary" or "for example" in the embodiments of the present application should not be interpreted as being more preferred or more advantageous than other implementations or design solutions. Rather, the use of words such as "exemplary" or "such as" is intended to present related concepts in a concrete manner.

[0049] Unless otherwise specified, " / " herein generally means that the contextual objects are an "or" relationship, for example, A / B can mean A or B. The term "and / or" is only an association relationship describing associated objects, indicating that there m...

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Abstract

The invention provides an information transmission method and a communication device, relates to the field of communication, and can improve the transmission performance of cooperative information between BBUs. The method comprises the steps that a first BBU obtains first cooperation information to be sent to a second BBU; the first BBU determines a transmission link corresponding to the second BBU according to preset link information, the transmission link comprises a first RRU and a second RRU, the first RRU belongs to the first BBU, the second RRU belongs to the second BBU, and the first RRU and the second RRU are connected through a wired link; and the first BBU sends the first cooperation information to the first RRU so as to send the first cooperation information to the second BBU through the transmission link.

Description

technical field [0001] The present application relates to the communication field, and in particular to an information transmission method and a communication device. Background technique [0002] In the high-speed rail scenario, as the locomotive passes through different cells, a large number of mobile terminals need to perform cell switching frequently, so a large amount of user data needs to be exchanged between the cells. At present, the information exchange between cells is based on the external interface (such as the X2 interface between BBUs) between the baseband units (BBU) of each cell, through the external transmission network (including multiple switches, routers, etc. device) for transmission. Limited by the transmission characteristics of the X2 interface, when a large amount of user data is exchanged between BBUs, it is used to cause congestion on the X2 interface between BBUs, and the transmission delay of the external transmission network is relatively large...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/42H04W36/00H04W56/00H04W84/22
CPCH04W4/42H04W36/0011H04W36/0055H04W56/001H04W84/22H04W92/20H04W36/0009H04W88/085H04W84/005H04B3/52H04W80/02H04W84/042
Inventor 汪波严朝译罗泽宙
Owner HUAWEI TECH CO LTD
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