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A kind of information sending and receiving method, device and information transmission system

A technology for sending and configuring information, which is applied in the field of communication and can solve problems such as inaccurate reception of information

Active Publication Date: 2019-05-21
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Embodiments of the present invention provide an information sending and receiving method, device and information transmission system to solve the problem in the prior art that the information sent by the eNB cannot be accurately received when the UE is located at the edge of the cell

Method used

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  • A kind of information sending and receiving method, device and information transmission system
  • A kind of information sending and receiving method, device and information transmission system
  • A kind of information sending and receiving method, device and information transmission system

Examples

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Comparison scheme
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Embodiment 1

[0132] figure 1 The information sending process provided for the embodiment of the present invention specifically includes the following steps:

[0133] S101: at least two eNBs obtain information to be delivered to the UE.

[0134] In the embodiment of the present invention, the information to be issued to the UE includes but not limited to paging messages, handover commands, and other signaling messages. ) to obtain the information to be delivered to the UE, or to obtain the information to be delivered to the UE through the interaction between the at least two eNBs, or to generate the information to be delivered to the UE by itself. Wherein, the at least two eNBs may be eNBs of cells in one TA, or eNBs in a pre-configured area containing at least two eNBs, which is not limited in the present invention. It can be understood that the eNB in ​​the embodiment of the present invention may be replaced by a cell, which is not limited in the present invention.

[0135]S102: Use th...

Embodiment 2

[0148] The second embodiment takes the scenario where each eNB sends a paging message to the UE as an example, and describes the information sending and receiving method provided by the embodiment of the present invention in detail, as shown in image 3 shown.

[0149] image 3 The paging message sending process provided by the embodiment of the present invention specifically includes the following steps:

[0150] S301: At least two eNBs receive configuration information sent by a network management entity, where the configuration information carries first scrambling code information and parameter information for determining a sending time for sending a paging message.

[0151] In the embodiment of the present invention, the network management entity may issue configuration information carrying the first scrambling code information and parameter information for determining the sending time to each eNB in ​​advance. Specifically, the network management entity may issue config...

Embodiment 3

[0175] The third embodiment takes the scenario where each eNB issues a handover command to the UE as an example, and describes the information sending and receiving method provided by the embodiment of the present invention in detail, as shown in Figure 5 shown.

[0176] Figure 5 The handover command sending process provided by the embodiment of the present invention specifically includes the following steps:

[0177] S501: The eNB of the source cell delivers the second scrambling code information to the UE for storage.

[0178] In the embodiment of the present invention, the cell currently serving the UE is the source cell, and the cell to which the UE is to be handed over is the target cell. The source cell eNB may deliver the second scrambling code information to the UE at any time during serving the UE, where the second scrambling code information is pre-stored by the source cell eNB.

[0179] S502: The source cell eNB generates handover preparation request informatio...

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PUM

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Abstract

An information sending and receiving method, device and information transmission system are used to solve the problem in the prior art that the information sent by the eNB cannot be accurately received when the UE is located at the cell edge. In the method, at least two eNBs obtain the information to be delivered to the UE, use the same scrambling code to scramble the information to be delivered to the UE, and deliver the scrambled information to the UE at the same time. In the above method, at least two eNBs send the information scrambled with the same scrambling code to the UE at the same time, so that the UE can receive at least two pieces of information scrambled with the same scrambling code. Therefore, compared to In the prior art, the UE can only receive one scrambled information method. The above method provided by the embodiment of the present invention can improve the accuracy of receiving the information sent by the eNB when the UE is located at the cell edge.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to an information sending and receiving method, device and information transmission system. Background technique [0002] At present, in a wireless communication system, frequent information sending and receiving is often required between a base station (evolved Node B, eNB) and a user equipment (User Equipment, UE). [0003] For example, when the UE is called, each eNB in ​​the tracking area (Tracking Area, TA) where the UE is located needs to broadcast a paging message carrying the identity of the UE, and the UE receives the paging message carrying its own identity , then return a paging response and establish a session connection; or, when the system information of a certain cell (including the frequency point, access resources, etc.) of the cell changes, the eNB of the cell needs to broadcast the updated system information of the cell After receiving the paging message, ...

Claims

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Application Information

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IPC IPC(8): H04W88/12
CPCH04L1/00H04W88/12H04W36/142H04B7/022H04W72/23H04B7/024H04W36/14H04W72/0466
Inventor 权威张戬胡振兴
Owner HUAWEI TECH CO LTD