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A method and device for sending a paging message

A technology of paging message and sending method, applied in the direction of wireless communication, electrical components, etc., can solve the problem of no solution and so on

Inactive Publication Date: 2020-12-04
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Since in practical applications, the transmission delay of the F1 interface is not fixed, but changes with the load, in this case, there is no corresponding solution for how the CU sends paging messages

Method used

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  • A method and device for sending a paging message
  • A method and device for sending a paging message
  • A method and device for sending a paging message

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Embodiment Construction

[0085] For ease of understanding, an illustration of concepts related to the embodiments of the present application is given for reference, as follows:

[0086] The core network (core network, CN) may be the EPC in the fourth-generation wireless access system Long Term Evolution (LET), or the fifth-generation wireless access system new air interface (NEW Raio, NR). The NGC may even be the core network in other radio access technologies (Radio Access Technology, RAT). The RAT generally refers to second-generation and third-generation radio access technologies, such as GSM, WCDMA, TDSCDMA, and CAMA2000.

[0087] The central unit (CU) is connected to the CN and the distributed unit (DU) respectively. In the downlink communication link, it is used to receive data from the CN and send it to the DU. In the uplink communication link, use It is used to receive data from DU and send it to CN. At the same time, the CU has a centralized control function for the DU. In different communica...

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Abstract

The invention discloses a method and device for transmitting a paging message. The method includes the steps that a first network device (concentration unit CU) transmitting a first message to a second network device (distribution unit DU), wherein the first message includes a first RRC paging message and first paging time information, and the first RRC paging message includes the identifier information of a first terminal device, and the first paging moment information is used to indicate the moment when the second network device sends the first RRC paging message; the network device sends asecond message to the second network device, wherein the second message includes a second RRC paging message and second paging time information, the second RRC paging message includes the identifier information of a first terminal device and the identifier information of a second terminal device, the second paging time information is used to indicate the time when the second network device sends the second RRC paging message, and the first paging moment and the second paging moment are the same. According to the method of the embodiment of the present application, it is possible to page the terminal device under the framework of the distribution unit and the concentration unit.

Description

technical field [0001] The embodiments of the present application relate to the technical field of wireless communication, and in particular, to a method and device for sending a paging message. Background technique [0002] Currently, in LTE Rel-15 and 5G NR evolution, such as figure 1 As shown, a new network architecture is proposed. Under the network architecture, the functions of the base station are divided into two units: a central unit (central unit, CU) and a distributed unit (distributed unit, DU). Among them, the CU handles the functions of the wireless high-level protocol stack, such as the radio resource control (radio resource control, RRC) layer and the packet data convergence protocol (packet data convergence protocol, PDCP) layer, etc.; the DU handles the physical layer of the baseband processing and the part of layer 2 Protocol stack functions, for example, a radio link control (radio link control, RLC) layer, a media access control (media access control, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W68/00H04W68/02H04W92/10
CPCH04W68/005H04W68/02H04W92/10
Inventor 权威王燕张戬
Owner HUAWEI TECH CO LTD
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