Method and apparatus for system message transmission

A system message and transmission method technology, applied in the field of system message transmission methods and devices, can solve problems such as service interruption and delay, and achieve the effect of reducing delay and maintaining business continuity

Inactive Publication Date: 2017-08-11
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] For this reason, the base station releases the terminal in the RRC connection state to the RRC idle state, and the terminal in the idle state receives the system message for the coverage enhancement mode, which will cause service interruption and delay

Method used

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  • Method and apparatus for system message transmission
  • Method and apparatus for system message transmission
  • Method and apparatus for system message transmission

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Embodiment Construction

[0043] The embodiment of the present application provides two solutions, so as to obtain the system information for the target coverage mode when the terminal switches the coverage mode, and maintain service continuity or reduce time delay.

[0044] Solution 1: The base station transmits the system information required for the terminal to enter the target coverage mode to the terminal through the RRC message;

[0045] Solution 2: the base station notifies the terminal to obtain the system information required to enter the target coverage mode. Wherein, the base station may perform the above notification through a Media Access Control Element (MAC CE) or a Radio Link Control (RLC) control Protocol Data Unit (Protocol Data Unit, PDU) or an RRC message .

[0046] The embodiments provided by the present application will be described in detail below in conjunction with the accompanying drawings.

[0047] see figure 1 , is a schematic diagram of a system message acquisition proce...

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PUM

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Abstract

The application discloses a method and apparatus for system message transmission. According to one embodiment, a base station determines that a terminal enters a second coverage mode from a first coverage mode and sends an RRC message to the terminal to indicate entrance of the terminal from the first coverage mode to the second coverage mode, wherein the RRC message includes a system message needed by entrance to the second coverage mode by the terminal. According to another embodiment, a base station determines that a terminal enters a second coverage mode from a first coverage mode and informs the terminal of obtaining a system message needed by entrance to the second coverage mode by the terminal. Therefore, when the terminal carries out coverage mode switching, the system message needed by entrance to the target coverage mode is obtained; and service continuity can be kept or time delay can be reduced.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a system message transmission method and device. Background technique [0002] For a long term evolution (Long Term Evolution, LTE) terminal that supports coverage enhancement mode, if it is in the radio resource control (Radio Resource Control, RRC) idle state and in the normal coverage mode, it will enter from the normal coverage mode after entering the RRC connection state In the enhanced coverage mode, the base station can directly reconfigure the terminal to the enhanced coverage mode through the RRC reconfiguration message, but the terminal needs to obtain the system information required to enter the enhanced coverage mode. [0003] For this reason, the base station currently releases the terminal in the RRC connected state to the RRC idle state, and the terminal in the idle state receives the system message for the coverage enhancement mode, which wi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00H04W76/04
CPCH04L1/0025H04L1/0027H04W76/27
Inventor 张元梁靖
Owner DATANG MOBILE COMM EQUIP CO LTD
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