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Required acquiring method and required acquiring device for system information

A system information and acquisition method technology, applied in the field of on-demand acquisition methods and devices for system information, can solve problems such as a large amount of signaling consumption and resource waste, and achieve the effects of reducing signaling consumption, avoiding resource waste, and simplifying interaction processes

Active Publication Date: 2017-05-31
SPREADTRUM COMM (SHANGHAI) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The technical problem solved by the present invention is that in the prior art, when sending and receiving system information, a large amount of signaling consumption will be generated in the network, which easily leads to the problem of waste of resources

Method used

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  • Required acquiring method and required acquiring device for system information
  • Required acquiring method and required acquiring device for system information
  • Required acquiring method and required acquiring device for system information

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Embodiment Construction

[0041] As mentioned in the background art, when the existing user equipment needs to obtain system information from the network, it needs to perform multiple information interactions with the network. During this process, a large amount of signaling consumption will be generated, which easily leads to waste of resources. Furthermore, in the existing technical solution, the network cannot know the purpose of the user equipment performing random access or establishing a radio resource control connection this time (for example, this random access is only used to request to obtain system information, or only for transmitting data, or for both requesting system information and transmitting data), however, if the network can know the purpose of the user equipment in advance, the network can better allocate resources to respond to the request of the user equipment .

[0042] Figure 1 to Figure 3 A schematic diagram of three scenarios in which a user equipment obtains system informa...

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PUM

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Abstract

The invention relates to a required acquiring method and a required acquiring device for system information. The method comprises the following steps: sending a random access lead code to a network, wherein the random access lead code is at least used for requiring the acquiring of the system information; acquiring indication information relevant with the system information based on random access response sent by the network; and acquiring the system information from the network according to the indication information based on a broadcasting or unicasting mode, wherein the indication information is at least used for indicating scheduling information and mode for acquiring the system information. According to the technical scheme provided by the invention, the interaction flow between user equipment and the network can be simplified, so that the signaling consumption in the interaction process is effectively reduced, and the wasting of resources is avoided.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a method and device for acquiring system information on demand. Background technique [0002] According to the 3rd Generation Partnership Project (3rd Generation Partnership Project, 3GPP for short) agreement, most of the existing system information needs to be sent from a network (network) to a user equipment (User Equipment, UE for short) by broadcasting. [0003] For example, in the Long Term Evolution (LTE for short) technology, the system information (System Information, SI for short) includes the basic configuration information of the master information block (Master Information Block, MIB for short) and the system information block (System Information Block, short for short). SIB) information, wherein the broadcast period of the basic system configuration information of the main information block and some system information block information is fixed, and th...

Claims

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Application Information

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IPC IPC(8): H04W48/08H04W48/10H04L5/00
CPCH04L5/0048H04W48/08H04W48/10H04L5/0053H04W48/14H04W74/0833H04W72/0446
Inventor 安娜·潘特利都
Owner SPREADTRUM COMM (SHANGHAI) CO LTD
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