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A method and device for obtaining system information on demand

A system information and acquisition method technology, applied in the on-demand acquisition method and device field of system information, can solve a large number of signaling consumption, resource waste and other problems, achieve the effects of reducing signaling consumption, avoiding resource waste, and simplifying the interaction process

Active Publication Date: 2020-03-20
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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  • A method and device for obtaining system information on demand
  • A method and device for obtaining system information on demand
  • A method and device for obtaining system information on demand

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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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Abstract

A method and device for obtaining system information on demand, the method comprising the following steps: sending a random access preamble to a network, the random access preamble is at least used to request to obtain the system information; sending based on the network Obtain indication information associated with the system information in response to a random access response; acquire the system information from the network based on the broadcast or unicast mode according to the indication information; wherein the indication information is at least used to indicate the acquisition of the system information Scheduling information and schema for system messages. The technical solution provided by the present invention can simplify the interaction process between the user equipment and the network, thereby effectively reducing signaling consumption in the interaction process and avoiding waste of resources.

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