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Radio resource scheduling method and device

A technology of wireless resources and scheduling method, applied in wireless communication, electrical components and other directions, can solve the problems of inability to save voice service PDCCH resources, freezes, lost words in voice services, etc., so as to save physical control channel resources and improve wireless resource utilization. rate, the effect of saving wireless resources

Active Publication Date: 2019-07-02
CHENGDU TD TECH LTD
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Problems solved by technology

[0004] However, for the scenario where CBTC services and voice services are concurrent, since CBTC services control the train running, high priority guarantee is required. If dynamic scheduling is used for voice, the priority of CBTC services can be guaranteed to be higher than that of voice services, but voice services cannot be saved. PDCCH resources, in the scenario where PDCCH resources are limited, may cause abnormal phenomena such as word loss and freeze in voice services. If SPS scheduling is used for voice services, although PDCCH resources can be saved, it cannot guarantee that CBTC services have higher priority than voice services. This makes the CBTC business not get priority protection, and there are security risks

Method used

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  • Radio resource scheduling method and device

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Embodiment Construction

[0048] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0049] The terms "comprising" and "having" and any variations thereof in the description and claims of the present invention are intended to cover a non-exclusive inclusion, for example, a process comprising a series of steps or a device of structure need not be limited to the expressly listed Instead, those structures or steps may include other steps or structures not expressly listed or inherent to the process or device.

[0050] An embodiment of the present i...

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Abstract

The embodiment of the invention provides a radio resource scheduling method and device, and the method comprises the steps: obtaining the radio bearer RB utilization rate of a target priority servicein a cell in a current period; if the RB utilization rate is higher than a preset threshold value, reducing the SPS resource configuration proportion of the cell; and if the RB utilization rate is lower than a preset threshold, increasing the SPS resource configuration ratio of the cell. According to the embodiment of the invention, the SPS resources of the cell can be flexibly configured under the condition that the service priority is ensured, and the purposes of saving the wireless resources and improving the utilization rate of the wireless resources are achieved.

Description

technical field [0001] The embodiments of the present invention relate to the field of communication technologies, and in particular, to a method and device for scheduling wireless resources. Background technique [0002] Long Term Evolution (LTE for short) wireless communication technology is gradually applied to urban rail transit, such as subway, light rail, etc. There are various business types under this network, such as Communication Based Train Control System based on wireless communication System, referred to as CBTC), voice, video, and ordinary packet switching (PS) data services. CBTC services are deployed on QCI1 bearer, voice services are deployed on QCI1 bearer, video services are deployed on QCI4 bearer, and ordinary PS data are deployed on QCI9 bearer. According to the characteristics and requirements of different businesses, differentiated treatment is carried out. [0003] Among them, the CBTC business belongs to rail transit unmanned train control signalin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04H04W72/06
CPCH04W72/563H04W72/53
Inventor 鲜柯
Owner CHENGDU TD TECH LTD
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