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Multiservice-based resource scheduling method and device in cognitive relay system

A cognitive relay and resource scheduling technology, applied in electrical components, wireless communication, etc., can solve problems such as the inability to better solve the resource scheduling problem of cognitive users, poor communication experience of cognitive users, etc.

Active Publication Date: 2015-05-20
BEIJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

[0005] This method comprehensively considers the factors of fairness and system performance, but it is mainly aimed at the same type of business, such as interactive business. In the cognitive relay system, cognitive users usually have various types of business needs. This method cannot better solve the resource scheduling problem of cognitive users with various types of business requirements in the cognitive relay system, which makes the communication experience of cognitive users poor

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  • Multiservice-based resource scheduling method and device in cognitive relay system
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  • Multiservice-based resource scheduling method and device in cognitive relay system

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Embodiment Construction

[0087] First, a method for resource scheduling based on multi-services in a cognitive relay system provided by an embodiment of the present invention is described, and the method may include the following steps:

[0088] In the first sub-slot, for any available sub-channel corresponding to each service type,

[0089] According to the quality of service parameters of each direct transmission user of the service type and the channel capacity of the direct transmission user on the available sub-channel, calculate the scheduling priority of each direct transmission user on the available sub-channel, and obtain the first Scheduling priority set;

[0090] According to the quality of service parameters of each relay user of the service type and the channel capacity of the relay user on the available sub-channel, respectively calculate the scheduling priority of each relay user on the available sub-channel, and obtain the second Scheduling priority set;

[0091] Scheduling the avail...

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Abstract

The embodiment of the invention discloses a multiservice-based resource scheduling method and device in a cognitive relay system. According to the multiservice-based resource scheduling method in the cognitive relay system, the service quality requirements of users of different business types are considered aiming at any usable sub-channel corresponding to each business type, the scheduling priority of each user on the usable sub-channel in different sub time slots is calculated according to related information such as service quality parameters and channel capacity of the user or node of each business type, and the usable sub-channel is preferentially scheduled to the user with high scheduling priority. By applying the technical scheme provided by the embodiment, the service quality performance of a multi-business model can be improved while the scheduling fairness is effectively guaranteed, so the communication experience of the cognitive user is improved.

Description

technical field [0001] The present invention relates to the technical field of mobile communication, and in particular to a resource scheduling method and device based on multi-service in a cognitive relay system. Background technique [0002] With the rapid development of mobile communication technology, LTE-A (Long Term Evolution Advanced, Advanced Long Term Evolution) system has gradually become a research hotspot. The LTE-A system is facing the problem of channel resource shortage, and cognitive radio technology has gradually become one of the candidate solutions to solve the problem of channel resource shortage. In addition, in order to meet the higher requirements of the LTE-A system for the data transmission rate of the edge cell, the LTE-A system introduces the relay technology to improve the throughput of the cell edge, expand the coverage of the cell, and provide a temporary network Deployment and group mobility services, which are relay cooperative communications...

Claims

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Application Information

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IPC IPC(8): H04W72/12
CPCH04W72/543H04W72/56H04W72/569
Inventor 张勇宋梅郭达魏翼飞滕颖蕾满毅王莉刘洋张亚男张雅君鲍叙言程刚
Owner BEIJING UNIV OF POSTS & TELECOMM
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