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Base-station (BS)-combined direct-through terminal optimized resource allocation method in direct-through cellular system

A resource allocation and resource optimization technology, which is applied in wireless communication, electrical components, etc., can solve the problems that the D2D gain is not fully utilized, and the continuity of D2D user services is not guaranteed, so as to achieve the effect of optimizing resource allocation.

Active Publication Date: 2014-09-10
CERTUS NETWORK TECHNANJING
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

And most of them do not guarantee the business continuity of D2D users
In this way, the gains brought by D2D have not been fully utilized

Method used

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  • Base-station (BS)-combined direct-through terminal optimized resource allocation method in direct-through cellular system
  • Base-station (BS)-combined direct-through terminal optimized resource allocation method in direct-through cellular system
  • Base-station (BS)-combined direct-through terminal optimized resource allocation method in direct-through cellular system

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specific Embodiment approach

[0064] Compared with the resource allocation of the system A, the system B has the same feature that the BS needs to control the allocation of users and resources overall. The main difference is that the BS does not need to consider the cumulative interference at the BS. The total user capacity of the system does not depend on the analysis of the cumulative interference at the BS. The BS needs to consider how to perform multi-user resource scheduling between D2D users and cellular users. While ensuring the service quality of D2D users and cellular users, it maximizes resource reuse and capacity expansion. The specific implementation is as follows:

[0065] Step 302: First, the BS predicts the location distribution of the user according to the received user power or the location information uploaded by the user, and divides the interference sub-domain between the D2D user and the cellular user that may have an interference relationship according to the location distribution (in...

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Abstract

The invention provides a base-station (BS)-combined direct-through terminal optimized resource allocation method in a direct-through cellular system. In order not to interrupt the normal communication of traditional cellular subscriber links and obtain effective gain brought by device-to-device (D2D) direct-through technology, D2D subscribers are allowed to adopt a resource allocation manner that resources are selected by a D2D subscriber end when uplink and downlink resources of the cellular system are shared; at this time, the D2D subscribers only need to consider the interference to other cellular subscribers (CUs) arising from signals of the D2D subscribers; and meanwhile, a BS centralized-control manner is adopted to carry out resource allocation, the centralized-control advantage of a BS is exerted, a BS and D2D terminal combined optimization manner is fully utilized, and the advantages of the two allocation manners are exerted. The BS-combined direct-through terminal optimized resource allocation method in the direct-through cellular system has the advantages that the resource utilization ratio and availability of a coexistent system which is provided with the D2D direct-through technology are sufficiently improved, the multiplexing gain of the resources are maximally developed, the system capacity is increased, the service types are increased, and the quality of service is ensured; and many chances for resource multiplexing are developed under the condition of limited resources from a novel resource allocation viewing angle.

Description

technical field [0001] The invention relates to a method for optimal resource allocation of a base station in conjunction with a direct terminal in a direct cellular system, and relates to the design of an effective management scheme for resources in a system in which a D2D (Device to Device) direct technology and a cellular coexist. Background technique [0002] As the demand for personal communication services increases, the performance requirements for mobile communication systems also increase, requiring network operators and infrastructure manufacturers to provide higher service quality and richer services from a system-level perspective. From the perspective of limited resources, we can develop more resource reuse opportunities, especially the re-development and utilization of spectrum resources. [0003] Under the condition of limited resources, collaboration among systems and resource sharing become a solution to improve resource utilization. On the premise that the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/04
Inventor 孙君朱洪波邵世祥
Owner CERTUS NETWORK TECHNANJING
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