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Resource allocation method for NOMA and D2D fusion communication

A technology of resource allocation and integrated communication, which is applied in the field of resource allocation for NOMA and D2D integrated communication, and can solve problems such as inability to allocate appropriate communication power and spectrum resources

Active Publication Date: 2019-09-06
NORTHEASTERN UNIV
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  • Claims
  • Application Information

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Problems solved by technology

[0006] In order to solve the above-mentioned problems in the prior art, the present disclosure provides a resource allocation method for NOMA and D2D converged communication, which solves the problem in the prior art that it is impossible to allocate appropriate communication power and spectrum resources between D2D communication pairs

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  • Resource allocation method for NOMA and D2D fusion communication
  • Resource allocation method for NOMA and D2D fusion communication
  • Resource allocation method for NOMA and D2D fusion communication

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Embodiment Construction

[0072] In order to better explain the present disclosure and facilitate understanding, the present disclosure will be described in detail below through specific implementation manners in conjunction with the accompanying drawings.

[0073] All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs. The terms used herein in the description of the present disclosure are for the purpose of describing specific embodiments only, and are not intended to limit the present disclosure. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0074] In related embodiments of the present disclosure, NOMA communication and D2D communication are integrated, but how to select a proper SIC relationship for a NOMA communication group is still difficult. For this reason, this disclosure considers integrating NOMA communication and D2...

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Abstract

The embodiment of the invention relates to a resource allocation method for NOMA and D2D converged communication. The resource allocation method comprises: acquiring channel allocation information ofCUE users, channel allocation information of D2D users and D2D user power of individuals in an initial user group; performing optimization calculation according to the channel distribution informationof the CUE user, the channel distribution information of the D2D user and the D2D user power to obtain CUE user power distribution information; performing calculating according to the channel distribution information of the CUE and the D2D user and the power of the CUE user to obtain an individual fitness value; randomly selecting three individuals from the initial user group, and performing calculating through fitness values of the three individuals to generate new individuals; and comparing the fitness values of the new individuals with the fitness values of the individuals in the initial user group, and carrying out optimal solution on the left individuals. The invention provides a joint resource allocation algorithm based on differential evolution, the network performance is effectively improved, and the resource utilization efficiency of the network is maximized.

Description

technical field [0001] The present disclosure relates to the field of communication technologies, and in particular to a resource allocation method for NOMA and D2D converged communication. Background technique [0002] The rapid development of mobile communication networks and the rapid increase of mobile communication services have brought enormous challenges to existing wireless resources. In order to improve spectrum resource utilization, Non-Orthogonal Multiple Access (NOMA) technology allows multiple users to occupy the same channel in a power multiplexing manner. At the same time, Device-to-Device (Device-to-Device Device (D2D for short) technology allows short-distance users to communicate directly without going through the transfer of base station nodes, thereby reducing the communication pressure of the base station and improving resource utilization efficiency. [0003] In order to maximize the utilization of spectrum resources, D2D communication generally needs ...

Claims

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Application Information

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IPC IPC(8): H04B17/382H04B17/391H04W28/02
CPCH04B17/382H04B17/391H04W28/0221H04W28/0236
Inventor 贾杰陈剑张帅王兴伟郭亮
Owner NORTHEASTERN UNIV
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