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Robust resource allocation method for NOMA and energy-carrying D2D fusion network

A technology that integrates networks and resource allocation. It is applied in the directions of reducing energy consumption, machine-to-machine/machine-type communication services, and transmission systems. It can solve problems such as difficulty in obtaining channel state information and ensuring user service quality.

Active Publication Date: 2020-06-19
航天新通科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in practical wireless communication networks, it is difficult to obtain perfect channel state information due to the existence of system delay and quantization error
When the channel estimation error is large, it is difficult to guarantee the user's service quality, and further research is needed

Method used

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  • Robust resource allocation method for NOMA and energy-carrying D2D fusion network

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Embodiment Construction

[0079] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the diagrams provided in the following embodiments are only schematically illustrating the basic concept of the present invention, and the following embodiments and the features in the embodiments can be combined with each other in the case of no conflict.

[0080] Wherein, the accompanying drawings are for illustrative purposes only, and represent only schematic diagrams, rather than physical drawings, and should...

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Abstract

The invention relates to a robust resource allocation method for an NOMA and energy-carrying D2D fusion network, and belongs to the technical field of communication. The method comprises the followingsteps: constructing an NOMA and energy-carrying D2D fusion network; wherein the cellular users adopt downlink NOMA (Non-Orthogonal Multiple Access) transmission, so that a plurality of users can reuse the same resource block; d2D users are provided with energy collection circuits, and a substrate type frequency spectrum access mode is adopted; considering a random channel uncertainty model, and establishing a resource allocation optimization problem by taking the maximum total energy efficiency of the system as a target function; jointly optimizing the power splitting ratio, the resource block allocation factor and the transmitting power, so the energy efficiency of the system is maximized while the communication quality of the cellular users is ensured. Experimental results show that themethod has high system energy efficiency and good robustness.

Description

technical field [0001] The invention belongs to the technical field of communication, and relates to a robust resource allocation method for a NOMA and energy-carrying D2D fusion network. Background technique [0002] With the rapid development of communication technology, the available spectrum resources are becoming less and less, and the access of massive terminal equipment increases the burden of energy consumption. When base stations meet the rapidly growing network capacity requirements, serious overload problems also occur. Therefore, how to improve spectrum utilization and energy efficiency and reduce base station load has become an important development direction of 5G communication technology. In order to solve these problems, Non-Orthogonal Multiple Access (NOMA) and Wireless Power Transfer (Simultaneous Wireless Information and Power Transfer, SWIPT) technologies came into being. Through multiplexing in the power domain, multiple users are allowed to share the s...

Claims

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Application Information

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IPC IPC(8): H04W4/70H04W24/02H04W72/04H04W72/08H04J11/00H04B17/309H04B17/336H04B17/382
CPCH04W4/70H04W24/02H04J11/0026H04B17/309H04B17/336H04B17/382H04W72/53H04W72/543H04W72/542Y02D30/70
Inventor 徐勇军刘子腱李国权陈前斌刘期烈
Owner 航天新通科技有限公司
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