Resource allocation method of noma heterogeneous network based on wireless energy carrying

A technology of resource allocation and heterogeneous network, applied in the field of resource allocation of NOMA heterogeneous network, it can solve the problem of difficult to obtain channel gain, and achieve the effect of maximizing energy efficiency, suppressing interference and satisfying service quality.

Active Publication Date: 2022-03-11
深圳泓越企业管理咨询有限公司
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  • Application Information

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Problems solved by technology

In fact, it is difficult to obtain accurate channel gain due to SIC residual error and channel delay

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  • Resource allocation method of noma heterogeneous network based on wireless energy carrying
  • Resource allocation method of noma heterogeneous network based on wireless energy carrying
  • Resource allocation method of noma heterogeneous network based on wireless energy carrying

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Embodiment Construction

[0029] 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.

[0030] The present invention provides a resource allocation method based on wireless energy carrying NOMA heterogeneous network, such as figure 2 ,include:

[0031] S1. Deploy macro base stations and femtobase stations in the NOMA wireless energy carrying communication system, wherein each femtocell user receiving end has the function of NOMA and wireless energy carrying communication, and the femtocell user is equipped with an energy harvesting rectification...

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Abstract

The invention belongs to the field of communication technology, and in particular relates to a resource allocation method of a NOMA heterogeneous network based on wireless energy carrying, including deploying a macro base station and a femtobase station in a NOMA wireless energy carrying communication system, wherein each femtocell user receiving end has NOMA and wireless energy-carrying communication functions, and femtocell users are equipped with energy harvesting rectification circuits; construct a resource allocation model based on channel uncertainty, and transform the resource optimization model into a convex optimization problem based on the Dinkelbach method; use convex optimization to solve Or the Lagrangian dual method solves the convex optimization problem, obtains the transmission power allocated to each user by the femto-base station, and the transmission time used for information decoding, that is, obtains the resource allocation scheme; the present invention maximizes the total energy efficiency of the system At the same time, the interference is effectively contained and the user's service quality requirements are met.

Description

technical field [0001] The invention belongs to the technical field of communication, and in particular relates to a resource allocation method of a NOMA heterogeneous network based on wireless energy carrying. Background technique [0002] With the continuous growth of wireless data services, existing spectrum resources can no longer meet the rapidly increasing demand for high-speed data transmission in current communication systems. This trend has made spectral efficiency (SE) a major performance metric in the design and optimization of wireless communication systems. [0003] Non-orthogonal multiple access (NOMA) and heterogeneous networks (HetNets) are two main technologies to improve SE. NOMA can improve the spectral efficiency of communication systems by allowing more users to share the same subchannel. HetNets allow multiple Small cells with low power consumption connect to the macrocellular network in an opportunistic manner. Therefore, NOMA heterogeneous cellular ...

Claims

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Application Information

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Patent Type & AuthorityPatents(China)
IPC IPC(8): H04W24/02H04W24/06H04W28/02
CPCH04W24/06H04W24/02H04W28/0221H04W28/0268Y02D30/70
Inventor徐勇军刘子腱谷博文陈前斌
Owner深圳泓越企业管理咨询有限公司