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Fair power distribution method in shared cognitive cooperation NOMA network

An allocation method and power technology, applied in power management, network planning, electrical components, etc., can solve the joint power allocation problem of rate maximization and fairness, which has not yet been involved, and achieves low complexity and high spectral efficiency. Effect

Pending Publication Date: 2021-05-25
河南垂天科技有限公司
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AI Technical Summary

Problems solved by technology

[0004] In recent years, many research results have studied the power allocation problem of NOMA and cognitive network respectively. However, the joint power allocation problem of rate maximization and fairness in the spectrum sharing NOMA network has not yet been involved.

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  • Fair power distribution method in shared cognitive cooperation NOMA network
  • Fair power distribution method in shared cognitive cooperation NOMA network
  • Fair power distribution method in shared cognitive cooperation NOMA network

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Embodiment Construction

[0051] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them; based on The embodiments of the present invention and 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.

[0052] like Figure 1-2 As shown, the present invention shares the fair power allocation method in cognitive cooperation NOMA network, comprises the following steps:

[0053] S1: Initialization parameter setting: first time slot: send data signal from transmitting user ST to receiving user Un and Uf and interference signal PR; second time slot: simultaneously send data signal and interference signal to Uf and Uf respectively from receiving user ...

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Abstract

The invention discloses a fair power distribution method in a shared cognitive cooperation NOMA network. The method comprises the steps of S1, initializing parameter setting, S2, establishing a fair power distribution optimization problem, S3, solving an optimization problem algorithm, S4, establishing a power distribution feasibility problem, and S5, solving the power distribution feasibility problem. The invention belongs to the technical field of 5G wireless communication, and particularly provides a fair power distribution method in a shared cognitive cooperation NOMA network, which combines the advantages of the NOMA and a cognitive network, enables the spectrum efficiency of a communication system to be higher, jointly considers the sum rate to be optimal and the user fairness, can well give fairness and interference compromise, and is lower in complexity.

Description

technical field [0001] The invention belongs to the technical field of 5G wireless communication, and specifically refers to a method for allocating fair power in a shared cognitive cooperative NOMA network. Background technique [0002] With the development of the Internet of Things and the mobile Internet, The Fifth Mobile Communication (5G) will face massive device access requirements for various service requirements. Non-orthogonal multiple access technology (Non-Orthogonal Multiple Access, NOMA) has attracted widespread attention because of its high spectral efficiency, super-device connection, and enhanced user fairness, and the technology in NOMA has been approved by the Third Generation Partnership Project ( The Third Generation Partnership Project, 3GPP) adopted as the 5G standard. Compared with traditional orthogonal multiple access technology, NOMA uses power domain multiplexing technology to support serving multiple users in the same resource block (time / frequen...

Claims

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Application Information

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IPC IPC(8): H04W16/14H04W24/02H04W52/24H04W52/28
CPCH04W16/14H04W24/02H04W52/243H04W52/281Y02D30/70
Inventor 刘文奇朱明甫李兴旺马传琦倪水平孙鹏张海洋吴银雪
Owner 河南垂天科技有限公司
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