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Power control method for cooperating with Internet of things energy acquisition node

An energy harvesting and power control technology, applied in the field of Internet of Things, which can solve the problem of not fully considering the optimal energy saving scheme of network throughput and so on

Inactive Publication Date: 2017-01-04
梁广俊
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] Aiming at the problems that the existing power control methods of the Internet of Things do not fully consider the optimal network throughput under the cooperation of idle nodes, the energy-saving scheme of renewable energy, and the practical application of low-complexity algorithms, the present invention proposes a cooperative Internet of Things energy collection node The power control method, considering idle energy harvesting IoT nodes to participate in collaboration, combined with the energy-saving solution brought by energy harvesting technology, assists low-complexity iterative algorithms, and maximizes network performance among communication users

Method used

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  • Power control method for cooperating with Internet of things energy acquisition node
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  • Power control method for cooperating with Internet of things energy acquisition node

Examples

Experimental program
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Effect test

Embodiment 1

[0104] A power control method based on collaborative Internet of Things energy harvesting nodes, comprising:

[0105] Step 1: System scene analysis, problem analysis:

[0106] Considering a three-node scenario with energy harvesting based on the collaborative Internet of Things, the present invention is aimed at a special application scenario, sourced from practical applications, and the scenario setting is detailed and reasonable, and has more practical guiding significance. In the scenario, there is an energy harvesting end user A, an energy harvesting relay station R, and a target communication end user B. Considering the existence of a direct path between the energy harvesting end user A and the target communication end user B, the energy harvesting relay station R Select the decoding and forwarding (DecodeForward, abbreviated as DF) working mode. The present invention considers the use of idle nodes in the network as relay stations to participate in cooperative forwardin...

Embodiment 2

[0174] On the basis of Embodiment 1 of the present invention, we make further improvements and select more precise power control to improve the accuracy of the algorithm. Specifically, the step 3 includes:

[0175] Solve the subproblem P2 as follows:

[0176] Step A: set i=1, when i≤N, repeat until the algorithm ends;

[0177] Step B: Calculate i separately a and as follows:

[0178] i a = arg min i ≤ j ≤ N { Σ k = i j E S ( k ) ( j - i + 1 ) B ...

Embodiment 3

[0184] On the basis of the second embodiment of the present invention, we further improve it by adopting a convex optimization method to perform convex optimization processing on the sub-problem P3 to obtain a new equivalent optimization problem P4, and the solution complexity is significantly reduced. Specifically, the step 4 includes:

[0185] Convex optimization is performed on the sub-problem P3 to obtain a new equivalent optimization problem P4, and the complexity of the solution is significantly reduced.

[0186] P 4 : m a x r ( i + 1 ) ≥ 0 ...

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Abstract

The invention discloses a power control method for cooperating with Internet of things energy acquisition nodes and belongs to the technical field of Internet of things. The method comprises steps of system scene analysis and problem resolution; system mathematics model establishment; optimal solution calculation on the basis of utilizing an optimization method. The method is applicable to a special scene, is on the basis of actual application, takes full consideration of an environmental protection scheme of renewable energy sources, integrates the energy acquisition technology, takes consideration of a system performance optimal problem under cause and effect restriction conditions on the condition that network performance is not influenced, realizes compromise between energy consumption and a network rate, more reasonably and fully utilizes the renewable energy sources and reduces energy consumption of the network. The method is advantaged in that algorithm design is reasonable, and the method is easy to realize.

Description

technical field [0001] The invention belongs to the technical field of the Internet of Things, and more specifically relates to a power control method for cooperative Internet of Things energy collection nodes. Background technique [0002] The concept of the Internet of Things (IOT) originated in 1999, through information sensing equipment such as radio frequency identification system (RFID), infrared sensing system, global positioning system (GPS), laser scanner, etc., according to the agreed agreement, Endow objects with intelligence, and connect the items that need to be connected with the Internet through the interface to form a huge distributed network that connects items to each other, so as to realize intelligent item identification, item positioning, item tracking, item monitoring and management. The Internet of Things can achieve comprehensive perception, reliable transmission and intelligent processing between items through related technologies. It is another revo...

Claims

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Application Information

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IPC IPC(8): H04W52/24H04W52/34H04W52/36
CPCH04W52/241H04W52/346H04W52/362
Inventor 梁广俊
Owner 梁广俊
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