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Wireless energy supply Internet of Things full duplex base station association and cache joint distribution method

A wireless energy supply and Internet of Things technology, applied in wireless communication, electrical components, etc., can solve problems such as cache allocation problems that cannot be directly used to solve the problem of association between multiple full-duplex base stations and nodes

Pending Publication Date: 2021-09-10
CHINA INFOMRAITON CONSULTING & DESIGNING INST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method does not involve wireless power supply technology and only considers a single relay node, so it cannot be directly used to solve the problem of association between multiple full-duplex base stations and nodes in the wireless power Internet of Things, as well as the cache allocation problem

Method used

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  • Wireless energy supply Internet of Things full duplex base station association and cache joint distribution method
  • Wireless energy supply Internet of Things full duplex base station association and cache joint distribution method
  • Wireless energy supply Internet of Things full duplex base station association and cache joint distribution method

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Experimental program
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Embodiment

[0150] The effects of the present invention will be further described below in combination with simulation experiments.

[0151] 1. Experimental conditions

[0152] In order to illustrate the effectiveness of this method, the optimal solution of model (1) and the no-cache algorithm are used as comparison algorithms. The optimal solution refers to using the CPLEX solver to solve the model (1), and after obtaining the output of the solver, follow step 4 to recover. The no-cache algorithm means that each node is associated with its nearest small cell base station. When a user request comes, the node directly uses the collected energy to transmit its own files. Assume that a heterogeneous cellular IoT is deployed in a 1000m×1000m area, which consists of a macro base station and 30 full-duplex small cell base stations. The cell sites are randomly and evenly distributed throughout the area. There are 20 energy transfer devices, randomly evenly distributed in the area. The transm...

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Abstract

The invention provides a wireless energy supply Internet of Things full duplex base station association and cache joint allocation method. The method comprises the step of performing joint modeling on a network energy supply excitation problem and a full duplex base station association and cache resource allocation problem by using a Stackelberg game model; solving the game model through a backtracking method, decomposing the game model into a double-layer knapsack problem by utilizing the structural characteristics of the model, compressing a solving space through constraint conditions, and further obtaining an optimization result through alternate iteration. The method can effectively reduce the energy supply and backhaul transmission cost of the wireless energy supply Internet of Things, improves the income of a network operator, and is suitable for the wireless energy supply cellular Internet of Things with a caching function.

Description

technical field [0001] The invention belongs to the technical field of wireless communication and the Internet of Things, and in particular relates to a method for associating and caching joint distribution of full-duplex base stations of the Internet of Things for wireless power supply. Background technique [0002] The cellular Internet of Things has become the main access network of the Internet of Things due to its advantages such as wide coverage, stable link, and short delay. In order to reduce the cost of backhaul transmission in cellular networks, in recent years, full-duplex wireless backhaul technology has been applied to small cell base stations, which greatly enhances network flexibility and economy. [0003] On the other hand, with the continuous development of the Internet of Things business, the number of nodes has increased greatly, making the problem of energy supply of nodes increasingly prominent. Wireless energy harvesting technology is a high-efficiency...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W24/02
CPCH04W24/02Y02D30/70
Inventor 朱晨鸣成聿伦王强彭凤强
Owner CHINA INFOMRAITON CONSULTING & DESIGNING INST CO LTD