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Linear cognitive radio network-oriented energy supply optimization method

A cognitive wireless network and cognitive wireless technology, applied in the field of energy supply optimization for linear cognitive wireless networks, can solve the problem that the charging efficiency cannot be further improved, and achieve the optimal charging time, fast charging, and guaranteeing network performance. Effect

Active Publication Date: 2017-10-31
SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI
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Problems solved by technology

[0005] Aiming at the problem of cognitive wireless network device charging that needs to be solved urgently and the problem that the charging efficiency of wireless charging technology cannot be further improved, and for the most commonly used linear network topology in industrial wireless measurement and control applications, the technical problem to be solved by the present invention is to use mathematical means, Realize the joint optimization of charging time and charging power in cognitive wireless networks, and propose an energy supply optimization method for linear cognitive wireless networks to further improve charging efficiency

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  • Linear cognitive radio network-oriented energy supply optimization method
  • Linear cognitive radio network-oriented energy supply optimization method
  • Linear cognitive radio network-oriented energy supply optimization method

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Embodiment Construction

[0052] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0053] The inventive method comprises the following implementation steps:

[0054] Step 1: Establish a linear cognitive wireless network with energy harvesting function;

[0055] Step 2: All devices (including cognitive wireless access points and cognitive wireless devices) in the linear cognitive wireless network evaluate channel quality;

[0056] Step 3: The cognitive wireless access point takes the optimization goal of minimizing the end-to-end outage probability, and jointly optimizes the charging time and charging power;

[0057] Step 4: The cognitive wireless access point broadcasts the energy beacon according to the optimized parameters;

[0058] Step 5: The cognitive wireless device receives the energy beacon, and performs energy conversion and storage;

[0059] Step 6: The cognitive wireless device transmits data.

[0060] Said step 1: Establish ...

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Abstract

The invention relates to a linear cognitive radio network-oriented energy supply optimization method. For solving the problem of equipment charging of the cognitive radio network and the problem of incapability of further promoting the charging efficiency of the wireless charging technique, a mathematical optimization method is adopted for realizing the combined optimization of charging time and charging power in the cognitive radio network on the basis of taking the minimal network end-to-end outage probability as an optimization objective, the charging time is optimized for realizing quick charging while the charging power is optimized and the energy consumption of the cognitive wireless access point is reduced through the reasonably designed energy beacon under the condition of guaranteeing the network performance. According to the method provided by the invention, the sequential execution of wireless data transmission and wireless energy supply can be realized and the network management cost can be effectively lowered.

Description

technical field [0001] The invention relates to a cognitive wireless network technology, in particular to an energy supply optimization method for a linear cognitive wireless network. Background technique [0002] Cognitive wireless networks are based on software radio technology. Cognitive wireless devices in the network can intelligently perceive changes in the external environment, use the "understanding-construction" methodology to obtain information from the surrounding environment, and adjust power, carrier frequency, and modulation methods adaptively and other transmission parameters to adapt to changes in the environment. Dynamic spectrum access is the core technology for the efficient operation of cognitive wireless networks. Currently, there are three main methods: overlay, underlay, and interweave. Among them, the principle of the overlay method is: the cognitive wireless device obtains the opportunity to access the frequency band by assisting the transmission of...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B17/382H04B1/00H04W52/32H02J50/00H02J50/20H02J7/00G06Q50/06G06Q10/04H04B17/309H04B17/10
CPCG06Q10/04G06Q50/06H02J7/025H04B1/0003H04B17/102H04B17/309H04B17/382H04W52/322Y02B40/00
Inventor 于海斌梁炜许驰张晓玲郑萌赵有健徐石明
Owner SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI
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