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A wireless energy-carrying communication method based on amplify-and-forward two-way cooperation in cognitive sensor networks

A wireless energy-carrying communication and sensor network technology, applied in the field of two-way cooperative energy-carrying communication, can solve the problem of low utilization rate of spectrum resources and achieve the effect of improving the utilization rate of spectrum resources

Active Publication Date: 2022-07-15
ZHEJIANG UNIV OF TECH
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Problems solved by technology

[0005] In order to overcome the defect of the low utilization rate of spectrum resources in the two-way cooperative wireless energy carrying method in the existing cognitive sensor network, the present invention provides a wireless system based on amplification and forwarding two-way cooperation that can effectively improve the utilization rate of spectrum resources in the cognitive sensor network. portable communication method

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  • A wireless energy-carrying communication method based on amplify-and-forward two-way cooperation in cognitive sensor networks
  • A wireless energy-carrying communication method based on amplify-and-forward two-way cooperation in cognitive sensor networks
  • A wireless energy-carrying communication method based on amplify-and-forward two-way cooperation in cognitive sensor networks

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Embodiment Construction

[0042] The present invention will be further described below with reference to the accompanying drawings.

[0043] refer to figure 1 and figure 2 , a wireless energy-carrying communication method based on amplifying and forwarding two-way cooperation in a cognitive sensor network, which is realized based on the existing cognitive sensor network. The cognitive sensor network consists of a main network and a cognitive sensor network. The main network consists of a pair of main users, namely the main user PU1 and the main user PU2; the cognitive network consists of three sensor nodes, namely the sensor node SN1, the sensor node SN2 and the relay sensor node RSN; the entire transmission process is divided into two time slots, each of which takes up

[0044] In the method of this embodiment, the main user PU1 and the main user PU2 send information to each other in the first time slot, which will cause interference to the relay sensor node. At the same time, the sensor node SN1...

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Abstract

A wireless energy-carrying communication method based on amplifying and forwarding two-way cooperation in a cognitive sensor network. In this method, two sensor nodes forward information to each other with the help of relay sensor nodes, and the relay sensor nodes use a power division method. The received signal is divided, half is used for energy collection, and the other half is used for information reception. The relay sensor node uses all the energy E collected by it, and adopts the amplifying and forwarding relay protocol to help the two sensor nodes forward information to each other. The present invention can effectively improve the spectrum resource utilization rate of wireless energy-carrying communication, thereby reducing the rate loss of the entire cognitive sensor network.

Description

technical field [0001] The invention belongs to the technical field of wireless energy-carrying communication in the field of cognitive sensor networks, in particular to a two-way cooperative energy-carrying communication method. Background technique [0002] Wireless sensor networks are gradually being widely used, because the sensor nodes in the wireless sensor network can sense, collect, process and transmit the information of the sensed objects in the area covered by the sensor network in a cooperative manner, and have the advantages of low cost and flexible deployment. . With the long-term use of wireless sensor networks, the service life of wireless sensor networks is limited by its own energy storage batteries, and the spectrum resources of wireless sensor networks are gradually scarce due to the increase in the number of sensor nodes. [0003] In order to solve the problem of the limited energy of the energy storage battery of the sensor node itself in the wireless ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W52/46H04W52/24H04W52/26H04W72/04H04W72/08H04W84/18H04W4/38H04W72/54
CPCH04W52/46H04W52/243H04W52/267H04W72/0473H04W4/38H04W84/18H04W72/541H04W72/542
Inventor 卢为党杨城方卢顺黄国兴张昱彭宏
Owner ZHEJIANG UNIV OF TECH