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A method and system for realizing heterogeneous network coexistence

A technology of heterogeneous network and neural network model, applied in the field of realizing heterogeneous network coexistence, can solve problems such as power asymmetry, ZigBee node interference, etc., achieve excellent recognition rate, fair and reasonable channel competition, easy deployment and large-scale promotion Effect

Active Publication Date: 2022-06-28
SHENZHEN UNIV
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Problems solved by technology

[0007] The purpose of the present invention is to overcome the defects of the above-mentioned prior art and provide a method and system for realizing the coexistence of heterogeneous networks to solve the heterogeneous network in which WiFi devices caused by unequal transmission power bring serious interference to ZigBee nodes with overlapping channels coexistence problem

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  • A method and system for realizing heterogeneous network coexistence
  • A method and system for realizing heterogeneous network coexistence
  • A method and system for realizing heterogeneous network coexistence

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Embodiment Construction

[0030] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that the relative arrangement of components and steps, the numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the invention unless specifically stated otherwise.

[0031] The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

[0032] Techniques, methods, and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification.

[0033] In all examples shown and discussed herein, any specific values ​​should be construed as illustrative only and not limiting. Accordingly, other instances of the exemplary embodiment may have di...

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Abstract

The invention discloses a method and a system for realizing coexistence of heterogeneous networks. The method: the WiFi sending end judges the channel state based on the collected environmental samples by using the set first idle channel detection threshold; in the case of judging that the channel is in the idle state, within the set distributed inter-frame gap time, the Environmental samples are input to the pre-trained neural network model to identify whether there are heterogeneous signals; in the case of identifying the existence of heterogeneous signals, the WiFi sending end reduces the first idle channel detection threshold to the second idle channel detection threshold, and ends the described The distributed inter-frame gap time enters the back-off process, and uses the second idle channel detection threshold to detect the channel state in the back-off time slot, and then determines the transmission timing of the WiFi data packet according to the detection result. The invention can accurately identify heterogeneous signals, thereby reducing interference between heterogeneous networks.

Description

technical field [0001] The present invention relates to the technical field of heterogeneous network communication, and more particularly, to a method and system for realizing coexistence of heterogeneous networks. Background technique [0002] The vigorous development of the Internet of Things technology has brought about the explosive growth of wireless communication devices. Many devices use various communication protocols with different performances due to different needs. Wireless communication between devices using different protocols in the same frequency band will lead to cross-protocol interference. . For example, in the most common ISM2.4GHZ frequency band, WiFi devices cannot perceive ZigBee signals in the same frequency band with low transmit power due to factors such as large occupied bandwidth, high transmit power, and long transmission range. ZigBee receiving nodes collide, which greatly interferes with the information transmission of ZigBee nodes. [0003] ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W16/14H04W74/08
CPCH04W16/14H04W74/0816H04W74/085
Inventor 姚俊梅郑玮东伍楷舜
Owner SHENZHEN UNIV
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