Method and system for realizing coexistence of heterogeneous networks

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

Active Publication Date: 2020-11-13
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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  • Method and system for realizing coexistence of heterogeneous networks
  • Method and system for realizing coexistence of heterogeneous networks
  • Method and system for realizing coexistence of heterogeneous networks

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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 arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

[0031] The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting 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 description.

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

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Abstract

The invention discloses a method and a system for realizing coexistence of heterogeneous networks. The method comprises the following steps: enabling a WiFi sending end to judge a channel state by using a set first idle channel detection threshold based on an acquired environment sample; under the condition that the channel is judged to be in an idle state, inputting the environment sample into apre-trained neural network model in the set distributed inter-frame gap time to identify whether a heterogeneous signal exists or not; and if the existence of the dissimilar signal is identified, enabling the WiFi sending end to reduce the first idle channel detection threshold value to a second idle channel detection threshold value, ending the distributed inter-frame gap time, entering a backoffprocess, detecting a channel state by using the second idle channel detection threshold value in a backoff time slot, and further determining the transmission opportunity of the WiFi data packet according to a detection result. According to the invention, the heterogeneous signals can be accurately identified, so that the interference between heterogeneous networks is reduced.

Description

technical field [0001] The present invention relates to the technical field of heterogeneous network communication, and more specifically, 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. Due to different needs, various devices adopt multiple communication protocols with different performances. Devices using different protocols for wireless communication 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 transmission power due to factors such as large bandwidth occupation, high transmission power, and long transmission range. ZigBee receiving nodes collide, which greatly interferes with the information transmission of ZigBee node...

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Application Information

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Patent Type & Authority Applications(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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