RF 433 M frequency band remote wireless ad hoc network and data transmission method

A wireless self-organizing, long-distance technology, applied in network topology, wireless communication, advanced technology, etc., can solve the problems of infinity extension, inability to realize long-distance data transmission, high power consumption of circuit transmission and reception, etc.

Active Publication Date: 2017-05-17
山东华昱交通科技有限公司
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Problems solved by technology

[0002] At present, the data transmission of the ad hoc network is still limited to short-distance data transmission, and the current transmission and reception circuits of the ad hoc network consume a lot of power. And when transmitting, the number of nodes is small, and cannot be extended indefinitely, etc.

Method used

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  • RF 433 M frequency band remote wireless ad hoc network and data transmission method
  • RF 433 M frequency band remote wireless ad hoc network and data transmission method
  • RF 433 M frequency band remote wireless ad hoc network and data transmission method

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Embodiment Construction

[0040] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0041] Such as Figure 1-4 as shown,

[0042] The logic program runs in the interrupt, and enters the main extension mode detection logic every 10ms. After entering the logic, it first judges whether the counter SetDelayTimer has reached the main extension mode judgment time,

[0043] If after reaching the master-extension mode judgment time, think that there is no node smaller than the node ID in front of the node ID, judge that this machine is the master-extension mode mode, clear SetDelayTimer=0 at the same time; set forwarding state TransmitMode=1;

[0044] If the main extension mode judgment time has not been reached, judge whether there is received wireless information from less than the ID of this machine, a, if there is, then the local machine is set as the extension mode, and SetDelayTimer=0 is clear at the same time; whether the forwarding ID...

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Abstract

The invention discloses a RF 433 M frequency band remote wireless ad hoc network and a data transmission method. The RF 433 M frequency band remote wireless ad hoc network comprises a linear network constructed by a successive cascade of several communication nodes. The communication nodes comprise a RF 433 M remote wireless radio frequency transceiver, and the RF 433 M remote wireless radio frequency transceiver is connected with a power management module and a STM 32 core processing unit. The RF 433 M frequency band remote wireless ad hoc network and the data transmission method have the advantages that the infinite extension problem of the linear wireless network is solved, and an operation in a linear wireless transmission is high in efficiency, time-saving, and low in power dissipation.

Description

technical field [0001] The invention relates to a long-distance wireless ad-hoc network in the RF433M frequency band and a data transmission method. Background technique [0002] At present, the data transmission of the ad hoc network is still limited to short-distance data transmission, and the current transmission and reception circuits of the ad hoc network consume a lot of power. And when transmitting, the number of nodes is small, and it cannot be extended indefinitely. Contents of the invention [0003] The purpose of the present invention is to solve the above problems, to provide a long-distance wireless ad hoc network and data transmission method in the RF433M frequency band, which solves the problem of infinite extension of the linear wireless network, and is efficient, time-saving, and efficient in the linear wireless transmission. low power operation. [0004] In order to achieve the above object, the present invention adopts the following technical solutions...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/06H04W84/18
CPCH04W4/06H04W84/18Y02D30/70
Inventor 巩华良巩玉浩王照刘序军张翔
Owner 山东华昱交通科技有限公司
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