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Communication method for same-frequency multi-terminal wireless communication network

A technology of wireless communication and communication method, applied in the direction of wireless communication, electrical components, etc., can solve problems such as communication confusion, achieve the effect of ensuring the effectiveness of interception, avoiding communication confusion, and reducing power consumption

Active Publication Date: 2016-02-10
洛阳乾禾仪器有限公司
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to provide a communication method for the same frequency multi-terminal wireless communication network, to solve the problem of communication confusion caused when multiple network nodes want to send data at the same time

Method used

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Embodiment Construction

[0020] In this application, before each network node wants to initiate data transmission, it periodically listens to whether the network is idle in units of a time slice, which includes T1 (minimum data gap time) and T2, and T2 is only 10% of T1 To 50%, T2 is to ensure that the node is not inserted into a data stream that is being transmitted. The T1+T2 listened to by each network node is the same, but when the node sends data, it is not within the minimum data gap time When receiving the agreed response, if you choose to listen to the transmission again, you should add a random time T3 to the listening time slice, and T3 is the transmission time of 0 to 10 consecutive bytes.

[0021] When each node wants to initiate data transmission, it starts from the time point when it wants to send data, and periodically performs network idle listening in units of time slices. Even if the network is idle, the network node will not send data immediately. It has to wait until the end of the...

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Abstract

The invention relates to a communication method for a common-frequency multi-terminal wireless communication network. The communication method includes that network nodes use point-in-time of data transmission which needs launching as a start point, use a time slice as a unit to carry out periodic network idle interception, and even though the network nodes intercept that the network is idle, the network nodes still insist on the overall monitoring of the time slice period until the period is finished; if the network is idle, the nodes can transmit data, and if the time slice period is finished, the network is not idle, the nodes then continue the interception by using the time slices as the period; the time slices of each network node to intercept are the same before each node finds the idle network and launches the network transmission; when the idle network is found in a certain time slice period and the network nodes send the data immediately, if arranged responses are not received within agreed smallest data gap time, the network nodes can increase a random time on the original time slices in the continuous interception process, so communication chaos caused by 'scrambling for speaking' of a plurality of network nodes can be avoided.

Description

technical field [0001] The invention relates to a communication method for a same-frequency multi-terminal wireless communication network. Background technique [0002] Wireless communication is increasingly widely used, and the application demand for a communication network composed of multiple communication points of the same channel (one or more centers and multiple sub-communication nodes) is becoming increasingly prominent. When a network node wants to send data, if there is data in the network transmission, then the task of the node sending data will fail. Therefore, in order to avoid this kind of network conflict, it must first listen for a certain period of time. When it detects that there is no data to send in the network, it will send its own data. , However, when multiple nodes want to send data at the same time, and all listen for the same period of time, and find that there is no data transmission in the network, they will send data at the same time, which will ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W74/08
Inventor 仲志丹庞永星
Owner 洛阳乾禾仪器有限公司
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