CN103428807A - Communication relay node selection method, communication center node and wireless communication network - Google Patents
Communication relay node selection method, communication center node and wireless communication network Download PDFInfo
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- CN103428807A CN103428807A CN2013103567669A CN201310356766A CN103428807A CN 103428807 A CN103428807 A CN 103428807A CN 2013103567669 A CN2013103567669 A CN 2013103567669A CN 201310356766 A CN201310356766 A CN 201310356766A CN 103428807 A CN103428807 A CN 103428807A
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Abstract
The invention provides a communication relay node selection method, a communication center node and a wireless communication network, and relates to the field of communication. Communication relay nodes are arranged in the wireless communication network. The method includes the steps: externally transmitting a search target communication node data frame by the communication center node; receiving signal intensity values fed back by a plurality of communication nodes; selecting one communication node from the communication nodes to serve as a communication relay node according to the signal intensity values fed back when a target communication node corresponding to the data frame is positioned outside the communication nodes. The proper communication node is found and serves as the communication relay node by detecting signal intensity, so that the problems of excessive communication relay nodes, high communication redundancy and influence on reliability and stability of the communication network are solved.
Description
Technical field
The present invention relates to communication technical field, in particular to the system of selection of the communication repeating node in wireless communication networks and message center node, cordless communication network.
Background technology
Micropower wireless communication technology, because of its low-power, low-loss, MANET, characteristics such as recovery certainly, more and more is subject to the favor of the communications industries such as electric power.At present, for wireless communication technology, the selection of communication repeating node (especially micropower wireless communication technology), be by each communication node Random assignment time slot, jointly compete and produce, so each communication node to become the probability of communication repeating identical.In this case, may cause the communication repeating node too much, the communication redundancy degree increases, thereby affects the reliability and stability of communication network.
Summary of the invention
The object of the present invention is to provide the system of selection of the communication repeating node in a kind of wireless communication networks, to solve the above problems.
A kind of system of selection of communication repeating node is provided in an embodiment of the present invention, has said method comprising the steps of:
The message center node externally sends the Frame of finding destination communication node;
Receive the signal strength values of a plurality of communication node feedbacks;
When destination communication node corresponding to described Frame is outside described a plurality of communication nodes, according to the signal strength values of described feedback, select one as the communication repeating node in described a plurality of communication nodes.
Further, described when destination communication node corresponding to described Frame is outside described a plurality of communication nodes, according to the signal strength values of described feedback, in described a plurality of communication nodes, select a step as the communication repeating node to be specially:
Judge whether described a plurality of communication node comprises destination communication node;
If described a plurality of communication node does not comprise destination communication node, according to the signal strength signal intensity and the correspondence relationship information of sending probability and the signal strength values of described feedback that prestore, select the communication node of sending probability maximum as the communication repeating node.
Further, the correspondence relationship information of the described signal strength signal intensity prestored and sending probability is:
When signal strength signal intensity is 71～100, this communication node sending probability is 60%;
When signal strength signal intensity is 56～70, this communication node sending probability is 100%;
When signal strength signal intensity is 41～55, this communication node sending probability is 50%;
When signal strength signal intensity is 0～40, this communication node sending probability is 20%.
Further, described method also comprises:
The edit instruction of reception to the correspondence relationship information of the signal strength signal intensity that prestores and sending probability.
Another purpose of the embodiment of the present invention is to provide a kind of message center node, and described message center node comprises:
The Frame sending module, for externally sending the Frame of finding destination communication node;
The signal strength values receiver module, for receiving the signal strength values of a plurality of communication node feedbacks;
The communication repeating node is selected module, and for when destination communication node corresponding to described Frame is outside described a plurality of communication nodes, according to the signal strength values of described feedback, in described a plurality of communication nodes, one of selection is as the communication repeating node.
Further, described communication repeating node selects module specifically to comprise again:
Whether judge module, comprise destination communication node for judging described a plurality of communication node;
The maximum probability node is selected module, if do not comprise destination communication node for described a plurality of communication nodes,, according to the signal strength signal intensity and the correspondence relationship information of sending probability and the signal strength values of described feedback that prestore, select the communication node of sending probability maximum as the communication repeating node.
Further, the correspondence relationship information of the described signal strength signal intensity prestored and sending probability is:
When signal strength signal intensity is 71～100, this communication node sending probability is 60%;
When signal strength signal intensity is 56～70, this communication node sending probability is 100%;
When signal strength signal intensity is 41～55, this communication node sending probability is 50%;
When signal strength signal intensity is 0～40, this communication node sending probability is 20%.
Further, described message center node also comprises:
The edit instruction receiver module, for the edit instruction of the correspondence relationship information that receives signal strength signal intensity to prestoring and sending probability.
Another purpose of the embodiment of the present invention is to provide a kind of cordless communication network, and described cordless communication network comprises message center node, destination communication node and a plurality of communication node, and described message center node adopts message center node as above.
The invention provides the system of selection of the communication repeating node in wireless communication networks and message center node, cordless communication network, by detection signal strength, find suitable communication node as the communication repeating node, thereby it is too much to have solved the communication repeating node, the communication redundancy degree is large, affects the problem of the reliability and stability of communication network.
The accompanying drawing explanation
Fig. 1 is the flow chart of the system of selection of the communication repeating node that provides of the embodiment of the present invention;
Fig. 2 is the structural representation of the message center node that provides of the embodiment of the present invention.
Embodiment
Below by specific embodiment, also by reference to the accompanying drawings the present invention is described in further detail.
Fig. 1 shows the flow process of the system of selection of the communication repeating node that the embodiment of the present invention provides, and details are as follows:
In step S101, the message center node externally sends finds the destination communication node Frame.
In step S102, receive the signal strength values of a plurality of communication node feedbacks.
In step S103, when destination communication node corresponding to described Frame is outside described a plurality of communication nodes, according to the signal strength values of described feedback, select one as the communication repeating node in described a plurality of communication nodes.
As embodiments of the invention, it is described when destination communication node corresponding to described Frame is outside described a plurality of communication nodes, according to the signal strength values of described feedback, in described a plurality of communication nodes, select a step as the communication repeating node specifically to comprise 2 steps: (1) judges whether described a plurality of communication node comprises destination communication node; (2), if described a plurality of communication node does not comprise destination communication node, according to the signal strength signal intensity and the correspondence relationship information of sending probability and the signal strength values of described feedback that prestore, select the communication node of sending probability maximum as the communication repeating node.
As embodiments of the invention, the correspondence relationship information of the described signal strength signal intensity prestored and sending probability is: when signal strength signal intensity is 71～100, this communication node sending probability is 60%; When signal strength signal intensity is 56～70, this communication node sending probability is 100%; When signal strength signal intensity is 41～55, this communication node sending probability is 50%; When signal strength signal intensity is 0～40, this communication node sending probability is 20%.
As embodiments of the invention, this described method also comprises: the edit instruction that receives the correspondence relationship information of signal strength signal intensity to prestoring and sending probability.
Fig. 2 shows the structure of the message center node that the embodiment of the present invention provides, and this message center node can be used as the part in cordless communication network.Described cordless communication network comprises message center node, destination communication node and a plurality of communication node.
This message center node comprises: Frame sending module 21, signal strength values receiver module 22 and communication repeating node are selected module 23.This Frame sending module 21 externally sends the Frame of finding destination communication node, signal strength values receiver module 22 receives the signal strength values of a plurality of communication node feedbacks, the communication repeating node selects module 23 when destination communication node corresponding to described Frame is outside described a plurality of communication nodes, according to the signal strength values of described feedback, select one as the communication repeating node in described a plurality of communication nodes.
Described communication repeating node selects module specifically to comprise again: judge module and maximum probability node are selected module.Judge module judges whether described a plurality of communication node comprises destination communication node; If the maximum probability node selects the described a plurality of communication nodes of module not comprise destination communication node,, according to the signal strength signal intensity and the correspondence relationship information of sending probability and the signal strength values of described feedback that prestore, select the communication node of sending probability maximum as the communication repeating node.The correspondence relationship information of the described signal strength signal intensity prestored and sending probability is: when signal strength signal intensity is 71～100, this communication node sending probability is 60%; When signal strength signal intensity is 56～70, this communication node sending probability is 100%; When signal strength signal intensity is 41～55, this communication node sending probability is 50%; When signal strength signal intensity is 0～40, this communication node sending probability is 20%.
As embodiments of the invention, described message center node also comprises: the edit instruction receiver module, and for the edit instruction of the correspondence relationship information that receives signal strength signal intensity to prestoring and sending probability.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (9)
1. the system of selection of a communication repeating node, is characterized in that, said method comprising the steps of:
The message center node externally sends the Frame of finding destination communication node;
Receive the signal strength values of a plurality of communication node feedbacks;
When destination communication node corresponding to described Frame is outside described a plurality of communication nodes, according to the signal strength values of described feedback, select one as the communication repeating node in described a plurality of communication nodes.
2. the system of selection of communication repeating node according to claim 1, it is characterized in that, it is described when destination communication node corresponding to described Frame is outside described a plurality of communication nodes, according to the signal strength values of described feedback, in described a plurality of communication nodes, select a step as the communication repeating node to be specially:
Judge whether described a plurality of communication node comprises destination communication node;
If described a plurality of communication node does not comprise destination communication node, according to the signal strength signal intensity and the correspondence relationship information of sending probability and the signal strength values of described feedback that prestore, select the communication node of sending probability maximum as the communication repeating node.
3. the system of selection of communication repeating node according to claim 2, is characterized in that, the correspondence relationship information of the described signal strength signal intensity prestored and sending probability is:
When signal strength signal intensity is 71～100, this communication node sending probability is 60%;
When signal strength signal intensity is 56～70, this communication node sending probability is 100%;
When signal strength signal intensity is 41～55, this communication node sending probability is 50%;
When signal strength signal intensity is 0～40, this communication node sending probability is 20%.
4. according to the system of selection of the described communication repeating node of claim 2 or 3, it is characterized in that, described method also comprises:
The edit instruction of reception to the correspondence relationship information of the signal strength signal intensity that prestores and sending probability.
5. a message center node, is characterized in that, described message center node comprises:
The Frame sending module, for externally sending the Frame of finding destination communication node;
The signal strength values receiver module, for receiving the signal strength values of a plurality of communication node feedbacks;
The communication repeating node is selected module, and for when destination communication node corresponding to described Frame is outside described a plurality of communication nodes, according to the signal strength values of described feedback, in described a plurality of communication nodes, one of selection is as the communication repeating node.
6. message center node according to claim 5, is characterized in that, described communication repeating node selects module specifically to comprise again:
Whether judge module, comprise destination communication node for judging described a plurality of communication node;
The maximum probability node is selected module, if do not comprise destination communication node for described a plurality of communication nodes,, according to the signal strength signal intensity and the correspondence relationship information of sending probability and the signal strength values of described feedback that prestore, select the communication node of sending probability maximum as the communication repeating node.
7. message center node according to claim 5, is characterized in that, the correspondence relationship information of the described signal strength signal intensity prestored and sending probability is:
When signal strength signal intensity is 71～100, this communication node sending probability is 60%;
When signal strength signal intensity is 56～70, this communication node sending probability is 100%;
When signal strength signal intensity is 41～55, this communication node sending probability is 50%;
When signal strength signal intensity is 0～40, this communication node sending probability is 20%.
8. message center node according to claim 5, is characterized in that, described message center node also comprises:
The edit instruction receiver module, for the edit instruction of the correspondence relationship information that receives signal strength signal intensity to prestoring and sending probability.
9. a cordless communication network, is characterized in that, described cordless communication network comprises message center node, destination communication node and a plurality of communication node, and described message center node adopts the described message center node of any one in claim 5-8.
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Cited By (5)
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| CN105898816A (en) * | 2016-06-24 | 2016-08-24 | 北京永安信通科技有限公司 | Communication method, communication device and communication system for air return way ultra-wide-band wireless ad hoc network |
| CN110941284A (en) * | 2019-11-20 | 2020-03-31 | 黄锦山 | Relay network deployment method based on unmanned aerial vehicle and ground station equipment |
| CN111130613A (en) * | 2018-10-31 | 2020-05-08 | 珠海格力电器股份有限公司 | Terminal node equipment, relay control method and device and wireless communication networking |
| WO2020132803A1 (en) * | 2018-12-24 | 2020-07-02 | 深圳市柔宇科技有限公司 | Networking method and networking system |
| CN112311644A (en) * | 2019-07-31 | 2021-02-02 | 浙江宇视科技有限公司 | Bridge establishing method and device, network video recorder and readable storage medium |
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| CN110941284A (en) * | 2019-11-20 | 2020-03-31 | 黄锦山 | Relay network deployment method based on unmanned aerial vehicle and ground station equipment |
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Address after: 610045, Sichuan, Chengdu province Wuhou District Wu Qing Road (Wuhou hi tech Innovation Center incubator) Applicant after: CHENGDU BOOST INFORMATION TECHNOLOGY INC. Address before: 610045, Sichuan, Chengdu province Wuhou District Wu Qing Road (Wuhou hi tech Innovation Center incubator) Applicant before: Chengdu Boost Technology Co., Ltd. |
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