CN211296950U - Distributed self-organizing wireless narrowband communication system - Google Patents
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- CN211296950U CN211296950U CN201922483491.0U CN201922483491U CN211296950U CN 211296950 U CN211296950 U CN 211296950U CN 201922483491 U CN201922483491 U CN 201922483491U CN 211296950 U CN211296950 U CN 211296950U
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Abstract
The utility model provides a distributing type is wireless narrow-band communication system from organizing, include: the system comprises a server, at least one transmission node device and a plurality of terminal devices; each transmission node device and each terminal device are provided with a distributed self-organizing wireless narrow-band communication module, each terminal device is in self-organizing network connection with each transmission node device or other terminal devices in an effective communication range through the distributed self-organizing wireless narrow-band communication modules on the terminal device, and the server is in communication connection with at least one transmission node device. The utility model provides a wireless narrowband communication system of distributing type self-organizing avoids the transmission trouble that the single node trouble arouses, can guarantee the target device that data information can transmit fast and efficiently.
Description
Technical Field
The utility model relates to a computer network technical field particularly, relates to a wireless narrowband communication system of distributing type self-organizing.
Background
The narrow-band Internet of things technology is a novel Internet of things technology and has the application scene of the Internet of things with low speed, low cost, low power consumption, wide coverage and large connection. The wireless transmission part is the key of the electrocardio telemetry system and plays an important role in the electrocardio telemetry system. The wireless transmission modes are many, and the current internet of things technology has great problems in some occasions. For example, the bluetooth transmission distance is only a few meters, and the transmission rate is low, so that the bluetooth transmission device is not suitable for a large internet of things with a long distance; wifi is high in cost, needs an independent network card and a router or AP equipment; the zigbee technology needs to have a root routing design, and when a single node fault occurs, a data transmission fault is caused.
In view of the above problems, no effective technical solution exists at present.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the utility model is to provide a distributing type is from wireless narrowband communication system of organizing, avoids the transmission trouble that the single node trouble arouses, can guarantee the target device that data information can transmit fast and efficiently.
The embodiment of the utility model provides a distributed self-organizing wireless narrowband communication system, include: the system comprises a server, at least one transmission node and a plurality of terminal devices;
each transmission node device and each terminal device are provided with a distributed self-organizing wireless narrow-band communication module, each terminal device is in self-organizing network connection with each transmission node device or other terminal devices in an effective communication range through the distributed self-organizing wireless narrow-band communication modules on the terminal device, and the server is in communication connection with at least one transmission node device.
Optionally, in the embodiment of the present invention, the number of the transmission nodes is multiple in the distributed ad hoc wireless narrowband communication system.
Optionally, in the embodiment of the present invention, the distributed self-organizing wireless narrowband communication system further comprises a detection module, the detection module is connected to the distributed self-organizing wireless narrowband communication module in a communication manner, the detection module is used for detecting the body parameters of the user, and the body parameters are passed through the distributed self-organizing wireless narrowband communication module is sent to any other terminal device or transmission node device within the effective communication range, so as to transmit the body parameters to the server.
Optionally, be in the embodiment of the utility model provides an among the wireless narrowband communication system of distributed self-organizing, it detects the module for the electrocardio.
Optionally, the embodiment of the utility model provides an among the wireless narrowband communication system of distributed self-organizing, the detection module is electrocardio, blood oxygen and blood pressure detection module.
Optionally, in the embodiment of the present invention, in the distributed ad-hoc wireless narrowband communication system, the server is connected to the at least one transmission node device through a network.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the embodiments of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to these drawings without inventive efforts.
Fig. 1 is a structural diagram of a distributed ad hoc wireless narrowband communication system according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a communication link topology in a data transmission method according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a data transmission device according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a distributed ad hoc wireless narrowband communication system according to some embodiments of the present invention. The distributed self-organizing wireless narrowband communication system comprises: a server 30, at least one transmission node device 20 and a plurality of terminal devices 10.
Each transmission node device 20 and each terminal device 10 are provided with a distributed ad hoc wireless narrowband communication module 12, each terminal device 20 performs ad hoc network connection with each transmission node device 20 or other terminal devices 10 in an effective communication range through the distributed ad hoc wireless narrowband communication module 12 thereon, and the server 30 is in communication connection with each transmission node device 20. The number of the transmission node devices 20 is plural. The terminal device 10 further includes a detection module 12, the detection module 11 is in communication connection with the corresponding distributed self-organized wireless narrowband communication module 12, the detection module 11 is configured to detect a physical parameter of a user, and send the physical parameter to any other terminal device 10 or transmission node device 20 in an effective communication range through the distributed self-organized wireless narrowband communication module 12, so as to upload the physical parameter to the server 30.
In some embodiments, the detecting module 11 is an electrocardiograph detecting module. Or the detection module is an electrocardio, blood oxygen and blood pressure detection module. For example, the detection module 11 may be a detection bracelet on which the distributed ad-hoc wireless narrowband communication module 12 is integrated. The distributed ad-hoc wireless narrowband communication module 12 is an ad-hoc network communication module in the prior art, and is named as a distributed ad-hoc wireless narrowband communication module because it has a plurality of terminals and transmission nodes 20 distributed on different terminal devices and transmission nodes, respectively.
Wherein, the server is connected with each transmission node device through a network.
The distributed self-organizing wireless narrowband communication method is applied to a distributed self-organizing wireless narrowband communication system, and the distributed self-organizing wireless narrowband communication system comprises a server, at least one transmission node device and a plurality of terminal devices. The method is applied to the terminal equipment and comprises the following steps:
s101, data information to be sent is obtained, the data information carries first identification information of target equipment which finally receives the data information, and the target equipment is other terminal equipment or transmission node equipment.
S102, a routing state table of the current terminal equipment is inquired to obtain a wireless communication link topological structure of the distributed self-organizing wireless narrowband communication system, two nodes connected on the wireless communication link topological structure are in communication connection, each node independently maintains routing information in the routing state table of the node, and routing binding between the nodes is not needed.
S103, acquiring a target transmission path according to the wireless communication link topological structure, wherein the target transmission path points to the target equipment from the current terminal equipment.
And S104, sending the data information to a next node on the target transmission path, wherein the next node is transmission node equipment or other terminal equipment.
In step S101, the data information acquired by the current terminal device may be data information generated by performing a detection operation by itself, that is, the current terminal device is a starting device for sending the data information. The data information may also be data information received from other terminal devices or transmission node devices, that is, an intermediate node transmitted by the current terminal device for the data information. The data information includes target data and first identification information. The target data is detection data to be transmitted to the server or core data to be issued by the server to a certain terminal device. The first identification information is used for indicating the end point of the data information transmission.
In this step S102, the terminal device may acquire the link connection status of the whole system in a broadcast manner, which belongs to the prior art and is not described herein too much. Then, a wireless communication link topology including nodes each corresponding to a terminal device or a transmission node device is established. As shown in fig. 2, the current terminal device is connected to the transmission node device through a network formed by nodes a to I. Of course, it is understood that two nodes connected to each other may be bi-directional intercommunicated or may be uni-directional connected.
It is understood that in some embodiments, before executing the step S102, the following steps are also required to be executed: and when the data information to be sent is detected, updating the routing state table of the current terminal equipment. That is, the routing state table is updated in real time each time data information is transmitted, so as to avoid that the topology structure of the wireless communication link does not conform to the current situation.
In step S103, an optimal transmission path from the current terminal device to the target device is established through the topology of the wireless communication link, that is, the target transmission path. When the target path is established, the principle of the minimum hop count is used as much as possible, so that the forwarding times of the intermediate node are reduced, and the transmission efficiency is improved.
Specifically, in some embodiments, this step S103 includes: and acquiring a transmission path with the minimum hop number as a target transmission path according to the wireless communication link topological structure. Of course, in this case, there is only one transmission path with the smallest number of hops, so that no other parameters need to be used for further screening.
In some embodiments, this step S103 includes: s1031, obtaining at least two transmission paths with the minimum hop number according to the wireless communication link topological structure; s1031, obtaining the delay information of each transmission path according to the routing state table; s1033, the transmission path with the minimum transmission delay is screened out from the at least two transmission paths according to the delay information and used as a target transmission path. However, since the hop counts of the at least two transmission paths are the same, it is necessary to perform the determination based on other parameters. The delay information may be obtained by broadcasting. Each terminal device has two channels, a control information transmission channel and a data information transmission channel. The delay information is broadcast over the control information transmission channel. In step S1033, the transmission path with the smallest average delay time is selected as the target transmission path from among the plurality of transmission paths satisfying the smallest number of hops. That is, the transmission delays of the nodes are summed and divided by the number of nodes on the transmission path.
In some embodiments, this step S103 includes: s1034, acquiring at least two transmission paths with the minimum hop number according to the wireless communication link topological structure; s1035, obtaining signal strength information of each transmission path according to the routing state table; s1036, screening out the transmission path with the strongest signal strength from the at least two transmission paths according to the signal strength information to serve as a target transmission path. However, since the hop counts of the at least two transmission paths are the same, it is necessary to perform the determination based on other parameters. The delay information may be obtained by broadcasting. Each terminal device has two channels, a control information transmission channel and a data information transmission channel. The signal strength information is broadcast over the control information transmission channel. The signal strength information refers to the strength of a communication signal between any two adjacent nodes on the transmission path. In step S1036, among the plurality of transmission paths satisfying the minimum hop count, the transmission path having the highest average signal strength is selected as the target transmission path.
In some embodiments, this step S103 includes: s1037, acquiring at least two transmission paths with the minimum hop number according to the wireless communication link topology structure; s1038, acquiring signal strength information and delay information of each transmission path according to the routing state table; s1039, a transmission path is screened out from the at least two transmission paths as a target transmission path according to the signal intensity information and the time delay information. By performing equalization selection in combination with the delay information and the signal strength information, for example, weighting coefficients of signal strength and delay may be preset, and then selection is performed based on the set weighting coefficients, so as to screen out a transmission path with stronger signal strength and smaller delay.
In some embodiments, this step S103 comprises the following sub-steps: acquiring at least two transmission paths with the minimum hop number according to the wireless communication link topological structure; acquiring signal strength information, delay information, link quality parameters and electric quantity information of each node on each transmission path according to the routing state table; and screening out one transmission path from at least two transmission paths as a target transmission path according to the signal strength information, the delay information, the link quality parameters and the electric quantity information of each node on the path. Wherein the link quality parameter is calculated according to predefined parameters, such as channel status, task amount, etc. The electric quantity information is the electric quantity information of the battery of each terminal device on the path, so that transmission interruption caused by midway power failure is avoided.
In step S104, after the target transmission path is obtained, the data information may be directly sent to the next node on the target transmission path. The next node is a transmission node device or other terminal device. When the next node receives the data information, if the node is not the final node, the node also executes the operation executed by the current terminal equipment, replans the target transmission path according to the current real-time routing state table, and then transmits the data information to the next node until the data information is transmitted to the target equipment.
It is to be understood that, in some embodiments, this step S103 includes: acquiring a transmission path with the minimum hop count as a target transmission path according to the wireless communication link topological structure; and acquiring a transmission path with the second smallest hop count as a standby transmission path according to the wireless communication link topology structure. That is, two transmission paths need to be established, one of which is used as a backup.
Correspondingly, after the step S104 is completed, the method further includes the following steps:
and S105, judging whether receiving response information of the next node is received within a preset time period, wherein the receiving response information is information returned to the current terminal equipment by the next node after the data information is received.
And S106, if the receiving response information is not received, sending the data information to the next node on the standby transmission path.
In step S105, the preset time periods may be set to 5S or 6S, 3S, etc. Of course, it is understood that the preset time period may also be set based on the size of the data information, and the larger the data information is, the longer the preset time period is.
In the step S106, the same procedure as that of the step S104 is performed, except that the target transmission path is replaced with the alternate transmission path.
As can be seen from the above, in the present application, data information to be sent is obtained, where the data information carries first identification information of a target device that finally receives the data information, and the target device is other terminal device or transmission node device; inquiring a routing state table of current terminal equipment to acquire a wireless communication link topological structure of the distributed self-organizing wireless narrowband communication system, wherein two nodes connected on the wireless communication link topological structure are in communication connection; acquiring a target transmission path according to the wireless communication link topological structure, wherein the target transmission path points to the target equipment from the current terminal equipment; sending the data information to a next node on the target transmission path, wherein the next node is transmission node equipment or other terminal equipment; therefore, data transmission is realized, data information is forwarded through the nodes, and a proper target transmission path is selected according to the routing state table, so that transmission faults caused by single-node faults can be avoided, and target equipment capable of quickly and efficiently transmitting the data information can be ensured.
Referring to fig. 3, fig. 3 is a block diagram of a distributed ad hoc wireless narrowband communication device according to some embodiments of the present application. The device includes: a first obtaining module 201, a second obtaining module 202, a third obtaining module 203 and a sending module 204.
The first obtaining module 201 is configured to obtain data information to be sent, where the data information carries first identification information of a target device that finally receives the data information, and the target device is other terminal device or transmission node device; the data information acquired by the current terminal device may be data information generated by performing a detection operation by itself, that is, the current terminal device is a starting device for sending the data information. The data information may also be data information received from other terminal devices or transmission node devices, that is, an intermediate node transmitted by the current terminal device for the data information. The data information includes target data and first identification information. The target data is detection data to be transmitted to the server or core data to be issued by the server to a certain terminal device. The first identification information is used for indicating the end point of the data information transmission. Each node independently maintains the routing information in the routing state table of the node, and routing binding is not needed among the nodes.
The second obtaining module 202 is configured to query a routing state table of a current terminal device to obtain a wireless communication link topology structure of the distributed self-organizing wireless narrowband communication system, where two nodes connected on the wireless communication link topology structure are in communication connection; the terminal device may obtain the link connection condition of the whole system in a broadcast manner, which belongs to the prior art and is not described too much herein. Then, a wireless communication link topology including nodes each corresponding to a terminal device or a transmission node device is established. As shown in fig. 3, the current terminal device is connected to the transmission node device through a network formed by nodes a to I. Of course, it is understood that two nodes connected to each other may be bi-directional intercommunicated or may be uni-directional connected. It is to be appreciated that in some embodiments, the second obtaining module 202 is further configured to: and when the data information to be sent is detected, updating the routing state table of the current terminal equipment. That is, the routing state table is updated in real time each time data information is transmitted, so as to avoid that the topology structure of the wireless communication link does not conform to the current situation.
The third obtaining module 203 is configured to obtain a target transmission path according to the wireless communication link topology, where the target transmission path points to the target device from the current terminal device. An optimal transmission path from the current terminal equipment to the target equipment is established through the wireless communication link topological structure, namely the target transmission path. When the target path is established, the principle of the minimum hop count is used as much as possible, so that the forwarding times of the intermediate node are reduced, and the transmission efficiency is improved.
Specifically, in some embodiments, the third obtaining module 203 is configured to: and acquiring a transmission path with the minimum hop number as a target transmission path according to the wireless communication link topological structure. Of course, in this case, there is only one transmission path with the smallest number of hops, so that no other parameters need to be used for further screening.
In some embodiments, the third obtaining module 203 is configured to: acquiring at least two transmission paths with the minimum hop number according to the wireless communication link topological structure; acquiring the delay information of each transmission path according to the routing state table; and screening out the transmission path with the minimum transmission delay from the at least two transmission paths according to the delay information to be used as a target transmission path. However, since the hop counts of the at least two transmission paths are the same, it is necessary to perform the determination based on other parameters. The delay information may be obtained by broadcasting. Each terminal device has two channels, a control information transmission channel and a data information transmission channel. The delay information is broadcast over the control information transmission channel. Among the plurality of transmission paths satisfying the minimum hop count, the transmission path with the minimum average delay time is selected as the target transmission path. That is, the transmission delays of the nodes are summed and divided by the number of nodes on the transmission path.
In some embodiments, the third obtaining module 203 is configured to: acquiring at least two transmission paths with the minimum hop number according to the wireless communication link topological structure; acquiring signal intensity information of each transmission path according to the routing state table; and screening out the transmission path with the strongest signal strength from the at least two transmission paths according to the signal strength information to serve as a target transmission path. However, since the hop counts of the at least two transmission paths are the same, it is necessary to perform the determination based on other parameters. The delay information may be obtained by broadcasting. Each terminal device has two channels, a control information transmission channel and a data information transmission channel. The signal strength information is broadcast over the control information transmission channel. The signal strength information refers to the strength of a communication signal between any two adjacent nodes on the transmission path. Among a plurality of transmission paths satisfying the minimum number of hops, a transmission path having the maximum average signal strength is selected as a target transmission path.
In some embodiments, the third obtaining module 203 is configured to: acquiring at least two transmission paths with the minimum hop number according to the wireless communication link topological structure; acquiring signal strength information and delay information of each transmission path according to the routing state table; and screening one transmission path from the at least two transmission paths as a target transmission path according to the signal strength information and the delay information. By performing equalization selection in combination with the delay information and the signal strength information, for example, weighting coefficients of signal strength and delay may be preset, and then selection is performed based on the set weighting coefficients, so as to screen out a transmission path with stronger signal strength and smaller delay.
The sending module 204 is configured to send the data information to a next node on the target transmission path, where the next node is a transmission node device or other terminal device. After the target transmission path is obtained, the data information may be directly sent to the next node on the target transmission path. The next node is a transmission node device or other terminal device. When the next node receives the data information, if the node is not the final node, the node also executes the operation executed by the current terminal equipment, replans the target transmission path according to the current real-time routing state table, and then transmits the data information to the next node until the data information is transmitted to the target equipment.
As can be seen from the above, in the present application, data information to be sent is obtained, where the data information carries first identification information of a target device that finally receives the data information, and the target device is other terminal device or transmission node device; inquiring a routing state table of current terminal equipment to acquire a wireless communication link topological structure of the distributed self-organizing wireless narrowband communication system, wherein two nodes connected on the wireless communication link topological structure are in communication connection; acquiring a target transmission path according to the wireless communication link topological structure, wherein the target transmission path points to the target equipment from the current terminal equipment; sending the data information to a next node on the target transmission path, wherein the next node is transmission node equipment or other terminal equipment; therefore, data transmission is realized, data information is forwarded through the nodes, and a proper target transmission path is selected according to the routing state table, so that transmission faults caused by single-node faults are avoided, and target equipment capable of quickly and efficiently transmitting the data information can be ensured.
Referring to fig. 4, fig. 4 is a schematic structural diagram of a terminal device according to an embodiment of the present application, where the present application provides a terminal device 3, including: a processor 301 and a memory 302, the processor 301 and the memory 302 being interconnected and communicating with each other via a communication bus 303 and/or other form of connection mechanism (not shown), the memory 302 storing a computer program executable by the processor 301, the computer program being executable by the processor 301 when the computing device is running to perform the method of any of the alternative implementations of the embodiments described above when the processor 301 executes the computer program.
In the embodiments provided in the present disclosure, it should be understood that the disclosed apparatus and method may be implemented in other manners. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one logical division, and there may be other divisions when actually implemented, and for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of devices or units through some communication interfaces, and may be in an electrical, mechanical or other form.
In addition, units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
Furthermore, the functional modules in the embodiments of the present invention may be integrated together to form an independent part, or each module may exist alone, or two or more modules may be integrated to form an independent part.
In this document, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
The above description is only an example of the present invention and is not intended to limit the scope of the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A distributed ad-hoc wireless narrowband communication system, comprising: the system comprises a server, at least one transmission node device and a plurality of terminal devices;
each transmission node device and each terminal device are provided with a distributed self-organizing wireless narrow-band communication module, each terminal device is in self-organizing network connection with each transmission node device or other terminal devices in an effective communication range through the distributed self-organizing wireless narrow-band communication modules on the terminal device, and the server is in communication connection with at least one transmission node device.
2. The distributed ad-hoc wireless narrowband communication system of claim 1, wherein the number of the transmission node devices is plural.
3. The distributed ad-hoc wireless narrowband communication system according to claim 1, wherein the terminal device further comprises a detection module, the detection module is connected to the corresponding distributed ad-hoc wireless narrowband communication module, and the detection module is configured to detect a physical parameter of a user and send the physical parameter to any other terminal device or transmission node device within an effective communication range through the distributed ad-hoc wireless narrowband communication module, so as to upload the physical parameter to the server.
4. The distributed self-organizing wireless narrowband communication system of claim 3, wherein the detection module is an electrocardiographic detection module.
5. The distributed self-organizing wireless narrowband communication system of claim 3, wherein the detection module is an electrocardiography, blood oxygen and blood pressure detection module.
6. The distributed ad-hoc wireless narrowband communication system according to claim 1, wherein the server and the at least one transmission node device are connected by a network.
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