CN107580056B - Internet of things communication method and internet of things gateway - Google Patents
Internet of things communication method and internet of things gateway Download PDFInfo
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- CN107580056B CN107580056B CN201710816639.0A CN201710816639A CN107580056B CN 107580056 B CN107580056 B CN 107580056B CN 201710816639 A CN201710816639 A CN 201710816639A CN 107580056 B CN107580056 B CN 107580056B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/29—Flow control; Congestion control using a combination of thresholds
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
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Abstract
The application discloses an Internet of things communication method and an Internet of things gateway, and the method comprises the following steps: the method comprises the steps that an Internet of things gateway establishes a plurality of ring networks according to a first repeater, a plurality of second repeaters and a plurality of preset service types, each ring network in the plurality of ring networks comprises the first repeater and at least one second repeater, and the repeaters contained in any two ring networks in the plurality of ring networks are not identical; the plurality of service types correspond to the plurality of ring networks one by one; the gateway of the internet of things sends the one-to-one correspondence between the plurality of ring networks and the plurality of service types to the first repeater so that the first repeater can determine the ring network corresponding to the target service type and send the received data belonging to the target service type to the next hop of the first repeater in the ring network corresponding to the target type. By adopting the technical scheme provided by the application, the data transmission efficiency can be improved.
Description
Technical Field
The application relates to the field of communication, in particular to an internet of things communication method and an internet of things gateway.
Background
The Internet of things is an important component of a new generation of information technology and is also an important development stage of the 'informatization' era. Its english name is: "Internet of things (IoT)". As the name implies, the Internet of things is the Internet with connected objects. This has two layers: firstly, the core and the foundation of the internet of things are still the internet, and the internet is an extended and expanded network on the basis of the internet; and secondly, the user side extends and expands to any article to perform information exchange and communication, namely, the article information. The internet of things is widely applied to network fusion through communication perception technologies such as intelligent perception, identification technology and pervasive computing, and is also called as the third wave of development of the world information industry after computers and the internet. The internet of things is an application expansion of the internet, and is not a network, but a business and an application. Therefore, the application innovation is the core of the development of the internet of things, and the innovation 2.0 taking the user experience as the core is the soul of the development of the internet of things.
How to improve the stability and transmission efficiency of the repeaters in the internet of things during data relay is a technical problem being studied by those skilled in the art.
Disclosure of Invention
The application provides an Internet of things communication method and an Internet of things gateway, which can improve data transmission efficiency.
In a first aspect, an embodiment of the present application provides an internet of things communication method, where the method includes:
the method comprises the steps that an Internet of things gateway establishes a plurality of ring networks according to a first repeater, a plurality of second repeaters and a plurality of preset service types, each ring network in the plurality of ring networks comprises the first repeater and at least one second repeater, and the repeaters contained in any two ring networks in the plurality of ring networks are not identical; the plurality of service types correspond to the plurality of ring networks one by one;
the gateway of the internet of things sends the one-to-one correspondence between the plurality of ring networks and the plurality of service types to the first repeater so that the first repeater can determine the ring network corresponding to the target service type and send the received data belonging to the target service type to the next hop of the first repeater in the ring network corresponding to the target service type.
By executing the steps, the first repeater receives the one-to-one correspondence relationship between the service types and the looped networks sent by the gateway of the internet of things, transmits the data by using the looped network corresponding to the target service type to which the data belongs after subsequently receiving the data sent by the terminal, and can improve the transmission efficiency of the data (of the service) by differentially transmitting the data (of the service) of different service types.
With reference to the first aspect, in a first possible implementation manner of the first aspect, the multiple service types include a first type and a second type, and a quantity of the first type of service is greater than a data volume of the second type of service; the plurality of ring networks include a first ring network and a second ring network, the number of repeaters in the first ring network is greater than the number of repeaters in the second ring network, the first ring network is used for transmitting the second type of service, and the second ring network is used for transmitting the first type of service. It can be understood that the more repeaters in the ring network, the longer the transmission time of the service in the ring network theoretically will be, and it can also be understood that the more repeaters in the ring network, the lower the transmission efficiency of the service in the ring network will be, and in the embodiment of the present application, it is considered that the transmission time of the service with larger data volume can be shortened by transmitting the service with larger data volume in the ring network with higher transmission efficiency, so as to avoid transmission congestion. And the service with smaller data volume is smaller in volume, so that the congestion generally does not occur when the service with smaller data volume is transmitted in the ring network with lower transmission efficiency.
With reference to the first aspect, or any one of the foregoing possible implementation manners of the first aspect, in a second possible implementation manner of the first aspect, after the sending, by the gateway of the internet of things to the first repeater, the one-to-one correspondence between the plurality of ring networks and the plurality of service types, the method further includes:
the gateway of the Internet of things detects the load condition of each looped network in the plurality of looped networks;
if the number of the loads in the plurality of looped networks exceeds the preset number of the loads to reach the preset number, the gateway of the internet of things adjusts the looped networks corresponding to the plurality of service types;
and the gateway of the Internet of things sends the information of the looped network corresponding to each of the plurality of service types to the first repeater. That is, if the load of many established ring networks is relatively large, the gateway of the internet of things resets the ring network corresponding to each service type in the plurality of service types, thereby ensuring that the services of the plurality of service types can be efficiently transmitted.
With reference to the first aspect or any one of the foregoing possible implementation manners of the first aspect, in a third possible implementation manner of the first aspect, the adjusting, by the internet of things gateway, a ring network corresponding to each of the multiple service types includes:
if the corresponding relation between the service types and the looped networks is adjusted by the gateway of the internet of things, the fact that the number of loads in the looped networks which exceed a preset load is less than a preset number can be achieved, and the corresponding relation between the service types and the looped networks is adjusted by the gateway of the internet of things;
if the corresponding relation between the plurality of service types and the plurality of ring networks cannot be adjusted by the gateway of the internet of things, the number of loads in the plurality of ring networks exceeding the preset loads is less than the preset number, and the gateway of the internet of things establishes a new corresponding ring network for each service type in the plurality of service types. That is, there is a priority when selecting the adjustment mode, if the established multiple ring networks correspond to the multiple service types again to ensure that the services of the multiple service types can be effectively carried, then no other ring network is re-established; if the established multiple ring networks correspond to the multiple service types again and the services of the multiple service types cannot be guaranteed to be effectively carried, then reestablishing other ring networks; therefore, under the condition of ensuring that the services of the plurality of service types are effectively carried, the overhead caused by the establishment of the ring network can be reduced as much as possible.
With reference to the first aspect, or any one of the foregoing possible implementation manners of the first aspect, in a fourth possible implementation manner of the first aspect, the plurality of ring networks include a fourth ring network; after the internet of things gateway sends the one-to-one correspondence between the plurality of ring networks and the plurality of service types to the first repeater, the method further includes:
the gateway of the internet of things detects the load of each looped network in the plurality of looped networks;
if the load of the fourth ring network is higher than a fourth preset threshold value, the gateway of the internet of things sends indication information to the first repeater, and the indication information is used for indicating that the fifth ring network shares the service transmitted by the fourth ring network; the fifth ring network is a ring network, in which a repeater included in each ring network having a load lower than the fourth preset threshold among the plurality of ring networks is closest to a repeater included in the fourth ring network. It can be understood that, when the load of the fourth ring network is higher, the fifth ring network is configured to jointly bear the service of the fourth ring network, so that resources can be reasonably allocated, and the transmission efficiency of the plurality of ring networks is further improved.
With reference to the first aspect, or any one of the foregoing possible implementation manners of the first aspect, in a fifth possible implementation manner of the first aspect, the plurality of ring networks includes at least one third ring network, and a position relationship between repeaters in the third ring network satisfies the following condition:
wherein d1 is a distance from the center of the third ring network to a repeater closest to the center in the third ring network, d2 is a distance from the center of the third ring network to a repeater farthest from the center in the third ring network, and the center of the third ring network is a center of a graph of a largest area surrounded by links between repeaters in the third ring network. The inventor of the present application finds, during research, that when the positions between the repeaters in the third ring network satisfy the requirement of the above formula, a graph of a maximum area surrounded by links between the repeaters in the third ring network is approximate to a circle, and when the graph is approximate to a circle, the graph can ensure that a union set of signal coverage areas of the repeaters is maximum, so that a relay service can be provided for more terminals for the repeaters in the third ring network; in addition, in this case, the distance between two repeaters in communication connection in the third ring network is not too long, which is beneficial to improving the stability of ring network transmission.
In a second aspect, an embodiment of the present application provides an internet of things gateway, which includes a processor, a memory, and a transceiver, where the memory is configured to store program instructions, and the processor is configured to call the program instructions to perform the following operations:
establishing a plurality of ring networks according to a first repeater, a plurality of second repeaters and a plurality of preset service types, wherein each ring network in the plurality of ring networks comprises the first repeater and at least one second repeater, and the repeaters contained in any two ring networks in the plurality of ring networks are not completely the same; the plurality of service types correspond to the plurality of ring networks one by one;
and sending the one-to-one correspondence between the plurality of ring networks and the plurality of service types to the first repeater through the transceiver, so that the first repeater determines the ring network corresponding to the target service type and sends the received data belonging to the target service type to the next hop of the first repeater in the ring network corresponding to the target service type.
By executing the operation, the first repeater receives the one-to-one correspondence relationship between the plurality of service types and the plurality of ring networks sent by the gateway of the internet of things, transmits the data by using the ring network corresponding to the target service type to which the data belongs after subsequently receiving the data sent by the terminal, and can improve the transmission efficiency of the data (of the service) by differentiated transmission of the data (of the service) of different service types.
With reference to the second aspect, in a first possible implementation manner of the second aspect, the plurality of service types include a first type and a second type, and the number of the first type of service is greater than the data volume of the second type of service; the plurality of ring networks include a first ring network and a second ring network, the number of repeaters in the first ring network is greater than the number of repeaters in the second ring network, the first ring network is used for transmitting the second type of service, and the second ring network is used for transmitting the first type of service. It can be understood that the more repeaters in the ring network, the longer the transmission time of the service in the ring network theoretically will be, and it can also be understood that the more repeaters in the ring network, the lower the transmission efficiency of the service in the ring network will be, and in the embodiment of the present application, it is considered that the transmission time of the service with larger data volume can be shortened by transmitting the service with larger data volume in the ring network with higher transmission efficiency, so as to avoid transmission congestion. And the service with smaller data volume is smaller in volume, so that the congestion generally does not occur when the service with smaller data volume is transmitted in the ring network with lower transmission efficiency.
With reference to the second aspect, or any one of the foregoing possible implementation manners of the second aspect, in a second possible implementation manner of the second aspect, after the processor sends, to the first relay through the transceiver, the one-to-one correspondence between the plurality of ring networks and the plurality of service types, the processor is further configured to:
detecting the load condition of each looped network in the plurality of looped networks;
if the number of the loads in the plurality of ring networks exceeds the preset number of the loads to reach the preset number, adjusting the ring networks corresponding to the plurality of service types respectively;
and sending the information of the looped network corresponding to each of the plurality of service types to the first repeater through the transceiver. That is, if the load of many established ring networks is relatively large, the gateway of the internet of things resets the ring network corresponding to each service type in the plurality of service types, thereby ensuring that the services of the plurality of service types can be efficiently transmitted.
With reference to the second aspect, or any one of the foregoing possible implementation manners of the second aspect, in a third possible implementation manner of the second aspect, the processor is to adjust a ring network corresponding to each of the multiple service types, specifically:
if the corresponding relation between the service types and the looped networks is adjusted by the gateway of the internet of things, the fact that the number of loads in the looped networks which exceed a preset load is less than a preset number can be achieved, the corresponding relation between the service types and the looped networks is adjusted;
if the corresponding relation between the plurality of service types and the plurality of ring networks cannot be realized by adjusting the gateway of the internet of things, and the number of the loads in the plurality of ring networks exceeding the preset load is less than the preset number, establishing a new corresponding ring network for each service type in the plurality of service types. That is, there is a priority when selecting the adjustment mode, if the established multiple ring networks correspond to the multiple service types again to ensure that the services of the multiple service types can be effectively carried, then no other ring network is re-established; if the established multiple ring networks correspond to the multiple service types again and the services of the multiple service types cannot be guaranteed to be effectively carried, then reestablishing other ring networks; therefore, under the condition of ensuring that the services of the plurality of service types are effectively carried, the overhead caused by the establishment of the ring network can be reduced as much as possible.
With reference to the second aspect, or any one of the foregoing possible implementation manners of the second aspect, in a fourth possible implementation manner of the second aspect, the plurality of ring networks includes at least one third ring network, and a position relationship between repeaters in the third ring network satisfies the following condition:
wherein d1 is a distance from the center of the third ring network to a repeater closest to the center in the third ring network, d2 is a distance from the center of the third ring network to a repeater farthest from the center in the third ring network, and the center of the third ring network is a center of a graph of a largest area surrounded by links between repeaters in the third ring network. The inventor of the present application finds, during research, that when the positions between the repeaters in the third ring network satisfy the requirement of the above formula, a graph of a maximum area surrounded by links between the repeaters in the third ring network is approximate to a circle, and when the graph is approximate to a circle, the graph can ensure that a union set of signal coverage areas of the repeaters is maximum, so that a relay service can be provided for more terminals for the repeaters in the third ring network; in addition, in this case, the distance between two repeaters in communication connection in the third ring network is not too long, which is beneficial to improving the stability of ring network transmission.
In a third aspect, the present application provides a computer-readable storage medium storing a computer program for communication of the internet of things, where the computer program, when executed on a computer, causes the computer to perform the method described in the first aspect or any possible implementation manner of the first aspect.
In a fourth aspect, embodiments of the present application provide a computer program product, where the computer program product comprises a non-transitory computer-readable storage medium storing a computer program, the computer program being operable to cause a computer to perform some or all of the steps as described in the first aspect of embodiments of the present application or in any of the methods of the first aspect. The computer program product may be a software installation package.
In summary, the first repeater receives the one-to-one correspondence relationship between the plurality of service types and the plurality of ring networks sent by the internet of things gateway, and transmits the data by using the ring network corresponding to the target service type to which the data belongs after subsequently receiving the data sent by the terminal.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic architecture diagram of an internet of things communication system provided in an embodiment of the present application;
fig. 2 is a schematic flowchart of a communication method of the internet of things according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of an internet of things gateway provided in an embodiment of the present application;
fig. 4 is a schematic structural diagram of another internet of things gateway provided in the embodiment of the present application.
Detailed Description
Before discussing exemplary embodiments in more detail, it should be noted that some exemplary embodiments are described as processes or methods depicted as flowcharts. Although a flowchart may describe the operations as a sequential process, many of the operations can be performed in parallel, concurrently, or simultaneously. In addition, the order of the operations may be re-arranged. The process may be terminated when its operations are completed, but may have additional steps not included in the figure. The process may correspond to a method, a function, a procedure, a subroutine, a subprogram, and so on.
The term "computer device" or "computer" in this context refers to an intelligent electronic device that can execute predetermined processes such as numerical calculation and/or logic calculation by running predetermined programs or instructions, and may include a processor and a memory, wherein the processor executes a pre-stored instruction stored in the memory to execute the predetermined processes, or the predetermined processes are executed by hardware such as ASIC, FPGA, DSP, or a combination thereof. Computer devices include, but are not limited to, servers, personal computers, laptops, tablets, smart phones, and the like.
The methods discussed below, some of which are illustrated by flow diagrams, may be implemented by hardware, software, firmware, middleware, microcode, hardware description languages, or any combination thereof. When implemented in software, firmware, middleware or microcode, the program code or code segments to perform the necessary tasks may be stored in a machine or computer readable medium such as a storage medium. The processor(s) may perform the necessary tasks.
Specific structural and functional details disclosed herein are merely representative and are provided for purposes of describing example embodiments of the present application. This application may, however, be embodied in many alternate forms and should not be construed as limited to only the embodiments set forth herein.
It will be understood that, although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element may be termed a second element, and, similarly, a second element may be termed a first element, without departing from the scope of example embodiments. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used herein, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It should also be noted that, in some alternative implementations, the functions/acts noted may occur out of the order noted in the figures. For example, two figures shown in succession may, in fact, be executed substantially concurrently, or the figures may sometimes be executed in the reverse order, depending upon the functionality/acts involved.
The present application is described in further detail below with reference to the attached figures.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an internet of things communication system according to an embodiment of the present disclosure; the internet of things network comprises an internet of things gateway 101, relays 102 and terminals 103, wherein the internet of things gateway is connected (directly or indirectly connected) with a plurality of relays 102 (3 are schematically illustrated in fig. 1), and each relay 102 is connected (directly or indirectly connected) with a plurality of terminals 103 (3 are schematically illustrated in fig. 1). In practical applications, the number of the repeaters 102 and the number of the terminals 103 may be configured as needed. The connection mode of the devices in the communication system can be wired connection or wireless connection,
the Terminal 103 may include a handheld device (e.g., a Mobile phone, a tablet computer, a palmtop computer, etc.) having a wireless communication function, a vehicle-mounted device (e.g., an automobile, a bicycle, an electric vehicle, an airplane, a ship, etc.), a wearable device (e.g., a smart watch (such as iWatch, etc.), a smart bracelet, a pedometer, etc.), a smart home device (e.g., a refrigerator, a television, an air conditioner, an electric meter, etc.), a smart robot, a workshop device, other processing devices capable of being connected to a wireless modem, and various forms of User Equipment (UE), a Mobile Station (MS), a Terminal (Terminal), and the like. The repeater 102 may also be a relay station or other transmission relay equipment. The internet of things gateway 101 may be a Personal Computer (PC) or a plurality of PCs, servers or server groups according to the size of the internet of things, and is not limited herein.
Referring to fig. 2, fig. 2 is a communication method of an internet of things according to an embodiment of the present application, where the method may be implemented based on the communication system of the internet of things shown in fig. 1, and the method may include the following steps:
step S201: the gateway of the Internet of things establishes a plurality of ring networks according to the first repeater, the plurality of second repeaters and a plurality of preset service types.
Specifically, the information of the plurality of second repeaters may be reported to the internet of things gateway by the first repeater, or the information of the first repeater and the information of the plurality of second repeaters are pre-stored in the internet of things gateway or pre-acquired through other channels; in addition, a plurality of service types are preset in the gateway of the Internet of things. Therefore, the gateway of the internet of things can establish a plurality of ring networks according to the first repeater, the plurality of repeaters and the plurality of service types; the process of establishing the ring network may be to generate relevant configuration information of the ring network and then send the configuration information to relevant devices. For example, if a certain ring network includes the first relay, the second relay 1, and the second relay 2, the gateway of the internet of things may generate configuration information of the certain ring network when the certain ring network is established, and then send the configuration information of the ring network to the first relay, the second relay 1, and the second relay 2, so that the first relay, the second relay 1, and the second relay 2 can sense the existence of the certain ring network and learn the role of the first relay in the certain ring network, thereby performing corresponding configuration on the first relay, the second relay, and the second relay as needed.
What service types the plurality of service types are may also be preset according to needs, and optionally, the plurality of service types are obtained by dividing according to at least one item (for example, one item, two items, or three items) of delay requirements, data size, security level, and stability of the service. For example, the plurality of service types are determined according to service delay requirements, and the delay requirements of each of the plurality of service types are different (e.g., the delay of one of the service types does not exceed 100ms, the delay of another service type does not exceed 200ms, and so on); for another example, the service type is determined according to the data volume size, and the data volume ranges of each of the plurality of service types are different (e.g., the data volume range of one of the service types is between 200 and 500 megabits, the data flow range of another of the service types is between 1000 and 2000 megabits, etc.); for another example, the service type is determined according to the security level of the data, and the security levels of the services of the respective service types in the plurality of service types are different (e.g., a high security level, a medium security level, and a low security level are preset, where a service of one service type requires the high security level, and a service of another service type requires the low security level, etc.); for another example, the service type is determined according to the stability requirement of the data, and the stability requirements of the services of each of the plurality of service types are different (e.g., high stability, medium stability, and low stability are preset, where a service of one service type requires high stability, and a service of another service type requires low stability, etc.). Of course, the service type division may be performed by using other information besides the above-mentioned information, and the other information is not illustrated here.
In an embodiment of the present application, each of the plurality of ring networks includes the first repeater and at least one of the plurality of second repeaters. The repeaters included in any two ring networks in the plurality of ring networks are not completely the same. The plurality of service types are in one-to-one correspondence with the plurality of ring networks, for example, the service types are divided into a service type a, a service type B and a service type C, and the established ring networks are specifically a ring network 1, a ring network 2 and a ring network 3, wherein the ring network 1 is used for transmitting services belonging to the service type a (i.e., the ring network 1 corresponds to the service type a), the ring network 2 is used for transmitting services belonging to the service type B (i.e., the ring network 2 corresponds to the service type B), and the ring network 3 is used for transmitting services belonging to the service type C (i.e., the ring network 3 corresponds.
In an optional scheme, the plurality of service types include a first service type and a second service type, and the number of services of the first service type is greater than the data volume of services of the second service type; the plurality of ring networks include a first ring network and a second ring network, the number of repeaters in the first ring network is greater than the number of repeaters in the second ring network, the first ring network is used for transmitting the service of the second service type, and the second ring network is used for transmitting the service of the first service type. That is, the plurality of service types are obtained by dividing according to the size of the data volume of the service, the service with smaller data volume is borne when the number of the repeaters in the ring network is larger, and the service with larger data volume is borne when the number of the repeaters in the ring network is smaller. The consideration is that the more the repeaters in the ring network, the longer the transmission time of the service in the ring network theoretically will be, and it can also be understood that the more the repeaters in the ring network, the lower the transmission efficiency of the service in the ring network will be, and the embodiment of the application considers that the transmission time of the service with larger data volume can be shortened by transmitting the service with larger data volume in the ring network with higher transmission efficiency, and the transmission congestion is avoided. And the service with smaller data volume is smaller in volume, so that the congestion generally does not occur when the service with smaller data volume is transmitted in the ring network with lower transmission efficiency.
Step S202: and the gateway of the internet of things sends the one-to-one correspondence between the plurality of ring networks and the plurality of service types to the first repeater.
Specifically, the internet of things gateway may send a piece of information to the first relay, where the information indicates a one-to-one correspondence between the plurality of ring networks and the plurality of service types, that is, the internet of things gateway indicates the one-to-one correspondence between the plurality of service types and the plurality of ring networks generated in step S201 to the first relay through the information, so that the first relay subsequently performs data transmission based on the correspondence.
Correspondingly, the first repeater receives the one-to-one correspondence relationship between the plurality of ring networks and the plurality of service types sent by the gateway of the internet of things. After the first repeater receives the one-to-one correspondence between the plurality of ring networks and the plurality of service types, it knows what service type should be transmitted on which ring network. For example, if the first relay knows that the ring network 1 corresponds to the service type a, the ring network 2 corresponds to the service type B, and the ring network 3 corresponds to the service type C, then if the first relay subsequently receives (data of) the service belonging to the service type a, the first relay knows that the service needs to be transmitted on the ring network 1, if the first relay subsequently receives (data of) the service belonging to the service type B, the first relay knows that the service needs to be transmitted on the ring network 2, and if the first relay subsequently receives (data of) the service belonging to the service type C, the first relay knows that the service needs to be transmitted on the ring network 3.
In another optional scheme, after the sending, by the gateway of the internet of things to the first relay, the one-to-one correspondence between the plurality of ring networks and the plurality of service types, the method further includes: firstly, the gateway of the internet of things detects the load condition of each looped network in the plurality of looped networks; then, if the number of the loads in the plurality of ring networks exceeds the preset number of loads to reach the preset number, the gateway of the internet of things adjusts the ring networks corresponding to the plurality of service types; and then, the gateway of the internet of things sends the information of the looped network corresponding to each of the plurality of service types to the first repeater. That is, if the load of many established ring networks is relatively large, the gateway of the internet of things resets the ring network corresponding to each service type in the plurality of service types, thereby ensuring that the services of the plurality of service types can be efficiently transmitted.
In another optional scheme, the adjusting, by the gateway of the internet of things, the ring networks corresponding to the plurality of service types includes: if the corresponding relation between the service types and the looped networks is adjusted by the gateway of the internet of things, the fact that the number of loads in the looped networks which exceed a preset load is less than a preset number can be achieved, and the corresponding relation between the service types and the looped networks is adjusted by the gateway of the internet of things; if the corresponding relation between the plurality of service types and the plurality of ring networks cannot be adjusted by the gateway of the internet of things, the number of loads in the plurality of ring networks exceeding the preset loads is less than the preset number, and the gateway of the internet of things establishes a new corresponding ring network for each service type in the plurality of service types. That is, there is a priority when selecting the adjustment mode, if the established multiple ring networks correspond to the multiple service types again to ensure that the services of the multiple service types can be effectively carried, then no other ring network is re-established; if the established multiple ring networks correspond to the multiple service types again and the services of the multiple service types cannot be guaranteed to be effectively carried, then reestablishing other ring networks; therefore, under the condition of ensuring that the services of the plurality of service types are effectively carried, the overhead caused by the establishment of the ring network can be reduced as much as possible.
In yet another alternative, the plurality of ring networks includes a fourth ring network; after the internet of things gateway sends the one-to-one correspondence between the plurality of ring networks and the plurality of service types to the first repeater, the method further includes: the gateway of the internet of things detects the load of each looped network in the plurality of looped networks; if the load of the fourth ring network is higher than a fourth preset threshold value, the gateway of the internet of things sends indication information to the first repeater, and the indication information is used for indicating that the fifth ring network shares the service transmitted by the fourth ring network; the fifth ring network is a ring network, in which a repeater included in each ring network having a load lower than the fourth preset threshold among the plurality of ring networks is closest to a repeater included in the fourth ring network. It can be understood that, when the load of the fourth ring network is higher, the fifth ring network is configured to jointly bear the service of the fourth ring network, so that resources can be reasonably allocated, and the transmission efficiency of the plurality of ring networks is further improved.
In the method shown in fig. 2, the first repeater receives a one-to-one correspondence relationship between a plurality of service types and a plurality of ring networks sent by the gateway of the internet of things, and transmits data by using the ring network corresponding to the target service type to which the data belongs after subsequently receiving the data sent by the terminal, so that the transmission efficiency of the data (of the service) can be improved by differentially transmitting the data (of the service) of different service types.
The method of the embodiments of the present application is described above, and the apparatus of the embodiments of the present application is described below.
Referring to fig. 3, fig. 3 provides an internet of things gateway 30, where the internet of things gateway 30 includes a building unit 301 and a first sending unit 302, where the units are described as follows:
the establishing unit 301 is configured to establish a plurality of ring networks according to a first relay, a plurality of second relays, and a plurality of preset service types, where each of the plurality of ring networks includes the first relay and at least one second relay, and the relays included in any two of the plurality of ring networks are not identical; the plurality of service types correspond to the plurality of ring networks one by one;
the first sending unit 302 is configured to send, to the first relay, a one-to-one correspondence between the plurality of ring networks and the plurality of service types, so that the first relay determines a ring network corresponding to a target service type and sends received data belonging to the target service type to a next hop of the first relay in the ring network corresponding to the target service type.
By executing the steps, the first repeater receives the one-to-one correspondence relationship between the service types and the looped networks sent by the gateway of the internet of things, transmits the data by using the looped network corresponding to the target service type to which the data belongs after subsequently receiving the data sent by the terminal, and can improve the transmission efficiency of the data (of the service) by differentially transmitting the data (of the service) of different service types.
In yet another alternative, the plurality of service types include a first type and a second type, and the number of the first type of service is greater than the data volume of the second type of service; the plurality of ring networks include a first ring network and a second ring network, the number of repeaters in the first ring network is greater than the number of repeaters in the second ring network, the first ring network is used for transmitting the second type of service, and the second ring network is used for transmitting the first type of service. It can be understood that the more repeaters in the ring network, the longer the transmission time of the service in the ring network theoretically will be, and it can also be understood that the more repeaters in the ring network, the lower the transmission efficiency of the service in the ring network will be, and in the embodiment of the present application, it is considered that the transmission time of the service with larger data volume can be shortened by transmitting the service with larger data volume in the ring network with higher transmission efficiency, so as to avoid transmission congestion. And the service with smaller data volume is smaller in volume, so that the congestion generally does not occur when the service with smaller data volume is transmitted in the ring network with lower transmission efficiency.
In another optional scheme, the internet of things gateway further includes a detecting unit and an adjusting unit, where the detecting unit is configured to detect a load condition of each of the plurality of ring networks after the first sending unit 302 sends the one-to-one correspondence between the plurality of ring networks and the plurality of service types to the first relay;
the adjusting unit is used for adjusting the looped networks corresponding to the service types under the condition that the number of loads in the looped networks exceeds the preset number and reaches the preset number;
the first sending unit 302 is further configured to send information of a ring network corresponding to each of the plurality of service types to the first relay. That is, if the load of many established ring networks is relatively large, the gateway of the internet of things resets the ring network corresponding to each service type in the plurality of service types, thereby ensuring that the services of the plurality of service types can be efficiently transmitted.
In another optional scheme, the adjusting unit adjusts the ring networks corresponding to the plurality of service types, specifically:
if the corresponding relation between the service types and the looped networks is adjusted by the gateway of the internet of things, the fact that the number of loads in the looped networks which exceed a preset load is less than a preset number can be achieved, the corresponding relation between the service types and the looped networks is adjusted;
if the corresponding relation between the plurality of service types and the plurality of ring networks cannot be realized by adjusting the gateway of the internet of things, and the number of the loads in the plurality of ring networks exceeding the preset load is less than the preset number, establishing a new corresponding ring network for each service type in the plurality of service types. That is, there is a priority when selecting the adjustment mode, if the established multiple ring networks correspond to the multiple service types again to ensure that the services of the multiple service types can be effectively carried, then no other ring network is re-established; if the established multiple ring networks correspond to the multiple service types again and the services of the multiple service types cannot be guaranteed to be effectively carried, then reestablishing other ring networks; therefore, under the condition of ensuring that the services of the plurality of service types are effectively carried, the overhead caused by the establishment of the ring network can be reduced as much as possible.
In yet another alternative, the plurality of ring networks includes a fourth ring network; this thing networking gateway still includes detecting element and second sending element, wherein:
the detecting unit is used for detecting the load of each ring network in the plurality of ring networks after the first transmitting unit transmits the one-to-one correspondence between the plurality of ring networks and the plurality of service types to the first repeater;
the second sending unit is configured to send, to the first repeater, indication information when the load of the fourth ring network is higher than a fourth preset threshold, where the indication information is used to indicate that a fifth ring network shares a service transmitted by the fourth ring network; the fifth ring network is a ring network, in which a repeater included in each ring network having a load lower than the fourth preset threshold among the plurality of ring networks is closest to a repeater included in the fourth ring network. It can be understood that, when the load of the fourth ring network is higher, the fifth ring network is configured to jointly bear the service of the fourth ring network, so that resources can be reasonably allocated, and the transmission efficiency of the plurality of ring networks is further improved.
In another optional scheme, the plurality of ring networks includes at least one third ring network, and a position relationship between repeaters in the third ring network satisfies the following condition:
wherein d1 is a distance from the center of the third ring network to a repeater closest to the center in the third ring network, d2 is a distance from the center of the third ring network to a repeater farthest from the center in the third ring network, and the center of the third ring network is a center of a graph of a largest area surrounded by links between repeaters in the third ring network. The inventor of the present application finds, during research, that when the positions between the repeaters in the third ring network satisfy the requirement of the above formula, a graph of a maximum area surrounded by links between the repeaters in the third ring network is approximate to a circle, and when the graph is approximate to a circle, the graph can ensure that a union set of signal coverage areas of the repeaters is maximum, so that a relay service can be provided for more terminals for the repeaters in the third ring network; in addition, in this case, the distance between two repeaters in communication connection in the third ring network is not too long, which is beneficial to improving the stability of ring network transmission.
The implementation of the internet of things gateway 30 shown in fig. 3 can be described with reference to the method embodiment shown in fig. 2.
In the internet of things gateway shown in fig. 3, a first repeater sends information of a plurality of second repeaters to the internet of things gateway, the internet of things gateway establishes a plurality of ring networks according to the information of the first repeater, the information of the plurality of second repeaters and a plurality of service types, and then the types of services transmitted by any two ring networks are configured to be not completely the same, so that differentiated transmission of services of different types can be realized, and the transmission efficiency of the services can be improved.
Referring to fig. 4, fig. 4 is a diagram of another internet of things gateway 40 provided in the present application, where the internet of things gateway 40 may be a node deployed in an internet system, and the internet of things gateway 40 may be a computer, a server, and other devices, as shown in fig. 4, the internet of things gateway 40 includes: a processor 401, a memory 402, a transceiver 403, and a bus 404. The transceiver 403 is used for transceiving data with external devices (e.g., other devices in the interconnected system, including but not limited to repeaters, core network devices, etc.). The number of processors 401 in the internet of things gateway 40 may be one or more. In some embodiments of the present application, the processor 401, the memory 402, and the transceiver 403 may be connected by a bus system or other means. Regarding the meaning and examples of the terms related to this embodiment, reference may be made to the method embodiment shown in fig. 2, which is not described herein again.
Wherein the memory 402 may have stored therein program instructions. Processor 401 is configured to call program instructions stored in memory 402 to perform the following operations:
establishing a plurality of ring networks according to a first repeater, a plurality of second repeaters and a plurality of preset service types, wherein each ring network in the plurality of ring networks comprises the first repeater and at least one second repeater, and the repeaters contained in any two ring networks in the plurality of ring networks are not completely the same; the plurality of service types correspond to the plurality of ring networks one by one;
and sending the one-to-one correspondence between the plurality of ring networks and the plurality of service types to the first repeater through the transceiver, so that the first repeater determines the ring network corresponding to the target service type and sends the received data belonging to the target service type to the next hop of the first repeater in the ring network corresponding to the target service type.
By executing the operation, the first repeater receives the one-to-one correspondence relationship between the plurality of service types and the plurality of ring networks sent by the gateway of the internet of things, transmits the data by using the ring network corresponding to the target service type to which the data belongs after subsequently receiving the data sent by the terminal, and can improve the transmission efficiency of the data (of the service) by differentiated transmission of the data (of the service) of different service types.
In yet another alternative, the plurality of service types include a first type and a second type, and the number of the first type of service is greater than the data volume of the second type of service; the plurality of ring networks include a first ring network and a second ring network, the number of repeaters in the first ring network is greater than the number of repeaters in the second ring network, the first ring network is used for transmitting the second type of service, and the second ring network is used for transmitting the first type of service. It can be understood that the more repeaters in the ring network, the longer the transmission time of the service in the ring network theoretically will be, and it can also be understood that the more repeaters in the ring network, the lower the transmission efficiency of the service in the ring network will be, and in the embodiment of the present application, it is considered that the transmission time of the service with larger data volume can be shortened by transmitting the service with larger data volume in the ring network with higher transmission efficiency, so as to avoid transmission congestion. And the service with smaller data volume is smaller in volume, so that the congestion generally does not occur when the service with smaller data volume is transmitted in the ring network with lower transmission efficiency.
In another optional scenario, after the processor sends the one-to-one correspondence between the plurality of ring networks and the plurality of service types to the first relay through the transceiver, the processor is further configured to:
detecting the load condition of each looped network in the plurality of looped networks;
if the number of the loads in the plurality of ring networks exceeds the preset number of the loads to reach the preset number, adjusting the ring networks corresponding to the plurality of service types respectively;
and sending the information of the looped network corresponding to each of the plurality of service types to the first repeater through the transceiver. That is, if the load of many established ring networks is relatively large, the gateway of the internet of things resets the ring network corresponding to each service type in the plurality of service types, thereby ensuring that the services of the plurality of service types can be efficiently transmitted.
In another optional scheme, the processor adjusts the ring networks corresponding to the plurality of service types, specifically:
if the corresponding relation between the service types and the looped networks is adjusted by the gateway of the internet of things, the fact that the number of loads in the looped networks which exceed a preset load is less than a preset number can be achieved, the corresponding relation between the service types and the looped networks is adjusted;
if the corresponding relation between the plurality of service types and the plurality of ring networks cannot be realized by adjusting the gateway of the internet of things, and the number of the loads in the plurality of ring networks exceeding the preset load is less than the preset number, establishing a new corresponding ring network for each service type in the plurality of service types. That is, there is a priority when selecting the adjustment mode, if the established multiple ring networks correspond to the multiple service types again to ensure that the services of the multiple service types can be effectively carried, then no other ring network is re-established; if the established multiple ring networks correspond to the multiple service types again and the services of the multiple service types cannot be guaranteed to be effectively carried, then reestablishing other ring networks; therefore, under the condition of ensuring that the services of the plurality of service types are effectively carried, the overhead caused by the establishment of the ring network can be reduced as much as possible.
In another optional scheme, the plurality of ring networks includes at least one third ring network, and a position relationship between repeaters in the third ring network satisfies the following condition:
wherein d1 is a distance from the center of the third ring network to a repeater closest to the center in the third ring network, d2 is a distance from the center of the third ring network to a repeater farthest from the center in the third ring network, and the center of the third ring network is a center of a graph of a largest area surrounded by links between repeaters in the third ring network. The inventor of the present application finds, during research, that when the positions between the repeaters in the third ring network satisfy the requirement of the above formula, a graph of a maximum area surrounded by links between the repeaters in the third ring network is approximate to a circle, and when the graph is approximate to a circle, the graph can ensure that a union set of signal coverage areas of the repeaters is maximum, so that a relay service can be provided for more terminals for the repeaters in the third ring network; in addition, in this case, the distance between two repeaters in communication connection in the third ring network is not too long, which is beneficial to improving the stability of ring network transmission.
It should be noted that the processor 401 may be a single processing element or may be a general term for a plurality of processing elements. For example, the Processing element may be a Central Processing Unit (CPU), an Application Specific Integrated Circuit (ASIC), or one or more Integrated circuits configured to implement embodiments of the present Application, such as: one or more microprocessors (DSPs), or one or more Field Programmable Gate Arrays (FPGAs).
The memory 403 may be a single storage device or a combination of multiple storage elements, and is used for storing executable program codes or parameters, data, etc. required by the running device of the application program. And the memory 903 may include a Random Access Memory (RAM) or a non-volatile memory (non-volatile memory), such as a magnetic disk memory, a Flash memory (Flash), and the like.
The bus 404 may be an Industry Standard Architecture (ISA) bus, a Peripheral Component Interconnect (PCI) bus, an Extended ISA (EISA) bus, or the like. The bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one thick line is shown in FIG. 4, but this does not indicate only one bus or one type of bus.
The user equipment may also include input and output devices coupled to bus 404 for interfacing with other components such as processor 401 via the bus. The input and output device can provide an input interface for an operator so that the operator can select a control item through the input interface, and can also be other interfaces through which other equipment can be externally connected.
The implementation of the internet of things gateway 40 shown in fig. 4 can be described with reference to the method embodiment shown in fig. 2.
In the internet of things gateway 40 shown in fig. 4, a first repeater sends information of a plurality of second repeaters to the internet of things gateway, the internet of things gateway establishes a plurality of ring networks according to the information of the first repeater, the information of the plurality of second repeaters, and a plurality of service types, and then the types of services transmitted by any two ring networks are configured to be not completely the same, so that differentiated transmission of services of different types can be realized, and the transmission efficiency of the services can be improved.
It should be noted that, for simplicity of description, the above-mentioned embodiments of the method are described as a series of acts or combinations, but those skilled in the art should understand that the present application is not limited by the order of acts described, as some steps may be performed in other orders or simultaneously according to the present application. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and modules referred to are not necessarily required in this application.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
Those skilled in the art will appreciate that all or part of the steps in the methods of the above embodiments may be implemented by associated hardware instructed by a program, which may be stored in a computer-readable storage medium, and the storage medium may include: flash Memory disks, Read-Only memories (ROMs), Random Access Memories (RAMs), magnetic or optical disks, and the like.
The content downloading method, the related device and the system provided by the embodiment of the present application are described in detail above, a specific example is applied in the present application to explain the principle and the implementation of the present application, and the description of the above embodiment is only used to help understand the method and the core idea of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (8)
1. An internet of things communication method is characterized by comprising the following steps:
the method comprises the steps that an Internet of things gateway establishes a plurality of ring networks according to a first repeater, a plurality of second repeaters and a plurality of preset service types, each ring network in the plurality of ring networks comprises the first repeater and at least one second repeater, and the repeaters contained in any two ring networks in the plurality of ring networks are not identical; the service types correspond to the ring networks one by one;
the gateway of the internet of things sends the one-to-one correspondence between the plurality of ring networks and the plurality of service types to the first repeater, so that the first repeater determines the ring network corresponding to the target service type and sends the received data belonging to the target service type to the next hop of the first repeater in the ring network corresponding to the target service type;
the gateway of the Internet of things detects the load condition of each looped network in the plurality of looped networks;
if the number of the loads in the plurality of looped networks exceeds the preset number of the loads to reach the preset number, the gateway of the internet of things adjusts the looped networks corresponding to the plurality of service types respectively, and sends the information of the looped networks corresponding to the plurality of service types to the first repeater.
2. The method of claim 1, wherein the plurality of traffic types includes a first type and a second type, and wherein the amount of traffic of the first type is greater than the amount of data of traffic of the second type; the plurality of ring networks comprise a first ring network and a second ring network, the number of the relays in the first ring network is greater than that of the relays in the second ring network, the first ring network is used for transmitting the second type of service, and the second ring network is used for transmitting the first type of service.
3. The method of claim 1, wherein the adjusting, by the gateway of the internet of things, the ring network corresponding to each of the plurality of service types comprises:
if the corresponding relation between the service types and the looped networks is adjusted by the gateway of the internet of things, the fact that the number of loads in the looped networks which exceed a preset load is less than a preset number can be achieved, and the corresponding relation between the service types and the looped networks is adjusted by the gateway of the internet of things;
if the corresponding relation between the service types and the looped networks cannot be realized by adjusting the corresponding relation between the service types and the looped networks by the internet of things gateway, and the number of the loads in the looped networks exceeding the preset load is less than the preset number, the internet of things gateway establishes a new corresponding looped network for each service type in the service types.
4. The method of any of claims 1-3, wherein the plurality of ring networks includes a first ring network; after the internet of things gateway sends the one-to-one correspondence between the plurality of ring networks and the plurality of service types to the first repeater, the method further includes: the gateway of the internet of things detects the load of each looped network in the plurality of looped networks;
if the load of the first looped network is higher than a third preset threshold value, the gateway of the internet of things sends indication information to the first repeater, and the indication information is used for indicating that the second looped network shares the service transmitted by the first looped network; the second ring network is a ring network, in which a repeater included in each ring network with a load lower than the third preset threshold among the plurality of ring networks is closest to a repeater included in the first ring network.
5. An internet of things gateway comprising a processor, a memory, and a transceiver, the memory for storing program instructions, the processor for invoking the program instructions to perform the operations of:
establishing a plurality of ring networks according to a first repeater, a plurality of second repeaters and a plurality of preset service types, wherein each ring network in the plurality of ring networks comprises the first repeater and at least one second repeater, and the repeaters contained in any two ring networks in the plurality of ring networks are not completely the same; the service types correspond to the ring networks one by one;
sending, by the transceiver, a one-to-one correspondence between the plurality of ring networks and the plurality of service types to the first repeater, so that the first repeater determines a ring network corresponding to a target service type and sends received data belonging to the target service type to a next hop of the first repeater in the ring network corresponding to the target service type;
detecting the load condition of each looped network in the plurality of looped networks;
if the number of the loads in the plurality of ring networks exceeds the preset number of the loads to reach the preset number, adjusting the ring networks corresponding to the plurality of service types, and sending the information of the ring networks corresponding to the plurality of service types to the first repeater through the transceiver.
6. The gateway of the internet of things of claim 5, wherein the plurality of traffic types comprise a first type and a second type, and the amount of the first type of traffic is greater than the data amount of the second type of traffic; the plurality of ring networks comprise a first ring network and a second ring network, the number of the relays in the first ring network is greater than that of the relays in the second ring network, the first ring network is used for transmitting the second type of service, and the second ring network is used for transmitting the first type of service.
7. The gateway of internet of things of claim 5, wherein the processor is to adjust the ring networks corresponding to the service types, specifically:
if the corresponding relation between the service types and the looped networks is adjusted by the gateway of the internet of things, the fact that the number of loads in the looped networks exceeds the preset load and is less than the preset number can be achieved, the corresponding relation between the service types and the looped networks is adjusted;
if the corresponding relation between the service types and the looped networks cannot be realized by adjusting the corresponding relation between the service types and the looped networks by the gateway of the internet of things, and the number of the loads in the looped networks exceeding the preset load is less than the preset number, establishing a new corresponding looped network for each service type in the service types.
8. A computer-readable storage medium, in which a computer program for internet of things communication is stored, wherein the computer program, when run on a computer, causes the computer to perform the method according to any one of claims 1-4.
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| CN104734947B (en) * | 2015-03-20 | 2019-05-24 | 武汉兴火源科技有限责任公司 | One fine general formula home gateway |
| CN105099725A (en) * | 2015-07-22 | 2015-11-25 | 杭州数梦工场科技有限公司 | Multicast realizing method and apparatus for edge network |
| CN106908758A (en) * | 2015-12-22 | 2017-06-30 | 武汉万集信息技术有限公司 | One kind seeks bus or train route line information displaying method and system |
| CN106506371A (en) * | 2016-11-11 | 2017-03-15 | 清华大学 | The detached IP mobility treating methods of ID/Locator and device based on OpenFlow agreements |
| CN107612805B (en) * | 2017-09-11 | 2021-01-26 | 深圳市盛路物联通讯技术有限公司 | Internet of things communication method and internet of things gateway |
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2017
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- 2017-09-12 CN CN202010553562.4A patent/CN111629068B/en not_active Expired - Fee Related
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| CN111629068A (en) | 2020-09-04 |
| CN111629068B (en) | 2023-05-02 |
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