CN107733983B - Internet of things communication method and first repeater - Google Patents
Internet of things communication method and first repeater Download PDFInfo
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- CN107733983B CN107733983B CN201710819800.XA CN201710819800A CN107733983B CN 107733983 B CN107733983 B CN 107733983B CN 201710819800 A CN201710819800 A CN 201710819800A CN 107733983 B CN107733983 B CN 107733983B
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Abstract
The application discloses a communication method of the Internet of things and a first repeater, wherein the method comprises the following steps: the method comprises the steps that a first repeater receives a one-to-one correspondence relation between a plurality of ring networks and a plurality of service types sent by an internet of things gateway, 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 first repeater receives data and label information sent by a terminal, wherein the label information is used for indicating that the service type of the data is a target service type; the first repeater determines a ring network corresponding to the target service type according to the one-to-one correspondence between the plurality of ring networks and the plurality of service types and the label information; and the first repeater sends the data to the next hop of the first repeater in the ring network corresponding to the target service type. By adopting the embodiment of the application, the transmission efficiency of data can be improved.
Description
Technical Field
The application relates to the field of communication, in particular to a communication method of an internet of things and a first repeater.
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 a first repeater, 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 a first repeater receives a one-to-one correspondence relation between a plurality of ring networks and a plurality of service types sent by an internet of things gateway, 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 first repeater receives data and label information sent by a terminal, wherein the label information is used for indicating that the service type of the data is a target service type;
the first repeater determines a ring network corresponding to the target service type according to the one-to-one correspondence between the plurality of ring networks and the plurality of service types and the label information;
and the first repeater sends the data 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, a distance between any two repeaters in each ring network in the plurality of ring networks is greater than a first preset threshold; and the distance between any two repeaters establishing communication connection is smaller than a second preset threshold value. It is understood that if such a limitation is not made, it may happen that two repeaters in a ring network are located very close together, and the transit of traffic between two repeaters located very close together is of little significance; in addition, the embodiment of the present application is to ensure that the distance between any two repeaters establishing communication connection in the ring network is smaller than the second preset threshold, so as to ensure that signals between any two repeaters establishing communication connection are good enough, thereby improving the stability of service transmission.
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, the sending, by the first relay, the data to the first relay after the next hop in the ring network corresponding to the target service type, further includes:
the first repeater detects the transmission rate of the data on the ring network corresponding to the target service type;
if the transmission rate of the data on the ring network corresponding to the target service type does not meet the preset requirement, the first repeater sends a first request message to the internet of things gateway to indicate the internet of things gateway to readjust the one-to-one correspondence relationship between the plurality of ring networks and the plurality of service types. In practical application, the traffic volume of the service of the target service type is usually changed in different time periods (the traffic of other service types is also the same), so that sometimes the transmission capability of the ring network corresponding to the target service type cannot meet the requirement of the service of the target service type, and therefore, the application proposes that the first repeater detects the transmission rate of the ring network corresponding to the target service type, and accordingly sends the first request message to the gateway of the internet of things to prompt that a new corresponding ring network is allocated to the target service type, so that the service of the target service type is transmitted more efficiently.
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, after the sending, by the first repeater, the first request message to the internet of things gateway, the method further includes:
the first repeater receives the one-to-one corresponding relation between the plurality of looped networks and the plurality of service types after adjustment sent by the gateway of the Internet of things; the ring network corresponding to the target service type in the adjusted one-to-one correspondence is used for mainly transmitting the service of the target service type, and the ring network corresponding to the target service type in the one-to-one correspondence before adjustment is used for secondarily transmitting the service of the target service type. That is, the ring network corresponding to the target service type before the adjustment is used as the ring network for transmitting the service of the target service type secondarily, and the ring network corresponding to the target service type after the adjustment is used as the ring network for transmitting the service of the target service type primarily, i.e., a new corresponding ring network is added to the target service type, and the ring network corresponding to the target service type originally is not discarded.
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 sending, by the first relay, the data to a next hop of the first relay in a ring network corresponding to the target service type includes:
if the load on the ring network corresponding to the target service type is lower than a third preset threshold, the first repeater sends the data to the next hop of the first repeater in the ring network corresponding to the target service type;
if the load on the ring network corresponding to the target service type is higher than a third preset threshold, the first repeater sends the data to the next hop of the first repeater in a standby ring network, and the standby ring network belongs to the ring network with the load lower than the third preset threshold in the plurality of ring networks. It can be understood that, when the load of the ring network corresponding to the target service type is higher, the standby ring network is configured to bear the service of the ring network corresponding to the target service type, so that resources can be allocated reasonably, 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, embodiments of the present application provide a first repeater comprising a processor, a memory, and a transceiver, the memory storing program instructions, the processor being configured to invoke the program instructions to perform the following operations:
receiving a one-to-one correspondence relationship between a plurality of ring networks and a plurality of service types sent by an internet of things gateway through the transceiver, 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 identical;
receiving data and label information sent by a terminal through the transceiver, wherein the label information is used for indicating that the service type of the data is a target service type;
determining a ring network corresponding to the target service type according to the one-to-one correspondence between the plurality of ring networks and the plurality of service types and the label information;
and sending the data to the next hop of the first repeater in the ring network corresponding to the target service type through the transceiver.
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, a distance between any two repeaters in each ring network in the plurality of ring networks is greater than a first preset threshold; and the distance between any two repeaters establishing communication connection is smaller than a second preset threshold value. It is understood that if such a limitation is not made, it may happen that two repeaters in a ring network are located very close together, and the transit of traffic between two repeaters located very close together is of little significance; in addition, the embodiment of the present application is to ensure that the distance between any two repeaters establishing communication connection in the ring network is smaller than the second preset threshold, so as to ensure that signals between any two repeaters establishing communication connection are good enough, thereby improving the stability of service transmission.
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, the processor is further configured to, after sending, by the transceiver, the data to the first relay through a next hop in a ring network corresponding to the target service type, further:
detecting the transmission rate of the data on the ring network corresponding to the target service type;
if the transmission rate of the data on the ring network corresponding to the target service type does not meet the preset requirement, a first request message is sent to the internet of things gateway through the transceiver so as to indicate the internet of things gateway to readjust the one-to-one correspondence relationship between the plurality of ring networks and the plurality of service types. In practical application, the traffic volume of the service of the target service type is usually changed in different time periods (the traffic of other service types is also the same), so that sometimes the transmission capability of the ring network corresponding to the target service type cannot meet the requirement of the service of the target service type, and therefore, the application proposes that the first repeater detects the transmission rate of the ring network corresponding to the target service type, and accordingly sends the first request message to the gateway of the internet of things to prompt that a new corresponding ring network is allocated to the target service type, so that the service of the target service type is transmitted more efficiently.
With reference to the second aspect, or any one of the foregoing possible implementations of the second aspect, in a third possible implementation of the second aspect, after the processor sends the first request message to the internet of things gateway through the transceiver, the processor is further configured to:
receiving, by the transceiver, the adjusted one-to-one correspondence between the plurality of ring networks and the plurality of service types sent by the internet of things gateway; the ring network corresponding to the target service type in the adjusted one-to-one correspondence is used for mainly transmitting the service of the target service type, and the ring network corresponding to the target service type in the one-to-one correspondence before adjustment is used for secondarily transmitting the service of the target service type. That is, the ring network corresponding to the target service type before the adjustment is used as the ring network for transmitting the service of the target service type secondarily, and the ring network corresponding to the target service type after the adjustment is used as the ring network for transmitting the service of the target service type primarily, i.e., a new corresponding ring network is added to the target service type, and the ring network corresponding to the target service type originally is not discarded.
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 a first repeater according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of another first repeater 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 first repeater receives a one-to-one correspondence relation between a plurality of ring networks and a plurality of service types sent by the gateway of the Internet of things.
Specifically, the plurality of ring networks may be established for the internet of things gateway according to the first repeater, the plurality of second repeaters, and the plurality of preset service types. 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 distance between any two repeaters in each ring network in the plurality of ring networks is greater than a first preset threshold, and if such a limitation is not made, it may happen that two repeaters in one ring network are located very close to each other, and the relay significance of the service between two repeaters located very close to each other is not great. In addition, the distance between any two relays establishing communication connection is smaller than the second preset threshold, and it can be understood that communication connection is established between each relay in the ring network and another two relays in the ring network.
Then, 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. Optionally, 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, so that the first relay subsequently performs data transmission based on the correspondence.
In the embodiment of the present invention, after receiving the one-to-one correspondence between the plurality of ring networks and the plurality of service types, the first repeater 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.
Step S202: the first repeater receives data and tag information transmitted from a terminal.
Specifically, the tag information is used to indicate that the service type of the data (to which the data belongs) is a target service type, and the target service type is one of the plurality of service types.
Step S203: the first repeater determines the ring network corresponding to the target service type according to the one-to-one correspondence between the plurality of ring networks and the plurality of service types and the label information.
Specifically, the first repeater determines the service type of the service to which the data belongs as a target service type according to the tag information, and then searches the ring network corresponding to the target service type from the one-to-one correspondence relationship between the plurality of ring networks and the plurality of service types.
Step S204: and the first repeater sends the data to the next hop of the first repeater in the ring network corresponding to the target service type.
Specifically, each of the plurality of ring networks includes the node of the first relay, and the relays included in each ring network are not identical, so that the next hops of the first relay in different ring networks may be different, and the first relay specifically needs to send the data to the next hop of the first relay in the ring network corresponding to the target service type after receiving the data. For example, if the plurality of ring networks include a ring network 1, a ring network 2, and a ring network 3, the ring network 1 corresponds to the service type a, the ring network 2 corresponds to the service type B, the ring network 3 corresponds to the service type C, the next hop of the first repeater in the ring network 1 is the second repeater 1, the next hop in the ring network 2 is the second repeater 2, the next hop in the ring network 3 is the third repeater 3, and the target service type is specifically the service type B, then the first repeater sends the data to the second repeater 2.
In an optional scheme, the sending, by the first relay, the data to the next hop of the first relay in the ring network corresponding to the target service type may be:
and if the load on the ring network corresponding to the target service type is lower than a third preset threshold, the first repeater sends the data to the next hop of the first repeater in the ring network corresponding to the target service type.
If the load on the ring network corresponding to the target service type is higher than a third preset threshold, the first repeater sends the data to the next hop of the first repeater in a standby ring network, and the standby ring network belongs to the ring network with the load lower than the third preset threshold in the plurality of ring networks. The load may be replaced by the proportion of the used load to the load that can be provided by itself, and the load may be the load of the processor, the load of the memory, the load of the bandwidth, and the like.
In an optional scheme, the sending, by the first relay, the data to the first relay after the next hop in the ring network corresponding to the target service type further includes: firstly, the first repeater detects the transmission rate of the data on the ring network corresponding to the target service type; then, if the transmission rate of the data on the ring network corresponding to the target service type does not meet the preset requirement, the first repeater sends a first request message to the internet of things gateway to instruct the internet of things gateway to readjust the one-to-one correspondence relationship between the plurality of ring networks and the plurality of service types. In practical application, the traffic volume of the service of the target service type is usually changed in different time periods (the traffic of other service types is also the same), so that sometimes the transmission capability of the ring network corresponding to the target service type cannot meet the requirement of the service of the target service type, and therefore, the application proposes that the first repeater detects the transmission rate of the ring network corresponding to the target service type, and accordingly sends the first request message to the gateway of the internet of things to prompt that a new corresponding ring network is allocated to the target service type, so that the service of the target service type is transmitted more efficiently.
In another optional scheme, after the first repeater sends the first request message to the internet of things gateway, the method further includes: the first repeater receives the one-to-one corresponding relation between the plurality of looped networks and the plurality of service types after adjustment sent by the gateway of the Internet of things; the ring network corresponding to the target service type in the adjusted one-to-one correspondence is used for mainly transmitting the service of the target service type, and the ring network corresponding to the target service type in the one-to-one correspondence before adjustment is used for secondarily transmitting the service of the target service type. That is, the ring network corresponding to the target service type before the adjustment is used as the ring network for transmitting the service of the target service type secondarily, and the ring network corresponding to the target service type after the adjustment is used as the ring network for transmitting the service of the target service type primarily, i.e., a new corresponding ring network is added to the target service type, and the ring network corresponding to the target service type originally is not discarded.
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 a first repeater 30, which includes a first receiving unit 301, a second receiving unit 302, a determining unit 303, and a transmitting unit 304, wherein the description of each unit is as follows:
the first receiving unit 301 is configured to receive a one-to-one correspondence relationship between multiple ring networks and multiple service types sent by an internet of things gateway, where each ring network in the multiple ring networks includes the first relay and at least one second relay, and the relays included in any two ring networks in the multiple ring networks are not identical;
the second receiving unit 302 is configured to receive data and tag information sent by a terminal, where the tag information is used to indicate that a service type of the data is a target service type;
the determining unit 303 determines the ring network corresponding to the target service type according to the one-to-one correspondence between the plurality of ring networks and the plurality of service types and the tag information;
the sending unit 304 sends the data to the 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 optional scheme, the first repeater further includes a detecting unit, where the detecting unit is configured to detect a transmission rate of the data on the ring network corresponding to the target service type after the sending unit 304 sends the data to a next hop of the first repeater in the ring network corresponding to the target service type;
if the transmission rate of the data on the ring network corresponding to the target service type does not meet the preset requirement, the sending unit 304 sends a first request message to the internet of things gateway to instruct the internet of things gateway to readjust the one-to-one correspondence relationship between the plurality of ring networks and the plurality of service types. In practical application, the traffic volume of the service of the target service type is usually changed in different time periods (the traffic of other service types is also the same), so that sometimes the transmission capability of the ring network corresponding to the target service type cannot meet the requirement of the service of the target service type, and therefore, the application proposes that the first repeater detects the transmission rate of the ring network corresponding to the target service type, and accordingly sends the first request message to the gateway of the internet of things to prompt that a new corresponding ring network is allocated to the target service type, so that the service of the target service type is transmitted more efficiently.
In another optional scheme, the first repeater further includes a receiving unit, where the receiving unit is configured to receive, after the sending unit 304 sends the first request message to the internet of things gateway, the one-to-one correspondence relationship between the plurality of adjusted ring networks and the plurality of service types sent by the internet of things gateway; the ring network corresponding to the target service type in the adjusted one-to-one correspondence is used for mainly transmitting the service of the target service type, and the ring network corresponding to the target service type in the one-to-one correspondence before adjustment is used for secondarily transmitting the service of the target service type. That is, the ring network corresponding to the target service type before the adjustment is used as the ring network for transmitting the service of the target service type secondarily, and the ring network corresponding to the target service type after the adjustment is used as the ring network for transmitting the service of the target service type primarily, i.e., a new corresponding ring network is added to the target service type, and the ring network corresponding to the target service type originally is not discarded.
In yet another possible implementation, the distance between any two repeaters in each ring network in the plurality of ring networks is greater than a first preset threshold; and the distance between any two repeaters establishing communication connection is smaller than a second preset threshold value. It is understood that if such a limitation is not made, it may happen that two repeaters in a ring network are located very close together, and the transit of traffic between two repeaters located very close together is of little significance; in addition, the embodiment of the present application is to ensure that the distance between any two repeaters establishing communication connection in the ring network is smaller than the second preset threshold, so as to ensure that signals between any two repeaters establishing communication connection are good enough, thereby improving the stability of service transmission.
In another possible implementation, the sending, by the first relay, the data to a next hop of the first relay in a ring network corresponding to the target service type includes:
if the load on the ring network corresponding to the target service type is lower than a third preset threshold, the first repeater sends the data to the next hop of the first repeater in the ring network corresponding to the target service type;
if the load on the ring network corresponding to the target service type is higher than a third preset threshold, the first repeater sends the data to the next hop of the first repeater in a standby ring network, and the standby ring network belongs to the ring network with the load lower than the third preset threshold in the plurality of ring networks. It can be understood that, when the load of the ring network corresponding to the target service type is higher, the standby ring network is configured to bear the service of the ring network corresponding to the target service type, so that resources can be allocated reasonably, and the transmission efficiency of the plurality of ring networks is further improved.
In another possible implementation 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 first repeater 30 shown in fig. 3 can be as described with reference to the method embodiment shown in fig. 2.
In the first repeater 30 shown in fig. 3, the first repeater receives a one-to-one correspondence relationship between a plurality of service types and a plurality of ring networks sent by an internet of things gateway, and transmits data by using the ring network corresponding to a target service type to which the data belongs after subsequently receiving the data sent by a terminal.
Referring to fig. 4, fig. 4 is a schematic diagram of another first repeater 40 provided in the present application, where the first repeater 40 may be a node deployed in an internet system, and the first repeater 40 may be a computer, a server, or other devices, as shown in fig. 4, and the first repeater 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 first repeater 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:
receiving a one-to-one correspondence relationship between a plurality of ring networks and a plurality of service types sent by an internet of things gateway through the transceiver, 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 identical;
receiving data and label information sent by a terminal through the transceiver, wherein the label information is used for indicating that the service type of the data is a target service type;
determining a ring network corresponding to the target service type according to the one-to-one correspondence between the plurality of ring networks and the plurality of service types and the label information;
and sending the data to the next hop of the first repeater in the ring network corresponding to the target service type through the transceiver.
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 another optional scenario, the processor sends the data to the first relay through the transceiver after a next hop in the ring network corresponding to the target service type, and is further configured to:
detecting the transmission rate of the data on the ring network corresponding to the target service type;
if the transmission rate of the data on the ring network corresponding to the target service type does not meet the preset requirement, a first request message is sent to the internet of things gateway through the transceiver so as to indicate the internet of things gateway to readjust the one-to-one correspondence relationship between the plurality of ring networks and the plurality of service types. In practical application, the traffic volume of the service of the target service type is usually changed in different time periods (the traffic of other service types is also the same), so that sometimes the transmission capability of the ring network corresponding to the target service type cannot meet the requirement of the service of the target service type, and therefore, the application proposes that the first repeater detects the transmission rate of the ring network corresponding to the target service type, and accordingly sends the first request message to the gateway of the internet of things to prompt that a new corresponding ring network is allocated to the target service type, so that the service of the target service type is transmitted more efficiently.
In yet another alternative, after the processor sends the first request message to the internet of things gateway through the transceiver, the processor is further configured to:
receiving, by the transceiver, the adjusted one-to-one correspondence between the plurality of ring networks and the plurality of service types sent by the internet of things gateway; the ring network corresponding to the target service type in the adjusted one-to-one correspondence is used for mainly transmitting the service of the target service type, and the ring network corresponding to the target service type in the one-to-one correspondence before adjustment is used for secondarily transmitting the service of the target service type. That is, the ring network corresponding to the target service type before the adjustment is used as the ring network for transmitting the service of the target service type secondarily, and the ring network corresponding to the target service type after the adjustment is used as the ring network for transmitting the service of the target service type primarily, i.e., a new corresponding ring network is added to the target service type, and the ring network corresponding to the target service type originally is not discarded.
In yet another possible implementation, the distance between any two repeaters in each ring network in the plurality of ring networks is greater than a first preset threshold; and the distance between any two repeaters establishing communication connection is smaller than a second preset threshold value. It is understood that if such a limitation is not made, it may happen that two repeaters in a ring network are located very close together, and the transit of traffic between two repeaters located very close together is of little significance; in addition, the embodiment of the present application is to ensure that the distance between any two repeaters establishing communication connection in the ring network is smaller than the second preset threshold, so as to ensure that signals between any two repeaters establishing communication connection are good enough, thereby improving the stability of service transmission.
In another possible implementation 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 (digital signal processors, 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 first repeater 40 shown in fig. 4 can be as described with reference to the method embodiment shown in fig. 2.
In the first repeater 40 shown in fig. 4, the first repeater receives a one-to-one correspondence relationship between a plurality of service types and a plurality of ring networks sent by an internet of things gateway, and transmits data by using the ring network corresponding to a target service type to which the data belongs after subsequently receiving the data sent by a terminal.
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 (4)
1. An internet of things communication method is characterized by comprising the following steps:
the method comprises the steps that a first repeater receives a one-to-one correspondence relation between a plurality of looped networks and a plurality of service types sent by an internet of things gateway, each looped network in the plurality of looped networks comprises the first repeater and at least one second repeater, and the repeaters contained in any two looped networks in the plurality of looped networks are not identical;
the first repeater receives data and label information sent by a terminal, wherein the label information is used for indicating that the service type of the data is a target service type;
the first repeater determines the looped network corresponding to the target service type according to the one-to-one correspondence between the looped networks and the service types and the label information;
the first repeater sends the data to a next hop of the first repeater in a ring network corresponding to the target service type;
the distance between any two relays in each ring network in the plurality of ring networks is larger than a first preset threshold; the distance between any two relays which establish communication connection is smaller than a second preset threshold;
wherein, the sending, by the first relay, the data to the first relay after the next hop in the ring network corresponding to the target service type further includes: the first repeater detects the transmission rate of the data on the ring network corresponding to the target service type;
if the transmission rate of the data on the ring network corresponding to the target service type does not meet the preset requirement, the first repeater sends a first request message to the internet of things gateway to indicate the internet of things gateway to readjust the one-to-one correspondence relationship between the plurality of ring networks and the plurality of service types;
after the first repeater sends the first request message to the internet of things gateway, the method further includes:
the first repeater receives the one-to-one corresponding relation between the plurality of looped networks and the plurality of service types after adjustment sent by the gateway of the Internet of things; the ring network corresponding to the target service type in the adjusted one-to-one correspondence is used for mainly transmitting the service of the target service type, and the ring network corresponding to the target service type in the one-to-one correspondence before adjustment is used for secondarily transmitting the service of the target service type.
2. The method of claim 1, wherein the sending, by the first relay, the data to a next hop of the first relay in a ring network corresponding to the target service type comprises:
if the load on the ring network corresponding to the target service type is lower than a third preset threshold, the first repeater sends the data to the next hop of the first repeater in the ring network corresponding to the target service type;
if the load on the ring network corresponding to the target service type is higher than a third preset threshold, the first repeater sends the data to a next hop of the first repeater in a standby ring network, and the standby ring network belongs to the ring network with the load lower than the third preset threshold in the plurality of ring networks.
3. A first repeater, the first repeater 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:
receiving, by the transceiver, a one-to-one correspondence between a plurality of ring networks and a plurality of service types sent by an internet of things gateway, where each of the plurality of ring networks includes the first repeater and at least one second repeater, and the repeaters included in any two of the plurality of ring networks are not identical;
receiving data and label information sent by a terminal through the transceiver, wherein the label information is used for indicating that the service type of the data is a target service type;
determining the looped network corresponding to the target service type according to the one-to-one correspondence between the looped networks and the service types and the label information;
sending the data to a next hop of the first repeater in a ring network corresponding to the target service type through the transceiver;
wherein the content of the first and second substances,
the distance between any two relays in each looped network in the plurality of looped networks is larger than a first preset threshold; the distance between any two relays which establish communication connection is smaller than a second preset threshold;
wherein, the processor sends the data to the first relay through the transceiver after the next hop in the ring network corresponding to the target service type, and is further configured to:
detecting the transmission rate of the data on the ring network corresponding to the target service type;
if the transmission rate of the data on the looped networks corresponding to the target service types does not meet the preset requirement, sending a first request message to the Internet of things gateway through the transceiver to indicate the Internet of things gateway to readjust the one-to-one correspondence relationship between the looped networks and the service types;
wherein, after the processor sends the first request message to the internet of things gateway through the transceiver, the processor is further configured to:
receiving, by the transceiver, the adjusted one-to-one correspondence between the plurality of ring networks and the plurality of service types sent by the internet of things gateway; the ring network corresponding to the target service type in the adjusted one-to-one correspondence is used for mainly transmitting the service of the target service type, and the ring network corresponding to the target service type in the one-to-one correspondence before adjustment is used for secondarily transmitting the service of the target service type.
4. 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 of any one of claims 1-2.
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