CN115695143B - Internet of things system communication resource decoupling and sharing method - Google Patents
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Abstract
The invention discloses a method for decoupling and sharing communication resources of an Internet of things system, which comprises the following steps: step 1, defining a capability element and an association relation based on heterogeneous resource classification and layering; step 2, modeling heterogeneous communication resource integrated networking based on the virtual terminal and the virtual host; step 3, designing a system and a platform incremental integrated architecture for unified networking service; and 4, designing an Internet of things system networking service operation mechanism with information as a center. The invention solves the problem that the Internet of things system realizes ubiquitous interconnection based on a heterogeneous communication network; the problem of uniform networking service of the Internet of things system based on heterogeneous resources is solved; the method meets the requirements of the Internet of things system on cross-platform sharing of communication resources and automatic distribution of information among multiple networks.
Description
Technical Field
The invention relates to a networking method of an Internet of things system, in particular to a decoupling and sharing method of communication resources of the Internet of things system.
Background
There are many systems/platforms operating in mobile environment, and it is necessary to link them together by using wireless communication devices mounted on the platforms to form an internet of things system with a network as the center, and implement systematic application, such as a sea-air joint detection system, a search and rescue system, etc., by end-to-end information distribution and "machine-to-machine" information cooperation processing.
In order to reliably exchange information in a complex electromagnetic environment, a mobile system/platform is usually equipped with a plurality of wireless communication devices as a means for communicating a platform task system with the outside, at present, communication resources are exclusively used by the platform task system, and the wireless communication resources coexist in a plurality of systems, such as a V/U data chain, a JTIDS data chain, an inter-aircraft chain, a broadband information chain, a satellite link and the like, and the communication resources equipped by the various systems/platforms are different, so that when a common target is reached, a plurality of systems/platforms with dispersed regions need to be combined into a community with a network as a center to operate jointly, the following problems are faced: some systems/platforms with the same communication resources can be conveniently organized in one network, while other systems/platforms with different communication resources are difficult to access the network, so that all the systems/platforms form a plurality of independent networks or orphan systems due to different communication resources, and an integrated system application capability is difficult to form, which is an important problem to be solved by networking of the internet of things system.
Disclosure of Invention
The purpose of the invention is as follows: the invention provides a method for decoupling and sharing communication resources of an internet of things system, aiming at the defects of the prior art.
In order to solve the technical problem, the invention discloses a method for decoupling and sharing communication resources of an internet of things system, which comprises the following steps:
step 1, defining a capability element and an association relation based on heterogeneous resource classification and layering; the method comprises the following steps:
step 1-1, classifying and layering the resources of the whole Internet of things according to functions;
step 1-2, constructing a capability element model of networking the whole network resources according to the classification and layering in the step 1-1;
and 1-3, constructing an incidence relation model among the capacity elements according to the capacity element model in the step 1-2.
Step 2, modeling heterogeneous communication resource integrated networking based on the virtual terminal and the virtual host;
step 3, designing a system and a platform incremental integrated architecture for unified networking service;
and 4, designing an Internet of things system networking service operation mechanism with information as the center.
Has the advantages that:
(1) The method adopts a layered integrated network architecture, can fully utilize the existing communication resources, avoids the short board effect of the mixed networking of different networks with different widths, speeds and sizes, ensures the requirement of high-capacity information exchange among backbone nodes by a backbone network, ensures the requirement of large-scale user networking by broadcasting distribution as a main part by a tactical network, ensures the requirement of high time sensitivity of tactical frontier information exchange by an edge network, is smoothly connected by three layers of networks, and can effectively support the cooperative operation of an internet of things system under complex tasks.
(2) The method provides a new network organization mode of 'ability borrowing', communication resources are not exclusively used by a task system of the platform any more and can be opened for other platforms to share, and some members can 'borrow channels' to join a required network even if not enough or proper communication resources, so that flexible networking application of an Internet of things system is realized.
(3) The method establishes a system/platform incremental integration architecture facing unified networking service, the networking service units have common product characteristics, the method is convenient for product conversion and incremental integration, and a network management system is supported to perform software definition on the incidence relation of the whole network capacity elements, so that the system/platform can be quickly integrated into a task community, and the system topology structure can be quickly adapted to the dynamic change of tasks.
(4) The networking service operation mechanism designed by the method virtualizes a plurality of body communication resources into one network, provides a single interface for a platform task system, realizes automatic distribution, forwarding and receiving integration processing of information among a plurality of communication networks, equivalently increases selectable routes and redundant routes, and enhances connectivity and robustness of a networking system in a maneuvering environment.
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The foregoing and/or other advantages of the invention will become more apparent from the following detailed description of the invention when taken in conjunction with the accompanying drawings.
FIG. 1 is a schematic diagram of an integrated networking model of heterogeneous communication resources based on a VTP-VHP.
Fig. 2 is a schematic diagram of the system/platform incremental integration architecture oriented to the unified networking service in the present invention.
Detailed Description
The specific implementation process of the invention is as follows:
step 1, defining capability elements and association relation based on heterogeneous resource classification and layering
(1) The method comprises the following steps of dividing the whole network resources of the Internet of things into a communication transmission class, a networking service class and a task function class according to functions, correspondingly forming three levels of a network layer, a service layer and an application layer, and using the three levels as three layers of a system architecture of the Internet of things system, wherein:
network layer: the system comprises communication transmission resources such as microwave communication, satellite communication, laser communication, tactical data chains and cooperative control data chains, and provides information transmission capability aiming at the service characteristics such as joint task planning, information distribution, tactical cooperation and action control;
and (3) a service layer: the method comprises the following steps of (1) supporting task-oriented heterogeneous resource integrated networking by using resources such as network management service, networking service and the like;
an application layer: the system comprises resources such as a platform task system and a perception system, and provides capabilities such as task planning, task allocation, information reconnaissance, action command control and effect evaluation.
(2) Defining a 3-type capability element model of the internet of things whole network resources, wherein:
the communication transmission capability element model (T) represents the capability of transmitting various types of information and uses the triad T =< S T ,O T ,C T >Denotes S T Is a spatial attribute representing the position of the capability element and the motion trajectory information during the execution of the task, O T Is an organization attribute representing the organization relationship such as the position of the capability element and the cooperative relationship with other capability elements when executing the task, C T Is a capability attribute, represents each capability index of a capability element, and uses a triple C T =< C TT ,C TS ,C TI >Is represented by C TT Indicates the kind of communication resource element, C TS Network structure and transmission protocol for representing communication resource elementsTechnical systems of counseling, C TI And the capacity indexes such as transmission distance, communication bandwidth, end-to-end response time and the like of the communication resource elements are represented.
The networking service capability element model (N) represents the capability of bearing integrated networking tasks on various communication resources in a community (namely an Internet of things system), and the triple N =isused for expressing the capability of bearing the integrated networking tasks on various communication resources< S N ,O N ,C N >Denotes S N Is a spatial attribute representing the position of the capability element and the motion trajectory information during the execution of the task, O N Is an organization attribute representing the organization relationship such as the position of the capability element and the cooperative relationship with other capability elements when executing the task, C N Is a capability attribute, represents each capability index of a capability element, and uses a triple C N =< C NT ,C NS ,C NI >Is represented by C NT Indicating the kind of network service resource elements, C NS Indicating the status of the corresponding networking service resource element, C NI And the capability indexes of network planning, network control and the like of the corresponding networking service resource elements are expressed.
The platform task capability element model (P) represents the capability of undertaking action tasks in a community, with triplets P =< S P ,O P ,C P >Denotes S P Is a spatial attribute representing the initial position of the capability element and the motion trajectory information during the execution of the task, O P Is an organization attribute representing the organization relationship such as the position of the capability element and the cooperative relationship with other capability elements when executing the task, C P Is a capability attribute, represents each capability index of a capability element, and uses a triple C N =< C PT ,C PS ,C PI >Is represented by C PT Representing the type of environment of the platform (land, sea, air, sky), C PS Indicating the type of tasks that the platform can undertake, C PI And representing the capability index of the corresponding platform for executing each task.
(3) Defining an association relationship model between the capability elements, wherein:
relation (NR) of communication transmission element and platform element by triplet NR =<P-N NUM ,N-P NAME ,N-P ST >Is represented by the formula P-N NUM Representing the type and number, N-P, of communication transmission elements included in an IOT system NAME Representing a list of platform elements, N-P, contained in each communication transport element ST Indicating the status of each communication transmission element by means of a triplet N-P ST =< N ID ,N SIZE ,N YN >Is represented by N ID Indicating the link number, N, corresponding to the communication transmission element SIZE Meaning that each communication transmission element is an IP broadband or a wireless narrowband, N YN Indicating the current availability or unavailability status of each communication transport element.
Relationship (PR) between platform element and communication transmission element by quadruplet PR =< P-P NUM ,P-N NUE ,P-N SUM ,P-N ST >Is represented by the formula P-P NUM Representing a list of platform elements contained in an internet of things system, each platform being represented by a corresponding platform identification number, P-N NUM Representing the kind and number, P-N, of communication transmission elements owned by each platform SUM Representing the need for each platform task system to exchange information via the platform and/or other platform communication transmission elements, P-N ST Representing the state of the communication elements owned by each platform, using a quadruple P-N ST =< N ID ,N SIZE ,N YN ,N PRI >Is represented by N ID Indicating the link number, N, corresponding to the communication transmission element SIZE Indicating that each communication transmission element is an IP broadband or a wireless narrowband, N YN Indicating the current availability/unavailability status of each communication transmission element, N PRI Indicating the usage prioritization of each communication transport element.
Relationship (MR) of networking service elements to platform elements: and expressed by a binary MR = < M-S, S-M >, wherein M-S expresses that a network management element in a networking service element distributes networking system initialization parameters to each platform element, and S-M expresses that the platform element receives the networking system initialization parameters distributed by the network management element.
Step 2, heterogeneous communication resource integrated networking modeling based on VTP-VHP (virtual terminal-virtual high-frequency platform), namely based on virtual terminal and virtual host
Various communication resource elements are divided into a backbone network, a tactical network and an edge network according to indexes such as a technical system, throughput capacity, response time and the like, wherein the backbone network comprises elements such as a satellite trunk line, broadband microwave, laser communication and the like, the tactical network comprises elements such as a JTIDS data chain and a V/U data chain, and the edge network comprises elements such as an inter-aircraft data chain and an offshore formation cooperative data chain. Resource decoupling, resource opening and cross-platform dynamic recombination design are carried out on a platform task system and communication resource elements, so that platforms without enough or proper communication resources can enter a network by means of channels, the problem that the Internet of things system realizes ubiquitous interconnection based on a heterogeneous network is solved, and the method comprises the following steps:
(1) Resource decoupling, designing a "virtual termination-virtual host (VTP-VHP)" technique, VTP (virtual termination,VTP， Virtual Terminal Processer) Collectively interfacing with the platform task system on behalf of various communication resources, VHP (virtual host,VHP，Virtual Host Processer) And the centralized representative platform task system is in butt joint with the communication resources, so that the platform task system and the communication resources are decoupled. A VTP-VHP is a computing entity that encapsulates addresses and behaviors, can communicate out-of-the-way through messaging, and can perform actions concurrently.
(2) The method comprises the steps of opening resources, establishing an IP protocol unified bearer network for backbone nodes with broadband communication resources, linking VTP-VHP in a cross-platform manner, supporting the platform communication resources to be opened to the outside, interconnecting through the backbone nodes, and establishing an association relation among a plurality of independently operated tactical/edge networks so as to support cross-network task coordination.
(3) The method comprises the steps that aggregation is carried out on demand, when a platform has multiple communication resources (such as a node A in figure 1), the VTP-VHP virtualizes the communication resources into a network, and a single interface and multi-chain distribution service of information are provided for a platform task system; when a platform does not have enough or proper communication resources, a backbone network can be used for logging in the platform, and a tactical/edge network required by 'borrowing' access is realized, so that the dynamic recombination of the platform task system and the communication resources is realized.
(4) The network management, because the maneuvering platform networking exists for one or a series of tasks of a specific region, after the tasks are completed, the platform lands and the network is disassembled, so that dynamic network planning and management are needed, a network management system in networking service capacity elements bears the dynamic network planning and management, and planning design, software definition, dynamic adjustment and autonomous maintenance are carried out on the incidence relation among various elements.
The integrated networking model of the heterogeneous communication resources based on the VTP-VHP is shown in figure 1.
Step 3, system/platform incremental integrated architecture design facing unified networking service
Aiming at different land, sea and air systems/platforms and various communication resources, a general integrated architecture and a modularized and combinable networking service unit are designed, and an incremental embedded integrated mode is adopted, so that the problem of unified networking service of the Internet of things system is solved, and the method comprises the following steps:
(1) And establishing a general integrated architecture. A unified communication resource integration architecture is established for various systems/platforms according to an application-service-resource three-layer structure, wherein an application layer is composed of one or more task systems of the platform, a service layer is composed of functional units such as VTPs (virtual tape platform), VHPs (very high frequency packet), IP (Internet protocol) gateways, security switching and the like, and a resource layer is composed of various broadband and narrowband communication resources.
(2) And designing a networking service unit. The method comprises the steps of conducting modular segmentation and function/performance design on functional units such as VTP, VHP, IP gateway and security exchange to form a combinable networking service product easy to expand, wherein the VTP has self-adaptive capacity to a task system interface, the VHP has comprehensive access capacity to narrow-band communication resources, the IP gateway has comprehensive access capacity to broadband communication resources, and the security exchange module has the capacity of information exchange among modules and security management of communication resources of different levels.
(3) An incrementally integrated application. According to the conditions of the difference of the platform capacity elements, the types of the communication resources and the like, networking service modules are selected according to needs to be combined into a networking service product adaptive to a specific platform, and a platform task system and the communication resources are integrated by adopting an incremental embedding integration mode. The horizontal collection of the networking service units of all the platforms is equivalent to the formation of a wide area bus, namely the ubiquitous interconnection of the Internet of things system is realized.
A system/platform incremental integration architecture oriented to unified networking services is shown in fig. 2.
Step 4, designing networking service operation mechanism of Internet of things system with information as center
The method changes the traditional address center communication mode, designs a plurality of topology structure integrated cross-layer networking protocols taking information as the center, forms a networking service operation mechanism, meets the requirements of cross-platform sharing of communication resources of the Internet of things system and automatic distribution of information among multiple networks, and comprises the following steps:
(1) And planning a design task community. When a plurality of systems/platforms are required to be connected together for cooperative operation for a certain task, the network management system carries out task requirement decomposition, decomposes a total task into a plurality of subtasks to form a plurality of relatively independent task groups, establishes an association relation (NR) between a corresponding task network and a platform element through network planning design, encapsulates the association relation into a networking system initialization parameter (M-S), and distributes the networking system initialization parameter (M-S) to a networking service unit of each platform.
(2) The software defines a task community. After receiving the initialization parameter (M-S) of the networking system, the platform networking service unit distributes the initialization parameter (M-S) among the internal modules, wherein the VTP converts the initialization parameter into the relation information (PR) between the platform task system and the platform and/or other platform communication transmission elements, the relation information (PR) is maintained autonomously in the network operation process, the VHP converts the relation information into the relation information (NR) between the communication transmission elements and the platform and/or other platforms, the relation information is maintained autonomously in the network operation process, the IP gateway extracts the related information of the broadband transmission elements, address management and mapping are carried out, and a uniform IP bearing backbone network is generated.
(3) Integrated cross-layer networking protocol
An information distribution protocol. The VTP is a unified entrance for accessing the platform task system to various networks, when the task system needs to exchange information with members of a common body, the information is sent to the VTP in a unified mode, the VTP decides which link/links of which platform are used for addressing/broadcasting according to PR relation information, adds a 'link code' label to the information and sends the information to a VHP of a corresponding platform, and the VHP executes a corresponding link interface protocol according to the 'link code' to realize automatic distribution of the information among various networks;
and (3) an information receiving protocol. The VHP is a uniform entrance for transmitting multi-network information to a related platform task system, the information falling to the ground from any network is uniformly transmitted to the VHP, the VHP decides which platform task system to transmit to according to NR relation information and addresses and transmits to the VTP of a corresponding platform, and the VTP performs processing such as deduplication, integrity integration and the like on the information;
and (4) an information forwarding protocol. The VTP sends all the integrated information to the platform task system, and forwards the broadcast information to other links according to a preset forwarding filtering rule, and automatically generates machine response to the addressing information, and returns the addressing information in the forwarding filtering rule, so that the reliability of wireless transmission is enhanced.
In a specific implementation, the present application provides a computer storage medium and a corresponding data processing unit, where the computer storage medium is capable of storing a computer program, and the computer program, when executed by the data processing unit, may execute the inventive content of the internet of things system communication resource decoupling and sharing method provided by the present invention and some or all of the steps in each embodiment. The storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), a Random Access Memory (RAM), or the like.
It is clear to those skilled in the art that the technical solutions in the embodiments of the present invention can be implemented by means of a computer program and its corresponding general-purpose hardware platform. Based on such understanding, the technical solutions in the embodiments of the present invention may be embodied in the form of a computer program, that is, a software product, where the computer program software product may be stored in a storage medium, and includes several instructions to enable a device (which may be a personal computer, a server, a single chip microcomputer, MUU, or a network device, etc.) including a data processing unit to execute the method in each embodiment or some parts of the embodiments of the present invention.
The invention provides a thought and a method of a method for decoupling and sharing communication resources of an internet of things system, and a plurality of methods and ways for implementing the technical scheme are provided. All the components not specified in the present embodiment can be realized by the prior art.
Claims (6)
1. A method for decoupling and sharing communication resources of an Internet of things system is characterized by comprising the following steps:
step 1, defining a capability element and an association relation based on heterogeneous resource classification and layering;
step 2, modeling heterogeneous communication resource integrated networking based on the virtual terminal and the virtual host;
step 3, designing a system and a platform incremental integrated architecture for unified networking service;
step 4, designing an Internet of things system networking service operation mechanism with information as a center;
the definition of the capability elements and the association relation based on the heterogeneous resource classification hierarchy in the step 1 comprises the following steps:
step 1-1, classifying and layering the resources of the whole Internet of things according to functions;
step 1-2, constructing a capability element model of networking the whole network resources according to the classification and layering in the step 1-1;
step 1-3, constructing an incidence relation model among the capacity elements according to the capacity element model in the step 1-2;
the heterogeneous communication resource integrated networking modeling based on the virtual terminal to the virtual host in the step 2 is to divide communication transmission resources into three types of resources, namely a backbone network, a tactical network and an edge network, and perform resource decoupling, resource opening and cross-platform dynamic recombination on platform task capacity elements and the communication transmission resources, and specifically comprises the following steps:
step 2-1, decoupling resources: designing a scheme of a virtual terminal and a virtual host, namely adopting the virtual terminal VTP to represent all communication transmission resources in a centralized manner to be in butt joint with task systems of all platforms in an Internet of things system, adopting the virtual host VHP to represent the task systems of all platforms in the Internet of things system in a centralized manner to be in butt joint with the communication transmission resources, and completing the decoupling of the task systems and the communication transmission resources of all platforms in the Internet of things system; the virtual terminal VTP and the virtual host VHP are computing entities encapsulated with addresses and behaviors, communicate externally in a message transmission mode and concurrently execute actions;
step 2-2, opening resources: for backbone nodes with broadband communication resources in the Internet of things system, an IP protocol unified bearer network is established, VTP-VTP is linked across platforms, communication transmission resources of each platform in the Internet of things system are supported to be open to the outside, and are interconnected through the backbone nodes, so that an association relation is established between more than two independently operated tactical or edge networks, and cross-network task coordination is supported;
step 2-3, polymerizing as required: when any one platform in the Internet of things system has more than two communication transmission resources, the virtual terminal and the virtual host virtualize the communication transmission resources into one network, and a single interface and multi-link distribution service of information are provided for a task system of the platform; when the communication transmission type resources of the platform do not meet the preset conditions, logging in other platforms by using a backbone network, accessing a required tactical or edge network, and finishing the dynamic recombination of the task system and the communication resources of the platform;
the system and platform incremental integrated architecture design facing the unified networking service in the step 3, namely designing a general integrated architecture and a networking service unit, and adopting an incremental embedded integrated mode to carry out the unified networking service, specifically comprising the following steps:
step 3-1, establishing a general integrated architecture: establishing a unified communication resource integration architecture for a platform in the Internet of things system according to a three-layer structure of application, service and resource; wherein the application layer is comprised of one or more task systems on the platform; the service layer consists of functional units, wherein each functional unit comprises a virtual terminal, a virtual host, an IP gateway and a safety exchange unit; the resource layer consists of broadband and narrowband communication resources;
step 3-2, designing a networking service unit: performing modularized segmentation and function and performance design on the functional units to form a networking service product; the virtual terminal has the self-adaptive capacity to a task system interface, the virtual host has the comprehensive access capacity to narrow-band communication resources, the IP gateway has the comprehensive access capacity to broadband communication resources, and the safety exchange module has the capacity of information exchange among modules and safety management on communication resources of different levels;
step 3-3, incremental integration application: selecting networking service modules according to the difference of the capability elements of each platform in the Internet of things system and the different conditions of the types of the communication transmission resources, combining the networking service modules into networking service products, namely networking service units, which are adaptive to the platforms, and integrating the task systems and the communication transmission resources of the platforms in an incremental embedded integration mode; the networking service units of all the platforms are transversely integrated to form a wide area bus, namely, the ubiquitous interconnection of the Internet of things system is realized;
the design of the networking service operation mechanism of the internet of things system with information as the center in the step 4 is to design a plurality of topology structure integrated cross-layer networking protocols with information as the center to form the networking service operation mechanism, so that the communication resources of the internet of things system can be shared across platforms and the information can be automatically distributed among networks, and the method comprises the following steps:
step 4-1, planning and designing a task community: when more than one platform is connected together for a certain task to cooperatively operate, the network management service element carries out task requirement decomposition, a total task is decomposed into more than one subtask to form more than one independent task group, an incidence relation NR between the communication transmission capacity element and the platform task capacity element is established through network planning design, the NR is packaged as an initialization parameter M-S of a networking system, and the M-S is distributed to a networking service unit of each platform;
step 4-2, defining a task community by software: after receiving an initialization parameter M-S of a networking system, a networking service unit of each platform distributes the initialization parameter M-S among internal modules, wherein a virtual terminal VTP converts the initialization parameter M-S into a relation PR between a platform task capacity element and a communication transmission capacity element and autonomously maintains the relation PR in the network operation process, a virtual host VHP converts the initialization parameter M-S into a relation NR between the communication transmission capacity element and the platform task capacity element and autonomously maintains the relation NR in the network operation process, and an IP gateway extracts relevant information of communication transmission resource elements in the communication transmission capacity element, performs address management and mapping and generates a unified IP bearing backbone network;
step 4-3, designing an integrated cross-layer networking protocol, specifically comprising the following steps:
the information distribution protocol comprises the following steps: the virtual terminal VTP is a unified entry of a task system access network of the platform, when the task system needs to exchange information with other members in the Internet of things, the information is sent to the virtual terminal VTP in a unified mode, the virtual terminal VTP decides an information transmission link and a mode according to PR information of the platform task capacity element and the communication transmission capacity element, attaches a link code label to the information and sends the information to a virtual host VHP of a corresponding platform, and the virtual host VHP executes a corresponding link interface protocol according to the link code, so that the information is automatically distributed among different networks;
the information receiving protocol comprises the following steps: the virtual host VHP is a uniform inlet for transmitting information of each network to a related platform task system, the information falling to the ground on any network is uniformly transmitted to the virtual host VHP, the virtual host VHP decides a task system of a target platform to be transmitted according to the relation NR information of a communication transmission capacity element and a platform task capacity element, and addresses and transmits the information to a virtual terminal VTP of a corresponding platform, and the virtual terminal VTP performs de-duplication and integrity integration processing on the information;
the information forwarding protocol comprises the following steps: and the virtual terminal VTP sends all the integrated information to a task system of the platform, forwards the broadcast information to other links according to a preset forwarding filtering rule, automatically generates machine response to the addressing information and returns the machine response in the original way.
2. The internet of things system communication resource decoupling and sharing method according to claim 1, wherein the internet of things resources are classified and layered according to functions in step 1-1, that is, the internet of things resources are classified into communication transmission resources, networking service resources and task function resources according to function classes, and three levels of a network layer, a service layer and an application layer are formed according to the classification, and specifically, the method comprises the following steps:
network layer: the communication transmission resources in the internet of things at least comprise communication transmission resources of broadband microwave communication, satellite communication, laser communication, tactical data chains and cooperative control data chains; the network layer provides information transmission capability aiming at the characteristics of joint task planning, information distribution, tactical coordination and action control service;
and (3) a service layer: the networking service resources in the Internet of things at least comprise network management services and networking service resources; the service layer supports task-oriented heterogeneous resource integrated networking;
an application layer: the task function resources in the internet of things at least comprise platform task system resources and sensing system resources; the application layer provides task planning, task allocation, intelligence reconnaissance, action command control and effect evaluation capabilities.
3. The internet of things system communication resource decoupling and sharing method as claimed in claim 2, wherein the building networking full network resource capability element model in step 1-2 comprises: the communication transmission capacity element model T, the networking service capacity element model N and the platform task capacity element model P are as follows:
communication transmission capability element model T: all resources of a network layer are taken as elements to represent the capability of transmitting various types of information, and the triplet T =isused<S T ,O T ,C T >Representing; wherein S is T The space attribute represents the position of the communication transmission capacity element and the motion trail information in the task execution process; o is T Is an organization attribute and represents the position and the organization relationship of the communication transmission capability element, and the organization relationship comprises the coordination relationship with other capability elements when executing the taskIs a step of; c T Is a capability attribute, representing each capability index of the communication transmission capability element, and uses a triple C T ＝<C TT ,C TS ,C TI >Is represented by the formula, wherein C TT Indicating the type of communication transmission type resource, C TS A technical system for representing communication transmission resources, the technical system comprises a network structure and a transmission protocol, C TI The method comprises the steps of representing a capability index of communication transmission type resources, wherein the capability index comprises a transmission distance, a communication bandwidth and an end-to-end response time;
networking service capability element model N: all resources of a service layer are taken as elements to represent the capability of bearing an integrated networking task on communication transmission resources in an Internet of things system, and a triple N =isused<S N ,O N ,C N >Representing; wherein S is N The space attribute represents the position of the networking service capability element and the motion trail information in the process of executing the task; o is N The system is an organization attribute and represents the position and the organization relation of the networking service capability element, wherein the organization relation comprises the cooperative relation with other capability elements when a task is executed; c N Is a capability attribute, representing the capability index of the networking service capability element, and uses the triple C N ＝<C NT ,C NS ,C NI >Is represented by the formula, wherein C NT Indicating the type of networking service type resource, C NS Indicating the status of the resources of the group service class, C NI Representing the capability index of the corresponding networking service resource, wherein the capability index comprises network planning and network control;
platform task capability element model P: all resources of an application layer are taken as elements to represent the capability of undertaking action tasks in the Internet of things system, and a triple P =isused<S P ,O P ,C P >Represents; wherein S is P The method comprises the following steps of (1) representing the initial position of a platform task capacity element and motion trail information in a task execution process by using a spatial attribute; o is P The method comprises the following steps that the method is an organization attribute and represents the position and the organization relation of a platform task capacity element, wherein the organization relation comprises the cooperative relation with other capacity elements when a task is executed; c P Is a capability attribute, representing the platformCapability index of task capability element, using triplet C N ＝<C PT ,C PS ,C PI >Is represented by, wherein, C PT The types of environments representing the various platforms in an internet of things system include: land, sea, air and sky, C PS Representing the type of tasks that the platform can undertake, C PI And representing the capability index of the platform for executing the task.
4. The internet of things system communication resource decoupling and sharing method as claimed in claim 3, wherein the building of the association relationship model between capability elements in steps 1-3 comprises: the relationship NR between the communication transmission capability element and the platform task capability element, the relationship PR between the platform task capability element and the communication transmission capability element, and the relationship MR between the networking service capability element and the platform task capability element are as follows:
relationship of communication transmission capability element to platform task capability element NR: by triad NR =<P-N NUM ,N-P NAME ,N-P ST >Represents; wherein, P-N NUM Representing the type and the number of communication transmission capacity elements contained in an Internet of things system; N-P NAME Representing a list of platform capability elements contained in each communication transmission capability element; N-P ST Representing the status of each communication transmission capability element by a triplet N-P ST ＝<N ID ,N SIZE ,N YN >Is represented by, wherein, N ID Indicating the link number, N, corresponding to the element of the communication transmission capability SIZE Indicating that each communication transmission capability element is an IP broadband or a wireless narrowband, N YN Indicating a current availability or unavailability status of each communication transmission capability element;
the relationship PR of the platform task capability element and the communication transmission capability element: with quadruplets PR =<P-P NUM ,P-N NUE ,P-N SUM ,P-N ST >Represents; wherein, P-P NUM The method comprises the steps of representing a platform task capacity element list contained in the Internet of things system, wherein each platform in the Internet of things system is represented by a corresponding platform identification number; P-N NUM Indicating the communication transfer energy each platform possessesThe type and number of force elements; P-N SUM The requirement that the task system in each platform carries out information exchange through the communication transmission capacity elements of the platform and/or other platforms is represented; P-N ST Representing the status of the individual communications transmission capability elements owned by each platform, using a quadruple P-N ST ＝<N ID ,N SIZE ,N YN ,N PRI >Is represented by, wherein, N ID Indicating the link number, N, corresponding to the element of the communication transmission capability SIZE Indicating that each communication transmission capability element is an IP broadband or a wireless narrowband, N YN Indicating the current availability or unavailability status, N, of each communication transmission capability element PRI Representing a usage prioritization of each communication transmission element;
relation MR of networking service capability elements and platform task capability elements: expressed by a binary set MR = < M-S, S-M >; the M-S represents that a network management service element in networking service capability elements distributes an Internet of things system initialization parameter to each platform task capability element; and the S-M indicates that the platform task capability element receives networking system initialization parameters distributed by the network management service element.
5. The internet of things system communication resource decoupling and sharing method according to claim 4, wherein in step 2, the backbone network at least comprises: satellite trunk, broadband microwave and laser communication; the tactical net at least comprises: JTIDS data chains and V/U data chains.
6. The internet of things system communication resource decoupling and sharing method according to claim 5, wherein in the step 2, the edge network at least comprises: the data link between the machines and the data link between the offshore formation teams.
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