CN105656736A - Software-defined wide area network system with low power consumption and configuration method thereof - Google Patents
Software-defined wide area network system with low power consumption and configuration method thereof Download PDFInfo
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- CN105656736A CN105656736A CN201610001575.4A CN201610001575A CN105656736A CN 105656736 A CN105656736 A CN 105656736A CN 201610001575 A CN201610001575 A CN 201610001575A CN 105656736 A CN105656736 A CN 105656736A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2854—Wide area networks, e.g. public data networks
Abstract
The invention discloses a software-defined wide area network system with low power consumption and a configuration method thereof. The system comprises user terminals, a cloud server, a gateway and a plurality of wide area networks with low power consumption, wherein the user terminal is connected with the cloud server, the wide area network with low power consumption is composed of a plurality of terminal devices, and each terminal device is connected to the cloud server through the gateway; and a network server of the wide area network with low power consumption is a cloud server that operates a protocol stack of the wide area network with low power consumption or a gateway that operates the protocol stack of the wide area network with low power consumption. The protocol stack of the wide area network is operated on the cloud server or the gateway, so a new MAC layer protocol can be continuously updated, expanded and added to adapt to a variety of different application scenes, the requirements on the terminal devices are reduced, the terminal devices of any protocol can be connected to the cloud server through the gateway, so as to realize the interconnection and intercommunication of the terminal devices with the terminal devices, and the terminal devices with the user terminals. The software-defined wide area network system with low power consumption disclosed by the invention is suitable for the field of communications of the internet of things.
Description
Technical field
The present invention relates to cloud and wireless communication field, especially relate to one and can be flexibly applied to different application scene, the software definition low-power consumption wide area network system of compatible different wireless communication protocols and collocation method thereof.
Background technology
The technology being applied to low-power consumption wide area network at present has LoRaWAN, Sigfox, Weightless-N, RPMA, LTE-M etc., the problem that these technology solve some telecommunications and low-power consumption at physical layer. But for whole low-power consumption wide area network (LPWAN) field, do not have a kind of extensively general communication and Networking protocol at present. Different technology providers and application company each develop the private network communication protocol of oneself. These agreements are typically all to be developed based on specific application scenarios, it is difficult to expand. Simultaneously because the difference of technical scheme and Communications Protocol Specification, different wide area network wireless devices, or even same type of equipment be all difficult to compatible combinations and be applied in same wide area network system use. And the end node devices hardware resource of low-power consumption wide area network is limited, it is necessary to meet low-power consumption, the requirement of low cost, it is impossible to the universal network communication agreement of carrying complexity is with compatible existing agreement and the demand meeting all application scenarios. These problems all seriously hinder the popularization in Internet of Things field of the low-power consumption wan technology and development.
State Intellectual Property Office of the People's Republic of China disclosed name and is called the patent documentation (publication number: CN102612170A) of " a kind of Internet of Things logistics communication system based on master-slave node mode " on 07 25th, 2012, it includes multiple from node, multiple host nodes and one or more server. Wherein host node has mobile communication module, it is possible to by mobile communication and server exchange data; Host node has short-range communication module, it is possible to set up low-power consumption, short-range communication link with from node; Host node has GPS communication module, it is possible to perform the positioning action of master-slave system.Product real time information, service is provided the user by background service system. This scheme yet suffers from can not the protocols having of compatible existing institute or the problem that meets all application scenarios demands.
Summary of the invention
The present invention mainly solves the technical problem that the versatility existing for prior art is poor, can not meet all of application scenarios demand etc., there is provided a kind of and there is good expansion and compatibility, it is possible to the normal software definition low-power consumption wide area network system used and collocation method thereof under nearly all scene.
The present invention is directed to what above-mentioned technical problem was addressed mainly by following technical proposals: a kind of software definition low-power consumption wide area network system, including user terminal, Cloud Server, gateway and several low-power consumption wide area networks, user terminal is connected with Cloud Server, low-power consumption wide area network is made up of several terminal units, and each terminal unit is connected to Cloud Server by gateway; The webserver of described low-power consumption wide area network is the gateway that the Cloud Server running and having low-power consumption wan protocol stack or operation have low-power consumption wan protocol stack.
Wan protocol stack operates on Cloud Server or gateway, select suitable agreement according to demand, reduce the requirement to terminal unit, whatsoever the terminal unit of agreement is connected to Cloud Server such as through gateway, thus the interconnection realized between terminal unit and terminal unit, terminal unit and user terminal.
As preferably, described Cloud Server running and has several to apply, Cloud Server is by the interface of the corresponding all of user terminal of application programming interface.
Application includes and is not limited to data acquisition, big data analysis etc.
As preferably, described Cloud Server is by any one in Ethernet, 3G and WiFi or several connection gateway.
Any form of real-time performance can be adopted between Cloud Server and gateway to interconnect.
As preferably, described low-power consumption wide area network connects gateway by 433MHz and/or 868MHz frequency range. Other all available communications bands can also be passed through between low-power consumption wide area network and gateway connect.
As preferably, described low-power consumption wan protocol stack includes the MAC(MediaAccessControl that can expand renewal, media access control layer) protocol stack and the PHY(Physical of renewal can be expanded, physical layer) protocol stack, described MAC protocol stack is packaged with several mac-layer protocol, described PHY protocol stack is packaged with several PHY layer agreement, described MAC protocol stack is by the corresponding all of application of unified MAC interface, described PHY protocol stack is by unified software definition low-power consumption wide area network HAL(HardwareAbstractionLayer, hardware abstraction layer) API is connected to MAC protocol stack, each low-power consumption wide area network is connected to other hardware devices in the webserver and wide area network by PHY layer agreement corresponding with this low-power consumption wan protocol in PHY protocol stack.
Native system can constantly update to expand and add new mac-layer protocol to adapt to various different application scenarios, it is ensured that realize reliability under various conditions, the demand of low-power consumption etc. Native system is owing to encapsulating the agreement of various existing LPWAN, it is possible to directly existing LPWAN compatibility is come in as a part for native system.
Because the mac-layer protocol of the encapsulation in low-power consumption wan protocol stack and PHY layer agreement all use unified interface, therefore can allocate mutually combination between them and use, to reach optimal allocation, reduce unnecessary overlapping development.
Cloud Server can optimize existing mac-layer protocol and PHY layer agreement according to the difference of different application scenarios changes and terminal unit, agreement after optimization can be upgraded by Configuration Online or adjust device parameter and be realized, and is always ensured that the optimization collocation of network. Meanwhile, Cloud Server can also pass through to update mac-layer protocol and the existing sub-network structure of PHY layer protocol changes and networking mode, is adapted to the change that any application needs.
A kind of software definition low-power consumption wide area network system collocation method, comprises the following steps:
S1, be applied on Cloud Server run, according to application demand, it is determined that after selected low-power consumption wide area network, Cloud Server allotment low-power consumption wan protocol stack in the mac-layer protocol corresponding with selected low-power consumption wide area network and PHY layer protocol configuration networking; Or application is directly connected to existing low-power consumption wide area network (its agreement is encapsulated) by Cloud Server and gateway, make a part for the software definition low-power consumption wide area network system that the present invention proposes;
S2, cloud server export into configuration file with PHY layer agreement with the form of SDK file according to selected mac-layer protocol, then by SDK burning file to terminal unit and gateway;
S3, application program corresponding low-power consumption wide area network configuration complete, system brings into operation.
As preferably, when selected gateway or terminal unit need online upgrading, cloud server reselects suitable mac-layer protocol and exports into configuration file with PHY layer agreement with the form of SDK file, then by SDK burning file to gateway or terminal unit, completes escalation process.
As preferably, cloud server optimizes existing mac-layer protocol according to the difference of different application scenarios changes and terminal unit, agreement after optimization is upgraded by Configuration Online or is adjusted device parameter and realizes, it is always ensured that the optimization collocation of network, simultaneously, when needs change network structure, cloud server changes existing sub-network structure and networking mode by updating LPWANMAC, it is adaptable to the change that any application needs.
The low-power consumption wan protocol stack of native system is that different mac-layer protocols and PHY layer agreement have been encapsulated into Cloud Server in the way of configuration file, and the agreement of all encapsulation is got up by unified MAC interface compatibility. So for application developer, simply in the face of same interface exploitation, without since it is desired that adapt to different mac-layer protocol or PHY layer agreement and develop much different application versions.
The substantial effect that the present invention brings is:
1, unifying compatible all as a whole networks of low-power consumption wide area network, user can be connected to any one equipment by native system network and be operated;
2, developer uses unified interface API, application and development convenient and efficient;
3, the distinctive protocol stack structure of network system in the present invention, in that context it may be convenient to constantly expand renewal, the new sub-protocol of compatible encapsulation and new equipment;
4, renewal network structure, parameter can be optimized flexibly by Cloud Server, make each equipment reach requirement that is stable and that meet low-power consumption;
5, by Cloud Server can the use state of all terminal units of monitor in real time, running status, with electricity condition, also support historical data access etc.; Use these data can carry out artificial intelligence further by cloud to study in depth, data mining.
Accompanying drawing explanation
Fig. 1 is a kind of software definition low-power consumption wide area network system structural representation of the present invention;
Fig. 2 is a kind of low-power consumption wan protocol stack architecture schematic diagram of the present invention;
In figure: 1, user terminal, 2, Cloud Server, 3, gateway, 4, low-power consumption wide area network, 5, application, 6, MAC protocol stack, 7, PHY protocol stack.
Detailed description of the invention
By the examples below, and in conjunction with accompanying drawing, technical scheme is described in further detail.
Embodiment: a kind of software definition low-power consumption wide area network system of the present embodiment, as shown in Figure 1, including user terminal 1, Cloud Server 2, gateway 3 and several low-power consumption wide area networks 4, user terminal is connected with Cloud Server, low-power consumption wide area network is made up of several terminal units, and each terminal unit is connected to Cloud Server by gateway; The webserver of described low-power consumption wide area network is the gateway that the Cloud Server running and having low-power consumption wan protocol stack or operation have low-power consumption wan protocol stack.
Cloud Server passes through its API(ApplicationProgrammingInterface, application programming interface) unified corresponding all of user terminal (including between other privately owned cloud) interface. All of application (AppLogic), such as data acquisition, big data analysis etc. also all concentrates on Cloud Server. Additionally, Cloud Server is except processing from different LPWAN(low-power consumption wide area networks by Ethernet, 3G, WiFi) data outside, it is also possible to the MAC program running various LPWAN as the webserver of LPWAN carrys out the LPWAN that O&M is different simultaneously. What be joined directly together with Cloud Server is the gateway of various LPWAN, and they are the intermediate node (Dataforward) of data downstream transmission, can also use as the webserver of LPWAN simultaneously. The various low-power consumption wide area networks that the basecoat of system is made up of different terminal equipment (End-Device) exactly. They are joined directly together by respective wireless channel (such as 433MHz, 868MHz etc.) and gateway.
As shown in Figure 2, low-power consumption wan protocol stack includes the MAC protocol stack 6 that can expand renewal and the PHY protocol stack 7 that can expand renewal, described MAC protocol stack is packaged with several mac-layer protocol, described PHY protocol stack is packaged with several PHY layer agreement, described MAC protocol stack is by the corresponding all of application 5 of unified MAC interface, described PHY protocol stack is connected to MAC protocol stack by unified HAL interface, each low-power consumption wide area network is connected to other hardware devices in the webserver and wide area network by PHY layer agreement corresponding with this low-power consumption wan protocol in PHY protocol stack.
MAC protocol stack is made up of various different LPWANMAC layer protocols. Wherein not only encapsulate the LPWANMAC layer protocol developed, it is also possible to constantly add new LPWANMAC layer protocol and encapsulation is stored in Cloud Server. MAC protocol stack upwards has unified interface SDLPWANMACAPI for application layer, is also have unified interface SDLPWANHALAPI. downwards for PHY protocol stack
For PHY protocol stack, also encapsulate the information such as various types of LPWANPHY layer protocol and device drives, it is possible to constantly add new PHY layer agreement and encapsulation is stored in Cloud Server. PHY protocol stack upwards uses unified interface SDLPWANHALAPI for MAC protocol stack. When configuration network, Cloud Server is allocated corresponding PHY layer agreement according to the selected network equipment and is exported into the form of configuration file SDK, is burned onto in terminal unit and Gateway/Network server.
Low-power consumption wan protocol stack it is achieved that
(1) constantly update to expand and add new LPWANMAC layer protocol to adapt to various different application scenarios, it is ensured that realize reliability under various conditions, the demand of low-power consumption etc.
(2) because the various sub-protocol layer LPWANMAC layer protocol of the encapsulation in low-power consumption wan protocol stack and PHY layer agreement all use unified interface, therefore can allocate mutually combination between them to use, to reach optimal allocation, reduce unnecessary overlapping development.
(3) cloud server can optimize existing sub-protocol LPWANMAC layer protocol according to the difference of different application scenarios changes and terminal unit, agreement after optimization can be upgraded by Configuration Online or adjust device parameter and be realized, and is always ensured that the optimization collocation of network. Meanwhile, cloud server can also pass through to update LPWANMAC and change existing sub-network structure and networking mode, is adapted to the change that any application needs.
For terminal use, it is possible to be connected to any one terminal unit by native system and be operated. No matter these terminal units adopt any proprietary protocol, still belong to different LPWAN, all have been encapsulated in SDLPWAN(software definition low-power consumption wide area network system) the inside. Same, between distinct device (if having demand), it is also possible to interconnected by SDLPWAN.
A kind of software definition low-power consumption wide area network system collocation method, comprises the following steps:
S1, be applied on Cloud Server run, according to application demand, it is determined that after selected low-power consumption wide area network, Cloud Server allotment low-power consumption wan protocol stack in the mac-layer protocol corresponding with selected low-power consumption wide area network and PHY layer protocol configuration networking; Or it is directly connected to existing LPWAN wide area network (its agreement is encapsulated) by Cloud Server/gateway, makes a part for the software definition low-power consumption wide area network system that the present invention proposes;
S2, cloud server export into configuration file with PHY layer agreement with the form of SDK file according to selected mac-layer protocol, then by SDK burning file to terminal unit and gateway;
S3, application program corresponding low-power consumption wide area network configuration complete, system brings into operation.
When selected gateway or terminal unit need online upgrading, cloud server reselects suitable mac-layer protocol and exports into configuration file with PHY layer agreement with the form of SDK file, then by SDK burning file to gateway or terminal unit, escalation process is completed.
Native system protocol stack is that different LPWANMAC procotols has been encapsulated into cloud server in the way of configuration file, and the agreement of all encapsulation is got up by unified SDLPWANMACAPI interface compatibility. So for application developer, simply in the face of same api interface is developed, without since it is desired that adapt to different MAC protocol and develop much different application versions.
By above-mentioned SDLPWAN system, it is possible to reach,
1, unifying compatible all as a whole networks of low-power consumption wide area network, user can be connected to any one equipment by native system network and be operated;
2, developer uses unified interface API, application and development convenient and efficient;
3, the distinctive protocol stack structure of network system in the present invention, in that context it may be convenient to constantly expand renewal, the new sub-protocol of compatible encapsulation and new equipment;
4, renewal network structure, parameter can be optimized flexibly by cloud server, make each equipment reach requirement that is stable and that meet low-power consumption;
5, by cloud server can the use state of all terminal units of monitor in real time, running status, with electricity condition, also support historical data access etc.; Use these data can carry out artificial intelligence further by cloud to study in depth, data mining.
Specific embodiment described herein is only to present invention spirit explanation for example.Described specific embodiment can be made various amendment or supplements or adopt similar mode to substitute by those skilled in the art, but without departing from the spirit of the present invention or surmount the scope that appended claims is defined.
Although more employing the terms such as agreement, wide area network, physical layer herein, but it is not precluded from using the probability of other term. These terms are used to be only used to describe and explain more easily the essence of the present invention; It is all contrary with spirit of the present invention for being construed as any additional restriction.
Claims (8)
1. a software definition low-power consumption wide area network system, it is characterized in that, including user terminal, Cloud Server, gateway and several low-power consumption wide area networks, user terminal is connected with Cloud Server, low-power consumption wide area network is made up of several terminal units, and each terminal unit is connected to Cloud Server by gateway; The webserver of described low-power consumption wide area network is the gateway that the Cloud Server running and having low-power consumption wan protocol stack or operation have low-power consumption wan protocol stack.
2. a kind of software definition low-power consumption wide area network system according to claim 1, it is characterised in that running on described Cloud Server and have several to apply, Cloud Server is by the interface of the corresponding all of user terminal of application programming interface.
3. a kind of software definition low-power consumption wide area network system according to claim 1 and 2, it is characterised in that described Cloud Server is by any one in Ethernet, 3G and WiFi or several connection gateway.
4. a kind of software definition low-power consumption wide area network system according to claim 3, it is characterised in that described low-power consumption wide area network connects gateway by 433MHz and/or 868MHz frequency range.
5. a kind of software definition low-power consumption wide area network system according to claim 3, it is characterized in that, described low-power consumption wan protocol stack includes to expand the MAC protocol stack of renewal and can expanding the PHY protocol stack of renewal, described MAC protocol stack is packaged with several mac-layer protocol, described PHY protocol stack is packaged with several PHY layer agreement, described MAC protocol stack is by the corresponding all of application of unified MAC interface, described PHY protocol stack is connected to MAC protocol stack by unified software definition low-power consumption wide area network HALAPI, each low-power consumption wide area network is connected to other hardware devices in the webserver and wide area network by PHY layer agreement corresponding with this low-power consumption wan protocol in PHY protocol stack.
6. a software definition low-power consumption wide area network system collocation method, it is characterised in that comprise the following steps:
S1, be applied on Cloud Server run, according to application demand, it is determined that after selected low-power consumption wide area network, Cloud Server allotment low-power consumption wan protocol stack in the mac-layer protocol corresponding with selected low-power consumption wide area network and PHY layer protocol configuration networking; Or application is directly connected to existing low-power consumption wide area network by Cloud Server and gateway;
S2, cloud server export into configuration file with PHY layer agreement with the form of SDK file according to selected mac-layer protocol, then by SDK burning file to terminal unit and gateway;
S3, application program corresponding low-power consumption wide area network configuration complete, system brings into operation.
7. a kind of software definition low-power consumption wide area network system collocation method according to claim 6, it is characterized in that, when selected gateway or terminal unit need online upgrading, cloud server reselects suitable mac-layer protocol and exports into configuration file with PHY layer agreement with the form of SDK file, then by SDK burning file to gateway or terminal unit, escalation process is completed.
8. a kind of software definition low-power consumption wide area network system collocation method according to claim 6, cloud server optimizes existing mac-layer protocol according to the difference of different application scenarios changes and terminal unit, agreement after optimization is upgraded by Configuration Online or is adjusted device parameter and realizes, it is necessary to changes cloud server during network structure and changes existing sub-network structure and networking mode by updating LPWANMAC.
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| CN109918109A (en) * | 2019-03-12 | 2019-06-21 | 赛特斯信息科技股份有限公司 | The system and method for software version smooth upgrade function is realized for SD-WAN system |
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| CN110401557A (en) * | 2019-02-28 | 2019-11-01 | 腾讯科技（深圳）有限公司 | A kind of network collocating method of terminal device, device and server |
| CN109918109A (en) * | 2019-03-12 | 2019-06-21 | 赛特斯信息科技股份有限公司 | The system and method for software version smooth upgrade function is realized for SD-WAN system |
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| CN110311905B (en) * | 2019-06-27 | 2021-10-22 | 上海金卓科技有限公司 | 5G small base station side data transmission method based on software definition and 5G small base station |
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