CN105430045A - Information processing method based on Internet of things - Google Patents
Information processing method based on Internet of things Download PDFInfo
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- CN105430045A CN105430045A CN201510716599.3A CN201510716599A CN105430045A CN 105430045 A CN105430045 A CN 105430045A CN 201510716599 A CN201510716599 A CN 201510716599A CN 105430045 A CN105430045 A CN 105430045A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
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Abstract
The invention provides an information processing method based on Internet of things, comprising employing a sensor to obtain data at the scene; sending the data obtained in real time to a sensor network; and uploading the data to a data server through Socket communication so as to allow a Web server to access the data in the data server. The information processing method based on Internet of things considers the characteristic of the environment where a sensor is located, has the characteristics of lower energy consumption and higher read-write access efficiency, and reduces application exploitation complexity.
Description
Technical field
The present invention relates to Internet of Things, particularly a kind of information processing method based on Internet of Things.
Background technology
Internet of Things is the important stage of information age development, and object and object are mainly interconnected by its feature, and realize information sharing.Internet of Things, by the communication such as recognition technology, information gathering cognition technology, is extensively integrated in network.Sensor network is based on Internet of Things, can under the conditions such as different time, place, environment, for terminal use provides valuable information.Wherein, sensor network can carry out perception and inspection to external sensor, by equipment change, can be connected with wireless and cable network.In sensor network, the system platform that Performance comparision is high must be equipped with.Transducer need to store perception data, CONFIG.SYS, can the various information such as the ephemeral data that produces of loading tasks file and program.Sensing node adopts flash chip as the storage medium of these information, and the physical characteristic that flash memory dystopy upgrades, require the global information of all application maintenance flash memory spaces; In addition, the application program relating to information storage all will realize access and the management function of file, adds application and development complexity.Existing flash memory database file system does not consider transducer self limited features and special applications scene when designing, and is not therefore suitable for sensor network.
Summary of the invention
For solving the problem existing for above-mentioned prior art, the present invention proposes a kind of information processing method based on Internet of Things, comprising:
Use transducer to carry out data acquisition at the scene in environment, the data of Real-time Obtaining are sent in sensor network, communicate by data upload to data server, to make data in Web server access data services device by Socket.
Preferably, the described data by Real-time Obtaining are sent in sensor network, comprise further:
Transducer is connected to the transducer I/O interface of MANET equipment, forms the end child node in a sensor network, independently image data, and transfer data to telegon in MANET; Complete the structure of transfer of data and data acquisition network, realize the collection to monitor data and transmission; Described sensor network and child node composition sensing data transmission system, system with ARM platform for bottom hardware, embedded microprocessor is adopted to run the operating system formed through the linux system module of the kernel of cutting, implementation process is dispatched, memory management, Virtual File System, network interface, interprocess communication;
Described sensor network is ZigBee ad hoc network, and using a node as telegon, other nodes are as child node; Each child node in network makes multiple ZigBee be distributed on the channel that time slot is identical and frequency is different, telegon is communicated with multiple ZigBee simultaneously, utilize frequency division multiple access that channel capacity is exchanged dynamically, ZigBee module is by telegon automatic network-building, terminal node automatic networking, adopt cycle timed sending message after setting up data communication, realize the real-time Transmission of data;
Utilize the ICP/IP protocol data flow socket of reliable SCCP connection-oriented service to achieve the communication end to end of gateway and server, the address format of socket is an IP address and a port numbers; ZigBee module extends out multiple sensors module by transducer I/O interface, and provides multiple Peripheral Interface; First the gateway of transmission data passes through ARM development board programming core system, then compiler under the environment of cross compile, then is entered by program burn writing in ARM development board; Data are transferred in master server by router by gateway, realize the real-time Transmission of data.
Preferably, described data server adopts daily record form to carry out structuring to file, the information of file and data are stored in independently file storage area, file storage area is continuous print flash memory physical page, space start as File header information structure, for preserving file-related information, be file data storage region subsequently; When file is modified first, be the daily record that file set up is corresponding, Update Table is recorded in daily record in units of the page, then also utilizes the information such as position and catalogue of erasable ROM storage file;
After database file system carry, the only file structure array of newly-built sky and filec descriptor array in main memory, and fileinfo is not loaded in main memory; Database file system file life cycle comprise newly-built, amendment with deletion 3 states, by the marker bit record current file status in erasable ROM, with the management to file, when newly-built state and amendment state, file is effective, and when deleting state, file is invalid; Database file system is carried out by name access file, and provides file function interface to comprise newly-built, read-write, delete for user, additionally provides the extended operation of rename, file access pattern and directory management.
Preferably, described file rename operations comprises: realize rename by transaction file attribute of name in erasable ROM, if there is file of the same name in erasable ROM, if this file is effective, then and rename failure; If be somebody's turn to do, file is invalid, then remove this inactive file information, transaction file name;
Described directory management operation comprises: use the linear catalogue of file and directory tree, linear catalogue manages file according to file ordinal position in flash memory space, directory tree arranges configuration file when compiling and realizes, and in directory tree, user manages file by directory name;
Described file access pattern operation comprises: as long as there is certain fileinfo in erasable ROM, then this file data is necessarily intactly preserved in a flash memory, only carries out resetting the recovery that can realize file to the status indicator of deleted document.
The present invention compared to existing technology, has the following advantages:
The present invention proposes a kind of information processing method based on Internet of Things, consider transducer place environmental characteristic, possess lower energy consumption and efficient read and write access efficiency, reduce application and development complexity.
Accompanying drawing explanation
Fig. 1 is the flow chart of the information processing method based on Internet of Things according to the embodiment of the present invention.
Embodiment
Detailed description to one or more embodiment of the present invention is hereafter provided together with the accompanying drawing of the diagram principle of the invention.Describe the present invention in conjunction with such embodiment, but the invention is not restricted to any embodiment.Scope of the present invention is only defined by the claims, and the present invention contain many substitute, amendment and equivalent.Set forth many details in the following description to provide thorough understanding of the present invention.These details are provided for exemplary purposes, and also can realize the present invention according to claims without some in these details or all details.
An aspect of of the present present invention provides a kind of information processing method based on Internet of Things.Fig. 1 is the information processing method flow chart based on Internet of Things according to the embodiment of the present invention.Inventive constructs networking sensing data transmission system, realize with sensor network be basic data acquisition, using gateway communication as transfer of data, data storage device is the data display platform of front end monitoring as data server, Web server.System is divided into acquisition layer, transport layer, network layer, data Layer, service layer, mutually coordinates, complete respective task between each layer of system.Acquisition layer uses various kinds of sensors to carry out data acquisition at diverse location, obtains Various types of data value in environment in real time.The receiving equipment that transport layer is is sensor network with ZigBee telegon, collects the data that sensor network child nodes obtains, and sends to gateway by serial interface communication.What network layer realized is Socket communication function under ICP/IP protocol, and data are reached data server.Data Layer is arrangement to data and storage operation.Service layer relies on mobile device client and Web server to be main terminal demonstration.For Web server, data in direct calling data storehouse, demonstrate the dynamic change of data in webpage, and carry out the contrast of early warning value to data, feed back early warning information in time.
ZigBee ad hoc network is using a node as telegon, and other nodes are as child node.Each child node in network makes multiple ZigBee be distributed on the channel that time slot is identical and frequency is different, and telegon can be made like this to communicate with multiple ZigBee simultaneously.Utilize frequency division multiple access that channel capacity is exchanged as requested dynamically, meet the demand of MANET.Telegon, after powering up, first can set up a wireless network, and when network has been set up and to allow new equipment to add fashionable, child node just can apply for adding network, and allocation address is to child node.1 receiver module is utilized to realize carrying out point-to-multipoint delivery to the sending module on multiple different channel.
Transducer is connected to the transducer I/O interface of MANET equipment, forms the end child node in a sensor network, independently image data, and transfer data to telegon in MANET.So just achieve data transmission network and data acquisition network, realize the collection to monitor data and transmission.Such as, for temperature and humidity data acquisition, adopt the humiture compound sensor containing calibrating digital signal output.Transducer comprises a condenser type condensate hygrometric element and an energy gap type temperature element, and realizes seamless link on the same chip with the A/D converter of 14 and serial interface circuit.For smoke data collection, the gas sensitive of use is the SnO that conductivity is lower in clean air
2, tin ash causes conductance to change by gas concentration change and produces the faint signal of telecommunication, then is amplified signal by amplifier, then is converted to digital signal by A/D.
System is with ARM platform for bottom hardware, and linux kernel system is Software Development Platform, and prolongable communication function meets interconnecting between various communication system.Based on building of ARM architecture platform, embedded microprocessor is adopted to run the small-scale operating system formed through the system module of the kernel of cutting, by process scheduling, memory management, Virtual File System, network interface, interprocess communication five sub-System's composition.ZigBee module is by telegon automatic network-building, and terminal node automatic networking, adopts cycle timed sending message, realize the real-time Transmission of data after setting up data communication.For embedded device network, select a kind of data flow socket (ICP/IP protocol) of reliable SCCP connection-oriented service, the address format of socket is an IP address and a port numbers, it achieves the communication end to end of gateway and server.ZigBee module supports that USB powers and powered battery mode, extends out multiple sensors module, and provide multiple Peripheral Interface by transducer I/O interface.First the gateway of transmission data passes through ARM development board programming core system, then compiler under the environment of cross compile, then is entered in ARM development board by program burn writing.Data are transferred in master server by router by gateway.Realize the real-time Transmission of data.
The carrier that database stores as information, makes data obtain and administers and maintains in order, efficiently.System of the present invention adopts relevant database to store data, sets up multiple page table, the data message storing and obtain from each transducer of classifying.Master server is responsible for the Data classification received to gather and write into Databasce, for the calling data of Web server is prepared.Data then carry out processing by Web server, analyze, add up, show and early warning etc.System is by routing device accessing Internet, and like this, monitor staff can be connected according to different authorities login monitor supervision platform by network in any place, obtains real-time field data.
Wherein, for the storage of image data, the present invention further improves sensor database file system.Database file system adopts the daily record form improved to carry out structuring to file, all kinds of storage medium of comprehensive utilization node preserves file-related information, both the position of quick indexing locating file in memory space, the function such as file rename, date restoring is easily provided again, possesses lower energy consumption simultaneously.There is efficient read and write access efficiency, also ensure the space hold that system is less to internal memory.
Transducer storage medium comprises main memory, erasable ROM, nand flash memory and serial storage.Main memory capacity is very limited, therefore requires that database file system takies the primary memory space as far as possible little.Erasable ROM is used for saved system configuration file.Nand flash memory is minimum read-write cell and supported data random access with byte, for preserving operating system mirror image and executable program, as the memory performed in device chip.The memory space of serial storage is divided into block and the page of fixed size; " 1 " can only be write as " 0 " by write operation; Only have erasable operation " 0 " can be reset to " 1 ", erasable operation is in units of block; There is maximum upper limit in erasable number of operations.In addition, sensor network disposition is general longer for service time, and the energy content of battery of transducer is very limited, because the responsibility of information router born by transducer, whole sensor network can be caused to paralyse so part of nodes electricity exhausts.Consider above-mentioned characteristic, database file system of the present invention adopts the daily record form improved to carry out structuring to file, the information of file and data are stored in independently file storage area by system, file storage area is continuous print flash memory physical page, space start as File header information structure, for preserving file-related information, be this file data storage region subsequently.Which avoid in the past log system file data scatter at whole memory space.When file is modified first, system is the daily record that file set up is corresponding, and Update Table is recorded in daily record in units of the page.In addition, database file system also utilizes the information such as position and catalogue of erasable ROM storage file, this both can by the physical location of index quick position file, the function such as file rename, date restoring can be provided again, can also avoid producing garbage files because of flash memory dystopy renewing speciality during amendment file attribute.
After database file system carry, only the file structure array of newly-built sky and filec descriptor array in main memory, be not loaded into fileinfo in main memory.Therefore database file system carry only needs the global information of initialization data library file system in main memory, so system carry can complete fast.For reducing database file system taking main memory, system allows the information that at most simultaneously can be loaded into 8 files in main memory, and therefore database file system can not increase with the increase of quantity of documents taking of the primary memory space.Database file system file life cycle comprise newly-built, amendment with deletion 3 states, by the marker bit record current file status in erasable ROM, so that system is to the management of file.When newly-built state and amendment state, file is effective, and when deleting state, file is invalid.
Database file system is carried out by name access file, and provides the file function interface of standard for user.Database file system not only provides the basic functions such as file is newly-built, read-write, deletion, additionally provides the expanded functions such as rename, file access pattern and directory management.When file is newly-built, whether system first to file filec descriptor, then search this filename respective file information and exist in erasable ROM.If exist and effectively, then fileinfo be loaded in main memory; Otherwise, this file newly-built.When file is newly-built, system first applies for the file storage area of default size in a flash memory, and writing in files header, then to load document information in main memory, finally adds the information of this file in erasable ROM.
File read-write is in units of logical page (LPAGE), and write operation is divided into interpolation to write and amendment is write.The data that file is added write operation by system directly add the ending of file to.If size of data exceedes file storage area, then carry out file extent operation: again apply for that 2 times to the file storage area of original size, original data are read new space, and transaction file is information in erasable ROM and main memory.1st byte of logical page (LPAGE) is modified logo position, when file is modified first, system is the newly-built journal file of this file, Update Table is stored in daily record with record form, and the concordance list set up in daily record is for preserving the mapping relations of amendment record and the original data place page.Daily record memory block is modified after record takes, and need carry out integrating documents operation: again apply for onesize file storage area, original data are read new space, upgrade information in erasable ROM and main memory.The fetch policy of database file system file data first from file, reads a logical page (LPAGE), check modified logo position, if data are modified in this page, then in corresponding daily record, reading amended data, is data complete after amendment in new file after therefore integrating.
During file erase, flash memory makes the data in file storage area not be wiped free of when file erase by the erasable characteristic of block, but cleaned when garbage reclamation.Therefore the deletion action of file just changes the mark of this file in erasable ROM as deletion state into, and fileinfo is still kept in erasable ROM.File rename database file system realizes rename by transaction file attribute of name in erasable ROM, if there is file of the same name in erasable ROM, if this file is effective, then and rename failure; If be somebody's turn to do, file is invalid, then remove this inactive file information, transaction file name.
For directory management, system uses the linear catalogue of file and directory tree.Linear catalogue manages file according to file ordinal position in flash memory space.The directory tree that system provides needs to arrange configuration file when compiling to realize, and in directory tree, user can manage file by directory name.File access pattern is because file erase realizes the amendment of file status mark, as long as there is certain fileinfo in erasable ROM, then this file data is necessarily intactly preserved in a flash memory.Therefore carry out resetting the restore funcitons that can realize file to the status indicator of deleted document.
Operation flash memory space along with system can produce a large amount of discarded file, and in order to clean out idle memory space, database file system needs to carry out garbage reclamation operation.Database file system, according to effective document and effective daily record quantity in the fileinfo statistics flash memory storage block in erasable ROM, will be the memory block erasing releasing idling memory block of zero.Remove the corresponding informance of all deletion status files in erasable ROM, therefore file access pattern can only carry out before garbage reclamation simultaneously.Database file system shifts to the less memory block file of effective document quantity and daily record the efficiency improving space reclamation.The restriction of flash memory wiping/writing number of times requires that database file system is evenly erasable to flash memory space.Database file system carries out order-assigned to flash memory space, and only carries out garbage reclamation when free storage deficiency, and when reclaiming, file migration can make occupied memory block always be released.Database file system by above-mentioned mechanism flash memory in erasable Balance Treatment.
In sum, the present invention proposes a kind of information processing method based on Internet of Things, consider transducer place environmental characteristic, possess lower energy consumption and efficient read and write access efficiency, reduce application and development complexity.
Obviously, it should be appreciated by those skilled in the art, above-mentioned of the present invention each module or each step can realize with general computing system, they can concentrate on single computing system, or be distributed on network that multiple computing system forms, alternatively, they can realize with the executable program code of computing system, thus, they can be stored and be performed by computing system within the storage system.Like this, the present invention is not restricted to any specific hardware and software combination.
Should be understood that, above-mentioned embodiment of the present invention only for exemplary illustration or explain principle of the present invention, and is not construed as limiting the invention.Therefore, any amendment made when without departing from the spirit and scope of the present invention, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.In addition, claims of the present invention be intended to contain fall into claims scope and border or this scope and border equivalents in whole change and modification.
Claims (4)
1. based on an information processing method for Internet of Things, it is characterized in that, comprising:
Use transducer to carry out data acquisition at the scene in environment, the data of Real-time Obtaining are sent in sensor network, communicate by data upload to data server, to make data in Web server access data services device by Socket.
2. method according to claim 1, is characterized in that, the described data by Real-time Obtaining are sent in sensor network, comprise further:
Transducer is connected to the transducer I/O interface of MANET equipment, forms the end child node in a sensor network, independently image data, and transfer data to telegon in MANET; Complete the structure of transfer of data and data acquisition network, realize the collection to monitor data and transmission; Described sensor network and child node composition sensing data transmission system, system with ARM platform for bottom hardware, embedded microprocessor is adopted to run the operating system formed through the linux system module of the kernel of cutting, implementation process is dispatched, memory management, Virtual File System, network interface, interprocess communication;
Described sensor network is ZigBee ad hoc network, and using a node as telegon, other nodes are as child node; Each child node in network makes multiple ZigBee be distributed on the channel that time slot is identical and frequency is different, telegon is communicated with multiple ZigBee simultaneously, utilize frequency division multiple access that channel capacity is exchanged dynamically, ZigBee module is by telegon automatic network-building, terminal node automatic networking, adopt cycle timed sending message after setting up data communication, realize the real-time Transmission of data;
Utilize the ICP/IP protocol data flow socket of reliable SCCP connection-oriented service to achieve the communication end to end of gateway and server, the address format of socket is an IP address and a port numbers; ZigBee module extends out multiple sensors module by transducer I/O interface, and provides multiple Peripheral Interface; First the gateway of transmission data passes through ARM development board programming core system, then compiler under the environment of cross compile, then is entered by program burn writing in ARM development board; Data are transferred in master server by router by gateway, realize the real-time Transmission of data.
3. method according to claim 2, it is characterized in that, described data server adopts daily record form to carry out structuring to file, the information of file and data are stored in independently file storage area, file storage area is continuous print flash memory physical page, space start as File header information structure, for preserving file-related information, be file data storage region subsequently; When file is modified first, be the daily record that file set up is corresponding, Update Table is recorded in daily record in units of the page, then also utilizes the information such as position and catalogue of erasable ROM storage file;
After database file system carry, the only file structure array of newly-built sky and filec descriptor array in main memory, and fileinfo is not loaded in main memory; Database file system file life cycle comprise newly-built, amendment with deletion 3 states, by the marker bit record current file status in erasable ROM, with the management to file, when newly-built state and amendment state, file is effective, and when deleting state, file is invalid; Database file system is carried out by name access file, and provides file function interface to comprise newly-built, read-write, delete for user, additionally provides the extended operation of rename, file access pattern and directory management.
4. method according to claim 3, it is characterized in that, described file rename operations comprises: realize rename, if there is file of the same name in erasable ROM by transaction file attribute of name in erasable ROM, if this file is effective, then rename failure; If be somebody's turn to do, file is invalid, then remove this inactive file information, transaction file name;
Described directory management operation comprises: use the linear catalogue of file and directory tree, linear catalogue manages file according to file ordinal position in flash memory space, directory tree arranges configuration file when compiling and realizes, and in directory tree, user manages file by directory name;
Described file access pattern operation comprises: as long as there is certain fileinfo in erasable ROM, then this file data is necessarily intactly preserved in a flash memory, only carries out resetting the recovery that can realize file to the status indicator of deleted document.
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| CN107395509A (en) * | 2017-08-28 | 2017-11-24 | 常熟理工学院 | A kind of data communications method based on Internet of Things |
| CN110071958A (en) * | 2019-02-01 | 2019-07-30 | 西安电子科技大学 | Sensor node control method based on embedded type web |
| CN111882264A (en) * | 2020-06-11 | 2020-11-03 | 中国铁道科学研究院集团有限公司电子计算技术研究所 | Method and device for establishing railway land management department model |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106502865A (en) * | 2016-11-02 | 2017-03-15 | 郑州云海信息技术有限公司 | Power consumption dynamic trend analysis method and device based on frequent Sensor monitoring |
| CN107395509A (en) * | 2017-08-28 | 2017-11-24 | 常熟理工学院 | A kind of data communications method based on Internet of Things |
| CN107395509B (en) * | 2017-08-28 | 2019-08-30 | 常熟理工学院 | A kind of data communications method based on Internet of Things |
| CN110071958A (en) * | 2019-02-01 | 2019-07-30 | 西安电子科技大学 | Sensor node control method based on embedded type web |
| CN110071958B (en) * | 2019-02-01 | 2020-07-28 | 西安电子科技大学 | Sensor node control method based on embedded web |
| CN111882264A (en) * | 2020-06-11 | 2020-11-03 | 中国铁道科学研究院集团有限公司电子计算技术研究所 | Method and device for establishing railway land management department model |
| CN111882264B (en) * | 2020-06-11 | 2024-05-31 | 中国铁道科学研究院集团有限公司电子计算技术研究所 | Method and device for establishing railway land management department model |
| CN114466389A (en) * | 2022-02-21 | 2022-05-10 | 重庆大学 | Design method for edge computing gateway of mechanical vibration wireless sensor network |
| CN114466389B (en) * | 2022-02-21 | 2023-12-15 | 重庆大学 | Edge computing gateway design method of mechanical vibration wireless sensor network |
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Application publication date: 20160323 |