CN107396416B - Communication control method and system based on data type - Google Patents
Communication control method and system based on data type Download PDFInfo
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- CN107396416B CN107396416B CN201710473245.XA CN201710473245A CN107396416B CN 107396416 B CN107396416 B CN 107396416B CN 201710473245 A CN201710473245 A CN 201710473245A CN 107396416 B CN107396416 B CN 107396416B
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
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- H—ELECTRICITY
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Abstract
The invention discloses a communication control method and a system based on data types, wherein the method comprises the following steps: the edge forwarding node receives a channel configuration instruction issued by the aggregation unit, and sends a main channel configuration coefficient and a standby channel configuration coefficient in the channel configuration instruction to the terminal equipment of the matched equipment type; the terminal equipment configures a target main channel according to the main channel configuration coefficient and configures a target standby channel according to the standby channel configuration coefficient; the terminal equipment acquires data to be sent and judges the type of the data to be sent; when the type of the data to be sent is a first type, calling a target main channel to send the data to be sent to an edge forwarding node; when the type of the data to be sent is a second type, calling a target standby channel to send the data to be sent to an edge forwarding node; according to the method and the device, the channel for sending the data is selected according to the data type, so that the requirements of different data on real-time performance and safety are met, and the real-time performance and safety of data transmission of the Internet of things are improved.
Description
Technical Field
The invention relates to the technical field of Internet of things, in particular to a communication control method and system based on data types.
Background
The Internet of Things (Internet of Things, referred to as IOT for short) is the Internet with which objects are connected, and is a network extended and expanded on the basis of the Internet, and any object is connected with the Internet through terminal devices such as radio frequency identification devices, infrared sensing devices, laser scanners, gas sensors and the like, so as to realize intelligent identification, positioning, tracking, monitoring and management. The internet of things system has not high requirements on communication requirements and data real-time performance of most terminal devices, such as a humidity sensor for collecting and representing soil humidity and a wind direction indicator for indicating a wind direction, but has a small part of terminal devices with high requirements on communication requirements and data real-time performance, such as a video monitoring system, an automatic teller machine and a remote information kiosk, and the terminal devices have large data collection ratio, important data, and strict requirements on data transmission reliability and bandwidth. When the terminal devices in the current market interact with the edge forwarding node data of the edge network, communication protocols such as bluetooth, ZigBee, WiFi and the like are mostly adopted, and transmission is performed in an unlicensed frequency band, so as to reduce the deployment cost of the internet of things system.
Disclosure of Invention
The embodiment of the invention discloses a communication control method and a communication control system based on data types, which are used for meeting high requirements of terminal equipment on data transmission reliability and real-time performance.
The invention discloses a communication control method based on data type in the first aspect, which comprises the following steps:
the edge forwarding node receives a channel configuration instruction issued by the aggregation unit; the channel configuration instruction comprises a device type, a main channel configuration coefficient and a standby channel configuration coefficient, wherein the main channel configuration coefficient is used for configuring a main channel corresponding to an authorized frequency band; the standby channel configuration coefficient is used for configuring a standby channel corresponding to the unlicensed frequency band;
the edge forwarding node sends the main channel configuration coefficient and the standby channel configuration coefficient in the channel configuration instruction to the terminal equipment matched with the equipment type;
the terminal equipment configures a target main channel according to the main channel configuration coefficient and configures a target standby channel according to the standby channel configuration coefficient;
the terminal equipment acquires data to be sent and judges the type of the data to be sent;
when the terminal device determines that the type of the data to be sent is a first type, calling the target main channel to send the data to be sent to the edge forwarding node, so that the edge forwarding node reports the data to be sent to the aggregation unit;
and when the terminal equipment determines that the type of the data to be sent is a second type, calling the target standby channel to send the data to be sent to the edge forwarding node so that the edge forwarding node reports the data to be sent to the aggregation unit.
As an optional implementation manner, in the first aspect of the present invention, when the terminal device determines that the type of the data to be sent is the first type, and before invoking the target main channel to send the data to be sent to the edge forwarding node, the method further includes:
when the terminal device determines that the type of the data to be sent is a first type, detecting whether the current system time reaches the preset data reporting time;
and when the current system time reaches the preset data reporting time, the terminal equipment executes the step of calling the target main channel to send the data to be sent to the edge forwarding node.
As an optional implementation manner, in the first aspect of the present invention, when the terminal device determines that the type of the data to be sent is the second type, and before invoking the target standby channel to send the data to be sent to the edge forwarding node, the method further includes:
when the terminal device determines that the type of the data to be sent is a second type, detecting whether the current system time reaches the preset data reporting time;
and when the current system time reaches the preset data reporting time, the terminal equipment executes the step of calling the target standby channel to send the data to be sent to the edge forwarding node.
As an optional implementation manner, in the first aspect of the present invention, before the edge forwarding node receives the channel configuration instruction sent by the aggregation unit, the method further includes:
the edge forwarding node receives data transmission control information issued by the aggregation unit, wherein the data transmission control information comprises data reporting time and the equipment type;
the edge forwarding node sends the data reporting time in the data transmission control information to the terminal equipment matched with the equipment type;
and the terminal equipment receives and stores the data reporting time.
As an optional implementation manner, in the first aspect of the present invention, when determining that the type of the data to be sent is the first type, the terminal device invokes the target main channel to send the data to be sent to the edge forwarding node, so that the edge forwarding node reports the data to be sent to the aggregation unit, where the method includes:
when the terminal device determines that the type of the data to be sent is a first type, obtaining a main channel identifier corresponding to the target main channel, and signing and encrypting the data to be sent by adopting the main channel identifier to obtain a first data packet;
the terminal device calls the target main channel to send the first data packet to the edge forwarding node, so that the edge forwarding node reports the received first data packet to the aggregation unit;
when the terminal device determines that the type of the data to be sent is a second type, the terminal device calls the target standby channel to send the data to be sent to the edge forwarding node, so that the edge forwarding node reports the data to be sent to the aggregation unit, and the method includes:
when the terminal equipment determines that the type of the data to be sent is a second type, acquiring a standby channel identifier corresponding to the target standby channel, and signing and encrypting the data to be sent by adopting the standby channel identifier to obtain a second data packet;
and the terminal equipment calls the target standby channel to send the second data packet to the edge forwarding node, so that the edge forwarding node reports the received second data packet to the aggregation unit.
The second aspect of the present invention discloses a communication control system based on data type, which may include:
the edge forwarding node is used for receiving the channel configuration instruction sent by the aggregation unit; the channel configuration instruction comprises a device type, a main channel configuration coefficient and a standby channel configuration coefficient, wherein the main channel configuration coefficient is used for configuring a main channel corresponding to an authorized frequency band; the standby channel configuration coefficient is used for configuring a standby channel corresponding to the unlicensed frequency band;
the edge forwarding node is further configured to send the main channel configuration coefficient and the standby channel configuration coefficient in the channel configuration instruction to a terminal device matching the device type;
the terminal device is used for configuring a target main channel according to the main channel configuration coefficient and configuring a target standby channel according to the standby channel configuration coefficient;
the terminal equipment is also used for acquiring data to be sent and judging the type of the data to be sent;
the terminal device is further configured to, when determining that the type of the data to be sent is a first type, invoke the target main channel to send the data to be sent to the edge forwarding node, so that the edge forwarding node reports the data to be sent to the aggregation unit;
the terminal device is further configured to, when it is determined that the type of the data to be sent is the second type, invoke the target standby channel to send the data to be sent to the edge forwarding node, so that the edge forwarding node reports the data to be sent to the aggregation unit.
As an optional implementation manner, in the second aspect of the present invention, when determining that the type of the data to be sent is the first type, the terminal device detects whether a current system time reaches a preset data reporting time; and when the current system time reaches the preset data reporting time, executing to call the target main channel to send the data to be sent to the edge forwarding node.
As an optional implementation manner, in the second aspect of the present invention, when determining that the type of the data to be sent is the second type, the terminal device detects whether a current system time reaches a preset data reporting time; and when the current system time reaches the preset data reporting time, calling the target standby channel to send the data to be sent to the edge forwarding node.
As an optional implementation manner, in the second aspect of the present invention, the edge forwarding node is further configured to receive data transmission control information sent by a convergence unit before receiving a channel configuration instruction sent by the convergence unit, where the data transmission control information includes data reporting time and the device type; and sending the data reporting time in the data transmission control information to the terminal equipment matched with the equipment type; and receiving and storing the data reporting time.
As an optional implementation manner, in the second aspect of the present invention, when determining that the type of the data to be sent is the first type, the terminal device is further configured to invoke the target main channel to send the data to be sent to the edge forwarding node, so that the manner for the edge forwarding node to report the data to be sent to the aggregation unit specifically is:
the terminal device is further configured to obtain a main channel identifier corresponding to the target main channel when it is determined that the type of the data to be sent is the first type, and sign and encrypt the data to be sent by using the main channel identifier to obtain a first data packet; calling the target main channel to send the first data packet to the edge forwarding node, so that the edge forwarding node reports the received first data packet to the aggregation unit;
the terminal device is further configured to, when it is determined that the type of the data to be sent is the second type, invoke the target standby channel to send the data to be sent to the edge forwarding node, so that the manner in which the edge forwarding node reports the data to be sent to the aggregation unit specifically is:
the terminal device is further configured to obtain a standby channel identifier corresponding to the target standby channel when it is determined that the type of the data to be sent is a second type, and sign and encrypt the data to be sent by using the standby channel identifier to obtain a second data packet; and calling the target standby channel to send the second data packet to the edge forwarding node, so that the edge forwarding node reports the received second data packet to the aggregation unit.
Compared with the prior art, the embodiment of the invention has the following beneficial effects:
in the embodiment of the present invention, after receiving a channel configuration instruction issued by a convergence unit, an edge forwarding node sends a main channel configuration coefficient and a standby channel configuration coefficient in the channel configuration instruction to a terminal device of a matching device type, and the terminal device sets a target main channel according to the main channel configuration coefficient and sets a target standby channel according to the standby channel configuration coefficient. Then, the terminal equipment acquires data to be sent, judges the type of the data to be sent, calls a target main channel to send the data to be sent to an edge forwarding node when the type of the data to be sent is determined to be a first type, and reports the data to be sent to a convergence unit by the edge forwarding node; and when the type of the data to be sent is determined to be the second type, calling a target standby channel to send the data to be sent to the edge forwarding node, and reporting the data to be sent to the aggregation unit by the edge forwarding node. In the embodiment of the invention, the convergence unit configures the target main channel and the target standby channel in the terminal equipment by issuing the channel configuration instruction, and then the terminal equipment can select the channel for sending data according to the data type so as to meet the requirements of different data on real-time performance and safety and improve the real-time performance and safety of data transmission of the internet of things.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of an architecture of an internet of things according to some embodiments of the present invention;
fig. 2 is a schematic flowchart of a communication control method based on data types according to an embodiment of the present invention;
FIG. 3 is another flow chart of the communication control method based on data type according to the embodiment of the present invention;
fig. 4 is a schematic structural diagram of a communication control system based on data types according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is to be noted that the terms "first", "second", and the like in the description and claims of the present invention are used for distinguishing different objects, and are not used for describing a specific order. The terms "comprises," "comprising," and any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The embodiment of the invention discloses a communication control method based on data types, which is used for selecting a channel for sending data according to the data types so as to meet the requirements of different data on real-time performance and safety and improve the real-time performance and safety of data transmission of the Internet of things. The embodiment of the invention correspondingly discloses a communication control system based on the data type.
Before the embodiments of the present invention are described, the internet of things architecture disclosed in some embodiments of the present invention is briefly described. As shown in fig. 1, fig. 1 is a schematic diagram of an architecture of the internet of things according to some embodiments of the present invention; the internet of things architecture shown in fig. 1 may include three layers, namely a terminal device layer, a forwarding node layer, and a convergence layer, according to functional division. The terminal equipment layer can comprise massive Internet of things terminals, such as video monitoring systems, automatic teller machines, hygrometers, smoke sensors, ventilation equipment, rainfall sensors, irrigation valves and the like; the forwarding node layer may include a large number of edge forwarding nodes connected to a network, where an edge forwarding node may include a router, a repeater, an access point, and other devices, and the embodiment of the present invention is not limited; the edge forwarding node can use any standard networking protocol, and can realize data analysis among different network systems; the aggregation layer can comprise an aggregation unit, and the aggregation unit can perform high-level management on each edge forwarding node of the forwarding node layer, so that the control of data transmission frequency, network topology and other networking functions is realized; the convergence unit can analyze and decide the data of the internet of things generated by massive terminal equipment, and can also acquire information or configure parameters of the terminal equipment by sending an instruction (at the moment, the transmission of the data points to the terminal equipment); the aggregation unit may also introduce various services, from big data to social networks, even from social tools "like" to weather sharing, etc. In the internet of things architecture shown in fig. 1, each edge forwarding node may provide internet of things data transceiving service for a large number of terminal devices within a network coverage area of the edge forwarding node, where each terminal device within the network coverage area of each edge forwarding node may have a wireless communication module with a wireless communication protocol built therein or a conventional communication module directly connected to the internet with a conventional networking protocol, so that each edge forwarding node may perform wireless communication with each terminal device in a network communication manner. In the internet of things architecture shown in fig. 1, when a wireless communication module built in a terminal device is produced, an upper frequency point 470MHz and a lower frequency point 510MHz can be input, so that the wireless communication module can automatically define a communication frequency band as 470 MHz-510 MHz to meet the specification of the SRRC standard in china; or, the upper frequency point 868MHz and the lower frequency point 908MHz can be input, so that the wireless communication module can automatically define the communication frequency band to 868 MHz-908 MHz to meet the provisions of the European ETSI standard; or, an upper frequency point 918MHz and a lower frequency point 928MHz can be input, so that the wireless communication module can automatically define the communication frequency band as 918 MHz-928 MHz to meet the specification of the American FCC standard; alternatively, the communication frequency band of the wireless communication module may be defined to comply with the provisions of the japanese ARIB standard or the canadian IC standard, and the embodiment of the present invention is not limited thereto. In the internet of things architecture shown in fig. 1, the terminal device may adopt a method of combining Frequency Division Multiplexing (FDMA), Frequency-Hopping Spread Spectrum (FHSS), Dynamic Time Division Multiplexing (DTDMA), and back-off multiplexing (CSMA) to solve the interference problem. The conventional communication module sets a conventional networking Protocol, such as Transmission Control Protocol/Internet Protocol (TCP/IP).
The following describes the technical solution of the present invention in detail with reference to specific embodiments from the perspective of the internet of things architecture shown in fig. 1.
Example one
Referring to fig. 2, fig. 2 is a schematic flowchart illustrating a communication control method based on data types according to an embodiment of the present invention; as shown in fig. 2, a data type-based communication control method may include:
201. the edge forwarding node receives a channel configuration instruction issued by the aggregation unit; the channel configuration instruction comprises a device type, a main channel configuration coefficient and a standby channel configuration coefficient, wherein the main channel configuration coefficient is used for configuring a main channel corresponding to an authorized frequency band; the spare channel configuration coefficient is used for configuring a spare channel corresponding to the unlicensed frequency band.
The main channel configuration coefficient in the embodiment of the invention is used for setting the main channel, the main channel is realized through a wireless communication protocol, and an authorization-free frequency band is adopted for data transmission, such as Bluetooth, ZigBee, WiFi and the like, and is used for transmitting small data or instructions and the like. The standby channel is realized through a traditional TCP/IP protocol, adopts an authorized frequency band for data transmission, can be used for transmitting big data, and has higher real-time performance and safety.
It can be understood that data acquired by some terminal devices in the internet of things have high requirements on real-time performance, reliability and safety, and meanwhile, the data is large, and also needs high bandwidth, so that the wireless communication mode applicable to the unlicensed frequency band with small data and low safety is not suitable for transmitting the data. For example, in a video monitoring system in the internet of things, the acquired data are video files, the data are large, and requirements are also provided for safety in the data transmission process, so that the terminal equipment is different from a hygrometer which is only used for uploading 'small' data representing soil humidity. However, such terminal devices also receive and send some simple instructions or data, if the traditional TCP/IP protocol is considered, resources are obviously wasted, and the cost is also increased, so in the present invention, a main channel and a standby channel are set for such terminal devices, and different channels can be selected for communication according to actual requirements, so as to meet different requirements of data on reliability, security, real-time performance and bandwidth.
Before the edge forwarding node receives the channel configuration instruction issued by the aggregation unit, the embodiment of the present invention further includes: the edge forwarding node receives data transmission control information issued by the aggregation unit, wherein the data transmission control information comprises data reporting time and equipment type; the edge forwarding node sends the data reporting time in the data transmission control information to the terminal equipment with the matched equipment type; and the terminal equipment receives and stores the data reporting time. Through the implementation mode, the data reporting time is set for the terminal equipment appointed by the aggregation unit so as to control the terminal equipment to report data at the data reporting time, and the management function of the aggregation unit on the terminal equipment is realized.
202. And the edge forwarding node sends the main channel configuration coefficient and the standby channel configuration coefficient in the channel configuration instruction to the terminal equipment of the matched equipment type.
The edge forwarding node broadcasts a message in the coverage area of the edge forwarding node, the broadcast message carries a main channel configuration coefficient and a standby channel configuration coefficient in the channel configuration instruction and the equipment type, when the terminal equipment monitors the broadcast message, the equipment type is extracted from the broadcast message, and if the equipment type is the equipment type corresponding to the terminal equipment, the main channel configuration coefficient and the standby channel configuration coefficient are obtained from the broadcast message. If not, the broadcast message is ignored.
Further, the main channel configuration coefficient and the standby channel configuration coefficient in the broadcast message are encrypted and packaged into a data packet, the terminal device extracts the device type from the broadcast message, and if the device type is the device type corresponding to the terminal device, the terminal device decrypts the device type according to a preset decryption algorithm to obtain the main channel configuration coefficient and the standby channel configuration coefficient, so that data security is improved.
203. And the terminal equipment configures a target main channel according to the main channel configuration coefficient and configures a target standby channel according to the standby channel configuration coefficient.
204. The terminal equipment acquires data to be sent and judges the type of the data to be sent.
The terminal equipment of the embodiment of the invention is also provided with a human-computer interaction interface for realizing human-computer interaction, and a user can select the main channel or the standby channel through the human-computer interaction interface.
As an optional implementation manner, the human-machine interaction interface on the terminal device may be a physical button on the terminal device interface, and the user may select the target main channel or the target standby channel by manually operating the physical button, specifically, receive an operation instruction input by the user through the physical button, further identify the operation instruction, open the target main channel if the operation instruction is an operation instruction for opening the target main channel, and open the target standby channel if the operation instruction is an instruction for opening the target standby channel. In the embodiment, the user needs to operate face to face with the terminal equipment, and the method is intuitive and simple.
As another optional mode, the human-computer interaction interface on the terminal device may be a monitoring interface for remote monitoring, and another terminal device is bound to the terminal device, such as a mobile device (smart phone, etc.), after the monitoring interface is activated, whether an operation instruction sent by the bound terminal device is received is monitored in real time, if the operation instruction is received, the operation instruction is further identified, if the operation instruction is an operation instruction for opening a target main channel, the target main channel is opened, and if the operation instruction is an instruction for opening a target standby channel, the target standby channel is opened. This embodiment can carry out remote monitoring, and is more convenient, also can reduce the personal safety threat to the user moreover.
205. And when the terminal equipment determines that the type of the data to be sent is the first type, calling the target main channel to send the data to be sent to the edge forwarding node so that the edge forwarding node reports the data to be sent to the aggregation unit.
As an optional implementation manner, when determining that the type of the data to be transmitted is the first type, the terminal device obtains a main channel identifier corresponding to the target main channel, and signs and encrypts the data to be transmitted by using the main channel identifier to obtain a first data packet; and calling the target main channel to send the first data packet to the edge forwarding node so that the edge forwarding node reports the received first data packet to the aggregation unit. In the embodiment, the main channel identifier is used for signing and encrypting the acquired data, so that the security of data transmission can be improved, and the edge forwarding node or the aggregation unit can distinguish the data through the main channel identifier conveniently.
206. And when the terminal equipment determines that the type of the data to be sent is the second type, calling the target standby channel to send the data to be sent to the edge forwarding node so that the edge forwarding node reports the data to be sent to the aggregation unit.
As an optional implementation manner, when determining that the type of the data to be sent is the second type, the terminal device invokes the target standby channel to send the data to be sent to the edge forwarding node, so that the edge forwarding node reports the data to be sent to the aggregation unit, including: when the terminal equipment determines that the type of the data to be sent is a second type, acquiring a standby channel identifier corresponding to a target standby channel, and signing and encrypting the data to be sent by adopting the standby channel identifier to obtain the data to be sent; and calling the target standby channel to send the data to be sent to the edge forwarding node so that the edge forwarding node reports the received data to be sent to the aggregation unit. In the embodiment, the acquired data is signed and encrypted by using the standby channel identifier, so that the data transmission safety can be improved, and the edge forwarding node or the aggregation unit can distinguish the data through the standby channel identifier conveniently.
As an optional implementation manner, the step of the terminal device invoking the target standby channel to send the data to be sent to the edge forwarding node specifically includes: the terminal equipment calls a standby channel and determines a target transmission frequency band on the authorization-free frequency band; and establishing communication connection with the edge forwarding node on the target transmission frequency band, and sending the data to be sent to the edge forwarding node based on the established communication connection.
Further, the step of establishing, by the terminal device, a communication connection with the edge forwarding node on the target transmission frequency band, and sending data to be sent to the edge forwarding node based on the established communication connection specifically includes: and the terminal equipment determines a time-frequency resource corresponding to the target transmission frequency band and sends data to be sent to the edge forwarding node on the time-frequency resource.
Further, the determining, by the terminal device, a time-frequency resource corresponding to the target transmission frequency band, and sending the data to be sent to the edge forwarding node on the time-frequency resource specifically includes: the terminal equipment determines the frequency domain position of a physical resource block for transmitting data to be transmitted from a target transmission frequency band in a frequency hopping mode; and the terminal equipment sends the data to be sent to the edge forwarding node on the time-frequency resource corresponding to the determined frequency domain position of the physical resource block. By implementing the embodiment, the problem of data interference can be solved, and the data transmission efficiency is improved.
In the embodiment of the present invention, after receiving a channel configuration instruction issued by a convergence unit, an edge forwarding node sends a main channel configuration coefficient and a standby channel configuration coefficient in the channel configuration instruction to a terminal device of a matching device type, and the terminal device sets a target main channel according to the main channel configuration coefficient and sets a target standby channel according to the standby channel configuration coefficient. Then, the terminal equipment acquires data to be sent, judges the type of the data to be sent, calls a target main channel to send the data to be sent to an edge forwarding node when the type of the data to be sent is determined to be a first type, and reports the data to be sent to a convergence unit by the edge forwarding node; and when the type of the data to be sent is determined to be the second type, calling a target standby channel to send the data to be sent to the edge forwarding node, and reporting the data to be sent to the aggregation unit by the edge forwarding node. In the embodiment of the invention, the convergence unit configures the target main channel and the target standby channel in the terminal equipment by issuing the channel configuration instruction, and then the terminal equipment can select the channel for sending data according to the data type so as to meet the requirements of different data on real-time performance and safety and improve the real-time performance and safety of data transmission of the internet of things.
Example two
Referring to fig. 3, fig. 3 is another schematic flow chart illustrating a communication control method based on data types according to an embodiment of the present invention; as shown in fig. 3, a data type-based communication control method may include:
301. the edge forwarding node receives a channel configuration instruction issued by the aggregation unit; the channel configuration instruction comprises a device type, a main channel configuration coefficient and a standby channel configuration coefficient, wherein the main channel configuration coefficient is used for configuring a main channel corresponding to an authorized frequency band; the spare channel configuration coefficient is used for configuring a spare channel corresponding to the unlicensed frequency band.
The main channel configuration coefficient in the embodiment of the invention is used for setting the main channel, the main channel is realized through a wireless communication protocol, and an authorization-free frequency band is adopted for data transmission, such as Bluetooth, ZigBee, WiFi and the like, and is used for transmitting small data or instructions and the like. The standby channel is realized through a traditional TCP/IP protocol, adopts an authorized frequency band for data transmission, can be used for transmitting big data, and has higher real-time performance and safety.
302. And the edge forwarding node sends the main channel configuration coefficient and the standby channel configuration coefficient in the channel configuration instruction to the terminal equipment of the matched equipment type.
303. And the terminal equipment configures a target main channel according to the main channel configuration coefficient and configures a target standby channel according to the standby channel configuration coefficient.
The terminal equipment enters a setting option of channel configuration, a main channel configuration coefficient is set in the setting option to obtain a target main channel, and a standby channel configuration coefficient is set in the setting option to obtain a target standby channel.
304. The terminal equipment acquires data to be sent and judges the type of the data to be sent.
305. When the type of the data to be sent is determined to be a first type, the terminal equipment detects whether the current system time reaches the preset data reporting time; if yes, go to step 306; if the determination result is negative, continue to detect the current system time, and execute step 305.
306. And the terminal equipment calls the target main channel to send the data to be sent to the edge forwarding node.
As an optional implementation manner, when determining that the type of the data to be sent is the first type and the current system time reaches the preset data reporting time, the terminal device obtains a main channel identifier corresponding to the target main channel, and signs and encrypts the data to be sent by using the main channel identifier to obtain a first data packet; and calling the target main channel to send the first data packet to the edge forwarding node so that the edge forwarding node reports the received first data packet to the aggregation unit. In the embodiment, the main channel identifier is used for signing and encrypting the acquired data, so that the security of data transmission can be improved, and the edge forwarding node or the aggregation unit can distinguish the data through the main channel identifier conveniently.
307. And when the terminal equipment determines that the type of the data to be sent is the second type, detecting whether the current system time reaches the preset data reporting time. If yes, go to step 308; if the determination result is negative, continue to detect the current system time, execute step 307.
As an optional implementation manner, the terminal device configures data reporting time by using the data transmission control information sent by the aggregation unit, so as to periodically collect data and report the data to be sent at the reporting time. In the process of adopting the main channel, the terminal equipment monitors the current system time in real time, reports data to be sent when the current system time reaches the preset data reporting time, and can report the data to the aggregation unit at the time point specified by the aggregation unit so as to meet the requirement of the aggregation unit on the data.
308. And the terminal equipment calls the target standby channel to send the data to be sent to the edge forwarding node.
When the terminal equipment determines that the type of the data to be sent is a second type and the current system time reaches the preset data reporting time, the terminal equipment acquires a standby channel identifier corresponding to a target standby channel, and signs and encrypts the data to be sent by adopting the standby channel identifier to obtain the data to be sent; and calling the target standby channel to send the data to be sent to the edge forwarding node so that the edge forwarding node reports the received data to be sent to the aggregation unit. In the embodiment, the acquired data is signed and encrypted by using the standby channel identifier, so that the data transmission safety can be improved, and the edge forwarding node or the aggregation unit can distinguish the data through the standby channel identifier conveniently.
As an optional implementation manner, the terminal device configures data reporting time by using the data transmission control information sent by the aggregation unit, so as to periodically collect data and report the data to be sent at the reporting time. In the process of adopting the standby channel, the terminal device monitors the current system time in real time, reports data to be sent when the current system time reaches the preset data reporting time, and can report the data to the aggregation unit at the time point specified by the aggregation unit so as to meet the requirement of the aggregation unit on the data.
In the embodiment of the present invention, the convergence unit further sends the data transmission control information, so that the terminal device can set the data reporting time according to the data transmission control information. If the type of the data to be sent is the first type, the terminal equipment calls a main channel to send the data to be sent to an edge forwarding node when determining that the current system time reaches the data reporting time, and then the edge node accesses to report the received data to be sent to a convergence unit; if the type of the data to be transmitted is the second type, the terminal equipment calls the standby channel to transmit the acquired data to be transmitted to the edge forwarding node when the current system time is determined to reach the data reporting time, and the terminal equipment can select the channel for transmitting the data according to the data type so as to meet the requirements of different data on real-time performance and safety and improve the real-time performance and safety of data transmission of the Internet of things; and the data reporting time is set according to the aggregation unit, so that the data can be reported according to the demand of the aggregation unit, and the aggregation unit is facilitated to carry out data analysis and strategy formulation.
EXAMPLE III
Referring to fig. 4, fig. 4 is a schematic structural diagram of a communication control system based on data types according to an embodiment of the present invention; as shown in fig. 4, a communication control system based on data type may include:
an edge forwarding node 410, configured to receive a channel configuration instruction issued by the aggregation unit 420; the channel configuration instruction comprises a device type, a main channel configuration coefficient and a standby channel configuration coefficient, wherein the main channel configuration coefficient is used for configuring a main channel corresponding to an authorized frequency band; the spare channel configuration coefficient is used for configuring a spare channel corresponding to the unlicensed frequency band;
the edge forwarding node 410 is further configured to send the main channel configuration coefficient and the standby channel configuration coefficient in the channel configuration instruction to the terminal device 430 of the matched device type;
the terminal device 430 is configured to configure a target main channel according to the main channel configuration coefficient, and configure a target standby channel according to the standby channel configuration coefficient;
the terminal device 430 is further configured to, when determining that the type of the data to be sent is the first type, invoke the target main channel to send the data to be sent to the edge forwarding node 410, so that the edge forwarding node 410 reports the data to be sent to the aggregation unit 420;
the terminal device 430 is further configured to, when determining that the type of the data to be sent is the second type, invoke the target standby channel to send the data to be sent to the edge forwarding node 410, so that the edge forwarding node 410 reports the data to be sent to the aggregation unit 420.
As an optional implementation manner, the step of calling, by the terminal device 430, the target standby channel to send data to be sent to the edge forwarding node 410 specifically includes: the terminal device 430 calls the standby channel to determine a target transmission frequency band on the unlicensed frequency band; establishing a communication connection with the edge forwarding node 410 on the target transmission frequency band, and transmitting data to be transmitted to the edge forwarding node 410 based on the established communication connection.
Further, the step of the terminal device 430 establishing a communication connection with the edge forwarding node 410 on the target transmission frequency band, and sending data to be sent to the edge forwarding node 410 based on the established communication connection specifically includes: the terminal device 430 determines a time-frequency resource corresponding to the target transmission frequency band, and sends data to be sent to the edge forwarding node 410 on the time-frequency resource.
Further, the determining, by the terminal device 430, a time-frequency resource corresponding to the target transmission frequency band, and sending data to be sent to the edge forwarding node 410 on the time-frequency resource specifically includes: terminal device 430 determines the frequency domain position of the physical resource block for transmitting data to be transmitted from the target transmission frequency band in a frequency hopping manner; the terminal device 430 sends the data to be sent to the edge forwarding node 410 on the time-frequency resource corresponding to the determined frequency domain position of the physical resource block. By implementing the embodiment, the problem of data interference can be solved, and the data transmission efficiency is improved.
As an optional implementation manner, when determining that the type of the data to be sent is the first type, terminal device 430 detects whether the current system time reaches a preset data reporting time; and when the current system time reaches the preset data reporting time, executing to call the target main channel to send the data to be sent to the edge forwarding node 410.
As an optional implementation manner, when determining that the type of the data to be sent is the second type, terminal device 430 detects whether the current system time reaches a preset data reporting time; and when the current system time reaches the preset data reporting time, executing to call the target standby channel to send the data to be sent to the edge forwarding node 410.
As an optional implementation manner, the edge forwarding node 410 is further configured to receive data transmission control information sent by the aggregation unit 420 before receiving the channel configuration instruction sent by the aggregation unit 420, where the data transmission control information includes data reporting time and a device type; sending the data reporting time in the data transmission control information to the terminal device 430 with the matched device type; and receiving and storing the data reporting time.
As an optional implementation manner, when determining that the type of the data to be sent is the first type, the terminal device 430 is further configured to invoke the target main channel to send the data to be sent to the edge forwarding node 410, so that a manner for the edge forwarding node 410 to report the data to be sent to the aggregation unit 420 specifically is:
the terminal device 430 is further configured to, when it is determined that the type of the data to be sent is the first type, obtain a main channel identifier corresponding to the target main channel, and sign and encrypt the data to be sent by using the main channel identifier to obtain a first data packet; and, invoking the target main channel to send the first data packet to the edge forwarding node 410, so that the edge forwarding node 410 reports the received first data packet to the aggregation unit 420.
Further, when determining that the type of the data to be sent is the first type and the current system time reaches the preset data reporting time, the terminal device 430 obtains a main channel identifier corresponding to the target main channel, and signs and encrypts the data to be sent by using the main channel identifier to obtain a first data packet; and, invoking the target main channel to send the first data packet to the edge forwarding node, so that the edge forwarding node 410 reports the received first data packet to the aggregation unit 420. In this embodiment, the collected data is signed and encrypted by using the main channel identifier, which not only improves the security of data transmission, but also facilitates the data differentiation by the edge forwarding node 410 or the aggregation unit 420 through the main channel identifier.
The terminal device 430 is further configured to, when determining that the type of the data to be sent is the second type, invoke the target standby channel to send the data to be sent to the edge forwarding node 410, so that a manner for the edge forwarding node 410 to report the data to be sent to the aggregation unit 420 specifically is:
the terminal device 430 is further configured to, when it is determined that the type of the data to be sent is the second type, obtain a standby channel identifier corresponding to the target standby channel, and sign and encrypt the data to be sent by using the standby channel identifier to obtain a second data packet; and, invoking the target backup channel to send the second packet to the edge forwarding node 410, so that the edge forwarding node 410 reports the received second packet to the aggregation unit 420.
Further, through the data transmission control information issued by the aggregation unit 420, the terminal device 430 configures data reporting time, so as to periodically collect data and report the data to be sent at the reporting time. In the process of using the main channel, the terminal device 430 monitors the current system time in real time, reports data to be sent when the current system time reaches the preset data reporting time, and can report the data to the aggregation unit 420 at the time point specified by the aggregation unit 420, so as to meet the requirement of the aggregation unit 420 on the data.
The terminal device 430 of the embodiment of the present invention is further provided with a human-computer interaction interface for implementing human-computer interaction, and a user can select a main channel or a standby channel through the human-computer interaction interface.
As an optional implementation, the human-machine interaction interface on the terminal device 430 may be a physical button on the interface of the terminal device 430, and the user may select the target main channel or the target standby channel by manually operating the physical button, specifically, receive an operation instruction input by the user through the physical button, further identify the operation instruction, open the target main channel if the operation instruction is an operation instruction for opening the target main channel, and open the target standby channel if the operation instruction is an instruction for opening the target standby channel. In this embodiment, the user needs to operate face-to-face with the terminal device 430, which is intuitive and simple.
As another optional mode, the human-computer interaction interface on the terminal device 430 may be a monitoring interface for remote monitoring, and by binding another terminal device 430 with the terminal device 430, such as a mobile device (smart phone, etc.), after the monitoring interface is activated, it is monitored in real time whether an operation instruction sent by the bound terminal device 430 is received, if the operation instruction is received, the operation instruction is further identified, if the operation instruction is an operation instruction for opening a target main channel, the target main channel is opened, and if the operation instruction is an instruction for opening a target standby channel, the target standby channel is opened. This embodiment can carry out remote monitoring, and is more convenient, also can reduce the personal safety threat to the user moreover.
As an optional implementation manner, the manner in which the edge forwarding node 410 sends the main channel configuration coefficient and the standby channel configuration coefficient in the channel configuration instruction to the terminal device 430 of the matched device type is specifically:
the edge forwarding node 410 broadcasts a message within its coverage area, where the broadcast message carries the primary channel configuration coefficient and the backup channel configuration coefficient in the channel configuration instruction, and the device type, and when monitoring the broadcast message, the terminal device 430 extracts the device type from the broadcast message, and if the device type is a device type corresponding to itself, acquires the primary channel configuration coefficient and the backup channel configuration coefficient from the broadcast message. If not, the broadcast message is ignored.
Further, the main channel configuration coefficient and the spare channel configuration coefficient in the broadcast message are encrypted and packaged into a data packet, the terminal device 430 extracts the device type from the broadcast message, and if the device type is the device type corresponding to itself, the terminal device 430 decrypts according to a preset decryption algorithm to obtain the main channel configuration coefficient and the spare channel configuration coefficient, so as to improve data security.
As an optional implementation manner, the manner in which the terminal device 430 configures the target main channel according to the main channel configuration coefficient and configures the target backup channel according to the backup channel configuration coefficient specifically includes:
the terminal device 430 enters a setting option of the channel configuration, sets a main channel configuration coefficient in the setting option to obtain a target main channel, and sets a standby channel configuration coefficient in the setting option to obtain a target standby channel.
Through the system, the convergence unit 420 configures the target main channel and the target standby channel in the terminal device 430 by issuing the channel configuration instruction, and then the terminal device 430 can select the channel for sending data according to the data type, so as to meet the requirements of different data on real-time performance and safety, and improve the real-time performance and safety of data transmission of the internet of things.
It will be understood by those skilled in the art that all or part of the steps in the methods of the embodiments described above may be implemented by instructions associated with a program, which may be stored in a computer-readable storage medium, where the storage medium includes Read-Only Memory (ROM), Random Access Memory (RAM), Programmable Read-Only Memory (PROM), Erasable Programmable Read-Only Memory (EPROM), One-time Programmable Read-Only Memory (OTPROM), Electrically Erasable Programmable Read-Only Memory (EEPROM), compact disc-Read-Only Memory (CD-ROM), or other Memory, magnetic disk, magnetic tape, or magnetic tape, Or any other medium which can be used to carry or store data and which can be read by a computer.
The above detailed description is made on a communication control method and system based on data type, which are disclosed in the embodiments of the present invention, and the specific examples are applied herein to explain the principle and the implementation of the present invention, and the description of the above embodiments is only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. A method for controlling communication based on data type, comprising:
the edge forwarding node receives a channel configuration instruction issued by the aggregation unit; the channel configuration instruction comprises a device type, a main channel configuration coefficient and a standby channel configuration coefficient, wherein the main channel configuration coefficient is used for configuring a main channel corresponding to an authorized frequency band; the standby channel configuration coefficient is used for configuring a standby channel corresponding to the unlicensed frequency band;
the edge forwarding node sends the main channel configuration coefficient and the standby channel configuration coefficient in the channel configuration instruction to the terminal equipment matched with the equipment type;
the terminal equipment configures a target main channel according to the main channel configuration coefficient and configures a target standby channel according to the standby channel configuration coefficient;
the terminal equipment acquires data to be sent and judges the type of the data to be sent;
when the terminal device determines that the type of the data to be sent is a first type, calling the target main channel to send the data to be sent to the edge forwarding node, so that the edge forwarding node reports the data to be sent to the aggregation unit;
and when the terminal equipment determines that the type of the data to be sent is a second type, calling the target standby channel to send the data to be sent to the edge forwarding node so that the edge forwarding node reports the data to be sent to the aggregation unit.
2. The method according to claim 1, wherein when the terminal device determines that the type of the data to be sent is the first type, and before the terminal device invokes the target main channel to send the data to be sent to the edge forwarding node, the method further comprises:
when the terminal device determines that the type of the data to be sent is a first type, detecting whether the current system time reaches the preset data reporting time;
and when the current system time reaches the preset data reporting time, the terminal equipment executes the step of calling the target main channel to send the data to be sent to the edge forwarding node.
3. The method according to claim 1, wherein when the terminal device determines that the type of the data to be sent is the second type, and before the terminal device invokes the target standby channel to send the data to be sent to the edge forwarding node, the method further comprises:
when the terminal device determines that the type of the data to be sent is a second type, detecting whether the current system time reaches the preset data reporting time;
and when the current system time reaches the preset data reporting time, the terminal equipment executes the step of calling the target standby channel to send the data to be sent to the edge forwarding node.
4. The method of claim 3, wherein before the edge forwarding node receives the channel configuration instruction issued by the aggregation unit, the method further comprises:
the edge forwarding node receives data transmission control information issued by the aggregation unit, wherein the data transmission control information comprises data reporting time and the equipment type;
the edge forwarding node sends the data reporting time in the data transmission control information to the terminal equipment matched with the equipment type;
and the terminal equipment receives and stores the data reporting time.
5. The method according to any one of claims 1 to 4, wherein the terminal device calls the target main channel to send the data to be sent to the edge forwarding node when determining that the type of the data to be sent is a first type, so that the edge forwarding node reports the data to be sent to the aggregation unit, including:
when the terminal device determines that the type of the data to be sent is a first type, obtaining a main channel identifier corresponding to the target main channel, and signing and encrypting the data to be sent by adopting the main channel identifier to obtain a first data packet;
the terminal device calls the target main channel to send the first data packet to the edge forwarding node, so that the edge forwarding node reports the received first data packet to the aggregation unit;
when the terminal device determines that the type of the data to be sent is a second type, the terminal device calls the target standby channel to send the data to be sent to the edge forwarding node, so that the edge forwarding node reports the data to be sent to the aggregation unit, and the method includes:
when the terminal equipment determines that the type of the data to be sent is a second type, acquiring a standby channel identifier corresponding to the target standby channel, and signing and encrypting the data to be sent by adopting the standby channel identifier to obtain a second data packet;
and the terminal equipment calls the target standby channel to send the second data packet to the edge forwarding node, so that the edge forwarding node reports the received second data packet to the aggregation unit.
6. A data type based communication control system, comprising:
the edge forwarding node is used for receiving the channel configuration instruction sent by the aggregation unit; the channel configuration instruction comprises a device type, a main channel configuration coefficient and a standby channel configuration coefficient, wherein the main channel configuration coefficient is used for configuring a main channel corresponding to an authorized frequency band; the standby channel configuration coefficient is used for configuring a standby channel corresponding to the unlicensed frequency band;
the edge forwarding node is further configured to send the main channel configuration coefficient and the standby channel configuration coefficient in the channel configuration instruction to a terminal device matching the device type;
the terminal device is used for configuring a target main channel according to the main channel configuration coefficient and configuring a target standby channel according to the standby channel configuration coefficient;
the terminal equipment is also used for acquiring data to be sent and judging the type of the data to be sent;
the terminal device is further configured to, when determining that the type of the data to be sent is a first type, invoke the target main channel to send the data to be sent to the edge forwarding node, so that the edge forwarding node reports the data to be sent to the aggregation unit;
the terminal device is further configured to, when it is determined that the type of the data to be sent is the second type, invoke the target standby channel to send the data to be sent to the edge forwarding node, so that the edge forwarding node reports the data to be sent to the aggregation unit.
7. The system according to claim 6, wherein the terminal device detects whether the current system time reaches a preset data reporting time when determining that the type of the data to be sent is a first type; and when the current system time reaches the preset data reporting time, executing to call the target main channel to send the data to be sent to the edge forwarding node.
8. The system according to claim 6, wherein the terminal device detects whether the current system time reaches a preset data reporting time when determining that the type of the data to be sent is a second type; and when the current system time reaches the preset data reporting time, calling the target standby channel to send the data to be sent to the edge forwarding node.
9. The system of claim 8, wherein the edge forwarding node is further configured to receive data transmission control information sent by a convergence unit before receiving a channel configuration instruction sent by the convergence unit, where the data transmission control information includes data reporting time and the device type; and sending the data reporting time in the data transmission control information to the terminal equipment matched with the equipment type; and receiving and storing the data reporting time.
10. The system according to any one of claims 6 to 9, wherein the terminal device is further configured to, when determining that the type of the data to be sent is a first type, invoke the target main channel to send the data to be sent to the edge forwarding node, so that a manner for the edge forwarding node to report the data to be sent to the aggregation unit specifically is as follows:
the terminal device is further configured to obtain a main channel identifier corresponding to the target main channel when it is determined that the type of the data to be sent is the first type, and sign and encrypt the data to be sent by using the main channel identifier to obtain a first data packet; calling the target main channel to send the first data packet to the edge forwarding node, so that the edge forwarding node reports the received first data packet to the aggregation unit;
the terminal device is further configured to, when it is determined that the type of the data to be sent is the second type, invoke the target standby channel to send the data to be sent to the edge forwarding node, so that the manner in which the edge forwarding node reports the data to be sent to the aggregation unit specifically is:
the terminal device is further configured to obtain a standby channel identifier corresponding to the target standby channel when it is determined that the type of the data to be sent is a second type, and sign and encrypt the data to be sent by using the standby channel identifier to obtain a second data packet; and calling the target standby channel to send the second data packet to the edge forwarding node, so that the edge forwarding node reports the received second data packet to the aggregation unit.
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| CN108495112B (en) * | 2018-05-10 | 2020-12-22 | Oppo广东移动通信有限公司 | Data transmission method, terminal and computer storage medium |
| CN110519374B (en) * | 2019-08-28 | 2021-09-28 | 西南大学 | Edge computing method of ZigBee networked industrial control system and edge node thereof |
| CN112217740B (en) * | 2020-10-23 | 2022-04-05 | 北京邮电大学 | Request processing method and device based on edge computing network |
| CN112398937A (en) * | 2020-11-06 | 2021-02-23 | 电子科技大学中山学院 | Method and system for controlling communication of terminal equipment of Internet of things |
| CN112566137A (en) * | 2020-12-06 | 2021-03-26 | 广州技象科技有限公司 | Networking method, device, equipment and storage medium according to sending data |
| CN114157669B (en) * | 2021-11-05 | 2024-02-23 | 支付宝(杭州)信息技术有限公司 | Message transmission method and device |
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| CN103200606A (en) * | 2013-03-18 | 2013-07-10 | 东莞宇龙通信科技有限公司 | Terminal and data service processing method |
| CN104506204A (en) * | 2014-12-19 | 2015-04-08 | 苏州大学 | Wireless transmission module for intelligent swimming bracelets |
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