CN114501522A - Center device, communication system, communication method, and computer-readable storage medium - Google Patents
Center device, communication system, communication method, and computer-readable storage medium Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000012544 monitoring process Methods 0.000 claims abstract description 23
- 238000012545 processing Methods 0.000 claims description 26
- 230000005540 biological transmission Effects 0.000 claims description 19
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- 238000004590 computer program Methods 0.000 claims description 4
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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- H—ELECTRICITY
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Abstract
The invention provides a center device, a communication system, a communication method, and a computer-readable storage medium, which can perform efficient communication control for a plurality of communication terminal devices. The center device includes: a communication control unit that communicates with a plurality of communication terminal devices; a storage unit that stores data of past reception amounts from the plurality of communication terminal devices; and a communication amount monitoring unit that determines a past reception amount in a determination period for each of the plurality of communication terminal devices based on the data stored in the storage unit, selects a communication terminal device from the plurality of communication terminal devices in order of the past reception amount in the determination period, and causes the communication control unit to transmit the target data to the selected communication terminal device.
Description
Technical Field
The present disclosure relates to a center device, a communication system, a communication method, and a computer-readable storage medium.
Background
Documents of the prior art
Patent document
Patent document 1: japanese laid-open patent publication No. 2015-026420
Disclosure of Invention
Problems to be solved by the invention
However, in the communication system described in patent document 1, the use state of the communication network is not considered. Therefore, it is not possible to efficiently control communication with respect to a plurality of communication terminal apparatuses.
The present disclosure has been made to solve the above problems. An object of the present invention is to provide a center device, a communication system, a communication method, and a computer-readable storage medium capable of efficiently controlling communication with a plurality of communication terminal devices.
Means for solving the problems
The center device of the present disclosure includes: a communication control unit that communicates with a plurality of communication terminal devices; a storage unit that stores data of past reception amounts from the plurality of communication terminal devices; and a communication amount monitoring unit that determines a past reception amount in a determination period for each of the plurality of communication terminal devices based on the data stored in the storage unit, selects a communication terminal device from the plurality of communication terminal devices in order of the past reception amount in the determination period, and causes the communication control unit to transmit the target data to the selected communication terminal device.
The communication system of the present disclosure includes: a plurality of communication terminal devices; and a center device that determines a past reception amount in a determination period for each of the plurality of communication terminal devices based on data of the past reception amount from each of the plurality of communication terminal devices, selects a communication terminal device from the plurality of communication terminal devices in order of the past reception amount in the determination period, and transmits target data to the selected communication terminal device.
The disclosed communication method is provided with: a storage step in which a processing circuit stores data of past reception amounts from respective communication terminal apparatuses of a plurality of communication terminal apparatuses; a determination step in which, after the storage step, the processing circuit determines, for each of the plurality of communication terminal devices, a past reception amount within a determination period; a selection step in which, after the determination step, the processing circuit selects a communication terminal device from the plurality of communication terminal devices in order of decreasing past reception amounts in the determination period; and a transmission step of, after the selection step, transmitting the object data to the selected communication terminal apparatus by the processing circuit.
The computer-readable storage medium of the present disclosure stores a computer program, and when the computer program is executed by a processor, the computer program executes the steps of: a storage step of storing data of past reception amounts from each of a plurality of communication terminal apparatuses; a determination step of determining, for each of the plurality of communication terminal devices, a past reception amount within a determination period after the storage step is realized; a selection step of selecting a communication terminal device from the plurality of communication terminal devices in order of decreasing past reception amounts in the determination period after the determination step is implemented; and a transmission step of transmitting the object data to the selected communication terminal device after the selection step is implemented.
ADVANTAGEOUS EFFECTS OF INVENTION
According to the present disclosure, a communication terminal device is selected from the plurality of communication terminal devices in order of decreasing past reception amounts within a determination period. And transmitting the object data to the selected communication terminal device. Therefore, it is possible to efficiently perform communication control for a plurality of communication terminal apparatuses.
Drawings
Fig. 1 is a configuration diagram of a communication system according to embodiment 1.
Fig. 2 is a database stored in the center device of the communication system according to embodiment 1.
Fig. 3 is a flowchart for explaining an operation of the center device of the communication system according to embodiment 1.
Fig. 4 is a flowchart for explaining an operation of the center device of the communication system according to embodiment 1.
Fig. 5 is a hardware configuration diagram of a center device of the communication system according to embodiment 1.
Description of the reference symbols
The system comprises a communication terminal device 1, a center device 2, a storage unit 2a, a communication control unit 2b, a traffic calculation unit 2c, an input/output control unit 2d, a traffic monitoring unit 2e, a communication network 3, a processor 100a, a memory 100b and hardware 200.
Detailed Description
Embodiments are described with reference to the accompanying drawings. In the drawings, the same or corresponding portions are denoted by the same reference numerals. Repeated explanation of this portion is appropriately simplified or omitted.
Fig. 1 is a configuration diagram of a communication system according to embodiment 1.
In fig. 1, a plurality of communication terminal apparatuses 1 are installed in buildings to be monitored. The center device 2 is installed in a management center that manages a building to be monitored. The communication network 3 is connected to a plurality of communication terminal apparatuses 1 and a center apparatus 2.
The plurality of communication terminal apparatuses 1 monitor the abnormality of the equipment of the building. When detecting an abnormality or the like of the device, each of the plurality of communication terminals notifies the abnormality via the communication network 3.
In the management center, when the center apparatus 2 receives a notification such as an abnormality of the equipment, the operator dispatches maintenance personnel of the equipment to the building. When the operator needs to update the program for the plurality of communication terminal apparatuses 1, the operator operates the center apparatus 2 so as to transmit data of the program for update to the communication terminal apparatus 1 as target data.
For example, the center device 2 includes a storage unit 2a, a communication control unit 2b, a communication amount calculation unit 2c, an input/output control unit 2d, and a communication amount monitoring unit 2 e.
The storage section 2a is provided to be able to store data.
The communication control unit 2b is provided to be able to communicate with a plurality of communication terminal apparatuses 1. For example, each time the communication control unit 2b receives the abnormal data from the communication terminal device 1, the abnormal data is stored in the storage unit 2 a.
The traffic amount calculation unit 2c specifies the communication terminal device 1 based on the abnormal data, and calculates the traffic amount of the abnormal data. The communication volume calculating unit 2c stores the identification data of the communication terminal device 1 and the data of the communication volume of the abnormal data in association with each other as the data of the calculation result in the storage unit 2 a.
The input/output control unit 2d monitors the storage unit 2 a. When the abnormal data is stored in the storage unit 2a, the input/output control unit 2d notifies the operator of the abnormality corresponding to the abnormal data by performing display control, voice control, and the like according to the content corresponding to the abnormal data.
The input/output control unit 2d stores, in the storage unit 2a, data of a "traffic volume threshold" indicating a traffic volume for which the communication network 3 can be used without adding a fee for a "preset period of time", by an operation of an operator. When the program needs to be updated for a plurality of communication terminal apparatuses 1, the input/output control unit 2d sets the data of the program for updating as the target data by the operation of the operator. The input/output control unit 2d stores the target data in the storage unit 2a in association with data indicating the size of the target data.
The traffic monitoring unit 2e acquires various data from the storage unit 2 a. The traffic monitoring unit 2e determines whether or not it is necessary to transmit the target data to the plurality of communication terminal apparatuses 1 at a predetermined timing. When it is necessary to transmit target data to a plurality of communication devices, the traffic monitoring unit 2e determines the past reception amount in the determination period for each of the plurality of communication terminal devices 1 based on the data stored in the storage unit 2 a. The traffic monitoring unit 2e selects the communication terminal device 1 from the plurality of communication terminal devices 1 in the order of decreasing the past reception amount in the determination period. The communication amount monitoring unit 2e causes the communication control unit 2b to transmit the target data to the selected communication terminal device 1.
Next, management of transmission of object data will be described with reference to fig. 2.
Fig. 2 is a database stored in the center device of the communication system according to embodiment 1.
As shown in fig. 2, the storage unit 2a stores data such as "communication terminal apparatus", "communication amount used for abnormality notification", "order of use frequency", and "transmission completed".
The "communication terminal apparatus" is identification data of the communication terminal apparatus 1.
The "traffic used in the abnormality notification" is data indicating the amount of abnormal data transmitted by the communication terminal apparatus 1. "month 4" is data indicating the amount of abnormal data sent in month 4. "month 5" is data indicating the amount of abnormal data sent in month 5. "average" is data indicating an average of "4 months" and "5 months".
For example, in the communication terminal device 1 of "No 1," month 4 "is" 10 ". "month 5" is "40". The "average" is "25". For example, in the communication terminal device 1 of "No 2," month 4 "is" 10 ". "month 5" is "20". The "average" is "15". For example, in the communication terminal device 1 of "No 3," month 4 "is" 20 ". "month 5" is "20". The "average" is "20". For example, in the communication terminal device 1 of "No 4," month 4 "is" 20 ". "month 5" is "10". The "average" is "15".
For example, in the communication terminal device 1 of "No 5," month 4 "is" 30 ". "month 5" is "30". The "average" is "30". For example, in the communication terminal device 1 of "No 6," month 4 "is" 30 ". "month 5" is "50". The "average" is "40". For example, in the communication terminal device 1 of "No 7", the "month 4" is "40". "month 5" is "20". The "average" is "30". For example, in the communication terminal device 1 of "No 8," month 4 "is" 40 ". "month 5" is "10". The "average" is "25".
The "order of use frequency" is data indicating priority given in the order of "average" as the use frequency from large to small.
For example, in the communication terminal device 1 of "No 1", the "usage frequency order" is "3". For example, in the communication terminal device 1 of "No 2", the "usage frequency order" is "5". For example, in the communication terminal device 1 of "No 3", the "usage frequency order" is "4". For example, in the communication terminal device 1 of "No 4", the "usage frequency order" is "5".
For example, in the communication terminal device 1 of "No 5", the "usage frequency order" is "2". For example, in the communication terminal apparatus 1 of "No 6", the "usage frequency order" is "1". For example, in the communication terminal device 1 of "No 7", the "usage frequency order" is "2". For example, in the communication terminal device 1 of "No 8", the "usage frequency order" is "3".
The "transmission completion" is identification data indicating whether or not the target data is completely transmitted to the communication terminal apparatus 1.
For example, in the communication terminal apparatus 1 of "No 1", the "transmission completed" is "completed". For example, in the communication terminal apparatus 1 of "No 2", the "transmission completion" is null. For example, in the communication terminal apparatus 1 of "No 3", the "transmission completed" is "completed". For example, in the communication terminal apparatus 1 of "No 4", the "transmission completion" is null.
For example, in the communication terminal apparatus 1 of "No 5", the "transmission completed" is "completed". For example, in the communication terminal apparatus 1 of "No 6", the "transmission completed" is "completed". For example, in the communication terminal apparatus 1 of "No 7", the "transmission completed" is "completed". For example, in the communication terminal apparatus 1 of "No 8", the "transmission completed" is "completed".
The "predetermined period" is "1 month" with respect to the communication volume that can use the communication network 3 without adding a fee. The "traffic threshold" is "1000". The size of the object data is "150".
The traffic monitoring unit 2e calculates "1000"/"150". "1000"/"150" is larger than 6 and smaller than 7. In this case, the communication traffic monitoring unit 2e sets the number of communication terminal devices 1 capable of transmitting the target data to 6.
The traffic monitoring unit 2e selects 6 communication terminal devices 1 in the order of "order of use frequency" from small to large. Specifically, the traffic monitoring unit 2e selects 6 communication terminal devices 1 in the order of "No 6", "No 5", "No 7", "No 1", "No 8", and "No 3".
The communication amount monitoring unit 2e causes the communication control unit 2b to transmit the target data to the communication terminal apparatuses 1 of "No 6", "No 5", "No 7", "No 1", "No 8", and "No 3".
The traffic monitoring unit 2e causes the storage unit 2a to store "transmission completed" in "No 6", "No 5", "No 7", "No 1", "No 8", and "No 3" of the communication terminal apparatus 1.
At the timing of the next month, the traffic monitoring unit 2e selects the communication terminal devices 1 in the order of "usage frequency order" from the communication terminal devices 1 whose "transmission completion" is empty. Specifically, the traffic monitoring unit 2e selects the communication terminal apparatus 1 of "No 2" or "No 4".
The traffic monitoring unit 2e causes the communication control unit 2b to transmit the target data to the communication terminal apparatuses 1 of "No 2" and "No 4".
The traffic monitoring unit 2e causes the storage unit 2a to store "completed" in "transmission completed" of the communication terminal apparatus 1 of "No 2" and "No 4".
Next, the operation of the center device 2 will be described with reference to fig. 3 and 4.
Fig. 3 and 4 are flowcharts for explaining the operation of the center device of the communication system according to embodiment 1.
In step S1, the center device 2 determines whether it is necessary to transmit the target data to the plurality of communication devices.
If the target data does not need to be transmitted to the plurality of communication apparatuses in step S1, the center apparatus 2 ends the operation.
When the target data needs to be transmitted to the plurality of communication apparatuses in step S1, the center apparatus 2 performs the operation of step S2. In step S2, the center device 2 calculates the frequency of use of each of the plurality of communication terminal devices 1 from the "traffic volume used for the abnormality notification" of each of the plurality of communication terminal devices 1.
After that, the center device 2 performs the operation of step S3. In step S3, the center device 2 calculates the number of communication terminals that can transmit the object data without adding a fee for a predetermined period of time, based on the "traffic threshold" and the size of the object data. After that, the center device 2 performs the operation of step S4. In step S4, the center device 2 determines whether or not the processing for all the communication terminal devices 1 has ended.
If the process for any of the communication terminal apparatuses 1 is not completed in step S4, the center apparatus 2 performs the operation of step S5. In step S5, the center device 2 determines whether or not the target data has been transmitted to the communication terminal device 1 that is most frequently used among the communication terminal devices 1 whose processing has not been completed.
When the target data is not transmitted to the communication terminal device 1 in step S5, the center device 2 performs the operation of step S6. In step S6, the center device 2 selects the communication terminal device 1 as the "transmission destination communication terminal device".
Thereafter, the center device 2 performs the operation of step S7. In step S7, the center device 2 reduces the number of communication terminal devices 1 capable of transmitting the target data by 1. After that, the center device 2 performs the operation of step S8. In step S8, the center device 2 determines whether or not the number of communication terminal devices 1 capable of transmitting the target data is 0.
When the target data has been transmitted to the communication terminal device 1 in step S5 or when the number of communication terminal devices 1 capable of transmitting the target data is not 0 in step S8, the center device 2 performs the operation of step S9. In step S9, the center device 2 selects the communication terminal device 1 that is used the second highest in frequency among the communication terminal devices 1 whose processing has not been completed.
When the number of communication terminal apparatuses 1 capable of transmitting the object data is 0 in step S8, the center apparatus 2 performs the operation of step S10. In step S10, the center device 2 transmits the target data to the communication terminal device 1 selected as the "destination communication terminal device". After that, the center device 2 performs the operation of step S11. In step S11, the center apparatus 2 stores the identification data of the communication terminal apparatus 1 that transmitted the object data. After that, the center device 2 ends the operation.
When the processing for all the communication terminal apparatuses 1 is ended in step S4, the center apparatus 2 performs the operation of step S12. In step S12, the center device 2 determines whether or not there is a communication terminal device 1 selected as the "destination communication terminal device".
If there is no communication terminal device 1 selected as the "destination communication terminal device" in step S12, the center device 2 ends the operation.
If there is a communication terminal device 1 selected as the "destination communication terminal device" in step S12, the center device 2 performs the operations of step S10 and step S11, and then ends the operation.
According to embodiment 1 described above, the center device 2 selects the communication terminal device 1 from the plurality of communication terminal devices 1 in the order of decreasing the past reception amount in the determination period, and transmits the target data. Therefore, it is possible to efficiently perform communication control for the plurality of communication terminal apparatuses 1.
The center device 2 selects the communication terminal device 1 so that the communication volume when the target data is transmitted does not exceed a predetermined volume. Therefore, even when there is a restriction on the communication amount, it is possible to efficiently perform communication control for the plurality of communication terminal apparatuses 1.
Next, an example of the center device 2 will be described with reference to fig. 5.
Fig. 5 is a hardware configuration diagram of a center device of the communication system according to embodiment 1.
Each function of the center device 2 can be realized by a processing circuit. For example, the processing circuit is provided with at least 1 processor 100a and at least 1 memory 100 b. For example, the processing circuit includes at least 1 dedicated hardware 200.
In the case where the processing circuit includes at least 1 processor 100a and at least 1 memory 100b, each function of the center device 2 is realized by software, firmware, or a combination of software and firmware. At least one of the software and the firmware is described as a program. At least one of the software and the firmware is stored in at least 1 memory 100 b. The at least 1 processor 100a realizes each function of the center device 2 by reading out and executing the program stored in the at least 1 memory 100 b. The at least one processor 100a is also referred to as a central processing unit, a processing unit, an arithmetic unit, a microprocessor, a microcomputer, or a DSP. For example, at least 1 memory 100b is a nonvolatile or volatile semiconductor memory such as RAM, ROM, flash memory, EPROM, EEPROM, or the like, a magnetic disk, a flexible disk, an optical disk, a compact disk, a mini disk, a DVD, or the like.
In case the processing circuit is provided with at least 1 dedicated hardware 200, the processing circuit is for example realized by a single circuit, a complex circuit, a programmed processor, a parallel programmed processor, an ASIC, an FPGA, or a combination thereof. For example, each function of the center device 2 is realized by a processing circuit. For example, the respective functions of the center device 2 are collectively realized by the processing circuit.
The functions of the center apparatus 2 may be implemented partially by dedicated hardware 200 and partially by software or firmware. For example, the function of the traffic monitoring unit 2e may be realized by a processing circuit as dedicated hardware 200, and the functions other than the function of the traffic monitoring unit 2e may be realized by at least 1 processor 100a reading and executing a program stored in at least 1 memory 100 b.
In this way, the processing circuit realizes each function of the center apparatus 2 by hardware 200, software, firmware, or a combination thereof.
The respective functions of the communication terminal apparatus 1 may be realized by a processing circuit equivalent to a processing circuit for realizing the respective functions of the center apparatus 2, which is not shown.
Claims (5)
1. A center device, wherein,
the center device includes:
a communication control unit that communicates with a plurality of communication terminal devices;
a storage unit that stores data of past reception amounts from the plurality of communication terminal devices; and
and a communication amount monitoring unit that determines a past reception amount in a determination period for each of the plurality of communication terminal devices based on the data stored in the storage unit, selects a communication terminal device from the plurality of communication terminal devices in order of the past reception amount in the determination period, and causes the communication control unit to transmit the target data to the selected communication terminal device.
2. The center device according to claim 1,
the communication traffic monitoring unit selects a communication terminal device so that the amount of communication traffic when the target data is transmitted does not exceed a preset amount.
3. A communication system in which, in a communication system,
the communication system includes:
a plurality of communication terminal devices; and
and a center device that determines a past reception amount in a determination period for each of the plurality of communication terminal devices based on data of the past reception amount from each of the plurality of communication terminal devices, selects a communication terminal device from the plurality of communication terminal devices in order of the past reception amount in the determination period, and transmits target data to the selected communication terminal device.
4. A method of communication, wherein,
the communication method includes:
a storage step in which a processing circuit stores data of past reception amounts from respective communication terminal apparatuses of a plurality of communication terminal apparatuses;
a determination step in which, after the storage step, the processing circuit determines, for each of the plurality of communication terminal devices, a past reception amount within a determination period;
a selection step in which, after the determination step, the processing circuit selects a communication terminal device from the plurality of communication terminal devices in order of decreasing past reception amounts in the determination period; and
a transmission step of, after the selection step, transmitting the object data to the selected communication terminal apparatus by the processing circuit.
5. A computer-readable storage medium storing a computer program which, when executed by a processor, performs the steps of:
a storage step of storing data of past reception amounts from each of a plurality of communication terminal apparatuses;
a determination step of determining, for each of the plurality of communication terminal devices, a past reception amount within a determination period after the storage step is realized;
a selection step of selecting a communication terminal device from the plurality of communication terminal devices in order of decreasing past reception amounts in the determination period after the determination step is implemented; and
and a transmission step of transmitting the target data to the selected communication terminal device after the selection step is implemented.
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| JP2020179491A JP7081645B2 (en) | 2020-10-27 | 2020-10-27 | Center equipment, communication system, communication method, program |
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| JP2022070429A (en) | 2022-05-13 |
| JP7081645B2 (en) | 2022-06-07 |
| CN114501522B (en) | 2024-03-01 |
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