CN108601009A - A kind of one-to-many, reducing power consumption, quick wireless device connection method and system - Google Patents
A kind of one-to-many, reducing power consumption, quick wireless device connection method and system Download PDFInfo
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- CN108601009A CN108601009A CN201810428177.XA CN201810428177A CN108601009A CN 108601009 A CN108601009 A CN 108601009A CN 201810428177 A CN201810428177 A CN 201810428177A CN 108601009 A CN108601009 A CN 108601009A
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000012544 monitoring process Methods 0.000 claims abstract description 28
- 238000004891 communication Methods 0.000 claims description 16
- 238000004590 computer program Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 8
- 230000009467 reduction Effects 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/10—Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
- H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/14—Direct-mode setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/005—Discovery of network devices, e.g. terminals
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Databases & Information Systems (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of one-to-many, reducing power consumption, quick wireless device connection method and system, including wireless terminal device, intelligent gateway device and its between connection strategy, wireless terminal device arrived reduction power consumption by increasing broadcast time interval.Wireless intelligent gateway receives administration order or the information of arbitrary wireless management system, includes the management to terminal device and mark.Simultaneously also can monitoring wireless terminal device in real time broadcast message, it recorded, stored and is identified, the process of wireless connection is split analysis, remove the scanning process in each connection procedure of wireless device, avoid the phenomenon that the Connection Time of the broadcast interval time influence because of wireless terminal device is long, shorten the Connection Time between wireless device, to reach the quick connection of the low-power consumption and terminal device and wireless intelligent gateway equipment of wireless terminal device.
Description
Technical Field
The invention relates to the technical field of wireless data transmission, in particular to a one-to-many quick wireless device connection method and a power consumption design method of a system.
Background
In the wireless device in the prior art, the connection scheme between the gateway and the terminal device is as follows: the first step is as follows: searching for a device to be connected; the second step is that: connecting the searched equipment; the third step: and exchanging data and disconnecting the connection.
In the field of wireless data transmission, low power consumption of terminal equipment is required, but when data of the terminal equipment is collected quickly, the low power consumption of the terminal equipment and the quick connection requirement of a gateway are in a confrontation relationship.
The low power consumption of the terminal device has a large relationship with its broadcast interval, which cannot be adjusted too short if the terminal device needs low power consumption.
The connection speed of the gateway is related to the time for the gateway to search for the terminal device, and if the broadcast interval of the terminal device is too large, it takes a long time to search for the device in a multi-device environment.
Therefore, in the connection between the gateway and a plurality of terminal devices, if the terminal devices are required to have low power consumption, the connection speed of the gateway is sacrificed; if the connection speed of the gateway is required, the power consumption of the terminal equipment is sacrificed.
Disclosure of Invention
The invention aims to provide a one-to-many quick wireless device connection method and system with reduced power consumption, which are used for considering both the low power consumption of a terminal device and the connection speed of a gateway device.
To achieve the above object, a first aspect of the present invention provides a one-to-many, power consumption-reduced, fast wireless device connection method.
The method comprises the following steps: wireless terminal devices, intelligent gateway devices and connection strategies between them, wireless terminal devices have reached a reduction in power consumption by increasing the broadcast time interval. The wireless intelligent gateway receives management commands or information of any wireless management system, including management and identification of terminal equipment. Meanwhile, the gateway can monitor the broadcast information of the wireless terminal equipment in real time, record, store and identify, the gateway can manage the terminal equipment according to certain time parameters to monitor the terminal equipment, the existence of each terminal equipment in a time segment is recorded, the gateway can split and analyze the process of wireless connection, the scanning flow in the connection process of the wireless equipment at each time is removed, and the phenomenon of overlong connection time caused by the influence of the broadcast interval time of the wireless terminal equipment is avoided.
With reference to the first aspect, in a first possible implementation manner of the first aspect, the management command or the device information includes management and information of multiple devices, and may be used for controlling connection requirements and behavior instructions of a gateway device and any terminal device in the system; wherein the gateway monitors that the time of broadcasting of the connectable terminal device satisfies a time threshold; the time threshold may be set according to a usage scenario of the system and a broadcast interval of the terminal device.
With reference to the first aspect, in a second possible implementation manner of the first aspect, the gateway is a Bluetooth Low Energy (BLE) gateway.
A second aspect of the present invention provides a gateway, comprising: the device comprises a communication unit, a monitoring unit and a determining unit; the communication unit is used for receiving management commands or information of any wireless management system; the management command and the information comprise management instructions of searching, connecting, disconnecting, communicating and the like of the gateway and information of addresses, equipment types, equipment groups and the like of connected terminal equipment; the communication unit is also used for connecting the terminal equipment corresponding to the terminal equipment identifier according to the terminal equipment information when the connectable terminal equipment information comprises the terminal equipment information corresponding to the terminal equipment identifier; the monitoring unit is used for monitoring terminal equipment broadcast, and the determining unit is used for determining the connectable terminal equipment information according to the monitoring result of the monitoring unit.
With reference to the second aspect, in a first possible implementation manner of the second aspect, the gateway further includes a setting unit, configured to set parameters and connections in the gateway; the monitoring unit monitors that the broadcast time of the connectable terminal equipment meets a certain time threshold; the time threshold is set by the setting unit according to the use scene and the broadcast interval of the terminal device.
With reference to the second aspect, in a second possible implementation manner of the second aspect, the gateway is a Bluetooth Low Energy (BLE) gateway.
A third aspect of the invention provides a gateway comprising a communication interface, a processor and a memory; the communication interface is used for receiving terminal equipment connection information; the terminal equipment connection information comprises a terminal equipment identifier; the communication interface is further used for connecting the terminal equipment corresponding to the terminal equipment identifier according to the terminal equipment information when the connectable terminal equipment information comprises the terminal equipment information corresponding to the terminal equipment identifier; the connectable terminal equipment information is information determined by the processor through monitoring terminal equipment broadcast.
With reference to the third aspect, in a first possible implementation manner of the third aspect, the gateway includes an I/O system; the connectable terminal device information includes terminal device information of a plurality of connectable terminal devices; wherein the processing unit monitors that the time of the broadcast of the connectable terminal device satisfies a time threshold; the time threshold is set by the I/O system according to the longest broadcast interval of the terminal device.
A fourth method of the invention provides a computer program product for causing a computer to perform the method of the first aspect when the computer program product is run on the computer.
The invention has the following advantages: the invention can be applied to one-to-many wireless connection scenes, is suitable for ad hoc network scenes in the age of BLE Internet of things, and can be used for monitoring the broadcast of a plurality of terminal devices in real time by the gateway to obtain the information of one or more connectable terminal devices.
Drawings
Fig. 1 is an application architecture diagram of a one-to-many fast wireless device connection method according to an embodiment of the present invention.
Fig. 2 is a flowchart of a one-to-many fast wireless device connection method according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of a gateway structure according to an embodiment of the present invention.
Detailed Description
The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
An application architecture of a one-to-many fast wireless device connection method according to an embodiment of the present invention is described with reference to fig. 1.
As shown in fig. 1, an application architecture of a one-to-many, power consumption reduction, and fast wireless device connection method provided by the embodiment of the present invention includes:
wireless device management systems such as Personal Computers (PCs), cloud platforms, servers, and the like;
a wireless/wired connection control bus;
an intelligent wireless gateway device, such as a Bluetooth Low Energy (BLE) gateway;
n wireless terminal devices, namely a wireless terminal device 1 to a wireless terminal device N, wherein N is a positive integer > 1.
The wireless terminal device may be a mobile phone (mobile phone), a tablet computer (Pad), a computer with wireless transceiving function, a Virtual Reality (VR) terminal device, an Augmented Reality (AR) terminal device, a wireless terminal device in industrial control (industrial control), a wireless terminal device in unmanned driving (self driving), a wireless terminal device in remote medical treatment (remote medical), a wireless terminal device in smart grid (smart grid), a wireless terminal device in transportation safety (transportation safety), a wireless terminal device in smart city (smart city), a wireless terminal device in smart home (smart home), and so on. The embodiment of the invention does not limit the application scenarios.
It should be noted that, in the embodiment of the present invention, the intelligent wireless gateway device may also be referred to as a gateway or a wireless gateway or an intelligent gateway; a wireless terminal device may also be referred to as a terminal device or terminal.
A specific application scenario of the one-to-many, power consumption-reduced, fast wireless device connection method provided by the embodiment of the present invention is described next.
In an internet of things indoor wireless ad hoc network monitoring system, a central gateway is required to be continuously connected with indoor wireless equipment; the indoor wireless equipment can be a temperature acquisition sensor, a humidity acquisition sensor, a CO2 acquisition sensor, wearable equipment, intelligent household equipment and the like, and is used for realizing real-time data acquisition of the cloud platform.
The one-to-many quick wireless device connection method provided by the embodiment of the invention can realize the control of the wireless device at any time, and can quickly connect the device, collect the device data and exchange the data when the low power consumption (the low broadcast period of the wireless device) of the terminal device is reached.
Example 1
In this embodiment, a design concept of a one-to-many, power consumption reduction, and fast wireless device connection method provided by the present invention is described.
The gateway is divided into two threads, namely a thread one and a thread two, and the gateway runs.
The first thread is used for scanning the terminal equipment in real time, namely monitoring the broadcast of the terminal equipment. It should be noted that the monitoring of the broadcast of the terminal device by the thread one is specifically that the broadcast of the terminal device is continuously monitored from the time the gateway is turned on or the user sets the real-time scanning terminal device, no matter whether the gateway has a task of connecting the terminal device or not.
The first thread scans terminal broadcast in real time to obtain broadcast information of terminal equipment, wherein the broadcast information comprises the terminal equipment information and can be stored in a variant linked list, and the terminal equipment information stored in the variant linked list can comprise a terminal equipment identifier, a network address of the terminal equipment and the like; the terminal device identifier may be a MAC address, a UUID, or other information for identifying the terminal device. The information of all connectable terminal devices stored in the variant linked list is referred to as connectable terminal device information. The connectable terminal device information includes information of each connectable terminal device.
The variant linked list is used for realizing dynamic allocation and management of a memory, monitoring and alarming of the memory and the like.
The first thread is also used for time identification and management of terminal equipment in the variant linked list, and automatic overtime release (overtime parameter setting and self-adjustment according to the use environment) of equipment which is not scanned for a long time is realized. In one example, a time threshold may be set, and when the broadcast of the terminal device is not monitored again after the time threshold is exceeded, the information of the terminal device is deleted from the variant linked list. The user may set the time threshold, specifically, the time threshold is set according to the environment where the gateway is located and the longest broadcast interval of the terminal device. It should be noted that the longest broadcast interval of the terminal device refers to the broadcast interval of the terminal device with the longest broadcast interval among the terminal devices in the environment where the gateway is located.
For example, it may be assumed that the set time threshold is 5 minutes, and at the first time, the thread one monitors the broadcast of the terminal device a, and puts the information of the terminal device a into the variant linked list; if the broadcast of the terminal equipment A is monitored again within the time period less than or equal to 5 minutes from the first moment, the information of the terminal equipment A is continuously reserved in the variant linked list; if, from the first time, the broadcast of the a-terminal device is not monitored again after 5 minutes, the information of the a-terminal device is deleted from the variant link list.
The length of time that the gateway hears the broadcast is also referred to as the gateway search connection time. Generally, the correspondence between the period of time that the BLE gateway monitors the broadcast of the BLE bluetooth device and the broadcast interval of the BLE bluetooth device is as follows:
1, broadcasting interval of BLE Bluetooth equipment: 200ms, gateway search connection time: about 1S.
2, broadcasting interval of BLE Bluetooth equipment: 2000ms, gateway search connection time: about 3S.
3, broadcasting interval of BLE Bluetooth equipment: 5000ms, gateway search connection time: about 8S.
Assuming that the longest broadcast interval of BLE bluetooth equipment in an environment where a certain gateway is located is 5000ms, a time threshold may be set according to 8S; the set time threshold is more than or equal to 8S, preferably five times and more than 8S; the user can optimize and adjust the time threshold according to the use scene and the number of the devices needing to be monitored.
Compared with the connection in the prior art introduced in the background of the invention, the connection in the prior art only needs the second step and the third step, omits the time-consuming first step, and the first step is also the step of opposing the low power consumption of the terminal equipment.
Generally, the influence of the broadcast interval of the BLE bluetooth device on the power consumption of the BLE bluetooth device is as follows:
1, broadcasting interval of BLE Bluetooth equipment: 200ms, BLE Bluetooth device power consumption: about 1ma \ H;
2, broadcasting interval of BLE Bluetooth equipment: 2000ms, BLE bluetooth device power consumption: 200: about mua \ H;
3, broadcasting interval of BLE Bluetooth equipment: 5000ms, BLE Bluetooth device power consumption: 30: mu a \ H or so.
In the invention, during the use process of the BLE Bluetooth device, the BLE Bluetooth device can select the broadcasting interval with the largest interval. The data show that the method can greatly reduce the power consumption of BLE Bluetooth equipment, accelerate the connection speed of the gateway and be more obvious under the condition of connecting a plurality of pieces of equipment.
Example 2
In this embodiment, a one-to-many fast wireless device connection method with reduced power consumption according to an embodiment of the present invention is described with reference to fig. 2. The one-to-many fast wireless device connection method is shown as being performed by a gateway, as shown in fig. 2, and includes the following steps.
Step 21, the gateway receives the connection information of the terminal device; the terminal device connection information includes a terminal device identification.
The terminal device connection information is a management command or information of any wireless management system, wherein the management command and information include management instructions for searching, connecting, disconnecting, communicating and the like by the gateway, and the address, device type and device group information of the connected terminal device, including the terminal device identifier of the terminal device to be connected. The terminal device identification is information capable of identifying the terminal device.
Step 22, when the connectable terminal device information includes the terminal device information corresponding to the terminal device identifier, the gateway connects the terminal device corresponding to the terminal device identifier according to the terminal device information; the connectable terminal device information is information determined by the gateway through monitoring terminal device broadcast.
When the terminal device information of the terminal device is included in the connectable terminal device information, it is indicated that the terminal device is in a connectable state, and the gateway can directly connect the terminal device without searching for the terminal device.
In one example, the connectable terminal device information includes a plurality of connectable terminal device information; wherein the time for which the gateway monitors the broadcast of the connectable terminal device satisfies a time threshold; the time threshold is set according to the longest broadcast interval of the terminal device.
In one example, the gateway is a Bluetooth Low Energy (BLE) gateway.
This embodiment can be implemented by referring to the content of embodiment 1, which is not described herein again.
The embodiment has the following advantages: the gateway monitors the terminal equipment broadcast in real time to obtain the information of the connectable terminal equipment, and when the gateway needs to be connected with the terminal equipment, the gateway can be directly connected with the terminal equipment, so that the gateway can be quickly connected with the terminal equipment under the condition of low power consumption of the terminal equipment.
Example 3
The present embodiment provides a gateway 3, as shown in fig. 3, where the gateway 3 includes: a communication unit 31, a listening unit 32, a setting unit 33 and a determination unit 34.
The communication unit 31 is used for receiving management commands or information of any wireless management system; the management command or information comprises a terminal equipment identifier; the communication unit 31 is further configured to connect, when the connectable terminal device information includes terminal device information corresponding to the terminal device identifier, a terminal device corresponding to the terminal device identifier according to the terminal device information; the connectable terminal device information is information obtained by the monitoring unit 32 through monitoring terminal device broadcasting.
In one example, the gateway 3 further comprises a setting unit 33; the connectable terminal device information includes terminal device information of a plurality of connectable terminal devices; wherein, the time for which the monitoring unit 32 monitors the broadcast of the connectable terminal device satisfies a time threshold; the time threshold is set by the setting unit 33 according to the longest broadcast interval of the terminal device.
The gateway 3 further comprises a determination unit 34, which is required to determine the performability of connection for determining whether the terminal device is connectable when the gateway is connected to the terminal device, the determination unit 34 evaluating and verifying the connectability of the terminal device based on the information received by the communication unit 31, the stored information of the listening unit 32, and the setting parameters of the setting unit 33.
The monitoring unit 32 is configured to monitor terminal device broadcasts, and the determining unit 34 is configured to determine the connectable terminal device information according to a monitoring result of the monitoring unit 32.
In one example, the gateway 3 is a bluetooth low energy BLE gateway.
The gateway 3 provided in this embodiment may also be implemented by referring to the content of embodiment 1 and the content of embodiment 2, which is not described herein again.
The embodiment has the following advantages: the gateway monitors the terminal equipment broadcast in real time to obtain the information of the connectable terminal equipment, and when the gateway needs to be connected with the terminal equipment, the gateway can be directly connected with the terminal equipment, so that the gateway can be quickly connected with the terminal equipment under the condition of low power consumption of the terminal equipment.
It is understood that the processor in the embodiments of the present invention may be a Central Processing Unit (CPU), other general purpose processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, a transistor logic device, a hardware component, or any combination thereof. The general purpose processor may be a microprocessor, but may be any conventional processor.
A software module may be stored in Random Access Memory (RAM), flash Memory, Read-Only Memory (ROM), Programmable ROM (PROM), Erasable PROM (EPROM), Electrically EPROM (EEPROM), registers, a hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
It is to be understood that the various numerical references referred to in the embodiments of the present invention are merely for convenience of description and distinction and are not intended to limit the scope of the embodiments of the present application.
It should be understood that, in the embodiment of the present invention, the sequence numbers of the above-mentioned processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiment of the present application.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (9)
1. A one-to-many, reduced power consumption, fast wireless device connection method, the method comprising:
the gateway receives the connection information of the terminal equipment; the terminal equipment connection information comprises a terminal equipment identifier;
when the connectable terminal equipment information comprises terminal equipment information corresponding to the terminal equipment identifier, the gateway connects the terminal equipment corresponding to the terminal equipment identifier according to the terminal equipment information;
the connectable terminal device information is information determined by the gateway through monitoring terminal device broadcast.
2. The method according to claim 1, wherein the connectable terminal device information includes terminal device information of a plurality of connectable terminal devices; wherein,
the gateway monitors that the broadcast time of the connectable terminal equipment meets a time threshold; the time threshold is set according to the terminal device usage scenario and the broadcast interval.
3. The method of claim 1, wherein the gateway is a Bluetooth Low Energy (BLE) gateway.
4. A gateway, characterized in that the gateway comprises: the device comprises a communication unit, a monitoring unit and a determining unit;
the communication unit is used for receiving the connection information of the terminal equipment; the terminal equipment connection information comprises a terminal equipment identifier;
the communication unit is further used for connecting the terminal equipment corresponding to the terminal equipment identifier according to the terminal equipment information when the connectable terminal equipment information comprises the terminal equipment information corresponding to the terminal equipment identifier;
the monitoring unit is used for monitoring terminal equipment broadcast, and the determining unit is used for determining the connectable terminal equipment information according to the monitoring result of the monitoring unit.
5. The gateway according to claim 4, further comprising a setup unit;
the connectable terminal device information includes terminal device information of a plurality of connectable terminal devices; wherein,
the monitoring unit monitors that the broadcast time of the connectable terminal equipment meets a time threshold; the time threshold is set by the setting unit according to the terminal device usage scenario and the broadcast interval.
6. The gateway of claim 4, wherein the gateway is a Bluetooth Low Energy (BLE) gateway.
7. A gateway comprising a communication interface, a processor, and a memory;
the communication interface is used for receiving terminal equipment connection information; the terminal equipment connection information comprises a terminal equipment identifier;
the communication interface is further used for connecting the terminal equipment corresponding to the terminal equipment identifier according to the terminal equipment information when the connectable terminal equipment information comprises the terminal equipment information corresponding to the terminal equipment identifier;
the connectable terminal equipment information is information determined by the processor through monitoring terminal equipment broadcast.
8. The gateway of claim 7, wherein the gateway comprises an I/O system;
the connectable terminal device information includes terminal device information of a plurality of connectable terminal devices; wherein,
the processing unit monitors that the broadcast time of the connectable terminal equipment meets a time threshold; the time threshold is set by the I/O system according to the use environment of the terminal equipment and the broadcast interval.
9. A computer program product comprising instructions for causing a computer to perform the method of any one of claims 1 to 3 when the computer program product is run on the computer.
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