CN104348522A - Method suitable for heartbeat keeping of low-power consumption Bluetooth device - Google Patents

Method suitable for heartbeat keeping of low-power consumption Bluetooth device Download PDF

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Publication number
CN104348522A
CN104348522A CN201310310962.2A CN201310310962A CN104348522A CN 104348522 A CN104348522 A CN 104348522A CN 201310310962 A CN201310310962 A CN 201310310962A CN 104348522 A CN104348522 A CN 104348522A
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China
Prior art keywords
bluetooth
heartbeat
slave devices
bluetooth slave
master
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Granted
Application number
CN201310310962.2A
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Chinese (zh)
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CN104348522B (en
Inventor
姚燕玲
吕征南
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Potevio Information Technology Co Ltd
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Potevio Institute of Technology Co Ltd
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Priority to CN201310310962.2A priority Critical patent/CN104348522B/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

Abstract

The application discloses a method suitable for heartbeat keeping of a low-power consumption Bluetooth device. The method includes: A. a Bluetooth slave device maintains a heartbeat sending period timer, once timeout occurs in the timer, a Bluetooth non-connection broadcast message is sent as a heartbeat signal, and the heartbeat sending period timer is restarted; B. all Bluetooth mater devices which receive the non-connection broadcast message reports information of the Bluetooth slave device to a monitoring center; and C. after receiving the information of the Bluetooth slave device reported by any one of Bluetooth master devices, the monitoring center immediately restarts a local heartbeat timeout timer maintained by the Bluetooth slave device. The scheme of the method does not need to establish and maintain a Bluetooth connection, and does not need additional data transmission, thereby greatly reducing power consumption.

Description

A kind of method that heartbeat being applicable to low-power consumption bluetooth equipment keeps
Technical field
The application relates to short-distance wireless communication technology, particularly relates to a kind of method that heartbeat being applicable to low-power consumption bluetooth equipment keeps.
Background technology
Bluetooth technology is the radiotechnics of a kind of support equipment short haul connection (in general 10m), be operated in the 2.4GHz ISM(industry of global general-use, science, medical science) frequency range, adopt fast frequency hopping and short packet technology, support point-to-point and point-to-multipoint delivery, adopt time division duplex transmission scheme to realize full duplex transmission.The feature of Bluetooth technology can be summarized as following some:
Global range uses;
Can simultaneously transferring voice and data;
Provisional peer to peer connection can be set up;
There is good antijamming capability;
Bluetooth module volume is very little, can be integrated into easily in various equipment;
Low-power consumption;
Open interface standard.
Up to now, Bluetooth protocol released altogether six versions: Bluetooth V1.1/1.2/2.0/2.1/3.0/4.0.Up-to-date bluetooth 4.0 version, by three kinds of bluetooth core technology, comprises traditional bluetooth technology, blue teeth high speed technology and Bluetooth Low Energy (BLE, Bluetooth Low Energy) technology and integrates.Three kinds of technical specifications can be used alone, and also can run simultaneously.Wherein Low-power Technology can say it is the important breakthrough of bluetooth 4.0 version, possesses extremely low operation and stand-by power consumption, and bluetooth equipment uses a button cell even can continuous operation several years.Also have low cost simultaneously, across vendor interoperability, 3 milliseconds of low delays, more than 100 meters extra long distances, many characteristics such as AES-128 encryption, may be used for the various fields such as pedometer, heart rate monitor, intelligent instrument, transducer Internet of Things, have wide range of application.
Low-power consumption Bluetooth Solution is usually based on master/slave mechanism, and namely a bluetooth master is connected with multiple Bluetooth slave devices.An equipment can be bluetooth master or Bluetooth slave devices, but it can not be bluetooth master and Bluetooth slave devices simultaneously.The permission communication frequency of Bluetooth slave devices is controlled by bluetooth master, and only when bluetooth master requires, Bluetooth slave devices just can communicate with it.
In addition, new features of low-power consumption Bluetooth technology are exactly the broadcast capability of Bluetooth slave devices, by this approach, Bluetooth slave devices can announce that it has information to send bluetooth master to.Different according to type, broadcast is divided into can connect broadcast and disconnected broadcast two kinds, and can connect broadcast and allow other equipment to carry out response to it and set up with it bluetooth connecting, disconnected broadcast then can ignore any response message and connection request.Can connect broadcast can only to be sent by the bluetooth equipment be under disconnected state, disconnected broadcast is then not limited.
The advantage of low-power consumption Bluetooth technology, makes it be widely used in the wireless monitor fields such as production, household, health.And high reliability one of the indispensable prerequisite that runs well of wireless supervisory control system just.Usually, in the field of communications, use heartbeat (HB, Heart Beat) mode to detect certain network entity whether to exist or whether movable.It judges the operating state of detected equipment by the heartbeat message detecting detected equipment and send, the equipment that notes abnormalities fast (as abnormal shutdown equipment or leave the equipment of wireless coverage service area), take counter-measure.For low power consuming devices, the consumption of heartbeat mechanism to system resource must be considered.
Traditional heartbeat mechanism has two kinds of implementations: one is detected equipment timed sending heartbeat detection message, by catching heartbeat detection message, checkout equipment judges that whether detected equipment is in running order.If checkout equipment does not capture heartbeat detection message at the appointed time, just judge detected device fails, if application number is that the technical scheme disclosed in the Chinese patent " a kind of soft heartbeat detecting method and system " of 200710143400.8 is just adopted in this way.Another kind is that checkout equipment sends heartbeat request message to detected equipment, and detected equipment is after receiving heartbeat request message, and return heartbeat response message to checkout equipment, to inform checkout equipment, it is in running order.If checkout equipment does not receive the heartbeat response message that detected equipment returns at the appointed time, then judge detected device fails, as application number be 200910236819.7 Chinese patent " implementation method of heartbeat mechanism " and application number be that the technical scheme of disclosure in the Chinese patent " heartbeat detecting method and the network equipment " of 201110124490.2 etc. is all adopted in this way.
Above-mentioned two kinds of implementations all require that checkout equipment and detected equipment keep being connected and transmitting data.And in low-power consumption Bluetooth communication system, because Bluetooth slave devices node adopts powered battery usually, in order to save power consumption, must wish to reduce transfer of data as far as possible.Although adopt traditional heartbeat mechanism to realize the reliability maintenance that heartbeat keeps realizing Bluetooth communication, periodically heartbeat data transmission will inevitably bring extra power consumption.
Summary of the invention
This application provides a kind of method that heartbeat being applicable to low-power consumption bluetooth equipment keeps, do not need to set up and safeguard that bluetooth is connected, greatly reduce power consumption.
The method that a kind of heartbeat being applicable to low-power consumption bluetooth equipment that the embodiment of the present application provides keeps, comprising:
A, Bluetooth slave devices safeguard that heartbeat sends cycle timer, once time-out occurs this timer, then send the disconnected broadcast of bluetooth as heartbeat signal, and restart heartbeat transmission cycle timer;
B, all bluetooth masters receiving described disconnected broadcast all report the information of this Bluetooth slave devices to Surveillance center;
After C, Surveillance center receive the Bluetooth slave devices information that arbitrary bluetooth master reports, restart the local heartbeat timeout timer safeguarded for this Bluetooth slave devices immediately.
Preferably, the method comprises further:
When having transfer of data between Bluetooth slave devices and bluetooth master, Bluetooth slave devices and bluetooth master are set up bluetooth and are connected;
After described bluetooth connection establishment completes, Bluetooth slave devices stops heartbeat sending cycle timer;
This Bluetooth slave devices of bluetooth master notice Surveillance center connects;
Surveillance center receives the notice from bluetooth master, stops the heartbeat timeout timer that this locality is safeguarded for this Bluetooth slave devices.
Preferably, described Surveillance center receives the notice from bluetooth master, comprises further after stopping the local heartbeat timeout timer safeguarded for this Bluetooth slave devices:
Transfer of data is complete, and Bluetooth slave devices and bluetooth master disconnect bluetooth and be connected;
After bluetooth connects disconnection, Bluetooth slave devices is restarted heartbeat and is sent cycle timer;
This Bluetooth slave devices of bluetooth master notice Surveillance center disconnects;
Surveillance center receives described notice, restarts the heartbeat timeout timer that this locality is safeguarded for this Bluetooth slave devices.
As can be seen from the above technical solutions, utilize the disconnected broadcast of bluetooth as heartbeat signal, disconnected broadcast is periodically sent over the broadcast by Bluetooth slave devices, bluetooth master scanning broadcast channel obtains Bluetooth slave devices information and reports Surveillance center, and Surveillance center judges the state of Bluetooth slave devices according to the information that bluetooth master reports.The application's scheme does not need to set up and safeguard that bluetooth is connected, and without the need to extra transfer of data, greatly reduces power consumption yet.
Accompanying drawing explanation
Fig. 1 is the network topology schematic diagram of Bluetooth communication system;
The heartbeat keeping method schematic flow sheet that Fig. 2 provides for the embodiment of the present application;
What Fig. 3 provided for the embodiment of the present application suspends when there is bluetooth and connecting the process chart sending heartbeat signal.
Embodiment
The method that a kind of heartbeat being applicable to low-power consumption bluetooth equipment that the application proposes keeps, its fundamental design idea utilizes the disconnected broadcast of bluetooth as heartbeat signal, disconnected broadcast is periodically sent over the broadcast by Bluetooth slave devices, bluetooth master scanning broadcast channel obtains Bluetooth slave devices information and reports Surveillance center, and Surveillance center judges the state of Bluetooth slave devices according to the information that bluetooth master reports.
For making the know-why of technical scheme, feature and technique effect clearly, below in conjunction with specific embodiment, technical scheme is described in detail.
Low-power consumption Bluetooth technology is based upon on star topology, as shown in Figure 1, Surveillance center connects multiple bluetooth master by local area network (LAN), and each bluetooth master has certain communication coverage, in this communication range, have one or more Bluetooth slave devices.Network topology shown in Fig. 1 is only an example, and actual network topology can have other forms, and such as Surveillance center can be connected by other networks with main equipment, and the coverage between each main equipment also not necessarily wants overlapping.
The heartbeat keeping method flow process that the embodiment of the present application provides as shown in Figure 2, comprises the steps:
Step 201: Bluetooth slave devices safeguards that heartbeat sends cycle timer, once time-out occurs this timer, then sends the disconnected broadcast of bluetooth as heartbeat signal, and restarts heartbeat transmission cycle timer.
Step 202: all bluetooth masters receiving described disconnected broadcast all report the information of this Bluetooth slave devices to Surveillance center.
Step 203: after Surveillance center receives the Bluetooth slave devices information that arbitrary bluetooth master reports, restarts the local heartbeat timeout timer safeguarded for this Bluetooth slave devices immediately.
The duration of described heartbeat timeout timer should be greater than the duration that heartbeat sends cycle timer.
If Surveillance center is the heartbeat timeout timer expiry that certain Bluetooth slave devices is safeguarded, then mean that this Bluetooth slave devices occurs abnormal or not in the coverage of this blueteeth network, Surveillance center will carry out reporting to the police to take corresponding treatment measures.
When having transfer of data between Bluetooth slave devices and bluetooth master, Bluetooth slave devices and bluetooth master are in connection status, now do not need heartbeat mechanism to monitor Bluetooth slave devices state, therefore when Bluetooth slave devices and certain bluetooth master are in connection status, the transmission of heartbeat signal should be stopped, idiographic flow as shown in Figure 3, comprises the steps:
Step 301: when having transfer of data between Bluetooth slave devices and bluetooth master, Bluetooth slave devices and bluetooth master are set up bluetooth and are connected.
Step 302: after described bluetooth connection establishment completes, Bluetooth slave devices stops heartbeat sending cycle timer.
Step 303: this Bluetooth slave devices of bluetooth master notice Surveillance center connects.
Step 304: Surveillance center receives the notice from bluetooth master, stops the heartbeat timeout timer that it is safeguarded for this Bluetooth slave devices.
Step 305: Bluetooth slave devices and bluetooth master carry out transfer of data.
Step 306: transfer of data is complete, Bluetooth slave devices and bluetooth master disconnect bluetooth and are connected.
Step 307: after bluetooth connects disconnection, Bluetooth slave devices is restarted heartbeat and is sent cycle timer.
Step 308: this Bluetooth slave devices of bluetooth master notice Surveillance center disconnects.
Step 309: Surveillance center receives described notice, restarts the heartbeat timeout timer that it safeguards for this Bluetooth slave devices.
The foregoing is only the preferred embodiment of the application; not in order to limit the protection range of the application; within all spirit in technical scheme and principle, any amendment made, equivalent replacements, improvement etc., all should be included within scope that the application protects.

Claims (3)

1. the method that the heartbeat being applicable to low-power consumption bluetooth equipment keeps, is characterized in that, comprising:
A, Bluetooth slave devices safeguard that heartbeat sends cycle timer, once time-out occurs this timer, then send the disconnected broadcast of bluetooth as heartbeat signal, and restart heartbeat transmission cycle timer;
B, all bluetooth masters receiving described disconnected broadcast all report the information of this Bluetooth slave devices to Surveillance center;
After C, Surveillance center receive the Bluetooth slave devices information that arbitrary bluetooth master reports, restart the local heartbeat timeout timer safeguarded for this Bluetooth slave devices immediately.
2. method according to claim 1, is characterized in that, the method comprises further:
When having transfer of data between Bluetooth slave devices and bluetooth master, Bluetooth slave devices and bluetooth master are set up bluetooth and are connected;
After described bluetooth connection establishment completes, Bluetooth slave devices stops heartbeat sending cycle timer;
This Bluetooth slave devices of bluetooth master notice Surveillance center connects;
Surveillance center receives the notice from bluetooth master, stops the heartbeat timeout timer that this locality is safeguarded for this Bluetooth slave devices.
3. method according to claim 2, is characterized in that, described Surveillance center receives the notice from bluetooth master, comprises further after stopping the local heartbeat timeout timer safeguarded for this Bluetooth slave devices:
Transfer of data is complete, and Bluetooth slave devices and bluetooth master disconnect bluetooth and be connected;
After bluetooth connects disconnection, Bluetooth slave devices is restarted heartbeat and is sent cycle timer;
This Bluetooth slave devices of bluetooth master notice Surveillance center disconnects;
Surveillance center receives described notice, restarts the heartbeat timeout timer that this locality is safeguarded for this Bluetooth slave devices.
CN201310310962.2A 2013-07-23 2013-07-23 A kind of method that heart beating being applicable to low-power consumption bluetooth equipment keeps Expired - Fee Related CN104348522B (en)

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CN104639968A (en) * 2015-02-28 2015-05-20 江苏惠通集团有限责任公司 Communication connecting method, remote control device and host device
CN105516901A (en) * 2015-12-21 2016-04-20 飞天诚信科技股份有限公司 Low-power Bluetooth device and working method thereof
CN105916100A (en) * 2016-04-01 2016-08-31 华为技术有限公司 Heartbeat packet agency method, device and communication system
CN106358137A (en) * 2015-07-14 2017-01-25 普天信息技术有限公司 Slave unit access method in Bluetooth networking, slave unit and Bluetooth communication system
CN106452515A (en) * 2016-10-17 2017-02-22 中车株洲电力机车研究所有限公司 Train device monitoring method and device based on Bluetooth
CN106488383A (en) * 2015-08-28 2017-03-08 宇龙计算机通信科技(深圳)有限公司 A kind of method and device connecting bluetooth equipment
CN106604213A (en) * 2016-12-22 2017-04-26 上海百芝龙网络科技有限公司 Bluetooth device matching system
CN106878926A (en) * 2017-02-08 2017-06-20 泰凌微电子(上海)有限公司 A kind of data transmission method based on low-power consumption bluetooth, from main equipment and system
CN107172717A (en) * 2016-03-08 2017-09-15 普天信息技术有限公司 The mutual searching method of bluetooth equipment and its bluetooth equipment
CN110958162A (en) * 2019-12-06 2020-04-03 广东博智林机器人有限公司 BLE cascade network, link detection method, equipment and terminal thereof
CN112055342A (en) * 2019-08-30 2020-12-08 合肥炬芯智能科技有限公司 Connection-based Bluetooth communication method, system and main equipment
CN112987904A (en) * 2019-12-18 2021-06-18 成都鼎桥通信技术有限公司 Heartbeat control method and device
CN114449563A (en) * 2022-01-27 2022-05-06 厦门亚锝电子科技有限公司 Method for improving work stability of Bluetooth mesh network equipment and Bluetooth equipment
WO2024012408A1 (en) * 2022-07-12 2024-01-18 华为技术有限公司 Method for implementing low-power-consumption operation of bluetooth device, and related apparatus

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CN104639968A (en) * 2015-02-28 2015-05-20 江苏惠通集团有限责任公司 Communication connecting method, remote control device and host device
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CN106358137B (en) * 2015-07-14 2019-09-17 普天信息技术有限公司 From equipment cut-in method, from equipment and Bluetooth communication system in bluetooth group
CN106358137A (en) * 2015-07-14 2017-01-25 普天信息技术有限公司 Slave unit access method in Bluetooth networking, slave unit and Bluetooth communication system
CN106488383A (en) * 2015-08-28 2017-03-08 宇龙计算机通信科技(深圳)有限公司 A kind of method and device connecting bluetooth equipment
CN105516901B (en) * 2015-12-21 2019-01-04 飞天诚信科技股份有限公司 A kind of bluetooth low energy device and its working method
CN105516901A (en) * 2015-12-21 2016-04-20 飞天诚信科技股份有限公司 Low-power Bluetooth device and working method thereof
CN107172717B (en) * 2016-03-08 2020-01-24 普天信息技术有限公司 Bluetooth device and mutual searching method of Bluetooth device
CN107172717A (en) * 2016-03-08 2017-09-15 普天信息技术有限公司 The mutual searching method of bluetooth equipment and its bluetooth equipment
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CN106452515A (en) * 2016-10-17 2017-02-22 中车株洲电力机车研究所有限公司 Train device monitoring method and device based on Bluetooth
CN106452515B (en) * 2016-10-17 2019-07-05 中车株洲电力机车研究所有限公司 A kind of train apparatus monitoring method and system based on bluetooth
CN106604213A (en) * 2016-12-22 2017-04-26 上海百芝龙网络科技有限公司 Bluetooth device matching system
CN106878926A (en) * 2017-02-08 2017-06-20 泰凌微电子(上海)有限公司 A kind of data transmission method based on low-power consumption bluetooth, from main equipment and system
CN112055342A (en) * 2019-08-30 2020-12-08 合肥炬芯智能科技有限公司 Connection-based Bluetooth communication method, system and main equipment
CN112055342B (en) * 2019-08-30 2021-09-24 合肥炬芯智能科技有限公司 Connection-based Bluetooth communication method, system and main equipment
CN110958162A (en) * 2019-12-06 2020-04-03 广东博智林机器人有限公司 BLE cascade network, link detection method, equipment and terminal thereof
CN112987904A (en) * 2019-12-18 2021-06-18 成都鼎桥通信技术有限公司 Heartbeat control method and device
CN112987904B (en) * 2019-12-18 2022-11-11 成都鼎桥通信技术有限公司 Heartbeat control method and device
CN114449563A (en) * 2022-01-27 2022-05-06 厦门亚锝电子科技有限公司 Method for improving work stability of Bluetooth mesh network equipment and Bluetooth equipment
WO2024012408A1 (en) * 2022-07-12 2024-01-18 华为技术有限公司 Method for implementing low-power-consumption operation of bluetooth device, and related apparatus

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