CN111132113A - Method for realizing low-power-consumption Bluetooth Mesh network - Google Patents
Method for realizing low-power-consumption Bluetooth Mesh network Download PDFInfo
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- CN111132113A CN111132113A CN201911410728.0A CN201911410728A CN111132113A CN 111132113 A CN111132113 A CN 111132113A CN 201911410728 A CN201911410728 A CN 201911410728A CN 111132113 A CN111132113 A CN 111132113A
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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
- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
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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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Abstract
The invention provides a method for realizing a low-power-consumption Bluetooth Mesh network, which enables all nodes in the network to enter a low-power-consumption state; when any network node needs to transmit data, a wakeup mechanism is provided to wake up all nodes in the whole network and then carry out data communication; when the communication process is finished, all the nodes can automatically enter a low-power-consumption state; all message data of awakening and communication adopted by the network node conform to the Bluetooth Mesh standard specification, so that interconnection and intercommunication with other Bluetooth Mesh standard networks can be realized.
Description
Technical Field
The invention relates to the technical field of network communication, in particular to a method for realizing a low-power-consumption Bluetooth Mesh network
Background
Since birth, bluetooth technology has been used for point-to-point communication, and has been widely used in bluetooth headsets, sound boxes, smart phones, tablet computers, wearable devices, wireless remote control devices, and the like. However, with the explosion of the internet of things, the peer-to-peer communication cannot meet the requirement of object connection among a large number of devices. The bluetooth alliance SIG formally introduced the bluetooth Mesh specification at 2017, 7, 19, meaning that bluetooth technology began to fully support Mesh networks. The brand-new Bluetooth Mesh function provides many-to-many transmission among devices, particularly improves the communication capacity for constructing large-range network coverage, and is suitable for Internet of things solutions such as building automation, wireless sensor networks and the like which need to enable tens of thousands of devices to transmit in a reliable and safe environment.
The bluetooth Mesh network operates on low-power-consumption Bluetooth (BLE) in the bluetooth 4.0 specification and is forward compatible with bluetooth 4.0 and above versions, and the main principle is to utilize a scanning/broadcasting mechanism in the BLE technical specification to realize message receiving/message forwarding and further realize communication among a plurality of devices. By adopting the mechanism, all communication nodes of the whole Mesh network are required to be in a working state to ensure the timeliness and reliability of data transmission, but the low power consumption characteristic of BLE cannot be fully exerted. Therefore, in the bluetooth Mesh network specification, network nodes are classified into a plurality of types including relay nodes, proxy nodes, friend nodes, low power consumption nodes, and the like. The low power consumption node really utilizes the low power consumption characteristic of BLE, and achieves the purpose of low power consumption by reducing the duty ratio of the turn-on of the radio frequency transceiver, namely the node of the type can turn on the radio frequency transceiver only when needing to transmit and receive messages, and is in a dormant state at other times. Obviously, the low power nodes cannot receive information when sleeping, so that another class of nodes in the bluetooth Mesh network is specially used for serving the low power nodes and is called friend nodes. The friend node is used for temporarily storing information sent to the low-power-consumption node, and after the low-power-consumption node exits the sleep mode, the low-power-consumption node retrieves the related information from the friend node, so that the information is ensured not to be missed.
As can be seen from the above, the current bluetooth Mesh network standard specification cannot be applied to an application scenario in which all nodes have low power consumption requirements. If all devices have low power consumption requirements in an actual Mesh network application scenario, the devices need to adopt a low power consumption node manner, and an additional friend node device needs to be equipped for each device. Obviously, in this application scenario, the implementation and deployment costs of the entire network are greatly increased.
Disclosure of Invention
In order to reduce the overall power consumption of the Bluetooth Mesh network and reduce application limitation, the invention provides a method for realizing the low-power-consumption Bluetooth Mesh network, which can realize that all nodes of the whole Mesh network enter a low-power-consumption mode, can be completely compatible with a standard Bluetooth Mesh specification, has better universality and is suitable for more low-power-consumption application scenes.
The invention provides a method for realizing a low-power consumption Bluetooth Mesh network, wherein the network comprises a plurality of nodes, and the method is characterized by comprising the following steps:
a sleep state and an awakening mechanism are added on the basis of the Bluetooth Mesh network standard;
the network has a sleep state and an active state, is in the sleep state at ordinary times, is awakened when data communication is needed, then enters the active state, adopts a Bluetooth Mesh network standard mode for communication in the active state, and returns to the sleep state again after the communication is finished;
wherein all nodes within the network have four operating states: a low power state, a wake state, an idle state, and an active state; under the low power consumption state, the node enters the sleep state for most of time, and monitoring of the awakening message is carried out for a small part of time; in the awakening state, the node continuously broadcasts an awakening message to the outside; in an idle state, a node monitors network communication messages; in the active state, the node receives and transmits network communication messages;
the conversion mode among the four working states of the node is as follows: the method is in a low power consumption state at ordinary times, and automatically enters a wake-up state when a communication message needs to be actively sent or after the wake-up message is monitored; when the mobile phone is in the awakening state, the mobile phone can be maintained for a period of time, and then automatically enters the idle state; entering an active state if a message needs to be received and transmitted in an idle state; the node receives and transmits the communication message in the active state, and returns to the idle state after receiving and transmitting are completed; the idle state is maintained for a period of time and then automatically enters a low power consumption state;
wherein, when the network is in a sleep state, all nodes are in a low power consumption state;
wherein, the wake-up mechanism of the network is as follows: a node enters an awakening state firstly, awakens adjacent nodes, and also enters the awakening state after the adjacent nodes are awakened, so that more peripheral nodes are further awakened until all the nodes are awakened.
In one embodiment, the time for the nodes to sleep and listen for both phases in the low power state may be configurable by software.
In one embodiment, the node turns off the wireless transceiver of the node during a sleep phase and turns on the wireless transceiver during a listen phase in a low power state.
In one embodiment, the node turns off the receiving module of the node's wireless transceiver and turns on only the transmitting module in the awake state.
In one embodiment, the wake-up message sent by the node in the wake-up state is encrypted with the current network key.
In one embodiment, the node in the low power state may also wake up and directly enter the active state upon receiving any valid data packet currently in the network.
In one embodiment, the standard communication data packet sent by the node can wake up the node in a low power consumption state.
In one embodiment, the node is in a listening phase in a low power consumption state while also sending a connectable broadcast to the outside.
In one embodiment, the node also sends a connectable broadcast to the outside while in the idle state.
In one embodiment, the time duration between the nodes from the awake state to the active state may be set by software.
In one embodiment, the time duration between the nodes switching from the idle state to the low power consumption state may be set by software.
The invention provides a network sleep and wake-up mechanism based on a Bluetooth Mesh network standard communication mode, which is suitable for the application that communication tasks are not frequent, but equipment nodes are more, the coverage area is large, and the low power consumption is required. In addition, the low-power consumption awakening mechanism is simple and convenient to realize, does not need to design a complex synchronization mechanism, can be completely compatible with the Bluetooth standard Mesh network, and effectively expands the application range of the Bluetooth standard Mesh network.
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The foregoing summary, as well as the following detailed description of the invention, will be better understood when read in conjunction with the appended drawings. It is to be noted that the appended drawings are intended as examples of the claimed invention. In the drawings, like reference characters designate the same or similar elements.
FIG. 1 shows a schematic diagram of a network architecture according to an embodiment of the invention;
FIG. 2 illustrates a network state transition diagram according to an embodiment of the invention;
FIG. 3 illustrates a network node operational state transition diagram according to an embodiment of the present invention;
fig. 4 shows a network communication control flow diagram according to an embodiment of the invention.
Detailed Description
The detailed features and advantages of the present invention are described in detail in the detailed description which follows, and will be sufficient for anyone skilled in the art to understand the technical content of the present invention and to implement the present invention, and the related objects and advantages of the present invention will be easily understood by those skilled in the art from the description, claims and drawings disclosed in the present specification.
Various types of nodes are defined in the Bluetooth standard Mesh specification, wherein only the low-power-consumption node can keep a low-power-consumption working state, other nodes such as a relay node, a proxy node, a friend node and the like cannot enter the low-power-consumption state and always work, the average power consumption of the whole network is very high, and the application is limited.
The invention provides a method for realizing a low-power-consumption Bluetooth Mesh network, which enables all nodes in the network to enter a low-power-consumption state; when any network node needs to transmit data, a wakeup mechanism is provided to wake up all nodes in the whole network and then carry out data communication; when the communication process is finished, all the nodes can automatically enter a low-power-consumption state; all message data of awakening and communication adopted by the network node conform to the Bluetooth Mesh standard specification, so that interconnection and intercommunication with other Bluetooth Mesh standard networks can be realized.
By way of example, one application scenario of the present invention is an energy saving lamp networking solution within a building, as shown in FIG. 1. The system is composed of a central control device S101 and a plurality of energy-saving lamp devices S102, all the devices form a network, and each device is used as a node in the network. The central control device S101 needs to control all the energy saving lamp devices S102 to be turned on and off individually or integrally, and acquire the on-off state, the service time, the battery power information, and the like of each energy saving lamp device S102, and any energy saving lamp device S102 may also actively send state information or alarm information and the like to the central control device S101.
Because the devices in the building may be far away from each other or be influenced by wall shielding, in order to ensure that the central control device can reliably communicate with even the energy-saving lamp at the farthest distance, the Bluetooth Mesh network is a better solution. The central control device S101 and each energy saving lamp device S102 both use a low energy Bluetooth (BLE) technology as each communication node in the network. However, in the definition of the bluetooth Mesh standard specification, the relay node and the low power consumption node are of two types, and the central control device S101 and the energy saving lamp device S102 are both powered by batteries, which has a high requirement on power consumption. Therefore, aiming at the application requirement, a whole network low-power consumption scheme is designed, and all equipment can be used as relay nodes and has the characteristic of low power consumption.
As shown in fig. 2, the entire network defines two states, a sleep state S201 and an active state S202. The network is in a sleep state S201 at ordinary times, and the power consumption of the whole network is maintained at a very low level; when there is data to communicate, the network is woken up to the active state S202. In the sleep state, each node of the network is correspondingly in the low-power-consumption working state, only in the active state, the communication can be realized among all devices serving as the nodes, and the data communication is carried out by adopting a Bluetooth Mesh communication protocol. Because the control and state information reading of the energy-saving lamp device S102 by the central control device S101, or the active information sending of the central control by the energy-saving lamp device S102, etc., are low-frequency operation behaviors, the formed network can be in a sleep state in most of the time, the network is awakened to be in an active state only when a few communication control is needed, and after a communication task is completed, the network automatically enters the sleep state, thereby realizing lower average power consumption.
Therefore, on the basis of the bluetooth standard Mesh network, the invention adds a sleep state and an awakening mechanism of the network, which are further explained below.
As shown in fig. 3, each device node is designed with four operating states: a low power state S301, a wake state S302, an idle state S303 and an active state S304.
In the low power consumption state S301, the node starts to monitor the network message after sleeping for a period of time, continues to sleep again after monitoring for a period of time, and so on. To keep power consumption low, the sleep time can be extended, the listening time can be shortened, and the wireless transceiver can be turned off during sleep and other modules that do not need to operate, and the wireless transceiver can be turned on only during the listening phase. When receiving the wake-up message or other effective communication messages in the network during the monitoring process, the node exits the low power consumption state and enters the wake-up state S302.
In the wakeup state S302, the node turns on the wireless transceiver and continuously broadcasts the wakeup message to the outside. The wake-up message is encrypted by using the current network key to ensure that the wake-up message cannot be mistakenly awakened by other messages in a low power consumption state. Because the whole network communication protocol adopts the Bluetooth Mesh standard protocol, the data format of the wake-up message can also adopt the data packet format conforming to the Bluetooth Mesh standard. After the awake state continues for a period of time T1, the node automatically enters the idle state. The time T1 can be adjusted according to the actual situation. In the wake-up state, the receiving module of the wireless transceiver can be turned off to save certain power consumption.
In the idle state S303, the node turns on the wireless transceiver and keeps listening for network communication messages. If the message is received, the mobile terminal enters an active state. If no message is received after a period of time T2 in the idle state, the node automatically enters a low power state. The time T2 can be adjusted according to the actual situation.
In the active state S304, the node opens the wireless transceiver to transmit or forward the communication message; after the message sending or forwarding is completed once, the node automatically enters an idle state.
Taking the example that the central control device needs to control a certain energy saving lamp device from a remote location, the communication control flow of the whole network is shown in fig. 4 and described as follows:
step S401: the network is in a sleep state in a default state, and all equipment nodes are in a low power consumption state;
step S402: the central control equipment node exits the low power consumption state, enters the awakening state and continuously sends an awakening message to the outside;
step S403: after receiving the wake-up message, the device nodes adjacent to the central control device node exit from the low-power consumption state and enter a wake-up state, and further wake up more peripheral device nodes;
step S404: the awakening state lasts for a period of time, all equipment nodes are awakened and then enter an idle state, and at the moment, the whole network enters an active state;
step S405: the central control equipment node sends a communication message to the target energy-saving lamp equipment node outwards, and all equipment nodes in the network forward the message in a Bluetooth Mesh standard communication mode until the target energy-saving lamp equipment node receives the message;
step S406: after the communication task is finished, all the equipment nodes enter an idle state in sequence;
step S407: after a period of time, all nodes enter a low power consumption state in sequence, and at the moment, the network enters a sleep state.
Similarly, when a certain energy-saving lamp device fails, the alarm needs to be actively sent to the central control device, the above process can also be adopted, the network is firstly awakened, then the communication with the central control device is started in the bluetooth Mesh network standard communication mode, and after the alarm task is completed, the network returns to the sleep state to keep low power consumption.
In order to avoid that the network is mistakenly awakened by other messages during sleeping, the awakening message of the invention adopts an encryption mechanism which is the same as that of the common communication message, and is encrypted by the current network key so as to ensure that the node can be awakened only by the awakening message of the current network. Therefore, even if a plurality of adjacent buildings adopt the scheme of the invention, the network communication is independent and does not interfere with each other.
Considering that the node wake-up state is maintained for a short period of time and then enters the idle state, it may happen that some nodes miss the wake-up message for some reason and remain in the low power state, so that any valid communication message currently received in the network in the low power state can be woken up and directly enter the active state.
Because the Mesh mode is adopted for communication, the data transmission speed is relatively low, and therefore, the function of point-to-point connection with other Bluetooth terminals is designed for each equipment node. The realization method is that connectable Bluetooth broadcast is sent during the monitoring period when the equipment node is in a low power consumption state and in an idle state, and a user can scan the equipment node by using a Bluetooth terminal with a BLE function such as a mobile phone and the like and establish connection. By adopting the Bluetooth connection point-to-point communication mode, the communication speed and the efficiency are higher, and the Bluetooth connection point-to-point communication method is suitable for realizing more complex functions such as equipment maintenance, OTA firmware upgrade and the like. Since the standard connectible broadcast is not in the same format as the bluetooth Mesh packet, it does not affect the aforementioned wake-up procedure.
It should be noted that the application scenario in the above embodiment is energy-saving lamp networking in a building, and those skilled in the art will understand that the present invention can be applied to node device networking using the bluetooth Mesh network standard communication mode.
The invention provides a method for realizing a low-power-consumption Bluetooth Mesh network, which adds a sleep state and an awakening mechanism on the basis of a Bluetooth Mesh network standard.
The network is in a sleep state at ordinary times, is awakened when data communication is needed, then enters an active state, communicates in a Bluetooth Mesh network standard mode in the active state, and returns to the sleep state again after communication is completed.
All nodes in the network are designed with four working states: a low power state, a wake state, an idle state, and an active state. Under the low power consumption state, the node enters the sleep state for most of time, and monitoring of the awakening message is carried out for a small part of time; in the awakening state, the node continuously broadcasts an awakening message to the outside; in an idle state, a node monitors a network communication message; in the active state, the node receives and transmits communication messages. The four state transition modes are as follows: the system is in a low power consumption state at ordinary times, and automatically enters a wake-up state when a communication message needs to be actively sent or after a wake-up message is monitored; when the mobile phone is in the awakening state, the mobile phone can be maintained for a period of time, and then automatically enters the idle state; entering an active state if communication messages need to be transmitted and received in an idle state; the node receives and transmits the communication message in the active state and returns to the idle state after the communication message is received and transmitted; the idle state is maintained for a period of time and then automatically enters a low power consumption state.
And in the sleep state of the network, all the nodes are in a low power consumption state. The wake-up mechanism of the network is as follows: the nodes enter the awakening state firstly, awaken the adjacent nodes, and then enter the awakening state after the adjacent nodes are awakened, so that more peripheral nodes are further awakened until all the nodes are awakened.
Preferably, the time of the nodes in the low power consumption state for sleeping and listening can be configured by software.
Preferably, the node turns off the wireless transceiver during the sleep phase in the low power consumption state and turns on the wireless transceiver during the listening phase.
Preferably, the node turns off the reception module of the wireless transceiver and turns on only the transmission module in the awake state.
Preferably, the wake-up message sent by the node in the wake-up state is encrypted by using the current network key.
Preferably, when the node is in the low power consumption state, any valid data packet received in the current network can be awakened and directly enters the active state.
Preferably, the standard communication data packet sent by the node can wake up the node in the low power consumption state.
Optionally, the node sends connectable broadcast to the outside at the same time in the listening phase in the low power consumption state.
Optionally, the node simultaneously sends connectable broadcast to the outside in the idle state.
Alternatively, the time duration between the nodes from the awake state to the active state may be set by software.
Alternatively, the time duration between the nodes switching from the idle state to the low power consumption state may be set by software.
In summary, the present invention provides a network sleep and wake-up mechanism based on the bluetooth Mesh network standard communication mode, and is suitable for applications with infrequent communication tasks, but more device nodes, a large coverage area, and a low power consumption requirement. In addition, the low-power consumption awakening mechanism is simple and convenient to realize, does not need to design a complex synchronization mechanism, can be completely compatible with the Bluetooth standard Mesh network, and effectively expands the application range of the Bluetooth standard Mesh network.
As used in this application and the appended claims, the terms "a," "an," "the," and/or "the" are not intended to be inclusive in the singular, but rather are intended to be inclusive in the plural unless the context clearly dictates otherwise. In general, the terms "comprises" and "comprising" merely indicate that steps and elements are included which are explicitly identified, that the steps and elements do not form an exclusive list, and that a method or apparatus may include other steps or elements.
This application uses specific words to describe embodiments of the application. Reference throughout this specification to "one embodiment," "an embodiment," and/or "some embodiments" means that a particular feature, structure, or characteristic described in connection with at least one embodiment of the present application is included in at least one embodiment of the present application. Therefore, it is emphasized and should be appreciated that two or more references to "an embodiment" or "one embodiment" or "an alternative embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, some features, structures, or characteristics of one or more embodiments of the present application may be combined as appropriate.
Similarly, it should be noted that in the preceding description of embodiments of the application, various features are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure aiding in the understanding of one or more of the embodiments. This method of disclosure, however, is not intended to require more features than are expressly recited in the claims.
The terms and expressions which have been employed herein are used as terms of description and not of limitation. The use of such terms and expressions is not intended to exclude any equivalents of the features shown and described (or portions thereof), and it is recognized that various modifications may be made within the scope of the claims. Other modifications, variations, and alternatives are also possible. Accordingly, the claims should be looked to in order to cover all such equivalents.
Also, it should be noted that although the present invention has been described with reference to the current specific embodiments, it should be understood by those skilled in the art that the above embodiments are merely illustrative of the present invention, and various equivalent changes or substitutions may be made without departing from the spirit of the present invention, and therefore, it is intended that all changes and modifications to the above embodiments be included within the scope of the claims of the present application.
Claims (11)
1. A method for implementing a Bluetooth Low energy Mesh network, wherein the network comprises a plurality of nodes, the method comprising:
the sleep state and the awakening mechanism are added on the basis of the Bluetooth Mesh network standard;
the network has a sleep state and an active state, is in the sleep state at ordinary times, is awakened when data communication is needed, then enters the active state, adopts a Bluetooth Mesh network standard mode for communication in the active state, and returns to the sleep state again after the communication is finished;
wherein all nodes within the network have four operating states: a low power state, a wake state, an idle state, and an active state; under the low power consumption state, the node enters the sleep state for most of time, and monitoring of the awakening message is carried out for a small part of time; in the awakening state, the node continuously broadcasts an awakening message to the outside; in an idle state, a node monitors a network message; in the active state, the node receives and sends communication messages;
the conversion mode among the four working states of the node is as follows: the method is in a low power consumption state at ordinary times, and automatically enters a wake-up state when a communication message needs to be actively sent or after the wake-up message is monitored; when the mobile phone is in the awakening state, the mobile phone can be maintained for a period of time, and then automatically enters the idle state; entering an active state if communication messages need to be transmitted and received in an idle state; the node receives and transmits the communication message in the active state, and returns to the idle state after receiving and transmitting are completed; the idle state is maintained for a period of time and then automatically enters a low power consumption state;
wherein, when the network is in a sleep state, all nodes are in a low power consumption state;
wherein, the wake-up mechanism of the network is as follows: a node enters an awakening state firstly, awakens adjacent nodes, and also enters the awakening state after the adjacent nodes are awakened, so that more peripheral nodes are further awakened until all the nodes are awakened.
2. The bluetooth low energy Mesh network implementation method of claim 1, wherein the time of the two phases of the node sleeping and listening in the low energy state is configurable by software.
3. The bluetooth low energy Mesh network implementation method of claim 1, wherein the node turns off a wireless transceiver of the node in a sleep phase in a low energy state and turns on the wireless transceiver in a listening phase.
4. The bluetooth low energy Mesh network implementation method of claim 1, wherein the node turns off a reception module of a wireless transceiver of the node and turns on only a transmission module in an awake state.
5. The bluetooth low energy Mesh network implementation method of claim 1, wherein the wake-up message sent by the node in the wake-up state is encrypted with a current network key.
6. The bluetooth low energy Mesh network implementation method of claim 1, wherein the node in the low energy state may also wake up and directly enter an active state when receiving any valid data packet in the current network.
7. The bluetooth low energy Mesh network implementation method of claim 1, wherein the standard communication data packet sent by the node wakes up the node in a low energy consumption state.
8. The bluetooth low energy Mesh network implementation method of claim 1, wherein the node further sends a connectable broadcast to the outside while being in a listening phase in a low energy state.
9. The bluetooth low energy Mesh network implementation method of claim 1, wherein the node further transmits a connectable broadcast to the outside while in an idle state.
10. The bluetooth low energy Mesh network implementation method of claim 1, wherein the time duration between the node from the awake state to the active state is settable by software.
11. The bluetooth low energy Mesh network implementation method of claim 1, wherein the time duration between the nodes switching from the idle state to the low energy state can be set by software.
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| CN112188451A (en) * | 2020-11-10 | 2021-01-05 | 北京百瑞互联技术有限公司 | Dormancy awakening method, device and medium for Bluetooth mesh low-power-consumption node |
| CN112714426A (en) * | 2020-12-25 | 2021-04-27 | 深圳市欧瑞博科技股份有限公司 | Intelligent upgrading method and device for Bluetooth equipment, electronic equipment and medium |
| CN113613319A (en) * | 2021-08-19 | 2021-11-05 | 联想(北京)有限公司 | Communication processing method, system and communication node |
| CN114585062A (en) * | 2022-04-13 | 2022-06-03 | 哈工大机器人（合肥）国际创新研究院 | Bluetooth-based energy-saving connection method and system |
| US12089132B2 (en) | 2021-08-26 | 2024-09-10 | Agrint Sensing Solutions Ltd. | System and method of optimizing communication in an IoT mesh network |
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