CN117858085A - Bluetooth distribution network docking method and system for multi-device scene - Google Patents
Bluetooth distribution network docking method and system for multi-device scene Download PDFInfo
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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
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Abstract
The invention provides a Bluetooth distribution network docking method and a Bluetooth distribution network docking system for a multi-device scene, which are used for carrying out Bluetooth detection on the surrounding environment of service equipment to obtain Bluetooth signal state information existing in the surrounding environment, screening Bluetooth signals in a stable state, determining user equipment corresponding to the Bluetooth signals in the stable state, acquiring corresponding equipment attribute information, and accurately determining user equipment capable of being connected with the Bluetooth of the service equipment; authenticating the user equipment, constructing Bluetooth distribution network connection of the service equipment and a plurality of user equipment, and realizing Bluetooth distribution network butt joint of a multi-equipment scene; and determining the Bluetooth data receiving state of the service equipment to all the user equipment connected with the current distribution network based on the Bluetooth data transmission attribute information of all the user equipment connected with the current distribution network, ensuring ordered Bluetooth data transmission between each user equipment and the service equipment, and improving the execution efficiency and convenience of Bluetooth connection.
Description
Technical Field
The invention relates to the field of network connection, in particular to a Bluetooth distribution network docking method and system for a multi-device scene.
Background
The networking connection between different devices may be achieved through WIFI or bluetooth connections. When different devices are connected in a WIFI mode, a WIFI network is required to be preset, then the devices are accessed into the WIF network, the WIFI network is suitable for long-time continuous communication connection between the devices, and high requirements are set for the construction safety of the WIFI network. In general, only temporary connection is needed between different devices, and the connection can be disconnected after data interaction is completed between the different devices, so that the connection between the different devices is realized by using a Bluetooth mode. The existing Bluetooth connection mode is realized under one-to-one conditions, bluetooth connection between multiple devices cannot be realized, so that authentication operation needs to be carried out on each device one by one when different devices carry out Bluetooth connection operation, the time cost of the Bluetooth connection operation is increased, rapid Bluetooth connection switching cannot be carried out, and the execution efficiency and convenience of Bluetooth connection are reduced.
Disclosure of Invention
The invention aims to provide a Bluetooth distribution network docking method and a Bluetooth distribution network docking system for a multi-device scene, which are used for carrying out Bluetooth detection on the surrounding environment of service equipment to obtain Bluetooth signal state information existing in the surrounding environment, screening Bluetooth signals in a stable state, determining user equipment corresponding to the Bluetooth signals in the stable state, acquiring corresponding equipment attribute information, and accurately determining user equipment capable of being connected with the Bluetooth of the service equipment; authenticating the user equipment, constructing Bluetooth distribution network connection of the service equipment and a plurality of user equipment, and realizing Bluetooth distribution network butt joint of a multi-equipment scene; and determining the Bluetooth data receiving state of the service equipment to all the user equipment connected with the current distribution network based on the Bluetooth data transmission attribute information of all the user equipment connected with the current distribution network, ensuring ordered Bluetooth data transmission between each user equipment and the service equipment, and improving the execution efficiency and convenience of Bluetooth connection.
The invention is realized by the following technical scheme:
the Bluetooth distribution network docking method for the multi-device scene comprises the following steps:
bluetooth detection is carried out on the surrounding environment of the service equipment, and Bluetooth signal state information existing in the surrounding environment is identified; analyzing the Bluetooth signal state information, and screening to obtain all Bluetooth signals in a stable state in the surrounding environment;
performing signal positioning identification on all Bluetooth signals in a stable state, determining user equipment corresponding to all the Bluetooth signals in the stable state, and acquiring equipment attribute information corresponding to all the user equipment; selecting a plurality of user devices capable of simultaneously performing Bluetooth connection with the service device from all user devices based on the device attribute information, and authenticating the selected plurality of user devices;
based on the authentication result, constructing Bluetooth distribution network connection between the service equipment and a plurality of corresponding user equipment; and determining the Bluetooth data receiving state of the service equipment to all the user equipment connected with the current distribution network based on the Bluetooth data transmission attribute information of all the user equipment connected with the current distribution network and the service equipment.
Optionally, bluetooth detection is performed on the surrounding environment of the service equipment, and bluetooth signal state information existing in the surrounding environment is identified; analyzing the Bluetooth signal state information, screening to obtain all Bluetooth signals in a stable state in the surrounding environment, wherein the method comprises the following steps:
bluetooth scanning detection is carried out on the surrounding environment of the service equipment, and signal intensity state information of all Bluetooth signals existing in the surrounding environment is identified; analyzing the signal intensity state information to obtain average signal intensity values and signal intensity change rate values of all Bluetooth signals obtained through recognition in a preset time interval;
respectively carrying out threshold comparison on the average signal intensity value and the signal intensity change rate value, and if the average signal intensity value is larger than or equal to a preset signal intensity threshold value and the signal intensity change rate value is smaller than the preset signal intensity change rate threshold value, determining that the corresponding Bluetooth signal is in a stable state; and carrying out signal name recognition on all the Bluetooth signals in the stable state to form a signal name catalog of all the Bluetooth signals in the stable state.
Optionally, analyzing the signal strength status information to obtain average signal strength values and signal strength change rate values of all bluetooth signals obtained by identification in a preset time interval, where the method includes:
Step S1, obtaining the average signal intensity value of all Bluetooth signals in a preset time interval by using the following formula (1),
in the above-mentioned formula (1),representing the average signal intensity value of the identified a-th Bluetooth signal in a preset time interval; n_a represents the total number of signal intensities of the a-th Bluetooth signals acquired in a preset time interval; e_a (k) represents the kth signal strength of the (a) th Bluetooth signal acquired in a preset time interval; />Representing the minimum signal intensity of an a-th Bluetooth signal acquired in a preset time interval; />Representing the maximum value of the signal intensity of the a-th Bluetooth signal acquired in a preset time interval;
step S2, obtaining the average signal strength change rate value of all Bluetooth signals in a preset time interval by using the following formula (2),
in the above formula (2),representing the average signal strength change rate value of the identified a-th Bluetooth signal in a preset time interval; t represents a preset time interval;
step S3, utilizing the following formula (3), according to the average signal strength change rate value and the head-to-tail signal strength of all the Bluetooth signals in the preset time interval respectively obtained by recognition, the final signal strength change rate value of all the Bluetooth signals in the preset time interval respectively obtained,
In the above formula (3), b_a represents the final signal strength change rate value of the a-th bluetooth signal in a preset time interval.
Optionally, performing signal positioning identification on all the bluetooth signals in a stable state, determining user equipment corresponding to all the bluetooth signals in the stable state, and acquiring equipment attribute information corresponding to all the user equipment; selecting a plurality of user devices capable of simultaneously performing bluetooth connection with the service device from all user devices based on the device attribute information, and authenticating the selected plurality of user devices, including:
carrying out signal azimuth positioning identification on all Bluetooth signals in a stable state, determining the relative azimuth information of user equipment and service equipment corresponding to all the Bluetooth signals in the stable state, and acquiring the equipment identity information corresponding to all the user equipment;
based on the relative azimuth information and the equipment identity information of all the user equipment and the service equipment, determining all the user equipment positioned in the same azimuth range as a plurality of user equipment capable of simultaneously carrying out Bluetooth connection with the service equipment; comparing equipment identity information of a plurality of user equipment which can be connected with the service equipment through Bluetooth with an equipment identity white list of the service equipment, and if the equipment identity information exists in the equipment identity white list, determining that authentication of the corresponding user equipment is successful; otherwise, determining that authentication of the corresponding user equipment fails.
Optionally, based on the authentication result, constructing a bluetooth distribution network connection between the service device and a plurality of corresponding user devices; based on the Bluetooth data transmission attribute information of all user equipment connected with the current distribution network and the service equipment, determining the Bluetooth data receiving state of the service equipment on all user equipment connected with the current distribution network, wherein the Bluetooth data receiving state comprises the following steps:
based on the Bluetooth signal channels corresponding to all user equipment which is successfully authenticated, constructing Bluetooth distribution network connection between the service equipment and all user equipment which is successfully authenticated;
acquiring the bit quantity to be transmitted of Bluetooth data of all user equipment connected with the current distribution network and the service equipment, and determining the Bluetooth data receiving sequence of the service equipment on all user equipment connected with the current distribution network based on the sequence of the bit quantity to be transmitted of the Bluetooth data from small to large; and stopping the Bluetooth distribution network connection between the service equipment and the corresponding user equipment after the service equipment completes the Bluetooth data receiving of any user equipment connected with the current distribution network.
A bluetooth distribution network docking system for a multi-device scenario, comprising:
the Bluetooth signal detection module is used for carrying out Bluetooth detection on the surrounding environment of the service equipment and identifying Bluetooth signal state information existing in the surrounding environment;
The Bluetooth signal analysis module is used for analyzing the Bluetooth signal state information and screening to obtain all Bluetooth signals in a stable state in the surrounding environment;
the user equipment calibration module is used for carrying out signal positioning identification on all the Bluetooth signals in a stable state, determining the user equipment corresponding to each of all the Bluetooth signals in the stable state, and acquiring the equipment attribute information corresponding to each of all the user equipment;
the user equipment selecting and authenticating module is used for selecting a plurality of user equipment which can be connected with the service equipment at the same time from all the user equipment based on the equipment attribute information and authenticating the selected user equipment;
the distribution network connection module is used for constructing Bluetooth distribution network connection between the service equipment and a plurality of corresponding user equipment based on the authentication result;
and the Bluetooth data receiving control module is used for determining the Bluetooth data receiving state of the service equipment for all the user equipment connected with the current distribution network based on the Bluetooth data transmission attribute information of all the user equipment connected with the current distribution network and the service equipment.
Optionally, the bluetooth signal detection module is configured to perform bluetooth detection on a surrounding environment of a service device, identify bluetooth signal status information existing in the surrounding environment, and include:
Bluetooth scanning detection is carried out on the surrounding environment of the service equipment, and signal intensity state information of all Bluetooth signals existing in the surrounding environment is identified; analyzing the signal intensity state information to obtain average signal intensity values and signal intensity change rate values of all Bluetooth signals obtained through recognition in a preset time interval;
the Bluetooth signal analysis module is used for analyzing the Bluetooth signal state information, screening and obtaining all Bluetooth signals in a stable state in the surrounding environment, and comprises the following steps:
respectively carrying out threshold comparison on the average signal intensity value and the signal intensity change rate value, and if the average signal intensity value is larger than or equal to a preset signal intensity threshold value and the signal intensity change rate value is smaller than the preset signal intensity change rate threshold value, determining that the corresponding Bluetooth signal is in a stable state; and carrying out signal name recognition on all the Bluetooth signals in the stable state to form a signal name catalog of all the Bluetooth signals in the stable state.
Optionally, the user equipment calibration module is configured to perform signal positioning identification on all bluetooth signals in a stable state, determine user equipment corresponding to all bluetooth signals in the stable state, and obtain equipment attribute information corresponding to all user equipment, where the method includes:
Carrying out signal azimuth positioning identification on all Bluetooth signals in a stable state, determining the relative azimuth information of user equipment and service equipment corresponding to all the Bluetooth signals in the stable state, and acquiring the equipment identity information corresponding to all the user equipment;
the user equipment selecting and authenticating module is used for selecting a plurality of user equipment which can be connected with the service equipment in Bluetooth mode from all user equipment based on the equipment attribute information, and authenticating the selected user equipment, and comprises the following steps:
based on the relative azimuth information and the equipment identity information of all the user equipment and the service equipment, determining all the user equipment positioned in the same azimuth range as a plurality of user equipment capable of simultaneously carrying out Bluetooth connection with the service equipment; comparing equipment identity information of a plurality of user equipment which can be connected with the service equipment through Bluetooth with an equipment identity white list of the service equipment, and if the equipment identity information exists in the equipment identity white list, determining that authentication of the corresponding user equipment is successful; otherwise, determining that authentication of the corresponding user equipment fails.
Optionally, the network connection module is configured to construct a bluetooth network connection between the service device and a plurality of corresponding user devices based on the authentication result, including:
based on the Bluetooth signal channels corresponding to all user equipment which is successfully authenticated, constructing Bluetooth distribution network connection between the service equipment and all user equipment which is successfully authenticated;
the bluetooth data receiving control module is configured to determine a bluetooth data receiving state of the service device for all user devices connected to the current distribution network based on bluetooth data transmission attribute information of all user devices connected to the current distribution network and the service device, where the bluetooth data receiving control module includes:
acquiring the bit quantity to be transmitted of Bluetooth data of all user equipment connected with the current distribution network and the service equipment, and determining the Bluetooth data receiving sequence of the service equipment on all user equipment connected with the current distribution network based on the sequence of the bit quantity to be transmitted of the Bluetooth data from small to large; and stopping the Bluetooth distribution network connection between the service equipment and the corresponding user equipment after the service equipment completes the Bluetooth data receiving of any user equipment connected with the current distribution network.
Compared with the prior art, the invention has the following beneficial effects:
According to the Bluetooth distribution network docking method and system for the multi-device scene, bluetooth detection is carried out on the surrounding environment of the service device, bluetooth signal state information existing in the surrounding environment is obtained, bluetooth signals in a stable state are screened, user equipment corresponding to the Bluetooth signals in the stable state is determined, corresponding device attribute information is obtained, and user equipment capable of being connected with the Bluetooth of the service device is accurately determined; authenticating the user equipment, constructing Bluetooth distribution network connection of the service equipment and a plurality of user equipment, and realizing Bluetooth distribution network butt joint of a multi-equipment scene; and determining the Bluetooth data receiving state of the service equipment to all the user equipment connected with the current distribution network based on the Bluetooth data transmission attribute information of all the user equipment connected with the current distribution network, ensuring ordered Bluetooth data transmission between each user equipment and the service equipment, and improving the execution efficiency and convenience of Bluetooth connection.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
Fig. 1 is a flow chart of a bluetooth distribution network docking method for a multi-device scenario provided by the invention.
Fig. 2 is a schematic structural diagram of a bluetooth distribution network docking system for a multi-device scenario according to the present invention.
Detailed Description
In order to make the above objects, features and advantages of the present application more comprehensible, embodiments accompanied with figures are described in detail below. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not limiting. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present application are shown in the drawings. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
The terms "comprising" and "having" and any variations thereof herein are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed steps or elements but may include other steps or elements not listed or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
Referring to fig. 1, a bluetooth distribution network docking method for a multi-device scenario according to an embodiment of the present application includes:
bluetooth detection is carried out on the surrounding environment of the service equipment, and Bluetooth signal state information existing in the surrounding environment is identified; analyzing the Bluetooth signal state information, and screening to obtain all Bluetooth signals in a stable state in the surrounding environment;
performing signal positioning identification on all Bluetooth signals in a stable state, determining user equipment corresponding to all the Bluetooth signals in the stable state, and acquiring equipment attribute information corresponding to all the user equipment; selecting a plurality of user devices capable of simultaneously performing Bluetooth connection with the service device from all user devices based on the device attribute information, and authenticating the selected plurality of user devices;
Based on the authentication result, constructing Bluetooth distribution network connection between the service equipment and a plurality of corresponding user equipment; and determining the Bluetooth data receiving state of the service equipment to all the user equipment connected with the current distribution network based on the Bluetooth data transmission attribute information of all the user equipment connected with the current distribution network and the service equipment.
The Bluetooth distribution network docking method for the multi-device scene has the beneficial effects that Bluetooth detection is carried out on the surrounding environment of the service device to obtain Bluetooth signal state information existing in the surrounding environment, so that Bluetooth signals in a stable state are screened, user equipment corresponding to the Bluetooth signals in the stable state is determined, equipment attribute information corresponding to the Bluetooth signals is acquired, and user equipment capable of being connected with the Bluetooth of the service device is accurately determined; authenticating the user equipment, constructing Bluetooth distribution network connection of the service equipment and a plurality of user equipment, and realizing Bluetooth distribution network butt joint of a multi-equipment scene; and determining the Bluetooth data receiving state of the service equipment to all the user equipment connected with the current distribution network based on the Bluetooth data transmission attribute information of all the user equipment connected with the current distribution network, ensuring ordered Bluetooth data transmission between each user equipment and the service equipment, and improving the execution efficiency and convenience of Bluetooth connection.
In another embodiment, bluetooth detection is performed on the surrounding environment of the service device, and bluetooth signal state information existing in the surrounding environment is identified; analyzing the Bluetooth signal state information, screening to obtain all Bluetooth signals in a stable state in the surrounding environment, wherein the method comprises the following steps:
bluetooth scanning detection is carried out on the surrounding environment of the service equipment, and signal intensity state information of all Bluetooth signals existing in the surrounding environment is identified; analyzing the signal strength state information to obtain average signal strength values and signal strength change rate values of all Bluetooth signals obtained through recognition in a preset time interval;
respectively carrying out threshold comparison on the average signal strength value and the signal strength change rate value, and if the average signal strength value is larger than or equal to a preset signal strength threshold value and the signal strength change rate value is smaller than the preset signal strength change rate threshold value, determining that the corresponding Bluetooth signal is in a stable state; and carrying out signal name recognition on all the Bluetooth signals in the stable state to form a signal name catalog of all the Bluetooth signals in the stable state.
The service equipment has the beneficial effects that a plurality of user equipment exist in the environment where the service equipment is located, when the user equipment needs to be connected with the service equipment in a Bluetooth mode, the user equipment can correspondingly enter a Bluetooth working mode and send Bluetooth signals outwards, so that Bluetooth scanning detection is carried out on the surrounding environment of the service equipment, signal intensity state information of all Bluetooth signals existing in the surrounding environment is identified, and quantitative analysis is conveniently carried out on the stable states of the Bluetooth signals generated by each user equipment. Specifically, the average signal strength value and the signal strength change rate value are respectively subjected to threshold comparison, if the average signal strength value is greater than or equal to a preset signal strength threshold value and the signal strength change rate value is smaller than the preset signal strength change rate threshold value, the Bluetooth signals can keep enough signal strength and the drift of the signal strength is smaller, then signal name identification is performed on all Bluetooth signals in a stable state, a signal name catalog of all Bluetooth signals in the stable state is formed, so that service equipment can be connected with user equipment with stable Bluetooth signals, the connection stability and the continuity of the service equipment and the user equipment are improved, and the condition of Bluetooth connection interruption is avoided.
In another embodiment, the analyzing the signal strength status information to obtain the average signal strength value and the signal strength change rate value of all the bluetooth signals obtained by the identifying in the preset time interval respectively includes:
step S1, obtaining the average signal intensity value of all Bluetooth signals in a preset time interval by using the following formula (1),
in the above-mentioned formula (1),representing the average signal intensity value of the identified a-th Bluetooth signal in a preset time interval; n_a represents the total number of signal intensities of the a-th Bluetooth signals acquired in a preset time interval; e_a (k) represents the kth signal strength of the (a) th Bluetooth signal acquired in a preset time interval; />Representing the minimum signal intensity of an a-th Bluetooth signal acquired in a preset time interval; />Representing the maximum value of the signal intensity of the a-th Bluetooth signal acquired in a preset time interval;
step S2, obtaining the average signal strength change rate value of all Bluetooth signals in a preset time interval by using the following formula (2),
in the above formula (2),representing the average signal strength change rate value of the identified a-th Bluetooth signal in a preset time interval; t represents a preset time interval;
Step S3, utilizing the following formula (3), according to the average signal strength change rate value and the head-to-tail signal strength of all the Bluetooth signals in the preset time interval respectively obtained by recognition, the final signal strength change rate value of all the Bluetooth signals in the preset time interval respectively obtained,
in the above formula (3), b_a represents the final signal strength change rate value of the a-th bluetooth signal in a preset time interval.
The beneficial effects of the embodiment are that the average signal intensity value of all Bluetooth signals in the preset time interval is obtained by utilizing the formula (1), so that the maximum and minimum values are removed, and the obtained average is more persuasive; obtaining average signal intensity change rate values of all Bluetooth signals in a preset time interval respectively by utilizing the formula (2), and further averaging the change rate of each stage, so that the local change condition in the preset time can be reflected; and then, utilizing the formula (3), according to the average signal intensity change rate value and the head-to-tail signal intensity of all the Bluetooth signals in the preset time interval, which are obtained by identification, the final signal intensity change rate value of all the Bluetooth signals in the preset time interval is obtained, and further, the comprehensive calculation is carried out by combining the overall change condition of the change rate, so that the system accuracy can be ensured.
In another embodiment, signal positioning identification is performed on all bluetooth signals in a stable state, user equipment corresponding to all bluetooth signals in the stable state is determined, and equipment attribute information corresponding to all user equipment is acquired; selecting a plurality of user equipments capable of simultaneously performing bluetooth connection with the service equipment from all the user equipments based on the equipment attribute information, and authenticating the selected plurality of user equipments, comprising:
carrying out signal azimuth positioning identification on all Bluetooth signals in a stable state, determining the relative azimuth information of user equipment corresponding to all the Bluetooth signals in the stable state and the service equipment, and acquiring the equipment identity information corresponding to all the user equipment;
determining all user equipment positioned in the same azimuth range as a plurality of user equipment capable of simultaneously carrying out Bluetooth connection with the service equipment based on the relative azimuth information and equipment identity information of all user equipment and the service equipment; comparing the equipment identity information of a plurality of user equipment which can be connected with the service equipment through Bluetooth with the equipment identity white list of the service equipment, and if the equipment identity information exists in the equipment identity white list, determining that the authentication of the corresponding user equipment is successful; otherwise, determining that authentication of the corresponding user equipment fails.
The method and the device have the advantages that signal azimuth positioning identification is conducted on all Bluetooth signals in a stable state, relative azimuth information of the user equipment corresponding to all Bluetooth signals in the stable state and the service equipment is determined, so that corresponding user equipment in the surrounding environment of the service equipment is positioned, all user equipment in the same azimuth range is subsequently determined to be a plurality of user equipment capable of being connected with the service equipment in Bluetooth mode, synchronous Bluetooth connection between the service equipment and the multi-user equipment is achieved, and Bluetooth connection efficiency of the service equipment and the user equipment is improved. In addition, the device identity information of a plurality of user devices which can be connected with the service device through Bluetooth is compared with the device identity white list of the service device, the user devices are subjected to security authentication, only the user devices which are successfully authenticated can be connected with the service device, and Bluetooth connection security of the user devices and the service device is improved.
In another embodiment, based on the result of the authentication, constructing a bluetooth distribution network connection between the service device and a plurality of corresponding user devices; based on the Bluetooth data transmission attribute information of all user equipment connected with the current distribution network and the service equipment, determining the Bluetooth data receiving state of the service equipment on all user equipment connected with the current distribution network, wherein the Bluetooth data receiving state comprises the following steps:
Based on the Bluetooth signal channels corresponding to all user equipment which is successfully authenticated, constructing Bluetooth distribution network connection between the service equipment and all user equipment which is successfully authenticated;
acquiring the bit quantity to be transmitted of Bluetooth data of all user equipment connected with the current distribution network and the service equipment, and determining the Bluetooth data receiving sequence of the service equipment to all user equipment connected with the current distribution network based on the sequence of the bit quantity to be transmitted of the Bluetooth data from small to large; and stopping the Bluetooth distribution network connection between the service equipment and the corresponding user equipment after the service equipment completes the Bluetooth data receiving of any user equipment connected with the current distribution network.
The method has the beneficial effects that based on the Bluetooth signal channels corresponding to all user equipment with successful authentication, bluetooth distribution network connection of the service equipment and all user equipment with successful authentication is constructed, and synchronous Bluetooth connection between the service equipment and a plurality of user equipment is realized. In addition, the bit quantity to be transmitted of the Bluetooth data of all user equipment connected with the current distribution network and the service equipment is obtained, and the Bluetooth data receiving sequence of the service equipment to all user equipment connected with the current distribution network is determined based on the sequence of the bit quantity to be transmitted of the Bluetooth data from small to large, so that the service equipment can be ensured to receive data from the user equipment quickly and efficiently. After the service equipment completes the Bluetooth data receiving of any one user equipment connected with the current distribution network, the Bluetooth distribution network connection of the service equipment and the corresponding user equipment is stopped, and the Bluetooth connection load of the service equipment can be effectively reduced.
Referring to fig. 2, a bluetooth distribution network docking system for a multi-device scenario according to an embodiment of the present application includes:
the Bluetooth signal detection module is used for carrying out Bluetooth detection on the surrounding environment of the service equipment and identifying Bluetooth signal state information existing in the surrounding environment;
the Bluetooth signal analysis module is used for analyzing the Bluetooth signal state information and screening to obtain all Bluetooth signals in a stable state in the surrounding environment;
the user equipment calibration module is used for carrying out signal positioning identification on all the Bluetooth signals in a stable state, determining the user equipment corresponding to each of all the Bluetooth signals in the stable state, and acquiring the equipment attribute information corresponding to each of all the user equipment;
the user equipment selecting and authenticating module is used for selecting a plurality of user equipment which can be connected with the service equipment at the same time from all the user equipment based on the equipment attribute information and authenticating the selected user equipment;
the distribution network connection module is used for constructing Bluetooth distribution network connection between the service equipment and a plurality of corresponding user equipment based on the authentication result;
and the Bluetooth data receiving control module is used for determining the Bluetooth data receiving state of the service equipment for all the user equipment connected with the current distribution network based on the Bluetooth data transmission attribute information of all the user equipment connected with the current distribution network and the service equipment.
The Bluetooth distribution network docking system for the multi-device scene has the beneficial effects that Bluetooth detection is carried out on the surrounding environment of the service device to obtain Bluetooth signal state information existing in the surrounding environment, so that Bluetooth signals in a stable state are screened, user equipment corresponding to the Bluetooth signals in the stable state is determined, equipment attribute information corresponding to the Bluetooth signals is acquired, and user equipment capable of being connected with the Bluetooth of the service device is accurately determined; authenticating the user equipment, constructing Bluetooth distribution network connection of the service equipment and a plurality of user equipment, and realizing Bluetooth distribution network butt joint of a multi-equipment scene; and determining the Bluetooth data receiving state of the service equipment to all the user equipment connected with the current distribution network based on the Bluetooth data transmission attribute information of all the user equipment connected with the current distribution network, ensuring ordered Bluetooth data transmission between each user equipment and the service equipment, and improving the execution efficiency and convenience of Bluetooth connection.
In another embodiment, the bluetooth signal detection module is configured to perform bluetooth detection on a surrounding environment of a service device, identify bluetooth signal status information existing in the surrounding environment, and include:
Bluetooth scanning detection is carried out on the surrounding environment of the service equipment, and signal intensity state information of all Bluetooth signals existing in the surrounding environment is identified; analyzing the signal strength state information to obtain average signal strength values and signal strength change rate values of all Bluetooth signals obtained through recognition in a preset time interval;
the bluetooth signal analysis module is used for analyzing the bluetooth signal state information, screening and obtaining all bluetooth signals in a stable state in the surrounding environment, and comprises the following steps:
respectively carrying out threshold comparison on the average signal strength value and the signal strength change rate value, and if the average signal strength value is larger than or equal to a preset signal strength threshold value and the signal strength change rate value is smaller than the preset signal strength change rate threshold value, determining that the corresponding Bluetooth signal is in a stable state; and carrying out signal name recognition on all the Bluetooth signals in the stable state to form a signal name catalog of all the Bluetooth signals in the stable state.
The service equipment has the beneficial effects that a plurality of user equipment exist in the environment where the service equipment is located, when the user equipment needs to be connected with the service equipment in a Bluetooth mode, the user equipment can correspondingly enter a Bluetooth working mode and send Bluetooth signals outwards, so that Bluetooth scanning detection is carried out on the surrounding environment of the service equipment, signal intensity state information of all Bluetooth signals existing in the surrounding environment is identified, and quantitative analysis is conveniently carried out on the stable states of the Bluetooth signals generated by each user equipment. Specifically, the average signal strength value and the signal strength change rate value are respectively subjected to threshold comparison, if the average signal strength value is greater than or equal to a preset signal strength threshold value and the signal strength change rate value is smaller than the preset signal strength change rate threshold value, the Bluetooth signals can keep enough signal strength and the drift of the signal strength is smaller, then signal name identification is performed on all Bluetooth signals in a stable state, a signal name catalog of all Bluetooth signals in the stable state is formed, so that service equipment can be connected with user equipment with stable Bluetooth signals, the connection stability and the continuity of the service equipment and the user equipment are improved, and the condition of Bluetooth connection interruption is avoided.
In another embodiment, the user equipment calibration module is configured to perform signal positioning identification on all bluetooth signals in a stable state, determine user equipment corresponding to each of all bluetooth signals in the stable state, and obtain device attribute information corresponding to each of all user equipment, where the method includes:
carrying out signal azimuth positioning identification on all Bluetooth signals in a stable state, determining the relative azimuth information of user equipment corresponding to all the Bluetooth signals in the stable state and the service equipment, and acquiring the equipment identity information corresponding to all the user equipment;
the user equipment selecting and authenticating module is used for selecting a plurality of user equipment which can be connected with the service equipment in Bluetooth mode from all user equipment based on the equipment attribute information, and authenticating the selected user equipment, and comprises the following steps:
determining all user equipment positioned in the same azimuth range as a plurality of user equipment capable of simultaneously carrying out Bluetooth connection with the service equipment based on the relative azimuth information and equipment identity information of all user equipment and the service equipment; comparing the equipment identity information of a plurality of user equipment which can be connected with the service equipment through Bluetooth with the equipment identity white list of the service equipment, and if the equipment identity information exists in the equipment identity white list, determining that the authentication of the corresponding user equipment is successful; otherwise, determining that authentication of the corresponding user equipment fails.
The method and the device have the advantages that signal azimuth positioning identification is conducted on all Bluetooth signals in a stable state, relative azimuth information of the user equipment corresponding to all Bluetooth signals in the stable state and the service equipment is determined, so that corresponding user equipment in the surrounding environment of the service equipment is positioned, all user equipment in the same azimuth range is subsequently determined to be a plurality of user equipment capable of being connected with the service equipment in Bluetooth mode, synchronous Bluetooth connection between the service equipment and the multi-user equipment is achieved, and Bluetooth connection efficiency of the service equipment and the user equipment is improved. In addition, the device identity information of a plurality of user devices which can be connected with the service device through Bluetooth is compared with the device identity white list of the service device, the user devices are subjected to security authentication, only the user devices which are successfully authenticated can be connected with the service device, and Bluetooth connection security of the user devices and the service device is improved.
In another embodiment, the network connection module is configured to construct a bluetooth network connection between the service device and a plurality of corresponding user devices based on the authentication result, including:
based on the Bluetooth signal channels corresponding to all user equipment which is successfully authenticated, constructing Bluetooth distribution network connection between the service equipment and all user equipment which is successfully authenticated;
The bluetooth data receiving control module is configured to determine a bluetooth data receiving state of the service device for all user devices connected to the current distribution network based on bluetooth data transmission attribute information of all user devices connected to the current distribution network and the service device, where the bluetooth data receiving state includes:
acquiring the bit quantity to be transmitted of Bluetooth data of all user equipment connected with the current distribution network and the service equipment, and determining the Bluetooth data receiving sequence of the service equipment to all user equipment connected with the current distribution network based on the sequence of the bit quantity to be transmitted of the Bluetooth data from small to large; and stopping the Bluetooth distribution network connection between the service equipment and the corresponding user equipment after the service equipment completes the Bluetooth data receiving of any user equipment connected with the current distribution network.
The method has the beneficial effects that based on the Bluetooth signal channels corresponding to all user equipment with successful authentication, bluetooth distribution network connection of the service equipment and all user equipment with successful authentication is constructed, and synchronous Bluetooth connection between the service equipment and a plurality of user equipment is realized. In addition, the bit quantity to be transmitted of the Bluetooth data of all user equipment connected with the current distribution network and the service equipment is obtained, and the Bluetooth data receiving sequence of the service equipment to all user equipment connected with the current distribution network is determined based on the sequence of the bit quantity to be transmitted of the Bluetooth data from small to large, so that the service equipment can be ensured to receive data from the user equipment quickly and efficiently. After the service equipment completes the Bluetooth data receiving of any one user equipment connected with the current distribution network, the Bluetooth distribution network connection of the service equipment and the corresponding user equipment is stopped, and the Bluetooth connection load of the service equipment can be effectively reduced.
In general, the Bluetooth distribution network docking method and system for the multi-device scene carry out Bluetooth detection on the surrounding environment of the service device to obtain Bluetooth signal state information existing in the surrounding environment, screen Bluetooth signals in a stable state, determine user equipment corresponding to the Bluetooth signals in the stable state, acquire corresponding device attribute information, and accurately determine user equipment capable of being connected with the Bluetooth of the service device; authenticating the user equipment, constructing Bluetooth distribution network connection of the service equipment and a plurality of user equipment, and realizing Bluetooth distribution network butt joint of a multi-equipment scene; and determining the Bluetooth data receiving state of the service equipment to all the user equipment connected with the current distribution network based on the Bluetooth data transmission attribute information of all the user equipment connected with the current distribution network, ensuring ordered Bluetooth data transmission between each user equipment and the service equipment, and improving the execution efficiency and convenience of Bluetooth connection.
The foregoing is merely one specific embodiment of the invention, and any modifications made in light of the above teachings are intended to fall within the scope of the invention.
Claims (9)
1. The Bluetooth distribution network docking method for the multi-device scene is characterized by comprising the following steps of:
Bluetooth detection is carried out on the surrounding environment of the service equipment, and Bluetooth signal state information existing in the surrounding environment is identified; analyzing the Bluetooth signal state information, and screening to obtain all Bluetooth signals in a stable state in the surrounding environment;
performing signal positioning identification on all Bluetooth signals in a stable state, determining user equipment corresponding to all the Bluetooth signals in the stable state, and acquiring equipment attribute information corresponding to all the user equipment; selecting a plurality of user devices capable of simultaneously performing Bluetooth connection with the service device from all user devices based on the device attribute information, and authenticating the selected plurality of user devices;
based on the authentication result, constructing Bluetooth distribution network connection between the service equipment and a plurality of corresponding user equipment; and determining the Bluetooth data receiving state of the service equipment to all the user equipment connected with the current distribution network based on the Bluetooth data transmission attribute information of all the user equipment connected with the current distribution network and the service equipment.
2. The bluetooth distribution network docking method for a multi-device scenario of claim 1, wherein:
Bluetooth detection is carried out on the surrounding environment of the service equipment, and Bluetooth signal state information existing in the surrounding environment is identified; analyzing the Bluetooth signal state information, screening to obtain all Bluetooth signals in a stable state in the surrounding environment, wherein the method comprises the following steps:
bluetooth scanning detection is carried out on the surrounding environment of the service equipment, and signal intensity state information of all Bluetooth signals existing in the surrounding environment is identified; analyzing the signal intensity state information to obtain average signal intensity values and signal intensity change rate values of all Bluetooth signals obtained through recognition in a preset time interval;
respectively carrying out threshold comparison on the average signal intensity value and the signal intensity change rate value, and if the average signal intensity value is larger than or equal to a preset signal intensity threshold value and the signal intensity change rate value is smaller than the preset signal intensity change rate threshold value, determining that the corresponding Bluetooth signal is in a stable state; and carrying out signal name recognition on all the Bluetooth signals in the stable state to form a signal name catalog of all the Bluetooth signals in the stable state.
3. The bluetooth distribution network docking method for a multi-device scenario of claim 2, wherein:
Analyzing the signal strength state information to obtain average signal strength values and signal strength change rate values of all Bluetooth signals respectively obtained through recognition in a preset time interval, wherein the method comprises the following steps:
step S1, obtaining the average signal intensity value of all Bluetooth signals in a preset time interval by using the following formula (1),
in the above-mentioned formula (1),representing the average signal intensity value of the identified a-th Bluetooth signal in a preset time interval; n_a represents the total number of signal intensities of the a-th Bluetooth signals acquired in a preset time interval; e_a (k) represents the kth signal strength of the (a) th Bluetooth signal acquired in a preset time interval; />Representing the minimum signal intensity of an a-th Bluetooth signal acquired in a preset time interval; />Representing the maximum value of the signal intensity of the a-th Bluetooth signal acquired in a preset time interval;
step S2, obtaining the average signal strength change rate value of all Bluetooth signals in a preset time interval by using the following formula (2),
in the above formula (2),representing the average signal strength change rate value of the identified a-th Bluetooth signal in a preset time interval; t represents a preset time interval;
Step S3, utilizing the following formula (3), according to the average signal strength change rate value and the head-to-tail signal strength of all the Bluetooth signals in the preset time interval respectively obtained by recognition, the final signal strength change rate value of all the Bluetooth signals in the preset time interval respectively obtained,
in the above formula (3), b_a represents the final signal strength change rate value of the a-th bluetooth signal in a preset time interval.
4. The bluetooth distribution network docking method for a multi-device scenario of claim 1, wherein:
performing signal positioning identification on all Bluetooth signals in a stable state, determining user equipment corresponding to all the Bluetooth signals in the stable state, and acquiring equipment attribute information corresponding to all the user equipment; selecting a plurality of user devices capable of simultaneously performing bluetooth connection with the service device from all user devices based on the device attribute information, and authenticating the selected plurality of user devices, including:
carrying out signal azimuth positioning identification on all Bluetooth signals in a stable state, determining the relative azimuth information of user equipment and service equipment corresponding to all the Bluetooth signals in the stable state, and acquiring the equipment identity information corresponding to all the user equipment;
Based on the relative azimuth information and the equipment identity information of all the user equipment and the service equipment, determining all the user equipment positioned in the same azimuth range as a plurality of user equipment capable of simultaneously carrying out Bluetooth connection with the service equipment; comparing equipment identity information of a plurality of user equipment which can be connected with the service equipment through Bluetooth with an equipment identity white list of the service equipment, and if the equipment identity information exists in the equipment identity white list, determining that authentication of the corresponding user equipment is successful; otherwise, determining that authentication of the corresponding user equipment fails.
5. The bluetooth distribution network docking method for a multi-device scenario of claim 1, wherein:
based on the authentication result, constructing Bluetooth distribution network connection between the service equipment and a plurality of corresponding user equipment; based on the Bluetooth data transmission attribute information of all user equipment connected with the current distribution network and the service equipment, determining the Bluetooth data receiving state of the service equipment on all user equipment connected with the current distribution network, wherein the Bluetooth data receiving state comprises the following steps:
based on the Bluetooth signal channels corresponding to all user equipment which is successfully authenticated, constructing Bluetooth distribution network connection between the service equipment and all user equipment which is successfully authenticated;
Acquiring the bit quantity to be transmitted of Bluetooth data of all user equipment connected with the current distribution network and the service equipment, and determining the Bluetooth data receiving sequence of the service equipment on all user equipment connected with the current distribution network based on the sequence of the bit quantity to be transmitted of the Bluetooth data from small to large; and stopping the Bluetooth distribution network connection between the service equipment and the corresponding user equipment after the service equipment completes the Bluetooth data receiving of any user equipment connected with the current distribution network.
6. A bluetooth join in marriage net interfacing system for many device scenes, characterized by comprising:
the Bluetooth signal detection module is used for carrying out Bluetooth detection on the surrounding environment of the service equipment and identifying Bluetooth signal state information existing in the surrounding environment;
the Bluetooth signal analysis module is used for analyzing the Bluetooth signal state information and screening to obtain all Bluetooth signals in a stable state in the surrounding environment;
the user equipment calibration module is used for carrying out signal positioning identification on all the Bluetooth signals in a stable state, determining the user equipment corresponding to each of all the Bluetooth signals in the stable state, and acquiring the equipment attribute information corresponding to each of all the user equipment;
The user equipment selecting and authenticating module is used for selecting a plurality of user equipment which can be connected with the service equipment at the same time from all the user equipment based on the equipment attribute information and authenticating the selected user equipment;
the distribution network connection module is used for constructing Bluetooth distribution network connection between the service equipment and a plurality of corresponding user equipment based on the authentication result;
and the Bluetooth data receiving control module is used for determining the Bluetooth data receiving state of the service equipment for all the user equipment connected with the current distribution network based on the Bluetooth data transmission attribute information of all the user equipment connected with the current distribution network and the service equipment.
7. The bluetooth distribution network docking system for a multi-device scenario of claim 6, wherein:
the bluetooth signal detection module is used for carrying out bluetooth detection on the surrounding environment of service equipment, and identifying the bluetooth signal state information existing in the surrounding environment, and comprises the following steps:
bluetooth scanning detection is carried out on the surrounding environment of the service equipment, and signal intensity state information of all Bluetooth signals existing in the surrounding environment is identified; analyzing the signal intensity state information to obtain average signal intensity values and signal intensity change rate values of all Bluetooth signals obtained through recognition in a preset time interval;
The Bluetooth signal analysis module is used for analyzing the Bluetooth signal state information, screening and obtaining all Bluetooth signals in a stable state in the surrounding environment, and comprises the following steps:
respectively carrying out threshold comparison on the average signal intensity value and the signal intensity change rate value, and if the average signal intensity value is larger than or equal to a preset signal intensity threshold value and the signal intensity change rate value is smaller than the preset signal intensity change rate threshold value, determining that the corresponding Bluetooth signal is in a stable state; and carrying out signal name recognition on all the Bluetooth signals in the stable state to form a signal name catalog of all the Bluetooth signals in the stable state.
8. The bluetooth distribution network docking system for a multi-device scenario of claim 6, wherein:
the user equipment calibration module is used for carrying out signal positioning identification on all the Bluetooth signals in a stable state, determining the user equipment corresponding to all the Bluetooth signals in the stable state, and acquiring the equipment attribute information corresponding to all the user equipment, and comprises the following steps:
carrying out signal azimuth positioning identification on all Bluetooth signals in a stable state, determining the relative azimuth information of user equipment and service equipment corresponding to all the Bluetooth signals in the stable state, and acquiring the equipment identity information corresponding to all the user equipment;
The user equipment selecting and authenticating module is used for selecting a plurality of user equipment which can be connected with the service equipment in Bluetooth mode from all user equipment based on the equipment attribute information, and authenticating the selected user equipment, and comprises the following steps:
based on the relative azimuth information and the equipment identity information of all the user equipment and the service equipment, determining all the user equipment positioned in the same azimuth range as a plurality of user equipment capable of simultaneously carrying out Bluetooth connection with the service equipment; comparing equipment identity information of a plurality of user equipment which can be connected with the service equipment through Bluetooth with an equipment identity white list of the service equipment, and if the equipment identity information exists in the equipment identity white list, determining that authentication of the corresponding user equipment is successful; otherwise, determining that authentication of the corresponding user equipment fails.
9. The bluetooth distribution network docking system for a multi-device scenario of claim 6, wherein:
the network distribution connection module is configured to construct a bluetooth network distribution connection between the service device and a plurality of corresponding user devices based on the authentication result, and includes:
Based on the Bluetooth signal channels corresponding to all user equipment which is successfully authenticated, constructing Bluetooth distribution network connection between the service equipment and all user equipment which is successfully authenticated;
the bluetooth data receiving control module is configured to determine a bluetooth data receiving state of the service device for all user devices connected to the current distribution network based on bluetooth data transmission attribute information of all user devices connected to the current distribution network and the service device, where the bluetooth data receiving control module includes:
acquiring the bit quantity to be transmitted of Bluetooth data of all user equipment connected with the current distribution network and the service equipment, and determining the Bluetooth data receiving sequence of the service equipment on all user equipment connected with the current distribution network based on the sequence of the bit quantity to be transmitted of the Bluetooth data from small to large; and stopping the Bluetooth distribution network connection between the service equipment and the corresponding user equipment after the service equipment completes the Bluetooth data receiving of any user equipment connected with the current distribution network.
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