CN112866926A - Method for improving reliability of Bluetooth connection in Bluetooth time-sharing broadcast - Google Patents
Method for improving reliability of Bluetooth connection in Bluetooth time-sharing broadcast Download PDFInfo
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- CN112866926A CN112866926A CN202110022173.3A CN202110022173A CN112866926A CN 112866926 A CN112866926 A CN 112866926A CN 202110022173 A CN202110022173 A CN 202110022173A CN 112866926 A CN112866926 A CN 112866926A
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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
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
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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
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/14—Direct-mode setup
Abstract
The invention discloses a method for improving Bluetooth connection reliability in Bluetooth time-sharing broadcast, which comprises the steps of monitoring Bluetooth broadcast and calculating a broadcast period, calculating next broadcast time and waiting time according to the current latest broadcast time, prompting a user in a visual mode, and initiating a connection request and waiting for a connection result when the Bluetooth is about to start broadcast. The invention prolongs the broadcast period under the condition of keeping the broadcast time occupation ratio unchanged, simultaneously monitors the broadcast signals in real time, calculates the next broadcast time, reminds the user in a visual, audible and recognizable mode such as animation, characters, sound and the like, and synchronously sends out the connection request when the broadcast signals are about to be sent by applying the APP, thereby keeping the time synchronization of the connection request and the broadcast signals, ensuring that effective connection can be established during the broadcast period, avoiding a series of problems of connection overtime, connection incapability and the like caused by signal loss, and improving the connection reliability and the communication quality.
Description
Technical Field
The invention relates to a method for improving the reliability of Bluetooth connection in Bluetooth time-sharing broadcast.
Background
With the development of the internet of things and communication technology, the bluetooth protocol is more and more widely applied to various internet of things devices and miniature low-power-consumption devices as a short-range communication protocol. However, in a micro bluetooth low energy device, especially a portable or mobile device, a battery is mostly used as a power source, in order to reduce power consumption as much as possible and prolong the working time of the device, the bluetooth device mostly uses an intermittent broadcasting mechanism, is in a deep sleep state at an idle time, and wakes up the bluetooth device to perform broadcasting and data transmission when data transmission is needed.
As shown in fig. 1, during bluetooth time division broadcasting, the bluetooth broadcasting frequency and the broadcasting duration are fixed, and in general, the broadcasting frequency is low and the bluetooth sleep duration is much longer than the broadcasting duration. However, most of bluetooth connections are initiated by users through APPs, so connection request time has uncertainty, and meanwhile, connection sockets and handshake signals must be acquired during connection, but because bluetooth broadcast duration is short and broadcast frequency is low, the maximum waiting duration of APP connection is often exceeded, resulting in connection timeout errors. Frequent connection timeout not only greatly reduces user experience, but also often causes that the bluetooth device cannot adapt to application scenes due to the fact that data cannot be sent and received in time.
According to the analysis of the general connection principle of the traditional bluetooth, the traditional connection mode has the following defects in the bluetooth time-sharing broadcast scene:
1. the connection waiting time is long, and the overtime error frequency is high.
APP or other application programs set the communication connection waiting time to be short due to much attention of user experience, so that Bluetooth broadcast signals cannot be effectively captured, and connection timeout errors are caused frequently.
2. The connection availability is poor.
Even though the APP can capture the bluetooth broadcast signal in the connection process, information such as handshake signals or keys needs to be exchanged before a real effective connection is established, and because the broadcast duration is short, the broadcast device often enters a sleep state again before a connecting party makes an effective response, resulting in a connection failure.
3. The user experience is poor.
The application needs to monitor and wait for the broadcast signal in the connection process, but the broadcast frequency is low, so that the waiting time of the user is long, and the application often shows phenomena of slowness, jamming, no response, frequent timeout errors and the like, so that the use experience of the user is reduced.
Disclosure of Invention
The invention aims to solve the technical problem of improving the reliability of Bluetooth connection in Bluetooth time-sharing broadcast, which is to prolong the broadcast period and calculate the next broadcast time in a mode of monitoring broadcast signals in real time under the condition of keeping the broadcast time occupation unchanged, remind a user in a visual, audible and recognizable mode of animation, characters, sound and the like, synchronously send a connection request when the broadcast signals are about to be sent by applying an APP (application), so that the connection request and the broadcast signals keep time synchronization, ensure that effective connection can be established in the broadcast period, avoid a series of problems of connection overtime, connection incapability and the like caused by signal loss, and improve the connection reliability and the communication quality.
The invention is realized by the following technical scheme: a method for improving the reliability of Bluetooth connection in Bluetooth time-sharing broadcast comprises the following steps: monitoring Bluetooth broadcast and calculating a broadcast period, secondly, calculating next broadcast time and waiting time according to the current latest broadcast time, thirdly, prompting a user in a visual mode, and fourthly, initiating a connection request and waiting for a connection result when the Bluetooth is about to start broadcasting.
As an optimal technical scheme, the specific process of monitoring the bluetooth broadcast and calculating the broadcast period comprises the following steps:
the sending time of the bluetooth broadcast packet can be obtained by monitoring the bluetooth broadcast signal, the bluetooth broadcast period can be calculated by continuously monitoring the sending times of two broadcast packets, and assuming that the time when the first broadcast packet is received is T1 and the time when the second broadcast packet is received is T2, the broadcast period T is T2-T1.
As a preferred technical solution, the specific process of calculating the next broadcast time and the waiting time according to the current latest broadcast time is as follows:
by continuously monitoring the Bluetooth broadcast signals, the latest current broadcast time can be obtained and recorded as T, and the next broadcast time T is recorded by combining with the broadcast period TnAssuming that the current time is T0, T + TT time for waiting for next broadcast signalw＝tn-t0。
As a preferred technical solution, the specific process of prompting the user in a visual manner is as follows:
calculating the waiting time T of the next broadcast signalwAnd then, the user can be reminded in a visual mode, for example, a chart mode which can reflect time change is adopted through a countdown clock, a progress bar and the like, so that the application friendliness is improved, and the phenomena of blocking and the like are avoided.
As a preferred technical solution, a specific process of initiating a connection request and waiting for a connection result when bluetooth is about to start broadcasting is as follows:
when the broadcast is about to start, for example, the distance from the broadcast signal is less than 1-2 seconds, the APP application can automatically initiate a connection request, and since the connection request and the broadcast signal are kept synchronous in time, the bluetooth device has enough time to perform preparation work before connection, such as handshake signal interaction, key exchange, connection confirmation, and the like, so as to ensure successful connection.
As the preferred technical scheme, after the data receiving and sending are finished and the connection is disconnected, the Bluetooth continues to broadcast, and the APP can circulate the process and continue to monitor the Bluetooth broadcast signals so as to calculate the next broadcast time and prepare for connection.
The invention has the beneficial effects that: compared with the traditional connection mode, the invention has the following advantages:
the broadcast time length is increased while the proportion of the broadcast time length to the sleep time length is kept unchanged, no extra energy consumption is increased, and enough time can be ensured for performing operations before connection, such as handshake signal exchange, key exchange and the like during connection after the broadcast time length is increased;
the APP is used for automatically monitoring and calculating the next broadcast time and reminding the user of the current waiting time in real time, so that the APP friendliness and the user experience are improved;
the connection reliability is greatly improved, and connection overtime errors can be basically avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a Bluetooth time-sharing broadcast and connection principle;
fig. 2 is a schematic diagram of a communication connection method in bluetooth time sharing broadcasting according to the present invention.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
In the description of the present invention, it is to be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
Further, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
The use of terms such as "upper," "above," "lower," "below," and the like in describing relative spatial positions herein is for the purpose of facilitating description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly
In the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "sleeved," "connected," "penetrating," "plugged," and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 2, the method for improving the reliability of bluetooth connection in bluetooth time sharing broadcast of the present invention includes the following steps: monitoring Bluetooth broadcast and calculating a broadcast period, secondly, calculating next broadcast time and waiting time according to the current latest broadcast time, thirdly, prompting a user in a visual mode, and fourthly, initiating a connection request and waiting for a connection result when the Bluetooth is about to start broadcasting.
In this embodiment, the specific process of monitoring the bluetooth broadcast and calculating the broadcast period is as follows:
the sending time of the bluetooth broadcast packet can be obtained by monitoring the bluetooth broadcast signal, the bluetooth broadcast period can be calculated by continuously monitoring the sending times of two broadcast packets, and assuming that the time when the first broadcast packet is received is T1 and the time when the second broadcast packet is received is T2, the broadcast period T is T2-T1.
In this embodiment, the specific process of calculating the next broadcast time and the waiting time according to the current latest broadcast time is as follows:
by continuously monitoring the Bluetooth broadcast signals, the latest current broadcast time can be obtained and recorded as T, and the next broadcast time T is recorded by combining with the broadcast period TnAssuming that the current time is T0, the time T needs to wait until the next broadcast signal is T + Tw＝tn-t0。
In this embodiment, the specific process of prompting the user in a visual manner is as follows:
calculating the waiting time T of the next broadcast signalwAnd then, the user can be reminded in a visual mode, for example, a chart mode which can reflect time change is adopted through a countdown clock, a progress bar and the like, so that the application friendliness is improved, and the phenomena of blocking and the like are avoided.
In this embodiment, the specific process of initiating a connection request and waiting for a connection result when bluetooth is about to start broadcasting is as follows:
when the broadcast is about to start, for example, the distance from the broadcast signal is less than 1-2 seconds, the APP application can automatically initiate a connection request, and since the connection request and the broadcast signal are kept synchronous in time, the bluetooth device has enough time to perform preparation work before connection, such as handshake signal interaction, key exchange, connection confirmation, and the like, so as to ensure successful connection.
Finally, when the data receiving and sending are finished and the connection is disconnected, the Bluetooth continues to broadcast, the APP can circulate the above process and continue to monitor the Bluetooth broadcast signals so as to calculate the next broadcast time and prepare for connection.
The invention has the beneficial effects that: compared with the traditional connection mode, the invention has the following advantages:
the broadcast time length is increased while the proportion of the broadcast time length to the sleep time length is kept unchanged, no extra energy consumption is increased, and enough time can be ensured for performing operations before connection, such as handshake signal exchange, key exchange and the like during connection after the broadcast time length is increased;
the APP is used for automatically monitoring and calculating the next broadcast time and reminding the user of the current waiting time in real time, so that the APP friendliness and the user experience are improved;
the connection reliability is greatly improved, and connection overtime errors can be basically avoided.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (6)
1. A method for improving the reliability of Bluetooth connection in Bluetooth time-sharing broadcast is characterized in that: the method comprises the following steps: monitoring Bluetooth broadcast and calculating a broadcast period, secondly, calculating next broadcast time and waiting time according to the current latest broadcast time, thirdly, prompting a user in a visual mode, and fourthly, initiating a connection request and waiting for a connection result when the Bluetooth is about to start broadcasting.
2. The method for improving the reliability of the bluetooth connection in the bluetooth time sharing broadcasting as claimed in claim 1, wherein: the specific process of monitoring the Bluetooth broadcast and calculating the broadcast period comprises the following steps:
the sending time of the bluetooth broadcast packet can be obtained by monitoring the bluetooth broadcast signal, the bluetooth broadcast period can be calculated by continuously monitoring the sending times of two broadcast packets, and assuming that the time when the first broadcast packet is received is T1 and the time when the second broadcast packet is received is T2, the broadcast period T is T2-T1.
3. The method for improving the reliability of the bluetooth connection in the bluetooth time sharing broadcasting as claimed in claim 1, wherein: the specific process of calculating the next broadcast time and the waiting time according to the current latest broadcast time comprises the following steps:
by continuously monitoring the Bluetooth broadcast signals, the latest current broadcast time can be obtained and recorded as T, and the next broadcast time T is recorded by combining with the broadcast period TnT + T, assuming the current time is T0, then the distanceT time for waiting for next broadcast signalw＝tn-t0。
4. The method for improving the reliability of the bluetooth connection in the bluetooth time sharing broadcasting as claimed in claim 1, wherein: the specific process of prompting the user in a visual mode is as follows:
calculating the waiting time T of the next broadcast signalwAnd then, the user can be reminded in a visual mode, for example, a chart mode which can reflect time change is adopted through a countdown clock, a progress bar and the like, so that the application friendliness is improved, and the phenomena of blocking and the like are avoided.
5. The method for improving the reliability of the bluetooth connection in the bluetooth time sharing broadcasting as claimed in claim 1, wherein: the specific process of initiating a connection request and waiting for a connection result when the bluetooth is about to start broadcasting is as follows:
when the broadcast is about to start, for example, the distance from the broadcast signal is less than 1-2 seconds, the APP application can automatically initiate a connection request, and since the connection request and the broadcast signal are kept synchronous in time, the bluetooth device has enough time to perform preparation work before connection, such as handshake signal interaction, key exchange, connection confirmation, and the like, so as to ensure successful connection.
6. The method for improving the reliability of the bluetooth connection in the bluetooth time sharing broadcasting as claimed in claim 1, wherein: after the data receiving and sending finishes the disconnection, the Bluetooth continues broadcasting, the APP can circulate the above process and continue monitoring the Bluetooth broadcast signals so as to calculate the next broadcast time and prepare for connection.
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Cited By (3)
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| CN113965895A (en) * | 2021-12-16 | 2022-01-21 | 深圳市晨北科技有限公司 | Bluetooth connection switching method, equipment and storage medium |
| CN117135600A (en) * | 2023-02-10 | 2023-11-28 | 荣耀终端有限公司 | Bluetooth broadcast request processing method and device |
| CN117527465A (en) * | 2023-12-21 | 2024-02-06 | 广州控立得智能科技有限公司 | Household state information supervision system and method based on Bluetooth broadcast |
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