CN108551669B - Method and terminal for determining residence channel of Bluetooth device - Google Patents
Method and terminal for determining residence channel of Bluetooth device Download PDFInfo
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- CN108551669B CN108551669B CN201810292283.XA CN201810292283A CN108551669B CN 108551669 B CN108551669 B CN 108551669B CN 201810292283 A CN201810292283 A CN 201810292283A CN 108551669 B CN108551669 B CN 108551669B
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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
- H04W74/00—Wireless channel access, e.g. scheduled or random access
- H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
- H04W74/0833—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a random access procedure
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
Abstract
The embodiment of the invention discloses a method, a terminal and a computer readable storage medium for determining a resident channel of a Bluetooth device, wherein the method comprises the following steps: determining that the Bluetooth equipment detects all wireless channels which can be used by the Bluetooth equipment when the Bluetooth equipment starts to operate; when idle channels exist in all wireless channels which can be used by the Bluetooth equipment, evaluating the channel quality of each idle channel according to a preset channel quality evaluation method; when determining that idle channels with channel quality evaluation results meeting preset first access conditions exist, selecting a resident channel of the Bluetooth equipment from the idle channels with the channel quality evaluation results meeting the preset first access conditions; therefore, the idle channel with the channel quality meeting the access condition can be selected to reside when the Bluetooth device is started, and the interference of external same-frequency devices during communication of the Bluetooth device can be avoided.
Description
Technical Field
The present invention relates to bluetooth connection technology, and more particularly, to a method, a terminal, and a computer-readable storage medium for determining a bluetooth device park channel.
Background
Currently, for bluetooth devices, the interconnection can be realized by using bluetooth wireless connection technology; the wireless characteristics of bluetooth devices such as bluetooth headsets make the applications of bluetooth devices become more and more extensive, however, the working frequency (usually 2.4GHz) of bluetooth devices is closer to the frequency of WiFi signals or the working frequency of microwave ovens, so that the communication of bluetooth devices is easily interfered by the outside world; for example, bluetooth headsets often emit noise when subjected to external interference.
Disclosure of Invention
In order to solve the above technical problem, embodiments of the present invention provide a method, a terminal, and a computer-readable storage medium for determining a bluetooth device residence channel, which are used to solve the problem that a bluetooth device is susceptible to external interference during communication, and may select an idle channel with the best channel quality to reside when the bluetooth device is turned on.
In order to achieve the above purpose, the technical solution of the embodiment of the present invention is realized as follows:
the embodiment of the invention provides a method for determining a resident channel of Bluetooth equipment, which comprises the following steps:
determining that a Bluetooth device detects all wireless channels which can be used by the Bluetooth device when the Bluetooth device starts to operate;
when idle channels exist in all wireless channels which can be used by the Bluetooth equipment, evaluating the channel quality of each idle channel according to a preset channel quality evaluation method;
and when determining that idle channels with channel quality evaluation results meeting preset first access conditions exist, selecting a resident channel of the Bluetooth equipment from the idle channels with the channel quality evaluation results meeting the preset first access conditions.
Optionally, after evaluating the channel quality of each idle channel, the method further includes:
and when all adjacent channels of the ith idle channel are idle channels, determining that the channel quality evaluation result of the ith idle channel meets a preset first access condition, wherein i is an integer greater than or equal to 1.
Optionally, the selecting a resident channel of the bluetooth device from idle channels whose channel quality evaluation results satisfy a preset first access condition includes:
based on the weight of various specific attributes of each idle channel of which the channel quality evaluation result meets the preset first access condition, performing weighted calculation on various specific attributes of each idle channel of which the channel quality evaluation result meets the preset first access condition to obtain a corresponding weighted calculation result; the specific attribute is a preset attribute for evaluating the channel quality;
and determining the idle channel with the maximum weighting calculation result as the resident channel of the Bluetooth equipment in the idle channels with the channel quality evaluation results meeting the preset first access conditions.
Optionally, the method further includes:
determining that no idle channel with a channel quality evaluation result meeting a preset first access condition exists, and determining that the channel quality evaluation result of a jth idle channel meets a preset second access condition when one adjacent channel of the jth idle channel is an idle channel and the other adjacent channel of the jth idle channel is a non-idle channel, wherein j is an integer greater than or equal to 1;
and selecting a resident channel of the Bluetooth equipment from idle channels with channel quality evaluation results meeting preset second access conditions.
Optionally, the selecting a resident channel of the bluetooth device from idle channels whose channel quality evaluation results satisfy a preset second access condition includes:
based on the weights of various specific attributes of each idle channel of which the channel quality evaluation result meets the preset second access condition, performing weighted calculation on various specific attributes of each idle channel of which the channel quality evaluation result meets the preset second access condition to obtain a corresponding weighted calculation result; the specific attribute is a preset attribute for evaluating the channel quality;
and determining the idle channel with the maximum weighting calculation result as the resident channel of the Bluetooth equipment in the idle channels with the channel quality evaluation results meeting the preset second access conditions.
Optionally, the method further includes:
when determining that no idle channel with a channel quality evaluation result meeting a preset first access condition or a preset second access condition exists and all adjacent channels of a kth idle channel are non-idle channels, determining that the channel quality evaluation result of the kth idle channel meets a preset third access condition, wherein k is an integer greater than or equal to 1;
and selecting a resident channel of the Bluetooth equipment from idle channels with channel quality evaluation results meeting preset third access conditions.
Optionally, the selecting a resident channel of the bluetooth device from idle channels whose channel quality evaluation results satisfy a preset third access condition includes:
based on the weights of various specific attributes of each idle channel of which the channel quality evaluation result meets the preset third access condition, performing weighted calculation on the various specific attributes of each idle channel of which the channel quality evaluation result meets the preset third access condition to obtain a corresponding weighted calculation result; the specific attribute is a preset attribute for evaluating the channel quality;
and determining the idle channel with the maximum weighting calculation result as the resident channel of the Bluetooth equipment in the idle channels with the channel quality evaluation results meeting the preset third access conditions.
Optionally, the specific attribute is one of the following: channel capacity, channel bandwidth, a value representing a channel coding scheme, a value representing channel penetration, and channel transmission distance.
An embodiment of the present invention further provides a terminal, where the terminal includes: a memory, a processor, and a computer program stored on the memory and executable on the processor; wherein the computer program when executed by the processor implements the steps of any of the above methods for determining a bluetooth device park channel.
An embodiment of the present invention further provides a computer-readable storage medium, which is applied in a terminal, and the computer-readable storage medium stores a computer program,
the computer program, when executed by at least one processor, causes the at least one processor to perform the steps of any of the above-described methods of determining a bluetooth device park channel.
In the method, the terminal and the computer-readable storage medium for determining the resident channel of the bluetooth device provided by the embodiment of the invention, all wireless channels which can be used by the bluetooth device are detected when the bluetooth device starts to operate are determined; when idle channels exist in all wireless channels which can be used by the Bluetooth equipment, evaluating the channel quality of each idle channel according to a preset channel quality evaluation method; when determining that idle channels with channel quality evaluation results meeting preset first access conditions exist, selecting a resident channel of the Bluetooth equipment from the idle channels with the channel quality evaluation results meeting the preset first access conditions; therefore, the idle channel with the channel quality meeting the access condition can be selected to reside when the Bluetooth device is started, and the interference of external same-frequency devices during communication of the Bluetooth device can be avoided.
Drawings
Fig. 1 is a schematic diagram of a hardware structure of a mobile terminal implementing various embodiments of the present invention;
fig. 2 is a diagram of a communication network system architecture according to an embodiment of the present invention;
fig. 3 is a flowchart of a method for determining a bluetooth device park channel according to an embodiment of the present invention;
FIG. 4 is a schematic interface diagram of a mobile phone with Bluetooth function according to an embodiment of the present invention;
fig. 5 is a schematic diagram of first prompt information displayed on a mobile phone interface in an embodiment of the present invention;
FIG. 6 is a diagram illustrating a second prompt message displayed on the mobile phone interface according to an embodiment of the present disclosure;
fig. 7 is a schematic diagram of a hardware structure of a terminal according to an embodiment of the present invention.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no specific meaning in itself. Thus, "module", "component" or "unit" may be used mixedly.
The terminal may be implemented in various forms. For example, the terminal described in the present invention may include a mobile terminal such as a mobile phone, a tablet computer, a notebook computer, a palmtop computer, a Personal Digital Assistant (PDA), a Portable Media Player (PMP), a navigation device, a wearable device, a smart band, a pedometer, and the like, and a fixed terminal such as a Digital TV, a desktop computer, and the like.
The following description will be given by way of example of a mobile terminal, and it will be understood by those skilled in the art that the construction according to the embodiment of the present invention can be applied to a fixed type terminal, in addition to elements particularly used for mobile purposes.
Referring to fig. 1, which is a schematic diagram of a hardware structure of a mobile terminal for implementing various embodiments of the present invention, the mobile terminal 100 may include: RF (Radio Frequency) unit 101, WiFi module 102, audio output unit 103, a/V (audio/video) input unit 104, display unit 106, user input unit 107, interface unit 108, memory 109, processor 110, and power supply 111. Those skilled in the art will appreciate that the mobile terminal architecture shown in fig. 1 is not intended to be limiting of mobile terminals, which may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
The following describes each component of the mobile terminal in detail with reference to fig. 1:
the radio frequency unit 101 may be configured to receive and transmit signals during information transmission and reception or during a call, and specifically, receive downlink information of a base station and then process the downlink information to the processor 110; in addition, the uplink data is transmitted to the base station. Typically, radio frequency unit 101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 101 can also communicate with a network and other devices through wireless communication. The wireless communication may use any communication standard or protocol, including but not limited to GSM (Global System for Mobile communications), GPRS (General Packet Radio Service), CDMA2000(Code Division Multiple Access 2000), WCDMA (Wideband Code Division Multiple Access), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access), FDD-LTE (Frequency Division duplex Long Term Evolution), and TDD-LTE (Time Division duplex Long Term Evolution).
WiFi belongs to short-distance wireless transmission technology, and the mobile terminal can help a user to receive and send e-mails, browse webpages, access streaming media and the like through the WiFi module 102, and provides wireless broadband internet access for the user. Although fig. 1 shows the WiFi module 102, it is understood that it does not belong to the essential constitution of the mobile terminal, and may be omitted entirely as needed within the scope not changing the essence of the invention.
The audio output unit 103 may convert audio data received by the radio frequency unit 101 or the WiFi module 102 or stored in the memory 109 into an audio signal and output as sound when the mobile terminal 100 is in a call signal reception mode, a call mode, a recording mode, a voice recognition mode, a broadcast reception mode, or the like. Also, the audio output unit 103 may also provide audio output related to a specific function performed by the mobile terminal 100 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 103 may include a speaker, a buzzer, and the like.
The a/V input unit 104 is used to receive audio or video signals. The a/V input Unit 104 may include a Graphics Processing Unit (GPU) 1041 and a microphone 1042, the Graphics processor 1041 Processing image data of still pictures or video obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 106. The image frames processed by the graphic processor 1041 may be stored in the memory 109 (or other storage medium) or transmitted via the radio frequency unit 101 or the WiFi module 102. The microphone 1042 may receive sounds (audio data) via the microphone 1042 in a phone call mode, a recording mode, a voice recognition mode, or the like, and may be capable of processing such sounds into audio data. The processed audio (voice) data may be converted into a format output transmittable to a mobile communication base station via the radio frequency unit 101 in case of a phone call mode. The microphone 1042 may implement various types of noise cancellation (or suppression) algorithms to cancel (or suppress) noise or interference generated in the course of receiving and transmitting audio signals.
The display unit 106 is used to display information input by a user or information provided to the user. The Display unit 106 may include a Display panel 1061, and the Display panel 1061 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.
The user input unit 107 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the mobile terminal. Specifically, the user input unit 107 may include a touch panel 1071 and other input devices 1072. The touch panel 1071, also referred to as a touch screen, may collect a touch operation performed by a user on or near the touch panel 1071 (e.g., an operation performed by the user on or near the touch panel 1071 using a finger, a stylus, or any other suitable object or accessory), and drive a corresponding connection device according to a predetermined program. The touch panel 1071 may include two parts of a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 110, and can receive and execute commands sent by the processor 110. In addition, the touch panel 1071 may be implemented in various types, such as a resistive type, a capacitive type, an infrared ray, and a surface acoustic wave. In addition to the touch panel 1071, the user input unit 107 may include other input devices 1072. In particular, other input devices 1072 may include, but are not limited to, one or more of a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like, and are not limited to these specific examples.
Further, the touch panel 1071 may cover the display panel 1061, and when the touch panel 1071 detects a touch operation thereon or nearby, the touch panel 1071 transmits the touch operation to the processor 110 to determine the type of the touch event, and then the processor 110 provides a corresponding visual output on the display panel 1061 according to the type of the touch event. Although the touch panel 1071 and the display panel 1061 are shown in fig. 1 as two separate components to implement the input and output functions of the mobile terminal, in some embodiments, the touch panel 1071 and the display panel 1061 may be integrated to implement the input and output functions of the mobile terminal, and is not limited herein.
The interface unit 108 serves as an interface through which at least one external device is connected to the mobile terminal 100. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 108 may be used to receive input (e.g., data information, power, etc.) from external devices and transmit the received input to one or more elements within the mobile terminal 100 or may be used to transmit data between the mobile terminal 100 and external devices.
The memory 109 may be used to store software programs as well as various data. The memory 109 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 109 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
The processor 110 is a control center of the mobile terminal, connects various parts of the entire mobile terminal using various interfaces and lines, and performs various functions of the mobile terminal and processes data by operating or executing software programs and/or modules stored in the memory 109 and calling data stored in the memory 109, thereby performing overall monitoring of the mobile terminal. Processor 110 may include one or more processing units; preferably, the processor 110 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 110.
The mobile terminal 100 may further include a power supply 111 (e.g., a battery) for supplying power to various components, and preferably, the power supply 111 may be logically connected to the processor 110 via a power management system, so as to manage charging, discharging, and power consumption management functions via the power management system.
Although not shown in fig. 1, the mobile terminal 100 may further include a bluetooth module or the like, which is not described in detail herein.
In order to facilitate understanding of the embodiments of the present invention, a communication network system on which the mobile terminal of the present invention is based is described below.
Referring to fig. 2, fig. 2 is an architecture diagram of a communication Network system according to an embodiment of the present invention, where the communication Network system is an LTE system of a universal mobile telecommunications technology, and the LTE system includes a UE (User Equipment) 201, an E-UTRAN (Evolved UMTS Terrestrial Radio Access Network) 202, an EPC (Evolved Packet Core) 203, and an IP service 204 of an operator, which are in communication connection in sequence.
Specifically, the UE201 may be the terminal 100 described above, and is not described herein again.
The E-UTRAN202 includes eNodeB2021 and other eNodeBs 2022, among others. Among them, the eNodeB2021 may be connected with other eNodeB2022 through backhaul (e.g., X2 interface), the eNodeB2021 is connected to the EPC203, and the eNodeB2021 may provide the UE201 access to the EPC 203.
The EPC203 may include an MME (Mobility Management Entity) 2031, an HSS (Home Subscriber Server) 2032, other MMEs 2033, an SGW (Serving gateway) 2034, a PGW (PDN gateway) 2035, and a PCRF (Policy and Charging Rules Function) 2036, and the like. The MME2031 is a control node that handles signaling between the UE201 and the EPC203, and provides bearer and connection management. HSS2032 is used to provide registers to manage functions such as home location register (not shown) and holds subscriber specific information about service characteristics, data rates, etc. All user data may be sent through SGW2034, PGW2035 may provide IP address assignment for UE201 and other functions, and PCRF2036 is a policy and charging control policy decision point for traffic data flow and IP bearer resources, which selects and provides available policy and charging control decisions for a policy and charging enforcement function (not shown).
The IP services 204 may include the internet, intranets, IMS (IP Multimedia Subsystem), or other IP services, among others.
Although the LTE System is described as an example, it should be understood by those skilled in the art that the present invention is not limited to the LTE System, but may be applied to other wireless communication systems, such as GSM (Global System for Mobile communication), GPRS (General Packet Radio Service), CDMA2000(Code Division Multiple Access 2000), WCDMA (Wideband Code Division Multiple Access), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access), and future new network systems, and the like.
Based on the above mobile terminal hardware structure and communication network system, the present invention provides various embodiments of the method.
First embodiment
For the problem that the communication of the bluetooth device is easily interfered by the outside world, one implementation scheme is as follows: for bluetooth equipment and other co-frequency equipment working in a 2.4G frequency band, a plurality of non-repetitive channels are shared under the 2.4G frequency band, for example, 13 non-repetitive channels are provided; therefore, when a certain bluetooth device performs wireless channel access, it is usually possible to perform selective access among several fixed channels, and if the access of the accessed channels conflicts, another channel is randomly selected for access.
The above channel access scheme for the bluetooth device cannot ensure that the accessed channel is the most suitable channel to be accessed, i.e. the bluetooth device may still access a wireless channel which is easily interfered by the outside world.
For the channel access scheme of the bluetooth device, an embodiment of the present invention further provides a method for determining a bluetooth device parking channel, which may be applied to a bluetooth device or a terminal having a bluetooth device.
Here, the bluetooth device includes, but is not limited to, a bluetooth headset, a bluetooth flash memory, a bluetooth adapter, a bluetooth gateway, a bluetooth car device, and the like. Two bluetooth devices can realize interconnection through bluetooth, and bluetooth device's operating frequency can divide into N radio channel, and N is for being greater than 1 integer.
In one example, the N wireless channels of the operating band of the bluetooth device may be denoted as the 1 st channel to the nth channel in the order of the frequencies from small to large.
In practical implementation, after the bluetooth device is turned on, one of the 1 st channel to the nth channel described above may be selected to reside, and communication with the outside may be implemented based on the channel where the bluetooth device resides.
The above-described terminal may be a fixed terminal such as a computer or a workstation, or may be a mobile terminal such as a mobile phone or a notebook computer.
Optionally, the mobile terminal described above may be connected to the internet, where the connection may be performed through a mobile internet network provided by an operator, or through a network connected to a wireless access point.
Here, if the mobile terminal has an operating system, the operating system may be UNIX, Linux, Windows, Android (Android), Windows Phone, or the like.
The following describes in detail the implementation of the embodiments of the present invention.
Fig. 3 is a flowchart of a method for determining a bluetooth device camping on a channel according to an embodiment of the present invention, and as shown in fig. 3, the flowchart may include:
step 301: it is determined that the bluetooth device starts operating to detect all wireless channels that the bluetooth device can use.
In practical implementation, the bluetooth device may start operating and detect a channel after receiving a turn-on command from the outside.
It will be appreciated that in order for a bluetooth device to start operating, an external device connected to the bluetooth device will also be required to turn on the bluetooth function. For example, for a bluetooth headset, if the bluetooth headset needs to be connected to a mobile phone, the mobile phone is required to turn on the bluetooth function.
Fig. 4 is a schematic interface diagram of the mobile phone in the embodiment of the present invention, where as shown in fig. 4, the bluetooth function is in an open state on the interface of the mobile phone, and paired devices (including device 1 and device 2) are displayed.
Here, each wireless channel that the bluetooth device can use may be an idle channel or may be a non-idle channel (occupied channel), and the purpose of the bluetooth device detecting the channel is to: determining whether each channel is a clear channel or a non-clear channel,
in practical implementation, all wireless channels that can be used by the bluetooth device may be known in advance, for example, all wireless channels that can be used by the bluetooth device may be the 1 st channel to the nth channel described above.
Step 302: and when the idle channels exist in all the wireless channels which can be used by the Bluetooth equipment, evaluating the channel quality of each idle channel according to a preset channel quality evaluation method.
In actual implementation, the channel quality estimation method may be set in advance, and then, the channel quality estimation method may be stored in the bluetooth device or the terminal including the bluetooth device in the form of a computer program.
For example, when the terminal including the bluetooth device is a mobile phone, the channel quality estimation method represented by the computer program may be stored in the mobile phone by using the user input unit or the a/V input unit described above.
It should be noted that, if there is no idle channel in all wireless channels that can be used by the bluetooth device, in an example, one wireless channel may be arbitrarily selected to camp on in all wireless channels that can be used by the bluetooth device; if no idle channel exists in all wireless channels which can be used by the Bluetooth device, in another example, first prompt information can be sent to the user to prompt the user that all the wireless channels which can be used by the Bluetooth device are occupied, and after the user receives the first prompt information, other devices occupying the wireless channels can be closed according to the first prompt information, or other devices occupying the wireless channels are waited to finish working.
The first presentation information described above may be voice presentation information, display presentation information, vibration presentation information, or the like.
For example, when the terminal including the bluetooth device is a mobile phone, the recorded display unit may display corresponding prompt information to the user; fig. 5 is a schematic diagram of first prompt information displayed on a mobile phone interface in an embodiment of the present invention, and as shown in fig. 5, "all wireless channels that can be used by a bluetooth device are occupied" is displayed on the mobile phone interface.
Step 303: and when determining that idle channels with channel quality evaluation results meeting preset first access conditions exist, selecting a resident channel of the Bluetooth equipment from the idle channels with the channel quality evaluation results meeting the preset first access conditions.
In practice, the first access condition may be preset, and then, the first access condition may be stored in the form of a computer program in the bluetooth device or the terminal including the bluetooth device.
Optionally, a channel may be randomly selected as a residential channel of the bluetooth device from idle channels whose channel quality evaluation results satisfy the preset first access condition.
It should be noted that, if there is no idle channel whose channel quality estimation result satisfies the preset first access condition, in an example, a second prompt message may be sent to the user to prompt the user that there is no idle channel whose channel quality estimation result satisfies the preset first access condition.
The second presentation information described above may be voice presentation information, display presentation information, vibration presentation information, or the like.
For example, when the terminal including the bluetooth device is a mobile phone, the recorded display unit may display corresponding prompt information to the user; fig. 6 is a schematic diagram of second prompt information displayed on a mobile phone interface in an embodiment of the present invention, and as shown in fig. 6, "there is no idle channel whose channel quality evaluation result meets a preset first access condition" displayed on the mobile phone interface.
It can be seen that, when the recorded technical scheme is adopted, the idle channel with the channel quality meeting the access condition can be selected to reside when the bluetooth device is started, so that the interference of external same-frequency devices during communication of the bluetooth device can be avoided.
Second embodiment
In order to further embody the object of the present invention, the first embodiment of the present invention is further illustrated.
In a second embodiment of the present invention, a process of a method for determining a bluetooth device parking channel may include:
step A1: it is determined that a bluetooth device starts operating to detect all wireless channels that the bluetooth device can use.
The implementation of step a1 is the same as that of step 301, and is not described here.
Step A2: and when the idle channels exist in all the wireless channels which can be used by the Bluetooth equipment, evaluating the channel quality of each idle channel according to a preset channel quality evaluation method.
In practical application, when there is an idle channel in all wireless channels that can be used by the bluetooth device, the idle channels in all wireless channels that can be used by the bluetooth device may be sequentially recorded as: 1 st idle channel to Mth idle channel, wherein M represents the number of idle channels existing in all wireless channels which can be used by the Bluetooth equipment, and M is an integer greater than or equal to 1.
The implementation of step a2 is the same as that of step 302, and is not described here.
Step A3: and when determining that idle channels with channel quality evaluation results meeting preset first access conditions exist, selecting a resident channel of the Bluetooth equipment from the idle channels with the channel quality evaluation results meeting the preset first access conditions.
Optionally, in the 1 st to mth idle channels, if the channel quality evaluation result of the ith idle channel indicates that: and all adjacent channels of the ith idle channel are idle channels, and determining that the channel quality evaluation result of the ith idle channel meets a preset first access condition, wherein i is 1-M.
It can be understood that the number of adjacent channels of the ith idle channel is 1 or 2, specifically, if the ith idle channel is the above-mentioned 1 st channel, the adjacent channel of the ith idle channel is only the above-mentioned 2 nd channel; if the ith idle channel is the above-mentioned N channel, the adjacent channel of the ith idle channel is only the above-mentioned N-1 channel; if the ith idle channel is the nth channel described above and N is more than or equal to 2 and less than or equal to N-1, the ith idle channel has two adjacent channels.
That is, if the ith idle channel has only one adjacent channel, when the adjacent channel is determined to be an idle channel, determining that the channel quality evaluation result of the ith idle channel meets the preset first access condition; otherwise, if the adjacent channel is determined to be a non-idle channel, determining that the channel quality evaluation result of the ith idle channel does not meet the preset first access condition.
If the ith idle channel has two adjacent channels, determining that the channel quality evaluation result of the ith idle channel meets the preset first access condition only when the two adjacent channels of the ith idle channel are both idle channels; otherwise, determining that the channel quality evaluation result of the ith idle channel does not meet the preset first access condition.
In an optional implementation manner of this step, based on the weights of various specific attributes of each idle channel whose channel quality evaluation result satisfies the preset first access condition, performing weighted calculation on various specific attributes of each idle channel whose channel quality evaluation result satisfies the preset first access condition to obtain a corresponding weighted calculation result; the specific attribute is a preset attribute for evaluating the channel quality;
and determining the idle channel with the maximum weighting calculation result as the resident channel of the Bluetooth equipment in the idle channels with the channel quality evaluation results meeting the preset first access conditions.
Here, the specific attribute may be one of: channel capacity, channel bandwidth, a value representing a channel coding scheme, a value representing channel penetration, and channel transmission distance.
In practical implementation, different values may be used to represent different channel coding modes in advance, or different values may be used to represent different channel penetrability in advance; for channel penetration, a larger value indicates a stronger channel penetration.
Here, the weighting calculation is a weighted sum operation, for example, for an idle channel whose channel quality evaluation result satisfies a preset first access condition, various specific attributes are known in advance, and weights of various specific attributes are set in advance, so that by performing the weighted sum operation on various specific attributes, a weighting calculation result corresponding to the idle channel can be obtained.
In this embodiment, the larger the value of the weighting calculation result is, the better the channel quality of the idle channel is, so that the idle channel with the largest weighting calculation result is determined as the resident channel of the bluetooth device, so that the communication quality of the bluetooth device can be improved.
Third embodiment
In order to further embody the object of the present invention, the foregoing embodiments of the present invention are further illustrated.
In a third embodiment of the present invention, a process of a method for determining a bluetooth device parking channel may include:
step B1: it is determined that a bluetooth device starts operating to detect all wireless channels that the bluetooth device can use.
The implementation of step B1 is the same as that of step 301, and is not described here.
Step B2: and when the idle channels exist in all the wireless channels which can be used by the Bluetooth equipment, evaluating the channel quality of each idle channel according to a preset channel quality evaluation method.
The implementation of step B2 is the same as that of step 302, and is not described here.
Step B3: when determining that no idle channel with the channel quality evaluation result meeting the preset first access condition exists, the channel quality evaluation result of the jth idle channel indicates that: when one adjacent channel of the jth idle channel is an idle channel and the other adjacent channel of the jth idle channel is a non-idle channel, determining that the channel quality evaluation result of the jth idle channel meets a preset second access condition, wherein j is an integer greater than or equal to 1;
that is, in the 1 st to M-th idle channels described above, if the jth idle channel has two adjacent channels, and one of the two adjacent channels of the jth idle channel is an idle channel and the other channel is a non-idle channel, it is determined that the channel quality evaluation result of the jth idle channel satisfies the preset second access condition.
It should be noted that, if the jth idle channel has two adjacent channels, and both of the two adjacent channels of the jth idle channel are non-idle channels, it indicates that the channel quality evaluation result of the jth idle channel does not satisfy the preset second access condition.
Step B4: and selecting a resident channel of the Bluetooth equipment from idle channels with channel quality evaluation results meeting preset second access conditions.
In an optional implementation manner of this step, based on the weights of the various specific attributes of each idle channel whose channel quality estimation result satisfies the preset second access condition, performing weighted calculation on the various specific attributes of each idle channel whose channel quality estimation result satisfies the preset second access condition to obtain a corresponding weighted calculation result; the specific attribute is a preset attribute for evaluating the channel quality;
and determining the idle channel with the maximum weighting calculation result as the resident channel of the Bluetooth equipment in the idle channels with the channel quality evaluation results meeting the preset second access conditions.
Here, the implementation of the specific attribute and the weighting calculation has been described in the foregoing embodiments, and is not described here again.
In this embodiment, the larger the value of the weighting calculation result is, the better the channel quality of the idle channel is, so that the idle channel with the largest weighting calculation result is determined as the resident channel of the bluetooth device, so that the communication quality of the bluetooth device can be improved.
Fourth embodiment
In order to further embody the object of the present invention, the foregoing embodiments of the present invention are further illustrated.
In a fourth embodiment of the present invention, a process of a method for determining a bluetooth device parking channel may include:
step C1: it is determined that a bluetooth device starts operating to detect all wireless channels that the bluetooth device can use.
The implementation of step C1 is the same as that of step 301, and is not described here.
Step C2: and when the idle channels exist in all the wireless channels which can be used by the Bluetooth equipment, evaluating the channel quality of each idle channel according to a preset channel quality evaluation method.
The implementation of step C2 is the same as that of step 302, and is not described here.
Step C3: when determining that no idle channel with the channel quality evaluation result meeting the preset first access condition or the preset second access condition exists, the channel quality evaluation result of the kth idle channel represents that: when all adjacent channels of the kth idle channel are non-idle channels, determining that a channel quality evaluation result of the kth idle channel meets a preset third access condition, wherein k is an integer greater than or equal to 1;
that is to say, in the 1 st to M-th idle channels described above, if all adjacent channels of the k-th idle channel are non-idle channels, it is determined that the channel quality evaluation result of the k-th idle channel satisfies the preset third access condition.
Step C4: and selecting a resident channel of the Bluetooth equipment from idle channels with channel quality evaluation results meeting preset third access conditions.
In an optional implementation manner of this step, based on the weights of the various specific attributes of each idle channel whose channel quality estimation result satisfies the preset third access condition, performing weighted calculation on the various specific attributes of each idle channel whose channel quality estimation result satisfies the preset third access condition to obtain a corresponding weighted calculation result; the specific attribute is a preset attribute for evaluating the channel quality;
and determining the idle channel with the maximum weighting calculation result as the resident channel of the Bluetooth equipment in the idle channels with the channel quality evaluation results meeting the preset third access conditions.
Here, the implementation of the specific attribute and the weighting calculation has been described in the foregoing embodiments, and is not described here again.
In this embodiment, the larger the value of the weighting calculation result is, the better the channel quality of the idle channel is, so that the idle channel with the largest weighting calculation result is determined as the resident channel of the bluetooth device, so that the communication quality of the bluetooth device can be improved.
Fifth embodiment
Based on the same technical concept as the previous embodiments, a fifth embodiment of the present invention provides a terminal, which may include a bluetooth device.
For the problem that the communication of the bluetooth device is easily interfered by the outside world, one implementation scheme is as follows: for bluetooth equipment and other co-frequency equipment working in a 2.4G frequency band, a plurality of non-repetitive channels are shared under the 2.4G frequency band, for example, 13 non-repetitive channels are provided; therefore, when a certain bluetooth device performs wireless channel access, it is usually possible to perform selective access among several fixed channels, and if the access of the accessed channels conflicts, another channel is randomly selected for access.
The above channel access scheme for the bluetooth device cannot ensure that the accessed channel is the most suitable channel to be accessed, i.e. the bluetooth device may still access a wireless channel which is easily interfered by the outside world.
For the channel access scheme of the bluetooth device, an embodiment of the present invention further provides a terminal, where the terminal may include a bluetooth device.
Here, the bluetooth device includes, but is not limited to, a bluetooth headset, a bluetooth flash memory, a bluetooth adapter, a bluetooth gateway, a bluetooth car device, and the like. Two bluetooth devices can realize interconnection through bluetooth, and bluetooth device's operating frequency can divide into N radio channel, and N is for being greater than 1 integer.
In one example, the N wireless channels of the operating band of the bluetooth device may be denoted as the 1 st channel to the nth channel in the order of the frequencies from small to large.
In practical implementation, after the bluetooth device is turned on, one of the 1 st channel to the nth channel described above may be selected to reside, and communication with the outside may be implemented based on the channel where the bluetooth device resides.
The above-described terminal may be a fixed terminal such as a computer or a workstation, or may be a mobile terminal such as a mobile phone or a notebook computer.
Optionally, the mobile terminal described above may be connected to the internet, where the connection may be performed through a mobile internet network provided by an operator, or through a network connected to a wireless access point.
Here, if the mobile terminal has an operating system, the operating system may be UNIX, Linux, Windows, Android (Android), Windows Phone, or the like.
Referring to fig. 7, a terminal 70 according to an embodiment of the present invention is shown, which may include: a second memory 701, a second processor 702, and a computer program stored on said second memory and executable on said second processor, wherein,
the computer program when executed by the second processor implementing the steps of:
determining that a Bluetooth device detects all wireless channels which can be used by the Bluetooth device when the Bluetooth device starts to operate;
when idle channels exist in all wireless channels which can be used by the Bluetooth equipment, evaluating the channel quality of each idle channel according to a preset channel quality evaluation method;
and when determining that idle channels with channel quality evaluation results meeting preset first access conditions exist, selecting a resident channel of the Bluetooth equipment from the idle channels with the channel quality evaluation results meeting the preset first access conditions.
In practical applications, the second Memory 701 may be a volatile Memory (volatile Memory), such as a Random-Access Memory (RAM); or a non-volatile Memory (non-volatile Memory), such as a Read-Only Memory (ROM), a flash Memory (flash Memory), a Hard Disk (HDD), or a Solid-State Drive (SSD); or a combination of the above types of memories and provides instructions and data to the second processor 702.
The second Processor 702 may be at least one of an Application Specific Integrated Circuit (ASIC), a Digital Signal Processor (DSP), a Digital Signal Processing Device (DSPD), a Programmable Logic Device (PLD), a Field Programmable Gate Array (FPGA), a Central Processing Unit (CPU), a controller, a microcontroller, and a microprocessor. It is to be understood that the electronic device for implementing the second processor function may be other electronic devices, and the embodiment of the present invention is not limited in particular.
In practical implementation, the bluetooth device may start operating and detect a channel after receiving a turn-on command from the outside.
It will be appreciated that in order for a bluetooth device to start operating, an external device connected to the bluetooth device will also be required to turn on the bluetooth function. For example, for a bluetooth headset, if the bluetooth headset needs to be connected to a mobile phone, the mobile phone is required to turn on the bluetooth function.
Here, each wireless channel that the bluetooth device can use may be an idle channel or a non-idle channel (occupied channel), and the purpose of the bluetooth device detecting the channel is to: determining whether each channel is a clear channel or a non-clear channel,
in practical implementation, all wireless channels that can be used by the bluetooth device may be known in advance, for example, all wireless channels that can be used by the bluetooth device may be the 1 st channel to the nth channel described above.
In actual implementation, the channel quality estimation method may be set in advance, and then, the channel quality estimation method may be stored in the bluetooth device or the terminal including the bluetooth device in the form of a computer program.
For example, when the terminal including the bluetooth device is a mobile phone, the channel quality estimation method represented by the computer program may be stored in the mobile phone by using the user input unit or the a/V input unit described above.
It should be noted that, if there is no idle channel in all wireless channels that can be used by the bluetooth device, in an example, one wireless channel may be arbitrarily selected to camp on in all wireless channels that can be used by the bluetooth device; if no idle channel exists in all wireless channels which can be used by the Bluetooth device, in another example, first prompt information can be sent to the user to prompt the user that all the wireless channels which can be used by the Bluetooth device are occupied, and after the user receives the first prompt information, other devices occupying the wireless channels can be closed according to the first prompt information, or other devices occupying the wireless channels are waited to finish working.
The first presentation information described above may be voice presentation information, display presentation information, vibration presentation information, or the like.
For example, when the terminal including the bluetooth device is a mobile phone, the recorded display unit may display corresponding prompt information to the user;
in practice, the first access condition may be set in advance, and then, the first access condition may be stored in the bluetooth device or the terminal including the bluetooth device in the form of a computer program.
Optionally, a channel may be randomly selected as a residential channel of the bluetooth device from idle channels whose channel quality evaluation results satisfy the preset first access condition.
It should be noted that, if there is no idle channel whose channel quality estimation result satisfies the preset first access condition, in an example, a second prompt message may be sent to the user to prompt the user that there is no idle channel whose channel quality estimation result satisfies the preset first access condition.
The second presentation information described above may be voice presentation information, display presentation information, vibration presentation information, or the like.
For example, when the terminal including the bluetooth device is a mobile phone, the recorded display unit may display corresponding prompt information to the user;
it can be seen that, when the recorded technical scheme is adopted, the idle channel with the channel quality meeting the access condition can be selected to reside when the bluetooth device is started, so that the interference of external same-frequency devices during communication of the bluetooth device can be avoided.
Sixth embodiment
Based on the same technical concept as the foregoing embodiments, a sixth embodiment of the present invention provides a computer-readable medium, which can be applied in a terminal; the technical solutions of the foregoing embodiments substantially or partially contribute to the prior art, or all or part of the technical solutions may be embodied in the form of a software product stored in a computer-readable storage medium, which includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) or a processor (processor) to execute all or part of the steps of the method described in this embodiment. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
Specifically, the computer program instructions corresponding to a method for determining a bluetooth device residence channel in the present embodiment may be stored on a storage medium such as an optical disc, a hard disc, a usb disk, etc., and when the computer program instructions corresponding to a method for determining a bluetooth device residence channel in the storage medium are read or executed by an electronic device, the at least one processor may be caused to execute the steps of any one of the methods for determining a bluetooth device residence channel in the foregoing embodiments of the present invention.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (7)
1. A method of determining a bluetooth device park channel, the method comprising:
determining that a Bluetooth device detects all wireless channels which can be used by the Bluetooth device when the Bluetooth device starts to operate;
when idle channels exist in all wireless channels which can be used by the Bluetooth equipment, evaluating the channel quality of each idle channel according to a preset channel quality evaluation method;
when determining that idle channels with channel quality evaluation results meeting preset first access conditions exist, selecting a resident channel of the Bluetooth equipment from the idle channels with the channel quality evaluation results meeting the preset first access conditions; adjacent channels of the idle channels meeting the preset first access condition are idle channels;
determining that no idle channel with a channel quality evaluation result meeting a preset first access condition exists, and an idle channel with a channel quality evaluation result meeting a preset second access condition exists;
selecting a resident channel of the Bluetooth equipment from idle channels with channel quality evaluation results meeting preset second access conditions; the adjacent channels of the idle channels meeting the preset first access condition comprise an idle channel and a non-idle channel;
wherein the selecting the parking channel of the bluetooth device comprises:
and determining the idle channel with the largest weighted calculation result of various specific attributes of each idle channel meeting the preset first access condition or the preset second access condition as the resident channel of the Bluetooth device in the idle channels with the channel quality evaluation results meeting the preset first access condition or the preset second access condition.
2. The method of claim 1, wherein the specific property is a preset property for evaluating channel quality.
3. The method of claim 1, further comprising:
when determining that no idle channel with a channel quality evaluation result meeting a preset first access condition or a preset second access condition exists and all adjacent channels of a kth idle channel are non-idle channels, determining that the channel quality evaluation result of the kth idle channel meets a preset third access condition, wherein k is an integer greater than or equal to 1;
and selecting a resident channel of the Bluetooth equipment from idle channels with channel quality evaluation results meeting preset third access conditions.
4. The method of claim 3, wherein selecting the camping channel of the Bluetooth device from the idle channels whose channel quality evaluation results satisfy the preset third access condition comprises:
based on the weights of various specific attributes of each idle channel of which the channel quality evaluation result meets the preset third access condition, performing weighted calculation on the various specific attributes of each idle channel of which the channel quality evaluation result meets the preset third access condition to obtain a corresponding weighted calculation result; the specific attribute is a preset attribute for evaluating the channel quality;
and determining the idle channel with the maximum weighting calculation result as the resident channel of the Bluetooth equipment in the idle channels with the channel quality evaluation results meeting the preset third access conditions.
5. The method of claim 1, wherein the specific attribute is one of: channel capacity, channel bandwidth, a value representing a channel coding scheme, a value representing channel penetration, and channel transmission distance.
6. A terminal, characterized in that the terminal comprises: a memory, a processor, and a computer program stored on the memory and executable on the processor; wherein the computer program when executed by the processor implements the steps of any of claims 1 to 5.
7. A computer-readable storage medium, for use in a terminal, the computer-readable storage medium storing a computer program,
the computer program, when executed by at least one processor, causes the at least one processor to perform the steps of the method of any one of claims 1 to 5.
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| CN115767490A (en) * | 2022-07-19 | 2023-03-07 | 珠海市杰理科技股份有限公司 | True wireless Bluetooth headset and communication method, device and system thereof |
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