CN114915919A

CN114915919A - Wireless communication connection method, device, electronic equipment and storage medium

Info

Publication number: CN114915919A
Application number: CN202210475708.7A
Authority: CN
Inventors: 高子豪; 徐斌
Original assignee: Hefei Zhonggan Micro Electronic Co ltd
Current assignee: Hefei Zhonggan Micro Electronic Co ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-08-16
Anticipated expiration: 2042-04-29
Also published as: CN114915919B

Abstract

The invention provides a wireless communication connection method, a wireless communication connection device, electronic equipment and a storage medium, wherein the method applied to first equipment comprises the following steps: in a wireless connection establishment state, a first device and a second device perform initiation request and decision of wireless communication connection in N broadcast information periods, and perform connection confirmation in K confirmation information periods; in the period of broadcasting information, after the first equipment sends information each time, the first equipment receives the information sent by the second equipment once; in K confirmation information periods, the first equipment serves as a wireless connection confirmation party, sends confirmation information to the second equipment at least twice, and enters a connection state to perform wireless communication with the second equipment based on a preset communication rule after all confirmation information is sent; n, K are all positive integers. The invention improves the success rate of the wireless communication connection establishment, reduces the average establishment time of the wireless connection and effectively improves the user experience.

Description

Wireless communication connection method, device, electronic equipment and storage medium

Technical Field

The embodiment of the invention relates to the technical field of communication, in particular to a connection method and device for wireless communication, electronic equipment and a storage medium.

Background

According to the existing wireless communication protocol, when information interaction is needed, a fixed communication architecture of 'alternate communication' is adopted. The information sent in the latter communication time interval is the reply to the information received in the former communication time interval. Wireless communication devices also often employ such communication architectures for wireless communication connections. The operating state when the wireless communication device performs a communication connection generally includes an idle state, a wireless connection establishment state, or a connection state. For example, the wireless communication device may first be in an idle state, and when the wireless communication device attempts to establish a connection, it enters a wireless connection establishment state for connection request, decision and confirmation. And after the connection is successful, the wireless communication terminal enters a connection state and carries out wireless communication with higher reliability. In the wireless connection establishment state, if the information of any communication time interval cannot be correctly transmitted, the communication is considered to be failed. If the communication fails, the error correction mechanism is typically adopted to return to the initial state. For example, return to the idle state, wait for the next radio connection triggering event to re-enter the radio connection setup state. Or returning to the initial stage in the wireless connection establishment state, and re-executing the whole process of establishing the connection.

However, the wireless connection method of "alternate communication" has the problems that the wireless connection power is low and the average wireless connection establishment time is long, which affects the user experience.

Disclosure of Invention

The embodiment of the invention provides a connection method and device for wireless communication, electronic equipment and a storage medium, and aims to solve the problems of low power, long average wireless connection establishment time and poor user experience of the existing wireless connection.

In order to solve the technical problem, the invention is realized as follows:

in a first aspect, an embodiment of the present invention provides a connection method for wireless communication, which is applied to a first device, and includes:

in a wireless connection establishment state, the first device and the second device make an initiation request and a decision of wireless communication connection in N broadcast information periods, and in the broadcast information periods, the first device receives information sent by the second device once after sending the information each time;

the first equipment and the second equipment carry out connection confirmation in K confirmation information periods; in the K confirmation information periods, the first equipment serves as a wireless connection confirmation party, sends confirmation information to the second equipment at least twice, and enters a connection state to perform wireless communication with the second equipment based on a preset communication rule after all the confirmation information is sent;

n, K are all positive integers.

Optionally, in the wireless connection establishment state, the method further includes:

the first device and the second device perform connection information interaction in M connection information time periods, in the connection information time periods, after the first device sends information each time, the first device receives the information sent by the second device, and M is a natural number.

Optionally, in the K acknowledgement information periods, the sending, by the first device, acknowledgement information to the second device multiple times as a wireless connection acknowledgement party includes: k is greater than or equal to 1, the first device serves as the wireless connection confirmation party, and the confirmation information is sent to the second device on the basis of at least two channels in each confirmation information period;

alternatively, the first and second liquid crystal display panels may be,

in the K acknowledgement information periods, the first device, as a wireless connection acknowledgement party, sends acknowledgement information to the second device multiple times, including: k is larger than 1, and the first device is used as the wireless connection confirmation party, and the confirmation information is sent to the second device on the basis of one channel in each confirmation information period.

Optionally, the making, by the first device, an initiation request and a decision of a wireless communication connection with the second device in N broadcast information periods includes:

the first equipment receives or transmits the transmission times of the confirmation information and/or the transmission channel of the confirmation information based on the broadcast information in the broadcast information period;

optionally, the performing, by the first device, connection information interaction with the second device in M connection information periods includes:

and the first equipment negotiates with the second equipment to determine the sending times of the confirmation information and/or the sending channel of the confirmation information in the connection information period based on the connection information.

Alternatively,

the first equipment detects the communication quality of the current communication environment, and if the communication quality of the current communication environment is lower than a preset communication quality threshold value, the communication quality of the current communication environment is determined to be poor quality;

and if the communication quality of the current communication environment is poor, the first device increases the sending times or sending channels of the confirmation information based on a preset adjustment step length, and sends the increased sending times and/or sending channels of the confirmation information to the second device.

Optionally, in the wireless connection establishment state, the making, by the first device, a request for initiating a wireless communication connection and a decision for making a wireless communication connection with the second device in N broadcast information periods includes:

the first equipment is used as a wireless connection initiator and searches broadcast information broadcast and sent by the second equipment;

if the first equipment receives broadcast information broadcast by second equipment in any broadcast information period, determining whether to initiate wireless connection based on the broadcast information; if the wireless connection is determined to be initiated, the first equipment enters the K confirmation information time periods;

and if the first equipment does not receive the broadcast information broadcast and sent by the second equipment, or if the first equipment determines not to initiate wireless connection, returning to the initial state.

Optionally, in a wireless connection setup state, the first device and the second device perform initiation request and decision of wireless communication connection in N broadcast information periods, and perform connection information interaction in M connection information periods, including:

when M is not equal to zero, and M is even,

if the first equipment receives broadcast information broadcast by second equipment in any broadcast information period, determining whether to initiate wireless connection based on the broadcast information; if the wireless connection is determined to be initiated, the first equipment enters the M connection information time periods;

if the first equipment does not receive the broadcast information broadcast by the second equipment, or if the first equipment determines not to initiate wireless connection, returning to the initial state;

in the M connection information periods, the first device sends connection information to the second device in odd connection information periods and receives connection information from the second device in even connection information periods;

the first equipment enters the K confirmation information time periods after finishing receiving and sending all the connection information;

and the first equipment returns to the initial state when failing to correctly send or receive any one of the connection information or determining to terminate the establishment of the connection during the interaction of the connection information.

Optionally, in a wireless connection establishment state, the first device and the second device perform initiation request and decision of wireless communication connection in N broadcast information periods, and perform connection information interaction in M connection information periods, including:

when M is not equal to zero, and M is an odd number,

the first equipment is used as a wireless connection receiver, broadcasts and sends broadcast information in the N broadcast information time periods, and searches the connection information sent by the second equipment after sending the broadcast information each time;

if the first equipment receives the connection information sent by the second equipment, the first equipment enters the M connection information time periods;

if the first equipment does not receive the connection information broadcast and sent by the second equipment, or if the first equipment completes the broadcast information sending in all broadcast information time periods, returning to the initial state;

in the M connection information periods, the first device receives connection information from the second device in odd connection information periods and sends connection information to the second device in even connection information periods;

and the first equipment returns to the initial state when failing to correctly send or receive any one piece of connection information or determining to terminate the establishment of the connection during the interaction of the connection information.

Optionally, the preset communication rule includes at least one of: the method comprises the following steps of communication interval, access codes, a channel list, a modulation mode, a frequency hopping mode, a spread spectrum mode, channel coding and an information encryption mode;

the first device is a low-power Bluetooth wireless communication device;

the broadcast information transmitted in the N broadcast information time periods is packaged by adopting a low-power-consumption Bluetooth extended broadcast packet type;

the connection transmitted in the M connection information periods is packaged by adopting a low-power-consumption Bluetooth connection request packet type;

the confirmation information is packaged by adopting a low-power-consumption Bluetooth connection response packet type;

and the first equipment is used as a wireless connection confirmation party and sends confirmation information to the second equipment for three times.

In a second aspect, an embodiment of the present invention provides a connection method for wireless communication, which is applied to a second device, and includes:

in a wireless connection establishment state, a first device and a second device make an initiation request and a decision of wireless communication connection in N broadcast information periods, and in the broadcast information periods, the second device receives information sent by the first device once after sending the information each time;

the first equipment and the second equipment carry out connection confirmation in K confirmation information periods; in the K confirmation information periods, the second device is used as a wireless connection confirmed party to search the confirmation information sent by the first device; if the second equipment receives the confirmation information at least once, the second equipment enters a connection state to carry out wireless communication with the first equipment based on a preset communication rule; if the second equipment does not receive the confirmation information after receiving at least two times, returning to the initial state;

n, K are all positive integers.

and the second equipment and the first equipment perform connection information interaction in M connection information time periods, in the connection information time period, the second equipment sends connection information to the first equipment once receiving the connection information sent by the first equipment every time, and M is a natural number.

Optionally, in the K acknowledgement information periods, the searching, by the second device as a party to be acknowledged in the wireless connection, for the acknowledgement information sent by the first device includes: k is greater than or equal to 1, the second device serves as a wireless connection confirmed party and receives confirmation information sent by the first device on the basis of at least two channels in each confirmation information period;

alternatively, the first and second electrodes may be,

in the K acknowledgement information periods, the second device, as a wireless connection acknowledged party, searching for acknowledgement information sent by the first device, including: k is larger than 1, the second device is used as a wireless connection confirmed party, and the confirmation information sent by the first device is received on the basis of one channel in each confirmation information period.

Optionally, the second device detects the communication quality of the current communication environment, and determines that the communication quality of the current communication environment is poor quality if the communication quality of the current communication environment is lower than a preset communication quality threshold value;

and if the communication quality of the current communication environment is poor, the second device increases the sending times of the confirmation information based on a preset adjustment step length, and sends the increased sending times of the confirmation information and/or the sending channel of the confirmation information to the second device.

Optionally, in the wireless connection establishment state, the making, by the first device, a request for initiating a wireless communication connection and a decision by the second device in N broadcast information periods includes:

the second device serves as a wireless connection receiving party, sends broadcast information in each broadcast information time interval, serves as a wireless connection confirmed party after each broadcast information sending, and searches the confirmation information sent by the first device in the K confirmation information time intervals;

and if the second equipment completes the broadcast information transmission in all the broadcast information periods and does not receive the confirmation information, returning to the initial state.

Optionally, in a wireless connection establishment state, the second device and the first device perform initiation request and decision of wireless communication connection in N broadcast information periods, and perform connection information interaction in M connection information periods, including:

when M is not equal to zero, and M is even,

the second equipment is used as a wireless connection receiver, transmits broadcast information in each broadcast information time period, and searches the connection information transmitted by the first equipment after transmitting the broadcast information each time;

if the second device receives the connection information, entering the M connection information time periods;

if the second equipment completes the broadcast information transmission of all broadcast information time periods and does not receive the connection information, returning to the initial state;

in the M connection information periods, the second device receives connection information from the first device in odd connection information periods and sends connection information to the first device in even connection information periods;

the second equipment enters the K confirmation information time periods after finishing receiving and sending all the connection information;

and the second equipment returns to the initial state when failing to correctly send or receive any one of the connection information or determining to terminate the establishment of the connection during the interaction of the connection information.

when M is not equal to zero, and M is an odd number,

the second equipment is used as a wireless connection initiator and searches broadcast information broadcast and sent by the first equipment;

if the second device receives the broadcast information in any broadcast information period, determining whether to initiate wireless connection based on the broadcast information; if the wireless connection is determined to be initiated, the second equipment enters the M connection information time periods;

if the second equipment does not receive the broadcast information, or if the second equipment determines not to initiate wireless connection, returning to an initial state;

in the M connection information periods, the second device sends connection information to the first device in odd connection information periods and receives connection information from the first device in even connection information periods;

In a third aspect, an embodiment of the present invention provides a connection apparatus for wireless communication, including:

a sending module, configured to, in a wireless connection establishment state, perform initiation request and decision of wireless communication connection between the first device and the second device in N broadcast information periods, where, in the broadcast information periods, the first device receives information sent by the second device once after sending information each time;

a first connection module, configured to perform connection confirmation between the first device and the second device in K confirmation information periods, where N, K are positive integers; and in the K confirmation information periods, the first device serves as a wireless connection confirmation party, sends confirmation information to the second device at least twice, and after all the confirmation information is sent, enters a connection state to carry out wireless communication with the second device based on a preset communication rule.

In a fourth aspect, an embodiment of the present invention provides a connection device for wireless communication, including:

a transmission module, configured to, in a wireless connection establishment state, perform initiation request and decision of wireless communication connection between a first device and a second device in N broadcast information periods, where, in the broadcast information periods, after the second device sends information each time, information sent by the first device is received once;

a second connection module, configured to perform connection confirmation between the first device and the second device in K confirmation information time periods, where N, K are both positive integers; in the K confirmation information periods, the second device is used as a wireless connection confirmed party to search the confirmation information sent by the first device; if the second equipment receives the confirmation information at least once, the second equipment enters a connection state to carry out wireless communication with the first equipment based on a preset communication rule; and if the second equipment does not receive the confirmation information after receiving at least twice, returning to the initial state.

In a fifth aspect, an embodiment of the present invention provides an electronic device, including a processor, a memory, and a program or instructions stored on the memory and executable on the processor, where the program or instructions, when executed by the processor, implement the steps in the connection confirmation method for wireless communication according to any one of the first or second aspects.

In a sixth aspect, the present invention provides a readable storage medium, on which a program or instructions are stored, which when executed by a processor implement the steps in the connection confirmation method for wireless communication according to any one of the first or second aspects.

In the embodiment of the invention, a broadcast information time interval and a confirmation information time interval can be set in the wireless connection establishment state, and a connection information time interval can also be set, wherein an alternate communication mechanism is adopted in the broadcast information time interval and the connection information time interval, and a one-way multiple communication mechanism is adopted in the confirmation information time interval. The first device as the wireless connection affirming party sends the affirming information for a plurality of times and directly enters the connection state after the sending is completed. The second device, which is the party whose wireless connection is being confirmed, may then attempt to receive confirmation information multiple times and enter a connected state upon receiving one of them. The invention adopts different communication mechanisms aiming at different communication time intervals, so that the broadcast information time interval and the connection information time interval can be corrected quickly, and the information confirmation time interval can reduce the probability of information transmission errors, thereby improving the success rate of wireless communication connection establishment on the whole, reducing the average establishment time of wireless connection and effectively improving the user experience.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is a flowchart illustrating a connection method for wireless communication according to an embodiment of the present invention;

fig. 2 is a schematic diagram illustrating a stage of establishing a wireless communication connection in a wireless communication connection method according to an embodiment of the invention;

fig. 3 is a second flowchart illustrating a connection method for wireless communication according to a second embodiment of the present invention;

fig. 4 is a third flowchart illustrating a connection method for wireless communication according to a third embodiment of the present invention;

FIG. 5 is a fourth flowchart illustrating a connection method of wireless communication according to an embodiment of the present invention;

FIG. 6 is a fifth flowchart illustrating a connection method for wireless communication according to an embodiment of the present invention;

FIG. 7 is a sixth flowchart illustrating a connection method of wireless communication according to an embodiment of the present invention;

FIG. 8 is a schematic block diagram of a wireless communication connection apparatus according to an embodiment of the present invention;

fig. 9 is a second schematic block diagram of a wireless communication connection device according to a second embodiment of the present invention;

FIG. 10 is a functional block diagram of an electronic device according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

An embodiment of the present invention provides a wireless communication connection method, which is applied to a first device, and as shown in fig. 1, fig. 1 is a schematic flow diagram of a wireless communication connection method according to an embodiment of the present invention, and includes:

step 11: in a wireless connection establishment state, a first device and a second device carry out initiation request and decision of wireless communication connection in N broadcast information time periods, and in the broadcast information time periods, the first device receives information sent by the second device once after sending the information each time;

step 12: the first equipment and the second equipment carry out connection confirmation in K confirmation information periods; and in K confirmation information periods, the first device serves as a wireless connection confirmation party, sends confirmation information to the second device at least twice, and enters a connection state to perform wireless communication with the second device based on a preset communication rule after all confirmation information is sent.

N, K are all positive integers.

In some embodiments of the present invention, optionally, initiating the request and the decision comprises: the first device and the second device initiate a connection request through broadcast information in a connection initiation stage, and a party receiving the connection request determines whether to initiate connection.

The broadcast information may include identity information of the party sending the connection request, and may also include other communication rules that need to be followed by both parties for establishing the connection; the communication rule may also be included in the confirmation message. The setting can be specifically set according to practical application scenes.

In some embodiments of the present invention, optionally, in the wireless connection establishment state, the method further includes:

the first device and the second device carry out connection information interaction in M connection information time periods, in the connection information time periods, after the first device sends information each time, the first device receives the information sent by the second device once, and M is a natural number.

In the embodiment of the present invention, referring to fig. 2, fig. 2 is a schematic diagram of a phase of establishing a wireless communication connection in a wireless communication connection method according to the embodiment of the present invention;

the establishment of the wireless connection may include a connection initiation phase, a connection information interaction phase, and a connection confirmation phase in sequence, wherein:

in the connection initiating stage, a wireless connection receiving party sends broadcast information in a broadcast information period, a wireless connection initiating party tries to receive the broadcast information, the broadcast information at least comprises identity information of the wireless connection receiving party, and the wireless connection initiating party determines whether to initiate wireless connection according to the identity information.

In the connection information interaction stage, after the wireless connection initiator determines to initiate connection to the wireless connection receiver, the wireless connection initiator enters the connection information interaction stage, the wireless connection initiator sends connection information to the wireless connection receiver, and the wireless connection receiver can also send connection information to the wireless connection initiator.

And a connection confirmation stage, wherein in the connection confirmation stage, the party which receives the connection information at the end of the connection information interaction stage is used as a wireless connection confirmation party, and the party which sends the connection information at the end is used as a wireless connection confirmed party. The wireless connection affirming party sends affirming information to the wireless connection affirmed party and enters into the connection state, and the wireless connection affirmed party also enters into the connection state after receiving the affirming information.

In specific implementation, the two communication parties may exchange their identity information through the broadcast information, the connection information and/or the confirmation information, and exchange or negotiate a communication rule required for establishing a wireless connection, so as to establish a wireless connection based on the communication rule in a connection state, and perform stable wireless communication.

In the embodiment of the invention, a broadcast information time interval and a confirmation information time interval can be set in the wireless connection establishment state, and a connection information time interval can also be set, wherein an alternate communication mechanism is adopted in the broadcast information time interval and the connection information time interval, and a one-way multiple communication mechanism is adopted in the confirmation information time interval. The first device as the wireless connection affirming party sends the affirming information for a plurality of times and directly enters the connection state after the sending is completed. The second device, which is the party to be confirmed for the wireless connection, may attempt to receive (or search for) the confirmation information several times and enter the connected state when receiving one of them. The invention adopts different communication mechanisms aiming at different communication time intervals, so that the broadcast information time interval and the connection information time interval can be corrected quickly, and the information confirmation time interval can reduce the probability of information transmission errors, thereby improving the success rate of wireless communication connection establishment on the whole, reducing the average establishment time of wireless connection and effectively improving the user experience.

In some embodiments of the present invention, the first device and the second device may agree on a communication rule that both parties need to follow for the wireless connection through the broadcast information; or the communication rules that the two parties need to follow for the wireless connection can be agreed through the connection information in the connection information interaction stage.

For example, the communication rule may be specified by a certain party or negotiated by both parties. The method specifically comprises the following steps: communication time, communication interval, modulation mode, access code, check code, etc.

In some embodiments of the present invention, optionally, in the K acknowledgement information periods, the sending, by the first device, acknowledgement information to the second device multiple times as a wireless connection acknowledgement party includes: k is greater than or equal to 1, and the first device serves as the wireless connection confirmation party and sends the confirmation information to the second device on the basis of at least two channels in each confirmation information period. For example, K-4 may be set, that is, the connection acknowledgement phase has 4 acknowledgement information periods, and the first device transmits acknowledgement information to the second device through 3 channels on each acknowledgement information period, when the first device transmits acknowledgement information a total of 12 times. For another example, in the case that the ack period is limited, e.g., K ═ 1, the first device transmits ack information to the second device over 3 channels over the 1 ack period, at which time the first device transmits ack information 3 times in total. Thereby increasing the probability of success of the second device receiving the acknowledgement.

In further embodiments of the present invention, in the K acknowledgement information periods, the first device, as a wireless connection acknowledgement party, sends acknowledgement information to the second device multiple times, including: k is larger than 1, and the first device is used as the wireless connection confirmation party, and the confirmation information is sent to the second device on the basis of one channel in each confirmation information period.

In some embodiments of the present invention, optionally, the making, by the first device, an initiation request and a decision of a wireless communication connection with the second device in N broadcast information periods includes:

in some embodiments of the present invention, optionally, performing connection information interaction between the first device and the second device in M connection information periods includes:

the first device negotiates with the second device to determine the number of transmissions of the acknowledgement information and/or a transmission channel of the acknowledgement information based on the connection information during the connection information period.

In some embodiments of the present invention, the first and second electrodes are, optionally,

In the embodiments of the present invention, a method for detecting wireless communication quality commonly used in the art may be adopted, for example, communication quality parameters such as current received signal strength and signal-to-noise ratio are detected, or communication quality parameters such as packet loss rate and bit error rate in a communication process are detected, so as to determine whether the communication quality of the current communication environment is poor. The communication quality threshold value may be determined according to specific implementation situations or may be an empirical value in the prior art. This is not a particular limitation of the present application.

In some embodiments of the present invention, the success rate of wireless connection and the user experience can be further improved by dynamically adjusting the number of sending times or sending channels of the acknowledgement information.

In some embodiments of the present invention, optionally, referring to fig. 3, fig. 3 is a second schematic flowchart of a connection method for wireless communication according to an embodiment of the present invention; in a wireless connection establishment state, a first device and a second device make an initiation request and a decision of wireless communication connection in N broadcast information periods, wherein the initiation request and the decision comprise:

step 21: the first equipment is used as a wireless connection initiator and searches broadcast information broadcast and sent by the second equipment;

step 22: if the first equipment receives the broadcast information broadcast by the second equipment in any broadcast information period, determining whether to initiate wireless connection based on the broadcast information; if the wireless connection is determined to be initiated, the first equipment enters K confirmation information time periods;

step 23: and if the first equipment does not receive the broadcast information broadcast and sent by the second equipment, or if the first equipment determines not to initiate wireless connection, returning to the initial state.

In the embodiment of the present invention, the initial state may be an idle state, that is, the wireless connection establishment state is exited and the idle state is entered. The initial state may also be an initial stage of the wireless connection establishment state, such as re-entering the first broadcast information period of the connection initiation stage, and re-transmitting or searching for broadcast information. In specific implementation, the initial state can be set according to the actual application scenario.

In some embodiments of the present invention, optionally, referring to fig. 4, fig. 4 is a third schematic flowchart of a connection method for wireless communication according to an embodiment of the present invention; in a wireless connection establishment state, a first device and a second device make an initiation request and a decision of wireless communication connection in N broadcast information periods, and perform connection information interaction in M connection information periods, including:

when M is not equal to zero, and M is even,

step 31: the first equipment is used as a wireless connection initiator and searches broadcast information broadcast and sent by the second equipment;

step 32: if the first equipment receives the broadcast information broadcast by the second equipment in any broadcast information period, determining whether to initiate wireless connection based on the broadcast information; if the wireless connection is determined to be initiated, the first equipment enters M connection information time periods; in some embodiments of the present invention, the first device may determine whether to initiate a wireless connection based on the broadcast information after receiving the broadcast information for the first time, and enter a connection information period when determining the initiation. In other embodiments of the present invention, the first device may also determine whether to initiate a wireless connection after receiving two or more broadcast messages.

step 33: in M connection information periods, the first device sends connection information to the second device in odd connection information periods and receives connection information from the second device in even connection information periods; as shown in fig. 2, the first device transmits connection information a1 to An during odd connection information periods, respectively, and receives connection information B1 to Bn transmitted by the second device during even connection information periods, respectively.

Step 34: the first equipment enters K confirmation information time periods after completing the receiving and sending of all the connection information, and the first equipment is used as a wireless connection confirmation party to send confirmation information; the first device returns to the initial state when failing to correctly transmit or receive any one of the connection information or when determining to terminate the establishment of the connection during the interaction of the connection information.

In some embodiments of the present invention, optionally, referring to fig. 5, fig. 5 is a fourth schematic flowchart of a connection method of wireless communication according to an embodiment of the present invention;

in a wireless connection establishment state, a first device and a second device make an initiation request and a decision of wireless communication connection in N broadcast information periods, and perform connection information interaction in M connection information periods, including:

when M is not equal to zero, and M is an odd number,

step 41: the first equipment is used as a wireless connection receiver, broadcasts and sends broadcast information in N broadcast information time periods, and searches the connection information sent by the second equipment after sending the broadcast information each time;

step 42: if the first equipment receives the connection information sent by the second equipment, the first equipment enters M connection information time periods; if the first equipment does not receive the connection information broadcast and sent by the second equipment, or if the first equipment completes the broadcast information sending in all broadcast information time periods, returning to the initial state;

step 43: in M connection information periods, the first device receives connection information from the second device in odd connection information periods and sends the connection information to the second device in even connection information periods;

step 44: the first equipment enters K confirmation information time periods after completing the receiving and sending of all the connection information; the first device returns to the initial state when failing to correctly transmit or receive any one of the connection information or when determining to terminate the establishment of the connection during the interaction of the connection information.

Through analysis, the influence of various information transmission errors on the establishment of the wireless communication connection in the process of establishing the wireless communication connection in the prior art is different. Wherein the impact of the error of the confirmation information is the largest. For example, if one party to the communication sends an acknowledgement and the other party does not receive it, the connection fails. In this case, a long time is required for error correction, for example, in Bluetooth Low Energy (Bluetooth Low Energy) communication, both communication parties usually need 6 connection intervals (connection intervals), or 300ms and 600ms to find a connection failure and restart the connection.

In the embodiment of the invention, an alternate communication mechanism is adopted in the broadcast information period or the connection information period, and once communication is wrong, both devices can find the wrong information immediately (for example, the length of a search window, wherein one typical value is 0.2ms) and return to the initial state. And in the period of the confirmation information, the confirmation information is sent for multiple times by adopting a one-way multiple-sending communication mechanism. The method and the device have the advantages that the broadcast information time interval and the connection information time interval can be corrected quickly, the probability of information transmission errors can be reduced in the information confirmation time interval, accordingly, the success rate of wireless communication connection establishment is improved on the whole, the average establishment time of wireless connection is shortened, and user experience is effectively improved.

In some embodiments of the present invention, optionally, the preset communication rule includes at least one of the following: the method comprises the following steps of communication interval, access codes, a channel list, a modulation mode, a frequency hopping mode, a spread spectrum mode, channel coding and an information encryption mode;

in some embodiments of the invention, optionally, the first device is a bluetooth low energy wireless communication device that communicates with the second device based on a bluetooth low energy communication protocol;

in some embodiments of the present invention, optionally, broadcast information transmitted in N broadcast information periods is encapsulated by using a low power consumption bluetooth extended broadcast packet type;

in some embodiments of the present invention, optionally, the connection transmitted in the M connection information periods is encapsulated by using a low power consumption bluetooth connection request packet type;

in some embodiments of the present invention, optionally, the confirmation information is encapsulated by using a low power consumption bluetooth connection response packet type;

in some embodiments of the present invention, optionally, the first device serves as a wireless connection confirmation party, and sends the confirmation information to the second device three times.

An embodiment of the present invention provides a wireless communication connection method, which is applied to a second device, and referring to fig. 6, fig. 6 is a fifth flowchart of the wireless communication connection method according to the embodiment of the present invention, and the method includes:

step 51: in a wireless connection establishment state, a first device and a second device make an initiation request and a decision of wireless communication connection in N broadcast information time periods, and in the broadcast information time periods, the second device receives information sent by the first device every time after sending the information;

step 52: the first equipment and the second equipment carry out connection confirmation in K confirmation information periods; in K confirmation information periods, the second equipment is used as a wireless connection confirmed party and searches confirmation information sent by the first equipment; if the second equipment receives the confirmation information at least once, the second equipment enters a connection state to carry out wireless communication with the first equipment based on a preset communication rule; and if the second equipment does not receive the confirmation information after receiving at least two times, returning to the initial state.

N, K are all positive integers.

and the second equipment and the first equipment carry out connection information interaction in M connection information time periods, in the connection information time period, the second equipment sends connection information to the first equipment once when receiving the connection information sent by the first equipment once, wherein M is a natural number.

In some embodiments of the present invention, optionally, in the K acknowledgement information periods, the searching, by the second device as a wireless connection acknowledged party, for the acknowledgement information sent by the first device includes: k is larger than or equal to 1, the second device serves as a wireless connection confirmed party, and the confirmation information sent by the first device is received on the basis of at least two channels in each confirmation information period.

In further embodiments of the present invention, in the K acknowledgement information periods, the second device, as a party to be acknowledged with the wireless connection, searches for the acknowledgement information sent by the first device, and includes: k is larger than 1, the second device is used as a wireless connection confirmed party, and the confirmation information sent by the first device is received on the basis of one channel in each confirmation information period.

the second equipment detects the communication quality of the current communication environment, and if the communication quality of the current communication environment is lower than a preset communication quality threshold value, the communication quality of the current communication environment is determined to be poor quality;

and if the communication quality of the current communication environment is poor, the second equipment increases the sending times of the confirmation information based on a preset adjustment step length, and sends the increased sending times of the confirmation information and/or the sending channel of the confirmation information to the second equipment.

In some embodiments of the present invention, optionally referring to fig. 7, fig. 7 is a sixth schematic flowchart of a connection method of wireless communication according to an embodiment of the present invention, where in a wireless connection establishment state, a request for initiating and a decision for wireless communication connection are performed by a first device and a second device in N broadcast information periods, including:

step 61: the second equipment is used as a wireless connection receiver, transmits broadcast information in each broadcast information time period, is used as a wireless connection confirmed party after transmitting the broadcast information each time, and searches the confirmation information transmitted by the first equipment in K confirmation information time periods;

step 62: and if the second equipment completes the broadcast information transmission of all the broadcast information periods and does not receive the confirmation information, returning to the initial state.

In some embodiments of the present invention, optionally, in the wireless connection establishment state, the second device and the first device perform initiation request and decision of wireless communication connection in N broadcast information periods, and perform connection information interaction in M connection information periods, including:

when M is not equal to zero, and M is even,

the second equipment is used as a wireless connection receiver, transmits broadcast information in each broadcast information period, and searches the connection information transmitted by the first equipment after transmitting the broadcast information each time;

if the second equipment receives the connection information, entering M connection information time periods;

if the second equipment completes the broadcast information transmission of all the broadcast information time periods and does not receive the connection information, returning to the initial state;

in M connection information periods, the second device receives connection information from the first device in odd connection information periods and sends connection information to the first device in even connection information periods;

the second equipment enters K confirmation information time periods after completing the receiving and sending of all the connection information;

the second device returns to the initial state when failing to correctly transmit or receive any one of the connection information or when determining to terminate the establishment of the connection in the case of exchanging the connection information.

In some embodiments of the present invention, optionally, in the state of establishing the wireless connection, the second device and the first device make an initiation request and a decision of the wireless communication connection in N broadcast information periods, and perform connection information interaction in M connection information periods, including:

when M is not equal to zero, and M is an odd number,

if the second device receives the broadcast information in any broadcast information period, determining whether to initiate wireless connection based on the broadcast information; if the wireless connection is determined to be initiated, the second equipment enters M connection information time periods;

if the second equipment does not receive the broadcast information or if the second equipment determines not to initiate wireless connection, returning to the initial state;

in M connection information periods, the second device sends connection information to the first device in odd connection information periods and receives connection information from the first device in even connection information periods;

In some embodiments of the present invention, two bluetooth low energy wireless communication devices are exemplified, which are a bluetooth master device and a bluetooth slave device, respectively. The bluetooth master device is a wireless connection initiator, i.e., serves as the second device in the foregoing embodiments. The bluetooth slave device is a wireless connection recipient and a wireless connection confirmer, i.e., functions as the first device in the foregoing embodiments. The two communication parties divide the connection stage into a connection initiation stage, a connection information interaction stage and a connection confirmation stage.

The connection initiation phase contains multiple broadcast information periods, each 312.5 microseconds long, with 12 milliseconds between each two broadcast information periods. The connection information interaction phase comprises 1 connection information period, and the connection information period is 312.5 microseconds long. The connection acknowledgment phase contains 3 acknowledgment information periods, each 312.5 microseconds long.

The bluetooth slave transmits broadcast information in a broadcast information period of a connection initiation phase. The broadcast information is encapsulated by using a low-power Bluetooth extended transmission packet type. The broadcast information contains at least identity information of the bluetooth slave, i.e. the bluetooth address of the bluetooth slave.

After receiving the broadcast information sent by the Bluetooth slave device in the connection initiating stage, the Bluetooth master device determines whether to establish connection with the Bluetooth slave device according to the broadcast information. If the bluetooth master device decides not to establish a connection, it remains in the connection initiation phase. If the Bluetooth master device determines to establish connection, the Bluetooth master device enters a connection information interaction stage and sends connection information to the Bluetooth slave device in a connection information period. The connection information is encapsulated by a low power consumption Bluetooth connection request packet type. The connection information contains necessary information for establishing a wireless connection, such as a bluetooth address of a bluetooth master device, a connection interval, a synchronization code, a wireless channel list, and the like.

The bluetooth slave device attempts to receive connection information after each broadcast information period. When receiving the connection information from the Bluetooth master device, the Bluetooth slave device judges that the Bluetooth slave device enters a connection information interaction stage and decides whether to accept the connection establishment with the Bluetooth master device or not according to the connection information. If the bluetooth slave decides not to establish a connection, it goes back to the connection initiation phase. If the Bluetooth slave device decides to establish connection, the Bluetooth slave device enters a connection confirmation phase and sends confirmation information to the Bluetooth master device in each confirmation information period. And packaging the confirmation information by adopting a low-power-consumption Bluetooth connection response packet type. The confirmation information contains information necessary to establish a wireless connection, such as the bluetooth address of the bluetooth slave device, etc.

After the bluetooth master device transmits the connection information, it enters a connection confirmation phase and attempts to receive the confirmation information in a confirmation information period. When the Bluetooth master device successfully receives at least one piece of confirmation information and judges that the Bluetooth slave device accepts wireless connection according to the information contained in the confirmation information, the Bluetooth master device enters a connection state and does not try to accept the confirmation information any more and communicates with the Bluetooth slave device according to the information contained in the connection information.

And after the Bluetooth slave equipment completes the sending of all the 3 pieces of confirmation information, the Bluetooth slave equipment enters a connection state and communicates with the Bluetooth master equipment according to the information contained in the connection information.

The embodiment of the invention provides a connecting device for wireless communication, which is applied to the first equipment. Referring to fig. 8, fig. 8 is a schematic block diagram of a wireless communication connection apparatus according to an embodiment of the present invention, where the wireless communication connection apparatus 80 includes:

a sending module 81, configured to, in a state where a wireless connection is established, perform an initiation request and a decision of a wireless communication connection between a first device and a second device in N broadcast information periods, where, in the broadcast information periods, after the first device sends information each time, the first device receives information sent by the second device once;

a first connection module 82, configured to perform connection confirmation between the first device and the second device in K confirmation information periods; and in K confirmation information periods, the first device serves as a wireless connection confirmation party, sends confirmation information to the second device at least twice, and enters a connection state to perform wireless communication with the second device based on a preset communication rule after all confirmation information is sent.

N, K are all positive integers.

the first connection module 82 is further configured to perform connection information interaction between the first device and the second device in M connection information time periods, where in the connection information time periods, after the first device sends information each time, the first device receives information sent by the second device once, where M is a natural number.

the first connection module 82, further configured to, in the K acknowledgement information periods, the first device, as a wireless connection acknowledgement party, send acknowledgement information to the second device multiple times, where the sending acknowledgement information includes: k is greater than or equal to 1, the first device serves as the wireless connection confirmation party, and the confirmation information is sent to the second device on the basis of at least two channels in each confirmation information period;

alternatively, the first and second electrodes may be,

the first connection module 82, further configured to, in the K acknowledgement information periods, the first device, as a wireless connection acknowledgement party, send acknowledgement information to the second device multiple times, where the sending acknowledgement information includes: k is larger than 1, and the first device is used as the wireless connection confirmation party, and the confirmation information is sent to the second device on the basis of one channel in each confirmation information period.

the first connection module 82 is further configured to make an initiation request and a decision of a wireless communication connection between the first device and the second device in N broadcast information periods, including:

a first connection module 82, further configured to receive or send, by the first device, the number of times of sending the acknowledgment information and/or the sending channel of the acknowledgment information based on broadcast information in the broadcast information period;

the first connection module 82 is further configured to perform connection information interaction between the first device and the second device in M connection information periods, where the connection information interaction includes:

the first connection module 82 is further configured to negotiate, by the first device, with the second device during the connection information period, based on the connection information, to determine the number of times of sending the acknowledgement information and/or a sending channel of the acknowledgement information.

the first connection module 82 is further configured to detect, by the first device, the communication quality of the current communication environment, and determine, if the communication quality of the current communication environment is lower than a preset communication quality threshold, that the communication quality of the current communication environment is poor;

the first connection module 82 is further configured to, if the communication quality of the current communication environment is poor quality, increase, by the first device, the number of times of sending the acknowledgment information or the sending channel based on a preset adjustment step size, and send the increased number of times of sending the acknowledgment information and/or the sending channel of the acknowledgment information to the second device.

the first connection module 82 is further configured to, in the wireless connection establishment state, make an initiation request and a decision of a wireless communication connection between the first device and the second device in N broadcast information periods, where the initiation request and the decision include:

the first connection module 82 is further configured to, as a wireless connection initiator, search for broadcast information broadcast by the second device;

the first connection module 82 is further configured to, if the first device receives broadcast information broadcast by the second device in any broadcast information period, determine whether to initiate a wireless connection based on the broadcast information; if the wireless connection is determined to be initiated, the first equipment enters K confirmation information time periods;

the first connection module 82 is further configured to return to the initial state if the first device does not receive the broadcast information broadcast by the second device, or if the first device determines not to initiate the wireless connection.

the first connection module 82 is further configured to, in a wireless connection establishment state, perform initiation request and decision of wireless communication connection between the first device and the second device in N broadcast information periods, and perform connection information interaction in M connection information periods, including:

the first connection module 82 is further configured to, when M is not equal to zero and is an even number, take the first device as a wireless connection initiator, and search for broadcast information broadcast by the second device;

the first connection module 82 is further configured to determine whether to initiate a wireless connection based on broadcast information if the first device receives broadcast information broadcast by the second device in any broadcast information period; if the wireless connection is determined to be initiated, the first equipment enters M connection information time periods;

the first connection module 82 is further configured to return to an initial state if the first device does not receive the broadcast information broadcast by the second device, or if the first device determines not to initiate the wireless connection;

the first connection module 82 is further configured to, during M connection information periods, the first device sends connection information to the second device during odd connection information periods, and receives connection information from the second device during even connection information periods;

the first connection module 82 is further configured to enter K acknowledgement information time periods after the first device completes receiving and sending all connection information;

the first connection module 82 is further configured to return to an initial state when the first device fails to correctly send or receive any one of the connection information, or determines to terminate the connection establishment during the connection information interaction.

the first connection module 82 is further configured to, when M is not equal to zero and M is an odd number, serve the first device as a wireless connection recipient, broadcast and send broadcast information in N broadcast information periods, and search for connection information sent by the second device after sending broadcast information each time;

the first connection module 82 is further configured to, if the first device receives the connection information sent by the second device, the first device enters M connection information time periods;

the first connection module 82 is further configured to return to an initial state if the first device does not receive the connection information broadcast by the second device, or if the first device completes broadcast information transmission in all broadcast information periods;

a first connection module 82, further configured to, during M connection information periods, receive, by the first device, connection information from the second device during odd connection information periods, and send, by the first device, connection information to the second device during even connection information periods;

the first connection module 82 is further configured to return to an initial state when the first device fails to correctly send or receive any one of the connection information, or determines to terminate establishing the connection when the connection information is exchanged.

the first connection module 82 is further configured to preset a communication rule including at least one of: the method comprises the following steps of communication interval, access codes, a channel list, a modulation mode, a frequency hopping mode, a spread spectrum mode, channel coding and an information encryption mode;

the first device is a low-power Bluetooth wireless communication device;

the first connection module 82 is further configured to encapsulate broadcast information transmitted in N broadcast information periods by using a low power consumption bluetooth extended broadcast packet type;

the first connection module 82 is further configured to encapsulate connections transmitted in the M connection information periods by using a low power consumption bluetooth connection request packet type;

the first connection module 82 is further configured to package the confirmation information by using a low power consumption bluetooth connection response packet type;

the first connection module 82 is further configured to, as a wireless connection confirmation party, the first device send confirmation information to the second device three times.

The connection device 80 for wireless communication provided in the embodiment of the present application can implement each process implemented by the method embodiments in fig. 1 to fig. 5, and achieve the same technical effect, and is not described herein again to avoid repetition.

The embodiment of the invention provides a connecting device for wireless communication, which is applied to the second equipment. Referring to fig. 9, fig. 9 is a second schematic block diagram of a wireless communication connection device according to an embodiment of the present invention, where the wireless communication connection device 90 includes:

a transmission module 91, configured to, in a wireless connection establishment state, perform an initiation request and a decision of a wireless communication connection between the first device and the second device in N broadcast information periods, where in the broadcast information periods, the second device receives information sent by the first device once after sending information each time;

the second connection module 92 is further configured to perform connection confirmation between the first device and the second device in K confirmation information periods; in K confirmation information periods, the second equipment is used as a wireless connection confirmed party and searches confirmation information sent by the first equipment; if the second equipment receives the confirmation information at least once, the second equipment enters a connection state to carry out wireless communication with the first equipment based on a preset communication rule; and if the second equipment does not receive the confirmation information after receiving at least two times, returning to the initial state.

N, K are all positive integers.

the second connection module 92 is further configured to perform connection information interaction between the second device and the first device in M connection information time periods, in each connection information time period, the second device sends connection information to the first device once every time the second device receives connection information sent by the first device once, where M is a natural number.

the second connection module 92, configured to search for the acknowledgment information sent by the first device as a wireless connection acknowledged party in the K acknowledgment information periods, where the second device is further configured to: k is greater than or equal to 1, the second device serves as a wireless connection confirmed party and receives confirmation information sent by the first device on the basis of at least two channels in each confirmation information period;

alternatively, the first and second electrodes may be,

the second connection module 92, configured to search for the acknowledgment information sent by the first device as a wireless connection acknowledged party in the K acknowledgment information periods, where the second device is further configured to: and K is larger than 1, the second device serves as a wireless connection confirmed party and receives the confirmation information sent by the first device on the basis of one channel in each confirmation information period.

the second connection module 92 is further configured to detect the communication quality of the current communication environment, and determine that the communication quality of the current communication environment is poor quality if the communication quality of the current communication environment is lower than a preset communication quality threshold;

the second connection module 92 is further configured to, if the communication quality of the current communication environment is poor quality, increase, by the second device, the number of times of sending the acknowledgment information based on a preset adjustment step length, and send the increased number of times of sending the acknowledgment information and/or a sending channel of the acknowledgment information to the second device.

the second connection module 92 is further configured to, in the wireless connection establishment state, make an initiation request and a decision of a wireless communication connection between the first device and the second device in N broadcast information time periods, where the initiation request and the decision include:

the second connection module 92 is further configured to, as a wireless connection receiver, send broadcast information in each broadcast information period, and after sending the broadcast information each time, serve as a wireless connection confirmed party to search for confirmation information sent by the first device in K confirmation information periods;

the second connection module 92 is further configured to return to the initial state if the second device does not receive the acknowledgement information after completing the broadcast information transmission in all broadcast information periods.

the second connection module 92 is further configured to, in a wireless connection establishment state, perform initiation request and decision of wireless communication connection between the second device and the first device in N broadcast information periods, and perform connection information interaction in M connection information periods, including:

the second connection module 92 is further configured to, when M is not equal to zero and is an even number, use the second device as a wireless connection receiver, send broadcast information in each broadcast information period, and search for connection information sent by the first device after sending broadcast information each time;

the second connection module 92 is further configured to enter M connection information time periods if the second device receives the connection information;

the second connection module 92 is further configured to return to the initial state if the second device completes broadcast information transmission in all broadcast information time periods and does not receive connection information;

a second connection module 92, configured to, during M connection information periods, receive, by the second device, connection information from the first device during odd connection information periods, and send, by the second device, connection information to the first device during even connection information periods;

the second connection module 92 is further configured to enter K acknowledgement information time periods after the second device completes receiving and sending all connection information;

the second connection module 92 is further configured to return to the initial state when the second device fails to correctly send or receive any one of the connection information, or determines to terminate the connection establishment when the connection information is exchanged.

the second connection module 92 is further configured to, when M is not equal to zero and M is an odd number, use the second device as a wireless connection initiator to search for broadcast information broadcast by the first device;

the second connection module 92 is further configured to determine whether to initiate a wireless connection based on the broadcast information if the second device receives the broadcast information in any broadcast information period; if the wireless connection is determined to be initiated, the second equipment enters M connection information time periods;

the second connection module 92 is further configured to return to the initial state if the second device does not receive the broadcast information, or if the second device determines not to initiate the wireless connection;

a second connection module 92, configured to send, in M connection information periods, connection information to the first device by the second device in odd connection information periods, and receive, in even connection information periods, connection information from the first device;

The connecting device 90 for wireless communication according to the embodiment of the present application can implement each process implemented by the method embodiments in fig. 6 and fig. 7, and achieve the same technical effect, and is not described herein again to avoid repetition.

An electronic device 100 is provided in an embodiment of the present invention, referring to fig. 10, fig. 10 is a schematic block diagram of the electronic device 100 in the embodiment of the present invention, and includes a processor 101, a memory 102, and a program or an instruction stored in the memory 102 and executable on the processor 101, where the program or the instruction implements a step in any wireless communication connection method in the present invention when executed by the processor.

The embodiment of the present invention provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or the instruction is executed by a processor, the program or the instruction implements each process of the embodiment of the connection confirmation method for wireless communication, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here.

The readable storage medium may be a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.

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

1. A connection method of wireless communication is applied to a first device, and is characterized by comprising the following steps:

n, K are all positive integers.

2. The connection method for wireless communication according to claim 1, further comprising, in the wireless connection establishment state:

3. The connection method for wireless communication according to claim 1 or 2, wherein the first device, as a wireless connection acknowledging party, sends acknowledgement information to the second device a plurality of times in the K acknowledgement information periods, and comprises: k is greater than or equal to 1, the first device serves as the wireless connection confirmation party, and the confirmation information is sent to the second device on the basis of at least two channels in each confirmation information period;

alternatively, the first and second electrodes may be,

4. The method of claim 3, wherein the step of receiving the request includes receiving a request for connection of the wireless communication,

the first device and the second device make an initiation request and a decision of wireless communication connection in N broadcast information periods, and the initiation request and the decision comprise the following steps:

and the first equipment receives or transmits the transmission times of the confirmation information and/or the transmission channel of the confirmation information based on the broadcast information in the broadcast information period.

5. The method of claim 3, wherein the step of receiving the request includes receiving a request for connection of the wireless communication,

the first device and the second device perform connection information interaction in M connection information periods, including:

6. The method of connecting for wireless communication according to claim 4 or 5,

7. The method according to claim 1, wherein in the wireless connection setup state, the first device and the second device make an initiation request and a decision for a wireless communication connection in N broadcast information periods, including:

8. The method according to claim 2, wherein in the wireless connection setup state, the first device and the second device perform initiation request and decision of wireless communication connection in N broadcast information periods, and perform connection information interaction in M connection information periods, including:

when M is not equal to zero, and M is even,

9. The method according to claim 2, wherein in the wireless connection setup state, the first device and the second device perform initiation request and decision of wireless communication connection in N broadcast information periods, and perform connection information interaction in M connection information periods, including:

when M is not equal to zero, and M is an odd number,

10. The method of claim 2, wherein the method further comprises,

the preset communication rule comprises at least one of the following items: the method comprises the following steps of communication interval, access codes, a channel list, a modulation mode, a frequency hopping mode, a spread spectrum mode, channel coding and an information encryption mode;

the first device is a low-power Bluetooth wireless communication device;

the confirmation information is packaged by adopting a low-power Bluetooth connection response packet type;

11. A connection method of wireless communication is applied to a second device, and is characterized by comprising the following steps:

n, K are all positive integers.

12. The connection method for wireless communication according to claim 11, further comprising, in the wireless connection establishment state:

13. The connection method according to claim 11 or 12, wherein the searching for the acknowledgement information sent by the first device by the second device as a wireless connection acknowledged party in the K acknowledgement information periods comprises: k is greater than or equal to 1, the second device serves as a wireless connection confirmed party and receives confirmation information sent by the first device on the basis of at least two channels in each confirmation information period;

alternatively, the first and second electrodes may be,

14. The method of claim 13, wherein the step of receiving the request includes receiving a request for connection of the wireless communication,

15. The method according to claim 11, wherein in the wireless connection setup state, the first device and the second device make an initiation request and a decision for a wireless communication connection in N broadcast information periods, including:

16. The method according to claim 12, wherein in the wireless connection setup state, the second device and the first device perform initiation request and decision of wireless communication connection in N broadcast information periods, and perform connection information interaction in M connection information periods, including:

when M is not equal to zero, and M is even,

17. The method according to claim 12, wherein in the wireless connection setup state, the second device and the first device perform initiation request and decision of wireless communication connection in N broadcast information periods, and perform connection information interaction in M connection information periods, including:

when M is not equal to zero, and M is an odd number,

the second equipment is used as a wireless connection initiator to search broadcast information broadcast and sent by the first equipment;

if the second equipment does not receive the broadcast information or if the second equipment determines not to initiate wireless connection, returning to an initial state;

18. A connecting device for wireless communication, applied to a first device, comprising:

19. A connecting device for wireless communication, applied to a second device, comprising:

a transmission module, configured to, in a wireless connection establishment state, perform initiation request and decision of wireless communication connection between a first device and a second device in N broadcast information periods, where, in the broadcast information periods, after the second device sends information each time, the second device receives information sent by the first device once;

a second connection module, configured to perform connection confirmation between the first device and the second device in K confirmation information periods, where N, K are positive integers; in the K confirmation information periods, the second device is used as a wireless connection confirmed party to search the confirmation information sent by the first device; if the second equipment receives the confirmation information at least once, the second equipment enters a connection state to carry out wireless communication with the first equipment based on a preset communication rule; and if the second equipment does not receive the confirmation information after receiving at least twice, returning to the initial state.

20. An electronic device, characterized in that: comprising a processor, a memory and a program or instructions stored on the memory and executable on the processor, which program or instructions, when executed by the processor, implement the steps in the method of connection confirmation of wireless communication according to any of claims 1 to 17.

21. A readable storage medium, characterized by: the readable storage medium stores thereon a program or instructions which, when executed by a processor, implement the steps in the connection confirmation method of wireless communication according to any one of claims 1 to 17.