CN107820325B - Wireless communication method and system, computer storage medium and device - Google Patents
Wireless communication method and system, computer storage medium and device Download PDFInfo
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- CN107820325B CN107820325B CN201711193255.4A CN201711193255A CN107820325B CN 107820325 B CN107820325 B CN 107820325B CN 201711193255 A CN201711193255 A CN 201711193255A CN 107820325 B CN107820325 B CN 107820325B
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Abstract
The invention relates to a wireless communication method and system, a computer storage medium and a device, wherein the method comprises the following steps: receiving a frequency hopping sequence and a wireless communication address transmitted by a first wireless communication device; acquiring a frequency channel to be monitored according to the frequency hopping sequence; determining terminal equipment which communicates with the first wireless communication device according to the wireless communication address in the frequency channel to be monitored; and monitoring a wireless link between the first wireless communication device and the terminal equipment. According to the technical scheme, the first wireless communication device and the terminal equipment establish the wireless link for communication, other wireless communication devices monitor the link and acquire the monitored data, so that wireless communication among the devices is realized, connection between a plurality of communication devices and the terminal equipment is not needed, or the same communication data is forwarded for multiple times, and the efficiency of data transmission in the wireless communication is improved.
Description
Technical Field
The present invention relates to the field of wireless communication technologies, and in particular, to a wireless communication method and system, a computer storage medium, and a device.
Background
In the process of wireless communication, when one terminal device is required to send one piece of communication data to a plurality of communication devices, the terminal device generally copies a plurality of pieces of communication data and sends each piece of communication data to each communication device through wireless connection; or the communication data is firstly sent to a communication device which establishes wireless connection with the communication device, and then the communication device respectively forwards the communication data to other communication devices, thereby realizing wireless communication.
One typical application scenario is the bluetooth communication scenario. Taking the example that the terminal equipment is a mobile phone and the communication device is a Bluetooth headset, when the mobile phone needs to send audio data to a plurality of Bluetooth headsets, the mobile phone establishes connection with each Bluetooth headset, copies the audio data and sends the copied audio data to each Bluetooth headset one by one; or the audio data is firstly sent to the earphone which is connected with the mobile phone through the Bluetooth, and then the earphone respectively forwards the audio data to other Bluetooth earphones, thereby realizing the Bluetooth communication.
The inventor finds that the wireless communication method has the technical problem of low data transmission efficiency in the process of realizing the wireless communication method.
Disclosure of Invention
In view of the above, it is necessary to provide a wireless communication method and system, a computer storage medium, and a device, aiming at the technical problem of low transmission efficiency of wireless communication data.
There is provided a wireless communication method including the steps of:
receiving a frequency hopping sequence and a wireless communication address transmitted by a first wireless communication device;
acquiring a frequency channel to be monitored according to the frequency hopping sequence;
determining terminal equipment which communicates with the first wireless communication device according to the wireless communication address in the frequency channel to be monitored;
and monitoring a wireless link between the first wireless communication device and the terminal equipment.
Acquiring a transmission time interval for data packet transmission with the first wireless communication device; receiving a monitoring control instruction sent by the first wireless communication device in the transmission time interval; and controlling the monitoring operation according to the monitoring control instruction. By utilizing the transmission time interval in the data transmission process to carry out communication, the transmission of additional information can be realized without influencing normal communication, and the data transmission efficiency of communication is improved.
After the step of obtaining the transmission time interval for transmitting the data packet with the first wireless communication device, numbering the monitored data packet to obtain first numbering information; receiving second number information sent by the first wireless communication device, wherein the second number information is the number information of a data packet received by the first wireless communication device; and acquiring third number information of the monitoring missing data packet according to the first number information and the second number information. The monitored data packet is compared with the data packet received by the first wireless communication device, the missing data packet in the monitoring process is determined, and the effect of wireless communication data transmission is improved.
After the step of acquiring third number information of the monitoring missing data packet, the method further comprises the step of sending the third number information to the first wireless communication device; and receiving a compensation data packet sent by the first wireless communication device according to the third number information. After determining that the missing data packet occurs in the monitoring process, receiving the compensation data packet sent by the first wireless communication device, so that the data integrity of wireless communication data transmission is improved, and the communication effect is improved.
After the step of acquiring third number information of the monitoring missing data packet, the method further comprises the step of sending the third number information to the first wireless communication device; the first wireless communication device sends a data packet compensation request to the terminal equipment according to the third number information, and the terminal equipment sends a compensation data packet to the first wireless communication device according to the data packet compensation request; and monitoring the compensation data packet. The number information of the data packet missing in the monitoring process is sent to the first wireless communication device, so that the first wireless communication device sends a compensation request to the terminal equipment, and then monitors the compensation data returned by the terminal equipment, thereby improving the data integrity of wireless communication data transmission and improving the communication data transmission efficiency.
A method of wireless communication, comprising the steps of:
acquiring a frequency hopping sequence used by a terminal device and a wireless communication address of the terminal device through a wireless link established with the terminal device;
and sending the frequency hopping sequence and the wireless communication address to a second wireless communication device, wherein the second wireless communication device acquires a frequency channel to be monitored according to the frequency hopping sequence, and monitors the wireless link according to the wireless communication address in the frequency channel to be monitored.
The method comprises the steps of receiving a data packet sent by the terminal equipment, numbering the data packet and acquiring second numbering information; receiving first number information sent by a second wireless communication device, wherein the first number information is the number information of a data packet monitored by the second wireless communication device; and acquiring third number information of the monitoring missing data packet according to the second number information and the first number information. By comparing the received data packet with the data packet monitored by the second wireless communication device, the missing data packet in the monitoring process is determined, and the effect of wireless communication data transmission is improved.
After the step of acquiring the third number information of the monitoring missing data packet, the method further comprises the step of acquiring a third wireless communication device corresponding to fourth number information containing the third number information according to the third number information; and sending a compensation control instruction to the third wireless communication device, wherein the compensation control instruction comprises second wireless communication device identification information and third number information, and the third wireless communication device sends a compensation data packet to the second wireless communication device according to the second wireless communication device identification information and the third number information. The second wireless communication device which monitors missing data packets and the third wireless communication device which contains the monitoring missing data packets are determined to be present, and the third wireless communication device is controlled to send the compensation data packets to the second wireless communication device, so that the data integrity of wireless communication data transmission is improved, and the communication data transmission efficiency is improved.
A wireless communication system, comprising:
the receiving module is used for receiving the frequency hopping sequence and the wireless communication address sent by the first wireless communication device;
the acquisition module is used for acquiring a channel to be monitored according to the frequency hopping sequence;
a determining module, configured to determine, in the to-be-monitored frequency channel, a terminal device that communicates with the first wireless communication apparatus according to the wireless communication address;
and the monitoring module is used for monitoring a wireless link between the first wireless communication device and the terminal equipment.
A wireless communication system, comprising:
an acquisition module: the terminal equipment comprises a frequency hopping sequence and a wireless communication address, wherein the frequency hopping sequence is used by the terminal equipment and the wireless communication address of the terminal equipment are acquired through a wireless link established with the terminal equipment;
a sending module: and the second wireless communication device is used for sending the frequency hopping sequence and the wireless communication address to a second wireless communication device, wherein the second wireless communication device acquires a frequency channel to be monitored according to the frequency hopping sequence, and monitors the wireless link in the frequency channel to be monitored according to the wireless communication address.
A computer storage medium having stored thereon a computer program which, when executed by a processor, implements the wireless communication method.
A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the wireless communication method when executing the program.
According to the wireless communication method and system, the computer storage medium and the computer storage equipment, the first wireless communication device and the terminal equipment establish a wireless link for communication, other wireless communication devices monitor the link to obtain monitored data, wireless communication among the devices is achieved, connection between a plurality of communication devices and the terminal equipment is not needed, or the same communication data is forwarded for multiple times, and the efficiency of data transmission in the wireless communication is improved.
Drawings
Fig. 1 is a flow diagram of a method of wireless communication according to one embodiment;
FIG. 2 is a diagram of a conventional Bluetooth communication method according to one embodiment;
fig. 3 is a diagram illustrating a conventional bluetooth communication method according to another embodiment;
FIG. 4 is a diagram of a Bluetooth communication method of an embodiment;
FIG. 5 is a diagram illustrating a conventional Bluetooth communication data transmission according to one embodiment;
FIG. 6 is a diagram illustrating data transmission for Bluetooth communication according to one embodiment;
FIG. 7 is a diagram illustrating data transmission in another embodiment of Bluetooth communication;
fig. 8 is a schematic diagram of a bluetooth communication method according to another embodiment;
FIG. 9 is a timing diagram of a Bluetooth communication method of an embodiment;
fig. 10 is a flow diagram of a method of wireless communication according to another embodiment;
fig. 11 is a block diagram of a wireless communication system of an embodiment;
fig. 12 is a block diagram of a wireless communication system according to another embodiment.
Detailed Description
The technical solution of the present invention will be described in detail below with reference to specific embodiments and accompanying drawings to make it more clear.
As shown in fig. 1, an embodiment of the present invention provides a wireless communication method, which may include the following steps:
s10: receiving a frequency hopping sequence and a wireless communication address transmitted by a first wireless communication device;
s20: acquiring a frequency channel to be monitored according to the frequency hopping sequence;
s30: determining terminal equipment which communicates with the first wireless communication device according to the wireless communication address in the frequency channel to be monitored;
s40: and monitoring a wireless link between the first wireless communication device and the terminal equipment.
The Wireless communication may include a bluetooth communication mode, a GSM (Global System for Mobile), a Wi-Fi (Wireless-Fidelity, Wireless broadband), a ZigBee (ZigBee) and other Wireless communication modes, the Wireless communication address is an address of a terminal device that establishes Wireless connection with the first Wireless communication apparatus, and the address may be a logical address or a physical address, and in practical applications, the Wireless communication may be a bluetooth communication, and the corresponding Wireless communication address is a bluetooth address. For convenience of description, bluetooth communication is taken as an example for illustration. In the Bluetooth communication method, the terminal equipment can be a mobile phone, and other communication devices are Bluetooth devices. The device for establishing the wireless link with the mobile phone is a connected Bluetooth device, the device for monitoring the wireless link is a monitoring Bluetooth device, and the number of the monitoring Bluetooth devices can be multiple. The steps described in this embodiment may all be performed by the listening bluetooth device.
As shown in fig. 2 and fig. 3, in the conventional bluetooth communication method of the embodiment, the technical scheme of fig. 2 is that a bluetooth connection is established between a bluetooth headset 1 and a mobile phone and between the bluetooth headset 1 and the bluetooth headset 2, audio data is sent to the bluetooth headset 1 through the mobile phone, and then the bluetooth headset 1 forwards the audio data to the bluetooth headset 2, thereby implementing bluetooth communication. The technical solution of fig. 3 is improved on the basis of the technical solution of fig. 2, that is, when the bluetooth headset 1 transmits audio data to the bluetooth headset 2, the data can be selected or compressed, so as to improve the data transmission efficiency. However, according to the conventional bluetooth communication method shown in fig. 2 and 3, when there are a plurality of bluetooth headsets, the bluetooth headset connected to the mobile phone is required to forward the received audio data to each of the other bluetooth headsets for many times to implement bluetooth communication, and therefore, the technical problems of low transmission efficiency of bluetooth communication data, large data transmission in communication between bluetooth devices, and poor expansibility obviously exist.
The present invention provides a wireless communication method, which aims to solve the technical problems of low data transmission efficiency of wireless communication data and large data transmission and poor expansibility of communication between wireless devices, and is a bluetooth communication method provided by an embodiment of the present invention as shown in fig. 4, wherein a bluetooth connection is established between a bluetooth headset and a mobile phone, the headset is a connected bluetooth headset, and a bluetooth connection is also established between the connected bluetooth headset and other headsets, and the other headsets are monitoring bluetooth headsets. The monitoring Bluetooth earphone monitors a connection link between the mobile phone and the connected Bluetooth earphone to acquire monitoring data according to monitoring necessary information sent by the connected Bluetooth earphone when the connected Bluetooth earphone receives audio data sent by the mobile phone or when the mobile phone receives data sent by the Bluetooth earphone, so that Bluetooth communication can be realized without connecting the Bluetooth earphone to forward the audio data.
In step S10, the method may further include receiving necessary listening information, which may include an encryption key, a sync word, and a local clock, other than the hopping sequence and the wireless communication address transmitted by the first wireless communication device. The transmitted data is encrypted through the encryption key and decrypted after the data is monitored and acquired, so that the safety of data transmission in wireless communication is improved; through the synchronous words, effective information in the information obtained by monitoring is accurately positioned and monitored, and the efficiency of wireless communication is improved; through the local clock, data during wireless communication is synchronously monitored, continuous monitoring is not needed according to the consistency of the receiving and sending time of the first wireless communication device, the efficiency of the wireless communication is improved, and the frequency hopping time can be acquired and determined through the local clock, so that the target monitoring frequency channel is continuously tracked according to the frequency hopping sequence, the correct frequency channel is kept monitored in the process of the wireless communication, and the wireless communication effect is improved.
In one embodiment, the monitoring bluetooth device receives the bluetooth communication clock CLKN sent by the connection bluetooth device, the transceiving time of the monitoring bluetooth device is consistent with that of the connection bluetooth device according to the bluetooth communication clock CLKN, and when monitoring the connection link between the connection bluetooth device and the mobile phone, monitoring is performed only when there is data communication between the mobile phone and the connection bluetooth device, so that monitoring is not required to be continuously maintained, and the efficiency of bluetooth communication is improved.
In one embodiment, the listening bluetooth device adds and de-noises by receiving the bluetooth communication clock CLKN transmitted by the connected bluetooth device. When the mobile phone sends the audio data to the connected Bluetooth device through Bluetooth connection, the audio data are disordered according to a Bluetooth protocol, the monitoring Bluetooth device acquires the disordered audio data through monitoring a link between the mobile phone and the connected Bluetooth device, and the monitoring Bluetooth device arranges the disordered audio data according to the acquired Bluetooth communication clock CLKN and restores the disordered audio data into original audio data, so that the safety of data transmission in the communication process is improved.
In the embodiment of the present invention, the method further includes acquiring a transmission time interval for performing packet transmission with the first wireless communication device, and receiving a monitoring control instruction sent by the first wireless communication device in the transmission time interval, and controlling the monitoring operation according to the monitoring control instruction. The monitoring control instruction can comprise a monitoring pause instruction, a monitoring resume instruction, a monitoring data destruction instruction and the like, user-defined information sent by the first wireless communication device can be received in a transmission time interval, communication is carried out by utilizing the transmission time interval in the data transmission process, additional information or instruction transmission can be realized without influencing normal communication, and the data transmission efficiency of communication is improved.
In one embodiment, through the bluetooth protocol, when the monitoring bluetooth device and the connecting bluetooth device perform data transmission, a transmission time interval during which the monitoring bluetooth device receives a monitoring suspension instruction sent by the connecting bluetooth device, and suspends the monitoring operation according to the instruction, i.e., a bluetooth communication interval, is obtained. By using the communication interval between the Bluetooth devices, additional instructions or information transmission is performed, and the communication efficiency is further improved.
Fig. 5 is a schematic diagram of data transmission in conventional bluetooth communication, where a bluetooth connection is established between a mobile phone and a bluetooth headset 1, a bluetooth connection is established between the bluetooth mobile phone 1 and a bluetooth mobile phone 2, the bluetooth headset 1 receives data sent by the mobile phone first, and then the bluetooth headset 1 sends the received data to the bluetooth headset 2, and a technical problem of low data transmission efficiency obviously exists. The monitoring Bluetooth headset monitors the Bluetooth connection link, and can synchronously acquire data with the connection Bluetooth headset without waiting for the completion of data transmission between the mobile phone and the connection Bluetooth headset and then receive the data, so that the synchronous data reception is realized, and the data transmission efficiency in the communication process is improved. The technical solution shown in fig. 7 is improved over the technical solution shown in fig. 6, that is, when the bluetooth headset is connected to obtain data sent by the mobile phone and the monitoring bluetooth headset obtains monitoring data, additional information is transmitted by using a transmission time interval between the bluetooth headset and the monitoring bluetooth headset, where the additional information may be user-defined data or other commands, and by using a bluetooth communication interval, bluetooth protocol overhead is reduced, bluetooth polling times are reduced, and data transmission efficiency in a communication process is improved.
After the step of obtaining the transmission time interval for transmitting the data packet with the first wireless communication device, numbering the monitored data packet to obtain first numbering information; receiving second number information sent by the first wireless communication device, wherein the second number information is the number information of the data packet received by the first wireless communication device; and acquiring third number information of the monitoring missing data packet according to the first number information and the second number information. The monitored data packet is compared with the data packet received by the first wireless communication device, the missing data packet in the monitoring process is determined, and the effect of wireless communication data transmission is improved. The numbering method for numbering the data packets may be according to the receiving time of the data packets, or the numbering method for numbering the data packets may be set in the first communication device and the second communication device in advance, and the specific numbering method may be determined according to actual situations.
If the first number information is completely consistent with the second number information, it is determined that there is no monitoring missing data packet, at this time, a confirmation check packet sent by the first wireless communication device may be received within the transmission time interval, it is determined that there is no missing monitoring data, and data checking is performed by using the transmission interval, so as to improve the wireless communication efficiency.
In one embodiment, the monitoring bluetooth device numbers the monitored data packets according to the bluetooth communication clock CLKN sent by the bluetooth receiving device, obtains the first number information as 1, 2, 3, 5, 6, 7, and 8, that is, 7 monitoring data packets in total, receives the second number information sent by the connected bluetooth device as 1, 2, 3, 4, 5, 6, 7, 8, and 9, that is, 9 data packets in total, compares the first number information with the second number information, obtains the third number information of the monitoring missing data packets as 4 and 9, that is, determines that the monitoring bluetooth device has two data misses in the monitoring process.
After the step of acquiring the third number information of the monitoring missing data packet, the method may further include transmitting the third number information to the first wireless communication apparatus; and receiving the compensation data packet sent by the first wireless communication device according to the third number information. After determining that the missing data packet occurs in the monitoring process, receiving the compensation data packet sent by the first wireless communication device, so that the data integrity of wireless communication data transmission is improved, and the communication effect is improved.
As shown in fig. 8, in one embodiment of bluetooth communication, the monitoring bluetooth headset monitors a communication link between the mobile phone and the connected bluetooth headset to obtain monitored data, the monitoring bluetooth headset numbers the monitored data to obtain first number information, receives second number information sent by the connected bluetooth headset, and determines that third number information of the monitoring missing data packet is 4 and 9 according to the first and second number information. And in the transmission time interval of data transmission with the connected Bluetooth earphone, the monitoring Bluetooth earphone sends the third number information to the connected Bluetooth earphone and receives a compensation data packet returned by the connected Bluetooth earphone, namely a data packet with the number information of 4 and a data packet with the number information of 9. Therefore, when missing data occurs in the monitoring process, the missing data is compensated, the monitoring missing data is compensated by using the transmission time interval, and the data transmission efficiency is improved. Meanwhile, in the transmission time interval, command and confirmation packet transmission between the Bluetooth devices can be carried out, the polling process and the communication transmission information amount between the connected Bluetooth devices and the monitoring Bluetooth device are reduced, the Bluetooth transmission between the connected Bluetooth devices and the mobile phone is not interfered, and the communication effect is improved.
After the step of acquiring the third number information of the monitoring missing data packet, the method may further include transmitting the third number information to the first wireless communication apparatus; the first wireless communication device sends a data packet compensation request to the terminal equipment according to the third serial number information, and the terminal equipment sends a compensation data packet to the first wireless communication device according to the data packet compensation request; and monitoring the compensation data packet. The number information of the data packet missing in the monitoring process is sent to the first wireless communication device, so that the first wireless communication device sends a compensation request to the terminal equipment, and then monitors the compensation data returned by the terminal equipment, thereby improving the data integrity of wireless communication data transmission and improving the communication data transmission efficiency.
In one embodiment, the monitoring bluetooth device obtains the third number information of the monitoring missing data packets as 4 and 9, the monitoring bluetooth device sends the number information to the connecting bluetooth device, the connecting bluetooth device sends a data compensation request to the mobile phone according to the third number information, the mobile phone sends a compensation data packet containing the data packet 4 and the data packet 9 to the connecting bluetooth device according to the data compensation request, and the monitoring bluetooth device monitors the link between the mobile phone and the connecting bluetooth device to obtain the compensation data packet, namely, the compensation of the monitoring missing data packet is realized.
As shown in fig. 9, the bluetooth headset is first opened to perform free pairing, the bluetooth headsets complete bluetooth connection with each other and complete additional information transmission connection negotiation, and then all the bluetooth headsets wait for discovery search and connection of the mobile phone, wherein one bluetooth headset connected with the mobile phone is a connected bluetooth headset, the other bluetooth headsets are monitoring bluetooth headsets, the connected bluetooth headset transmits necessary information for synchronously monitoring the mobile phone, including a frequency hopping sequence, a mobile phone bluetooth address, a synchronization word, a bluetooth communication clock CLKN and an encryption key, to the monitoring bluetooth headset according to the connection established with the mobile phone, and the mobile phone and the bluetooth headset keep connected and wait for data transmission; when the mobile phone transmits data to the connecting Bluetooth headset, the monitoring Bluetooth headset synchronously monitors a connecting link between the mobile phone and the connecting Bluetooth headset according to the monitoring necessary information to acquire a monitoring data packet. The monitoring data packets are numbered according to a Bluetooth communication clock CLKN, first number information is obtained to be 1 and 3, second number information 1, 2 and 3 sent by a connected Bluetooth earphone is received by utilizing a transmission time interval existing when the connected Bluetooth earphone transmits data, the second number information is the number information of the data packets received by the connected Bluetooth earphone, third number information 2 of the monitoring missing data packets is determined according to the first number information and the second number information, the connected Bluetooth earphone sends a compensation request to the mobile phone according to the third number information, and the monitoring Bluetooth earphone monitors the compensating data packets returned by the mobile phone according to the compensation request, so that the missing data packets are obtained.
In the bluetooth communication method shown in fig. 9, the synchronous listening reception is added on the basis of the standard bluetooth protocol, and the additional information transmission is added by using the transceiving conversion gap of bluetooth, so that as long as the mobile phone is connected to any one bluetooth headset, other bluetooth headsets can listen to the data sent by the mobile phone, thereby completing the bluetooth communication. If the monitoring earphone will the data is all monitored, then can to monitor the earphone send contain a small amount of data confirm the package can, reduced bluetooth communication's between bluetooth earphone data volume, guarantee communication data transmission rate, improve communication effect and expansibility, improved communication data transmission's efficiency.
According to the wireless communication method, the wireless link between the first wireless communication and the terminal equipment in the target frequency channel to be monitored is obtained by receiving the frequency hopping sequence and the wireless communication address sent by the first wireless communication device, and the link is monitored, so that the communication data is obtained, the wireless communication is realized, a plurality of communication devices are not required to be connected with the terminal equipment or the same communication data is not required to be forwarded for multiple times, the efficiency and the expandability of data transmission in the wireless communication are improved, and the complexity of the technical scheme is reduced.
As shown in fig. 10, an embodiment of the present invention provides a wireless communication method, which may include the following steps:
s102: acquiring a frequency hopping sequence used by a terminal device and a wireless communication address of the terminal device through a wireless link established with the terminal device;
s202: and sending the frequency hopping sequence and the wireless communication address to a second wireless communication device, wherein the second wireless communication device acquires a frequency channel to be monitored according to the frequency hopping sequence, and monitors the wireless link according to the wireless communication address in the frequency channel to be monitored.
The Wireless communication may include a bluetooth communication mode, a GSM (Global System for Mobile), a Wi-Fi (Wireless-Fidelity, Wireless broadband), a ZigBee (ZigBee) and other Wireless communication modes, the Wireless communication address is an address of a terminal device that establishes Wireless connection with the first Wireless communication apparatus, and the address may be a logical address or a physical address, and in practical applications, the Wireless communication may be a bluetooth communication, and the corresponding Wireless communication address is a bluetooth address. For convenience of description, bluetooth communication is taken as an example for illustration. In the Bluetooth communication method, the terminal equipment can be a mobile phone, and other communication devices are Bluetooth devices. The device for establishing the wireless link with the mobile phone is a connected Bluetooth device, the device for monitoring the wireless link is a monitoring Bluetooth device, and the number of the monitoring Bluetooth devices can be multiple. The steps described in this embodiment may be performed by a connected bluetooth device.
The method also comprises the steps of acquiring a transmission time interval when the data packet is transmitted with the terminal equipment, sending a monitoring control instruction or additional information to the second wireless communication device in the time interval, and controlling the monitoring operation of the second wireless communication device or sending additional information such as a confirmation packet and a check packet to the second wireless communication device. By using the transmission time interval, additional transmission of instructions or information can be realized without affecting data transmission with the terminal equipment, and the wireless communication efficiency is improved.
The method comprises the steps of receiving a data packet sent by terminal equipment, numbering the data packet and acquiring second numbering information; receiving first number information sent by a second wireless communication device, wherein the first number information is the number information of a data packet monitored by the second wireless communication device; and acquiring third number information of the monitoring missing data packet according to the second number information and the first number information. By comparing the received data packet with the data packet monitored by the second wireless communication device, the missing data packet in the monitoring process is determined, and the effect of wireless communication data transmission is improved.
If the first number information is completely consistent with the second number information, it is determined that no monitoring missing data packet exists, at this time, a confirmation check packet may be sent to the second wireless communication device within the transmission time interval, it is determined that the monitoring data is not missing, and data checking is performed by using the transmission interval, so as to improve the wireless communication efficiency.
In one embodiment, the connected bluetooth device receives data packets sent by the mobile phone and numbers the data packets, obtains 9 data packets with second number information of 1, 2, 3, 4, 5, 6, 7, 8, and 9, and receives 7 monitored data packets with first number information of 1, 2, 3, 5, 6, 7, and 8 sent by the monitoring bluetooth device, thereby determining that the third numbers of the monitoring missing data packets are 4 and 9, that is, determining that two data missing exists in the monitoring process of the monitoring bluetooth device.
After the step of acquiring the third number information of the monitoring missing data packet, the method further comprises the step of acquiring a third wireless communication device corresponding to fourth number information containing the third number information according to the third number information; and transmitting a compensation control instruction to a third wireless communication device, wherein the compensation control instruction comprises second wireless communication device identification information and third number information, and the third wireless communication device transmits a compensation data packet to the second wireless communication device according to the second wireless communication device identification information and the third number information. The second wireless communication device which monitors missing data packets and the third wireless communication device which contains the monitoring missing data packets are determined to be present, and the third wireless communication device is controlled to send the compensation data packets to the second wireless communication device, so that the data integrity of wireless communication data transmission is improved, and the communication data transmission efficiency is improved.
In one embodiment, the connecting bluetooth device acquires number information of 1, 2, 3, 4, 5, 6, 7, 8, 9, determines that the first monitoring bluetooth device has third number information of 4 and 9 for monitoring missing data packets according to the number information transmitted by the first monitoring bluetooth device, and the colleagues transmit identification information of the first monitoring bluetooth device and the third number information to the second monitoring bluetooth device according to the number information of 1, 2, 3, 4, 5, 6, 7, 8, 9 transmitted by the second monitoring bluetooth device, wherein the third number information of 4 and 9 is included, so that the connecting bluetooth device acquires the first monitoring bluetooth device according to the identification information of the first monitoring bluetooth device and transmits compensation data packets including data packet number information of 4 and 9 to the first monitoring bluetooth device according to the third number information, and completing the compensation of the monitoring missing data packet.
According to the wireless communication method, the frequency hopping sequence and the wireless communication address which are used by the terminal equipment are obtained according to the wireless connection link established with the terminal equipment, and the frequency hopping sequence and the wireless communication address are sent to the second wireless communication device, so that the second wireless communication device obtains the wireless connection link in the target frequency channel to be monitored and monitors the link, communication data are obtained, wireless communication is achieved, connection between a plurality of communication devices and the terminal equipment is not needed, or the same communication data is not needed to be forwarded for multiple times, and the efficiency of data transmission in the wireless communication is improved.
A wireless communication system, comprising:
a receiving module 10, configured to receive a frequency hopping sequence and a wireless communication address sent by a first wireless communication device;
an obtaining module 20, configured to obtain a frequency channel to be monitored according to the frequency hopping sequence;
a determining module 30, configured to determine, according to the wireless communication address, a terminal device communicating with the first wireless communication apparatus in the frequency channel to be monitored;
and a monitoring module 40, configured to monitor a wireless link between the first wireless communication apparatus and a terminal device.
The functions of the modules of this embodiment can be implemented by a monitoring device that monitors the wireless link between the terminal device and the first wireless communication device.
The receiving module S10 may further include receiving necessary information for listening, which may include an encryption key, a sync word, and a local clock, other than the hopping sequence and the wireless communication address transmitted by the first wireless communication device. The receiving module S10 is used for receiving the encryption key, encrypting the sent data and decrypting the data after monitoring the acquired data, so that the security of data transmission during wireless communication is improved; by receiving the synchronous words, effective information in the information obtained by monitoring is accurately positioned and monitored, and the efficiency of wireless communication is improved; the data during wireless communication is synchronously monitored by receiving the local clock, continuous monitoring is not needed according to the consistency of the receiving and sending time of the first wireless communication device, the efficiency of the wireless communication is improved, the frequency hopping time can be acquired and determined through the local clock, so that the target monitoring frequency channel is continuously tracked according to the frequency hopping sequence, the correct frequency channel is kept monitored in the process of the wireless communication, and the wireless communication effect is improved.
In one embodiment, the monitoring bluetooth device receives the bluetooth communication clock CLKN sent by the connection bluetooth device, the transceiving time of the monitoring bluetooth device is consistent with that of the connection bluetooth device according to the bluetooth communication clock CLKN, and when monitoring the connection link between the connection bluetooth device and the mobile phone, monitoring is performed only when there is data communication between the mobile phone and the connection bluetooth device, so that monitoring is not required to be continuously maintained, and the efficiency of bluetooth communication is improved.
In one embodiment, the listening bluetooth device adds and de-noises by receiving the bluetooth communication clock CLKN transmitted by the connected bluetooth device. When the mobile phone sends the audio data to the connected Bluetooth device through Bluetooth connection, the audio data are disordered according to a Bluetooth protocol, the monitoring Bluetooth device acquires the disordered audio data through monitoring a link between the mobile phone and the connected Bluetooth device, and the monitoring Bluetooth device arranges the disordered audio data according to the acquired Bluetooth communication clock CLKN and restores the disordered audio data into original audio data, so that the safety of data transmission in the communication process is improved.
The monitoring module 40 may further include an interval obtaining unit, configured to obtain a transmission time interval for data packet transmission with the first wireless communication device, and receive a monitoring control instruction sent by the first wireless communication device during the transmission time interval, and control the monitoring operation according to the monitoring control instruction. The monitoring control instruction can comprise a monitoring pause instruction, a monitoring resume instruction, a monitoring data destruction instruction and the like, user-defined information sent by the first wireless communication device can be received in a transmission time interval, the interval acquisition unit is used for communicating by using the transmission time interval in the data transmission process, additional information or instruction transmission can be realized without influencing normal communication, and the data transmission efficiency of communication is improved.
In one embodiment, the interval acquisition unit acquires a transmission time interval of data transmission, that is, a bluetooth communication interval, during which the interval acquisition unit receives a monitoring suspension instruction sent by the connected bluetooth device and suspends a monitoring operation according to the instruction, when performing data transmission with the connected bluetooth device by using a bluetooth protocol.
The monitoring module 40 may further include a data checking unit, and after the interval obtaining unit obtains the transmission time interval for transmitting the data packet with the first wireless communication device, the data checking unit numbers the monitored data packet to obtain the first number information; receiving second number information sent by the first wireless communication device, wherein the second number information is the number information of the data packet received by the first wireless communication device; and the data checking unit acquires third serial number information of the monitoring missing data packet according to the first serial number information and the second serial number information. The data verification unit compares the monitored data packet with the data packet received by the first wireless communication device, and determines the missing data packet in the monitoring process, so that the effect of wireless communication data transmission is improved. The numbering method for numbering the data packets may be according to the receiving time of the received data packets, or the numbering method for numbering the data packets may be set in the first communication device and the second communication device in advance, and the specific numbering method may be determined according to actual situations.
If the first serial number information is completely consistent with the second serial number information, that is, the data checking unit confirms that no monitoring missing data packet exists, at this time, the data checking unit can receive the confirmation checking packet sent by the first wireless communication device within the transmission time interval, confirm that no monitoring data is missing, perform data checking by using the transmission interval, and improve the wireless communication efficiency.
In one embodiment, the monitoring bluetooth device numbers the monitored data packets according to the bluetooth communication clock CLKN sent by the bluetooth receiving device, obtains the first number information as 1, 2, 3, 5, 6, 7, and 8, that is, 7 monitoring data packets in total, receives the second number information sent by the connected bluetooth device as 1, 2, 3, 4, 5, 6, 7, 8, and 9, that is, 9 data packets in total, compares the first number information with the second number information, obtains the third number information of the monitoring missing data packets as 4 and 9, that is, determines that the monitoring bluetooth device has two data misses in the monitoring process.
After the data checking unit obtains the third number information of the monitoring missing data packet, the monitoring module 40 may further include a compensating unit, and the compensating unit sends the third number information to the first wireless communication device; and receiving the compensation data packet transmitted by the first wireless communication device according to the third number information. After the data verification unit determines that the missing data packet occurs in the monitoring process, the compensation unit receives the compensation data packet sent by the first wireless communication device, so that the data integrity of wireless communication data transmission is improved, and the communication effect is improved.
After the data checking unit acquires the third number information of the monitoring missing data packet, the compensating unit can also send the third number information to the first wireless communication device; the first wireless communication device sends a data packet compensation request to the terminal equipment according to the third serial number information, and the terminal equipment sends a compensation data packet to the first wireless communication device according to the data packet compensation request; and the compensation unit monitors the compensation data packet. The number information of the data packet missing in the monitoring process is sent to the first wireless communication device through the compensation unit, so that the first wireless communication device sends a compensation request to the terminal equipment, and then monitors the compensation data returned by the terminal equipment, thereby improving the data integrity of wireless communication data transmission and improving the communication data transmission efficiency.
In one embodiment, the monitoring bluetooth device obtains the third number information of the monitoring missing data packets as 4 and 9, the monitoring bluetooth device sends the number information to the connecting bluetooth device, the connecting bluetooth device sends a data compensation request to the mobile phone according to the third number information, the mobile phone sends a compensation data packet containing the data packet 4 and the data packet 9 to the connecting bluetooth device according to the data compensation request, and the monitoring bluetooth device monitors the link between the mobile phone and the connecting bluetooth device to obtain the compensation data packet, namely, the compensation of the monitoring missing data packet is realized.
The wireless communication system and the wireless communication method of the present invention are in one-to-one correspondence, and the technical features and the advantageous effects thereof described in the above embodiments of the wireless communication are applicable to the embodiments of the wireless communication system, which is hereby claimed.
According to the wireless communication system, the wireless link between the first wireless communication and the terminal equipment in the target frequency channel to be monitored is obtained by receiving the frequency hopping sequence and the wireless communication address sent by the first wireless communication device, and the link is monitored, so that the communication data is obtained, the wireless communication is realized, a plurality of communication devices are not required to be connected with the terminal equipment or the same communication data is not required to be forwarded for multiple times, and the efficiency of data transmission in the wireless communication is improved.
A wireless communication system, comprising:
the acquisition module 102: the terminal equipment comprises a frequency hopping sequence and a wireless communication address, wherein the frequency hopping sequence is used by the terminal equipment and the wireless communication address of the terminal equipment are acquired through a wireless link established with the terminal equipment;
the sending module 202: and the second wireless communication device is used for sending the frequency hopping sequence and the wireless communication address to a second wireless communication device, wherein the second wireless communication device acquires a frequency channel to be monitored according to the frequency hopping sequence, and monitors the wireless link in the frequency channel to be monitored according to the wireless communication address.
The functions of the modules of the present embodiment can be implemented by a wireless communication device that establishes a wireless connection with a terminal device.
The sending module 202 further obtains a transmission time interval when the data packet is transmitted with the terminal device, and in the time interval, sends a monitoring control instruction or additional information to the second wireless communication apparatus, and controls a monitoring operation of the second wireless communication apparatus or sends additional information such as a confirmation packet and a check packet to the second wireless communication apparatus. By using the transmission time interval, the data transmission between the terminal equipment and the terminal equipment is not influenced, and the wireless communication efficiency is improved.
The sending module 202 further receives a data packet sent by the terminal device, numbers the data packet, and obtains second number information; receiving first number information sent by a second wireless communication device, wherein the first number information is the number information of a data packet monitored by the second wireless communication device; and acquiring third number information of the monitoring missing data packet according to the second number information and the first number information. By comparing the received data packet with the data packet monitored by the second wireless communication device, the missing data packet in the monitoring process is determined, and the effect of wireless communication data transmission is improved. The process of comparing the number information by the sending module 202 can be performed in the data time interval of data transmission with the second wireless communication device, thereby improving the wireless communication efficiency.
If the first serial number information is completely consistent with the second serial number information, that is, the sending module 202 determines that there is no monitoring missing data packet, at this time, the sending module 202 may send a confirmation check packet to the second wireless communication device within the transmission time interval, and determine that there is no missing monitoring data, and perform data check by using the transmission interval, thereby improving the wireless communication efficiency.
In one embodiment, the connected bluetooth device receives data packets sent by the mobile phone and numbers the data packets, obtains 9 data packets with second number information of 1, 2, 3, 4, 5, 6, 7, 8, and 9, and receives 7 monitored data packets with first number information of 1, 2, 3, 5, 6, 7, and 8 sent by the monitoring bluetooth device, thereby determining that the third numbers of the monitoring missing data packets are 4 and 9, that is, determining that two data missing exists in the monitoring process of the monitoring bluetooth device.
After acquiring the third number information of the monitoring missing data packet, the sending module 202 further acquires a third wireless communication device corresponding to fourth number information containing the third number information according to the third number information; and transmitting a compensation control instruction to a third wireless communication device, wherein the compensation control instruction comprises second wireless communication device identification information and third number information, and the third wireless communication device transmits a compensation data packet to the second wireless communication device according to the second wireless communication device identification information and the third number information. The second wireless communication device which monitors missing data packets and the third wireless communication device which contains the monitoring missing data packets are determined to be present, and the third wireless communication device is controlled to send the compensation data packets to the second wireless communication device, so that the data integrity of wireless communication data transmission is improved, and the communication data transmission efficiency is improved.
In one embodiment, the connecting bluetooth device acquires number information of 1, 2, 3, 4, 5, 6, 7, 8, 9, determines that the first monitoring bluetooth device has third number information of 4 and 9 for monitoring missing data packets according to the number information transmitted by the first monitoring bluetooth device, and the colleagues transmit identification information of the first monitoring bluetooth device and the third number information to the second monitoring bluetooth device according to the number information of 1, 2, 3, 4, 5, 6, 7, 8, 9 transmitted by the second monitoring bluetooth device, wherein the third number information of 4 and 9 is included, so that the connecting bluetooth device acquires the first monitoring bluetooth device according to the identification information of the first monitoring bluetooth device and transmits compensation data packets including data packet number information of 4 and 9 to the first monitoring bluetooth device according to the third number information, and completing the compensation of the monitoring missing data packet.
The wireless communication system and the wireless communication method of the present invention are in one-to-one correspondence, and the technical features and the advantageous effects thereof described in the above embodiments of the wireless communication are applicable to the embodiments of the wireless communication system, which is hereby claimed.
According to the wireless communication system, the frequency hopping sequence and the wireless communication address which are used by the terminal equipment are obtained according to the wireless connection link established with the terminal equipment, and the frequency hopping sequence and the wireless communication address are sent to the second wireless communication device, so that the second wireless communication device obtains the wireless connection link in the target frequency channel to be monitored and monitors the link, communication data are obtained, wireless communication is achieved, connection between a plurality of communication devices and the terminal equipment is not needed, or the same communication data is not needed to be forwarded for multiple times, and the efficiency of data transmission in the wireless communication is improved.
The present invention also provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the method of wireless communication in any of the embodiments described above. The method executed by the computer readable storage medium is the same as the method of wireless communication in the above embodiments, and is not described herein again.
More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). Additionally, the computer-readable medium could even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, via for instance optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner if necessary, and then stored in a computer memory.
The invention also provides a computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the method of wireless communication in any of the above embodiments when executing the program. The method executed by the processor in the computer device is the same as the wireless communication method in the above embodiments, and is not described here again.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A wireless communication method applied to a second wireless communication apparatus, comprising:
receiving a frequency hopping sequence and a wireless communication address transmitted by a first wireless communication device; acquiring a frequency channel to be monitored according to the frequency hopping sequence;
determining terminal equipment which communicates with the first wireless communication device according to the wireless communication address in the frequency channel to be monitored;
monitoring a wireless link between the first wireless communication device and the terminal equipment;
wherein the wireless communication method further comprises: receiving monitoring necessary information sent by the first wireless communication device, wherein the monitoring necessary information comprises an encryption key, a synchronous word and a local clock; the encryption key is used for encrypting the sent data and decrypting the data after monitoring the obtained data; the synchronous word is used for accurately positioning effective information in the information acquired in the monitoring process; the local clock is used for synchronously monitoring data during wireless communication;
the wireless communication method further comprises:
acquiring a transmission time interval for data packet transmission with the first wireless communication device;
receiving a monitoring control instruction sent by the first wireless communication device in the transmission time interval; the monitoring control instruction comprises a monitoring pause instruction, a monitoring resume instruction and a monitoring data destruction instruction;
controlling the monitoring operation according to the monitoring control instruction;
the wireless communication method further comprises:
transmitting additional information within the transmission time interval; the additional information is located at the tail of the data packet, and the additional information comprises user-defined data.
2. The wireless communication method according to claim 1, further comprising, after the step of obtaining a transmission time interval for packet transmission with the first wireless communication device:
numbering the monitored data packets to obtain first numbering information;
receiving second number information sent by the first wireless communication device, wherein the second number information is the number information of a data packet received by the first wireless communication device;
and acquiring third number information of the monitoring missing data packet according to the first number information and the second number information.
3. The wireless communication method according to claim 2, wherein after the step of obtaining the third number information of the listening missing data packet, the method further comprises:
transmitting the third number information to the first wireless communication apparatus;
and receiving a compensation data packet sent by the first wireless communication device according to the third number information.
4. The wireless communication method according to claim 2, wherein after the step of obtaining the third number information of the listening missing data packet, the method further comprises:
transmitting the third number information to the first wireless communication apparatus; the first wireless communication device sends a data packet compensation request to the terminal equipment according to the third number information, and the terminal equipment sends a compensation data packet to the first wireless communication device according to the data packet compensation request;
and monitoring the compensation data packet.
5. A method of wireless communication, comprising the steps of:
acquiring a frequency hopping sequence used by a terminal device and a wireless communication address of the terminal device through a wireless link established with the terminal device;
sending the frequency hopping sequence and the wireless communication address to a second wireless communication device, wherein the second wireless communication device acquires a frequency channel to be monitored according to the frequency hopping sequence and monitors the wireless link according to the wireless communication address in the frequency channel to be monitored;
wherein the wireless communication method further comprises: transmitting monitoring necessary information to a second wireless communication device, wherein the monitoring necessary information comprises an encryption key, a synchronous word and a local clock; the encryption key is used for encrypting the transmitted data by the second wireless communication device and decrypting the encrypted data after monitoring the acquired data; the synchronization word is used for the second wireless communication device to accurately locate effective information in the information acquired in the monitoring process; the local clock is used for the second wireless communication device to synchronously monitor data during wireless communication;
the wireless communication method further comprises:
acquiring a transmission time interval for data packet transmission with the second wireless communication device;
transmitting a listen control instruction to the second wireless communication device during the transmission time interval; the monitoring control instruction is used for controlling monitoring operation, and comprises a monitoring pause instruction, a monitoring resume instruction and a monitoring data destruction instruction;
the wireless communication method further comprises:
transmitting additional information within the transmission time interval; the additional information is located at the tail of the data packet, and the additional information comprises user-defined data.
6. The wireless communication method according to claim 5, further comprising:
receiving a data packet sent by the terminal equipment, numbering the data packet, and acquiring second numbering information;
receiving first number information sent by a second wireless communication device, wherein the first number information is the number information of a data packet monitored by the second wireless communication device;
and acquiring third number information of the monitoring missing data packet according to the second number information and the first number information.
7. The wireless communication method according to claim 6, wherein after the step of obtaining the third number information of the listening missing data packet, the method further comprises:
acquiring a third wireless communication device corresponding to fourth number information containing the third number information according to the third number information;
and sending a compensation control instruction to the third wireless communication device, wherein the compensation control instruction comprises second wireless communication device identification information and third number information, and the third wireless communication device sends a compensation data packet to the second wireless communication device according to the second wireless communication device identification information and the third number information.
8. A wireless communication system, comprising:
the receiving module is used for receiving the frequency hopping sequence and the wireless communication address sent by the first wireless communication device;
the acquisition module is used for acquiring a channel to be monitored according to the frequency hopping sequence;
a determining module, configured to determine, in the to-be-monitored frequency channel, a terminal device that communicates with the first wireless communication apparatus according to the wireless communication address;
the monitoring module is used for monitoring a wireless link between the first wireless communication device and the terminal equipment;
the receiving module is further configured to receive monitoring necessary information sent by the first wireless communication apparatus, where the monitoring necessary information includes an encryption key, a synchronization word, and a local clock; the encryption key is used for encrypting the sent data and decrypting the data after monitoring the obtained data; the synchronous word is used for accurately positioning effective information in the information acquired in the monitoring process; the local clock is used for synchronously monitoring data during wireless communication;
the acquisition module is further configured to: acquiring a transmission time interval for data packet transmission with the first wireless communication device;
the receiving module is further configured to: receiving a monitoring control instruction sent by the first wireless communication device in the transmission time interval; the monitoring control instruction comprises a monitoring pause instruction, a monitoring resume instruction and a monitoring data destruction instruction;
the monitoring module is further configured to: controlling the monitoring operation according to the monitoring control instruction;
the receiving module is further configured to: transmitting additional information within the transmission time interval; the additional information is located at the tail of the data packet, and the additional information comprises user-defined data.
9. A wireless communication system, comprising:
an acquisition module: the terminal equipment comprises a frequency hopping sequence and a wireless communication address, wherein the frequency hopping sequence is used by the terminal equipment and the wireless communication address of the terminal equipment are acquired through a wireless link established with the terminal equipment;
a sending module: the second wireless communication device is used for acquiring a frequency channel to be monitored according to the frequency hopping sequence and monitoring the wireless link according to the wireless communication address in the frequency channel to be monitored;
wherein the sending module: the second wireless communication device is also used for sending monitoring necessary information to the second wireless communication device, wherein the monitoring necessary information comprises an encryption key, a synchronous word and a local clock; the encryption key is used for encrypting the transmitted data by the second wireless communication device and decrypting the encrypted data after monitoring the acquired data; the synchronization word is used for the second wireless communication device to accurately locate effective information in the information acquired in the monitoring process; the local clock is used for the second wireless communication device to synchronously monitor data during wireless communication;
the acquisition module is further configured to: acquiring a transmission time interval for data packet transmission with the second wireless communication device;
the sending module is further configured to: transmitting a listen control instruction to the second wireless communication device during the transmission time interval; the monitoring control instruction is used for controlling monitoring operation, and comprises a monitoring pause instruction, a monitoring resume instruction and a monitoring data destruction instruction;
the sending module is further configured to: transmitting additional information within the transmission time interval; the additional information is located at the tail of the data packet, and the additional information comprises user-defined data.
10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 7.
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| CN112335328B (en) * | 2018-06-29 | 2023-01-13 | 华为技术有限公司 | Method and system for transmitting audio data and wireless audio system |
| CN108632393B (en) * | 2018-07-30 | 2021-03-30 | 郑州信大捷安信息技术股份有限公司 | Secure communication system and method |
| CN109525294A (en) * | 2018-10-08 | 2019-03-26 | 三星（中国）半导体有限公司 | A kind of data transmission method, device and equipment |
| CN113132957B (en) * | 2019-12-31 | 2023-03-10 | 深圳Tcl数字技术有限公司 | Bluetooth audio data transmission method and device, intelligent terminal and storage medium |
| CN111867144B (en) | 2020-06-29 | 2022-05-31 | 炬芯科技股份有限公司 | Wireless communication method and wireless communication equipment |
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