CN111132377B - Data transmission method and system for terminal and earphone - Google Patents
Data transmission method and system for terminal and earphone Download PDFInfo
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- CN111132377B CN111132377B CN201911376871.2A CN201911376871A CN111132377B CN 111132377 B CN111132377 B CN 111132377B CN 201911376871 A CN201911376871 A CN 201911376871A CN 111132377 B CN111132377 B CN 111132377B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/15—Setup of multiple wireless link connections
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1829—Arrangements specially adapted for the receiver end
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1867—Arrangements specially adapted for the transmitter end
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/14—Direct-mode setup
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention relates to a data transmission method and a system of a terminal and earphones, wherein the earphones comprise two mutually independent wireless earphones, and the method comprises the following steps: establishing communication connection with two wireless earphones respectively based on radio waves of different frequency bands; acquiring all data packets sent by a terminal to each wireless earphone; the two paths of all data packets are respectively sent to the corresponding wireless earphones in sequence according to the preset sequence; respectively checking a first data packet and a second data packet which are successively and continuously received by each wireless earphone; if the first data packet and the second data packet received by each wireless earphone are checked to be correct and are different, the first data packet is analyzed and processed to play audio information contained in the first data packet. The invention has the beneficial effects that: the burden of mutual communication of the two earphones in the prior art is reduced, the delay time of audio playing and the power consumption of the wireless earphones are also reduced, and the cruising ability is improved.
Description
Technical Field
The invention belongs to the technical field of communication, and particularly relates to a data transmission method and system of a terminal and an earphone.
Background
With the progress of science and technology and the continuous improvement of living standards of people, more and more intelligent devices and wearable devices are pushed to the market and accepted by wide consumers, wireless communication between the intelligent devices and the wearable devices is particularly important, in each wireless communication technology, bluetooth occupies an important place, consumer electronic products such as computers, panels, mobile phones, televisions and the like are adopted, bluetooth is a standard configuration, and wireless earphones are developed for many years, particularly after 3.5 mm earphone interfaces of mobile phones are cancelled by smart phone manufacturers, the wireless earphone technology is greatly developed, wherein true wireless earphones (comprising two earphones which are not connected by physical lines but are communicated with each other by using the wireless technology) are more popular with consumers.
The existing true wireless earphone technology is mainly divided into three types: 1. a communication link is established between the two earphones, the intelligent device is connected with only one earphone, and the other earphone monitors the communication of the intelligent device; 2. a communication link is established between the two earphones, the intelligent equipment is connected with only one earphone, and the earphone connected with the intelligent equipment forwards the received data to the other earphone; 3. the intelligent device is directly connected with the two earphones, and the intelligent device sends data to the two earphones in a time-sharing mode.
However, the requirement of synchronization for playing audio is very strict, and the three technologies have the following disadvantages in practical application: 1. the two earphones need timing synchronization or data forwarding, additionally occupy time slots, and are easy to have the phenomena of delay, pause and the like when playing audio; 2. in the above schemes 1 and 2, the earphone connected to the smart device undertakes more communication tasks, which causes the power consumption of the earphone to be larger than that of another earphone, thereby affecting the experience of consumers.
Disclosure of Invention
In order to solve the problems of delay jamming and high power consumption in the prior art, the invention provides a data transmission method and system of a terminal and an earphone, which have the characteristics of synchronous data transmission, reduced jamming, lower power consumption and the like.
According to a specific embodiment of the present invention, a data transmission method between a terminal and an earphone, wherein the earphone includes two independent wireless earphones, includes:
establishing communication connection with the two wireless earphones respectively based on radio waves of different frequency bands;
acquiring all data packets sent by the terminal to each wireless earphone;
the two paths of all data packets are respectively sent to the corresponding wireless earphones in sequence according to the preset sequence;
respectively checking a first data packet and a second data packet which are successively and continuously received by each wireless earphone;
and if the first data packet and the second data packet received by each wireless earphone are checked to be correct and are different, analyzing the first data packet to play audio information contained in the first data packet.
Further, after the first data packet and the second data packet received by each wireless headset are checked to be error-free, the method further includes:
and sending an ACK signal packet to the terminal, otherwise, sending a NAK signal packet.
Further, the data transmission method between the terminal and the headset further includes: and if the ACK signal packet sent by any wireless earphone or the NAK signal packet sent by any wireless earphone is not received, the first data packet is sent in the next time slot of the terminal.
Further, the data transmission method between the terminal and the headset further includes: and if the ACK signal packets respectively sent by the two wireless earphones are received at the same time, receiving the second data packet sent by the terminal in the next time slot and sending the second data packet at the same time.
Further, the data transmission method between the terminal and the headset further includes: and if the first data packet and the second data packet received by the wireless earphone are the same, sending the ACK signal packet to the terminal.
Further, the radio waves based on different frequency bands are respectively communicated with the two wireless earphones by adopting two different frequency bands of Bluetooth communication.
According to the embodiment of the invention, the data transmission system of the terminal and the earphone comprises: a two-way transceiver and two wireless headset transceivers;
the two-way transceiver establishes communication connection with the wireless earphone transceivers built in the two wireless earphones respectively based on radio waves of different frequency bands;
the two-way transceiver is used for acquiring all data packets sent by the terminal to each wireless earphone, and sending the two-way all data packets to the corresponding wireless earphones in sequence according to respective preset sequences;
the wireless earphone transceiver is used for respectively checking a first data packet and a second data packet which are successively and continuously received by each wireless earphone;
when the first data packet and the second data packet received by each wireless earphone are checked to be correct and are different, the wireless earphone transceiver respectively analyzes and processes the first data packet to play audio information contained in the first data packet.
Further, the wireless headset transceiver is further configured to check the received corresponding first data packet and correspondingly send an ACK signal packet to the two-way transceiver after checking that no error is found, otherwise send a NAK signal packet.
Further, the two-way transceiver is further configured to transmit the first data packet in a next time slot of the terminal when the ACK signal packet transmitted by any one of the wireless headset transceivers is not received or the NAK signal packet transmitted by any one of the wireless headset transceivers is received.
Further, the two-way transceiver is further configured to receive the second data packet sent by the terminal in the next time slot and send the second data packet to the two wireless headset transceivers simultaneously when the ACK signal packets sent by the two wireless headsets respectively are received simultaneously.
The invention has the beneficial effects that: data are received through sending under the condition of no connection between two wireless earphones at the same time, and synchronous data processing of comparison of a previous data packet and a next data packet is carried out at the wireless earphone end, further analysis processing can be carried out when the current data packet and the next data packet are different, synchronism is guaranteed, the burden of mutual communication of the two earphones in the prior art is greatly reduced, the delay time of audio playing is also reduced at the same time, the power consumption of the wireless earphones is reduced, and the cruising ability of the wireless earphones is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a flowchart of a data transmission method of a terminal and a headset according to an exemplary embodiment;
fig. 2 is a schematic diagram of a data transmission method of a terminal and a headset according to an exemplary embodiment;
fig. 3 is a schematic diagram of a data transmission system of a terminal and a headset provided according to an exemplary embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
The embodiment of the invention shown in fig. 1 and 2 provides a data transmission method between a terminal and a headset, wherein the headset comprises two mutually independent wireless headsets, and the method comprises the following steps:
101. establishing communication connection with two wireless earphones respectively based on radio waves of different frequency bands;
102. acquiring all data packets sent by a terminal to each wireless earphone;
103. the two paths of all data packets are respectively sent to the corresponding wireless earphones in sequence in a preset sequence;
104. respectively checking a first data packet and a second data packet which are successively and continuously received by each wireless earphone;
105. if the first data packet and the second data packet received by each wireless earphone are checked to be correct and are different, the first data packet is analyzed and processed to play audio information contained in the first data packet.
Specifically, a terminal (intelligent equipment such as a smart phone, a tablet personal computer and the like) is sequentially connected with two mutually independent wireless earphones to form two independent communication links, when the intelligent equipment sends data to the wireless earphones, a wireless communication MAC layer of the intelligent equipment prepares all data packets sent to the two earphones respectively, then modulates the two paths of all data packets by using radio waves with different frequency bands, because the existing communication modes of the intelligent equipment and the wireless earphones are that the connection is carried out by Bluetooth and the data transmission is carried out, the two paths of all data packets can be modulated by using different frequency bands of Bluetooth and sent out simultaneously, and then the radio waves are sent out simultaneously by using different frequency bands by using two paths of transmitters, so that the data can be sent simultaneously, and the data sending synchronism is ensured, and the burden of the other earphone is reduced compared with the communication mode of a master earphone and a slave earphone is reduced, each data packet received in sequence can be checked at each wireless earphone side, two data packets received successively are compared, and the current data packet is sent to an upper layer to be analyzed and processed when the contents of the two data packets are different, so that the effect of data synchronous processing is achieved, the synchronous processing performance of data is guaranteed, and the delay time of audio playing is reduced.
Referring to fig. 2, in order to further optimize the technical solution, in another embodiment of the present invention, the method for transmitting data between a terminal and a headset further includes the following steps, after checking that both the first data packet and the second data packet received by each wireless headset are error-free, the method further includes:
sending a corresponding ACK signal packet to the terminal, otherwise sending a NAK signal packet;
if the terminal side does not receive the ACK signal packet sent by any wireless earphone or receives the NAK signal packet sent by any wireless earphone, the terminal side continuously sends a first data packet in the next time slot of the terminal;
and if the ACK signal packets respectively sent by the two wireless earphones are received at the same time, receiving a second data packet sent by the terminal in the next time slot and sending the second data packet at the same time.
If the first data packet and the second data packet received by the wireless earphone are the same, a continuous ACK signal packet is sent to the terminal, and the current data packet is not analyzed until a signal packet different from the current data packet (the first data packet) is received, so that the effect of synchronous processing is achieved.
As a possible implementation manner of the above embodiment, ACK/NAK is a hardware-implemented, fully automatic mechanism, aiming to ensure effective and reliable TLP transmission, wherein an ACK signal packet indicates a transmission control character sent by the receiving station to the sending station, which indicates that the sent data is acknowledged as received without error; NAK signal packet, an abbreviation for acknowledgement or non-acknowledgement, is a signal used in digital communications to confirm that data is being received but with small errors. In a specific implementation manner of the present invention, by applying the mechanism, the data transmission method for a terminal and an earphone according to the present invention specifically includes:
the terminal side is in a receiving state in the next time slot after each data packet is sent to the wireless earphones, the terminal side is ready to receive the result of the received data packet check of each wireless earphone, namely the sent ACK signal packet or the sent NAK signal packet, if any one of the two signal transmission links at the terminal side does not receive the ACK signal packet or the received NAK signal packet sent by the corresponding wireless earphone, the intelligent equipment can send the data packets sent in the two communication links at the last time again and simultaneously when the intelligent equipment is switched to the sending time slot next time, the next data packet can not be sent until two communication links at a time receive the ACK signal packet sent by the corresponding wireless earphone simultaneously, the corresponding wireless earphone side checks the received current data packet, sends the ACK signal packet or the NAK signal packet to the intelligent equipment, and does not immediately process the current data packet, and waiting for the next data packet sent by the intelligent equipment side, if the received next data packet is checked to be correct and then is compared to find the current data packet, continuously sending an ACK (acknowledgement) signal packet to the intelligent equipment, and sending the current data packet to the upper layer of the wireless earphone for analysis processing until the data packet different from the current data packet is received at a certain time, so that synchronous processing of data is ensured, delay time of the two wireless earphones during audio playing is reduced, power consumption of the wireless earphones is reduced, and endurance capacity is improved.
Referring to fig. 3, an embodiment of the present invention further provides a data transmission system between a terminal and an earphone, including: a two-way transceiver and two wireless headset transceivers;
the two-way transceiver is arranged in the intelligent equipment, the wireless earphone transceivers are respectively arranged in the two wireless earphones, the intelligent equipment is sequentially connected with the two wireless earphones, when the intelligent equipment sends data, the wireless communication MAC layer of the intelligent equipment respectively prepares the data sent to the two wireless earphones, then the two-way transceiver is triggered to modulate the data, and then the two-way transmitter simultaneously sends out radio waves by adopting different frequency bands (the common 2.4G Bluetooth communication has 80 frequency channels, and two different frequency channels are adopted); and in the next time slot of the two-way transceiver, simultaneously placing two ways of the two-way transceiver in a receiving state to prepare for receiving ACK signal packets sent by the two wireless earphone transceivers, if any transceiver in the two-way transceiver in the intelligent equipment does not receive the ACK signal packet sent by the corresponding wireless earphone transceiver or receives a NAK signal packet, when the intelligent equipment is switched to the sending time slot next time, the two-way transceiver resends the data packet sent last time until the two-way transceiver in the intelligent equipment receives the ACK signal packet sent by the corresponding wireless earphone transceiver at a certain time, and the intelligent equipment can send the next data packet.
The processing scheme of the data received by the wireless earphone transceiver at the wireless earphone end is as follows: when the received Nth data packet is checked to be correct, an ACK signal packet is sent to the intelligent equipment in the next time slot, the data packet N is not immediately transmitted to an upper layer for processing, but waits for receiving the (N + 1) th data packet, if the actually received data packet is found to be the data packet N, the ACK signal packet is continuously sent to the double-path transceiver until the (N + 1) th data packet is received at a certain time, the data packet N is transmitted to the upper layer for processing at the moment so as to achieve the effect of data synchronization processing, and when the received Nth data packet is checked to be wrong, a NAK signal packet is sent to the double-path transceiver on the intelligent equipment side and waits for the next data packet sent by the double-path transceiver.
As a feasible implementation manner of the above embodiment, the two-way transceiver may perform data transmission by using two antennas, that is, one antenna corresponds to one wireless headset transceiver, so as to implement two-way simultaneous transmission of the two-way transceiver, and certainly, a single antenna having two-way simultaneous transmission function may also be used to perform data transmission when the technology allows, which is not limited herein.
The data transmission method and system for the terminal and the earphones provided by the embodiment of the invention enable the two earphones to simultaneously receive data without connection and synchronously process the data, thereby greatly reducing the communication burden of the two earphones in the prior art, and simultaneously reducing the delay time of audio playing, thereby reducing the power consumption of the earphones and improving the cruising ability.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that, in the description of the present application, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present application, the meaning of "a plurality" means at least two unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and the scope of the preferred embodiments of the present application includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present application.
It should be understood that portions of the present application may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (8)
1. A data transmission method between a terminal and an earphone, wherein the earphone comprises two mutually independent wireless earphones, the method is characterized by comprising the following steps:
establishing communication connection with the two wireless earphones respectively based on radio waves of different frequency bands;
acquiring all data packets sent by the terminal to each wireless earphone;
the two paths of all data packets are respectively sent to the corresponding wireless earphones in sequence according to the preset sequence;
respectively checking a first data packet and a second data packet which are successively and continuously received by each wireless earphone;
if the first data packet and the second data packet received by each wireless earphone are checked to be correct and are different, analyzing the first data packet to play audio information contained in the first data packet; and after the first data packet and the second data packet received by each wireless earphone are checked to be correct, sending a corresponding ACK signal packet to the terminal, otherwise, sending a NAK signal packet.
2. The method of claim 1, further comprising: and if the ACK signal packet sent by any wireless earphone or the NAK signal packet sent by any wireless earphone is not received, the first data packet is sent in the next time slot of the terminal.
3. The method of claim 1, further comprising: and if the ACK signal packets respectively sent by the two wireless earphones are received at the same time, receiving the second data packet sent by the terminal in the next time slot and sending the second data packet at the same time.
4. The method of claim 3, further comprising: and if the first data packet and the second data packet received by the wireless earphone are the same, sending the ACK signal packet to the terminal.
5. The method according to any one of claims 1 to 4, wherein the establishing of the communication connection with the two wireless headsets based on the radio waves of different frequency bands is respectively to realize the communication connection with two different frequency bands adopting Bluetooth communication.
6. A data transmission system between a terminal and a headset, comprising: a two-way transceiver and two wireless headset transceivers;
the two-way transceiver establishes communication connection with the wireless earphone transceivers built in the two wireless earphones respectively based on radio waves of different frequency bands;
the two-way transceiver is used for acquiring all data packets sent by the terminal to each wireless earphone, and sending the two-way all data packets to the corresponding wireless earphones in sequence according to respective preset sequences;
the wireless earphone transceiver is used for respectively checking a first data packet and a second data packet which are successively and continuously received by each wireless earphone;
when the first data packet and the second data packet received by each wireless earphone are checked to be correct and are different, the wireless earphone transceiver respectively analyzes and processes the first data packet to play audio information contained in the first data packet; and after the first data packet and the second data packet received by each wireless earphone are checked to be correct, sending a corresponding ACK signal packet to the terminal, otherwise, sending a NAK signal packet.
7. The system of claim 6, wherein the two-way transceiver is further configured to transmit the first data packet in a next time slot of the terminal when the ACK signal packet transmitted by either of the wireless headset transceivers is not received or the NAK signal packet transmitted by either of the wireless headset transceivers is received.
8. The system according to claim 6, wherein the two-way transceiver is further configured to receive the second data packet sent in the next time slot of the terminal and send the second data packet to the two wireless headset transceivers simultaneously when the ACK signal packets sent by the two wireless headsets respectively are received simultaneously.
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| CN201911376871.2A CN111132377B (en) | 2019-12-27 | 2019-12-27 | Data transmission method and system for terminal and earphone |
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| WO2022141552A1 (en) * | 2020-12-31 | 2022-07-07 | 华为技术有限公司 | Wireless headphones and audio device |
| CN113660580A (en) * | 2021-10-20 | 2021-11-16 | 翱捷科技(深圳)有限公司 | Earphone communication method and system, earphone and electronic equipment |
| CN115175159B (en) * | 2022-09-06 | 2023-01-13 | 荣耀终端有限公司 | Bluetooth headset playing method and equipment |
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