WO2020134820A1

WO2020134820A1 - Method for controlling wireless personal area network module and method for controlling wireless local area network module

Info

Publication number: WO2020134820A1
Application number: PCT/CN2019/121375
Authority: WO
Inventors: 刘昕颖; 包勇; 林科金
Original assignee: 中兴通讯股份有限公司
Priority date: 2018-12-27
Filing date: 2019-11-27
Publication date: 2020-07-02
Also published as: CN111385072A

Abstract

The present invention provides a method for controlling a wireless personal area network module, a method for controlling a wireless local area network module, and a terminal and a computer-readable storage medium; the method for controlling a wireless personal area network module comprises: obtaining first information data, the first information data comprising first duration information and first channel information; sending the first information data to a wireless local area network module, so that the wireless local area network module controls an external device occupying a first channel to stop sending data within a first duration according to the first information data; delaying a second duration or, according to the second information data from the wireless local area network module, receiving or sending data to be sent/received.

Description

Control method of wireless personal area network module and control method of wireless local area network module

cross reference

The present invention requires the priority of the Chinese patent application filed on December 27, 2018 in the Chinese Patent Office with the application number 201811615871.9 and the invention titled "Wireless Personal Area Network Module Control Method and Wireless Local Area Network Module Control Method". The entire content of is incorporated into the present invention by reference.

Technical field

The invention relates to the technical field of wireless networks, in particular to a control method of a wireless personal area network module, a control method of a wireless local area network module, a terminal and a computer-readable storage medium.

Background technique

At present, wireless communication technology is developing rapidly, especially in the 2.4GHz public free frequency band, WLAN (Wireless Local Area Networks), Bluetooth (Bluetooth) and zigbee (Zigbee Protocol) are increasingly widely used. As shown in Figure 1 and Figure 2, since Zigbee, Bluetooth and WLAN all work in the same frequency band, it is easy to have mutual interference problems in actual use, which will cause the signal transmission and reception quality to drop sharply, and there will be problems such as packet loss and large delay. .

In the related art, in order to solve the problem of mutual interference between Zigbee, Bluetooth and WLAN devices, the current coexistence scheme is mainly divided into two kinds of collaborative mode and non-collaborative mode; the collaborative mode is to use a centralized control time-sharing scheme on the same device To avoid the mutual interference between Zigbee/Bluetooth and WLAN on the same device; the non-cooperative method is to adaptively adjust the packet size, dynamic channel allocation, power control and other methods to try to avoid the mutual interference between different devices.

However, no matter whether it is a cooperative mode or a non-cooperative mode, when the WLAN devices are very densely distributed and there are a large number of WLAN devices on all channels, the Zigbee/Bluetooth interface transmission in the same device will still be affected by the signals of other WLAN devices in the same channel range Interference, which in turn makes signal transmission unstable, causing problems such as packet loss and delay.

The above description of the problem discovery process is only used to assist in understanding the technical solution of the present invention, and does not mean that the above content is recognized as prior art.

Summary of the invention

In order to solve the above technical problems or at least partially solve the above technical problems, the present application provides a method for controlling a wireless personal area network module, a method for controlling a wireless local area network module, a terminal, and a computer-readable storage medium.

In a first aspect, the present invention provides a method for controlling a wireless personal area network module, including: acquiring first information data, the first information data includes first duration information and first channel information; and sending the first information data to the wireless local area network module , So that the wireless local area network module controls the external device occupying the first channel to stop sending data within the first duration according to the first information data; delays the second duration or receives or sends to receive and send according to the second information data from the wireless local area network module data.

In a second aspect, the present invention provides a method for controlling a wireless local area network module including: receiving first information data from a wireless personal area network module, the first information data including first duration information and first channel information; based on the first information data , Switch the channel to the first channel, and generate a first message; send the first message to the external device occupying the first channel, so that the external device stops receiving or sending data within the first time period.

In a third aspect, the present invention provides a terminal, including: a wireless local area network module and a wireless personal area network module, the wireless personal area network module is used to obtain first information data, and the first information data includes first duration information and first channel information And send the first information data to the wireless local area network module; the wireless local area network module is used to receive the first information data from the wireless personal area network module, switch the channel to the first channel according to the first information data, and generate a first message; The wireless local area network module is also used to send the first message to the external device occupying the first channel, so that the external device stops receiving or sending data within the first duration; the wireless personal area network module is used to delay the second duration or according to the The second information data of the wireless local area network module receives or sends the data to be sent and received.

In a fourth aspect, the present invention provides a terminal, including: at least one processor, memory, at least one network interface, and user interface; the at least one processor, memory, at least one network interface, and user interface are coupled together through a bus system The processor is used to implement the control method of the wireless personal area network module as described in the first aspect and/or the control method of the wireless local area network module as described in the second aspect by invoking the program or instruction stored in the memory .

According to a fifth aspect, the present invention provides a computer-readable storage medium on which a computer program is stored, which when executed by a processor implements the control method and/or the wireless personal area network module described in the first aspect The control method of the wireless local area network module as described in the second aspect.

BRIEF DESCRIPTION

The drawings here are incorporated into and constitute a part of this specification, show embodiments consistent with the present invention, and are used together with the specification to explain the principles of the present invention.

In order to more clearly explain the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required in the embodiments or the description of the prior art. Obviously, for those of ordinary skill in the art In other words, other drawings can be obtained based on these drawings without paying any creative labor.

FIG. 1 shows a schematic diagram of the working frequency band distribution of the local area network module in the related art;

FIG. 2 shows a schematic diagram of the working frequency band distribution of the personal area network module in the related art;

3 shows a flowchart of a method for controlling a wireless personal area network module according to an embodiment of the present invention;

4 shows a flowchart of a method for controlling a wireless personal area network module according to another embodiment of the present invention;

5 shows a flowchart of a method for controlling a wireless personal area network module according to yet another embodiment of the present invention;

6 shows a flowchart of a control method of a wireless personal area network module according to still another embodiment of the present invention;

7 shows a flowchart of a control method of a wireless local area network module according to still another embodiment of the present invention;

8 shows a flowchart of a terminal control method according to still another embodiment of the present invention;

9 shows a block diagram of a terminal according to yet another embodiment of the present invention.

detailed description

To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of the embodiments of the present invention, but not all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

A mobile terminal implementing various embodiments of the present invention will now be described with reference to the drawings. In the following description, the use of suffixes such as "module", "part" or "unit" used to denote elements is only for the benefit of the present invention, and has no specific meaning in itself. Therefore, "module" and "component" can be used in combination.

The terminal may include a mobile terminal and a fixed terminal, and the mobile terminal may be implemented in various forms. For example, the terminal described in the present invention may include mobile phones, smart phones, notebook computers, digital broadcast receivers, PDAs (personal digital assistants), PADs (tablet computers), PMPs (portable multimedia players), navigation devices, etc. Mobile terminals and fixed terminals such as digital TVs, desktop computers, etc. In the following, it is assumed that the terminal is a mobile terminal. However, those skilled in the art will understand that the configuration according to the embodiment of the present invention can also be applied to a terminal of a fixed type, in addition to elements particularly used for mobile purposes.

As shown in FIG. 3, in an embodiment of the first aspect of the present invention, the present invention provides a method for controlling a wireless personal area network module, including: Step 302, acquiring first information data, the first information data including first duration information And the first channel information; Step 304, send the first information data to the wireless LAN module, so that the wireless LAN module controls the external device occupying the first channel to stop sending data within the first time period according to the first information data; Step 306, the extension In the second duration or according to the second information data from the wireless local area network module, receive or send the data to be sent and received.

In this embodiment, when the wireless personal area network module (WPAN) module is ready to send or receive data to be sent and received, it acquires first information data related to the data to be sent and received, and sends the first information data to the wireless local area network module. The local area network module (WLAN) module then controls the external device to stop sending or receiving data according to the first information data. After the external device stops sending or receiving data, the wireless personal area network module starts to receive or send the data to be sent and received, because the wireless personal area network When the module sends or receives data to be sent and received, the external device has stopped sending and receiving data, which avoids the interference of the external device on the wireless personal area network module, thereby making the signal transmission of the wireless personal area network module more stable, avoiding packet loss, Delays and other issues.

Preferably, the wireless personal area network module is Bluetooth or zigbee; the data to be sent and received is the data that the wireless personal area network module is about to send or receive; the external device is the remaining wireless local area network module occupying the first channel.

As shown in FIG. 4, in an embodiment of the present invention, the present invention provides a method for controlling a wireless personal area network module, including: step 402, acquiring first duration information; step 404, acquiring first channel information; and steps 406. Generate first information data according to the first duration information and the first channel information; step 408, send the first information data to the wireless LAN module, so that the wireless LAN module controls the external device occupying the first channel according to the first information data Stop sending data within the first duration; Step 410, delay the second duration or receive or send the data to be sent and received according to the second information data from the wireless local area network module.

In this embodiment, the first information data is obtained by encapsulating the first duration information and the first channel information, so that the first duration information and the first channel information are packaged and sent to the wireless LAN module, and the wireless LAN module parses the first information data Then, according to the first channel information, the channel of the wireless local area network module is switched to the first channel, and the remaining devices occupying the first channel, that is, the external device, are searched for, and then the duration for the external device to stop sending the packet is controlled according to the first duration information.

As shown in FIG. 5, in an embodiment of the present invention, the present invention provides a method for controlling a wireless personal area network module, including: Step 502, according to the field length of the data to be sent and received and the transmission rate of the wireless personal area network module , Calculate the first duration information; Step 504, obtain the first channel information; Step 506, generate first information data based on the first duration information and the first channel information; Step 508, send the first information data to the wireless LAN module to The wireless local area network module controls the external device occupying the first channel to stop sending data within the first duration according to the first information data; step 510, delays the second duration or receives or transmits the pending according to the second information data from the wireless local area network module Send and receive data.

In this embodiment, by collecting the data transmission speed of the wireless personal area network module and the length of the data to be sent and received, the time required for the wireless personal area network module to receive or send the data to be sent and received, that is, the first time length, is calculated.

Similarly, the first duration can be set based on empirical values, or the first duration can be set to a fixed value.

Preferably, when the wireless personal area network module needs to send data, the first duration is calculated according to the length of the transmitted data and the transmission rate of the data transmitted by the wireless personal area network module; when the wireless personal area network module needs to receive data, according to the received data The length and the transmission rate of the data received by the wireless personal area network module are calculated as the first duration.

In an embodiment of the present invention, preferably, the first duration information is the duration of the air interface occupied by the wireless personal area network module data when receiving or sending the data to be sent and received; the first channel information is the wireless personal area network module time. Information about the channel occupied when receiving or sending data to be sent and received.

As shown in FIG. 6, in an embodiment of the present invention, the control method of the wireless personal area network module includes: step 602, determining whether the priority of data to be sent and received is greater than a first threshold; step 604, prioritizing data to be sent and received If the level is greater than the first threshold, obtain first information data, the first information data includes first duration information and first channel information; Step 606, send the first information data to the wireless LAN module, so that the wireless LAN module according to the first An information data control the external device occupying the first channel to stop sending data within the first duration; Step 608, delay the second duration or according to the second information data from the wireless LAN module; Step 610, receive or send the data to be sent and received; In the case where the priority of the data to be sent and received is less than or equal to the first threshold, step 610, receiving or sending the data to be sent and received.

In this embodiment, by judging the priority of the data to be sent and received, the data to be sent and received with higher priority can be sent without interference, ensuring more stable transmission and avoiding problems such as packet loss and delay. When the priority of the data to be sent and received is low, it is not necessary to stop the external device from sending packets, to avoid some unimportant data transmission affecting the normal use of the external device. For example, for high-priority data that requires reliability, send a data transmission and reception request to the wireless LAN module before sending and receiving to ensure that it is not interfered by other external devices; while ordinary data can be directly sent and received; similarly, the wireless personal area network module can also Select to send and receive data request to the wireless LAN module before sending and receiving all data.

As shown in FIG. 7, in an embodiment of the second aspect of the present invention, the present invention provides a method for controlling a wireless local area network module including: Step 702, receiving first information data from a wireless personal area network module, the first information data including First duration information and first channel information; Step 704, switch the channel to the first channel according to the first information data, and generate a first message; Step 706, send the first message to the external device occupying the first channel, So that the external device stops sending data within the first time period.

In this embodiment, the wireless local area network module receives the first information data from the wireless personal area network module, and controls the external device to stop sending or receiving data according to the first information data. After the external device stops sending or receiving data, the wireless device The local area network module sends the second information data, so that the wireless personal area network module starts to receive or send the data to be sent and received.

Preferably, the first message is an RTS/CTS (Request ToSend/Clear ToSend, request to send/clear to send) message. The Duration field in the RTS or CTS message is based on the first duration information in the data sending and receiving request sent by the wireless personal area network module. After receiving this RTS or CTS message, the external device The Duration field in the CTS message updates its own NAV (Network Allocation Vector) and keeps silent for the corresponding duration without sending packets.

In one embodiment of the present invention, the present invention provides a method for controlling a wireless local area network module including: receiving first information data from a wireless personal area network module, where the first information data includes first duration information and first channel information; According to the first information data, switch the channel to the first channel and generate a first message; send the first message to the external device occupying the first channel, so that the external device stops sending data within the first time duration; After the external device stops receiving or sending data, it generates second information data and sends the second information data to the wireless personal area network module, so that the wireless personal area network module starts to receive or send the data to be sent and received.

As shown in FIG. 8, in one embodiment of the present invention, the terminal control method includes: Step 802, controlling the wireless personal area network module to obtain first information data, where the first information data includes first duration information and first channel information Step 804, control the wireless personal area network module to send the first information data to the wireless local area network module; step 806, control the wireless local area network module to receive the first information data from the wireless personal area network module; step 808, control the wireless local area network module according to the first Information data, switch the channel to the first channel, and generate a first message; step 810, control the wireless local area network module to send the first message to the external device occupying the first channel, so that the external device stops sending data within the first duration Step 812, delay the second duration or according to the second information data from the wireless local area network module, control the wireless personal area network module to receive or send data to be sent and received.

In this embodiment, the terminal obtains the first information data through the wireless personal area network module and sends it to the wireless local area network module. The wireless local area network module controls the external device occupying the same channel as the wireless personal area network module to stop sending based on the first information data Or receive data, and then when the wireless personal area network module sends data, avoid the interference of external devices on the wireless personal area network module, even if there are a large number of wireless local area network modules on all channels, the wireless personal area network module can also be made The signal transmission is more stable, avoiding problems such as packet loss and delay.

In an embodiment of the third aspect of the present invention, as shown in FIG. 9, the present invention provides a terminal 9 including: a wireless local area network module 94 and a wireless personal area network module 92, and the wireless personal area network module 92 is used to obtain first information Data, the first information data includes the first duration information and the first channel information, and sends the first information data to the wireless local area network module 94; the wireless local area network module 94 is used to receive the first information data from the wireless personal area network module 92, according to The first information data, switch the channel to the first channel, and generate a first message; the wireless LAN module 94 is also used to send the first message to the external device occupying the first channel, so that the external device stops within the first time period Send data; the wireless personal area network module 92 is used to delay the second duration or according to the second information data from the wireless local area network module, receive or send data to be sent and received.

In this embodiment, the terminal 9 obtains the first information data through the wireless personal area network module and sends it to the wireless local area network module. The wireless local area network module stops the external device occupying the same channel as the wireless personal area network module according to the first information data. Send or receive data, and then when the wireless personal area network module sends data, avoid the interference of external devices to the wireless personal area network module, even if there are a large number of wireless local area network modules in all channels, it can also make the wireless personal area network The signal transmission of the module is more stable, avoiding problems such as packet loss and delay.

Preferably, the wireless local area network module 94 and the wireless personal area network module 92 are provided on the same terminal 9. Similarly, the wireless local area network module 94 and the wireless personal area network module 92 may also be provided on different terminals 9.

In an embodiment of the present invention, preferably, acquiring the first information data specifically includes: acquiring first duration information; acquiring first channel information; encapsulating the first duration information and the first channel information to obtain first information data.

In an embodiment of the present invention, preferably, acquiring the first duration information specifically is: calculating the first duration information according to the length of the data to be sent and received and the transmission rate of the wireless personal area network module.

In an embodiment of the fourth aspect of the present invention, the present invention provides a terminal, including: at least one processor, memory, at least one network interface, and user interface; the at least one processor, memory, at least one network interface, and user interface Coupled together via a bus system; the processor is used to implement the control method of the wireless personal area network module described in any one of the foregoing embodiments and/or the method described in any one of the foregoing embodiments by invoking programs or instructions stored in the memory The control method of the wireless LAN module mentioned above.

In an embodiment of the fifth aspect of the present invention, the present invention provides a computer-readable storage medium on which a computer program is stored, which when executed by a processor implements the wireless personal area network described in any of the above embodiments The control method of the module and/or the control method of the wireless local area network module described in any of the above embodiments.

It can be understood that the embodiments described herein may be implemented in hardware, software, firmware, middleware, microcode, or a combination thereof. For hardware implementation, the processing unit can be implemented in one or more application specific integrated circuits (Application Specific Integrated Circuits, ASIC), digital signal processor (Digital Signal Processing, DSP), digital signal processing device (DSP Device, DSPD), programmable logic device (Programmable Logic Device, PLD) ), Field Programmable Gate Array (Field-Programmable Gate Array, FPGA), general-purpose processor, controller, microcontroller, microprocessor, other electronic units for performing the functions described in this application, or a combination thereof.

For software implementation, the techniques described herein may be implemented through units that perform the functions described herein. The software codes can be stored in memory and executed by the processor. The memory may be implemented in the processor or external to the processor.

Persons of ordinary skill in the art may realize that the units and algorithm steps of the examples described in conjunction with the embodiments disclosed herein can be implemented by electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are executed in hardware or software depends on the specific application of the technical solution and design constraints. Professional technicians can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of the present invention.

Those skilled in the art can clearly understand that for the convenience and conciseness of the description, the specific working process of the system, device and unit described above can refer to the corresponding process in the foregoing method embodiments, which will not be repeated here.

In the embodiments provided in this application, it should be understood that the disclosed device and method may be implemented in other ways. For example, the device embodiments described above are only schematic. For example, the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not implemented. In addition, the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical, or other forms.

The units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.

If the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on such an understanding, the technical solutions of the embodiments of the present invention may essentially be a part that contributes to the existing technology or a part of the technical solution may be embodied in the form of a software product, and the computer software product is stored in a storage medium , Including several instructions to enable a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention. The foregoing storage media include various media that can store program codes, such as a U disk, a mobile hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.

It should be noted that in this article, the terms "include", "include" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device that includes a series of elements includes not only those elements, It also includes other elements that are not explicitly listed, or include elements inherent to this process, method, article, or device. Without more restrictions, the element defined by the sentence "include one..." does not exclude that there are other identical elements in the process, method, article or device that includes the element.

It should be noted that in this article, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply these There is any such actual relationship or order between entities or operations.

Through the description of the above embodiments, those skilled in the art can clearly understand that the methods described in the various embodiments of the present invention can be implemented by means of software plus a necessary general hardware platform, and of course it can also be implemented by hardware, but in many cases The former is the better implementation. Based on this understanding, the technical solution of the present invention can be embodied in the form of a software product in essence or part that contributes to the existing technology, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, CD), including several instructions to make a terminal device (which may be a mobile phone, computer, server, air conditioner, or network device, etc.) perform the method described in each embodiment of the present invention or described in some parts of the embodiment Methods.

The above are only the preferred embodiments of the present invention and do not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by the description and drawings of the present invention, or directly or indirectly used in other related technical fields The same reason is included in the patent protection scope of the present invention.

Claims

A control method of wireless personal area network module, which includes:

Acquiring first information data, where the first information data includes first duration information and first channel information;

Sending the first information data to the wireless local area network module, so that the wireless local area network module controls the external device occupying the first channel to stop sending data within the first time period according to the first information data;

Delay the second duration or according to the second information data from the wireless local area network module, receive or send the data to be sent and received.
The method for controlling a wireless personal area network module according to claim 1, wherein the acquiring first information data is:

Obtaining the first duration information;

Acquiring the first channel information;

Generating the first information data according to the first duration information and the first channel information;

Wherein, the first duration information is the duration of the air interface occupied by the wireless personal area network module data when receiving or sending the data to be sent and received;

The first channel information is information of a channel occupied by the wireless personal area network module when receiving or sending the data to be sent and received.
The method for controlling a wireless personal area network module according to claim 2, wherein the acquiring the first duration information is:

The first duration information is calculated according to the field length of the data to be sent and received and the transmission rate of the wireless personal area network module.
The control method of the wireless personal area network module according to claim 1, further comprising:

Determine whether the priority of the data to be sent and received is greater than a first threshold;

Acquiring the first information data when the priority of the data to be sent and received is greater than the first threshold;

When the priority of the data to be sent and received is less than or equal to the first threshold, the data to be sent and received is received or sent.
A control method of wireless local area network module, which includes:

Receiving first information data from a wireless personal area network module, where the first information data includes first duration information and first channel information;

Switching the channel to the first channel according to the first information data, and generating a first message;

Sending a first packet to an external device occupying the first channel, so that the external device stops sending data within a first period of time.
The control method of the wireless local area network module according to claim 5, wherein the first message is sent to the external device occupying the first channel so that the external device stops receiving or sending within the first time period After the data, the control method of the wireless local area network module further includes:

After the external device stops receiving or sending data, generate second information data, and send the second information data to the wireless personal area network module, so that the wireless personal area network module starts to receive or send the to-be-transceived data.
A terminal, including:

A wireless personal area network module, configured to acquire first information data, where the first information data includes first duration information and first channel information, and send the first information data to the wireless local area network module;

A wireless local area network module, configured to receive first information data from the wireless personal area network module, switch channels to the first channel according to the first information data, and generate a first message;

The wireless local area network module is further configured to send a first message to an external device occupying the first channel, so that the external device stops sending data within a first time period;

The wireless personal area network module is used to delay or receive or send the data to be sent and received according to the second information data from the wireless LAN module.
The method for controlling a wireless personal area network module according to claim 7, wherein the acquiring first information data is:

Obtaining the first duration information;

Acquiring the first channel information;

Encapsulating the first duration information and the first channel information to obtain the first information data.
The method for controlling a wireless personal area network module according to claim 8, wherein the acquiring the first duration information is:

The first duration information is calculated according to the length of the data to be sent and received and the transmission rate of the wireless personal area network module.
A terminal, including:

At least one processor, memory, at least one network interface and user interface;

The at least one processor, memory, at least one network interface, and user interface are coupled together through a bus system;

The processor is used to implement the control method of the wireless personal area network module according to any one of claims 1 to 4 and/or according to claim 5 or 6 by calling a program or instruction stored in the memory The control method of the wireless LAN module.
A computer-readable storage medium on which a computer program is stored, wherein, when the computer program is executed by a processor, a control method of the wireless personal area network module according to any one of claims 1 to 4 is implemented and/or Or the control method of the wireless local area network module according to claim 5 or 6.