WO2019080455A1 - Message processing method, access point device, and message processing device - Google Patents

Abstract

Disclosed in embodiments of the present application are a message processing method, an access point device, and a message processing device, used to resolve mutual interferences between channel resources. Provided in the embodiments of the present application is a message processing method, comprising: determining by an AP device a first frequency band that the AP device does not need to use; generating a first message by the AP device, the first message including: a network identification of a first network where the AP device is located, the first network being a network consisting of the AP device and a device associated with the AP device; and broadcasting the first message by the AP device, instructing by means of the first message the first device to keep silent on the first frequency band, and instructing by means of the first message a second device not to respond to the first message, wherein the first device is a device in the first network that receives the first message, and wherein the second device is a device in a second network that receives the first message, the second network and the first network having different network identifications.

Description

Message processing method and access point device and message processing device

This application claims the priority of the Chinese Patent Application filed on October 27, 2017, the Chinese Patent Application No. 201711023905.0, entitled "A Message Processing Method and Access Point Device and Message Processing Device", the entire contents of which is hereby incorporated by reference. This is incorporated herein by reference.

Technical field

The present application relates to the field of communications technologies, and in particular, to a message processing method, an access point device, and a message processing device.

Background technique

Wireless Fidelity (WIFI) technology is a wireless transmission technology that is widely used in enterprise access, home network access, and Internet of Things access due to its mobility and convenience. The WIFI access frequency band is divided into 2.4G frequency band and 5G frequency band, wherein the 5G frequency band is further divided into high and low frequency bands, which means that a WIFI device needs to provide full frequency band support, and needs to support 2.4G frequency band and 5G at the same time. High-band, 5G low-band support, corresponding to the access point (AP) device chip level, you need to deploy three chips, which will bring the cost of the chip; in addition to some portable WIFI application scenarios In it, the main solution is WIFI access capability. Because of the limited number of wireless terminals (STAs), the peak rate of access is not too high, but it needs to have frequency coverage. Can provide 2.4G, 5G access capabilities to provide support for different devices.

For these applications and needs, the prior art proposes a Dual Band Dual Concurrent (DBDC) mode and a Dual Band Adaptive Concurrent (DBAC) mode. Among them, in the DBDC mode, the 2.4G and 5G bands are each connected to separate chips, and the 2.4G and 5G access capabilities can be provided concurrently through different APs.

In the DBAC mode, the 2.4G band and the 5G band are connected by one chip, and the 2.4G band and the 5G band are supported by switching back and forth between the 2.4G and 5G bands. The DBAC mode has the following drawbacks. When multiple AP devices in the DBAC mode are deployed in the space, there is a problem of mutual interference, which causes the application of the entire DBAC mode to have great limitations.

In the prior art, in order to solve the mutual interference problem in multi-AP deployment, there is a way of channel staggered distribution to avoid mutual interference. For example, the channel distribution shown in Table 1 can avoid mutual interference conflict, and AP1 and AP2 occupy different environments. The channel, for example, AP1 occupies channel 1 in the 2.4G band, and AP2 occupies channel 6 in the 2.4G band.

	2.4G frequency band	5G frequency band
AP1	1	36
AP2	6	52

The scheme of such channel staggered distribution is mainly limited to only three channels that do not interfere with each other in the 2.4G frequency band, only two channels that do not interfere with each other in the 5G low-band frequency band, and only three channels that do not interfere with each other in the 5G high-band frequency band, and the AP device can actually The channels used are limited by national spectrum regulations, etc., with fewer optional channels. Therefore, when the prior art is deployed in multiple APs, the available channel resources are limited, and the channel non-collision requirements cannot be met.

Summary of the invention

The embodiment of the present application provides a message processing method, an access point device, and a message processing device, which are used to resolve mutual interference of channel resources.

To solve the above technical problem, the embodiment of the present application provides the following technical solutions:

In a first aspect, the embodiment of the present application provides a message processing method, including: an AP device determines a first frequency band that the AP device does not need to use; the AP device generates a first message, where the first message includes: a network identifier of the first network where the AP device is located, where the first network is a network formed by the AP device and the device associated with the AP device, and the AP device broadcasts the first message, which is indicated by the first message. The first device remains silent on the first frequency band, and indicates, by the first message, that the second device does not respond to the first message, wherein the first device is the one that receives the first message a device in the first network, where the second device is a device in the second network that receives the first message, and the second network has a different network identifier from the first network.

In the embodiment of the present application, the AP device first determines the first frequency band that the AP device does not need to use, and the AP device generates the first message, where the first message includes: the network identifier of the first network where the AP device is located, where the first network is the AP device and a network that is connected to the device that is associated with the AP device. The AP device broadcasts the first message, indicating that the first device keeps silent on the first frequency band by using the first message, and indicating that the second device does not respond to the first message by using the first message, where One device is a device in the first network that receives the first message, and the second device is a device in the second network that receives the first message, and the second network has a different network identifier than the first network. In the embodiment of the present application, the AP device can indicate that the device in the first network where the AP device is located is silent on the first frequency band, so that the first device in the first network can receive the first frequency band. After the first message, the device stays silent on the first frequency band, so that the devices in the first network do not compete for the channel resources corresponding to the first frequency band, and therefore there is no interference of channel resources. In addition, in the embodiment of the present application, the AP device broadcasts the first message, but only the device in the first network responds to the first message, and does not respond to the first message to the device in the second network. The first message broadcast by the AP device does not affect the use of the first frequency band by the device in the second network.

In a possible design of the first aspect of the present application, the AP device generates a first message, including: the AP device configuring a first value indicating a message type in a frame control field of the first message; The AP device configures a broadcast address in a receiving address field of the first message; the AP device configures the network identifier in a sending address field of the first message. There may be multiple fields in the first message, for example, the first message includes a frame control field, a receiving address field, and a sending address field. The frame control field is used to indicate a frame format of the first message, and the value may be a first value, where the first value may be used to indicate a message type. The receiving address field is used to indicate the device address that can receive the first message. Since the AP device needs to control the devices belonging to the first network, the receiving address field can be configured as a broadcast address. The sending address field is used to indicate the network that sends the first message, for example, by sending the network identifier carried in the address field, to determine the network that sends the first message. The device that receives the first message may be configured to be sent by the AP device in the first network by parsing the frame control field, the receiving address field, and the sending address field of the first message, and thus may be correctly identified by combining multiple fields. The first message sent by the AP device.

In a possible design of the first aspect of the present application, the first message further includes: a duration field; the method further includes: after the valid time indicated by the duration field ends, the AP device competes with the A channel resource corresponding to the first frequency band. Through the duration field, the AP device can indicate the control duration of the device in the controlled first network. For example, if the AP device needs to control the device in the first network to remain silent on the first frequency band, the duration field of the first message may indicate the The quiet duration configured on the AP device. After the end of the effective time, the AP device contends for the channel resource corresponding to the first frequency band. If the AP device can contend for the channel resource corresponding to the first frequency band, the AP device can reuse the channel resource corresponding to the first frequency band, for example, the AP device and The devices in the first network perform uplink and downlink transmission.

In a possible design of the first aspect of the present application, the first access point AP device determines a first frequency band that the AP device does not need to use, and includes: the AP device determines that the AP device is in a frequency band switch The first frequency band that is not needed after use. In the frequency band switching scenario, the AP device uses the first frequency band before the frequency band switching, and the AP device switches from the first frequency band to the second frequency band when the frequency band is switched. The AP device determines that the first frequency band is not currently used.

In a possible design of the first aspect of the application, the network identifier of the first network includes: a media access control MAC address of the AP device. By using the MAC address of the AP device as the network identifier, it is possible to distinguish different networks and reduce the modification of the message format of the first message.

In a second aspect, the embodiment of the present application further provides a message processing method, where the method is applied to a first device, where the first device is a device in a first network, and the first network further includes an access point AP device. The method includes: the first device receives a first message that is broadcast by the AP device, where the first message includes: a network identifier of the first network, where the first message is used to indicate the first The device remains silent on the first frequency band, and indicates that the second device does not respond to the first message, wherein the second device is a device in the second network that receives the first message, the second network The network identifier is different from the first network, where the first frequency band is a frequency band that the AP device does not need to use; and the first device keeps silent on the first frequency band according to the first message.

In a possible design of the second aspect of the present application, the first device remains silent on the first frequency band according to the first message, including: after the first device receives the first message, Parsing a frame control field, a receiving address field, and a sending address field of the first message; when the value of the frame control field is a first value, and the value of the receiving address field is a broadcast address, and the When the value of the sending address field is the network identifier, the first device remains silent on the first frequency band. The first device may determine that the AP device in the first network sends the frame control field, the receive address field, and the send address field of the first message, so that the combination of multiple fields may be used to correctly identify the AP device. The first message.

In a possible design of the second aspect of the present application, the first message further includes: a duration field, the method further includes: after the valid time indicated by the duration field ends, the first device competes Channel resources corresponding to the first frequency band. After the valid time is over, the first device may also contend for the channel resource corresponding to the first frequency band after the valid time ends. If the first device can compete for the channel resource corresponding to the first frequency band, the first device may be used again. The channel resources corresponding to the first frequency band, for example, the first device and the AP device in the first network perform uplink and downlink transmission.

In a possible design of the second aspect of the present application, the network identifier of the first network includes: a medium access control MAC address of the AP device. By using the MAC address of the AP device as the network identifier, it is possible to distinguish different networks and reduce the modification of the message format of the first message.

In a third aspect, the embodiment of the present application further provides an AP device, including: a frequency band determining module, configured to determine a first frequency band that is not required to be used by the AP device, and a generating module, configured to generate a first message, where the first The message includes: a network identifier of the first network where the AP device is located, the first network is a network formed by the AP device and a device associated with the AP device, and a broadcast module is configured to broadcast the first message and pass the The first message indicates that the first device remains silent on the first frequency band, and indicates that the second device does not respond to the first message by using the first message, where the first device receives the a device in the first network of the first message, the second device is a device in a second network that receives the first message, and the second network has a different network from the first network Logo.

In the embodiment of the present application, the AP device first determines the first frequency band that the AP device does not need to use, and the AP device generates the first message, where the first message includes: the network identifier of the first network where the AP device is located, where the first network is the AP device and a network that is connected to the device that is associated with the AP device. The AP device broadcasts the first message, indicating that the first device keeps silent on the first frequency band by using the first message, and indicating that the second device does not respond to the first message by using the first message, where One device is a device in the first network that receives the first message, and the second device is a device in the second network that receives the first message, and the second network has a different network identifier than the first network. In the embodiment of the present application, the AP device can indicate that the device in the first network where the AP device is located is silent on the first frequency band, so that the first device in the first network can receive the first frequency band. After the first message, the device stays silent on the first frequency band, so that the devices in the first network do not compete for the channel resources corresponding to the first frequency band, and therefore there is no interference of channel resources. In addition, in the embodiment of the present application, the AP device broadcasts the first message, but only the device in the first network responds to the first message, and does not respond to the first message to the device in the second network. The first message broadcast by the AP device does not affect the use of the first frequency band by the device in the second network.

In a possible design of the third aspect of the present application, the generating module is configured to: configure a first value indicating a message type in a frame control field of the first message; and receive the first message A broadcast address is configured in the address field; the network identifier is configured in a send address field of the first message.

In a possible design of the third aspect of the present application, the first message further includes: a duration field; the AP device further includes: a contention module, after the valid time indicated by the duration field ends, Competing for channel resources corresponding to the first frequency band.

In a possible design of the third aspect of the present application, the frequency band determining module is specifically configured to determine a first frequency band that the AP device does not need to use after the frequency band switching.

In a possible design of the third aspect of the present application, the network identifier of the first network includes: a media access control MAC address of the AP device.

In the third aspect of the present application, the constituent modules of the AP device may also perform the steps described in the foregoing first aspect and various possible implementations, as described in the foregoing for the first aspect and various possible implementations. Description.

In a fourth aspect, the embodiment of the present application further provides a message processing device, where the message processing device is specifically a first device in a first network, and the first network further includes an access point AP device, and the message processing device The method includes: a receiving module, configured to receive a first message that is broadcast by the AP device, where the first message includes: a network identifier of the first network, where the first message is used to indicate that the first device is in the first Maintaining silence on the frequency band, and indicating that the second device does not respond to the first message, wherein the second device is a device in the second network that receives the first message, the second network and the first A network has different network identifiers, the first frequency band is a frequency band that the AP device does not need to use, and the silence module is configured to keep silent on the first frequency band according to the first message.

In a possible design of the fourth aspect of the present application, the silence module is configured to: after receiving the first message, the receiving module parses a frame control field, a receiving address field, and a sending address field; when the value of the frame control field is a first value, and the value of the receiving address field is a broadcast address, and the value of the sending address field is the network identifier, Silence on the first band.

In a possible design of the fourth aspect of the present application, the first message further includes: a duration field, the first device further includes: a contention module, after the valid time indicated by the duration field ends And competing for channel resources corresponding to the first frequency band.

In a possible design of the fourth aspect of the present application, the network identifier of the first network includes: a media access control MAC address of the AP device.

In a fourth aspect of the present application, the constituent modules of the message processing device may also perform the steps described in the foregoing second aspect and various possible implementations, as described above in the second aspect and in various possible implementations. instruction of.

A fifth aspect of the present application provides a computer readable storage medium having stored therein instructions that, when executed on a computer, cause the computer to perform the methods described in the above aspects.

A sixth aspect of the present application provides a computer program product comprising instructions which, when run on a computer, cause the computer to perform the methods described in the various aspects above.

In a seventh aspect, the embodiment of the present application provides a communication device, where the communication device may include an entity such as a terminal device or a chip, the communication device includes: a processor and a memory; the memory is used to store an instruction; The instructions in the memory are executed such that the communication device performs the method of any of the preceding first or second aspects.

In an eighth aspect, the present application provides a chip system including a processor for supporting an AP device to implement the functions involved in the above aspects, such as, for example, transmitting or processing data involved in the above method and/or information. In a possible design, the chip system further includes a memory for storing necessary program instructions and data of the AP device. The chip system can be composed of chips, and can also include chips and other discrete devices.

DRAWINGS

FIG. 1 is a schematic structural diagram of a system applied to a message processing method according to an embodiment of the present disclosure;

FIG. 2 is a schematic structural diagram of a first network according to an embodiment of the present disclosure;

FIG. 3 is a schematic block diagram of a message processing method according to an embodiment of the present disclosure;

FIG. 4 is a schematic block diagram of another message processing method according to an embodiment of the present disclosure;

FIG. 5 is a schematic flowchart of interaction between an AP device and a first device and a second device according to an embodiment of the present disclosure;

FIG. 6 is a schematic diagram of a process of processing an SRTS message by a terminal device associated with AP1 and a terminal device not associated with AP1 according to an embodiment of the present disclosure;

FIG. 7 is a schematic diagram of a process of processing a NAV after receiving an SRTS message by a terminal device associated with AP1 and a terminal device not associated with AP1 according to an embodiment of the present disclosure;

FIG. 8 is a schematic diagram of a process of processing a first message by a message processing device according to an embodiment of the present disclosure;

9-a is a schematic structural diagram of an AP device according to an embodiment of the present application;

9-b is a schematic structural diagram of another AP device according to an embodiment of the present disclosure;

FIG. 10-a is a schematic structural diagram of a message processing device according to an embodiment of the present disclosure;

FIG. 10-b is a schematic structural diagram of another message processing device according to an embodiment of the present disclosure;

FIG. 11 is a schematic structural diagram of another AP device according to an embodiment of the present disclosure;

FIG. 12 is a schematic structural diagram of another message processing device according to an embodiment of the present disclosure.

Detailed ways

The embodiment of the present application provides a message processing method, an access point device, and a message processing device, which are used to resolve mutual interference of channel resources.

Embodiments of the present application will be described below with reference to the accompanying drawings.

The terms "first", "second" and the like in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a particular order or order. It is to be understood that the terms so used are interchangeable under appropriate circumstances, and are merely illustrative of the manner in which the objects of the same attribute are used in the description of the embodiments of the present application. In addition, the terms "comprises" and "comprises" and "comprises", and any variations thereof, are intended to cover a non-exclusive inclusion so that a process, method, system, product, or device comprising a series of units is not necessarily limited to those elements, but may include Other units listed or inherent to these processes, methods, products or equipment.

The details are described below separately.

FIG. 1 is a schematic diagram of a system architecture applied to a message processing method according to an embodiment of the present application. There are at least two networks in the system architecture provided in the embodiment of the present application, which are respectively represented as a first network and a second network, and the second network has different network identifiers from the first network. An AP device and a terminal device are included in each network. For example, the first network includes: an AP device 1, a terminal device 1, and a terminal device 2. The second network includes: an AP device 2, a terminal device 3, and a terminal device. 4, wherein the network identifier may be represented by a device identifier of the AP device in the network, for example, the network identifier of the first network includes: a Service Set Identifier (SSID). For example, the network identifier of the first network includes: a medium access control (MAC) address of the AP device. The network identifier in the embodiment of the present application may not be limited to a MAC address, and only needs to be able to distinguish different The network can be. In the embodiment of the present application, each AP device has the capability of broadcasting, and the message broadcast by the AP device can be sent to the broadcast channel, and the message is broadcasted through the broadcast channel.

It should be noted that, in some embodiments of the present application, an AP device may be included in a network, as shown in FIG. 1 , and not limited to, two or more AP devices may be included in one network. One of the networks may be provided with one primary AP device and multiple cascaded AP devices. FIG. 2 is a schematic structural diagram of a first network provided by an embodiment of the present application. For example, the AP device 1 can serve as a primary AP device, and the AP device 3 can serve as a cascading AP device. The AP device 3 can provide communication services for the terminal device 5 and the terminal device 6. The message broadcast by the AP device 1 can be transmitted to the terminal device 5 and the terminal device 6 through the AP device 3. In the embodiment of the present application, the number of the APs that are set in a network may be determined in combination with a specific scenario, which is not limited herein.

In the embodiment of the present application, the AP device 1 may first determine the first frequency band that the AP device does not need to use, and then the AP device 1 generates a first message, and finally the AP device 1 may broadcast the first message. The first message includes: a network identifier of the first network where the AP device 1 is located, and the first network is a network composed of the AP device 1 and the AP device 1 associated device. The association refers to the association process with the AP device defined in the WIFI standard. For example, after a device completes the association process, the link between the device and the AP device is established, and data packets can be sent and received to each other. For example, the device associated with the AP device 1 may be the terminal device 1 and the terminal device 2 shown in FIG. 1. The device associated with the AP device 1 may also be the AP device 3 and the terminal device 5 and the terminal device 6 shown in FIG. 2. In the embodiment of the present application, the AP device 1 may indicate that the first device remains silent on the first frequency band by using the first message, and indicates that the second device does not respond to the first message by using the first message, where the first device is received. The device in the first network of the first message, for example, the first device may be the terminal device 1 and the terminal device 2 shown in FIG. The second device is a device in the second network that receives the first message, for example, the second device may be the terminal device 3 and the terminal device 4 shown in FIG.

The device in the first network where the AP device 1 is located may be kept silent on the first frequency band, so that the first device in the first network may be in the first network. After receiving the first message, the device stays silent on the first frequency band, so that the devices in the first network do not compete for the channel resources corresponding to the first frequency band, and therefore there is no interference of channel resources. In addition, in the embodiment of the present application, the AP device 1 broadcasts the first message, but only the device in the first network responds to the first message, and does not respond to the first message to the device in the second network. The first message broadcast by the AP device 1 does not affect the use of the first frequency band by the devices in the second network.

The message processing method provided by the embodiment of the present application is described in the following, from the perspective of the AP device and the first device, and the message processing method provided by the embodiment of the present application is described. It can include the following steps:

301. The AP device determines a first frequency band that the AP device does not need to use.

In the embodiment of the present application, the network where the AP device is located is defined as the first network, and the network identifier of the first network may be implemented in multiple manners, for example, the network identifier of the first network may be the device identifier of the AP device, for example, The network identifier of a network includes: the MAC address of the AP device.

In the embodiment of the present application, the AP device first determines the frequency band that the AP device does not need to use at present. For the convenience of description, the frequency band that the AP device does not need to use is defined as the “first frequency band”. The first frequency band refers to the frequency band that the AP device does not need to use. For example, in step 301, the first AP device determines the first frequency band that the AP device does not need to use, including:

The AP device determines the first frequency band that the AP device does not need to use after the band switching.

In the frequency band switching scenario, the AP device uses the first frequency band before the frequency band switching, and the AP device switches from the first frequency band to the second frequency band when the frequency band is switched, and the AP device determines that the first frequency band is not currently used.

302. The AP device generates a first message, where the first message includes: a network identifier of the first network where the AP device is located, where the first network is a network formed by the AP device and the device associated with the AP device.

In the embodiment of the present application, after the AP device determines that the first frequency band is not needed, the AP device may generate a first message according to the first frequency band, where the first message may be a request message or an indication message, for example, The first message generated by the AP device may be a Request To Send (RTS) message, and the first message may be generated in multiple manners. For example, the AP device may generate the first through the RTS format extension in the WIFI frame standard protocol. Messages can also be customized for individual message control frames, which are not limited here.

In the embodiment of the present application, the first message generated by the AP device carries the network identifier of the first network where the AP device is located. For example, the AP device may use a separate field in the first message to carry the network identifier of the first network. The AP device can also use the original field in the first message to modify the value of the original field to carry the network identifier of the first network. The first network is a network composed of an AP device and a device associated with the AP device. For example, in the foregoing embodiment, the first network may include a terminal device associated with the AP device, or an AP device or the like that is cascaded with the AP device.

In some embodiments of the present application, the step 302, the AP device generates the first message, and specifically includes the following steps:

The AP device configures a first value indicating a message type in a frame control field of the first message;

The AP device configures a broadcast address in a receive address field of the first message.

The AP device configures the network identifier in the Transmit address field of the first message.

The first message may have multiple fields, for example, the first message includes a frame control field, a receiving address field, and a sending address field. The frame control field is used to indicate a frame format of the first message, and the value may be a first value, where the first value may be used to indicate a message type, where the first value specifically refers to a certain value, for example, the first value may be It is 00 or 01, indicating different types of messages by different values of the frame control field. The receiving address field is used to indicate the device address that can receive the first message. Since the AP device needs to control the devices belonging to the first network, the receiving address field can be configured as a broadcast address, for example, FF: FF: FF: FF: FF: FF indicates a broadcast address. The sending address field is used to indicate the network that sends the first message, for example, by sending the network identifier carried in the address field, to determine the network that sends the first message. The device that receives the first message may be configured to be sent by the AP device in the first network by parsing the frame control field, the receiving address field, and the sending address field of the first message, and thus may be correctly identified by combining multiple fields. The first message sent by the AP device.

In some embodiments of the present application, the first message generated by the AP device may further include: a duration field. Through the duration field, the AP device can indicate the control duration of the device in the controlled first network. For example, if the AP device needs to control the device in the first network to remain silent on the first frequency band, the duration field of the first message may indicate the The quiet duration configured on the AP device.

303. The AP device broadcasts the first message, and the first device indicates that the first device keeps silent on the first frequency band, and the first device indicates that the second device does not respond to the first message, where the first device receives the first message. The device in the first network of the message, the second device is a device in the second network that receives the first message, and the second network has a different network identifier than the first network.

In the embodiment of the present application, after the AP device generates the first message by using the foregoing step 302, the AP device broadcasts the first message, and the AP device may indicate, by using the first message, that the first device remains silent on the first frequency band, and The first message is indicated by the first message not to respond to the first message. The first device and the second device are both devices that receive the first message. In addition, the first device is specifically a device in the first network that receives the first message, that is, the first device and the first message. The AP device belongs to the same network, the second device is the device in the second network that receives the first message, and the second network has a different network identifier than the first network, that is, the second device broadcasts the first message. AP devices belong to different networks. In this embodiment, the first device may remain silent on the first frequency band after receiving the first message, so that the device in the first network does not compete for the channel resource corresponding to the first frequency band, and thus does not There is interference of channel resources. In addition, in the embodiment of the present application, the AP device broadcasts the first message, but only the device in the first network responds to the first message, and the second device does not respond to the first message. Therefore, the AP device broadcasts. The first message does not affect the use of the first frequency band by devices in the second network.

In some embodiments of the present application, if the first message generated by the AP device, the method further includes: a duration field. The message processing method provided by the embodiment of the present application includes the following steps in addition to the foregoing steps:

After the valid time indicated by the duration field ends, the AP device competes for the channel resource corresponding to the first frequency band.

The time period indicated by the duration field refers to the duration of the silence included in the duration field, and after the valid time ends, the AP device may also compete for the channel resource corresponding to the first frequency band after the valid time ends, if the AP device can The AP device can re-use the channel resource corresponding to the first frequency band, for example, the AP device performs uplink and downlink transmission with the device in the first network.

The example of the present application shows that the AP device first determines the first frequency band that the AP device does not need to use, and the AP device generates a first message, where the first message includes: the network identifier of the first network where the AP device is located, and the first network. The AP device is a network that is associated with the AP device. The AP device broadcasts the first message, indicating that the first device keeps silent on the first frequency band by using the first message, and indicates that the second device does not respond to the first message by using the first message. The first device is a device in the first network that receives the first message, the second device is a device in the second network that receives the first message, and the second network has a different network identifier from the first network. . In the embodiment of the present application, the AP device can indicate that the device in the first network where the AP device is located is silent on the first frequency band, so that the first device in the first network can receive the first frequency band. After the first message, the device stays silent on the first frequency band, so that the devices in the first network do not compete for the channel resources corresponding to the first frequency band, and therefore there is no interference of channel resources. In addition, in the embodiment of the present application, the AP device broadcasts the first message, but only the device in the first network responds to the first message, and does not respond to the first message to the device in the second network. The first message broadcast by the AP device does not affect the use of the first frequency band by the device in the second network.

The foregoing embodiment introduces the message processing method provided by the embodiment of the present application from the AP device side. The message processing method provided by the embodiment of the present application is introduced from the first device side. Referring to FIG. 4, the embodiment of the present application is shown in FIG. A message processing method is provided, where the first device is a device in a first network, and the first network further includes a device, and the message processing method may include the following steps:

401. The first device receives the first message that is broadcast by the AP device, where the first message includes: a network identifier of the first network, where the first message is used to indicate that the first device remains silent on the first frequency band, and that the second device does not respond. The first message, where the second device is a device in the second network that receives the first message, and the second network has a different network identifier from the first network, where the first frequency band is a frequency band that the AP device does not need to use.

In the embodiment of the present application, the first message generated by the AP device carries the network identifier of the first network where the AP device is located. For example, the AP device may use a separate field in the first message to carry the network identifier of the first network. The AP device can also use the original field in the first message to modify the value of the original field to carry the network identifier of the first network. After the AP device broadcasts the first message, the first device receives the first message sent by the AP device, and the first device may determine that the received message is the first message broadcasted by the AP device by parsing the first message. For example, the AP device configures the frame control field, the receiving address field, and the sending address field when generating the first message, and after receiving the message, the first device may parse each field in the message, and control the field through the frame. The values of the address field and the send address field determine whether the received message is the first message.

402. The first device remains silent on the first frequency band according to the first message.

In the embodiment of the present application, after the first device receives the first message by using the foregoing step 401, the AP device indicates that the first frequency band remains silent through the first message, and indicates that the second device does not respond to the first message by using the first message. Message. The first device needs to be kept silent in the first frequency band according to the indication of the AP device, so that the first device does not compete with the channel resource corresponding to the first frequency band, thereby avoiding interference caused by the first frequency band, and thus does not affect the first The use of the first frequency band by the second device.

In some embodiments of the present application, the first device in step 402 remains silent on the first frequency band according to the first message, including:

After receiving the first message, the first device parses the frame control field, the receiving address field, and the sending address field of the first message;

When the value of the frame control field is the first value, and the value of the receiving address field is the broadcast address, and the value of the sending address field is the network identifier, the first device remains silent on the first frequency band.

The frame control field is used to indicate a frame format of the first message, and the value may be a first value, where the first value specifically refers to a certain value, for example, the first value may be 00 or 01, and the frame control field is used. Different values indicate different types of messages. The receiving address field is used to indicate the device address that can receive the first message. Since the AP device needs to control the devices belonging to the first network, the receiving address field can be configured as a broadcast address, for example, FF: FF: FF: FF: FF: FF indicates a broadcast address. The sending address field is used to indicate the network that sends the first message, for example, by sending the network identifier carried in the address field, to determine the network that sends the first message. The first device may determine that the AP device in the first network sends the frame control field, the receive address field, and the send address field of the first message, so that the combination of multiple fields may be used to correctly identify the AP device. The first message.

In some embodiments of the present application, the first message further includes: a duration field, and the message processing method provided by the embodiment of the present application further includes:

After the valid time indicated by the duration field ends, the first device contends for the channel resource corresponding to the first frequency band.

The time period indicated by the duration field refers to the duration of the silence included in the duration field. After the valid time ends, the first device may also compete for the channel resource corresponding to the first frequency band after the valid time ends. The device may contend for the channel resource corresponding to the first frequency band, and the first device may re-use the channel resource corresponding to the first frequency band, for example, the first device performs uplink and downlink transmission with the AP device in the first network.

An example of the present application may be used to indicate that the device in the first network where the AP device is located remains silent on the first frequency band. The first device in the first network may remain silent on the first frequency band after receiving the first message, so that the first device does not compete for the channel resource corresponding to the first frequency band, and therefore there is no interference of channel resources. . In addition, in the embodiment of the present application, the AP device broadcasts the first message, but only the device in the first network responds to the first message, and does not respond to the first message to the device in the second network. The first message broadcast by the AP device does not affect the use of the first frequency band by the device in the second network.

To facilitate a better understanding and implementation of the foregoing solutions of the embodiments of the present application, the following application scenarios are specifically illustrated.

FIG. 5 is a schematic diagram of an interaction process between an AP device, a first device, and a second device according to an embodiment of the present application. The following is a schematic description of the manner in which the AP device uses the RTS standard packet to generate the first message. For example, the RTS packet generated by the AP device is defined as Special Request To Send (SRTS). First, when the AP device determines that the first frequency band is not needed to be used, the AP device generates an SRTS request message and broadcasts an SRTS request message including a time length field. Both the first device and the second device can receive the SRTS request message. The first device receives the SRTS request message, and the first device determines that the AP device that sends the SRTS request message and the first device are both in the first network, and the first device keeps silent within the time length specified by the duration field according to the indication of the AP device. After the duration specified by the duration field ends, the first device may compete for air interface resources. The second device receives the SRTS request message, and the second device determines that the AP device that sends the SRTS request message is in a different network from the second device, that is, the second device is in the second network, and the AP device is in the first network. The second device does not respond to the SRTS request message, and the second device performs normal air interface transmission and reception with the AP device.

The AP device adopts the DBAC mode as an example. The device in the DBAC mode can solve the interference problem of the device in the DBAC mode, and can also solve the interference problem of the AP device in the non-DBAC mode in the DBAC mode. It can also solve the problem that the transmission efficiency of the DBAC mode is low when the multi-AP device is deployed.

In the embodiment of the present application, when the AP device performs the frequency band switching, the device associated with the switched band needs to be silent, and the device not associated with the AP device does not need to be silent, and can continue to send and receive the message. Therefore, in the embodiment of the present application, the device associated with a specific AP device can be silenced, that is, only devices in a specific range need to be silenced, and no silence is required for other devices that do not belong to the specific range.

FIG. 6 is a schematic diagram of a process of processing an SRTS message by a terminal device associated with AP1 and a terminal device not associated with AP1 according to an embodiment of the present disclosure. To ensure compliance with the Institute of Electrical and Electronics Engineers (IEEE) standards, RTS standard messages can be used to generate the first message based on the minimum system change considerations. The format of the RTS message is as follows:

The Receive address indicates the address of the receiving device, the Transmit address indicates the address of the sending device, and the network identifier of the first network where the AP device is located. In the embodiment of the present application, the receive address is no longer a unicast address, and the receive address is set to the broadcast address FF: FF: FF: FF: FF: FF, indicating that the first device under the AP device associated with the Transmit address needs to be silent. The second device that is not associated with the AP device does not need to be silent. The packet can be sent and received normally.

As shown in Figure 6, when the AP device of the current Transmit address does not need to use the first frequency band, the AP device needs to send an SRTS request packet when the AP device needs to remain silent in the first frequency band. The packet is transmitted in the air interface. All devices in the coverage of the device can receive the air. If the first device connected to the AP device receives the packet, it will enter the duration specified by the duration field. After the duration specified by the duration field expires, the device can immediately compete for the air interface. Perform normal packet transmission and reception. The second device that is not associated with the AP device ignores the received SRTS request packet and continues to compete for the air interface to send and receive packets.

As shown in FIG. 7 , a process diagram of a network allocation vector (NAV) of a terminal device of an associated AP1 and a terminal device not associated with an AP1 after receiving an SRTS message according to an embodiment of the present disclosure. In the virtual carrier monitoring, the STA device associated with AP1 updates the specified duration of the NAV to the duration field, and silences the air interface to stop sending packets. The STA device of the AP1 is not affected by the message. The NAV can compete for air interfaces and send and receive packets in the duration of the duration field. This implements silent specific WIFI devices in the entire WIFI system.

FIG. 8 is a schematic diagram of a process of processing a first message by a message processing device according to an embodiment of the present application. The message processing device may include two parts: message identification and first message processing. First, the message processing device may identify the field of the message type through the Frame control field, and determine whether the Receive address is FF: FF: FF: FF: FF: FF. Whether the packet is an SRTS packet, and further determines whether the Transmit address is a network identifier associated with the device. If yes, enter the first message processing part, otherwise return no processing. All the devices on the same channel can receive the first message. After the first address sent by the AP device is identified by the transmit address and the receiving address, the first device remains silent, and the second device does not respond to the first message. The second device continues to send and receive normal packets. In the first message processing part, the message processing device may start from the receipt of the SRTS message, silently indicating the time indicated by the duration field.

In the embodiment of the present application, the Receive address field is FF: FF: FF: FF: FF: FF, and the Transmit address field is the MAC address of the AP device. The first message indicates that the device connected to the Transmit address AP device needs to be silent. The time indicated by the duration field, the STAs that are not associated with the AP device do not need to be silent, and can work normally.

The first message provided by the embodiment of the present application has good compatibility. The first message does not change the format of the RTS message. All AP devices can identify the message normally, and the RTS message is processed by default. A method for quiescing a specific range of devices provided by the embodiment of the present application introduces a specific range of device silence control functions in the WIFI standard, which can solve the problem of mutual interference of DBACs.

It should be noted that, for the foregoing method embodiments, for the sake of simple description, they are all expressed as a series of action combinations, but those skilled in the art should understand that the present application is not limited by the described action sequence. Because certain steps may be performed in other sequences or concurrently in accordance with the present application. In the following, those skilled in the art should also understand that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the present application.

In order to facilitate the implementation of the above solution of the embodiments of the present application, related devices for implementing the above solutions are also provided below.

As shown in FIG. 9-a, an AP device 900 according to an embodiment of the present disclosure may include: a frequency band determining module 901, a generating module 902, and a broadcasting module 903, where

The frequency band determining module 901 is configured to determine a first frequency band that the AP device 900 does not need to use;

The generating module 902 is configured to generate a first message, where the first message includes: a network identifier of the first network where the AP device 900 is located, where the first network is associated with the AP device 900 and the AP device 900 a network of devices;

The broadcast module 903 is configured to broadcast the first message, by using the first message, to indicate that the first device remains silent on the first frequency band, and by using the first message, the second device does not respond to the first a message, where the first device is a device in the first network that receives the first message, and the second device is a device in a second network that receives the first message, The second network has a different network identity than the first network.

In some embodiments of the present application, the generating module 902 is specifically configured to: configure, in a frame control field of the first message, a first value indicating a message type; configured in a receiving address field of the first message a broadcast address; the network identifier is configured in a send address field of the first message.

In some embodiments of the present application, the first message further includes: a duration field; as shown in FIG. 9-b, the AP device 900 further includes: a contention module 904, configured to indicate in the duration field After the valid time ends, the channel resources corresponding to the first frequency band are competed.

In some embodiments of the present application, the frequency band determining module 901 is specifically configured to determine a first frequency band that the AP device does not need to use after the frequency band switching.

In some embodiments of the present application, the network identifier of the first network includes: a medium access control MAC address of the AP device 900.

Referring to FIG. 10-a, a message processing device 1000 is provided in the embodiment of the present application. The message processing device 1000 is a first device in a first network, and the first network further includes an AP device. The message processing device 1000 may include: a receiving module 1001, a silent module 1002, where

The receiving module 1001 is configured to receive a first message that is broadcast by the AP device, where the first message includes: a network identifier of the first network, where the first message is used to indicate that the first device is in a first frequency band. Keeping silent, and indicating that the second device does not respond to the first message, wherein the second device is a device in the second network that receives the first message, the second network and the first The network has different network identifiers, and the first frequency band is a frequency band that the AP device does not need to use;

The silence module 1002 is configured to keep silent on the first frequency band according to the first message.

In some embodiments of the present application, the muting module 1002 is configured to: after receiving the first message, the receiving module parses a frame control field, a receiving address field, and a sending address field of the first message; And when the value of the frame control field is a first value, and the value of the receiving address field is a broadcast address, and the value of the sending address field is the network identifier, on the first frequency band. Keep silent.

In some embodiments of the present application, the first message further includes: a duration field, as shown in FIG. 10-b, the message processing device 1000 further includes: a contention module 1003, in the duration field After the indicated valid time ends, the channel resources corresponding to the first frequency band are competed.

In some embodiments of the present application, the network identifier of the first network includes: a media access control MAC address of the AP device.

It should be noted that the information interaction between the modules/units of the foregoing device, the execution process, and the like are based on the same concept as the method embodiment of the present application, and the technical effects thereof are the same as those of the method embodiment of the present application, and the specific content may be Refer to the description in the foregoing method embodiments of the present application, and details are not described herein again.

The embodiment of the present application further provides a computer storage medium, wherein the computer storage medium stores a program, and the program executes some or all of the steps described in the foregoing method embodiments.

Next, another AP device provided by the embodiment of the present application is introduced. Referring to FIG. 12, the AP device 1200 includes:

The receiver 1201, the transmitter 1202, the processor 1203, and the memory 1204 (wherein the number of the processors 1203 in the AP device 1200 may be one or more, and one processor in FIG. 12 is taken as an example). In some embodiments of the present application, the receiver 1201, the transmitter 1202, the processor 1203, and the memory 1204 may be connected by a bus or other means, wherein the bus connection is taken as an example in FIG.

Memory 1204 can include read only memory and random access memory and provides instructions and data to processor 1203. A portion of the memory 1204 may also include a non-volatile random access memory (English name: Non-Volatile Random Access Memory, English abbreviation: NVRAM). The memory 1204 stores operating systems and operational instructions, executable modules or data structures, or a subset thereof, or an extended set thereof, wherein the operational instructions can include various operational instructions for implementing various operations. The operating system can include a variety of system programs for implementing various basic services and handling hardware-based tasks.

The processor 1203 controls the operation of the AP device, and the processor 1203 may also be referred to as a central processing unit (English name: Central Processing Unit, English abbreviation: CPU). In a specific application, each component of the AP device is coupled together by a bus system. The bus system may include a power bus, a control bus, and a status signal bus in addition to the data bus. However, for the sake of clarity, the various buses are referred to as bus systems in the figures.

The method disclosed in the foregoing embodiment of the present application may be applied to the processor 1203 or implemented by the processor 1203. The processor 1203 can be an integrated circuit chip with signal processing capabilities. In the implementation process, each step of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 1203 or an instruction in a form of software. The processor 1203 may be a general-purpose processor, a digital signal processor (English name: digital signal processing, English abbreviation: DSP), an application-specific integrated circuit (English name: Application Specific Integrated Circuit, English abbreviation: ASIC), field programmable Gate array (English name: Field-Programmable Gate Array, English abbreviation: FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components. The methods, steps, and logical block diagrams disclosed in the embodiments of the present application can be implemented or executed. The general purpose processor may be a microprocessor or the processor or any conventional processor or the like. The steps of the method disclosed in the embodiments of the present application may be directly implemented by the hardware decoding processor, or may be performed by a combination of hardware and software modules in the decoding processor. The software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like. The storage medium is located in the memory 1204, and the processor 1203 reads the information in the memory 1204 and completes the steps of the above method in combination with its hardware.

The receiver 1201 can be configured to receive input digital or character information, and generate signal inputs related to related settings and function control of the AP device. The transmitter 1202 can include a display device such as a display screen, and the transmitter 1202 can be used to output a digital signal through an external interface. Or character information.

In the embodiment of the present application, the processor 1203 is configured to execute the foregoing message processing method performed by the AP device.

Next, another message processing device provided by the embodiment of the present application is introduced. Referring to FIG. 7, the message processing device 700 includes:

The receiver 701, the transmitter 702, the processor 703, and the memory 704 (wherein the number of processors 703 in the message processing device 700 may be one or more, and one processor in FIG. 7 is taken as an example). In some embodiments of the present application, the receiver 701, the transmitter 702, the processor 703, and the memory 704 may be connected by a bus or other means, wherein the bus connection is taken as an example in FIG.

Memory 704 can include read only memory and random access memory and provides instructions and data to processor 703. A portion of memory 704 may also include NVRAM. The memory 704 stores operating systems and operational instructions, executable modules or data structures, or a subset thereof, or an extended set thereof, wherein the operational instructions can include various operational instructions for implementing various operations. The operating system can include a variety of system programs for implementing various basic services and handling hardware-based tasks.

The processor 703 controls the operation of the message processing device, which may also be referred to as a CPU. In a specific application, each component of the message processing device is coupled together by a bus system. The bus system may include a power bus, a control bus, a status signal bus, and the like in addition to the data bus. However, for the sake of clarity, the various buses are referred to as bus systems in the figures.

The method disclosed in the foregoing embodiment of the present application may be applied to the processor 703 or implemented by the processor 703. The processor 703 can be an integrated circuit chip with signal processing capabilities. In the implementation process, each step of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 703 or an instruction in a form of software. The processor 703 described above may be a general purpose processor, DSP, ASIC, FPGA or other programmable logic device, discrete gate or transistor logic device, discrete hardware component. The methods, steps, and logical block diagrams disclosed in the embodiments of the present application can be implemented or executed. The general purpose processor may be a microprocessor or the processor or any conventional processor or the like. The steps of the method disclosed in the embodiments of the present application may be directly implemented by the hardware decoding processor, or may be performed by a combination of hardware and software modules in the decoding processor. The software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like. The storage medium is located in memory 704, and processor 703 reads the information in memory 704 and, in conjunction with its hardware, performs the steps of the above method.

In the embodiment of the present application, the processor 703 is configured to execute the foregoing message processing method performed by the message processing device.

In another possible design, when the message processing device is a chip in the terminal, the chip comprises: a processing unit and a communication unit, the processing unit may be, for example, a processor, and the communication unit may be, for example, an input/output interface. , pins or circuits, etc. The processing unit may execute computer execution instructions stored by the storage unit to cause the chip within the terminal to perform the wireless communication method of any of the above aspects. Optionally, the storage unit is a storage unit in the chip, such as a register, a cache, etc., and the storage unit may also be a storage unit located outside the chip in the terminal, such as a read-only memory (read) -only memory, ROM) or other types of static storage devices, random access memory (RAM), etc. that can store static information and instructions.

The processor mentioned in any of the above may be a general-purpose central processing unit (CPU), a microprocessor, an application-specific integrated circuit (ASIC), or one or more for controlling the above. The integrated circuit of the program execution of the first aspect wireless communication method.

It should be further noted that the device embodiments described above are merely illustrative, wherein 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 can be located in one place or distributed to multiple network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the embodiment. In addition, in the drawings of the device embodiments provided by the present application, the connection relationship between the modules indicates that there is a communication connection between them, and specifically may be implemented as one or more communication buses or signal lines.

Through the description of the above embodiments, those skilled in the art can clearly understand that the present application can be implemented by means of software plus necessary general hardware, and of course, dedicated hardware, dedicated CPU, dedicated memory, dedicated memory, Special components and so on. In general, functions performed by computer programs can be easily implemented with the corresponding hardware, and the specific hardware structure used to implement the same function can be various, such as analog circuits, digital circuits, or dedicated circuits. Circuits, etc. However, software program implementation is a better implementation for more applications in this application. Based on such understanding, the technical solution of the present application, which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a readable storage medium, such as a floppy disk of a computer. , U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), disk or optical disk, etc., including a number of instructions to make a computer device (may be A personal computer, server, or network device, etc.) performs the methods described in various embodiments of the present application.

In the above embodiments, it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof. When implemented in software, it may be implemented in whole or in part in the form of a computer program product.

The computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, the processes or functions described in accordance with embodiments of the present application are generated in whole or in part. The computer can be a general purpose computer, a special purpose computer, a computer network, or other programmable device. The computer instructions can be stored in a computer readable storage medium or transferred from one computer readable storage medium to another computer readable storage medium, for example, the computer instructions can be from a website site, computer, server or data center Transfer to another website site, computer, server, or data center by wire (eg, coaxial cable, fiber optic, digital subscriber line (DSL), or wireless (eg, infrared, wireless, microwave, etc.). The computer readable storage medium can be any available media that can be stored by a computer or a data storage device such as a server, data center, or the like that includes one or more available media. The usable medium may be a magnetic medium (eg, a floppy disk, a hard disk, a magnetic tape), an optical medium (eg, a DVD), or a semiconductor medium (such as a solid state disk (SSD)).

Claims (22)

1. A message processing method, comprising:

   The access point AP device determines a first frequency band that the AP device does not need to use;

   The AP device generates a first message, where the first message includes: a network identifier of a first network where the AP device is located, where the first network is a network formed by the AP device and a device associated with the AP device;

   The AP device broadcasts the first message, indicating that the first device keeps silent on the first frequency band by using the first message, and indicating that the second device does not respond to the first message by using the first message, The first device is a device in the first network that receives the first message, and the second device is a device in a second network that receives the first message, the second device The network has a different network identity than the first network.
2. The method according to claim 1, wherein the AP device generates a first message, including:

   The AP device configures a first value indicating a message type in a frame control field of the first message;

   The AP device configures a broadcast address in a receiving address field of the first message;

   The AP device configures the network identifier in a sending address field of the first message.
3. The method according to claim 1, wherein the first message further comprises: a duration field;

   The method further includes:

   After the valid time indicated by the duration field ends, the AP device contends for channel resources corresponding to the first frequency band.
4. The method according to any one of claims 1 to 3, wherein the first access point AP device determines the first frequency band that the AP device does not need to use, including:

   The AP device determines a first frequency band that the AP device does not need to use after the frequency band is switched.
5. The method according to any one of claims 1 to 3, wherein the network identifier of the first network comprises: a medium access control MAC address of the AP device.
6. A message processing method, the method is applied to a first device, the first device is a device in a first network, and the first network further includes an access point AP device, where the method includes:

   Receiving, by the first device, the first message that is broadcast by the AP device, where the first message includes: a network identifier of the first network, where the first message is used to indicate that the first device is in a first frequency band. Keep silent, and instruct the second device not to respond to the first message, wherein the second device is a device in a second network that receives the first message, the second network and the first network Having different network identifiers, where the first frequency band is a frequency band that the AP device does not need to use;

   The first device remains silent on the first frequency band according to the first message.
7. The method according to claim 6, wherein the first device keeps silent on the first frequency band according to the first message, including:

   After receiving the first message, the first device parses a frame control field, a receiving address field, and a sending address field of the first message;

   When the value of the frame control field is the first value, and the value of the receiving address field is a broadcast address, and the value of the sending address field is the network identifier, the first device is in the Keep silent on the first frequency band.
8. The method according to claim 6, wherein the first message further comprises: a duration field, the method further comprising:

   After the valid time indicated by the duration field ends, the first device contends for channel resources corresponding to the first frequency band.
9. The method according to any one of claims 6 to 8, wherein the network identifier of the first network comprises: a medium access control MAC address of the AP device.
10. An access point AP device, comprising:

    a frequency band determining module, configured to determine a first frequency band that the AP device does not need to use;

    a generating module, configured to generate a first message, where the first message includes: a network identifier of a first network where the AP device is located, where the first network is a network formed by the AP device and a device associated with the AP device ;

    a broadcast module, configured to broadcast the first message, by using the first message, to indicate that the first device remains silent on the first frequency band, and by using the first message, to indicate that the second device does not respond to the first message The first device is a device in the first network that receives the first message, and the second device is a device in a second network that receives the first message, The second network has a different network identity than the first network.
11. The AP device according to claim 10, wherein the generating module is configured to: configure a first value indicating a message type in a frame control field of the first message; and receive the first message A broadcast address is configured in the address field; the network identifier is configured in a send address field of the first message.
12. The AP device according to claim 10, wherein the first message further comprises: a duration field;

    The AP device further includes: a contention module, configured to compete for channel resources corresponding to the first frequency band after the valid time indicated by the duration field ends.
13. The AP device according to any one of claims 10 to 12, wherein the frequency band determining module is specifically configured to determine a first frequency band that the AP device does not need to use after frequency band switching.
14. The AP device according to any one of claims 10 to 13, wherein the network identifier of the first network comprises: a media access control MAC address of the AP device.
15. A message processing device, wherein the message processing device is specifically a first device in a first network, the first network further includes an access point AP device, and the message processing device includes:

    a receiving module, configured to receive a first message that is broadcast by the AP device, where the first message includes: a network identifier of the first network, where the first message is used to indicate that the first device is in a first frequency band Keep silent, and instruct the second device not to respond to the first message, wherein the second device is a device in a second network that receives the first message, the second network and the first network Having different network identifiers, where the first frequency band is a frequency band that the AP device does not need to use;

    And a silence module, configured to keep silent on the first frequency band according to the first message.
16. The message processing device according to claim 15, wherein the silence module is configured to parse a frame control field and a receive address field of the first message after the receiving module receives the first message. And a sending address field; when the value of the frame control field is a first value, and the value of the receiving address field is a broadcast address, and the value of the sending address field is the network identifier, Keep silent on the first frequency band.
17. The message processing device according to claim 15, wherein the first message further comprises: a duration field, the first device further comprising: a contention module, configured to end at a valid time indicated by the duration field Thereafter, the channel resources corresponding to the first frequency band are competed.
18. The message processing device according to any one of claims 15 to 17, wherein the network identifier of the first network comprises: a media access control MAC address of the AP device.
19. An access point AP device, where the AP device includes: a processor and a memory;

    The memory is configured to store an instruction;

    The processor, for executing the instructions in the memory, performing the method of any one of claims 1 to 5.
20. A message processing device, characterized in that the message processing device comprises: a processor and a memory;

    The memory is configured to store an instruction;

    The processor, for executing the instructions in the memory, performing the method of any one of claims 6 to 9.
21. A computer readable storage medium comprising instructions which, when executed on a computer, cause the computer to perform the method of any of claims 1-5, or claims 6-9.
22. A computer program product comprising instructions which, when run on a computer, cause the computer to perform the method of any of claims 1-5, or claims 6-9.

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