CN109548086B - Communication method and device of wireless local area network, site equipment and access point equipment - Google Patents

Communication method and device of wireless local area network, site equipment and access point equipment Download PDF

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CN109548086B
CN109548086B CN201710868059.6A CN201710868059A CN109548086B CN 109548086 B CN109548086 B CN 109548086B CN 201710868059 A CN201710868059 A CN 201710868059A CN 109548086 B CN109548086 B CN 109548086B
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sleep mode
frame
message frame
periodic sleep
duration
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CN109548086A (en
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董贤东
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Meizu Technology Co Ltd
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Meizu Technology Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/002—Transmission of channel access control information
    • H04W74/004—Transmission of channel access control information in the uplink, i.e. towards network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/002—Transmission of channel access control information
    • H04W74/006—Transmission of channel access control information in the downlink, i.e. towards the terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/04—Scheduled access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention provides a communication method, a communication device, site equipment and access point equipment of a wireless local area network, wherein the communication method of the wireless local area network comprises the following steps: generating a confirmation message frame, wherein the confirmation message frame comprises type indication information which is used for identifying whether the station equipment exits the periodic sleep mode; when the type indication information is set to be a second value, identifying that the station equipment exits the periodic sleep mode, wherein the duration of a duration field of a confirmation message frame is the sum of the duration of the confirmation message frame, the duration of an exit request frame of the periodic sleep mode, the duration of an exit response frame of the periodic sleep mode and the duration of a gap between two preset frames, so that the access point equipment determines the moment when the station equipment exits the periodic sleep mode according to the duration field; an acknowledgement message frame is sent. By the technical scheme of the invention, the possibility of data collision is reduced, and the frequency spectrum utilization rate and the data throughput are favorably improved.

Description

Communication method and device of wireless local area network, site equipment and access point equipment
Technical Field
The present invention relates to the field of communication network technologies, and in particular, to a communication method of a wireless local area network, a communication apparatus of a wireless local area network, a station device, and an access point device.
Background
In 2016, the IEEE (Institute of Electrical and Electronic Engineers) 802.11 established the next-generation wur (wake up receiver) group of Wi-Fi (Wireless Fidelity) technologies, namely the IEEE (Institute of Electrical and Electronic Engineers) 802.11ba, which is mainly applied to the internet of things and aims to save the power consumption of the devices as much as possible.
A wake-up message (wake-up) frame is defined in the IEEE 802.11ba standard, and the main purpose of the wake-up message frame is to wake up a primary communication interface of a communication device, that is, the communication device receives the wake-up frame through a secondary communication interface, and the power consumption required by the wake-up message frame is not more than 1mw, which is much less than the power consumption required by the primary communication interface of the communication device, and is beneficial to saving the power consumption of the communication device.
In the related art, in the data interaction process based on the IEEE 802.11ba standard, the primary communication interface of the station device supports the sleep mode, and once the secondary communication interface of the station device receives the wakeup message frame, the primary communication interface is immediately waken up to receive the downlink cache data.
In order to further reduce the power consumption of communication devices (including station devices and access point devices), a secondary communication interface of a communication device can be set to support a periodic sleep mode, so as to further reduce the power consumption of the station devices, and the secondary communication interface can also enter a periodic sleep state in a WUR mode, at this time, a service period negotiated and allocated to a primary communication interface of the station device for data communication is suspended by the access point device, in order to improve the spectrum utilization rate, the service period is reallocated to other station devices in an awake state, and after the station device exits the WUR mode, the service period is withdrawn and re-executed, however, how the station device explicitly and timely informs the access point device to exit the WUR mode does not have an explicit negotiation method.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art or the related art.
To this end, an object of the present invention is to provide a communication method of a wireless local area network.
Another object of the present invention is to provide a communication method of a wireless local area network.
It is still another object of the present invention to provide a communication apparatus for a wireless local area network.
It is yet another object of the present invention to provide a station apparatus.
It is still another object of the present invention to provide an access point device.
In order to achieve the above object, a technical solution of a first aspect of the present invention provides a communication method for a wireless local area network, including: generating a confirmation message frame, wherein the confirmation message frame comprises type indication information which is used for identifying whether the station equipment exits the periodic sleep mode; when the type indication information is set to be a second value, identifying that the station equipment exits the periodic sleep mode, wherein the duration of a duration field of a confirmation message frame is the sum of the duration of the confirmation message frame, the duration of an exit request frame of the periodic sleep mode, the duration of an exit response frame of the periodic sleep mode and the duration of a gap between two preset frames, so that the access point equipment determines the moment when the station equipment exits the periodic sleep mode according to the duration field; an acknowledgement message frame is sent.
In the technical scheme, a confirmation message frame is sent by a station device, the confirmation message frame is provided with type indication information for indicating whether the station device exits from a periodic sleep mode, wherein when the type indication information is set to be a second value, the time length of a time length field of the confirmation message frame is not zero, so that an access point device is provided with a resource block meeting the requirements of transmitting an exit request frame, an exit response frame and the confirmation message frame, and the station device exits from a WUR mode after receiving the exit response frame, wherein a secondary communication interface exits from the periodic sleep mode, namely the secondary communication interface is in a sleep state, and further the access point device can retrieve a service period and reallocate the service period to the station device, so that the utilization rate of spectrum resources is improved, and the possibility of data collision is reduced.
The service period refers to a duration of data communication with the access point device negotiated with the access point device before the main communication interface of the station device enters the sleep state, and the duration may be exclusive to the station device alone, that is, not competitive, or a duration of competition.
Wherein the second value may be set to "0" which is a one-bit binary.
The first exiting WUR mode is a simple interaction mode, that is, type indication information (a second value) is written in a type field of an acknowledgement message frame, and the access point device can determine that the station device exits the WUR mode after receiving the acknowledgement message frame without parsing a duration field.
The second exit WUR mode is a data interaction mode, where the type indication information (which is a second value) is written in the type field of the acknowledgement message frame, the station device still needs to send an exit request frame to the access point device, and exits the WUR mode after receiving an exit response frame fed back by the access point device, where the secondary communication interface exits the periodic sleep mode.
In the foregoing technical solution, preferably, the communication method of the wireless local area network further includes: and when the type indication information is set to a first value, after the confirmation message frame is sent, identifying that the station equipment does not exit the periodic sleep mode.
In the technical solution, when the type indication information is set to the first value, the periodic sleep mode is not exited, and at this time, the acknowledgment message frame is only used for acknowledging that the downlink message frame is received, and at this time, the access point device does not need to withdraw the service period after receiving the acknowledgment message frame.
Wherein the first value may be set to a one-bit binary "1".
In any one of the above technical solutions, preferably, the communication method of the wireless local area network further includes: when the type indication information is set to be a second value, after the confirmation message frame is sent, a quitting request frame of the periodic sleep mode is generated and sent; after the exit request frame is sent, receiving an exit response frame fed back by the access point equipment in response to the exit request frame; exiting the periodic sleep mode upon receiving an exit response frame.
In the technical scheme, when the type indication information is set to be the second value, after the station equipment sends the exit request frame, the station equipment receives an exit response frame fed back by the access point equipment in response to the exit request frame, and after the station equipment receives the exit response frame, the access point equipment exiting the periodic sleep mode can recover the service period in the data interaction process, so that the access efficiency of the station equipment exiting the WUR mode is improved.
In any one of the above technical solutions, preferably, the communication method of the wireless local area network further includes: after exiting the periodic sleep mode, receiving a management message frame, wherein the management message frame comprises indication information of service period parameters; determining corresponding locally stored service period parameters according to the indication information; and accessing the communication channel according to the service period parameters, wherein the service period parameters are distributed to the station equipment before the station equipment enters the periodic sleep mode by the access point equipment.
In the technical scheme, the station equipment receives the management message frame after exiting the WUR mode and re-accesses the communication channel according to the management message frame, so that the access efficiency of the station equipment is improved, and the use experience of a user is improved.
In a technical solution of the second aspect of the present invention, a communication method of a wireless local area network is further provided, including: receiving a confirmation message frame, wherein the confirmation message frame comprises type indication information; when the analysis type indication information is a first value, confirming that the station equipment does not exit the periodic sleep mode; and when the analysis type indication information is a second value, determining the moment when the station equipment exits the periodic sleep mode according to the duration field, wherein the duration of the duration field of the confirmation message frame is the sum of the duration of the confirmation message frame, the duration of an exit request frame of the periodic sleep mode, the duration of an exit response frame of the periodic sleep mode and the duration of two preset inter-frame gaps.
In the technical scheme, a confirmation message frame is sent by a station device, the confirmation message frame is provided with type indication information for indicating whether the station device exits from a periodic sleep mode, wherein when the type indication information is set to be a second value, the time length of a time length field of the confirmation message frame is not zero, so that an access point device is provided with a resource block meeting the requirements of transmitting an exit request frame, an exit response frame and the confirmation message frame, and the station device exits from a WUR mode after receiving the exit response frame, wherein a secondary communication interface exits from the periodic sleep mode, namely the secondary communication interface is in a sleep state, and further the access point device can retrieve a service period and reallocate the service period to the station device, so that the utilization rate of spectrum resources is improved, and the possibility of data collision is reduced.
The service period refers to a duration of data communication with the access point device negotiated with the access point device before the main communication interface of the station device enters the sleep state, and the duration may be exclusive to the station device alone, that is, not competitive, or a duration of competition.
Wherein the second value may be set to "0" which is a one-bit binary.
The first exit WUR mode is a simple interaction mode, that is, type indication information (a second value) is written in a type field of an acknowledgement message frame, and the access point device can determine that the station device exits the WUR mode after receiving the acknowledgement message frame without parsing a duration field.
The second exit WUR mode is a data interaction mode, where the type indication information (which is a second value) is written in the type field of the acknowledgement message frame, the station device still needs to send an exit request frame to the access point device, and exits the WUR mode after receiving an exit response frame fed back by the access point device, where the secondary communication interface exits the periodic sleep mode.
In any of the above technical solutions, preferably, the communication method of the wireless local area network further includes: receiving an exit request frame of the periodic sleep mode after the analysis type indication information is a second value; generating an exit response frame of the periodic sleep mode in response to the exit request frame; and after the exit response frame is sent, indicating the station equipment to exit the periodic sleep mode.
In the technical scheme, when the type indication information is set to be the second value, after the station equipment sends the exit request frame, the station equipment receives an exit response frame fed back by the access point equipment in response to the exit request frame, and after the station equipment receives the exit response frame, the access point equipment exiting the periodic sleep mode can recover the service period in the data interaction process, so that the access efficiency of the station equipment exiting the WUR mode is improved.
In any of the above technical solutions, preferably, the communication method of the wireless local area network further includes: determining a locally stored service period parameter after detecting that the station equipment exits the periodic sleep mode; generating a management message frame, wherein the management message frame comprises indication information of the service period parameters so as to indicate the site equipment to access a communication channel according to the service period parameters; and sending a management message frame, wherein the service period parameter is distributed to the station equipment before the periodic sleep mode is entered by the access point equipment.
In the technical scheme, the station equipment receives the management message frame after exiting the WUR mode and re-accesses the communication channel according to the management message frame, so that the access efficiency of the station equipment is improved, and the use experience of a user is improved.
In the technical solution of the third aspect of the present invention, a communication apparatus of a wireless local area network is further provided, including: the generating unit is used for generating a confirmation message frame, wherein the confirmation message frame comprises type indicating information, and the indicating information is used for identifying whether the station equipment exits the periodic sleep mode; the indication unit is used for identifying the station equipment to exit the periodic sleep mode when the type indication information is set to be a second value, wherein the duration of the duration field of the confirmation message frame is the sum of the duration of the confirmation message frame, the duration of an exit request frame of the periodic sleep mode, the duration of an exit response frame of the periodic sleep mode and the duration of a gap between two preset frames, so that the access point equipment can determine the time when the station equipment exits the periodic sleep mode according to the duration field; a communication unit for transmitting an acknowledgement message frame.
In the technical scheme, a station device sends a confirmation message frame, the confirmation message frame is provided with type indication information for indicating whether the station device exits from a periodic sleep mode, wherein when the type indication information is set to be a second value, the time length of a time length field of the confirmation message frame is not zero, so that an access point device configures a resource block which meets transmission exit request frames, exit response frames and confirmation message frames, and the station device exits from a WUR mode after receiving the exit response frame, wherein a secondary communication interface exits from the periodic sleep mode, namely the secondary communication interface is in a sleep state, so that the access point device can recover a service period and reallocate the service period to the station device.
The service period refers to a duration of data communication with the access point device negotiated with the access point device before the main communication interface of the station device enters the sleep state, and the duration may be exclusive to the station device alone, that is, not competitive, or a duration of competition.
Wherein the second value may be set to "0" in one-bit binary.
The first exiting WUR mode is a simple interaction mode, that is, type indication information (a second value) is written in a type field of an acknowledgement message frame, and the access point device can determine that the station device exits the WUR mode after receiving the acknowledgement message frame without parsing a duration field.
The second exit WUR mode is a data interaction mode, where the type indication information (a second value) is written in the type field of the acknowledgement message frame, the station device still needs to send an exit request frame to the access point device, and exits the WUR mode after receiving an exit response frame fed back by the access point device, where the secondary communication interface exits the periodic sleep mode.
In any one of the above technical solutions, preferably, the communication unit is further configured to: and when the type indication information is set to a first value, after the confirmation message frame is sent, identifying that the station equipment does not exit the periodic sleep mode.
In the technical solution, when the type indication information is set to the first value, the periodic sleep mode is not exited, and at this time, the acknowledgment message frame is only used for acknowledging that the downlink message frame is received, and at this time, the access point device does not need to withdraw the service period after receiving the acknowledgment message frame.
Wherein the first value may be set to a one-bit binary "1".
In any one of the above technical solutions, preferably, the generating unit is further configured to: when the type indication information is set to the second value, generating and sending an exit request frame of the periodic sleep mode after sending the confirmation message frame; the communication unit is further configured to: after the quit request frame is sent, a quit response frame fed back by the access point equipment in response to the quit request frame is received; the communication unit is further configured to: exiting the periodic sleep mode after receiving the exit response frame.
In the technical scheme, when the type indication information is set to be the second value, after the station equipment sends the exit request frame, the station equipment receives an exit response frame fed back by the access point equipment in response to the exit request frame, and after the station equipment receives the exit response frame, the access point equipment exiting the periodic sleep mode can recover the service period in the data interaction process, so that the access efficiency of the station equipment exiting the WUR mode is improved.
In any one of the above technical solutions, preferably, the communication unit is further configured to: after exiting the periodic sleep mode, receiving a management message frame, wherein the management message frame comprises indication information of service period parameters; the communication device of the wireless local area network further includes: the determining unit is used for determining the corresponding locally stored service period parameter according to the indication information; the communication unit is further configured to: and accessing the communication channel according to the service period parameters, wherein the service period parameters are distributed to the station equipment before the station equipment enters the periodic sleep mode by the access point equipment.
In the technical scheme, the station equipment receives the management message frame after exiting the WUR mode and re-accesses the communication channel according to the management message frame, so that the access efficiency of the station equipment is improved, and the use experience of a user is improved.
In an embodiment of the fourth aspect of the present invention, a station device is further provided, which includes the communication apparatus of the wireless local area network according to the embodiment of the third aspect.
In the technical solution of the fifth aspect of the present invention, a communication device of a wireless local area network is further provided, including: the communication unit is used for receiving a confirmation message frame, and the confirmation message frame comprises type indication information; the analysis unit is used for confirming that the station equipment does not exit the periodic sleep mode when the analysis type indication information is a first value; the parsing unit is further configured to: and when the analysis type indication information is a second value, determining the moment when the station equipment exits the periodic sleep mode according to the duration field, wherein the duration of the duration field of the confirmation message frame is the sum of the duration of the confirmation message frame, the duration of an exit request frame of the periodic sleep mode, the duration of an exit response frame of the periodic sleep mode and the duration of two preset inter-frame gaps.
In the technical scheme, a confirmation message frame is sent by a station device, the confirmation message frame is provided with type indication information for indicating whether the station device exits from a periodic sleep mode, wherein when the type indication information is set to be a second value, the time length of a time length field of the confirmation message frame is not zero, so that an access point device is provided with a resource block meeting the requirements of transmitting an exit request frame, an exit response frame and the confirmation message frame, and the station device exits from a WUR mode after receiving the exit response frame, wherein a secondary communication interface exits from the periodic sleep mode, namely the secondary communication interface is in a sleep state, and further the access point device can retrieve a service period and reallocate the service period to the station device, so that the utilization rate of spectrum resources is improved, and the possibility of data collision is reduced.
The service period refers to a duration negotiated with the access point device for data communication before a main communication interface of the station device enters a sleep state, and the duration may be exclusive to the station device alone, that is, not competitive, or a duration of the competition.
Wherein the second value may be set to "0" which is a one-bit binary.
The first exiting WUR mode is a simple interaction mode, that is, type indication information (a second value) is written in a type field of an acknowledgement message frame, and the access point device can determine that the station device exits the WUR mode after receiving the acknowledgement message frame without parsing a duration field.
The second exit WUR mode is a data interaction mode, where the type indication information (which is a second value) is written in the type field of the acknowledgement message frame, the station device still needs to send an exit request frame to the access point device, and exits the WUR mode after receiving an exit response frame fed back by the access point device, where the secondary communication interface exits the periodic sleep mode.
In any of the above technical solutions, preferably, the communication unit is further configured to: receiving an exit request frame of the periodic sleep mode after the analysis type indication information is a second value; the communication device of the wireless local area network further includes: a first generation unit for generating an exit response frame of the periodic sleep mode in response to the exit request frame; the communication unit is further configured to: and after the exit response frame is sent, indicating the station equipment to exit the periodic sleep mode.
In the technical scheme, when the type indication information is set to be the second value, after the station equipment sends the exit request frame, the station equipment receives an exit response frame fed back by the access point equipment in response to the exit request frame, and after the station equipment receives the exit response frame, the access point equipment exiting the periodic sleep mode can recover the service period in the data interaction process, so that the access efficiency of the station equipment exiting the WUR mode is improved.
In any one of the above technical solutions, preferably, the communication apparatus of the wireless local area network further includes: the determining unit is used for determining the locally stored service period parameters after detecting that the station equipment exits the periodic sleep mode; a second generating unit, configured to generate a management message frame, where the management message frame includes indication information of a service cycle parameter, so as to indicate a station device to access a communication channel according to the service cycle parameter; the communication unit is further configured to: and sending a management message frame, wherein the service period parameter is distributed to the station equipment before the periodic sleep mode is entered by the access point equipment.
In the technical scheme, the station equipment receives the management message frame after exiting the WUR mode and re-accesses the communication channel according to the management message frame, so that the access efficiency of the station equipment is improved, and the use experience of a user is improved.
In an embodiment of the sixth aspect of the present invention, an access point device is further provided, which includes the communication apparatus of the wireless local area network according to the above-mentioned embodiment of the fifth aspect.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 shows a schematic flow diagram of a communication method of a wireless local area network according to one embodiment of the invention;
fig. 2 shows a schematic flow diagram of a communication method of a wireless local area network according to another embodiment of the present invention;
fig. 3 shows a schematic block diagram of a communication device of a wireless local area network according to an embodiment of the invention;
fig. 4 shows a schematic block diagram of a communication device of a wireless local area network according to another embodiment of the present invention;
FIG. 5 shows a schematic block diagram of a station apparatus according to an embodiment of the invention;
fig. 6 shows a schematic block diagram of an access point device according to an embodiment of the invention;
fig. 7 shows a schematic diagram of a communication interaction procedure of a wireless local area network according to an embodiment of the invention;
fig. 8 is a diagram illustrating a communication interaction procedure of a wireless local area network according to another embodiment of the present invention.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
Fig. 1 shows a schematic flow diagram of a communication method of a wireless local area network according to one embodiment of the present invention.
As shown in fig. 1, a communication method of a wireless local area network according to an embodiment of the present invention includes: step S102, generating a confirmation message frame, wherein the confirmation message frame comprises type indication information which is used for marking whether the site equipment exits the periodic sleep mode; step S104, when the type indication information is set to a second value, identifying that the station equipment exits the periodic sleep mode, wherein the duration of the duration field of the confirmation message frame is the sum of the duration of the confirmation message frame, the duration of an exit request frame of the periodic sleep mode, the duration of an exit response frame of the periodic sleep mode and the duration of a gap between two preset frames, so that the access point equipment can determine the time when the station equipment exits the periodic sleep mode according to the duration field; step S106, sending the confirmation message frame.
In the technical scheme, a station device sends a confirmation message frame, the confirmation message frame is provided with type indication information for indicating whether the station device exits from a periodic sleep mode, wherein when the type indication information is set to be a second value, the time length of a time length field of the confirmation message frame is not zero, so that an access point device configures a resource block which meets transmission exit request frames, exit response frames and confirmation message frames, and the station device exits from a WUR mode after receiving the exit response frame, wherein a secondary communication interface exits from the periodic sleep mode, namely the secondary communication interface is in a sleep state, so that the access point device can recover a service period and reallocate the service period to the station device.
The service period refers to a duration of data communication with the access point device negotiated with the access point device before the main communication interface of the station device enters the sleep state, and the duration may be exclusive to the station device alone, that is, not competitive, or a duration of competition.
Wherein the second value may be set to "0" in one-bit binary.
The first exiting WUR mode is a simple interaction mode, that is, type indication information (a second value) is written in a type field of an acknowledgement message frame, and the access point device can determine that the station device exits the WUR mode after receiving the acknowledgement message frame without parsing a duration field.
The second exit WUR mode is a data interaction mode, where the type indication information (which is a second value) is written in the type field of the acknowledgement message frame, the station device still needs to send an exit request frame to the access point device, and exits the WUR mode after receiving an exit response frame fed back by the access point device, where the secondary communication interface exits the periodic sleep mode.
In the foregoing technical solution, preferably, the communication method of the wireless local area network further includes: and when the type indication information is set to be a first value, after the confirmation message frame is sent, the station equipment is identified not to exit the periodic sleep mode.
In the technical solution, when the type indication information is set to the first value, the periodic sleep mode is not exited, and at this time, the acknowledgment message frame is only used for acknowledging that the downlink message frame is received, and at this time, the access point device does not need to withdraw the service period after receiving the acknowledgment message frame.
Wherein the first value may be set to a one-bit binary "1".
In any one of the above technical solutions, preferably, the communication method of the wireless local area network further includes: when the type indication information is set to be a second value, after the confirmation message frame is sent, a quitting request frame of the periodic sleep mode is generated and sent; after the exit request frame is sent, receiving an exit response frame fed back by the access point equipment in response to the exit request frame; exiting the periodic sleep mode upon receiving an exit response frame.
In the technical scheme, when the type indication information is set to be the second value, after the station equipment sends the exit request frame, the station equipment receives an exit response frame fed back by the access point equipment in response to the exit request frame, and after the station equipment receives the exit response frame, the access point equipment exiting the periodic sleep mode can recover the service period in the data interaction process, so that the access efficiency of the station equipment exiting the WUR mode is improved.
In any one of the above technical solutions, preferably, the communication method of the wireless local area network further includes: after exiting the periodic sleep mode, receiving a management message frame, wherein the management message frame comprises indication information of service period parameters; determining corresponding locally stored service period parameters according to the indication information; and accessing the communication channel according to the service period parameters, wherein the service period parameters are distributed to the station equipment before entering the periodic sleep mode by the access point equipment.
In the technical scheme, the station equipment receives the management message frame after exiting the WUR mode and re-accesses the communication channel according to the management message frame, so that the access efficiency of the station equipment is improved, and the use experience of a user is improved.
Fig. 2 shows a schematic flow chart of a communication method of a wireless local area network according to another embodiment of the present invention.
As shown in fig. 2, a communication method of a wireless local area network according to another embodiment of the present invention includes: step S202, receiving a confirmation message frame, wherein the confirmation message frame comprises type indication information; step S204, when the analysis type indication information is a first value, the station equipment is confirmed not to exit the periodic sleep mode; and step S206, when the analysis type indication information is a second value, determining the time when the station equipment exits the periodic sleep mode according to the time length field, wherein the time length of the time length field of the confirmation message frame is the sum of the time length of the confirmation message frame, the time length of an exit request frame of the periodic sleep mode, the time length of an exit response frame of the periodic sleep mode and the time length of a gap between two preset frames.
In the technical scheme, a station device sends a confirmation message frame, the confirmation message frame is provided with type indication information for indicating whether the station device exits from a periodic sleep mode, wherein when the type indication information is set to be a second value, the time length of a time length field of the confirmation message frame is not zero, so that an access point device configures a resource block which meets transmission exit request frames, exit response frames and confirmation message frames, and the station device exits from a WUR mode after receiving the exit response frame, wherein a secondary communication interface exits from the periodic sleep mode, namely the secondary communication interface is in a sleep state, so that the access point device can recover a service period and reallocate the service period to the station device.
The service period refers to a duration negotiated with the access point device for data communication before a main communication interface of the station device enters a sleep state, and the duration may be exclusive to the station device alone, that is, not competitive, or a duration of the competition.
Wherein the second value may be set to "0" which is a one-bit binary.
The first exiting WUR mode is a simple interaction mode, that is, type indication information (a second value) is written in a type field of an acknowledgement message frame, and the access point device can determine that the station device exits the WUR mode after receiving the acknowledgement message frame without parsing a duration field.
The second exit WUR mode is a data interaction mode, where the type indication information (a second value) is written in the type field of the acknowledgement message frame, the station device still needs to send an exit request frame to the access point device, and exits the WUR mode after receiving an exit response frame fed back by the access point device, where the secondary communication interface exits the periodic sleep mode.
In any one of the above technical solutions, preferably, the communication method of the wireless local area network further includes: receiving an exit request frame of the periodic sleep mode after the analysis type indication information is a second value; generating an exit response frame of the periodic sleep mode in response to the exit request frame; and after the exit response frame is sent, indicating the station equipment to exit the periodic sleep mode.
In the technical scheme, when the type indication information is set to be the second value, after the station equipment sends the exit request frame, the station equipment receives an exit response frame fed back by the access point equipment in response to the exit request frame, and after the station equipment receives the exit response frame, the access point equipment exiting the periodic sleep mode can recover the service period in the data interaction process, so that the access efficiency of the station equipment exiting the WUR mode is improved.
In any of the above technical solutions, preferably, the communication method of the wireless local area network further includes: determining a locally stored service period parameter after detecting that the site equipment exits the periodic sleep mode; generating a management message frame, wherein the management message frame comprises indication information of the service period parameters so as to indicate the site equipment to access a communication channel according to the service period parameters; and sending a management message frame, wherein the service period parameter is distributed to the station equipment before entering the periodic sleep mode by the access point equipment.
In the technical scheme, the station equipment receives the management message frame after exiting the WUR mode and re-accesses the communication channel according to the management message frame, so that the access efficiency of the station equipment is improved, and the use experience of a user is improved.
Fig. 3 shows a schematic block diagram of a communication device of a wireless local area network according to an embodiment of the present invention.
As shown in fig. 3, a communication apparatus 300 of a wireless local area network according to an embodiment of the present invention includes: a generating unit 302, configured to generate a confirmation message frame, where the confirmation message frame includes type indication information, and the indication information is used to identify whether the station device exits the periodic sleep mode; an indicating unit 304, configured to identify that the station device exits the periodic sleep mode when the type indication information is set to a second value, where a duration of a duration field of the acknowledgment message frame is a sum of a duration of the acknowledgment message frame, a duration of an exit request frame of the periodic sleep mode, a duration of an exit response frame of the periodic sleep mode, and a duration of a gap between two preset frames, so that the access point device determines, according to the duration field, a time at which the station device exits the periodic sleep mode; a communication unit 306, configured to send an acknowledgement message frame.
In the technical scheme, a confirmation message frame is sent by a station device, the confirmation message frame is provided with type indication information for indicating whether the station device exits from a periodic sleep mode, wherein when the type indication information is set to be a second value, the time length of a time length field of the confirmation message frame is not zero, so that an access point device is provided with a resource block meeting the requirements of transmitting an exit request frame, an exit response frame and the confirmation message frame, and the station device exits from a WUR mode after receiving the exit response frame, wherein a secondary communication interface exits from the periodic sleep mode, namely the secondary communication interface is in a sleep state, and further the access point device can retrieve a service period and reallocate the service period to the station device, so that the utilization rate of spectrum resources is improved, and the possibility of data collision is reduced.
The service period refers to a duration negotiated with the access point device for data communication before a main communication interface of the station device enters a sleep state, and the duration may be exclusive to the station device alone, that is, not competitive, or a duration of the competition.
Wherein the second value may be set to "0" which is a one-bit binary.
The first exiting WUR mode is a simple interaction mode, that is, type indication information (a second value) is written in a type field of an acknowledgement message frame, and the access point device can determine that the station device exits the WUR mode after receiving the acknowledgement message frame without parsing a duration field.
The second exit WUR mode is a data interaction mode, where the type indication information (which is a second value) is written in the type field of the acknowledgement message frame, the station device still needs to send an exit request frame to the access point device, and exits the WUR mode after receiving an exit response frame fed back by the access point device, where the secondary communication interface exits the periodic sleep mode.
In any of the above technical solutions, preferably, the communication unit 306 is further configured to: and when the type indication information is set to a first value, after the confirmation message frame is sent, identifying that the station equipment does not exit the periodic sleep mode.
In the technical scheme, when the type indication information is set to the first value, the periodic sleep mode is not exited, at this time, the acknowledgement message frame is only used for acknowledging that the downlink message frame is received, and at this time, the access point device does not need to withdraw the service period after receiving the acknowledgement message frame.
Wherein the first value may be set to a one-bit binary "1".
In any one of the above technical solutions, preferably, the generating unit 302 is further configured to: when the type indication information is set to the second value, generating and sending an exit request frame of the periodic sleep mode after sending the confirmation message frame; the communication unit 306 is further configured to: after the quit request frame is sent, a quit response frame fed back by the access point equipment in response to the quit request frame is received; the communication unit 306 is further configured to: exiting the periodic sleep mode after receiving the exit response frame.
In the technical scheme, when the type indication information is set to be the second value, after the station equipment sends the exit request frame, the exit response frame fed back by the access point equipment in response to the exit request frame is received, and after the station equipment receives the exit response frame, the access point equipment exiting the periodic sleep mode can recover the service period in the data interaction process, so that the access efficiency of the station equipment exiting the WUR mode is improved.
In any of the above technical solutions, preferably, the communication unit 306 is further configured to: after exiting the periodic sleep mode, receiving a management message frame, wherein the management message frame comprises indication information of service period parameters; the communication apparatus 300 of the wireless local area network further includes: a determining unit 308, configured to determine, according to the indication information, a corresponding locally stored service period parameter; the communication unit 306 is further configured to: and accessing the communication channel according to the service period parameters, wherein the service period parameters are distributed to the station equipment before the station equipment enters the periodic sleep mode by the access point equipment.
In the technical scheme, the station equipment receives the management message frame after exiting the WUR mode and re-accesses the communication channel according to the management message frame, so that the access efficiency of the station equipment is improved, and the use experience of a user is improved.
Fig. 4 shows a schematic block diagram of a communication device of a wireless local area network according to another embodiment of the present invention.
As shown in fig. 4, a communication apparatus 400 of a wireless local area network according to another embodiment of the present invention includes: a communication unit 402, configured to receive an acknowledgement message frame, where the acknowledgement message frame includes type indication information; an analyzing unit 404, configured to determine that the station device does not exit the periodic sleep mode when the type indication information is analyzed to be the first value; the parsing unit 404 is further configured to: and when the analysis type indication information is a second value, determining the moment when the station equipment exits the periodic sleep mode according to the time length field, wherein the time length of the time length field of the confirmation message frame is the sum of the time length of the confirmation message frame, the time length of an exit request frame of the periodic sleep mode, the time length of an exit response frame of the periodic sleep mode and two preset inter-frame gap time lengths.
In the technical scheme, a confirmation message frame is sent by a station device, the confirmation message frame is provided with type indication information for indicating whether the station device exits from a periodic sleep mode, wherein when the type indication information is set to be a second value, the time length of a time length field of the confirmation message frame is not zero, so that an access point device is provided with a resource block meeting the requirements of transmitting an exit request frame, an exit response frame and the confirmation message frame, and the station device exits from a WUR mode after receiving the exit response frame, wherein a secondary communication interface exits from the periodic sleep mode, namely the secondary communication interface is in a sleep state, and further the access point device can retrieve a service period and reallocate the service period to the station device, so that the utilization rate of spectrum resources is improved, and the possibility of data collision is reduced.
The service period refers to a duration of data communication with the access point device negotiated with the access point device before the main communication interface of the station device enters the sleep state, and the duration may be exclusive to the station device alone, that is, not competitive, or a duration of competition.
Wherein the second value may be set to "0" in one-bit binary.
The first exiting WUR mode is a simple interaction mode, that is, type indication information (a second value) is written in a type field of an acknowledgement message frame, and the access point device can determine that the station device exits the WUR mode after receiving the acknowledgement message frame without parsing a duration field.
The second exit WUR mode is a data interaction mode, where the type indication information (which is a second value) is written in the type field of the acknowledgement message frame, the station device still needs to send an exit request frame to the access point device, and exits the WUR mode after receiving an exit response frame fed back by the access point device, where the secondary communication interface exits the periodic sleep mode.
In any of the above technical solutions, preferably, the communication unit 402 is further configured to: receiving an exit request frame of the periodic sleep mode after the analysis type indication information is a second value; the communication apparatus 400 of the wireless local area network further includes: a first generating unit 408 for generating an exit response frame of the periodic sleep mode in response to the exit request frame; the communication unit 402 is further configured to: and after the exit response frame is sent, indicating the station equipment to exit the periodic sleep mode.
In the technical scheme, when the type indication information is set to be the second value, after the station equipment sends the exit request frame, the station equipment receives an exit response frame fed back by the access point equipment in response to the exit request frame, and after the station equipment receives the exit response frame, the access point equipment exiting the periodic sleep mode can recover the service period in the data interaction process, so that the access efficiency of the station equipment exiting the WUR mode is improved.
In any of the above technical solutions, preferably, the communication apparatus 400 of the wireless local area network further includes: a determining unit 406, configured to determine a locally stored service period parameter after detecting that the station device exits the periodic sleep mode; a second generating unit 410, configured to generate a management message frame, where the management message frame includes indication information of a service period parameter, so as to indicate a station device to access a communication channel according to the service period parameter; the communication unit 402 is further configured to: and sending a management message frame, wherein the service period parameter is distributed to the station equipment before the periodic sleep mode is entered by the access point equipment.
In the technical scheme, the station equipment receives the management message frame after exiting the WUR mode and re-accesses the communication channel according to the management message frame, so that the access efficiency of the station equipment is improved, and the use experience of a user is improved.
Fig. 5 shows a schematic block diagram of a station device according to an embodiment of the invention.
As shown in fig. 5, an access point device 500 according to an embodiment of the present invention includes: such as the communication device 300 of the wireless local area network shown in fig. 3.
The communication device 300 of the wireless lan may be compatible with or integrated with an access point device such as a mobile phone, a tablet computer, a music playing device, a navigation device, a router, and the like having a Wi-Fi communication module, the generating unit 302, the indicating unit 304, and the determining unit 308 may be a processor (CPU), a controller (MCU), an embedded micro-control chip, a baseband processor, and the like of the communication device 300, and the communication unit 306 may be an antenna, a carrier modulation module, and the like of the communication device 300.
Fig. 6 shows a schematic block diagram of an access point device according to an embodiment of the invention.
As shown in fig. 6, a station apparatus 600 according to an embodiment of the present invention includes: such as the communication device 400 of the wireless local area network shown in fig. 4.
The communication device 400 of the wireless lan may be compatible with or integrated with an access point device such as a mobile phone, a tablet computer, a music playing device, a navigation device, and a router having a Wi-Fi communication module, the analyzing unit 404, the determining unit 406, the first generating unit 408, and the second generating unit 410 may be a processor (CPU), a controller (MCU), an embedded micro-controller chip, a baseband processor, and the like of the communication device 400, and the communication unit 402 may be an antenna, a carrier modulation module, and the like of the communication device 400.
The following specifically describes the communication scheme of the wireless lan according to the embodiment shown in fig. 7 and 8.
The first embodiment is as follows:
fig. 7 is a diagram illustrating a communication interaction procedure of a wireless local area network according to an embodiment of the present invention.
As shown in fig. 7, the communication interaction procedure of the wireless local area network according to an embodiment of the present invention includes:
(1) the station apparatus 500 is in the WUR mode, the primary communication interface is in a sleep state, and the secondary communication interface is in a periodic sleep state, at which time, a service period allocated to the station apparatus 500 is suspended.
(2) The access point device 600 enters time synchronization with the secondary communication interface, if the station device 500 exits the WUR mode, an ACK frame is generated and fed back, a type field in the ACK frame is used for writing type indication information, and the type indication information is "0", and when the access point device 600 resolves that the type indication information is "0", it is determined that the station device 500 exits the WUR mode, and recovers a service period and reallocates the service period to the station device 500, specifically, by generating a downlink management message frame and carrying a service period parameter in the management message frame, the station device 500 is instructed to access a communication channel, wherein the service period parameter includes an access time and an access duration.
The second embodiment:
as shown in fig. 8, the communication interaction procedure of the wireless local area network according to another embodiment of the present invention includes:
fig. 8 is a diagram illustrating a communication interaction procedure of a wireless local area network according to another embodiment of the present invention.
(1) The station apparatus 500 is in the WUR mode, the primary communication interface is in a sleep state, and the secondary communication interface is in a periodic sleep state, at which time, a service period allocated to the station apparatus 500 is suspended.
(2) The access point device 600 enters time synchronization with the secondary communication interface, and if the station device 500 exits the WUR mode, generates and feeds back an ACK Frame, where a type field in the ACK Frame is used to write type indication information, the type indication information is "0", and a duration (duration) of a duration field is not zero, and the duration is a sum of ACK transmission duration, WUR exit request Frame transmission duration, WUR exit response Frame transmission duration, and a double preset interframe Space duration (Short Inter-Frame Space, abbreviated as SIFS).
(3) When the access point device 600 resolves that the type indication information is "0", it waits for receiving the WUR exit request frame and determines that the station device 500 requests to exit the WUR mode.
(4) The access point device 600 feeds back a WUR exit response frame in response to the WUR exit request frame, and indicates the station device 500 to exit the WUR mode, receive back a service period and reallocate the service period to the station device 500, specifically, by generating a downlink management message frame and carrying a service period parameter in the management message frame, to indicate the station device 500 to access a communication channel, where the service period parameter includes an access time and an access duration.
The steps in the method of the invention can be sequentially adjusted, combined and deleted according to actual needs.
The units in the device can be merged, divided and deleted according to actual needs.
It will be understood by those skilled in the art that all or part of the steps in the methods of the embodiments described above may be implemented by hardware instructions of a program, and the program may be stored in a computer-readable storage medium, where the storage medium includes Read-Only Memory (ROM), Random Access Memory (RAM), Programmable Read-Only Memory (PROM), Erasable Programmable Read-Only Memory (EPROM), One-time Programmable Read-Only Memory (OTPROM), Electrically Erasable Programmable Read-Only Memory (EEPROM), Compact Disc Read-Only Memory (CD-ROM), or other Memory, such as a magnetic disk, or a combination thereof, A tape memory, or any other medium readable by a computer that can be used to carry or store data.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (16)

1. A communication method of a wireless local area network is suitable for a station device supporting a WUR mode, the station device comprises a primary communication interface and a secondary communication interface, the primary communication interface is in a dormant state in the WUR mode, and the communication method of the wireless local area network comprises the following steps:
generating a confirmation message frame, wherein the confirmation message frame comprises type indication information, and the indication information is used for identifying whether the station equipment exits the periodic sleep mode;
when the type indication information is set to be a second value, identifying that the station equipment exits the periodic sleep mode, wherein the duration of a duration field of the confirmation message frame is the sum of the duration of the confirmation message frame, the duration of an exit request frame of the periodic sleep mode, the duration of an exit response frame of the periodic sleep mode and the duration of two preset inter-frame gaps, so that the access point equipment determines the time when the station equipment exits the periodic sleep mode according to the duration field;
and sending the confirmation message frame.
2. The communication method of the wireless local area network according to claim 1, further comprising:
and when the type indication information is set to a first value, after the confirmation message frame is sent, identifying that the station equipment does not exit the periodic sleep mode.
3. The communication method of the wireless local area network according to claim 1, further comprising:
when the type indication information is set to the second value, generating and sending an exit request frame of the periodic sleep mode after sending the confirmation message frame;
after the quit request frame is sent, a quit response frame fed back by the access point equipment in response to the quit request frame is received;
exiting the periodic sleep mode after receiving the exit response frame.
4. The communication method of the wireless local area network according to any one of claims 1 to 3, further comprising:
receiving a management message frame after exiting the periodic sleep mode, the management message frame including indication information of a service period parameter;
determining a corresponding locally stored service period parameter according to the indication information;
accessing a communication channel according to the service period parameter,
wherein the service period parameter is assigned by the access point device to the station device before entering the periodic sleep mode.
5. A communication method of a wireless local area network is applicable to an access point device, and is characterized in that the communication method of the wireless local area network comprises the following steps:
receiving a confirmation message frame, wherein the confirmation message frame comprises type indication information;
when the type indication information is analyzed to be a first value, the station equipment is confirmed not to exit the periodic sleep mode;
when the type indication information is analyzed to be a second value, the time when the station equipment exits the periodic sleep mode is determined according to the time length field,
the duration of the duration field of the acknowledgment message frame is the sum of the duration of the acknowledgment message frame, the duration of the exit request frame of the periodic sleep mode, the duration of the exit response frame of the periodic sleep mode, and two preset interframe space durations.
6. The communication method of the wireless local area network according to claim 5, further comprising:
after the type indication information is analyzed to be the second value, receiving an exit request frame of the periodic sleep mode;
generating an exit response frame of the periodic sleep mode in response to the exit request frame;
and after the exit response frame is sent, indicating the site equipment to exit the periodic sleep mode.
7. The communication method of the wireless local area network according to claim 5 or 6, further comprising:
determining a locally stored service period parameter upon detecting that the site device exits the periodic sleep mode;
generating a management message frame, wherein the management message frame comprises indication information of the service period parameters so as to indicate the site equipment to access a communication channel according to the service period parameters;
the management message frame is transmitted in the form of a management message frame,
wherein the service period parameter is assigned by the access point device to the station device before entering the periodic sleep mode.
8. A communication apparatus of a wireless local area network adapted to a station device supporting a WUR mode, the station device including a primary communication interface and a secondary communication interface, the primary communication interface being in a sleep state in the WUR mode, the communication apparatus of the wireless local area network comprising:
a generating unit, configured to generate a confirmation message frame, where the confirmation message frame includes type indication information, and the indication information is used to identify whether the station device exits a periodic sleep mode;
an indicating unit, configured to identify that the station device exits the periodic sleep mode when the type indication information is set to a second value, where a duration of a duration field of the acknowledgment message frame is a sum of a duration of the acknowledgment message frame, a duration of an exit request frame of the periodic sleep mode, a duration of an exit response frame of the periodic sleep mode, and a duration of a gap between two preset frames, so that an access point device determines, according to the duration field, a time at which the station device exits the periodic sleep mode;
a communication unit, configured to send the acknowledgement message frame.
9. The communication device of the wireless local area network according to claim 8,
the communication unit is further configured to: and when the type indication information is set to a first value, after the confirmation message frame is sent, identifying that the station equipment does not exit the periodic sleep mode.
10. The communication device of the wireless local area network according to claim 8,
the generating unit is further configured to: when the type indication information is set to the second value, generating and sending an exit request frame of the periodic sleep mode after sending the confirmation message frame;
the communication unit is further configured to: after the quit request frame is sent, a quit response frame fed back by the access point equipment in response to the quit request frame is received;
the communication unit is further configured to: exiting the periodic sleep mode after receiving the exit response frame.
11. Communication device of a wireless local area network according to any of claims 8 to 10,
the communication unit is further configured to: receiving a management message frame after exiting the periodic sleep mode, the management message frame including indication information of a service period parameter;
the communication device of the wireless local area network further comprises:
the determining unit is used for determining the corresponding locally stored service period parameter according to the indication information;
the communication unit is further configured to: accessing a communication channel according to the service period parameter,
wherein the service period parameter is assigned by the access point device to the station device before entering the periodic sleep mode.
12. A communication apparatus of a wireless local area network, adapted to an access point device, the communication apparatus of the wireless local area network comprising:
the communication unit is used for receiving a confirmation message frame, and the confirmation message frame comprises type indication information;
the analysis unit is used for determining that the site equipment does not exit the periodic sleep mode when the type indication information is analyzed to be a first value;
the parsing unit is further configured to: when the type indication information is analyzed to be a second value, the time when the station equipment exits the periodic sleep mode is determined according to the time length field,
the duration of the duration field of the acknowledgment message frame is the sum of the duration of the acknowledgment message frame, the duration of the exit request frame of the periodic sleep mode, the duration of the exit response frame of the periodic sleep mode, and two preset inter-frame gap durations.
13. The communication device of the wireless local area network according to claim 12,
the communication unit is further configured to: after the type indication information is analyzed to be the second value, receiving an exit request frame of the periodic sleep mode;
the communication device of the wireless local area network further comprises:
a first generation unit for generating an exit response frame of the periodic sleep mode in response to the exit request frame;
the communication unit is further configured to: and after the exit response frame is sent, indicating the site equipment to exit the periodic sleep mode.
14. The communication apparatus of the wireless local area network according to claim 12 or 13, further comprising:
a determining unit, configured to determine a locally stored service period parameter after detecting that the station device exits the periodic sleep mode;
a second generating unit, configured to generate a management message frame, where the management message frame includes indication information of the service period parameter, so as to indicate the station device to access a communication channel according to the service period parameter;
the communication unit is further configured to: the management message frame is transmitted in the form of a management message frame,
wherein the service period parameter is assigned by the access point device to the station device before entering the periodic sleep mode.
15. A station apparatus, comprising:
communication device of a wireless local area network according to any of claims 8 to 11.
16. An access point device, comprising:
communication device of a wireless local area network according to any of claims 12 to 14.
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