CN109151956B - Communication method, communication device and communication equipment of wireless local area network - Google Patents

Communication method, communication device and communication equipment of wireless local area network Download PDF

Info

Publication number
CN109151956B
CN109151956B CN201710505718.XA CN201710505718A CN109151956B CN 109151956 B CN109151956 B CN 109151956B CN 201710505718 A CN201710505718 A CN 201710505718A CN 109151956 B CN109151956 B CN 109151956B
Authority
CN
China
Prior art keywords
frame
access channel
message frame
access
downlink data
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201710505718.XA
Other languages
Chinese (zh)
Other versions
CN109151956A (en
Inventor
董贤东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Meizu Technology Co Ltd
Original Assignee
Meizu Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Meizu Technology Co Ltd filed Critical Meizu Technology Co Ltd
Priority to CN201710505718.XA priority Critical patent/CN109151956B/en
Publication of CN109151956A publication Critical patent/CN109151956A/en
Application granted granted Critical
Publication of CN109151956B publication Critical patent/CN109151956B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
    • H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0248—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal dependent on the time of the day, e.g. according to expected transmission activity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access, e.g. scheduled or random 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, e.g. scheduled or random access
    • H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
    • H04W74/0833—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a random access procedure
    • 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]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Abstract

The invention provides a communication method, a communication device and communication equipment of a wireless local area network, wherein the communication method of the wireless local area network for an access point comprises the following steps: generating a WUR message frame when a downlink data frame is cached for an associated station, and setting access channel class information of the WUR message frame, wherein the access channel class information is matched with the frame type of the WUR message frame; and after channel resources are obtained according to the priority access level competition corresponding to the access channel type information, the WUR message frame is sent to the station. Through the technical scheme of the invention, the power consumption of the equipment can be effectively reduced, so that the equipment is more power-saving, and the requirements of IEEE 802.11ba are met.

Description

Communication method, communication device and communication equipment of wireless local area network
Technical Field
The present invention relates to the field of communication technologies, and in particular, to a communication method of a wireless local area network, a communication device of the wireless local area network, and a communication apparatus.
Background
In month 7 of 2016, IEEE (Institute of Electrical and Electronics Engineers ) 802.11 established a research group WUR (Wake Up Receiver) for the next generation Wi-Fi (Wireless Fidelity ) technology, namely IEEE 802.11.Ba, mainly applied to the internet of things, in order to save the power consumption of devices as much as possible, and most particularly in order to save the power consumption of devices as much as possible for devices that receive wake-up frames (wake-up message frames, WUR message frames), wherein the power consumption required for devices to receive wake-up frames is not more than 1mW.
Currently, how to use AC (Access category) and EDCA (Enhanced Distributed Channel Access ) parameter Access channels for WUR message frames is specified as follows:
(1) An Access Point (AP) may reuse the existing 4 ACs and corresponding EDCA parameters to transmit a WUR message frame, which includes: unicast wakeup message frames, multicast wakeup message frames, and WUR beacon frames;
(2) The access point may use any existing AC to send a multicast wakeup message frame;
(3) The access point may use any of the existing ACs to transmit WUR beacon frames;
(4) The access point may use any of the existing ACs to send unicast wakeup message frames when the access point does not have cached downstream data.
However, when the access point has buffered downlink data, how to transmit WUR message frames using AC becomes a technical problem to be solved.
Disclosure of Invention
Based on at least one of the technical problems, the invention provides a new communication scheme of the wireless local area network, when the access point caches the downlink data frame for the associated station, the corresponding access channel type information is selected according to the frame type of the WUR message frame, so that the WUR message frame is transmitted to the station according to the access channel of the priority level corresponding to the access channel type information, the power consumption of the equipment is reduced, the equipment is more power-saving, and the requirement of IEEE 802.11ba is met.
In view of this, according to a first aspect of the present invention, there is provided a communication method of a wireless local area network for an access point, the communication method of the wireless local area network including: generating a WUR message frame when a downlink data frame is cached for an associated station, and setting access channel class information of the WUR message frame, wherein the access channel class information is matched with the frame type of the WUR message frame; and after channel resources are obtained according to the priority access level competition corresponding to the access channel type information, the WUR message frame is sent to the station.
In the technical scheme, when the access point caches the downlink data frame for the station associated with the access point, a WUR message frame for waking up a main communication interface of the station can be generated, corresponding access channel class information (i.e., AC information) is set for the access point according to the frame type of the WUR message frame, so that channel resources are acquired in a competition mode according to the priority access level corresponding to the access channel class information, and the WUR message frame is sent to the station.
Specifically, the WUR message frame may be sent to the secondary communication interface of the station, so that the primary communication interface of the station is awakened to receive the downlink data frame cached by the access point for the station, that is, the primary communication interface of the station associated with the access point is always in a sleep state, and the secondary communication interface is in an awake or periodic awake state, and waits to receive the WUR message frame to awaken the primary communication interface.
Further, the priority access level corresponding to the access channel class information may be determined according to EDCA parameters corresponding to the access channel class information, and when the access point has cached the downlink data frame for the station, the priority access level corresponding to the access point may instruct the access point to access the channel with a higher priority level, and preferentially transmit the WUR message frame.
In the above technical solution, preferably, the step of generating WUR message frames further includes: determining the service type of the downlink data frame; and setting the access channel type information of the WUR message frame matched with the frame type according to the service type.
In the technical scheme, in order to meet the requirements of IEEE 802.11ba, the device is more power-saving, and when the frame type of the WUR message frame is matched with corresponding access channel type information, the service type of the downlink data frame cached by the access point for the station can be further combined, and meanwhile, the transmission efficiency of the downlink data frame can be improved.
Wherein, the service types of the downlink data frame preferably include: ac_ BK (Background), ac_ BE (Best Effort), ac_vi (Video) and ac_vo (Voice), are respectively a background stream message, a best effort stream message, a Video stream message and an existing Voice stream message, and specifically, the service types of the four downlink data frames are transmitted and received by preempting a wireless channel in order from low to high.
In any of the foregoing solutions, preferably, the frame type of the WUR message frame includes: unicast wakeup message frames, multicast wakeup message frames, and broadcast wakeup message frames.
In this technical solution, WUR message frames are transmitted through different communication modes to form frames of different types, which specifically includes: the method comprises the steps that a sender realizes unicast awakening message frames of a one-to-one communication mode of a receiver, so that one-to-one awakening of an access point to a station is realized; the multicast wake-up message frame of the communication mode of one-to-one group from the sender to the receiver is realized, so that the wake-up of the access point to a plurality of stations is realized; a pair of broadcast wakeup message frames of all communication modes from a sender to a receiver is realized, so that the wakeup of the access point to most stations is realized. In this manner, the access point may send a wake-up message frame to the station to wake up its primary communication interface in a number of ways.
In any of the above technical solutions, preferably, when the WUR message frame is a unicast wakeup message frame, a priority access level corresponding to access channel class information for competing for an access channel to transmit a downlink data frame is higher than a priority access level corresponding to access channel class information for competing for an access channel when the downlink data frame is not cached for the station; when the WUR message frame is a unicast wakeup message frame, the priority access level corresponding to the access channel class information for competing for the access channel to transmit the downlink data frame is lower than the priority access level corresponding to the access channel class information for competing for the access channel to transmit the downlink data frame when the WUR message frame is a multicast wakeup message frame; and when the WUR message frame is a multicast wakeup message frame, the priority access level corresponding to the access channel class information for competing for the access channel to transmit the downlink data frame is lower than the priority access level corresponding to the access channel class information for competing for the access channel to transmit the downlink data frame when the WUR message frame is a broadcast wakeup message frame.
In the technical scheme, when the access point caches the downlink data frames for the associated stations, in order to ensure that the access point efficiently transmits the WUR message frames to the stations according to the corresponding access channel class information, thereby improving the transmission efficiency of the downlink data frames, for the unicast wakeup message frames, the priority level corresponding to the access channel class information for competing to acquire the channel resource access channel is higher than the priority access level corresponding to the access channel class information adopted when the access point does not cache the downlink data frames for the stations and transmits the unicast wakeup message frames to the access point; further, considering that when the WUR message frame is a multicast wakeup message frame, a plurality of stations need to be awakened, and considering power saving requirements of the plurality of stations, a priority level corresponding to access channel class information of the multicast wakeup message frame for obtaining channel resource access channels in a competition mode should be higher than a priority access level corresponding to access channel class information adopted when the access point caches downlink data frames for the stations and sends unicast wakeup message frames to the access point; further, considering that when the WUR message frame is a broadcast wakeup message frame, most stations need to be woken up, and considering power saving requirements of most stations, a priority level corresponding to access channel class information of the broadcast wakeup message frame for competing for obtaining a channel resource access channel should be higher than a priority access level corresponding to access channel class information adopted when the access point caches downlink data frames for the stations and sends multicast wakeup message frames to the access point, where the broadcast wakeup message frame may be a WUR beacon frame.
According to a second aspect of the present invention, there is also provided a communication device of a wireless local area network for an access point, the communication device of the wireless local area network comprising: the generation module is used for generating a WUR message frame when the downlink data frame is cached for the associated station, and setting access channel type information of the WUR message frame, wherein the access channel type information is matched with the frame type of the WUR message frame; and the sending module is used for sending the WUR message frame to the station after the channel resource is obtained according to the priority access level competition corresponding to the access channel type information.
In the technical scheme, when the access point caches the downlink data frame for the station associated with the access point, a WUR message frame for waking up a main communication interface of the station can be generated, corresponding access channel class information (i.e., AC information) is set for the access point according to the frame type of the WUR message frame, so that channel resources are acquired in a competition mode according to the priority access level corresponding to the access channel class information, and the WUR message frame is sent to the station.
Specifically, the WUR message frame may be sent to the secondary communication interface of the station, so that the primary communication interface of the station is awakened to receive the downlink data frame cached by the access point for the station, that is, the primary communication interface of the station associated with the access point is always in a sleep state, and the secondary communication interface is in an awake or periodic awake state, and waits to receive the WUR message frame to awaken the primary communication interface.
Further, the priority access level corresponding to the access channel class information may be determined according to EDCA parameters corresponding to the access channel class information, and when the access point has cached the downlink data frame for the station, the priority access level corresponding to the access point may instruct the access point to access the channel with a higher priority level, and preferentially transmit the WUR message frame.
In the foregoing technical solution, preferably, the generating module includes: a determining submodule, configured to determine a service type of the downlink data frame; and the setting sub-module is used for setting the access channel class information of the WUR message frame matched with the frame type according to the service type determined by the determining sub-module.
In the technical scheme, in order to meet the requirements of IEEE 802.11ba, the device is more power-saving, and when the frame type of the WUR message frame is matched with corresponding access channel type information, the service type of the downlink data frame cached by the access point for the station can be further combined, and meanwhile, the transmission efficiency of the downlink data frame can be improved.
Wherein, the service types of the downlink data frame preferably include: ac_ BK (Background), ac_ BE (Best Effort), ac_vi (Video) and ac_vo (Voice), are respectively a background stream message, a best effort stream message, a Video stream message and an existing Voice stream message, and specifically, the service types of the four downlink data frames are transmitted and received by preempting a wireless channel in order from low to high.
In any of the foregoing solutions, preferably, the frame type of the WUR message frame includes: unicast wakeup message frames, multicast wakeup message frames, and broadcast wakeup message frames.
In this technical solution, WUR message frames are transmitted through different communication modes to form frames of different types, which specifically includes: the method comprises the steps that a sender realizes unicast awakening message frames of a one-to-one communication mode of a receiver, so that one-to-one awakening of an access point to a station is realized; the multicast wake-up message frame of the communication mode of one-to-one group from the sender to the receiver is realized, so that the wake-up of the access point to a plurality of stations is realized; a pair of broadcast wakeup message frames of all communication modes from a sender to a receiver is realized, so that the wakeup of the access point to most stations is realized. In this manner, the access point may send a wake-up message frame to the station to wake up its primary communication interface in a number of ways.
In any of the above technical solutions, preferably, when the WUR message frame is a unicast wakeup message frame, a priority access level corresponding to access channel class information for competing for an access channel to transmit a downlink data frame is higher than a priority access level corresponding to access channel class information for competing for an access channel when the downlink data frame is not cached for the station; when the WUR message frame is a unicast wakeup message frame, the priority access level corresponding to the access channel class information for competing for the access channel to transmit the downlink data frame is lower than the priority access level corresponding to the access channel class information for competing for the access channel to transmit the downlink data frame when the WUR message frame is a multicast wakeup message frame; and when the WUR message frame is a multicast wakeup message frame, the priority access level corresponding to the access channel class information for competing for the access channel to transmit the downlink data frame is lower than the priority access level corresponding to the access channel class information for competing for the access channel to transmit the downlink data frame when the WUR message frame is a broadcast wakeup message frame.
In the technical scheme, when the access point caches the downlink data frames for the associated stations, in order to ensure that the access point efficiently transmits the WUR message frames to the stations according to the corresponding access channel class information, thereby improving the transmission efficiency of the downlink data frames, for the unicast wakeup message frames, the priority level corresponding to the access channel class information for competing to acquire the channel resource access channel is higher than the priority access level corresponding to the access channel class information adopted when the access point does not cache the downlink data frames for the stations and transmits the unicast wakeup message frames to the access point; further, considering that when the WUR message frame is a multicast wakeup message frame, a plurality of stations need to be awakened, and considering power saving requirements of the plurality of stations, a priority level corresponding to access channel class information of the multicast wakeup message frame for obtaining channel resource access channels in a competition mode should be higher than a priority access level corresponding to access channel class information adopted when the access point caches downlink data frames for the stations and sends unicast wakeup message frames to the access point; further, considering that when the WUR message frame is a broadcast wakeup message frame, most stations need to be woken up, and considering power saving requirements of most stations, a priority level corresponding to access channel class information of the broadcast wakeup message frame for competing for obtaining a channel resource access channel should be higher than a priority access level corresponding to access channel class information adopted when the access point caches downlink data frames for the stations and sends multicast wakeup message frames to the access point, where the broadcast wakeup message frame may be a WUR beacon frame.
According to a third aspect of the present invention, there is also provided a communication method of a wireless local area network for a station, the communication method of the wireless local area network including: receiving a WUR message frame sent by an access point after caching downlink data frames for a station; and waking up a main communication interface of the station according to the WUR message frame to receive the downlink data frame, wherein the WUR message frame is sent after the access point competes for an access channel according to a priority access level corresponding to access channel information of the WUR message frame, and the access channel information of the WUR message frame is matched with a frame type of the access channel information and is set by the access point according to a service type of the downlink data frame.
In the technical scheme, after the station receives the WUR message frame which is sent by the access point associated with the station after caching the downlink data frame, the WUR message frame can be specifically received through the secondary communication interface of the station, and the primary communication interface of the station can be awakened according to the WUR message frame so as to receive the corresponding downlink data frame.
Further, in order to meet the requirements of IEEE 802.11ba, the device is more power-saving, and the access channel class information adopted by the WUR message frame during transmission and the corresponding priority access level thereof need to be matched with the service type of the downlink data frame sent by the access point to the main communication interface of the station through the WUR message frame wake-up station at present besides being matched with the frame type of the WUR message frame, so as to improve the transmission efficiency of the downlink data frame.
The priority access level corresponding to the access channel class information may be determined according to EDCA parameters corresponding to the access channel class information, and when the access point has cached a downlink data frame for a station, the priority access level corresponding to the access point may instruct the access point to access to a channel with a higher priority level, and preferentially transmit WUR message frames.
Further, the service type of the downlink data frame preferably includes: ac_ BK (Background), ac_ BE (Best Effort), ac_vi (Video) and ac_vo (Voice), are respectively a background stream message, a best effort stream message, a Video stream message and an existing Voice stream message, and specifically, the service types of the four downlink data frames are transmitted and received by preempting a wireless channel in order from low to high.
Further, it is further preferred that the frame type of the WUR message frame includes: unicast wakeup message frames, multicast wakeup message frames, and broadcast wakeup message frames.
Further preferably, when the WUR message frame is a unicast wakeup message frame, a priority access level corresponding to access channel class information for competing for an access channel to transmit a downlink data frame is higher than a priority access level corresponding to access channel class information for competing for an access channel when the downlink data frame is not cached for the station; when the WUR message frame is a unicast wakeup message frame, the priority access level corresponding to the access channel class information for competing for the access channel to transmit the downlink data frame is lower than the priority access level corresponding to the access channel class information for competing for the access channel to transmit the downlink data frame when the WUR message frame is a multicast wakeup message frame; and when the WUR message frame is a multicast wakeup message frame, the priority access level corresponding to the access channel class information for competing for the access channel to transmit the downlink data frame is lower than the priority access level corresponding to the access channel class information for competing for the access channel to transmit the downlink data frame when the WUR message frame is a broadcast wakeup message frame.
According to a fourth aspect of the present invention, there is also provided a communication apparatus of a wireless local area network for a station, the communication apparatus of the wireless local area network comprising: the receiving module is used for receiving the WUR message frame sent by the access point after the downlink data frame is cached for the station; and the wake-up module is used for waking up the main communication interface of the station according to the WUR message frame received by the receiving module so as to receive the downlink data frame, wherein the WUR message frame is sent after the access point competes for an access channel according to a priority access level corresponding to the access channel class information of the WUR message frame, and the access channel class information of the WUR message frame is matched with the frame type and is set by the access point according to the service type of the downlink data frame.
In the technical scheme, after the station receives the WUR message frame which is sent by the access point associated with the station after caching the downlink data frame, the WUR message frame can be specifically received through the secondary communication interface of the station, and the primary communication interface of the station can be awakened according to the WUR message frame so as to receive the corresponding downlink data frame.
Further, in order to meet the requirements of IEEE 802.11ba, the device is more power-saving, and the access channel class information adopted by the WUR message frame during transmission and the corresponding priority access level thereof need to be matched with the service type of the downlink data frame sent by the access point to the main communication interface of the station through the WUR message frame wake-up station at present besides being matched with the frame type of the WUR message frame, so as to improve the transmission efficiency of the downlink data frame.
The priority access level corresponding to the access channel class information may be determined according to EDCA parameters corresponding to the access channel class information, and when the access point has cached a downlink data frame for a station, the priority access level corresponding to the access point may instruct the access point to access to a channel with a higher priority level, and preferentially transmit WUR message frames.
Further, the service type of the downlink data frame preferably includes: ac_ BK (Background), ac_ BE (Best Effort), ac_vi (Video) and ac_vo (Voice), are respectively a background stream message, a best effort stream message, a Video stream message and an existing Voice stream message, and specifically, the service types of the four downlink data frames are transmitted and received by preempting a wireless channel in order from low to high.
Further preferably, the frame type of the WUR message frame includes: unicast wakeup message frames, multicast wakeup message frames, and broadcast wakeup message frames.
Further preferably, when the WUR message frame is a unicast wakeup message frame, a priority access level corresponding to access channel class information for competing for an access channel to transmit a downlink data frame is higher than a priority access level corresponding to access channel class information for competing for an access channel when the downlink data frame is not cached for the station; when the WUR message frame is a unicast wakeup message frame, the priority access level corresponding to the access channel class information for competing for the access channel to transmit the downlink data frame is lower than the priority access level corresponding to the access channel class information for competing for the access channel to transmit the downlink data frame when the WUR message frame is a multicast wakeup message frame; and when the WUR message frame is a multicast wakeup message frame, the priority access level corresponding to the access channel class information for competing for the access channel to transmit the downlink data frame is lower than the priority access level corresponding to the access channel class information for competing for the access channel to transmit the downlink data frame when the WUR message frame is a broadcast wakeup message frame.
According to a fifth aspect of the present invention, there is also provided a communication device comprising: a communication device of a wireless local area network as described in the second aspect; and/or a communication device of a wireless local area network as described in the fourth aspect.
Through the technical scheme of the invention, when the access point caches the downlink data frames for the associated stations, the corresponding access channel type information is selected according to the frame type of the WUR message frame, so that the WUR message frame is transmitted to the stations according to the priority access channel corresponding to the access channel type information, the power consumption of the equipment is reduced, the equipment is more power-saving, and the requirements of IEEE 802.11ba are met.
Drawings
Fig. 1 is a flow chart of a communication method for a wireless lan of an access point according to an embodiment of the invention;
FIG. 2 is a flow chart of a method of generating a WUR message frame according to an embodiment of the present invention;
fig. 3 shows a schematic block diagram of a communication device for a wireless local area network of an access point according to an embodiment of the invention;
FIG. 4 shows a schematic block diagram of the generation module described in FIG. 3;
fig. 5 is a flow chart of a communication method of a wireless lan for a station according to an embodiment of the present invention;
fig. 6 shows a schematic block diagram of a communication device for a wireless local area network of a station according to an embodiment of the invention.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
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 described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
Fig. 1 shows a flow chart of a communication method for a wireless local area network of an access point according to an embodiment of the present invention.
As shown in fig. 1, the communication method for a wireless local area network of an access point according to an embodiment of the present invention specifically includes the following flow steps:
step 102, when a downlink data frame is cached for an associated station, generating a WUR message frame, and setting access channel class information of the WUR message frame, wherein the access channel class information is matched with a frame type of the WUR message frame.
And 104, after channel resources are obtained according to the priority access level competition corresponding to the access channel type information, the WUR message frame is sent to the station.
In this embodiment, when the access point caches the downlink data frame for the station associated with the access point, a WUR message frame for waking up the main communication interface of the station may be generated, and corresponding access channel class information (i.e., AC information) is set for the access point according to the frame type of the WUR message frame, so that channel resources are acquired in a contention manner according to the priority access level corresponding to the access channel class information, so as to send the WUR message frame to the station, so that the power consumption of the device can be effectively reduced, and the device is more power-saving, thereby meeting the requirements of IEEE 802.11ba by transmitting the WUR message frame to the station through the access channel class information matched with the frame type of the WUR message frame.
Specifically, the WUR message frame may be sent to the secondary communication interface of the station, so that the primary communication interface of the station is awakened to receive the downlink data frame cached by the access point for the station, that is, the primary communication interface of the station associated with the access point is always in a sleep state, and the secondary communication interface is in an awake or periodic awake state, and waits to receive the WUR message frame to awaken the primary communication interface.
Further, the priority access level corresponding to the access channel class information may be determined according to EDCA parameters corresponding to the access channel class information, and when the access point has cached the downlink data frame for the station, the priority access level corresponding to the access point may instruct the access point to access the channel with a higher priority level, and preferentially transmit the WUR message frame.
Further, for step 102 in the above embodiment, the step of generating the WUR message frame may be specifically performed as a flowchart step as shown in fig. 2, including:
step 1022, determining the service type of the downlink data frame.
Step 1024, setting the access channel class information of the WUR message frame matching the frame type according to the service type.
In this embodiment, in order to meet the requirements of IEEE 802.11ba, so that the device is more power-saving, when the frame type of the WUR message frame matches with corresponding access channel class information, the service type of the downlink data frame that the access point has cached for the station can be further combined, and meanwhile, the transmission efficiency of the downlink data frame can be improved.
Wherein, the service types of the downlink data frame preferably include: ac_ BK (Background), ac_ BE (Best Effort), ac_vi (Video) and ac_vo (Voice), are respectively a background stream message, a best effort stream message, a Video stream message and an existing Voice stream message, and specifically, the service types of the four downlink data frames are transmitted and received by preempting a wireless channel in order from low to high.
Further, in any of the foregoing embodiments, the frame type of the WUR message frame includes: unicast wakeup message frames, multicast wakeup message frames, and broadcast wakeup message frames.
In this embodiment, WUR message frames are transmitted through different communication modes to form different types of frames, specifically including: the method comprises the steps that a sender realizes unicast awakening message frames of a one-to-one communication mode of a receiver, so that one-to-one awakening of an access point to a station is realized; the multicast wake-up message frame of the communication mode of one-to-one group from the sender to the receiver is realized, so that the wake-up of the access point to a plurality of stations is realized; a pair of broadcast wakeup message frames of all communication modes from a sender to a receiver is realized, so that the wakeup of the access point to most stations is realized. In this manner, the access point may send a wake-up message frame to the station to wake up its primary communication interface in a number of ways.
Further, in any of the above embodiments, when the WUR message frame is a unicast wakeup message frame, a priority access level corresponding to access channel class information for competing for an access channel to transmit a downlink data frame is higher than a priority access level corresponding to access channel class information for competing for an access channel when the downlink data frame is not cached for the station; when the WUR message frame is a unicast wakeup message frame, the priority access level corresponding to the access channel class information for competing for the access channel to transmit the downlink data frame is lower than the priority access level corresponding to the access channel class information for competing for the access channel to transmit the downlink data frame when the WUR message frame is a multicast wakeup message frame; and when the WUR message frame is a multicast wakeup message frame, the priority access level corresponding to the access channel class information for competing for the access channel to transmit the downlink data frame is lower than the priority access level corresponding to the access channel class information for competing for the access channel to transmit the downlink data frame when the WUR message frame is a broadcast wakeup message frame.
In this embodiment, when the access point has cached a downlink data frame for an associated station, in order to ensure that the access point efficiently transmits WUR message frames to the station according to corresponding access channel class information, thereby improving transmission efficiency of the downlink data frame, for a unicast wakeup message frame, a priority level corresponding to access channel class information (such as ac_be selected) for competing for obtaining a channel resource access channel should BE higher than a priority access level corresponding to access channel class information (such as ac_bk selected) employed when the access point does not cache a downlink data frame for the station and transmits the unicast wakeup message frame thereto; further, considering that when the WUR message frame is a multicast wakeup message frame, a plurality of stations need to be awakened, and considering power saving requirements of the plurality of stations, a priority level corresponding to access channel class information (for example, ac_vi is selected) for contention obtaining a channel resource access channel of the multicast wakeup message frame should be higher than a priority access level corresponding to access channel class information adopted when the access point caches downlink data frames for the stations and sends unicast wakeup message frames to the access point; further, considering that most stations need to be awakened when the WUR message frame is a broadcast wakeup message frame, the priority level corresponding to the access channel class information (such as ac_vo) for competing for obtaining the channel resource access channel should be higher than the priority access level corresponding to the access channel class information used when the access point caches the downlink data frame for the stations and sends the multicast wakeup message frame to the stations, where the broadcast wakeup message frame may be a WUR beacon frame.
The communication method shown in fig. 1 and fig. 2 may be implemented by an access point device in a network formed by an access point and a station, such as a router, a server with a Wi-Fi interface, or a smart phone.
Fig. 3 shows a schematic block diagram of a communication device for a wireless local area network of an access point according to an embodiment of the invention.
As shown in fig. 3, a communication device 30 for a wireless local area network of an access point according to an embodiment of the present invention includes: a generation module 302 and a transmission module 304.
The generating module 302 is configured to generate a WUR message frame when a downlink data frame is cached for an associated station, and set access channel class information of the WUR message frame, where the access channel class information is matched with a frame type of the WUR message frame; the sending module 304 is configured to send the WUR message frame to the station after obtaining channel resources according to the priority access level contention corresponding to the access channel class information.
In this embodiment, when the access point caches the downlink data frame for the station associated with the access point, a WUR message frame for waking up the main communication interface of the station may be generated, and corresponding access channel class information (i.e., AC information) is set for the access point according to the frame type of the WUR message frame, so that channel resources are acquired in a contention manner according to the priority access level corresponding to the access channel class information, so as to send the WUR message frame to the station, so that the power consumption of the device can be effectively reduced, and the device is more power-saving, thereby meeting the requirements of IEEE 802.11ba by transmitting the WUR message frame to the station through the access channel class information matched with the frame type of the WUR message frame.
Specifically, the WUR message frame may be sent to the secondary communication interface of the station, so that the primary communication interface of the station is awakened to receive the downlink data frame cached by the access point for the station, that is, the primary communication interface of the station associated with the access point is always in a sleep state, and the secondary communication interface is in an awake or periodic awake state, and waits to receive the WUR message frame to awaken the primary communication interface.
Further, the priority access level corresponding to the access channel class information may be determined according to EDCA parameters corresponding to the access channel class information, and when the access point has cached the downlink data frame for the station, the priority access level corresponding to the access point may instruct the access point to access the channel with a higher priority level, and preferentially transmit the WUR message frame.
Further, in the above embodiment, as shown in fig. 4, the generating module 302 includes: a determination submodule 3022 and a setting submodule 3024.
Wherein the determining submodule 3022 is configured to determine a service type of the downlink data frame; the setting submodule 3024 is configured to set the access channel class information of the WUR message frame, which matches the frame type thereof, according to the service type determined by the determining submodule 3022.
In this embodiment, in order to meet the requirements of IEEE 802.11ba, so that the device is more power-saving, when the frame type of the WUR message frame matches with corresponding access channel class information, the service type of the downlink data frame that the access point has cached for the station can be further combined, and meanwhile, the transmission efficiency of the downlink data frame can be improved.
Wherein, the service types of the downlink data frame preferably include: ac_ BK (Background), ac_ BE (Best Effort), ac_vi (Video) and ac_vo (Voice), are respectively a background stream message, a best effort stream message, a Video stream message and an existing Voice stream message, and specifically, the service types of the four downlink data frames are transmitted and received by preempting a wireless channel in order from low to high.
Further, in any of the foregoing embodiments, the frame type of the WUR message frame includes: unicast wakeup message frames, multicast wakeup message frames, and broadcast wakeup message frames.
In this embodiment, WUR message frames are transmitted through different communication modes to form different types of frames, specifically including: the method comprises the steps that a sender realizes unicast awakening message frames of a one-to-one communication mode of a receiver, so that one-to-one awakening of an access point to a station is realized; the multicast wake-up message frame of the communication mode of one-to-one group from the sender to the receiver is realized, so that the wake-up of the access point to a plurality of stations is realized; a pair of broadcast wakeup message frames of all communication modes from a sender to a receiver is realized, so that the wakeup of the access point to most stations is realized. In this manner, the access point may send a wake-up message frame to the station to wake up its primary communication interface in a number of ways.
Further, in any of the above embodiments, when the WUR message frame is a unicast wakeup message frame, a priority access level corresponding to access channel class information for competing for an access channel to transmit a downlink data frame is higher than a priority access level corresponding to access channel class information for competing for an access channel when the downlink data frame is not cached for the station; when the WUR message frame is a unicast wakeup message frame, the priority access level corresponding to the access channel class information for competing for the access channel to transmit the downlink data frame is lower than the priority access level corresponding to the access channel class information for competing for the access channel to transmit the downlink data frame when the WUR message frame is a multicast wakeup message frame; and when the WUR message frame is a multicast wakeup message frame, the priority access level corresponding to the access channel class information for competing for the access channel to transmit the downlink data frame is lower than the priority access level corresponding to the access channel class information for competing for the access channel to transmit the downlink data frame when the WUR message frame is a broadcast wakeup message frame.
In this embodiment, when the access point has cached a downlink data frame for an associated station, in order to ensure that the access point efficiently transmits WUR message frames to the station according to corresponding access channel class information, thereby improving transmission efficiency of the downlink data frame, for a unicast wakeup message frame, a priority level corresponding to access channel class information (such as ac_be selected) for competing for obtaining a channel resource access channel should BE higher than a priority access level corresponding to access channel class information (such as ac_bk selected) employed when the access point does not cache a downlink data frame for the station and transmits the unicast wakeup message frame thereto; further, considering that when the WUR message frame is a multicast wakeup message frame, a plurality of stations need to be awakened, and considering power saving requirements of the plurality of stations, a priority level corresponding to access channel class information (for example, ac_vi is selected) for contention obtaining a channel resource access channel of the multicast wakeup message frame should be higher than a priority access level corresponding to access channel class information adopted when the access point caches downlink data frames for the stations and sends unicast wakeup message frames to the access point; further, considering that most stations need to be awakened when the WUR message frame is a broadcast wakeup message frame, the priority level corresponding to the access channel class information (such as ac_vo) for competing for obtaining the channel resource access channel should be higher than the priority access level corresponding to the access channel class information used when the access point caches the downlink data frame for the stations and sends the multicast wakeup message frame to the stations, where the broadcast wakeup message frame may be a WUR beacon frame.
In particular implementations, the generation module 302 may be a central processor or baseband processor, etc.; the transmission module 304 may be a transmitter or an antenna, etc.
Fig. 5 shows a flow chart of a communication method of a wireless local area network for a station according to an embodiment of the present invention.
As shown in fig. 5, the communication method for a wireless local area network of a station according to an embodiment of the present invention specifically includes the following steps:
step 502, receiving WUR message frames sent by an access point after buffering downlink data frames for a station.
Step 504, waking up the main communication interface of the station according to the WUR message frame to receive the downlink data frame.
The WUR message frame is sent after the access point contends for an access channel according to a priority access level corresponding to access class channel information of the WUR message frame, and the access channel class information of the WUR message frame is matched with a frame type thereof and is set by the access point according to a service type of the downlink data frame.
In this embodiment, after the station receives the WUR message frame that has been sent by the access point associated with the station after buffering the downlink data frame for the station, specifically, the WUR message frame may be received through the secondary communication interface of the station, and the primary communication interface may be awakened according to the WUR message frame to receive the corresponding downlink data frame, because the access point contends to obtain the channel resource access channel according to the priority access level corresponding to the access class channel information matched to the WUR message frame according to the frame type when transmitting the WUR message frame, and then sends the channel resource access channel, so, by awakening the primary communication interface to receive the downlink data frame according to the WUR message frame transmitted according to the priority access level corresponding to the access channel class information matched to the frame type of the WUR message frame, the power consumption of the device may be effectively reduced, so that the device is more power-saving, and thus meeting the requirements of ieee802.11 ba.
Further, in order to meet the requirements of IEEE 802.11ba, the device is more power-saving, and the access channel class information adopted by the WUR message frame during transmission and the corresponding priority access level thereof need to be matched with the service type of the downlink data frame sent by the access point to the main communication interface of the station through the WUR message frame wake-up station at present besides being matched with the frame type of the WUR message frame, so as to improve the transmission efficiency of the downlink data frame.
The priority access level corresponding to the access channel class information may be determined according to EDCA parameters corresponding to the access channel class information, and when the access point has cached a downlink data frame for a station, the priority access level corresponding to the access point may instruct the access point to access to a channel with a higher priority level, and preferentially transmit WUR message frames.
Further, the service type of the downlink data frame preferably includes: ac_ BK (Background), ac_ BE (Best Effort), ac_vi (Video) and ac_vo (Voice), are respectively a background stream message, a best effort stream message, a Video stream message and an existing Voice stream message, and specifically, the service types of the four downlink data frames are transmitted and received by preempting a wireless channel in order from low to high.
Further, in the above embodiment, the frame types of the WUR message frame include: unicast wakeup message frames, multicast wakeup message frames, and broadcast wakeup message frames.
In this embodiment, WUR message frames are transmitted through different communication modes to form different types of frames, specifically including: the method comprises the steps that a sender realizes unicast awakening message frames of a one-to-one communication mode of a receiver, so that one-to-one awakening of an access point to a station is realized; the multicast wake-up message frame of the communication mode of one-to-one group from the sender to the receiver is realized, so that the wake-up of the access point to a plurality of stations is realized; a pair of broadcast wakeup message frames of all communication modes from a sender to a receiver is realized, so that the wakeup of the access point to most stations is realized. In this manner, the station may be caused to receive the wake-up message frame in a number of ways to wake up its primary communication interface.
Further, in any of the above embodiments, when the WUR message frame is a unicast wakeup message frame, a priority access level corresponding to access channel class information for competing for an access channel to transmit a downlink data frame is higher than a priority access level corresponding to access channel class information for competing for an access channel when the downlink data frame is not cached for the station; when the WUR message frame is a unicast wakeup message frame, the priority access level corresponding to the access channel class information for competing for the access channel to transmit the downlink data frame is lower than the priority access level corresponding to the access channel class information for competing for the access channel to transmit the downlink data frame when the WUR message frame is a multicast wakeup message frame; and when the WUR message frame is a multicast wakeup message frame, the priority access level corresponding to the access channel class information for competing for the access channel to transmit the downlink data frame is lower than the priority access level corresponding to the access channel class information for competing for the access channel to transmit the downlink data frame when the WUR message frame is a broadcast wakeup message frame.
In this embodiment, when the access point has cached a downlink data frame for an associated station, in order to ensure that the access point efficiently transmits WUR message frames to the station according to corresponding access channel class information, thereby improving transmission efficiency of the downlink data frame, for a unicast wakeup message frame, a priority level corresponding to access channel class information (such as ac_be selected) for competing for obtaining a channel resource access channel should BE higher than a priority access level corresponding to access channel class information (such as ac_bk selected) employed when the access point does not cache a downlink data frame for the station and transmits the unicast wakeup message frame thereto; further, considering that when the WUR message frame is a multicast wakeup message frame, a plurality of stations need to be awakened, and considering power saving requirements of the plurality of stations, a priority level corresponding to access channel class information (for example, ac_vi is selected) for contention obtaining a channel resource access channel of the multicast wakeup message frame should be higher than a priority access level corresponding to access channel class information adopted when the access point caches downlink data frames for the stations and sends unicast wakeup message frames to the access point; further, considering that most stations need to be awakened when the WUR message frame is a broadcast wakeup message frame, the priority level corresponding to the access channel class information (such as ac_vo) for competing for obtaining the channel resource access channel should be higher than the priority access level corresponding to the access channel class information used when the access point caches the downlink data frame for the stations and sends the multicast wakeup message frame to the stations, where the broadcast wakeup message frame may be a WUR beacon frame.
The communication method shown in fig. 5 may be implemented by a site device in a network formed by an access point and a site, such as a smart phone or a PDA (Personal Digital Assistant, palm computer).
The interface of the station device receiving the wake-up message frame is a secondary communication interface, and the purpose of receiving the wake-up message frame is to wake up the primary communication interface of the station device, so as to perform communication to obtain a downlink data frame buffered by the access point device for the station device, specifically, the primary communication interface and the secondary communication interface may be antennas, which may be physically separated or logically separated.
Fig. 6 shows a schematic block diagram of a communication device for a wireless local area network of a station according to an embodiment of the invention.
As shown in fig. 6, a communication apparatus 60 for a wireless local area network of a station according to an embodiment of the present invention includes: a receiving module 602 and a wake-up module 604.
The receiving module 602 is configured to receive a WUR message frame sent by an access point after buffering a downlink data frame for a station; the wake-up module 604 is configured to wake up the main communication interface of the station according to the WUR message frame received by the receive module 602 to receive the downlink data frame, where the WUR message frame is sent after the access point contends for an access channel according to a priority access level corresponding to access channel class information of the WUR message frame, and the access channel class information of the WUR message frame is matched with a frame type thereof and is set by the access point according to a service type of the downlink data frame.
In this embodiment, after the station receives the WUR message frame that has been sent by the access point associated with the station after buffering the downlink data frame for the station, specifically, the WUR message frame may be received through the secondary communication interface of the station, and the primary communication interface may be awakened according to the WUR message frame to receive the corresponding downlink data frame, because the access point contends to obtain the channel resource access channel according to the priority access level corresponding to the access class channel information matched to the WUR message frame according to the frame type when transmitting the WUR message frame, and then sends the channel resource access channel, so, by awakening the primary communication interface to receive the downlink data frame according to the WUR message frame transmitted according to the priority access level corresponding to the access channel class information matched to the frame type of the WUR message frame, the power consumption of the device may be effectively reduced, so that the device is more power-saving, and thus meeting the requirements of ieee802.11 ba.
Further, in order to meet the requirements of IEEE802.11ba, the device is more power-saving, and the access channel class information adopted by the WUR message frame during transmission and the corresponding priority access level thereof need to be matched with the service type of the downlink data frame sent by the access point to the main communication interface of the station through the WUR message frame wake-up station at present besides being matched with the frame type of the WUR message frame, so as to improve the transmission efficiency of the downlink data frame.
The priority access level corresponding to the access channel class information may be determined according to EDCA parameters corresponding to the access channel class information, and when the access point has cached a downlink data frame for a station, the priority access level corresponding to the access point may instruct the access point to access to a channel with a higher priority level, and preferentially transmit WUR message frames.
Further, the service type of the downlink data frame preferably includes: ac_ BK (Background), ac_ BE (Best Effort), ac_vi (Video) and ac_vo (Voice), are respectively a background stream message, a best effort stream message, a Video stream message and an existing Voice stream message, and specifically, the service types of the four downlink data frames are transmitted and received by preempting a wireless channel in order from low to high.
Further, in the above embodiment, the frame types of the WUR message frame include: unicast wakeup message frames, multicast wakeup message frames, and broadcast wakeup message frames.
In this embodiment, WUR message frames are transmitted through different communication modes to form different types of frames, specifically including: the method comprises the steps that a sender realizes unicast awakening message frames of a one-to-one communication mode of a receiver, so that one-to-one awakening of an access point to a station is realized; the multicast wake-up message frame of the communication mode of one-to-one group from the sender to the receiver is realized, so that the wake-up of the access point to a plurality of stations is realized; a pair of broadcast wakeup message frames of all communication modes from a sender to a receiver is realized, so that the wakeup of the access point to most stations is realized. In this manner, the station may be caused to receive the wake-up message frame in a number of ways to wake up its primary communication interface.
Further, in any of the above embodiments, when the WUR message frame is a unicast wakeup message frame, a priority access level corresponding to access channel class information for competing for an access channel to transmit a downlink data frame is higher than a priority access level corresponding to access channel class information for competing for an access channel when the downlink data frame is not cached for the station; when the WUR message frame is a unicast wakeup message frame, the priority access level corresponding to the access channel class information for competing for the access channel to transmit the downlink data frame is lower than the priority access level corresponding to the access channel class information for competing for the access channel to transmit the downlink data frame when the WUR message frame is a multicast wakeup message frame; and when the WUR message frame is a multicast wakeup message frame, the priority access level corresponding to the access channel class information for competing for the access channel to transmit the downlink data frame is lower than the priority access level corresponding to the access channel class information for competing for the access channel to transmit the downlink data frame when the WUR message frame is a broadcast wakeup message frame.
In this embodiment, when the access point has cached a downlink data frame for an associated station, in order to ensure that the access point efficiently transmits WUR message frames to the station according to corresponding access channel class information, thereby improving transmission efficiency of the downlink data frame, for a unicast wakeup message frame, a priority level corresponding to access channel class information (such as ac_be selected) for competing for obtaining a channel resource access channel should BE higher than a priority access level corresponding to access channel class information (such as ac_bk selected) employed when the access point does not cache a downlink data frame for the station and transmits the unicast wakeup message frame thereto; further, considering that when the WUR message frame is a multicast wakeup message frame, a plurality of stations need to be awakened, and considering power saving requirements of the plurality of stations, a priority level corresponding to access channel class information (for example, ac_vi is selected) for contention obtaining a channel resource access channel of the multicast wakeup message frame should be higher than a priority access level corresponding to access channel class information adopted when the access point caches downlink data frames for the stations and sends unicast wakeup message frames to the access point; further, considering that most stations need to be awakened when the WUR message frame is a broadcast wakeup message frame, the priority level corresponding to the access channel class information (such as ac_vo) for competing for obtaining the channel resource access channel should be higher than the priority access level corresponding to the access channel class information used when the access point caches the downlink data frame for the stations and sends the multicast wakeup message frame to the stations, where the broadcast wakeup message frame may be a WUR beacon frame.
In particular implementations, the receiving module 602 may be a receiver or antenna, etc.; the wake-up module 604 may be a central processor or a baseband processor, etc.
There is also provided, in accordance with an embodiment of the present invention, a communication device including: a communication device 30 of a wireless local area network as shown in fig. 3; and/or a communication device 60 of a wireless local area network as shown in fig. 6.
The technical scheme of the invention is described in detail above with reference to the accompanying drawings, through the technical scheme of the invention, when the access point caches the downlink data frame for the associated station, the corresponding access channel type information is selected according to the frame type of the WUR message frame, so that the WUR message frame is transmitted to the station according to the access channel of the priority level corresponding to the access channel type information, the power consumption of the equipment is reduced, the equipment saves more power, and the requirement of IEEE 802.11ba is met.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. A communication method of a wireless local area network, for an access point, the communication method of the wireless local area network comprising:
generating a WUR message frame when a downlink data frame is cached for an associated station, and setting access channel class information of the WUR message frame, wherein the access channel class information is matched with the frame type of the WUR message frame;
after channel resources are obtained according to the priority access level competition corresponding to the access channel type information, the WUR message frame is sent to a secondary communication interface of the station so as to wake up a primary communication interface of the station to receive the downlink data frame;
the step of generating WUR message frames further includes:
determining the service type of the downlink data frame;
setting the access channel class information of the WUR message frame matched with the frame type according to the service type;
the frame types of the WUR message frame include: unicast wakeup message frames, multicast wakeup message frames, and broadcast wakeup message frames;
when the WUR message frame is a unicast wakeup message frame, a priority access level corresponding to access channel class information for competing for access channels to transmit downlink data frames is higher than a priority access level corresponding to access channel class information for competing for access channels when the downlink data frames are not cached for the station;
When the WUR message frame is a unicast wakeup message frame, the priority access level corresponding to the access channel class information for competing for the access channel to transmit the downlink data frame is lower than the priority access level corresponding to the access channel class information for competing for the access channel to transmit the downlink data frame when the WUR message frame is a multicast wakeup message frame; and
when the WUR message frame is a multicast wakeup message frame, a priority access level corresponding to access channel class information for competing for an access channel to transmit a downlink data frame is lower than a priority access level corresponding to access channel class information for competing for an access channel to transmit a downlink data frame when the WUR message frame is a broadcast wakeup message frame.
2. A communication method of a wireless local area network, for a station, the communication method of the wireless local area network comprising:
receiving a WUR message frame sent by an access point after caching downlink data frames for a station;
waking up a primary communication interface of the station based on the WUR message frame, to receive the downstream data frame,
the WUR message frame is sent after the access point contends for an access channel according to a priority access level corresponding to access channel class information of the WUR message frame, and the access channel class information of the WUR message frame is matched with a frame type thereof and is set by the access point according to a service type of the downlink data frame;
The frame types of the WUR message frame include: unicast wakeup message frames, multicast wakeup message frames, and broadcast wakeup message frames;
when the WUR message frame is a unicast wakeup message frame, a priority access level corresponding to access channel class information for competing for access channels to transmit downlink data frames is higher than a priority access level corresponding to access channel class information for competing for access channels when the downlink data frames are not cached for the station;
when the WUR message frame is a unicast wakeup message frame, the priority access level corresponding to the access channel class information for competing for the access channel to transmit the downlink data frame is lower than the priority access level corresponding to the access channel class information for competing for the access channel to transmit the downlink data frame when the WUR message frame is a multicast wakeup message frame; and
when the WUR message frame is a multicast wakeup message frame, a priority access level corresponding to access channel class information for competing for an access channel to transmit a downlink data frame is lower than a priority access level corresponding to access channel class information for competing for an access channel to transmit a downlink data frame when the WUR message frame is a broadcast wakeup message frame.
3. A communication device of a wireless local area network for an access point, the communication device of the wireless local area network comprising:
The generation module is used for generating a WUR message frame when the downlink data frame is cached for the associated station, and setting access channel type information of the WUR message frame, wherein the access channel type information is matched with the frame type of the WUR message frame;
a sending module, configured to send the WUR message frame to the station after obtaining channel resources according to the priority access level contention corresponding to the access channel class information;
the generation module comprises:
a determining submodule, configured to determine a service type of the downlink data frame;
a setting sub-module, configured to set the access channel class information of the WUR message frame that matches the frame type according to the service type determined by the determining sub-module;
the frame types of the WUR message frame include: unicast wakeup message frames, multicast wakeup message frames, and broadcast wakeup message frames;
when the WUR message frame is a unicast wakeup message frame, a priority access level corresponding to access channel class information for competing for access channels to transmit downlink data frames is higher than a priority access level corresponding to access channel class information for competing for access channels when the downlink data frames are not cached for the station;
When the WUR message frame is a unicast wakeup message frame, the priority access level corresponding to the access channel class information for competing for the access channel to transmit the downlink data frame is lower than the priority access level corresponding to the access channel class information for competing for the access channel to transmit the downlink data frame when the WUR message frame is a multicast wakeup message frame; and
when the WUR message frame is a multicast wakeup message frame, a priority access level corresponding to access channel class information for competing for an access channel to transmit a downlink data frame is lower than a priority access level corresponding to access channel class information for competing for an access channel to transmit a downlink data frame when the WUR message frame is a broadcast wakeup message frame.
4. A communication device of a wireless local area network for a station, the communication device of the wireless local area network comprising:
the receiving module is used for receiving the WUR message frame sent by the access point after the downlink data frame is cached for the station;
a wake-up module, configured to wake up a main communication interface of the station according to the WUR message frame received by the receiving module, so as to receive the downlink data frame,
the WUR message frame is sent after the access point contends for an access channel according to a priority access level corresponding to access channel class information of the WUR message frame, and the access channel class information of the WUR message frame is matched with a frame type thereof and is set by the access point according to a service type of the downlink data frame;
The frame types of the WUR message frame include: unicast wakeup message frames, multicast wakeup message frames, and broadcast wakeup message frames;
when the WUR message frame is a unicast wakeup message frame, a priority access level corresponding to access channel class information for competing for access channels to transmit downlink data frames is higher than a priority access level corresponding to access channel class information for competing for access channels when the downlink data frames are not cached for the station;
when the WUR message frame is a unicast wakeup message frame, the priority access level corresponding to the access channel class information for competing for the access channel to transmit the downlink data frame is lower than the priority access level corresponding to the access channel class information for competing for the access channel to transmit the downlink data frame when the WUR message frame is a multicast wakeup message frame; and
when the WUR message frame is a multicast wakeup message frame, a priority access level corresponding to access channel class information for competing for an access channel to transmit a downlink data frame is lower than a priority access level corresponding to access channel class information for competing for an access channel to transmit a downlink data frame when the WUR message frame is a broadcast wakeup message frame.
5. A communication device, comprising:
A communication device of a wireless local area network as claimed in claim 3 or 4.
CN201710505718.XA 2017-06-28 2017-06-28 Communication method, communication device and communication equipment of wireless local area network Active CN109151956B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710505718.XA CN109151956B (en) 2017-06-28 2017-06-28 Communication method, communication device and communication equipment of wireless local area network

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710505718.XA CN109151956B (en) 2017-06-28 2017-06-28 Communication method, communication device and communication equipment of wireless local area network

Publications (2)

Publication Number Publication Date
CN109151956A CN109151956A (en) 2019-01-04
CN109151956B true CN109151956B (en) 2023-05-12

Family

ID=64805417

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710505718.XA Active CN109151956B (en) 2017-06-28 2017-06-28 Communication method, communication device and communication equipment of wireless local area network

Country Status (1)

Country Link
CN (1) CN109151956B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4057704A4 (en) * 2019-11-08 2023-08-09 Beijing Xiaomi Mobile Software Co., Ltd. Indication method, receiving method, apparatus, communication device and storage medium
CN117044168A (en) * 2021-07-21 2023-11-10 Oppo广东移动通信有限公司 Wireless communication method, station equipment and access point equipment

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013139182A1 (en) * 2012-03-19 2013-09-26 中兴通讯股份有限公司 Sleeping method and apparatus
WO2013143365A1 (en) * 2012-03-31 2013-10-03 中兴通讯股份有限公司 Wireless frame sending method and device
CN105407531A (en) * 2015-12-28 2016-03-16 魅族科技（中国）有限公司 Communication method and communication device in wireless local area network, access point and site

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9185726B2 (en) * 2012-01-09 2015-11-10 Qualcomm Incorporated System and method of communication using distributed channel access parameters
EP3190831B1 (en) * 2012-05-03 2018-11-28 Interdigital Patent Holdings, Inc. Enhanced active scanning in wireless local area networks
WO2014185675A1 (en) * 2013-05-13 2014-11-20 엘지전자 주식회사 Channel access method and apparatus therefor
CN106332187B (en) * 2015-06-30 2019-10-22 华为技术有限公司 Qos parameter configuration method, apparatus and system in a kind of WLAN

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013139182A1 (en) * 2012-03-19 2013-09-26 中兴通讯股份有限公司 Sleeping method and apparatus
WO2013143365A1 (en) * 2012-03-31 2013-10-03 中兴通讯股份有限公司 Wireless frame sending method and device
CN105407531A (en) * 2015-12-28 2016-03-16 魅族科技（中国）有限公司 Communication method and communication device in wireless local area network, access point and site

Also Published As

Publication number Publication date
CN109151956A (en) 2019-01-04

Similar Documents

Publication Publication Date Title
US8095106B2 (en) System and method for power savings in a wireless communication network
US20060146769A1 (en) Method of operating a WLAN mobile station
CN107969028B (en) Communication method, communication device, access point and station of wireless local area network
WO2019191984A1 (en) Signal transmitting method, network device and terminal device
CN107809789B (en) Communication method, communication device, access point and station of wireless local area network
CN109041179B (en) Communication method, communication device and communication equipment of wireless local area network
CN109151956B (en) Communication method, communication device and communication equipment of wireless local area network
CN108513341B (en) Communication method, communication device and communication terminal of wireless local area network
CN109151957B (en) Communication method, communication device and communication equipment of wireless local area network
CN109756956B (en) Communication method and communication device, access point equipment and station equipment
CN109429299B (en) Communication method, communication device and communication equipment of wireless local area network
CN108712775B (en) Communication method and communication device, access point equipment and station equipment
CN109429300B (en) Communication method and device of wireless local area network, access point equipment and site equipment
WO2022017379A1 (en) Signal transceiving method, node, and network side device
CN109729569B (en) Communication method and communication device, access point equipment and station equipment
CN109041178B (en) Communication method, communication device and communication equipment of wireless local area network
CN109699061B (en) Communication method and communication device, access point equipment and station equipment
CN109756957B (en) Communication method and communication device, access point equipment and station equipment
CN108811051B (en) Communication method, communication device and communication equipment of wireless local area network
CN109219154B (en) Communication method, communication device and communication equipment of wireless local area network
CN108810825B (en) Communication method, communication device and communication equipment of wireless local area network
CN108810999B (en) Communication method, communication device and communication equipment of wireless local area network
CN109756958B (en) Communication method and communication device, access point equipment and station equipment
CN109151958B (en) Communication method, communication device and communication equipment of wireless local area network
CN109429268B (en) Communication method and device of wireless local area network, access point equipment and site equipment

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant