CN109788533B - Communication method and communication device, access point equipment and station equipment - Google Patents
Communication method and communication device, access point equipment and station equipment Download PDFInfo
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Abstract
The invention provides a communication method and a communication device of a wireless local area network, access point equipment and station equipment, wherein the communication method of the wireless local area network for the access point equipment comprises the following steps: generating a wake-up message frame; setting the transmission rate of the wake-up message frame according to the frame type of the wake-up message frame; and sending the awakening message frame to a secondary communication interface of the site equipment according to the transmission rate so as to awaken a primary communication interface of the site equipment to receive the downlink cache data frame. The technical scheme can effectively improve the transmission efficiency of the awakening message frame, can save the power consumption of the equipment, enables the equipment to save more power and meets the requirements of IEEE802.11ba.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a communication method of a wireless local area network, a communication apparatus of a wireless local area network, an access point device, and a station device.
Background
In the year 2016, 7, IEEE (Institute of Electrical and Electronics Engineers) 802.11 established the research group WUR (wake Up receiver) of the next generation Wi-Fi (Wireless Fidelity) technology, which is IEEE802.11ba, and is mainly applied to the internet of things, in order to save the power consumption of the device as much as possible, and most importantly, in order to make the device receiving the wake-Up frame (wake Up message frame, i.e., WUR message frame) save the power consumption of the device as much as possible, wherein the power consumption required by the device to receive the wake-Up frame is not more than 1 mW.
When the device is in the WUR mode, the primary communication interface of the device is in a sleep state, and the secondary communication interface of the device is in a continuous awake state or a periodic awake state, where the secondary communication interface is used to receive a WUR message frame sent by an AP (Access Point), so as to wake up the primary communication interface to obtain a downlink data frame cached by the AP for the device.
Further, the frame types of the wake-up message frame generally include a unicast wake-up message frame, a multicast/multicast wake-up message frame, and a wake-up beacon frame, and the wake-up message frames of different frame types have corresponding frame formats, and the data rates for transmitting the wake-up message frames generally include 62.5kb/s and 250 kb/s.
Therefore, how to transmit wake-up message frames of different frame types at a matched data rate to enable devices to better save power consumption is a technical problem to be urgently solved, which satisfies the vision of IEEE802.11 ba.
Disclosure of Invention
Based on at least one of the above technical problems, the present invention provides a new communication scheme for a wireless local area network, which improves the transmission efficiency of wakeup message frames by setting adaptive transmission rates for wakeup message frames of different frame types, and can save the power consumption of devices, so that the devices are more power-saving, and the requirements of IEEE802.11ba are met.
In view of this, according to a first aspect of the present invention, a communication method of a wireless local area network is provided, where the communication method of the wireless local area network is used for an access point device, and includes: generating a wake-up message frame; setting the transmission rate of the wake-up message frame according to the frame type of the wake-up message frame; and sending the awakening message frame to a secondary communication interface of the site equipment according to the transmission rate so as to awaken a primary communication interface of the site equipment to receive the downlink cache data frame.
In the technical scheme, different transmission rates are specifically set according to the frame type of the wake-up message frame, so that the frame type of the wake-up message frame is matched with the transmission rate thereof, the transmission efficiency of the wake-up message frame can be effectively improved, the power consumption of the device can be saved, the device can save more power, and the requirement of IEEE802.11ba is met, wherein after the wake-up message frame is transmitted to the secondary communication interface of the station device according to the corresponding transmission rate, the primary communication interface of the station device is specifically used for receiving the downlink cache data frame from the access point device.
In the above technical solution, preferably, when the wake-up message frame is a WUR beacon frame, the wake-up message frame is set to be sent to the secondary communication interface according to a preset basic transmission rate.
In the technical scheme, when the wake-up message frame sent by the access point device to the station device is a WUR beacon frame, in order to ensure the transmission efficiency and save the device power consumption as much as possible, all the station devices entering the WUR mode can receive the wake-up message frame, and then the wake-up message frame can be sent to the secondary communication interface of the station device according to the preset basic transmission rate.
Further, the preset basic transmission rate may preferably be taken to be 62.5 kb/s.
In any of the above technical solutions, preferably, when the wake-up message frame is a unicast message frame, sending the wake-up message frame to the secondary communication interface at a first transmission rate is set; after the wake-up message frame is sent according to the first transmission rate, whether a feedback message frame aiming at the wake-up message frame is received by the station equipment or not is detected in a main communication channel of the access point equipment; and if not, setting to send the awakening message frame to the secondary communication interface again according to the second transmission rate, and adding 1 to the accumulated sending times of the awakening message frame, wherein the value of the first transmission rate is greater than the value of the second transmission rate.
In the above technical solution, the flag bit for identifying the cumulative number of times of sending the wakeup message frame is preferably included in the MAC header of the wakeup message frame, and the initial value of the flag bit is set to 0.
In the technical scheme, when an awake message frame sent by an access point device to a site device is a unicast message frame, the awake message frame may be initially sent to a secondary communication interface of the site device according to a first transmission rate, and if the access point device does not receive a feedback message frame for the awake message frame by the site device on a primary communication channel, that is, it indicates that the sending of the awake message frame fails to wake up the primary communication interface of the site device, in order to ensure the transmission efficiency of the awake message frame and save the power consumption of the device to the maximum extent possible, the awake message frame may be resent to the secondary communication interface of the site device according to a second transmission rate which is smaller than the first transmission rate; furthermore, the accumulated number of times that the access point device sends the wake-up message frame to the secondary communication interface of the station device may be counted, for example, the interaction between the access point device and the station device may be adjusted based on the accumulated number of times.
Further, the first transmission rate may preferably be taken to be 250kb/s, and the second transmission rate may preferably be taken to be 62.5 kb/s.
In any of the above technical solutions, preferably, when the wake-up message frame is a multicast message frame or a broadcast message frame, sending the wake-up message frame to the secondary communication interface at a third transmission rate is set; after the preset time length of the wake-up message frame is sent according to the third transmission rate, other multicast message frames or other broadcast message frames are sent to the equipment of the station in the main communication channel of the access point equipment; when a feedback message frame aiming at other multicast message frames or other broadcast message frames is not received by the site equipment in the main communication channel, recording equipment identification information of target site equipment which does not send the feedback message frame; and setting to resend the wake-up message frame to the target site equipment corresponding to the equipment identification information according to a fourth transmission rate, wherein the value of the third transmission rate is greater than that of the fourth transmission rate.
In the technical solution, when an awake message frame sent by an access point device to a site device is a multicast message frame or a broadcast message frame, the awake message frame may be initially sent to a secondary communication interface of the site device according to a third transmission rate, and then after waiting for a preset time, whether the awake message frame is successfully sent may be verified in a manner of sending another multicast message frame or another broadcast message frame to the site device through a primary communication channel, specifically, when a feedback message frame for the other multicast message frame or another broadcast message frame is not received by the site device on the primary communication channel, which indicates that the sending failure of the awake message frame fails to successfully wake up a primary communication interface of the site device, the transmission efficiency of the awake message frame is ensured and the device power consumption is saved to the maximum extent, device identification information of a target site device that did not successfully receive the multicast message frame or another broadcast message frame may be recorded first, and then resending the wake-up message frame to a secondary communication interface of the site device at a fourth transmission rate that is less than the third transmission rate.
Further, the third transmission rate may preferably be taken to be 250kb/s, and the fourth transmission rate may preferably be taken to be 62.5 kb/s; and the device identification information of the target station device may be an AID (Application Identifier) of the station device or an assigned number in the Page ID.
According to the second aspect of the present invention, there is also provided a communication apparatus of a wireless local area network, for an access point device, the communication apparatus of the wireless local area network including: a generation module for generating a wake-up message frame; the setting module is used for setting the transmission rate of the wake-up message frame according to the frame type of the wake-up message frame; and the first sending module is used for sending the wake-up message frame to a secondary communication interface of the site equipment according to the transmission rate so as to wake up a primary communication interface of the site equipment to receive the downlink cache data frame.
In the technical scheme, different transmission rates are specifically set according to the frame type of the wake-up message frame, so that the frame type of the wake-up message frame is matched with the transmission rate thereof, the transmission efficiency of the wake-up message frame can be effectively improved, the power consumption of the device can be saved, the device can save more power, and the requirement of IEEE802.11ba is met, wherein after the wake-up message frame is transmitted to the secondary communication interface of the station device according to the corresponding transmission rate, the primary communication interface of the station device is specifically used for receiving the downlink cache data frame from the access point device.
In the above technical solution, preferably, the setting module is specifically configured to: and when the wake-up message frame is the WUR beacon frame, the wake-up message frame is set to be sent to the secondary communication interface according to the preset basic transmission rate.
In the technical scheme, when the wake-up message frame sent by the access point device to the station device is a WUR beacon frame, in order to ensure the transmission efficiency and save the device power consumption as much as possible, all the station devices entering the WUR mode can receive the wake-up message frame, and then the wake-up message frame can be sent to the secondary communication interface of the station device according to the preset basic transmission rate.
Further, the preset basic transmission rate may preferably be taken to be 62.5 kb/s.
In any of the above technical solutions, preferably, the setting module is specifically configured to: when the wake-up message frame is a unicast message frame, setting to send the wake-up message frame to the secondary communication interface according to a first transmission rate; and the communication device of the wireless local area network further comprises: the detection module is used for detecting whether a feedback message frame aiming at the awakening message frame is received by the main communication channel of the access point equipment or not after the first sending module sends the awakening message frame according to the first transmission rate; and the setting module is specifically further configured to: and when the detection module detects that the feedback message frame is not received, the detection module is arranged to send the awakening message frame to the secondary communication interface again according to the second transmission rate, and the cumulative sending times of the awakening message frame is added with 1, wherein the value of the first transmission rate is greater than the value of the second transmission rate.
In the above technical solution, the flag bit for identifying the cumulative number of times of sending the wakeup message frame is preferably included in the MAC header of the wakeup message frame, and the initial value of the flag bit is set to 0.
In the technical scheme, when an awake message frame sent by an access point device to a site device is a unicast message frame, the awake message frame may be initially sent to a secondary communication interface of the site device according to a first transmission rate, and if the access point device does not receive a feedback message frame for the awake message frame by the site device on a primary communication channel, that is, it indicates that the sending of the awake message frame fails to wake up the primary communication interface of the site device, in order to ensure the transmission efficiency of the awake message frame and save the power consumption of the device to the maximum extent possible, the awake message frame may be resent to the secondary communication interface of the site device according to a second transmission rate which is smaller than the first transmission rate; furthermore, the accumulated number of times that the access point device sends the wake-up message frame to the secondary communication interface of the station device may be counted, for example, the interaction between the access point device and the station device may be adjusted based on the accumulated number of times.
Further, the first transmission rate may preferably be taken to be 250kb/s, and the second transmission rate may preferably be taken to be 62.5 kb/s.
In any of the above technical solutions, preferably, the setting module is specifically configured to: when the wake-up message frame is a multicast message frame or a broadcast message frame, setting to send the wake-up message frame to the secondary communication interface according to a third transmission rate; the communication device of the wireless local area network further includes: the second sending module is used for sending other multicast message frames or other broadcast message frames to the site equipment in a main communication channel of the access point equipment after the second sending module is used for sending the preset duration of the wake-up message frame according to the third transmission rate; the recording module is used for recording the equipment identification information of the target site equipment which does not send the feedback message frame when the feedback message frame aiming at other multicast message frames or other broadcast message frames is not received by the site equipment in the main communication channel; and the setting module is further configured to: and setting to resend the wake-up message frame to the target site equipment corresponding to the equipment identification information according to a fourth transmission rate, wherein the value of the third transmission rate is greater than that of the fourth transmission rate.
In the technical solution, when an awake message frame sent by an access point device to a site device is a multicast message frame or a broadcast message frame, the awake message frame may be initially sent to a secondary communication interface of the site device according to a third transmission rate, and then after waiting for a preset time, whether the awake message frame is successfully sent may be verified in a manner of sending another multicast message frame or another broadcast message frame to the site device through a primary communication channel, specifically, when a feedback message frame for the other multicast message frame or another broadcast message frame is not received by the site device on the primary communication channel, which indicates that the sending failure of the awake message frame fails to successfully wake up a primary communication interface of the site device, the transmission efficiency of the awake message frame is ensured and the device power consumption is saved to the maximum extent, device identification information of a target site device that did not successfully receive the multicast message frame or another broadcast message frame may be recorded first, and then resending the wake-up message frame to a secondary communication interface of the site device at a fourth transmission rate that is less than the third transmission rate.
Further, the third transmission rate may preferably be taken to be 250kb/s, and the fourth transmission rate may preferably be taken to be 62.5 kb/s; and the device identification information of the target station device may be an AID of the station device or an assigned number in the Page ID.
According to a third aspect of the present invention, an access point device is further provided, which includes the communication apparatus of the wireless local area network in any one of the above-mentioned technical solutions of the second aspect, so that the access point device has the same technical effects as the communication apparatus of the wireless local area network in any one of the above-mentioned technical solutions of the second aspect, and details are not repeated here.
According to the fourth aspect of the present invention, there is also provided a communication method of a wireless local area network, where the communication method of the wireless local area network is used for a station device, and includes: receiving a wake-up message frame sent by access point equipment, wherein the wake-up message frame is transmitted according to a transmission rate matched with the frame type of the wake-up message frame; and awakening a main communication interface of the station equipment according to the awakening message frame so as to receive the downlink cache data frame.
In the technical scheme, the station device may specifically wake up its primary communication interface according to an awake message frame sent by the access point device according to a certain transmission rate to receive the downlink buffer data frame from the access point device, and in order to effectively ensure the transmission efficiency of the awake message frame and save the power consumption of the device, the device is more power-saving and meets the requirement of IEEE802.11ba, the transmission rate of the awake message frame is a transmission rate matched with the frame type of the awake message frame, and the awake message frame sent according to the certain transmission rate is received through the secondary communication interface of the station device.
According to the fifth aspect of the present invention, there is further provided a communication apparatus of a wireless local area network, where the communication apparatus of the wireless local area network is used for a station device, and the communication apparatus of the wireless local area network includes: a receiving module, configured to receive a wake-up message frame sent by an access point device, where the wake-up message frame is transmitted at a transmission rate matched with a frame type of the wake-up message frame; and the awakening module is used for awakening the main communication interface of the site equipment according to the awakening message frame so as to receive the downlink cache data frame.
In the technical scheme, the station device may specifically wake up its primary communication interface according to an awake message frame sent by the access point device according to a certain transmission rate to receive the downlink buffer data frame from the access point device, and in order to effectively ensure the transmission efficiency of the awake message frame and save the power consumption of the device, the device is more power-saving and meets the requirement of IEEE802.11ba, the transmission rate of the awake message frame is a transmission rate matched with the frame type of the awake message frame, and the awake message frame sent according to the certain transmission rate is received through the secondary communication interface of the station device.
According to a sixth aspect of the present invention, a station device is further provided, which includes the communication apparatus of the wireless local area network in any one of the above-mentioned technical solutions of the fifth aspect, so that the station device has the same technical effects as the communication apparatus of the wireless local area network in any one of the above-mentioned technical solutions of the fifth aspect, and details thereof are omitted here.
According to the technical scheme, the adaptive transmission rate is set for the wake-up message frames with different frame types, so that the transmission efficiency of the wake-up message frames is improved, the power consumption of equipment can be saved, the equipment is more power-saving, and the requirements of IEEE802.11ba are met.
Drawings
Fig. 1 is a flowchart illustrating a communication method for a wireless lan of an access point device according to an embodiment of the present invention;
fig. 2 shows a schematic block diagram of a communication apparatus of a wireless local area network for an access point device according to an embodiment of the present invention;
fig. 3 shows a schematic block diagram of an access point device of an embodiment of the invention;
fig. 4 is a flowchart illustrating a communication method for a wireless local area network of a station device according to an embodiment of the present invention;
fig. 5 shows a schematic block diagram of a communication apparatus of a wireless local area network for a station device of an embodiment of the present invention;
FIG. 6 shows a schematic block diagram of a site device of an embodiment of the present invention;
fig. 7 shows an interaction diagram of an access point device and a station device according to a first embodiment of the present invention;
fig. 8 shows an interaction diagram of an access point device and a station device according to a second 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 is a flowchart illustrating a communication method for a wireless local area network of an access point device according to an 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 is used for an access point device, and specifically includes the following steps:
And 104, setting the transmission rate of the wake-up message frame according to the frame type of the wake-up message frame.
And step 106, sending the wake-up message frame to a secondary communication interface of the site equipment according to the transmission rate so as to wake up a primary communication interface of the site equipment to receive the downlink cache data frame.
In this embodiment, different transmission rates are specifically set according to the frame type of the wakeup message frame, so that the frame type of the wakeup message frame is matched with the transmission rate of the wakeup message frame, which can effectively improve the transmission efficiency of the wakeup message frame, and can save the power consumption of the device, so that the device is more power-saving, and meets the requirements of ieee802.11ba, wherein the main communication interface of the wakeup station device is specifically configured to receive the downlink cache data frame from the access point device after the wakeup message frame is transmitted to the secondary communication interface of the station device according to the corresponding transmission rate.
Further, in an embodiment of the present invention, when the wake-up message frame is a WUR beacon frame, the step 104 may specifically be performed as: and setting to send a wake-up message frame to the secondary communication interface according to a preset basic transmission rate.
In this embodiment, when the wake-up message frame sent by the access point device to the station device is a WUR beacon frame, in order to ensure the transmission efficiency and save the device power consumption as much as possible, so that all the station devices entering the WUR mode can receive the wake-up message frame, the wake-up message frame may be sent to the secondary communication interface of the station device according to the preset basic transmission rate.
Further, the preset basic transmission rate may preferably be taken to be 62.5 kb/s.
Further, in another embodiment of the present invention, when the wake-up message frame is a unicast message frame, the step 104 may be specifically executed as: setting to send a wake-up message frame to a secondary communication interface according to a first transmission rate; after the wake-up message frame is sent according to the first transmission rate, whether a feedback message frame aiming at the wake-up message frame is received by the station equipment or not is detected in a main communication channel of the access point equipment; and if not, setting to send the awakening message frame to the secondary communication interface again according to the second transmission rate, and adding 1 to the accumulated sending times of the awakening message frame, wherein the value of the first transmission rate is greater than the value of the second transmission rate.
In the above embodiment, the flag indicating the cumulative number of times of sending the wake-up message frame is preferably included in the MAC header of the wake-up message frame, and the initial value of the flag is set to 0.
In this embodiment, when the wake-up message frame sent by the access point device to the station device is a unicast message frame, the wake-up message frame may be initially sent to the secondary communication interface of the station device at a first transmission rate, and if the access point device does not receive a feedback message frame for the wake-up message frame by the station device on the primary communication channel, that is, it indicates that the sending of the wake-up message frame fails and fails to wake up the primary communication interface of the station device, in order to ensure the transmission efficiency of the wake-up message frame and save the power consumption of the device to the maximum extent possible, the wake-up message frame may be resent to the secondary communication interface of the station device at a second transmission rate that is smaller than the first transmission rate; furthermore, the accumulated number of times that the access point device sends the wake-up message frame to the secondary communication interface of the station device may be counted, for example, the interaction between the access point device and the station device may be adjusted based on the accumulated number of times.
Further, the first transmission rate may preferably be taken to be 250kb/s, and the second transmission rate may preferably be taken to be 62.5 kb/s.
Further, in another embodiment of the present invention, when the wake-up message frame is a multicast message frame or a broadcast message frame, the step 104 may be specifically executed as: setting to send a wake-up message frame to the secondary communication interface according to a third transmission rate; after the preset time length of the wake-up message frame is sent according to the third transmission rate, other multicast message frames or other broadcast message frames are sent to the equipment of the station in the main communication channel of the access point equipment; when a feedback message frame aiming at other multicast message frames or other broadcast message frames is not received by the site equipment in the main communication channel, recording equipment identification information of target site equipment which does not send the feedback message frame; and setting to resend the wake-up message frame to the target site equipment corresponding to the equipment identification information according to a fourth transmission rate, wherein the value of the third transmission rate is greater than that of the fourth transmission rate.
In this embodiment, when the wake-up message frame sent by the access point device to the site device is a multicast message frame or a broadcast message frame, the wake-up message frame may be initially sent to the secondary communication interface of the site device according to a third transmission rate, and then after waiting for a preset time, whether the wake-up message frame is successfully sent may be verified in a manner of sending another multicast message frame or another broadcast message frame to the site device through the primary communication channel, specifically, when a feedback message frame of the site device for the other multicast message frame or another broadcast message frame is not received in the primary communication channel, which indicates that the wake-up message frame fails to be sent and fails to successfully wake up the primary communication interface of the site device, the transmission efficiency of the wake-up message frame is ensured and the device power consumption is saved to the maximum extent possible, the device identification information of the target site device that did not successfully receive the multicast message frame or another broadcast message frame may be recorded first, and then resending the wake-up message frame to a secondary communication interface of the site device at a fourth transmission rate that is less than the third transmission rate.
Further, the third transmission rate may preferably be taken to be 250kp/s, and the fourth transmission rate may preferably be taken to be 62.5 kb/s; and the device identification information of the target station device may be an AID of the station device or an allocation number in the Page ID, and the other multicast message frame or other broadcast message frame includes, but is not limited to, a resource allocation message frame.
The main implementation of the communication method shown in fig. 1 is an access point device in a network formed by an access point device and a station device, such as a router or a server with a Wi-Fi interface.
Fig. 2 shows a schematic block diagram of a communication apparatus of a wireless local area network for an access point device according to an embodiment of the present invention.
As shown in fig. 2, a communication apparatus 20 of a wireless local area network according to an embodiment of the present invention is used for an access point device, and the communication apparatus 20 of the wireless local area network includes: a generation module 202, a setting module 204 and a first sending module 206.
The generating module 202 is configured to generate a wake-up message frame; the setting module 204 is configured to set a transmission rate of the wake-up message frame according to a frame type of the wake-up message frame; the first sending module 206 is configured to send the wake-up message frame to the secondary communication interface of the station device according to the transmission rate, so as to wake up the primary communication interface of the station device to receive the downlink buffered data frame.
In this embodiment, different transmission rates are specifically set according to the frame type of the wakeup message frame, so that the frame type of the wakeup message frame is matched with the transmission rate of the wakeup message frame, which can effectively improve the transmission efficiency of the wakeup message frame, and can save the power consumption of the device, so that the device is more power-saving, and the requirement of IEEE802.11ba is met, wherein after the wakeup message frame is transmitted to the secondary communication interface of the station device according to the corresponding transmission rate, the primary communication interface of the wakeup station device is specifically used for receiving the downlink cache data frame from the access point device.
Further, in the above embodiment, the setting module 204 is specifically configured to: and when the wake-up message frame is the WUR beacon frame, the wake-up message frame is set to be sent to the secondary communication interface according to the preset basic transmission rate.
In this embodiment, when the wake-up message frame sent by the access point device to the station device is a WUR beacon frame, in order to ensure the transmission efficiency and save the device power consumption as much as possible, so that all the station devices entering the WUR mode can receive the wake-up message frame, the wake-up message frame may be sent to the secondary communication interface of the station device according to the preset basic transmission rate.
Further, the preset basic transmission rate may preferably be taken to be 62.5 kb/s.
Further, in the above embodiment, the setting module 204 is specifically configured to: when the wake-up message frame is a unicast message frame, setting to send the wake-up message frame to the secondary communication interface according to a first transmission rate; and the communication device 20 of the wireless local area network further includes: a detecting module 208, configured to detect whether a feedback message frame for the wakeup message frame is received by the station device in a main communication channel of the access point device after the first sending module 206 sends the wakeup message frame according to the first transmission rate; and the setting module 204 is further specifically configured to: when the detection module 208 detects that the feedback message frame is not received, it is set to re-send the wake-up message frame to the secondary communication interface according to the second transmission rate, and add 1 to the cumulative number of times of sending the wake-up message frame, where the value of the first transmission rate is greater than the value of the second transmission rate.
In the above embodiment, the flag indicating the cumulative number of times of sending the wake-up message frame is preferably included in the MAC header of the wake-up message frame, and the initial value of the flag is set to 0.
In this embodiment, when the wake-up message frame sent by the access point device to the station device is a unicast message frame, the wake-up message frame may be initially sent to the secondary communication interface of the station device at a first transmission rate, and if the access point device does not receive a feedback message frame for the wake-up message frame by the station device on the primary communication channel, that is, it indicates that the sending of the wake-up message frame fails and fails to wake up the primary communication interface of the station device, in order to ensure the transmission efficiency of the wake-up message frame and save the power consumption of the device to the maximum extent possible, the wake-up message frame may be resent to the secondary communication interface of the station device at a second transmission rate that is smaller than the first transmission rate; furthermore, the accumulated number of times that the access point device sends the wake-up message frame to the secondary communication interface of the station device may be counted, for example, the interaction between the access point device and the station device may be adjusted based on the accumulated number of times.
Further, the first transmission rate may preferably be taken to be 250kb/s, and the second transmission rate may preferably be taken to be 62.5 kb/s.
Further, in the above embodiment, the setting module 204 is specifically configured to: when the wake-up message frame is a multicast message frame or a broadcast message frame, setting to send the wake-up message frame to the secondary communication interface according to a third transmission rate; the communication apparatus 20 of the wireless local area network further includes: a second sending module 210, configured to send, after the second sending module 210 is configured to send the wakeup message frame according to the third transmission rate for the preset duration, another multicast message frame or another broadcast message frame to the site device in the main communication channel of the access point device; a recording module 212, configured to record, when a feedback message frame for another multicast message frame or another broadcast message frame is not received by a station device in a primary communication channel, device identification information of a target station device that does not send the feedback message frame; and the setup module 204 is further configured to: and setting to resend the wake-up message frame to the target site equipment corresponding to the equipment identification information according to a fourth transmission rate, wherein the value of the third transmission rate is greater than that of the fourth transmission rate.
In this embodiment, when the wake-up message frame sent by the access point device to the site device is a multicast message frame or a broadcast message frame, the wake-up message frame may be initially sent to the secondary communication interface of the site device according to a third transmission rate, and then after waiting for a preset time, whether the wake-up message frame is successfully sent may be verified in a manner of sending another multicast message frame or another broadcast message frame to the site device through the primary communication channel, specifically, when a feedback message frame of the site device for the other multicast message frame or another broadcast message frame is not received in the primary communication channel, which indicates that the wake-up message frame fails to be sent and fails to successfully wake up the primary communication interface of the site device, the transmission efficiency of the wake-up message frame is ensured and the device power consumption is saved to the maximum extent possible, the device identification information of the target site device that did not successfully receive the multicast message frame or another broadcast message frame may be recorded first, and then resending the wake-up message frame to a secondary communication interface of the site device at a fourth transmission rate that is less than the third transmission rate.
Further, the third transmission rate may preferably be taken to be 250kb/s, and the fourth transmission rate may preferably be taken to be 62.5 kb/s; and the device identification information of the target station device may be an AID of the station device or an allocation number in the Page ID, and the other multicast message frame or other broadcast message frame includes, but is not limited to, a resource allocation message frame.
In a specific implementation, the generating module 202, the setting module 204, the detecting module 208, and the recording module 212 may be a central processor or a baseband processor; the first sending module 206 and the second sending module 210 may be transmitters or antennas, etc.
Fig. 3 shows a schematic block diagram of an access point device of an embodiment of the invention.
As shown in fig. 3, the access point device 30 according to the embodiment of the present invention includes the communication apparatus 20 of the wireless lan described in the above embodiment, and therefore, the access point device 30 has the same technical effect as the communication apparatus 20 of the wireless lan described in the above embodiment, and is not described again here.
Fig. 4 is a flowchart illustrating a communication method for a wireless local area network of a station device according to an embodiment of the present invention.
As shown in fig. 4, a communication method of a wireless local area network according to an embodiment of the present invention is used for a station device, and specifically includes the following steps:
In this embodiment, the station device may specifically wake up its primary communication interface according to an awake message frame sent by the access point device according to a certain transmission rate to receive the downlink buffered data frame from the access point device, and in order to effectively ensure the transmission efficiency of the awake message frame and save the power consumption of the device, the device is more power-saving and meets the requirement of IEEE802.11ba, the transmission rate of the awake message frame is a transmission rate matched with the frame type of the awake message frame, where the awake message frame sent according to the certain transmission rate is received through a secondary communication interface of the station device.
Further, in the above embodiment, when the wake-up message frame sent by the access point device to the station device is a WUR beacon frame, in order to ensure the transmission efficiency and save the device power consumption to the greatest extent possible, so that all station devices entering the WUR mode can receive the wake-up message frame, the wake-up message frame may be sent to the secondary communication interface of the station device according to a preset basic transmission rate, and preferably the preset basic transmission rate may be 62.5 kb/s.
Further, in the above embodiment, when the wake-up message frame sent by the access point device to the station device is a unicast message frame, the wake-up message frame may be initially sent to the secondary communication interface of the station device according to a first transmission rate, and if the access point device does not receive a feedback message frame for the wake-up message frame by the station device on the primary communication channel, that is, it indicates that the sending of the wake-up message frame fails to wake up the primary communication interface of the station device, in order to ensure the transmission efficiency of the wake-up message frame and save the power consumption of the device to the maximum extent possible, the wake-up message frame may be resent to the secondary communication interface of the station device according to a second transmission rate that is smaller than the first transmission rate; further, the cumulative number of times that the access point device sends the wake-up message frame to the secondary communication interface of the station device may be counted, for example, the interaction between the access point device and the station device may be adjusted based on the cumulative number of times; and preferably the first transmission rate may take 250kb/s and the second transmission rate may take 62.5 kb/s.
In the above embodiment, the flag indicating the cumulative number of times of sending the wake-up message frame is preferably included in the MAC header of the wake-up message frame, and the initial value of the flag is set to 0.
Further, in the above embodiment, when the wake-up message frame sent by the ap device to the site device is a multicast message frame or a broadcast message frame, the wake-up message frame may be initially sent to the secondary communication interface of the site device according to a third transmission rate, and then after waiting for a preset time, whether the wake-up message frame is successfully sent may be verified in a manner of sending another multicast message frame or another broadcast message frame to the site device through the primary communication channel, specifically, when a feedback message frame of the site device for the other multicast message frame or another broadcast message frame is not received in the primary communication channel, which indicates that the sending of the wake-up message frame fails and fails to successfully wake up the primary communication interface of the site device, so that the transmission efficiency of the wake-up message frame and the maximum possible saving of device power consumption are ensured, device identification information of a target site device that did not successfully receive the multicast message frame or another broadcast message frame may be recorded first, then, the wake-up message frame is retransmitted to a secondary communication interface of the site equipment according to a fourth transmission rate of which the value is smaller than the third transmission rate; and preferably the third transmission rate may be 250kb/s, the fourth transmission rate may be 62.5kb/s, and the device identification information of the target station device may be the AID of the station device or an allocation number in the Page ID, and the other multicast message frames or other broadcast message frames include, but are not limited to, the resource allocation message frame.
The main body of the communication method shown in fig. 4 may be a station device in a network formed by an ap device and a station device, such as a smart phone or a PDA (Personal Digital Assistant).
The interface through which the station device receives the wakeup message frame is a secondary communication interface, and the purpose of receiving the wakeup message frame is to wake up a primary communication interface of the station device to perform communication so as to obtain a downlink data frame buffered by the access point device.
Fig. 5 shows a schematic block diagram of a communication apparatus of a wireless local area network for a station device according to an embodiment of the present invention.
As shown in fig. 5, a communication apparatus 50 of a wireless local area network according to an embodiment of the present invention is used for a station device, where the communication apparatus 50 of the wireless local area network includes: a receiving module 502 and a wake-up module 504.
The receiving module 502 is configured to receive a wake-up message frame sent by an access point device, where the wake-up message frame is transmitted at a transmission rate matched with a frame type of the wake-up message frame; the wake-up module 504 is configured to wake up a main communication interface of the station device according to the wake-up message frame to receive the downlink buffer data frame.
In this embodiment, the station device may specifically wake up its primary communication interface according to an awake message frame sent by the access point device according to a certain transmission rate to receive the downlink buffered data frame from the access point device, and in order to effectively ensure the transmission efficiency of the awake message frame and save the power consumption of the device, the device is more power-saving and meets the requirement of IEEE802.11ba, the transmission rate of the awake message frame is a transmission rate matched with the frame type of the awake message frame, where the awake message frame sent according to the certain transmission rate is received through a secondary communication interface of the station device.
Further, in the above embodiment, when the wake-up message frame sent by the access point device to the station device is a WUR beacon frame, in order to ensure the transmission efficiency and save the device power consumption to the greatest extent possible, so that all station devices entering the WUR mode can receive the wake-up message frame, the wake-up message frame may be sent to the secondary communication interface of the station device according to a preset basic transmission rate, and preferably the preset basic transmission rate may be 62.5 kb/s.
Further, in the above embodiment, when the wake-up message frame sent by the access point device to the station device is a unicast message frame, the wake-up message frame may be initially sent to the secondary communication interface of the station device according to a first transmission rate, and if the access point device does not receive a feedback message frame for the wake-up message frame by the station device on the primary communication channel, that is, it indicates that the sending of the wake-up message frame fails to wake up the primary communication interface of the station device, in order to ensure the transmission efficiency of the wake-up message frame and save the power consumption of the device to the maximum extent possible, the wake-up message frame may be resent to the secondary communication interface of the station device according to a second transmission rate that is smaller than the first transmission rate; further, the cumulative number of times that the access point device sends the wake-up message frame to the secondary communication interface of the station device may be counted, for example, the interaction between the access point device and the station device may be adjusted based on the cumulative number of times; and preferably the first transmission rate may take 250kb/s and the second transmission rate may take 62.5 kb/s.
In the above embodiment, the flag indicating the cumulative number of times of sending the wake-up message frame is preferably included in the MAC header of the wake-up message frame, and the initial value of the flag is set to 0.
Further, in the above embodiment, when the wake-up message frame sent by the ap device to the site device is a multicast message frame or a broadcast message frame, the wake-up message frame may be initially sent to the secondary communication interface of the site device according to a third transmission rate, and then after waiting for a preset time, whether the wake-up message frame is successfully sent may be verified in a manner of sending another multicast message frame or another broadcast message frame to the site device through the primary communication channel, specifically, when a feedback message frame of the site device for the other multicast message frame or another broadcast message frame is not received in the primary communication channel, which indicates that the sending of the wake-up message frame fails and fails to successfully wake up the primary communication interface of the site device, so that the transmission efficiency of the wake-up message frame and the maximum possible saving of device power consumption are ensured, device identification information of a target site device that did not successfully receive the multicast message frame or another broadcast message frame may be recorded first, then, the wake-up message frame is retransmitted to a secondary communication interface of the site equipment according to a fourth transmission rate of which the value is smaller than the third transmission rate; and preferably the third transmission rate may be 250kb/s, the fourth transmission rate may be 62.5kb/s, and the device identification information of the target station device may be the AID of the station device or an allocation number in the Page ID, and the other multicast message frames or other broadcast message frames include, but are not limited to, the resource allocation message frame.
In a specific implementation, the receiving module 502 may be a receiver or an antenna, etc.; the wake-up module 504 may be a central processor or a baseband processor, etc.
Fig. 6 shows a schematic block diagram of a station apparatus of an embodiment of the present invention.
As shown in fig. 6, the station device 60 according to the embodiment of the present invention includes the communication apparatus 50 of the wireless local area network described in the foregoing embodiment, and therefore, the station device 60 has the same technical effect as the communication apparatus 50 of the wireless local area network described in the foregoing embodiment, and is not described again here.
The communication system of the wireless lan according to the embodiment of the present invention will be specifically described with reference to fig. 7 and 8.
The communication system of the wireless lan shown in fig. 7 includes an access point device 702 and a station device 704, where the access point device 702 initially transmits a unicast wakeup message frame to the station device 704 at a first transmission rate, and when the station device 704 does not feed back a feedback message frame for the unicast wakeup message frame to the access point device 702, it indicates that the unicast wakeup message frame fails to be transmitted, and further, the access point device 702 may retransmit the unicast wakeup message frame to the station device 704 at a second transmission rate which is smaller than the first transmission rate.
Further, the first transmission rate may preferably be taken to be 250kp/s, and the second transmission rate may preferably be taken to be 62.5 kb/s.
The communication system of the wireless local area network shown in fig. 8, includes an access point device 802 and a station device 804, wherein the access point device 802 initially transmits a multicast or multicast wakeup message frame to the station device 804 at a third transmission rate, the access point device 802 then sends other multicast or multicast message frames, such as resource allocation message frames, and when the one or more station devices 804 do not feed back a feedback message frame for the multicast or multicast message frame to the access point device 802, it indicates that the multicast or multicast wakeup message frame fails to be sent, and further needs to record the device identification information of the station device that does not send the feedback message frame to the access point device 802, for the access point device 802 to retransmit the multicast or multicast wakeup message frame to the station device 804 corresponding to the aforementioned device identification information at a fourth transmission rate having a value smaller than the third transmission rate.
Wherein the third transmission rate may preferably be taken as 250kp/s and the fourth transmission rate may preferably be taken as 62.5 kb/s; and the device identification information may be an AID of the station device or an assigned number in the Page ID.
The technical scheme of the invention is described in detail with reference to the accompanying drawings, and by setting the adaptive transmission rate for the wake-up message frames with different frame types, the technical scheme improves the transmission efficiency of the wake-up message frames, can save the power consumption of the equipment, enables the equipment to save more power and meets the requirements of IEEE802.11 ba.
In the description of the present specification, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and specific meanings of the above terms in the disclosed embodiments may be understood according to specific situations by those of ordinary skill in the art.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by 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 (10)
1. A communication method of a wireless local area network, which is used for an access point device, wherein the communication method of the wireless local area network comprises:
generating a wake-up message frame;
setting the transmission rate of the wake-up message frame according to the frame type of the wake-up message frame;
sending the awakening message frame to a secondary communication interface of the site equipment according to the transmission rate so as to awaken a primary communication interface of the site equipment to receive a downlink cache data frame;
when the awakening message frame is a unicast message frame, setting to send the awakening message frame to the secondary communication interface according to a first transmission rate;
after the wake-up message frame is sent according to the first transmission rate, detecting whether a feedback message frame aiming at the wake-up message frame is received by the station equipment in a main communication channel of the access point equipment;
and if not, setting to send the awakening message frame to the secondary communication interface again according to a second transmission rate, and adding 1 to the accumulated sending times of the awakening message frame, wherein the value of the first transmission rate is greater than the value of the second transmission rate.
2. The communication method of the wireless local area network according to claim 1,
and when the awakening message frame is a WUR beacon frame, the awakening message frame is set to be sent to the secondary communication interface according to a preset basic transmission rate.
3. The communication method of the wireless local area network according to claim 1,
when the awakening message frame is a multicast message frame or a broadcast message frame, setting to send the awakening message frame to the secondary communication interface according to a third transmission rate;
after the preset time length of the wake-up message frame is sent according to the third transmission rate, other multicast message frames or other broadcast message frames are sent to the site equipment in a main communication channel of the access point equipment;
when a feedback message frame aiming at the other multicast message frames or the other broadcast message frames is not received by the site equipment in the main communication channel, recording equipment identification information of target site equipment which does not send the feedback message frame;
and re-sending the wake-up message frame to the target site equipment corresponding to the equipment identification information according to a fourth transmission rate, wherein the value of the third transmission rate is greater than the value of the fourth transmission rate.
4. A communication method of a wireless local area network, which is used for a station device, and is characterized in that the communication method of the wireless local area network comprises:
receiving a wake-up message frame sent by access point equipment, wherein the wake-up message frame is transmitted according to a transmission rate matched with the frame type of the wake-up message frame;
awakening a main communication interface of the site equipment according to the awakening message frame so as to receive a downlink cache data frame;
when the wake-up message frame is a unicast message frame, receiving the wake-up message frame sent by the access point equipment according to a first transmission rate through a secondary communication interface of the site equipment;
sending a feedback message frame for the wake-up message frame to the device;
and when the primary communication channel of the access point device does not receive a feedback message frame of the station device for the wake-up message frame, receiving the wake-up message frame retransmitted by the access point device according to a second transmission rate through the secondary communication interface, wherein the value of the first transmission rate is greater than the value of the second transmission rate.
5. A communication apparatus of a wireless local area network, configured to be used in an access point device, the communication apparatus of the wireless local area network comprising:
a generation module for generating a wake-up message frame;
the setting module is used for setting the transmission rate of the awakening message frame according to the frame type of the awakening message frame;
a first sending module, configured to send the wake-up message frame to a secondary communication interface of a site device according to the transmission rate, so as to wake up a primary communication interface of the site device to receive a downlink cache data frame;
the setting module is specifically configured to: when the awakening message frame is a unicast message frame, setting to send the awakening message frame to the secondary communication interface according to a first transmission rate; and
the communication device of the wireless local area network further comprises: a detection module, configured to detect whether a feedback message frame for the wakeup message frame is received by the station device in a primary communication channel of the access point device after the first sending module sends the wakeup message frame at the first transmission rate; and
the setting module is specifically further configured to: and when the detection module detects that the feedback message frame is not received, setting to resend the awakening message frame to the secondary communication interface according to a second transmission rate, and adding 1 to the cumulative transmission times of the awakening message frame, wherein the value of the first transmission rate is greater than the value of the second transmission rate.
6. The wlan communication device according to claim 5, wherein the setting module is specifically configured to:
and when the awakening message frame is a WUR beacon frame, the awakening message frame is set to be sent to the secondary communication interface according to a preset basic transmission rate.
7. The communication device of the wireless local area network according to claim 5,
the setting module is specifically configured to: when the awakening message frame is a multicast message frame or a broadcast message frame, setting to send the awakening message frame to the secondary communication interface according to a third transmission rate;
the communication device of the wireless local area network further comprises:
a second sending module, configured to send, after the second sending module is configured to send the preset time duration of the wakeup message frame according to the third transmission rate, another multicast message frame or another broadcast message frame to the site device in a main communication channel of the access point device;
a recording module, configured to record, when a feedback message frame for the other multicast message frame or the other broadcast message frame is not received by the site device in the primary communication channel, device identification information of a target site device that does not send the feedback message frame; and
the setup module is further configured to: and re-sending the wake-up message frame to the target site equipment corresponding to the equipment identification information according to a fourth transmission rate, wherein the value of the third transmission rate is greater than the value of the fourth transmission rate.
8. A communication apparatus of a wireless local area network, for a station device, the communication apparatus of the wireless local area network comprising:
a receiving module, configured to receive a wake-up message frame sent by an access point device, where the wake-up message frame is transmitted at a transmission rate matched with a frame type of the wake-up message frame;
the awakening module is used for awakening a main communication interface of the site equipment according to the awakening message frame so as to receive a downlink cache data frame;
the receiving module is further configured to receive, through a secondary communication interface of the site device, the wake-up message frame sent by the access point device according to a first transmission rate when the wake-up message frame is a unicast message frame;
a sending module, configured to send a feedback message frame for the wake-up message frame to the device;
the receiving module is further configured to receive, through the secondary communication interface, the wake-up message frame that is retransmitted by the access point device at a second transmission rate when the primary communication channel of the access point device does not receive the feedback message frame of the station device for the wake-up message frame, where a value of the first transmission rate is greater than a value of the second transmission rate.
9. An access point device, comprising: communication device of a wireless local area network according to any of claims 5 to 7.
10. A station apparatus, comprising: communication device of a wireless local area network according to claim 8.
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| WO2015191044A1 (en) * | 2014-06-10 | 2015-12-17 | Hewlett-Packard Development Company, L.P. | Wake up message transmission rate |
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| CN104737597A (en) * | 2012-10-24 | 2015-06-24 | 高通股份有限公司 | Method and apparatus using an ultra low power signal with scheduled power save modes |
| CN105052209A (en) * | 2013-02-28 | 2015-11-11 | 高通股份有限公司 | Polling beacon |
| CN108810999A (en) * | 2017-05-03 | 2018-11-13 | 珠海市魅族科技有限公司 | Communication means, communication device and the communication equipment of WLAN |
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