CN109756957B - 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, wherein the wake-up message frame comprises a destination address; setting the transmission rate of the wake-up message frame; determining the address length of a destination address according to the transmission rate; and sending the wake-up message frame to the site equipment corresponding to the destination address according to the transmission rate so as to wake up the main communication interface of the site equipment. According to the technical scheme, the address length of the destination address is set according to different transmission rates of the wake-up message frame, so that the equipment can save more power, and the requirements of IEEE 802.11ba are met.
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 IEEE 802.11ba, 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 operating mode, the main 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 main communication interface to acquire a downlink data frame cached by the AP for the device.
In the standard formulation process, for the wake-up message frame, it is specified that: the access point device transmits a wakeup message frame through a PCR (Program Clock Reference) including a WID (WUR receiver identifier, i.e., destination address) for uniquely identifying a Station device (STA, Station) in the basic service set, which is generally included in a unicast wakeup message frame as a receiving device identifier so that the unicast wakeup message frame wakes up the Station device corresponding to the WID.
However, in the process of establishing the standard, the length of the WID (i.e. the address length) and how to determine the address length are not specified, so how to determine the length of the WID of the wake-up message frame so as to save the power consumption of the device becomes an urgent technical problem to be solved.
Disclosure of Invention
The present invention is based on at least one of the above technical problems, and provides a new communication scheme for wireless local area networks, which can save more power for devices and meet the requirements of IEEE 802.11ba by setting the address length of the destination address according to different transmission rates of the wakeup message frame.
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, wherein the wake-up message frame comprises a destination address; setting the transmission rate of the wake-up message frame; determining the address length of a destination address according to the transmission rate; and sending the wake-up message frame to the site equipment corresponding to the destination address according to the transmission rate so as to wake up the main communication interface of the site equipment.
In the technical scheme, the destination address of the wake-up message frame is set in the process of generating the wake-up message frame, the address length of the destination address is specifically limited according to the set transmission rate of the wake-up message frame, and the wake-up message frame is sent to the station equipment corresponding to the destination address of the wake-up message frame according to the transmission rate so as to wake up the main communication interface of the station equipment to receive downlink cache data.
Further, in the above technical solution, the destination address is obtained by the station device and the access point device through negotiation in the host communication channel, for example, the station device obtains through a WUR operation mode negotiation process before entering the WUR operation mode, and the destination address can be used for identifying the access point device as well as the station device.
In the foregoing technical solution, preferably, the transmission rate includes a first transmission rate and a second transmission rate, where a value of the first transmission rate is greater than a value of the second transmission rate, and the step of determining the address length of the destination address according to the transmission rate includes: the first address length of the destination address when the wake-up message frame is sent according to the first transmission rate is configured to be larger than the second address length of the destination address when the wake-up message frame is sent according to the second transmission rate.
In this technical solution, the transmission rate for transmitting the wake-up message frame generally includes a first transmission rate and a second transmission rate, and when the address length of the destination address of the wake-up message frame is determined according to the transmission rate of the wake-up message frame, when the wake-up message frame is sent to the site device at the first transmission rate with a larger value, the first address length of the destination address of the wake-up message frame should be larger than the second address length of the destination address of the wake-up message frame when the wake-up message frame is sent to the site device at the first transmission rate with a smaller value, that is, for the same wake-up message frame, the larger the transmission rate is, the longer the corresponding address length of the destination address is, thereby effectively achieving the purpose of saving power for the device.
Further preferably, the first transmission rate is 250kb/s, the second transmission rate is 62.5kb/s, and the first address length is four times the second address length.
In any of the above technical solutions, preferably, the step of determining the address length of the destination address according to the transmission rate further includes: acquiring the frame type of a wake-up message frame, wherein the frame type comprises a unicast message frame, a multicast message frame and a broadcast message frame; and for the same transmission rate, configuring that the third address length of the destination address is greater when the wake-up message frame is a unicast message frame than when the wake-up message frame is a multicast message frame or a broadcast message frame.
In the technical solution, further, when determining the address length of the destination address of the wake-up message frame according to the transmission rate of the wake-up message frame, the frame type of the wake-up message frame may be considered, that is, the transmission rate and the frame type of the wake-up message frame are adapted to the address length of the destination address, so that the device is more power-saving, specifically, different address lengths are respectively set for the destination address of the wake-up message frame with different frame types transmitted at the same transmission rate, and generally, when the wake-up message frame is a unicast message frame, the third address length of the destination address is greater than the fourth address length of the destination address of the wake-up message frame when the wake-up message frame is a multicast message frame or a broadcast message frame.
In any of the above technical solutions, preferably, the step of determining the address length of the destination address according to the transmission rate further includes: acquiring the frame type of a wake-up message frame, wherein the frame type comprises a unicast message frame, a multicast message frame and a broadcast message frame; and when the wake-up message frame is a multicast message frame or a broadcast message frame, the wake-up message frame is configured to be sent to the site equipment on a second WUR sending channel, wherein the address lengths of the corresponding destination addresses are the same when the wake-up message frame is sent through the first WUR sending channel and the second WUR sending channel respectively.
In the technical scheme, further, when determining the address length of the destination address of the wake-up message frame according to the transmission rate of the wake-up message frame, the transmission channels of the wake-up message frames of different frame types can be considered, that is, the transmission rate and the transmission channel of the wake-up message frame of different frame types are adapted to the address length of the corresponding destination address, so that the device can save more power, specifically, when sending the wake-up message frame of different frame types through different WUR sending channels, the same address length of the destination address can be set for the wake-up message frames of different frame types, wherein when the wake-up message frame is a unicast message frame, the first WUR sending channel can be used for sending, and when the wake-up message frame is a multicast message frame or a broadcast message frame, the second WUR sending channel can be used for sending.
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: the generating module is used for generating a wake-up message frame, wherein the wake-up message frame comprises a destination address; the setting module is used for setting the transmission rate of the wake-up message frame; the determining module is used for determining the address length of the destination address according to the transmission rate; and the sending module is used for sending the wake-up message frame to the site equipment corresponding to the destination address according to the transmission rate so as to wake up the main communication interface of the site equipment.
In the technical scheme, the destination address of the wake-up message frame is set in the process of generating the wake-up message frame, the address length of the destination address is specifically limited according to the set transmission rate of the wake-up message frame, and the wake-up message frame is sent to the station equipment corresponding to the destination address of the wake-up message frame according to the transmission rate so as to wake up the main communication interface of the station equipment to receive downlink cache data.
Further, in the above technical solution, the destination address is obtained by the station device and the access point device through negotiation in the host communication channel, for example, the station device obtains through a WUR operation mode negotiation process before entering the WUR operation mode, and the destination address can be used for identifying the access point device as well as the station device.
In the foregoing technical solution, preferably, the transmission rate includes a first transmission rate and a second transmission rate, where a value of the first transmission rate is greater than a value of the second transmission rate, and the determining module specifically includes: and the configuration submodule is used for configuring that the first address length of the destination address when the wake-up message frame is sent according to the first transmission rate is larger than the second address length of the destination address when the wake-up message frame is sent according to the second transmission rate.
In this technical solution, the transmission rate for transmitting the wake-up message frame generally includes a first transmission rate and a second transmission rate, and when the address length of the destination address of the wake-up message frame is determined according to the transmission rate of the wake-up message frame, when the wake-up message frame is sent to the site device at the first transmission rate with a larger value, the first address length of the destination address of the wake-up message frame should be larger than the second address length of the destination address of the wake-up message frame when the wake-up message frame is sent to the site device at the first transmission rate with a smaller value, that is, for the same wake-up message frame, the larger the transmission rate is, the longer the corresponding address length of the destination address is, thereby effectively achieving the purpose of saving power for the device.
Further preferably, the first transmission rate is 250kb/s, the second transmission rate is 62.5kb/s, and the first address length is four times the second address length.
In any one of the above technical solutions, preferably, the determining module further includes: the first obtaining submodule is used for obtaining the frame type of the awakening message frame, wherein the frame type comprises a unicast message frame, a multicast message frame and a broadcast message frame; and the configuration submodule is specifically configured to: and for the same transmission rate, configuring that the third address length of the destination address is greater when the wake-up message frame is a unicast message frame than when the wake-up message frame is a multicast message frame or a broadcast message frame.
In the technical solution, further, when determining the address length of the destination address of the wake-up message frame according to the transmission rate of the wake-up message frame, the frame type of the wake-up message frame may be considered, that is, the transmission rate and the frame type of the wake-up message frame are adapted to the address length of the destination address, so that the device is more power-saving, specifically, different address lengths are respectively set for the destination address of the wake-up message frame with different frame types transmitted at the same transmission rate, and generally, when the wake-up message frame is a unicast message frame, the third address length of the destination address is greater than the fourth address length of the destination address of the wake-up message frame when the wake-up message frame is a multicast message frame or a broadcast message frame.
In any one of the above technical solutions, preferably, the determining module further includes: the second obtaining submodule is used for obtaining the frame type of the awakening message frame, wherein the frame type comprises a unicast message frame, a multicast message frame and a broadcast message frame; and the configuration submodule is specifically configured to: and when the wake-up message frame is a multicast message frame or a broadcast message frame, the wake-up message frame is configured to be sent to the site equipment on a second WUR sending channel, wherein the address lengths of the corresponding destination addresses are the same when the wake-up message frame is sent through the first WUR sending channel and the second WUR sending channel respectively.
In the technical scheme, further, when determining the address length of the destination address of the wake-up message frame according to the transmission rate of the wake-up message frame, the transmission channels of the wake-up message frames of different frame types can be considered, that is, the transmission rate and the transmission channel of the wake-up message frame of different frame types are adapted to the address length of the corresponding destination address, so that the device can save more power, specifically, when sending the wake-up message frame of different frame types through different WUR sending channels, the same address length of the destination address can be set for the wake-up message frames of different frame types, wherein when the wake-up message frame is a unicast message frame, the first WUR sending channel can be used for sending, and when the wake-up message frame is a multicast message frame or a broadcast message frame, the second WUR sending channel can be used for sending.
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 from the access point equipment, wherein the wake-up message frame comprises a destination address, and the address length of the destination address is the address length determined by the access point equipment according to the transmission rate of the wake-up message frame; and awakening the main communication interface of the station equipment according to the awakening message frame so as to receive the downlink cache data from the access point equipment.
In the technical scheme, when an awake message frame sent by an access point device according to a transmission rate set for the awake message frame is received, a main communication interface of a station device is awakened according to the awake message frame to receive downlink cache data, wherein the awake message frame includes a destination address corresponding to the station device, and the address length of the destination address is determined according to the transmission rate of the awake message frame, so that the interactive transmission efficiency of the awake message frame can be improved by adapting the transmission rate of the awake message frame to the address length of the destination address, thereby enabling the device to save more power and meeting the requirements of IEEE 802.11 ba.
Further, in the above technical solution, the destination address is obtained by the station device and the access point device through negotiation in the host communication channel, for example, the station device obtains through a WUR operation mode negotiation process before entering the WUR operation mode, and the destination address can be used for identifying the access point device as well as 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 from an access point device, where the wake-up message frame includes a destination address, and an address length of the destination address is an address length determined by the access point device according to a transmission rate of the wake-up message frame; and the awakening module is used for awakening the main communication interface of the station equipment according to the awakening message frame so as to receive the downlink cache data from the access point equipment.
In the technical scheme, when an awake message frame sent by an access point device according to a transmission rate set for the awake message frame is received, a main communication interface of a station device is awakened according to the awake message frame to receive downlink cache data, wherein the awake message frame includes a destination address corresponding to the station device, and the address length of the destination address is determined according to the transmission rate of the awake message frame, so that the interactive transmission efficiency of the awake message frame can be improved by adapting the transmission rate of the awake message frame to the address length of the destination address, thereby enabling the device to save more power and meeting the requirements of IEEE 802.11 ba.
Further, in the above technical solution, the destination address is obtained by the station device and the access point device through negotiation in the host communication channel, for example, the station device obtains through a WUR operation mode negotiation process before entering the WUR operation mode, and the destination address can be used for identifying the access point device as well as 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 address length of the destination address is set according to different transmission rates of the wake-up message frame, so that the equipment can save more power, and the requirements of IEEE 802.11ba 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 the determination module shown in FIG. 2;
fig. 4 shows a schematic block diagram of an access point device of an embodiment of the invention;
fig. 5 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. 6 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. 7 shows a schematic block diagram of a station apparatus of an 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 step 106, determining the address length of the destination address according to the transmission rate.
And step 108, sending the wake-up message frame to the site equipment corresponding to the destination address according to the transmission rate so as to wake up the main communication interface of the site equipment.
In this embodiment, a destination address of the wake-up message frame is set in the process of generating the wake-up message frame, and the address length of the destination address is specifically limited according to the set transmission rate of the wake-up message frame, and then the wake-up message frame is sent to the station device corresponding to the destination address of the wake-up message frame according to the transmission rate to wake up the main communication interface of the station device to receive downlink cache data.
Further, in the above embodiment, the destination address is obtained by the station device and the access point device through negotiation in the main communication channel, for example, the station device obtains through a WUR operation mode negotiation process before entering the WUR operation mode, and the destination address can be used for identifying the access point device as well as the station device.
Further, in the above-described embodiment, the transmission rate includes a first transmission rate and a second transmission rate, wherein a value of the first transmission rate is larger than a value of the second transmission rate; further, it is preferable that the first transmission rate is 250kb/s and the second transmission rate is 62.5 kb/s.
Further, in the above embodiment, the step 106 may be specifically executed as: the first address length of the destination address when the wake-up message frame is sent according to the first transmission rate is configured to be larger than the second address length of the destination address when the wake-up message frame is sent according to the second transmission rate.
In this embodiment, the transmission rate for transmitting the wake-up message frame generally includes a first transmission rate and a second transmission rate, and when the address length of the destination address of the wake-up message frame is determined according to the transmission rate of the wake-up message frame, the first address length of the destination address of the wake-up message frame when the wake-up message frame is transmitted to the station device at the first transmission rate with a larger value should be larger than the second address length of the destination address of the wake-up message frame when the wake-up message frame is transmitted to the station device at the first transmission rate with a smaller value, that is, for the same wake-up message frame, the larger the transmission rate is, the longer the address length of the destination address of the wake-up message frame is, for example, the address length of the destination address of the wake-up message frame at the transmission rate of 250kb/s is larger than the address length of the destination address of the wake-up message frame at the transmission rate of 62.5kb/s, therefore, the purpose of saving more power of the equipment is effectively achieved.
Further, preferably in the above-described embodiment, the first address length may be four times as long as the second address length.
Further, in the above embodiment, the step 106 further includes: acquiring the frame type of a wake-up message frame, wherein the frame type comprises a unicast message frame, a multicast message frame and a broadcast message frame; and for the same transmission rate, configuring that the third address length of the destination address is greater when the wake-up message frame is a unicast message frame than when the wake-up message frame is a multicast message frame or a broadcast message frame.
In this embodiment, the frame type of the wake-up message frame may also be considered when determining the address length of its destination address according to the transmission rate of the wake-up message frame, i.e. by adapting the transmission rate of the wake-up message frame and the frame type to the address length of its destination address, in order to make the device more power-saving, specifically, different address lengths are respectively set for the destination addresses of the wake-up message frames with different frame types transmitted at the same transmission rate, and in general, the third address length of the destination address of the wake-up message frame is greater than the fourth address length of the destination address of the wake-up message frame when the wake-up message frame is a unicast message frame, for example, the address length of the corresponding destination address is 16 bits or 11 bits when the wake-up message frame is a unicast message frame, and when the wake-up message frame is a multicast message frame or a broadcast message frame, the address length of the corresponding destination address is 8 bits or less.
Further, in the above embodiment, the step 106 further includes: acquiring the frame type of a wake-up message frame, wherein the frame type comprises a unicast message frame, a multicast message frame and a broadcast message frame; and when the wake-up message frame is a multicast message frame or a broadcast message frame, the wake-up message frame is configured to be sent to the site equipment on a second WUR sending channel, wherein the address lengths of the corresponding destination addresses are the same when the wake-up message frame is sent through the first WUR sending channel and the second WUR sending channel respectively.
In this embodiment, the transmission channels of the wake-up message frames of different frame types may also be considered when determining the address length of their destination address according to the transmission rate of the wake-up message frame, that is, the transmission rate and the transmission channel of the wake-up message frame of different frame types are adapted to the address length of the corresponding destination address, so as to make the device more power-saving, specifically, the same address length of the destination address may be set for the wake-up message frames of different frame types when the wake-up message frames of different frame types are transmitted through different WUR transmission channels, wherein, when the wake-up message frame is a unicast message frame, the first WUR transmission channel may be used for transmission, and when the wake-up message frame is a multicast message frame or a broadcast message frame, the second WUR transmission channel may be used for transmission.
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 setup module 204, a determination module 206, and a sending module 208.
The generating module 202 is configured to generate a wake-up message frame, where the wake-up message frame includes a destination address; the setting module 204 is configured to set a transmission rate of the wake-up message frame; the determining module 206 is configured to determine an address length of the destination address according to the transmission rate; the sending module 208 is configured to send the wake-up message frame to the site device corresponding to the destination address according to the transmission rate, so as to wake up the main communication interface of the site device.
In this embodiment, a destination address of the wake-up message frame is set in the process of generating the wake-up message frame, and the address length of the destination address is specifically limited according to the set transmission rate of the wake-up message frame, and then the wake-up message frame is sent to the station device corresponding to the destination address of the wake-up message frame according to the transmission rate to wake up the main communication interface of the station device to receive downlink cache data.
Further, in the above embodiment, the destination address is obtained by the station device and the access point device through negotiation in the main communication channel, for example, the station device obtains through a WUR operation mode negotiation process before entering the WUR operation mode, and the destination address can be used for identifying the access point device as well as the station device.
Further, in the above-described embodiment, the transmission rate includes a first transmission rate and a second transmission rate, wherein a value of the first transmission rate is larger than a value of the second transmission rate; further, it is preferable that the first transmission rate is 250kb/s and the second transmission rate is 62.5 kb/s.
Further, in the above embodiment, the determining module 206 includes a configuring submodule 2062, as shown in fig. 3, wherein the configuring submodule 2062 is configured to configure a first address length of the destination address when the wake-up message frame is transmitted according to the first transmission rate to be larger than a second address length of the destination address when the wake-up message frame is transmitted according to the second transmission rate.
In this embodiment, the transmission rate for transmitting the wake-up message frame generally includes a first transmission rate and a second transmission rate, and when the address length of the destination address of the wake-up message frame is determined according to the transmission rate of the wake-up message frame, the first address length of the destination address of the wake-up message frame when the wake-up message frame is transmitted to the station device at the first transmission rate with a larger value should be larger than the second address length of the destination address of the wake-up message frame when the wake-up message frame is transmitted to the station device at the first transmission rate with a smaller value, that is, for the same wake-up message frame, the larger the transmission rate is, the longer the address length of the destination address of the wake-up message frame is, for example, the address length of the destination address of the wake-up message frame at the transmission rate of 250kb/s is larger than the address length of the destination address of the wake-up message frame at the transmission rate of 62.5kb/s, therefore, the purpose of saving more power of the equipment is effectively achieved.
Further, preferably in the above-described embodiment, the first address length may be four times as long as the second address length.
Further, in the above embodiment, it is determined that the first obtaining submodule 2064 is further included, as shown in fig. 3, where the first obtaining submodule 2064 is configured to obtain a frame type of the wake-up message frame, where the frame type includes a unicast message frame, a multicast message frame, and a broadcast message frame; and a configuration submodule 2062, specifically configured to: and for the same transmission rate, configuring that the third address length of the destination address is greater when the wake-up message frame is a unicast message frame than when the wake-up message frame is a multicast message frame or a broadcast message frame.
In this embodiment, the frame type of the wake-up message frame may also be considered when determining the address length of its destination address according to the transmission rate of the wake-up message frame, i.e. by adapting the transmission rate of the wake-up message frame and the frame type to the address length of its destination address, in order to make the device more power-saving, specifically, different address lengths are respectively set for the destination addresses of the wake-up message frames with different frame types transmitted at the same transmission rate, and in general, the third address length of the destination address of the wake-up message frame is greater than the fourth address length of the destination address of the wake-up message frame when the wake-up message frame is a unicast message frame, for example, the address length of the corresponding destination address is 16 bits or 11 bits when the wake-up message frame is a unicast message frame, and when the wake-up message frame is a multicast message frame or a broadcast message frame, the address length of the corresponding destination address is 8 bits or less.
Further, in the above embodiment, the determining module 206 further includes a second obtaining submodule 2066, as shown in fig. 3, wherein the second obtaining submodule 2066 is configured to obtain a frame type of the wake-up message frame, where the frame type includes a unicast message frame, a multicast message frame, and a broadcast message frame; and a configuration submodule 2062, specifically configured to: and when the wake-up message frame is a multicast message frame or a broadcast message frame, the wake-up message frame is configured to be sent to the site equipment on a second WUR sending channel, wherein the address lengths of the corresponding destination addresses are the same when the wake-up message frame is sent through the first WUR sending channel and the second WUR sending channel respectively.
In this embodiment, the transmission channels of the wake-up message frames of different frame types may also be considered when determining the address length of their destination address according to the transmission rate of the wake-up message frame, that is, the transmission rate and the transmission channel of the wake-up message frame of different frame types are adapted to the address length of the corresponding destination address, so as to make the device more power-saving, specifically, the same address length of the destination address may be set for the wake-up message frames of different frame types when the wake-up message frames of different frame types are transmitted through different WUR transmission channels, wherein, when the wake-up message frame is a unicast message frame, the first WUR transmission channel may be used for transmission, and when the wake-up message frame is a multicast message frame or a broadcast message frame, the second WUR transmission channel may be used for transmission.
In a specific implementation, the generating module 202, the setting module 204, and the determining module 206 may be a central processor or a baseband processor; the sending module 208 may be a transmitter or an antenna, etc.
Fig. 4 shows a schematic block diagram of an access point device of an embodiment of the invention.
As shown in fig. 4, the ap device 40 according to the embodiment of the present invention includes the communication apparatus 20 of the wlan described in the foregoing embodiment, and therefore, the ap device 40 has the same technical effect as the communication apparatus 20 of the wlan described in the foregoing embodiment, and is not described again here.
Fig. 5 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. 5, 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, when receiving a wake-up message frame sent by an access point device according to a transmission rate set for the wake-up message frame, waking up a main communication interface of a station device according to the wake-up message frame to receive downlink buffer data, where the wake-up message frame includes a destination address corresponding to the station device, and an address length of the destination address is determined according to the transmission rate of the wake-up message frame, and thus, by adapting the transmission rate of the wake-up message frame to the address length of the destination address, the interactive transmission efficiency of the wake-up message frame can be improved, so that the device is more power-saving, and meets the requirement of IEEE 802.11 ba.
Further, in the above embodiment, the destination address is obtained by the station device and the access point device through negotiation in the main communication channel, for example, the station device obtains through a WUR operation mode negotiation process before entering the WUR operation mode, and the destination address can be used for identifying the access point device as well as the station device.
Further, in the above embodiment, the transmission rate includes a first transmission rate and a second transmission rate, where a value of the first transmission rate is greater than a value of the second transmission rate, and a first address length of a destination address of the wake-up message frame corresponding to the first transmission rate is greater than a second address length of the destination address of the wake-up message frame corresponding to the second transmission rate.
Further, it is preferable that the first transmission rate is 250kb/s, the second transmission rate is 62.5kb/s, and the first address length may be four times as long as the second address length.
Further, in the above embodiment, the third address length of the destination address when the wake-up message frame is a unicast message frame is greater than the fourth address length of the destination address when the wake-up message frame is a multicast message frame or a broadcast message frame.
Further, in the above-described embodiment, the address lengths of the destination addresses of the wake-up message frames of different frame types respectively received from the different WUR transmission channels of the access point device may be the same.
The main body of the communication method shown in fig. 5 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. 6 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. 6, a communication apparatus 60 of a wireless local area network according to an embodiment of the present invention is used for a station device, and the communication apparatus 60 of the wireless local area network includes: a receiving module 602 and a wake-up module 604.
The receiving module 602 is configured to receive a wake-up message frame from an access point device, where the wake-up message frame includes a destination address, and an address length of the destination address is an address length determined by the access point device according to a transmission rate of the wake-up message frame; the wake-up module 604 is configured to wake up the primary communication interface of the station device according to the wake-up message frame to receive downlink buffer data from the access point device.
In this embodiment, when receiving a wake-up message frame sent by an access point device according to a transmission rate set for the wake-up message frame, waking up a main communication interface of a station device according to the wake-up message frame to receive downlink buffer data, where the wake-up message frame includes a destination address corresponding to the station device, and an address length of the destination address is determined according to the transmission rate of the wake-up message frame, and thus, by adapting the transmission rate of the wake-up message frame to the address length of the destination address, the interactive transmission efficiency of the wake-up message frame can be improved, so that the device is more power-saving, and meets the requirement of IEEE 802.11 ba.
Further, in the above embodiment, the destination address is obtained by the station device and the access point device through negotiation in the main communication channel, for example, the station device obtains through a WUR operation mode negotiation process before entering the WUR operation mode, and the destination address can be used for identifying the access point device as well as the station device.
Further, in the above embodiment, the transmission rate includes a first transmission rate and a second transmission rate, where a value of the first transmission rate is greater than a value of the second transmission rate, and a first address length of a destination address of the wake-up message frame corresponding to the first transmission rate is greater than a second address length of the destination address of the wake-up message frame corresponding to the second transmission rate.
Further, it is preferable that the first transmission rate is 250kb/s, the second transmission rate is 62.5kb/s, and the first address length may be four times as long as the second address length.
Further, in the above embodiment, the third address length of the destination address when the wake-up message frame is a unicast message frame is greater than the fourth address length of the destination address when the wake-up message frame is a multicast message frame or a broadcast message frame.
Further, in the above-described embodiment, the address lengths of the destination addresses of the wake-up message frames of different frame types respectively received from the different WUR transmission channels of the access point device may be the same.
In a specific implementation, the receiving module 602 may be a receiver or an antenna, etc.; the wake-up module 604 may be a central processor or a baseband processor, etc.
Fig. 7 shows a schematic block diagram of a station apparatus of an embodiment of the present invention.
As shown in fig. 7, the station device 70 according to the embodiment of the present invention includes the communication apparatus 60 of the wireless local area network described in the foregoing embodiment, and therefore, the station device 70 has the same technical effect as the communication apparatus 60 of the wireless local area network described in the foregoing embodiment, and is not described again here.
The technical solution of the present invention is described in detail above with reference to the drawings, and by setting the address length of the destination address according to different transmission rates of the wakeup message frame, the device can be more power-saving, and the requirement of IEEE 802.11ba is met.
In the description of the present specification, the terms "first", "second", "third", and "fourth" 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, wherein the wake-up message frame comprises a destination address;
setting the transmission rate of the wake-up message frame;
determining the address length of the destination address according to the transmission rate;
sending the awakening message frame to site equipment corresponding to the destination address according to the transmission rate so as to awaken a main communication interface of the site equipment;
the transmission rates include a first transmission rate and a second transmission rate, wherein a value of the first transmission rate is greater than a value of the second transmission rate, an
The step of determining the address length of the destination address according to the transmission rate includes:
configuring that a first address length of the destination address when the wake-up message frame is sent according to the first transmission rate is larger than a second address length of the destination address when the wake-up message frame is sent according to the second transmission rate.
2. The communication method of the wireless local area network according to claim 1, wherein the step of determining the address length of the destination address according to the transmission rate further comprises:
acquiring the frame type of the awakening message frame, wherein the frame type comprises a unicast message frame, a multicast message frame and a broadcast message frame;
and for the same transmission rate, configuring that the third address length of the destination address is greater when the awakening message frame is a unicast message frame than when the awakening message frame is a multicast message frame or a broadcast message frame.
3. The communication method of the wireless local area network according to claim 1, wherein the step of determining the address length of the destination address according to the transmission rate further comprises:
acquiring the frame type of the awakening message frame, wherein the frame type comprises a unicast message frame, a multicast message frame and a broadcast message frame;
configuring to transmit the wake-up message frame to the station device on a first WUR transmission channel when the wake-up message frame is a unicast message frame, and configuring to transmit the wake-up message frame to the station device on a second WUR transmission channel when the wake-up message frame is a multicast message frame or a broadcast message frame,
and when the wake-up message frame is sent through the first WUR sending channel and the second WUR sending channel, the address lengths corresponding to the destination addresses are the same.
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 from an access point device, wherein the wake-up message frame includes a destination address, and the address length of the destination address is an address length determined by the access point device according to a transmission rate of the wake-up message frame, the transmission rate includes a first transmission rate and a second transmission rate, wherein a value of the first transmission rate is greater than a value of the second transmission rate, and the first address length of the destination address when the access point device sends the wake-up message frame according to the first transmission rate is greater than the second address length of the destination address when the access point device sends the wake-up message frame according to the second transmission rate;
and awakening a main communication interface of the site equipment according to the awakening message frame so as to receive downlink cache data from the access point equipment.
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 generating module, configured to generate a wake-up message frame, where the wake-up message frame includes a destination address;
the setting module is used for setting the transmission rate of the wake-up message frame;
a determining module, configured to determine an address length of the destination address according to the transmission rate;
a sending module, configured to send the wake-up message frame to a site device corresponding to the destination address according to the transmission rate, so as to wake up a main communication interface of the site device;
the transmission rates include a first transmission rate and a second transmission rate, wherein a value of the first transmission rate is greater than a value of the second transmission rate, an
The determining module specifically includes:
a configuration submodule, configured to configure that a first address length of the destination address when the wake-up message frame is sent according to the first transmission rate is greater than a second address length of the destination address when the wake-up message frame is sent according to the second transmission rate.
6. The communications apparatus of claim 5, wherein the determining module further comprises:
a first obtaining submodule, configured to obtain a frame type of the wake-up message frame, where the frame type includes a unicast message frame, a multicast message frame, and a broadcast message frame; and
the configuration submodule is specifically configured to: and for the same transmission rate, configuring that the third address length of the destination address is greater when the awakening message frame is a unicast message frame than when the awakening message frame is a multicast message frame or a broadcast message frame.
7. The communications apparatus of claim 5, wherein the determining module further comprises:
a second obtaining submodule, configured to obtain a frame type of the wake-up message frame, where the frame type includes a unicast message frame, a multicast message frame, and a broadcast message frame; and
the configuration submodule is specifically configured to: configuring to transmit the wake-up message frame to the station device on a first WUR transmission channel when the wake-up message frame is a unicast message frame, and configuring to transmit the wake-up message frame to the station device on a second WUR transmission channel when the wake-up message frame is a multicast message frame or a broadcast message frame,
and when the wake-up message frame is sent through the first WUR sending channel and the second WUR sending channel, the address lengths corresponding to the destination addresses are the same.
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 from an access point device, where the wake-up message frame includes a destination address, and an address length of the destination address is an address length determined by the access point device according to a transmission rate of the wake-up message frame, where the transmission rate includes a first transmission rate and a second transmission rate, a value of the first transmission rate is greater than a value of the second transmission rate, and a first address length of the destination address when the access point device sends the wake-up message frame according to the first transmission rate is greater than a second address length of the destination address when the access point device sends the wake-up message frame according to the second transmission rate;
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 downlink cache data from the access point equipment.
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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