CN108574974B - Wireless access method, related equipment and system - Google Patents
Wireless access method, related equipment and system Download PDFInfo
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- CN108574974B CN108574974B CN201710161585.9A CN201710161585A CN108574974B CN 108574974 B CN108574974 B CN 108574974B CN 201710161585 A CN201710161585 A CN 201710161585A CN 108574974 B CN108574974 B CN 108574974B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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Abstract
An access point sends a wake-up message frame to a client end every other sending period, when the client end determines that a secondary communication interface of the client end does not receive the wake-up message frame in a set multiple of sending periods, a main communication interface of the client end is automatically woken up to send a wireless access request, and therefore the situation that when the AP is disconnected with the Internet or the client end leaves a radiation range of the AP, the client end is always in the state that the secondary communication interface listens for the wake-up message frame, and the main communication interface is powered off and cannot carry out data communication can be avoided.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a wireless access method, a related device, and a system.
Background
WUR (Wake up Receiver) is a wireless communication technology aiming at reducing the power consumption of equipment and simultaneously shortening delay time, and can be mainly applied to the field of Internet of things.
A client in a Basic Service Set (BSS) based on a WUR technology is provided with a main communication interface and a secondary communication interface, wherein the main communication interface is generally in a Power-off state, and the secondary communication interface is always in a Power-on state; when data communication is performed, an AP (Access Point) in a BSS sends a Wake-up message frame (Wake-up Packet) to a client; after a secondary communication interface of the client receiving equipment receives the awakening message frame, a main communication interface is electrified to receive data such as messages, instructions or reports cached by the AP; because the power consumption of the secondary communication interface is extremely low, and the primary communication interface can carry out data communication immediately after the secondary communication interface senses the wake-up message frame, the effect of reducing the delay time while reducing the power consumption of the equipment can be achieved.
However, in the conventional WUR technique, since the primary communication interface of the client is always in a power-off state, the primary communication interface is powered on and operates only when the secondary communication interface receives a wakeup message frame; therefore, when the AP associated with the client is disconnected from the internet or the client, or the client leaves the radiation range of the associated AP, the client is always in a state where the secondary communication interface listens for the wake-up message frame, and the primary communication interface is powered off and cannot perform data communication, that is, cannot access the wireless network any more.
Disclosure of Invention
The embodiment of the invention provides a wireless access method, related equipment and a system, which are used for wireless connection of wireless equipment based on a WUR technology.
The embodiment of the invention provides a wireless access method, which comprises the following steps:
the method comprises the steps that a client determines that a secondary communication interface of the client does not receive a wake-up message frame sent by an access point in a set multiple sending period closest to the current moment; the wake-up message frame is used for waking up a main communication interface of the client, and the sending period is a set time length for the access point to send the wake-up message frame to the client according to a convention twice continuously;
and controlling a main communication interface of the client to send an initial access network connection frame.
The embodiment of the invention provides another wireless access method, which comprises the following steps:
the access point determines the sending period of the wake-up message frame; the wake-up message frame is used for waking up a main communication interface of the client, and the sending period is a set time length for the access point to send the wake-up message frame twice continuously according to the orientation of the client;
and sending a wakeup message frame to the client according to the set starting time point and the sending period.
Correspondingly, an embodiment of the present invention further provides a client, including:
the monitoring unit is used for determining that the secondary communication interface of the client does not receive the wake-up message frame sent by the access point in a set multiple sending period closest to the current moment; the wake-up message frame is used for waking up a main communication interface of the client, and the sending period is a set time length for the access point to send the wake-up message frame to the client according to a convention twice continuously;
and the control unit is used for controlling the main communication interface of the client to send an initial access network connection frame.
Correspondingly, an embodiment of the present invention further provides an access point, including:
a determining unit, configured to determine a sending period of the wakeup message frame; the wake-up message frame is used for waking up a main communication interface of the client, and the sending period is a set time length for the access point to send the wake-up message frame twice continuously according to the orientation of the client;
and the execution unit is used for sending the wake-up message frame to the client according to the set starting time point and the sending period.
Correspondingly, the embodiment of the invention also provides a wireless access system, which comprises an access point and a client, wherein:
the access point is used for determining the sending period of the wake-up message frame; sending a wakeup message frame to the client according to the set starting time point and the sending period; the wake-up message frame is used for waking up a main communication interface of the client, and the sending period is a set time length for the access point to send the wake-up message frame to the client according to a convention twice continuously;
the client is used for determining that a secondary communication interface of the client does not receive the wake-up message frame sent by the access point in a set multiple sending period closest to the current moment; and controlling a main communication interface of the client to send an initial access network connection frame.
The invention has the following beneficial effects:
the embodiment of the invention provides a wireless access method, related equipment and a system.A sending period of an awakening message frame can be determined by an access point, and the awakening message frame is sent to a client according to a set initial time point and the sending period; the client can determine that in a set multiple of sending periods closest to the current moment, a secondary communication interface of the client does not receive the awakening message frame sent by the access point, and then a main communication interface of the client is controlled to send an initial access network connection frame; the wake-up message frame is used for waking up a main communication interface of the client, and the sending period is a set time length which is used for the access point to send the wake-up message frame according to the directional client twice continuously. That is to say, a sending period of the wakeup message frame can be agreed between the access point and the client, the access point sends the wakeup message frame to the client every other sending period, and when the client determines that the secondary communication interface of the client does not receive the wakeup message frame in the set multiple sending periods, the client automatically wakes up the primary communication interface of the client to send the wireless access request, so that the situation that the client is always in the condition that the secondary communication interface listens the wakeup message frame and the primary communication interface is powered off and cannot perform data communication when the AP is disconnected with the internet or the client leaves the radiation range of the AP can be avoided.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without inventive efforts.
Fig. 1 is a flowchart illustrating steps of a wireless access method at an access point according to a first embodiment of the present invention;
fig. 2 is a flowchart illustrating steps of a wireless access method at a client side according to a first embodiment of the present invention;
fig. 3 is a schematic structural diagram of a client according to a second embodiment of the present invention;
fig. 4 is a schematic structural diagram of an access point according to a second embodiment of the present invention;
fig. 5 is a schematic structural diagram of a radio access system according to a second embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
an embodiment of the present invention provides a wireless access method on an access point side, which is applicable to a wireless local area network connection of a client based on a WUR technology, and specifically, as shown in fig. 1, is a flowchart of steps of the method in the first embodiment of the present invention, and may include the following steps:
step 101: the access point determines the sending period of the wake-up message frame; the wake-up message frame is used for waking up a main communication interface of the client, and the sending period is a set time length for the access point to send the wake-up message frame twice according to the orientation of the client.
It should be noted that the access point may be an access bridge, a wireless router, or other devices, and may also be a mobile terminal device having a "hot spot" function, which is not limited herein.
Optionally, the sending period may be flexibly set according to actual use requirements, for example, 30s, 1min, 10min, and the like, and this embodiment is not limited in any way here.
Optionally, the determining, by the access point, the sending period of the wakeup message frame may specifically include:
the access point receives a sending period setting instruction input by a user;
and determining the sending period according to the period setting instruction.
Also optionally, the determining, by the access point, the sending period of the wakeup message frame may further include:
the access point receives sending period setting information sent by the server;
and determining the sending period according to the sending period setting information.
Also optionally, the determining, by the access point, the sending period of the wakeup message frame may further include:
the access point receives a sending period setting request sent by a client;
and determining the sending period of the wake-up message frame sent to the client according to the sending period setting request.
That is, the transmission period of the wake-up message frame of any access point can be manually set by the user on the any access point; the related server can also uniformly set the sending period of the wake-up message frames of one or more access points; the sending period of the wake-up message frame sent to the terminal by any access point can be set by the terminal, so that the determining mode of the sending period of the wake-up message frame is very flexible.
In addition, it should be noted that, if any access point is associated with multiple clients at the same time, the sending periods of the wake-up message frames of the access point for the multiple clients may be the same or different; for example, the client a, the client B and the client C are all accessed to the wireless access point a, the sending cycle of the wireless access point a for sending the wake-up message frame according to the orientation of the client a is 30s, the sending cycle of the wireless access point a for sending the wake-up message frame according to the orientation of the client B is 1min, and the sending cycle of the wireless access point a for sending the wake-up message frame according to the orientation of the client C is 10 min; alternatively, the transmission cycle of the wireless access point a transmitting the wake-up message frame to the client a, the client B, and the client C is 30s, which is not limited herein.
Step 102: and the access point sends a wakeup message frame to the client according to the set starting time point and the sending period.
Optionally, the client may be a terminal such as a smart phone, a tablet computer, a Personal Computer (PC), or the like, or may also be an Internet Of Things/Sensor Device (Internet Of Things/Sensor Device), and the present embodiment is not limited in any way herein.
In a BSS based on a WUR technology, a client is provided with a main communication interface and a secondary communication interface, wherein the main communication interface is generally in a power-off state, and the secondary communication interface is in a power-on state; when data communication is carried out, the access point sends a wake-up message frame to the client, so that a secondary communication interface of the client receives the wake-up message frame, and a primary communication interface of the client is awakened to receive a data frame, such as a message, an instruction or a report, cached by the access point.
In the method provided in this embodiment, the access point sends a wakeup message frame to the client except when notifying the client to receive the data frame; and determining a sending period for sending the wake-up message frame to the client according to the contract, and sending the wake-up message frame to the client when one sending period is recorded, no matter whether the cached data frame needs to be received by the client at the moment, so that the client judges whether the current association with the access point is still realized according to the receiving condition of the wake-up message frame.
Furthermore, the primary communication interface and the secondary communication interface of the client may be implemented by respective independent communication modules (devices), each of which includes a processor and a radio frequency circuit, that is, the primary communication interface and the secondary communication interface each have independent physical entities; in addition, the primary communication interface and the secondary communication interface of the client may also be implemented by the same communication module (device), where the communication module includes a processor and a radio frequency circuit, and the processor may execute a related logic process of the primary communication interface and a related logic process of the secondary communication interface simultaneously, that is, the primary communication interface and the secondary communication interface share the same physical entity, but execute their respective logic processes independently, which is not limited herein.
Further optionally, if any access point is associated with multiple clients at the same time, and the sending period of each wakeup message frame of the multiple clients by the any access point is the same, the any access point may broadcast the wakeup message frames to the multiple clients in a unified manner according to the set starting time point and the set sending period; if any access point is associated with multiple clients at the same time, and the sending period of each wakeup message frame of the multiple clients by the any access point is different, for each client, the any access point can send the wakeup message frame to the client according to the set starting time point and the sending period corresponding to the client, which is not described herein again.
Optionally, before sending the wake-up message frame to the client according to the set starting time point and the sending period, the method may further include: and the access point sends a Beacon frame (Beacon frame) to the client, wherein the Beacon frame carries the sending period.
That is, if the transmission period of the wake-up message frame of the access point is set manually by the user through the access point or uniformly set by the server, the access point needs to notify the client of the transmission period information before transmitting the wake-up message frame to the client according to the set starting time point (which can be flexibly set according to actual requirements, for example, a certain set time point after the client associates with the access point) and the transmission period.
In summary, in the wireless access method provided in the embodiment of the present invention, the access point may determine a sending period of the wake-up message frame, and send the wake-up message frame to the client according to the set starting time point and the sending period, so that the client determines that the secondary communication interface of the client does not receive the wake-up message frame sent by the access point in the set multiple sending periods closest to the current time, and controls the primary communication interface of the client to send the initial access network connection frame; the wake-up message frame is used for waking up a main communication interface of the client, and the sending period is a set time length which is used for the access point to send the wake-up message frame according to the directional client twice continuously. That is to say, the access point may agree with the client terminal on a transmission cycle of the wakeup message frame, and transmit the wakeup message frame to the client terminal every other transmission cycle, so that when the client terminal determines that the secondary communication interface of the client terminal does not receive the wakeup message frame within a set multiple of transmission cycles, the primary communication interface of the client terminal is automatically woken up to transmit the wireless access request, thereby avoiding the situation that the client terminal is always in a state where the secondary communication interface listens for the wakeup message frame and the primary communication interface is powered off and cannot perform data communication when the access point is disconnected from the internet or the client terminal leaves the radiation range of the access point.
Correspondingly, a first embodiment of the present invention further provides a client-side wireless access method, which is applicable to a wireless local area network connection of a client based on a WUR technology, and specifically, as shown in fig. 2, is a flowchart of steps of the method in the first embodiment of the present invention, and may include the following steps:
step 201: the client determines that a secondary communication interface of the client does not receive a wake-up message frame sent by an access point in a set multiple sending period closest to the current moment; the wake-up message frame is used for waking up a main communication interface of the client, and the sending period is a set time length for the access point to send the wake-up message frame to the client according to a convention twice continuously.
It should be noted that the client and the access point have previously established an association relationship. The access point can be equipment such as an access bridge, a wireless router and the like, and can also be mobile terminal equipment with a 'hot spot' function; the client may be a smart phone, a tablet computer, a PC, or an internet of things/sensor device, and the like, and this embodiment is not limited herein.
Optionally, the determining, by the client, that the secondary communication interface of the client does not receive the wake-up message frame sent by the access point in the set multiple sending cycles closest to the current time may specifically include:
the client determines that a secondary communication interface of the client receives a wake-up message frame sent by the access point at a first time point t;
determining that a secondary communication interface of the secondary communication interface does not receive a wake-up message frame sent by the access point at the time of t + nT; wherein T is the transmission period, N is 1, 2 … N, N is the set multiple, and N is a positive integer.
Further alternatively, N may be greater than 2.
For example, the set multiple is equal to 3, the client determines that the sending period of the wakeup message frame sent by the wireless access point is 1min, and the client determines that the secondary communication interface of the client receives the wakeup message frame sent by the access point at 16: 00; at the moment of 16:01, the client determines that the secondary communication interface of the client does not receive the wake-up message frame sent by the access point; at 16:02 moment, the client determines that the secondary communication interface of the client does not receive the wake-up message frame sent by the access point; at time 16:03, the client determines that its secondary communication interface does not receive the wake-up message frame sent by the access point, and then the client determines that the secondary communication interface of the client does not receive the wake-up message frame sent by the access point in 3 sending cycles closest to the current time. It should be noted that the time t + nT may also be replaced by a time interval with a set length taking the time t + nT as a midpoint, that is, a time error exists in a time (or a period) for allowing the secondary communication interface of the client to receive the wakeup message frame, which is not described herein again.
Optionally, the determining, by the client, that the secondary communication interface of the client does not receive the wake-up message frame sent by the access point in the set multiple sending cycles closest to the current time may specifically include:
the client determines a second time point when a secondary communication interface of the client receives a wake-up message frame sent by the access point last time;
and determining that the time length of the second time point from the current time is not less than the set multiple of the sending period.
For example, the set multiple is equal to 3, the client determines that the sending period of the wakeup message frame sent by the wireless access point is 1min, and determines that the time of receiving the wakeup message frame sent by the wireless access point by the secondary communication interface of the client is 16:00:23 at the latest time (last time) from the current moment; and determining that the time length from the current time to the current time is 16:03:24, and 16:00:23 is not less than 3 sending periods, and then determining that the secondary communication interface of the client does not receive the wake-up message frame sent by the access point in the 3 closest sending periods from the current time.
That is, the client may listen to whether the secondary communication interface of the client itself receives the wake-up message frame at the time point at which the wake-up message frame should arrive; and timing can be started from a second time point of receiving the wake-up message frame last time, and once the fact that the secondary communication interface of the secondary communication interface receives the wake-up message frame (including the wake-up message frame sent to the client by the access point according to the convention and the wake-up message frame sent to the client by the access point for informing the client to receive the data frame cached by the access point) is determined, the timer is cleared to zero, and whether the time length recorded by the timer is not less than the set multiple of sending period is monitored in real time.
Optionally, before the client determines that the secondary communication interface of the client does not receive the wake-up message frame sent by the access point within a set multiple of the sending period closest to the current time, the method may further include: the client determines that a main communication interface of the client receives a beacon frame sent by the access point, wherein the beacon frame carries the sending period; and storing the transmission period.
Step 202: and the client controls a main communication interface of the client to send an initial access network connection frame.
Optionally, the controlling the main communication interface of the client to send the initial access network connection frame may specifically include: the client controls a main communication interface of the client to send a re-association request frame to the access point; and/or the client controls the main communication interface of the client to broadcast the detection request frame.
That is, the client may control its own primary communication interface to send a Re-association request frame (Re-association frame) to the associated access point; or, the main communication interface can also be controlled to broadcast a Probe Request frame (Probe Request frame), obtain a network signal according to a Probe Response frame (Probe Response frame) returned by the new access point, and establish an association relationship with the new access point; or, the main communication interface may also be controlled to send the Re-association frame to the associated access point, and then the main communication interface may be controlled to broadcast the Probe Request frame in case of failure of Re-association, which is not described herein again in this embodiment.
In summary, in the wireless access method provided in the embodiment of the present invention, if the client determines that the secondary communication interface of the client does not receive the wake-up message frame sent by the access point in the set multiple sending cycles closest to the current time, the primary communication interface of the client is controlled to send the initial access network connection frame; the access point sends the awakening message frame to the client according to the set starting time point and the determined sending period of the awakening message frame, the awakening message frame is used for awakening a main communication interface of the client, and the sending period is the set time length of the access point which is used for sending the awakening message frame according to the orientation of the client twice continuously. That is to say, a sending period of the wakeup message frame can be agreed between the access point and the client, the access point sends the wakeup message frame to the client every other sending period, and when the client determines that the secondary communication interface of the client does not receive the wakeup message frame in the set multiple sending periods, the client automatically wakes up the primary communication interface of the client to send the wireless access request, so that the situation that the client is always in the condition that the secondary communication interface listens the wakeup message frame and the primary communication interface is powered off and cannot perform data communication when the AP is disconnected with the internet or the client leaves the radiation range of the AP can be avoided.
Example two:
based on the same inventive concept, a second embodiment of the present invention provides a client, where the client may specifically be a smart phone, a tablet computer, a PC, or an internet of things/sensor device, and specifically, as shown in fig. 3, the second embodiment of the present invention provides a schematic structural diagram of the client, and the client may include:
a monitoring unit 301, configured to determine that a secondary communication interface of the client does not receive a wake-up message frame sent by an access point in a set multiple of sending cycles closest to the current time; the wake-up message frame is used for waking up a main communication interface of the client, and the sending period is a set time length for the access point to send the wake-up message frame to the client according to a convention twice continuously;
a control unit 302, configured to control a main communication interface of the client to send an initial access network connection frame.
Optionally, the monitoring unit 301 may be specifically configured to determine that the secondary communication interface of the client receives a wakeup message frame sent by the access point at a first time point t; determining that the secondary communication interface of the client does not receive the wake-up message frame sent by the access point at the time of t + nT; wherein T is the transmission period, N is 1, 2 … N, N is the set multiple, and N is a positive integer.
Further preferably, N may be greater than 2.
Optionally, the monitoring unit 301 may be further specifically configured to determine a second time point when the secondary communication interface of the client receives the wakeup message frame sent by the access point last time; and determining that the time length of the second time point from the current time is not less than the set multiple of the sending period.
Optionally, the monitoring unit 301 is further configured to determine that the primary communication interface of the client receives a beacon frame sent by the access point before determining that the secondary communication interface of the client does not receive a wake-up message frame sent by the access point in a set multiple of sending cycles closest to the current time, where the beacon frame carries the sending cycles;
the client may further include a storage unit (not shown in fig. 3) for storing the transmission period.
Optionally, the control unit 302 may be specifically configured to control a main communication interface of the client to send a reassociation request frame to the access point; and/or controlling a main communication interface of the client to broadcast a probe request frame.
Optionally, the monitoring Unit 301 may be specifically implemented by a CPU (Central Processing Unit), a Microprocessor (Microprocessor), or another control chip, and the control chip may provide an input interface for the secondary communication interface of the client to monitor whether the secondary communication interface of the client receives the wakeup message frame. Further alternatively, the control unit 302 may also be implemented by a CPU, a microprocessor, or another control chip, and when it is determined that the secondary communication interface of the client does not receive the wake-up message frame in a set multiple of the sending period closest to the current time, sends a set control signal to the primary communication interface of the client, so as to control the primary communication interface to send the initial access network connection frame. Optionally, the storage unit may be implemented by a storage device connected to the control chip, and this embodiment is not described herein again.
Correspondingly, the second embodiment of the present invention further provides an access point, where the access point may specifically be an access bridge, a wireless router, or a mobile terminal device with a "hot spot" function. Specifically, as shown in fig. 4, which is a schematic structural diagram of the access point in the second embodiment of the present invention, the access point may include:
a determining unit 401, configured to determine a sending period of a wakeup message frame; the wake-up message frame is used for waking up a main communication interface of the client, and the sending period is a set time length for the access point to send the wake-up message frame twice continuously according to the orientation of the client;
an executing unit 402, configured to send a wakeup message frame to the client according to the set starting time point and the sending period.
Optionally, the executing unit 402 may be further configured to send a beacon frame to the client before sending the wakeup message frame to the client according to the set starting time point and the sending period, where the beacon frame carries the sending period.
Alternatively, the determining unit 401 may be implemented by a CPU, a microprocessor, or another control chip, and the control chip may control the receiver and/or the transmitter of the access point to interact with a client or a server, or access a storage device and/or an input device (e.g., a key, etc.) of the access point to determine the sending period. Further optionally, the execution unit 402 may also be implemented by a CPU, a microprocessor, or another control chip, and the control chip may control the transmitter of the access point to send the wake-up message frame to the client according to the set start time point and the sending period through the set control signal, which is not described herein again.
The second embodiment of the present invention further provides a wireless access system, and specifically, as shown in fig. 5, the wireless access system is a schematic structural diagram of the system in the second embodiment of the present invention, and may include:
an access point 501, configured to determine a sending period of a wakeup message frame; and sending a wakeup message frame to the client 502 according to the set starting time point and the sending period; the wakeup message frame is used to wake up the main communication interface of the client 502, and the sending period is a set time length that the access point 501 sends the wakeup message frame to the client 502 according to a convention two times continuously;
the client 502 is configured to determine that a secondary communication interface of the client 502 does not receive a wake-up message frame sent by the access point 501 in a set multiple of sending cycles closest to the current time; and controlling the primary communication interface of the client 502 to send an initial access network connection frame.
In summary, in the solution provided in the embodiment of the present invention, the access point may determine a sending period of the wake-up message frame, and send the wake-up message frame to the client according to the set starting time point and the sending period; the client can determine that in a set multiple of sending periods closest to the current moment, a secondary communication interface of the client does not receive the awakening message frame sent by the access point, and then a main communication interface of the client is controlled to send an initial access network connection frame; the wake-up message frame is used for waking up a main communication interface of the client, and the sending period is a set time length which is used for the access point to send the wake-up message frame according to the directional client twice continuously. That is to say, a sending period of the wakeup message frame can be agreed between the access point and the client, the access point sends the wakeup message frame to the client every other sending period, and when the client determines that the secondary communication interface of the client does not receive the wakeup message frame in the set multiple sending periods, the client automatically wakes up the primary communication interface of the client to send the wireless access request, so that the situation that the client is always in the condition that the secondary communication interface listens the wakeup message frame and the primary communication interface is powered off and cannot perform data communication when the AP is disconnected with the internet or the client leaves the radiation range of the AP can be avoided.
Furthermore, it is to be understood that any number of elements in the figures and descriptions are to be regarded as illustrative rather than restrictive, and that any nomenclature is used for distinction and not intended to be limiting.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, apparatus (device), or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention has been described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (devices) and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (15)
1. A wireless access method, the method comprising:
the method comprises the steps that a client determines that a secondary communication interface of the client does not receive a wake-up message frame sent by an access point in a set multiple sending period closest to the current moment; the wake-up message frame is used for waking up a main communication interface of the client, and the sending period is a set time length for the access point to send the wake-up message frame to the client according to a convention twice continuously;
and controlling a main communication interface of the client to send an initial access network connection frame.
2. The method of claim 1, wherein the determining, by the client, that the secondary communication interface of the client does not receive the wake-up message frame sent by the access point in a set number of transmission cycles closest to the current time includes:
the client determines that a secondary communication interface of the client receives a wake-up message frame sent by the access point at a first time point t;
determining that a secondary communication interface of the secondary communication interface does not receive a wake-up message frame sent by the access point at the time of t + nT; wherein T is the transmission period, N is 1, 2 … N, N is the set multiple, and N is a positive integer.
3. The method of claim 2, wherein N is greater than 2.
4. The method of claim 1, wherein the determining, by the client, that the secondary communication interface of the client does not receive the wake-up message frame sent by the access point in a set number of transmission cycles closest to the current time includes:
the client determines a second time point when a secondary communication interface of the client receives a wake-up message frame sent by the access point last time;
and determining that the time length of the second time point from the current time is not less than the set multiple of the sending period.
5. The method of claim 1, wherein before a client determines that a secondary communication interface of the client does not receive a wake-up message frame sent by an access point within a set number of transmission cycles closest to a current time, the method further comprises:
the client determines that a main communication interface of the client receives a beacon frame sent by the access point, wherein the beacon frame carries the sending period;
and storing the sending period.
6. The method of claim 1, wherein the controlling the primary communication interface of the client to send an initial access network connection frame specifically comprises:
the client controls a main communication interface of the client to send a re-association request frame to the access point; and/or
And the client controls a main communication interface of the client to broadcast the detection request frame.
7. A wireless access method, the method comprising:
the access point determines the sending period of the wake-up message frame; the wake-up message frame is used for waking up a main communication interface of the client, and the sending period is a set time length for the access point to send the wake-up message frame twice continuously according to the orientation of the client;
the access point sends a wakeup message frame to the client according to the set starting time point and the sending period;
the method comprises the steps that a client determines that a secondary communication interface of the client does not receive a wake-up message frame sent by an access point in a set multiple sending period closest to the current moment;
and controlling a main communication interface of the client to send an initial access network connection frame.
8. The method of claim 7, wherein before sending the wake-up message frame to the client according to the set starting time point and the sending period, the method further comprises:
and the access point sends a beacon frame to the client, wherein the beacon frame carries the sending period.
9. A client, the client comprising:
the monitoring unit is used for determining that the secondary communication interface of the client does not receive the wake-up message frame sent by the access point in a set multiple sending period closest to the current moment; the wake-up message frame is used for waking up a main communication interface of the client, and the sending period is a set time length for the access point to send the wake-up message frame to the client according to a convention twice continuously;
and the control unit is used for controlling the main communication interface of the client to send an initial access network connection frame.
10. The client of claim 9,
the monitoring unit is specifically configured to determine that a secondary communication interface of the client receives a wakeup message frame sent by the access point at a first time point t; determining that the secondary communication interface of the client does not receive the wake-up message frame sent by the access point at the time of t + nT; wherein T is the transmission period, N is 1, 2 … N, N is the set multiple, and N is a positive integer.
11. The client of claim 10, wherein N is greater than 2.
12. The client of claim 9,
the monitoring unit is specifically configured to determine a second time point at which a secondary communication interface of the client receives a wake-up message frame sent by the access point last time; and determining that the time length of the second time point from the current time is not less than the set multiple of the sending period.
13. The client of claim 9,
the monitoring unit is further configured to determine that a primary communication interface of the client receives a beacon frame sent by an access point before determining that a secondary communication interface of the client does not receive a wakeup message frame sent by the access point in a set multiple of sending periods closest to the current time, where the beacon frame carries the sending periods;
the client further comprises a storage unit used for storing the sending period.
14. The client of claim 9,
the control unit is specifically configured to control a main communication interface of the client to send a reassociation request frame to the access point; and/or controlling a main communication interface of the client to broadcast a probe request frame.
15. A wireless access system, the system comprising an access point and a client, wherein:
the access point is used for determining the sending period of the wake-up message frame; sending a wakeup message frame to the client according to the set starting time point and the sending period; the wake-up message frame is used for waking up a main communication interface of the client, and the sending period is a set time length for the access point to send the wake-up message frame to the client according to a convention twice continuously;
the client is used for determining that a secondary communication interface of the client does not receive the wake-up message frame sent by the access point in a set multiple sending period closest to the current moment; and controlling a main communication interface of the client to send an initial access network connection frame.
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