CN114650625A - working mode determination method, device, equipment and storage medium of wifi receiver - Google Patents

working mode determination method, device, equipment and storage medium of wifi receiver Download PDF

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Publication number
CN114650625A
CN114650625A CN202210269310.8A CN202210269310A CN114650625A CN 114650625 A CN114650625 A CN 114650625A CN 202210269310 A CN202210269310 A CN 202210269310A CN 114650625 A CN114650625 A CN 114650625A
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CN
China
Prior art keywords
wifi receiver
analysis result
wifi
mode
determining
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Pending
Application number
CN202210269310.8A
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Chinese (zh)
Inventor
李鑫
王修壮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Agco Micro Semiconductor Shanghai Co ltd
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Agco Micro Semiconductor Shanghai Co ltd
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Priority to CN202210269310.8A priority Critical patent/CN114650625A/en
Publication of CN114650625A publication Critical patent/CN114650625A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Abstract

The embodiment of the invention provides a method, a device, equipment and a storage medium for determining a working mode of a wifi receiver. According to the method for determining the working mode of the wireless internet access wifi receiver, the wifi receiver is configured to be a preset receiving mode, the preset receiving mode is a receiving mode which accords with an 802.11b protocol and has a transmission rate of 1Mbps at a 2.4GHz frequency band, and the method comprises the following steps: receiving a beacon frame which is sent by an access point AP and corresponds to a preset receiving mode based on a preset period; analyzing a notification indication message TIM or a transmission notification indication message DTIM in the beacon frame to obtain an analysis result; and executing sleep operation or awakening operation on the wifi receiver according to the analysis result. According to the method, the device, the equipment and the storage medium for determining the working mode of the wifi receiver, the power consumption of the wifi receiver can be reduced.

Description

working mode determination method, device, equipment and storage medium of wifi receiver
Technical Field
The invention belongs to the technical field of work mode determination of wireless internet access receivers, and particularly relates to a work mode determination method and device of a wireless internet access (wifi) receiver, electronic equipment and a computer storage medium.
Background
With the continuous update of the wifi standard, wifi receivers are more and more complex, and multiple beacon (beacon) frames which accord with corresponding communication protocols exist in a 2.4GHz frequency band. When the wifi receiver receives these beacon frames, power consumption is large.
Therefore, how to reduce the power consumption of the wifi receiver is a technical problem that needs to be solved urgently by those skilled in the art.
Disclosure of Invention
The embodiment of the invention provides a method and a device for determining a working mode of a wifi receiver, an electronic device and a computer storage medium, which can reduce the power consumption of the wifi receiver.
In a first aspect, an embodiment of the present invention provides a method for determining a working mode of a wifi receiver, where the wifi receiver is configured to be a preset receiving mode, the preset receiving mode is a receiving mode that conforms to an 802.11b protocol and has a transmission rate of 1Mbps in a 2.4GHz band, and the method includes:
receiving a beacon (beacon) frame which is sent by an Access Point (AP) and corresponds to a preset receiving mode based on a preset period;
analyzing a notification Indication Message (TIM) or a Delivery notification Indication Message (DTIM) in the beacon frame to obtain an analysis result;
and executing sleep operation or awakening operation on the wifi receiver according to the analysis result.
Optionally, according to the parsing result, performing a sleep operation or a wake-up operation on the wifi receiver includes:
and when the analysis result indicates that the target data to be sent exist in the AP, performing awakening operation on the wifi receiver according to the analysis result.
Optionally, after the wifi receiver is awakened, the method further includes:
sending a data acquisition request aiming at target data to the AP;
and receiving target data sent by the AP in response to the data acquisition request.
Optionally, according to the parsing result, performing a sleep operation or a wake-up operation on the wifi receiver includes:
and when the analysis result indicates that the AP does not have target data to be sent, executing the dormancy operation on the wifi receiver according to the analysis result.
In a second aspect, an embodiment of the present invention provides a device for determining a working mode of a wifi receiver for wireless internet access, where the wifi receiver is configured to be a preset receiving mode, the preset receiving mode is a receiving mode that conforms to an 802.11b protocol and has a transmission rate of 1Mbps in a 2.4GHz band, and the device includes:
the first receiving module is used for receiving a beacon frame which is sent by an access point AP and corresponds to a preset receiving mode based on a preset period;
the analysis module is used for analyzing a notification indication message TIM or a transmission notification indication message DTIM in the beacon frame to obtain an analysis result;
and the operation execution module is used for executing the sleep operation or the awakening operation on the wifi receiver according to the analysis result.
Optionally, the operation executing module includes:
and the first operation execution unit is used for executing awakening operation on the wifi receiver according to the analysis result when the analysis result indicates that the target data to be sent exists in the AP.
Optionally, after the wifi receiver is awakened, the apparatus further includes:
a sending module, configured to send a data acquisition request for target data to an AP;
and a second receiving module, configured to receive target data sent by the AP in response to the data acquisition request.
Optionally, the operation executing module includes:
and the second operation execution unit is used for executing the dormancy operation on the wifi receiver according to the analysis result when the analysis result indicates that the target data to be sent does not exist in the AP.
In a third aspect, an embodiment of the present invention provides an electronic device, where the electronic device includes:
a processor and a memory storing computer program instructions;
the processor implements the method for determining the operating mode of the wireless internet wifi receiver in the first aspect or any optional implementation manner of the first aspect when executing the computer program instructions.
In a fourth aspect, an embodiment of the present invention provides a computer storage medium, where computer program instructions are stored on the computer storage medium, and when the computer program instructions are executed by a processor, the method for determining a working mode of a wifi receiver over a wireless internet access in the first aspect or any optional implementation manner of the first aspect is implemented.
The working mode determining method and device of the wifi receiver, the electronic device and the computer storage medium can reduce power consumption of the wifi receiver. The working mode determining method of the wifi receiver receives beacon frames which are sent by an AP and correspond to a preset receiving mode based on a preset period; analyzing TIM or DTIM in the beacon frame to obtain an analysis result; and executing sleep operation or awakening operation on the wifi receiver according to the analysis result. The preset receiving mode is a receiving mode which accords with an 802.11b protocol and has a transmission rate of 1Mbps in a 2.4GHz frequency band. Therefore, the wifi receiver in the method is configured to be in the preset receiving mode, so that only the beacon frame corresponding to the preset receiving mode can be received, that is, only the beacon frame which conforms to the 802.11b protocol and has the transmission rate of 1Mbps is received, and therefore, the power consumption of the wifi receiver can be reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic flowchart of a method for determining an operating mode of a wifi receiver according to an embodiment of the present invention;
fig. 2 is a schematic diagram illustrating switching of receiving modes of a wifi receiver according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an operation mode determining apparatus of a wifi receiver according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
Features and exemplary embodiments of various aspects of the present invention will be described in detail below, and in order to make objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It will be apparent to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the present invention by illustrating examples of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
With the continuous update of the wifi standard, wifi receivers are more and more complex, and multiple beacon (beacon) frames which accord with corresponding communication protocols exist in a 2.4GHz frequency band. When the wifi receiver receives these beacon frames, power consumption is large.
In order to solve the problem of the prior art, embodiments of the present invention provide a method and an apparatus for determining a working mode of a wifi receiver, an electronic device, and a computer storage medium. First, a method for determining an operating mode of a wifi receiver provided in an embodiment of the present invention is described below.
Fig. 1 is a schematic flowchart illustrating a method for determining an operating mode of a wifi receiver according to an embodiment of the present invention, where the wifi receiver is configured to be a preset receiving mode, and the preset receiving mode is a receiving mode that conforms to an 802.11b protocol and has a transmission rate of 1Mbps in a 2.4GHz band. As shown in fig. 1, the method for determining the operation mode of the wifi receiver may include the following steps:
s101, receiving beacon frames which are sent by the AP and correspond to a preset receiving mode based on a preset period.
And S102, analyzing TIM or DTIM in the beacon frame to obtain an analysis result.
S103, according to the analysis result, performing sleep operation or awakening operation on the wifi receiver.
In one embodiment, according to the parsing result, performing a sleep operation or a wake-up operation on the wifi receiver includes:
and when the analysis result indicates that the target data to be sent exist in the AP, performing awakening operation on the wifi receiver according to the analysis result.
In one embodiment, after performing the wake-up operation on the wifi receiver, the method further comprises:
sending a data acquisition request aiming at target data to the AP;
and receiving target data sent by the AP in response to the data acquisition request.
In one embodiment, according to the parsing result, performing a sleep operation or a wake-up operation on the wifi receiver includes:
and when the analysis result indicates that the AP does not have target data to be sent, executing the dormancy operation on the wifi receiver according to the analysis result.
The working mode determining method of the wifi receiver receives beacon frames which are sent by an AP and correspond to a preset receiving mode based on a preset period; analyzing TIM or DTIM in the beacon frame to obtain an analysis result; and executing sleep operation or awakening operation on the wifi receiver according to the analysis result. The preset receiving mode is a receiving mode which accords with an 802.11b protocol and has a transmission rate of 1Mbps in a 2.4GHz frequency band. Therefore, the wifi receiver in the method is configured to be in the preset receiving mode, so that only the beacon frame corresponding to the preset receiving mode can be received, that is, only the beacon frame which conforms to the 802.11b protocol and has the transmission rate of 1Mbps is received, and therefore, the power consumption of the wifi receiver can be reduced. According to the method, only the 2.4GHz 11b 1M receiving mode of the wifi receiver is switched on, and other receiving modes except for 11b 1M are switched off, so that the power consumption of the wifi receiver can be reduced.
In one embodiment, after the 2.4GHz 11b 1M receiving mode of the wifi receiver is turned on, the wifi receiver can also be switched to the full receiving mode. As shown in fig. 2, after the 2.4GHz 11b 1M receiving mode of the wifi receiver is turned on, when it is determined that TIM or DTIM is valid, the wifi receiver may switch to the 2.4GHz full receiving mode. Accordingly, the sleep mode can be also performed in the 2.4GHz full receiving mode, and the 2.4GHz 11b 1M receiving mode is switched to.
As shown in fig. 3, an embodiment of the present invention further provides an apparatus for determining an operating mode of a wifi receiver, where the wifi receiver is configured to be a preset receiving mode, the preset receiving mode is a receiving mode that conforms to an 802.11b protocol and has a transmission rate of 1Mbps in a 2.4GHz band, and the apparatus includes:
a first receiving module 301, configured to receive, based on a preset period, a beacon frame that is sent by an access point AP and corresponds to a preset receiving mode;
the parsing module 302 is configured to parse a notification indication message TIM or a delivery notification indication message DTIM in the beacon frame to obtain a parsing result;
and the operation executing module 303 is configured to execute a sleep operation or a wake-up operation on the wifi receiver according to the parsing result.
Optionally, in an embodiment, the operation executing module 303 includes:
and the first operation execution unit is used for executing awakening operation on the wifi receiver according to the analysis result when the analysis result indicates that the target data to be sent exists in the AP.
Optionally, in an embodiment, after performing the wake-up operation on the wifi receiver, the apparatus further includes:
a sending module, configured to send a data acquisition request for target data to an AP;
and a second receiving module, configured to receive target data sent by the AP in response to the data obtaining request.
Optionally, in an embodiment, the operation executing module 303 includes:
and the second operation execution unit is used for executing the dormancy operation on the wifi receiver according to the analysis result when the analysis result indicates that the target data to be sent does not exist in the AP.
Each module in the apparatus shown in fig. 3 has a function of implementing each step in fig. 1, and can achieve the corresponding technical effect, and for brevity, is not described again here.
Fig. 4 shows a schematic structural diagram of an electronic device according to an embodiment of the present invention.
The electronic device may include a processor 401 and a memory 402 storing computer program instructions.
Specifically, the processor 401 may include a Central Processing Unit (CPU), an Application Specific Integrated Circuit (ASIC), or one or more Integrated circuits configured to implement the embodiments of the present invention.
Memory 402 may include mass storage for data or instructions. By way of example, and not limitation, memory 402 may include a Hard Disk Drive (HDD), floppy Disk Drive, flash memory, optical Disk, magneto-optical Disk, tape, or Universal Serial Bus (USB) Drive or a combination of two or more of these. In one example, memory 402 may include removable or non-removable (or fixed) media, or memory 402 is non-volatile solid-state memory. The memory 402 may be internal or external to the electronic device.
In one example, the Memory 402 may be a Read Only Memory (ROM). In one example, the ROM may be mask programmed ROM, programmable ROM (prom), erasable prom (eprom), electrically erasable prom (eeprom), electrically rewritable ROM (earom), or flash memory, or a combination of two or more of these.
The processor 401 reads and executes the computer program instructions stored in the memory 402 to implement the method in the embodiment shown in fig. 1, and achieve the corresponding technical effects achieved by the embodiment shown in fig. 1 executing the method/step thereof, which are not described herein again for brevity.
In one example, the electronic device may also include a communication interface 403 and a bus 410. As shown in fig. 4, the processor 401, the memory 402, and the communication interface 403 are connected via a bus 410 to complete communication therebetween.
The communication interface 403 is mainly used for implementing communication between modules, apparatuses, units and/or devices in the embodiments of the present invention.
Bus 410 includes hardware, software, or both to couple the components of the electronic device to each other. By way of example, and not limitation, a Bus may include an Accelerated Graphics Port (AGP) or other Graphics Bus, an Enhanced Industry Standard Architecture (EISA) Bus, a Front-Side Bus (Front Side Bus, FSB), a Hyper Transport (HT) interconnect, an Industry Standard Architecture (ISA) Bus, an infiniband interconnect, a Low Pin Count (LPC) Bus, a memory Bus, a Micro Channel Architecture (MCA) Bus, a Peripheral Component Interconnect (PCI) Bus, a PCI-Express (PCI-X) Bus, a Serial Advanced Technology Attachment (SATA) Bus, a video electronics standards association local (VLB) Bus, or other suitable Bus or a combination of two or more of these. Bus 410 may include one or more buses, where appropriate. Although specific buses have been described and illustrated with respect to embodiments of the invention, any suitable buses or interconnects are contemplated by the invention.
In addition, embodiments of the present invention may be implemented by providing a computer storage medium. The computer storage medium having computer program instructions stored thereon; the computer program instructions, when executed by the processor, implement the method for determining an operating mode of a wireless internet wifi receiver shown in fig. 1.
It is to be understood that the invention is not limited to the specific arrangements and instrumentality described above and shown in the drawings. A detailed description of known methods is omitted herein for the sake of brevity. In the above embodiments, several specific steps are described and shown as examples. However, the method processes of the present invention are not limited to the specific steps described and illustrated, and those skilled in the art can make various changes, modifications and additions or change the order between the steps after comprehending the spirit of the present invention.
The functional blocks shown in the above-described structural block diagrams may be implemented as hardware, software, firmware, or a combination thereof. When implemented in hardware, it may be, for example, an electronic Circuit, an Application Specific Integrated Circuit (ASIC), suitable firmware, plug-in, function card, or the like. When implemented in software, the elements of the invention are the programs or code segments used to perform the required tasks. The program or code segments can be stored in a machine-readable medium or transmitted by a data signal carried in a carrier wave over a transmission medium or a communication link. A "machine-readable medium" may include any medium that can store or transfer information. Examples of a machine-readable medium include electronic circuits, semiconductor memory devices, ROM, flash memory, Erasable ROM (EROM), floppy disks, CD-ROMs, optical disks, hard disks, fiber optic media, Radio Frequency (RF) links, and so forth. The code segments may be downloaded via computer networks such as the internet, intranet, etc.
It should also be noted that the exemplary embodiments mentioned in this patent describe some methods or systems based on a series of steps or devices. However, the present invention is not limited to the order of the above-described steps, that is, the steps may be performed in the order mentioned in the embodiments, may be performed in an order different from the order in the embodiments, or may be performed simultaneously.
As described above, only the specific embodiments of the present invention are provided, and it can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the system, the module and the unit described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again. It should be understood that the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive various equivalent modifications or substitutions within the technical scope of the present invention, and these modifications or substitutions should be covered within the scope of the present invention.

Claims (10)

1. The utility model provides a working mode determining method of wireless internet wifi receiver, its characterized in that, wifi receiver is configured to predetermine the receiving mode, predetermine the receiving mode and be in line with 802.11b agreement, and the transmission rate in 2.4GHz frequency channel is the receiving mode of 1Mbps, the method includes:
receiving a beacon frame which is sent by an Access Point (AP) and corresponds to a preset receiving mode based on a preset period;
analyzing a notification indication message TIM or a transmission notification indication message DTIM in the beacon frame to obtain an analysis result;
and executing sleep operation or awakening operation on the wifi receiver according to the analysis result.
2. The method for determining the working mode of the wifi receiver over the internet according to claim 1, wherein the performing the sleep operation or the wake-up operation on the wifi receiver according to the parsing result comprises:
and when the analysis result indicates that the target data to be sent exist in the AP, executing the awakening operation on the wifi receiver according to the analysis result.
3. The method for determining the working mode of the wifi receiver over the internet according to claim 2, wherein after the wake-up operation is performed on the wifi receiver, the method further comprises:
sending a data acquisition request aiming at the target data to the AP;
and receiving the target data sent by the AP in response to the data acquisition request.
4. The method for determining the working mode of the wifi receiver over the internet according to claim 1, wherein the performing the sleep operation or the wake-up operation on the wifi receiver according to the parsing result comprises:
and when the analysis result indicates that the AP does not have target data to be sent, executing the dormant operation on the wifi receiver according to the analysis result.
5. The utility model provides a device is confirmed to mode of operation of wireless internet wifi receiver, its characterized in that, wifi receiver is configured to predetermine the receiving mode, predetermine the receiving mode for being accorded with 802.11b agreement, and the transmission rate in 2.4GHz frequency channel is 1 Mbps's receiving mode, the device includes:
a first receiving module, configured to receive, based on a preset period, a beacon frame sent by an access point AP and corresponding to the preset receiving mode;
the analysis module is used for analyzing a notification indication message TIM or a transmission notification indication message DTIM in the beacon frame to obtain an analysis result;
and the operation execution module is used for executing the dormancy operation or the awakening operation on the wifi receiver according to the analysis result.
6. The device for determining the operating mode of the wifi wireless internet access receiver according to claim 5, wherein the operation executing module includes:
and the first operation execution unit is used for executing the awakening operation on the wifi receiver according to the analysis result when the analysis result indicates that the target data to be sent exists in the AP.
7. The apparatus for determining an operating mode of a wifi receiver over a wireless internet according to claim 6, wherein after the wake-up operation is performed on the wifi receiver, the apparatus further comprises:
a sending module, configured to send a data acquisition request for the target data to the AP;
a second receiving module, configured to receive the target data sent by the AP in response to the data obtaining request.
8. The device for determining the operating mode of the wifi wireless internet access receiver according to claim 5, wherein the operation executing module includes:
and the second operation execution unit is used for executing the dormancy operation on the wifi receiver according to the analysis result when the analysis result indicates that the target data to be sent does not exist in the AP.
9. An electronic device, characterized in that the electronic device comprises: a processor, and a memory storing computer program instructions;
the processor reads and executes the computer program instructions to implement the method for determining the operation mode of the wifi wireless internet access receiver according to any one of claims 1 to 4.
10. A computer storage medium, characterized in that the computer storage medium has stored thereon computer program instructions, which when executed by a processor, implement the method for determining an operating mode of a wifi receiver over wireless internet access of any of claims 1-4.
CN202210269310.8A 2022-03-18 2022-03-18 working mode determination method, device, equipment and storage medium of wifi receiver Pending CN114650625A (en)

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US20120182915A1 (en) * 2007-03-13 2012-07-19 Conexant Systems, Inc. Systems and Methods for Receiving Data at an Access Point
US20170325169A1 (en) * 2016-05-06 2017-11-09 Qualcomm Incorporated Power fallback wireless local area network receiver
CN107889199A (en) * 2016-09-30 2018-04-06 华为技术有限公司 A kind of state transition method and device
US20180242247A1 (en) * 2017-02-17 2018-08-23 Fci Inc Changing method from sleep mode to awake mode in wifi system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070248034A1 (en) * 2006-04-25 2007-10-25 Mediatek Inc. Method for controlling a station and station using the same
US20080181156A1 (en) * 2007-01-31 2008-07-31 Ecclesine Peter W Speculative power save
US20120182915A1 (en) * 2007-03-13 2012-07-19 Conexant Systems, Inc. Systems and Methods for Receiving Data at an Access Point
US20170325169A1 (en) * 2016-05-06 2017-11-09 Qualcomm Incorporated Power fallback wireless local area network receiver
CN107889199A (en) * 2016-09-30 2018-04-06 华为技术有限公司 A kind of state transition method and device
US20180242247A1 (en) * 2017-02-17 2018-08-23 Fci Inc Changing method from sleep mode to awake mode in wifi system

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