CN114828075B - Wireless perception measurement control method, device, equipment and storage medium - Google Patents
Wireless perception measurement control method, device, equipment and storage medium Download PDFInfo
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Abstract
The application discloses a wireless sensing measurement control method, a device, equipment and a storage medium. The method comprises the following steps: the access point sends a first trigger message to the first terminal and the second terminal; after receiving the first trigger message, the first terminal sends a sensing data packet; after receiving the first trigger message, the second terminal receives the sensing data packet and measures and obtains wireless channel information between the first terminal and the second terminal; the access point receives the sensing data packet and obtains wireless channel information between the access point and the first terminal according to the received sensing data packet; the access point acquires wireless channel information between the second terminal and the first terminal, which is obtained by the measurement of the second terminal. According to the method and the device, the plurality of terminals are controlled to participate in wireless sensing measurement through the triggering message, so that information of a plurality of wireless channels taking the terminal as a center can be obtained in the wireless sensing measurement, the accuracy and the precision of sensing results are improved, and the user experience is improved.
Description
Technical Field
The present disclosure relates to the field of wireless communications, and in particular, to a method, an apparatus, a device, and a storage medium for controlling wireless sensing measurement.
Background
Wi-Fi sensing technology is a new technology that can use existing Wi-Fi signals to perform motion detection, gesture recognition, and biometric measurements based on existing Wi-Fi networks and devices. In Wi-Fi sensing, changes in the environment caused by movements of objects, pets, and people are detected by using CSI (channel state information) based or Radar (Radar) based means without requiring the detected object to wear any device.
Through implementation of Wi-Fi sending, more intelligent and richer applications can be provided in the fields of intelligent home, intrusion detection, medical care, intelligent remote nursing and the like.
Disclosure of Invention
In the wireless sensing process, sensing signals are generally sent and received between devices which are connected to each other to perform wireless sensing measurement, so that channel state information between the two devices is obtained to judge events needing sensing, such as between a mobile phone and a wireless router, between a television and the wireless router, between projection and the wireless router, and the like. However, since the existing Wi-Fi architecture is mostly centered on a wireless router (such as an access point AP), when an application on a certain terminal device needs to perform wireless sensing measurement, a sensing result can only be generally calculated according to sensing signals between the terminal and the AP, and single channel state information often has problems of low detection accuracy and low detection precision. In view of this, the present application provides a wireless sensing measurement control method, apparatus, device and storage medium.
In a first aspect, the present application provides a wireless sensing measurement control method, including:
the method comprises the steps of sending a first trigger message to a first terminal and a second terminal, wherein the first trigger message is used for indicating the terminal to send a perception data packet or is used for indicating wireless perception measurement operation between wireless perception measurement process responders, the first trigger message indicates the first terminal to serve as a sender for executing the wireless perception measurement operation between the wireless perception measurement process responders, and indicates the second terminal to serve as a receiver for executing the wireless perception measurement operation between the wireless perception measurement process responders;
receiving a sensing data packet sent by a first terminal, and measuring and obtaining wireless channel information between the sensing data packet and the first terminal according to the received sensing data packet;
and acquiring wireless channel information between the second terminal and the first terminal, which is obtained by the measurement of the second terminal.
In one embodiment, the acquiring the wireless channel information between the second terminal and the first terminal, which is obtained by measuring by the second terminal, includes:
sending a second trigger message to a second terminal, wherein the second trigger message is used for indicating the terminal to send a wireless sensing measurement report;
and receiving a wireless sensing measurement report sent by the second terminal, wherein the wireless sensing measurement report comprises the identification of the terminal sending the sensing data packet to the second terminal.
In one embodiment, before the sending the first trigger message to the first terminal and the second terminal, the method further includes:
transmitting a first wireless sensing measurement establishment request message to a first terminal, wherein the first wireless sensing measurement establishment request message indicates the first terminal as a sender of a sensing data packet;
receiving a first wireless sensing measurement establishment response message sent by a first terminal, wherein the first wireless sensing measurement establishment response message indicates that the wireless sensing measurement process is approved to be executed;
transmitting a second wireless sensing measurement establishment request message to a second terminal, wherein the second wireless sensing measurement establishment request message indicates the second terminal as a receiver of a sensing data packet;
and receiving a second wireless sensing measurement establishment response message sent by the second terminal, wherein the second wireless sensing measurement establishment response message indicates that the wireless sensing measurement process is approved to be executed.
In one embodiment, before the sending the first trigger message to the first terminal and the second terminal, the method further includes:
receiving a message which is sent by a first terminal and a second terminal and contains an instruction for supporting wireless sensing measurement operation between wireless sensing measurement process respondents;
And sending a message containing an indication supporting the wireless sensing measurement operation performed between wireless sensing measurement process responders to the first terminal and the second terminal.
In one embodiment, before the sending the first trigger message to the first terminal and the second terminal, the method further includes:
receiving an agent perception request message sent by a first terminal or a second terminal or a third terminal;
and sending a proxy perception response message to the first terminal or the second terminal or the third terminal, wherein the proxy perception response message indicates that the proxy wireless perception process is approved to be executed.
In a second aspect, the present application provides a wireless sensing measurement control method, applied to a first terminal, including:
receiving a first trigger message sent by an access point, wherein the first trigger message is used for indicating a terminal to send a sensing data packet or is used for indicating a wireless sensing measurement process responder to execute wireless sensing measurement operation, the first trigger message indicates a first terminal to serve as a sender for executing the wireless sensing measurement operation between the wireless sensing measurement process responders, and indicates a second terminal to serve as a receiver for executing the wireless sensing measurement operation between the wireless sensing measurement process responders;
And sending the perception data packet to the access point and the second terminal.
In one embodiment, before the receiving the first trigger message sent by the access point, the method further includes:
receiving a first wireless sensing measurement establishment request message sent by an access point, wherein the first wireless sensing measurement establishment request message indicates a first terminal as a sender of a sensing data packet;
and sending a first wireless sensing measurement establishment response message to the access point, wherein the first wireless sensing measurement establishment response message indicates that the wireless sensing measurement process is approved to be executed.
In one embodiment, before the receiving the first trigger message sent by the access point, the method further includes:
transmitting a message containing an indication supporting the execution of the wireless sensing measurement operation between the wireless sensing measurement process responders to the access point;
and receiving a message which is sent by the access point and contains an indication supporting wireless sensing measurement operation between wireless sensing measurement process responders.
In one embodiment, before the receiving the first trigger message sent by the access point, the method further includes:
sending a proxy perception request message to an access point, and requesting the access point to execute a proxy wireless perception process;
and receiving a proxy perception response message sent by the access point, wherein the proxy perception response message indicates that the proxy wireless perception process is approved to be executed.
In a third aspect, the present application provides a wireless sensing measurement control method, applied to a second terminal, including:
receiving a first trigger message sent by an access point, wherein the first trigger message is used for indicating a terminal to send a sensing data packet or is used for indicating a wireless sensing measurement process responder to execute wireless sensing measurement operation, the first trigger message indicates a first terminal to serve as a sender for executing the wireless sensing measurement operation between the wireless sensing measurement process responders, and indicates a second terminal to serve as a receiver for executing the wireless sensing measurement operation between the wireless sensing measurement process responders;
receiving a sensing data packet sent by a first terminal, and measuring and obtaining wireless channel information between a second terminal and the first terminal according to the received sensing data packet;
and sending a wireless sensing measurement report to an access point, wherein the wireless sensing measurement report comprises wireless channel information between the second terminal and the first terminal.
In one embodiment, the wireless sensing measurement report further includes an identification of the terminal that transmits the sensing data packet to the second terminal.
In one embodiment, before the receiving the first trigger message sent by the access point, the method further includes:
Receiving a second wireless sensing measurement establishment request message sent by an access point, wherein the second wireless sensing measurement establishment request message indicates a second terminal as a receiver of a sensing data packet;
and sending a second wireless sensing measurement establishment response message to the access point, wherein the second wireless sensing measurement establishment response message indicates that the wireless sensing measurement process is approved to be executed.
In one embodiment, before the receiving the first trigger message sent by the access point, the method further includes:
transmitting a message containing an indication supporting the execution of the wireless sensing measurement operation between the wireless sensing measurement process responders to the access point;
and receiving a message which is sent by the access point and contains an indication supporting wireless sensing measurement operation between wireless sensing measurement process responders.
In one embodiment, before the receiving the first trigger message sent by the access point, the method further includes:
sending a proxy perception request message to an access point, and requesting the access point to execute a proxy wireless perception process;
and receiving a proxy perception response message sent by the access point, wherein the proxy perception response message indicates that the proxy wireless perception process is approved to be executed.
In a fourth aspect, the present application provides a wireless sensing measurement control device, including a wireless sensing measurement module, where the wireless sensing measurement module is configured to perform the following steps:
The method comprises the steps of sending a first trigger message to a first terminal and a second terminal, wherein the first trigger message is used for indicating the terminal to send a perception data packet or is used for indicating wireless perception measurement operation between wireless perception measurement process responders, the first trigger message indicates the first terminal to serve as a sender for executing the wireless perception measurement operation between the wireless perception measurement process responders, and indicates the second terminal to serve as a receiver for executing the wireless perception measurement operation between the wireless perception measurement process responders;
receiving a sensing data packet sent by a first terminal, and measuring and obtaining wireless channel information between the sensing data packet and the first terminal according to the received sensing data packet;
and acquiring wireless channel information between the second terminal and the first terminal, which is obtained by the measurement of the second terminal.
In one embodiment, the acquiring the wireless channel information between the second terminal and the first terminal, which is obtained by measuring by the second terminal, includes:
sending a second trigger message to a second terminal, wherein the second trigger message is used for indicating the terminal to send a wireless sensing measurement report;
and receiving a wireless sensing measurement report sent by the second terminal, wherein the wireless sensing measurement report comprises the identification of the terminal sending the sensing data packet to the second terminal.
In a fifth aspect, the present application provides a wireless sensing measurement control device, applied to a first terminal, including a wireless sensing measurement module, where the wireless sensing measurement module is configured to perform the following steps:
receiving a first trigger message sent by an access point, wherein the first trigger message is used for indicating a terminal to send a sensing data packet or is used for indicating a wireless sensing measurement process responder to execute wireless sensing measurement operation, the first trigger message indicates a first terminal to serve as a sender for executing the wireless sensing measurement operation between the wireless sensing measurement process responders, and indicates a second terminal to serve as a receiver for executing the wireless sensing measurement operation between the wireless sensing measurement process responders;
and sending the perception data packet to the access point and the second terminal.
In a sixth aspect, the present application provides a wireless sensing measurement control device, applied to a second terminal, including a wireless sensing measurement module, where the wireless sensing measurement module is configured to perform the following steps:
receiving a first trigger message sent by an access point, wherein the first trigger message is used for indicating a terminal to send a sensing data packet or is used for indicating a wireless sensing measurement process responder to execute wireless sensing measurement operation, the first trigger message indicates a first terminal to serve as a sender for executing the wireless sensing measurement operation between the wireless sensing measurement process responders, and indicates a second terminal to serve as a receiver for executing the wireless sensing measurement operation between the wireless sensing measurement process responders;
Receiving a sensing data packet sent by a first terminal, and measuring and obtaining wireless channel information between a second terminal and the first terminal according to the received sensing data packet;
and sending a wireless sensing measurement report to an access point, wherein the wireless sensing measurement report comprises wireless channel information between the second terminal and the first terminal.
In one embodiment, the wireless sensing measurement report further includes an identification of the terminal that transmits the sensing data packet to the second terminal.
In a seventh aspect, the present application provides an electronic device comprising a memory, a processor and a computer program stored on the memory, the processor executing the computer program to implement the method of any one of the first to third aspects.
In an eighth aspect, the present application provides a computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the method of any one of the first to third aspects.
In a ninth aspect, the present application provides a computer program product comprising instructions which, when executed by a processor, implement the method of any one of the first to third aspects.
In a tenth aspect, the present application provides a communication system, where the communication system includes an access point, a first terminal and a second terminal, where the first terminal and the second terminal are both connected to the access point, and the access point is configured to perform the method in the first aspect, the first terminal is configured to perform the method in the second aspect, and the second terminal is configured to perform the method in the third aspect.
It should be noted that, the apparatus according to the fourth aspect is used to implement the method according to the first aspect, the apparatus according to the fifth aspect is used to implement the method according to the second aspect, the apparatus according to the sixth aspect is used to implement the method according to the first aspect, the electronic device according to the seventh aspect, the storage medium according to the eighth aspect, and the computer program product according to the ninth aspect are used to implement the method according to any one of the first to third aspects, so that the same advantages as those of the first, second, or third aspects can be achieved, and the embodiments of the present application will not be repeated.
According to the method and the device, the plurality of terminals are controlled to participate in wireless sensing measurement through the triggering message, so that information of a plurality of wireless channels taking the terminal as a center can be obtained in the wireless sensing measurement, the accuracy and the precision of sensing results are improved, and the user experience is improved.
Drawings
Fig. 1 is a schematic structural diagram of a communication system according to an embodiment of the present application;
fig. 2 is a schematic diagram of a wireless sensing measurement control method according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
In order to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below, and it is obvious that the described embodiments are only some embodiments of the present application, not all embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application. While the disclosure has been presented in terms of an exemplary embodiment or embodiments, it should be appreciated that the various aspects of the disclosure can be individually identified as a complete set of aspects. The following embodiments and features of the embodiments may be combined with each other without conflict.
In the embodiments of the present application, "at least one" means one or more, and "a plurality" means two or more. In order to clearly describe the technical solutions of the embodiments of the present application, in the embodiments of the present application, the words "first," "second," etc. are used to distinguish identical items or similar items having substantially the same function and effect, and those skilled in the art will understand that the words "first," "second," etc. do not limit the number and execution order, but merely illustrate and distinguish between the objects to be described, without dividing the order, and without indicating that the number of devices in the embodiments of the present application is not particularly limited, and cannot constitute any limitation to the embodiments of the present application.
In the wireless sensing measurement process, a wireless sensing measurement process initiator initiates a wireless sensing measurement process, a wireless sensing measurement process responder responds to the wireless sensing measurement process, and after the roles, parameters and the like of sending and receiving the sensing data packet are coordinated by the two parties, the wireless sensing measurement process starts to be executed.
Fig. 1 is a schematic structural diagram of a communication system according to an embodiment of the present application. As shown in fig. 1, the communication system includes an access point AP1, a terminal STA2, and a terminal STA3, wherein the terminal STA1, the terminal STA2, and the terminal STA3 are all connected to the access point AP 1. It should be understood that fig. 1 is only a schematic architecture of a communication system, and the number of access points and the number of terminals in the communication system are not limited in this embodiment of the present application. Those skilled in the art will appreciate that the term "Access Point (AP)" in accordance with the principles and functions described herein may also be used to describe an access port or any other device capable of receiving and transmitting wireless signals within a network architecture, and thus, the use of an access point is merely exemplary.
In the communication system shown in fig. 1, the embodiment of the present application assumes that AP1 is an initiator of the wireless sensing measurement procedure, and STA1 and STA2 are responders of the wireless sensing measurement procedure. It should be noted that, the embodiments of the present application are only described by taking two wireless sensing measurement process responders as examples, but the embodiments of the present application are not limited to two wireless sensing measurement process responders, and may also include three or more wireless sensing measurement process responders, and the operations of the three or more wireless sensing measurement process responders may refer to the operations of the two wireless sensing measurement process responders, and the embodiments of the present application will not be described in detail. Fig. 2 is a flowchart of a wireless sensing measurement control method according to an embodiment of the present application, where, as shown in fig. 2, the wireless sensing measurement control method includes the following contents:
201. The AP1 sends a first trigger message (such as a trigger frame message) to the STA1 and the STA2, where the first trigger message is used to instruct the terminal to send a sensing data packet or instruct the wireless sensing measurement process responders to perform a wireless sensing measurement operation, and the first trigger message instructs the STA1 to serve as a sender for performing the wireless sensing measurement operation between the wireless sensing measurement process responders, and instructs the STA2 to serve as a receiver for performing the wireless sensing measurement operation between the wireless sensing measurement process responders.
Illustratively, the first trigger message includes the following parameters:
type: the type of trigger message. The embodiment is set as sending, which is used for indicating that the triggering message is used for wireless sensing service.
Subtype: the message subtype when the trigger message is of the send type. For example, the sounding can be set to indicate that the trigger message is used for indicating the terminal to send the perception data packet; and the device can also be set to be R2R sounding for indicating that the trigger message is used for indicating that the wireless sensing measurement operation is performed among wireless sensing measurement process responders.
User info 1: STA1 related information. For example, the User info 1 may include parameters AID, R2R receiver, and RU allocation, where the parameter AID may be set to a connection identifier of STA1, and is used to identify STA1; the parameter R2R receiver is configured to indicate whether to be a receiver for performing a wireless sensing measurement operation between wireless sensing measurement process responders, if set to 1, indicates that the terminal is the receiver, otherwise set to 0, in this embodiment set to 0, indicates that STA1 is a sender for performing a wireless sensing measurement operation between wireless sensing measurement process responders; the parameter RU allocation is used to indicate the resource to send the awareness packet.
Optionally, user info 1 may also contain the following parameters: AID: connection identification of STA 1; R2R transmitter: indicating whether to be a sender of the wireless sensing measurement operation performed between wireless sensing measurement process respondents, if so, setting to 1 to indicate the terminal as the sender, otherwise, setting to 0, and setting to 1 in the embodiment; R2R receiver: indicating whether to be a receiver for performing wireless sensing measurement operation between wireless sensing measurement process respondents, if so, setting to 1 to indicate the terminal as the receiver, otherwise, setting to 0, and setting to 0 in the embodiment; RU allocation: indicating the resources to send the awareness data packet.
User info 2: STA2 related information. For example, the User info 2 may include parameters AID, R2R receiver, and RU allocation, where the parameter AID may be set to a connection identifier of STA2, and is used to identify STA2; the parameter R2R receiver is configured to indicate whether to be a receiver for performing a wireless sensing measurement operation between wireless sensing measurement process responders, if set to 1, indicates that the terminal is the receiver, otherwise set to 0, and in this embodiment set to 1, indicates that the STA2 is the receiver for performing a wireless sensing measurement operation between wireless sensing measurement process responders; the parameter RU allocation is used to indicate the resource to send the awareness packet.
Optionally, user info 2 may also contain the following parameters: AID: connection identification of STA 2; R2R transmitter: indicating whether to be a sender of the wireless sensing measurement operation performed between wireless sensing measurement process respondents, if so, setting to 1 to indicate the terminal as the sender, otherwise, setting to 0, and setting to 0 in the embodiment; R2R receiver: indicating whether to be a receiver for performing wireless sensing measurement operation between wireless sensing measurement process respondents, if so, setting to 1 to indicate the terminal as the receiver, otherwise, setting to 0, and setting to 1 in the embodiment; RU allocation: indicating the resources to send the awareness data packet.
202. After receiving the first trigger message, STA1 sends a sensing data packet to AP1 and STA2.
For example, after receiving the trigger message, if the parameter Type value is sending and the Subtype value is sounding, the STA1 reads the corresponding User info according to its AID, in this embodiment, the User info 1, and if the parameter R2R receiver value in the User info 1 is 0, after receiving the trigger message, the STA sends a sensing packet after an SIFS (short inter frame space) time, where the sensing packet may be an NDP (null packet), that is, a packet containing only non-valid data, such as LTF (long training code), and not carrying valid data.
203. After receiving the first trigger message, the STA2 receives the sensing data packet sent by the STA1, and obtains the wireless channel information between the STA2 and the STA1 according to the received sensing data packet measurement.
For example, after receiving the trigger message, if the parameter Type value is sending and the Subtype value is sounding, the STA2 reads the corresponding User info according to its AID, in this embodiment, the User info 2, and if the parameter R2R receiver value in the User info 2 is 1, after receiving the trigger message, the sensing data packet is received at intervals of SIFS time, and wireless channel information between the STA1 and the STA2 is obtained according to the received sensing data packet measurement.
204. The AP1 receives the data packet sent by the STA1, and obtains wireless channel information between itself and the STA1 according to the received sensing data packet measurement.
For example, after sending a trigger message with a message type of sending and a message subtype of sounding, the AP1 receives a sensing data packet after an SIFS time interval, and obtains wireless channel information between the STA1 and the AP1 according to the received sensing data packet measurement.
205. The AP1 acquires wireless channel information between STA2 and STA1 obtained by the STA2 measurement.
For example, the AP1 acquiring the wireless channel information between STA2 and STA1 obtained by the measurement of STA2 may specifically include:
5001. The AP1 transmits a trigger message to the STA2, which is used to instruct the terminal to transmit a wireless sensing measurement report. For example, the trigger message includes the following parameters:
type: the type of the trigger message is set as sending, and the sending is used for indicating that the trigger message is used for wireless sensing service.
Subtype: when the trigger message is a sending message subtype, the embodiment is set to report, which is used for indicating the terminal to send the wireless sensing measurement report.
5002. After receiving the trigger message for instructing the terminal to send the wireless sensing measurement report, the STA2 sends the wireless sensing measurement report to the AP1, where the wireless sensing measurement report includes wireless channel information between STA1 and STA2 obtained by STA2 measurement.
For example, after receiving the trigger message, if the parameter Type value is send and the Subtype value is report, after an SIFS time interval, the STA2 and STA1 obtained by measurement include radio channel information in a radio sensing measurement report and send the radio sensing measurement report to the AP1.
Optionally, STA2 may also include the following parameters in the wireless sensing measurement report:
R2R peer STA: for setting the identity of the terminal transmitting the awareness data packet to the STA2, where the identity of the terminal may be an identity or an address or the like for indicating the terminal.
Alternatively, STA2 may also actively send a wireless sensing measurement report to AP1, which is not limited by the embodiments of the present application.
After the AP1 obtains the wireless channel information between the STA2 and the STA1 obtained by measuring the STA2, it can perform cooperative calculation according to the wireless channel information measured by itself and the wireless channel information obtained from the STA2, so as to obtain a wireless sensing result.
In some embodiments, before the AP1 sends the first trigger message to STA1 and STA2, the method further includes:
101. the AP1 sends a wireless sensing measurement setup request message (e.g. sensing measurement setup request message) to the STA1, requesting the STA1 to perform a wireless sensing measurement procedure, where the STA1 is called a responder of the wireless sensing measurement procedure, and the message includes the following parameters:
measurement setup ID: for identifying a wireless awareness measurement procedure, such as set to MSID1.
Sensing transmitter: for indicating the role of the responder (STA 1) in the established wireless sensing measurement procedure, for example, setting to 1 indicates the sender as the sensing data packet, otherwise setting to 0, and setting to 1 in this embodiment.
Sensing receiver: for indicating the role of the responder (STA 1) in the established wireless sensing measurement procedure, for example, setting to 1 indicates the receiver as the sensing data packet, otherwise setting to 0, which may be set to 1 or 0 in this embodiment.
When Sensing transmitter and Sensing receiver are both set to 1, this indicates that STA1 is both the sender and the receiver of the Sensing packet during the wireless Sensing measurement procedure.
102. After receiving the wireless sensing measurement setup request message, the STA1 sends a wireless sensing measurement setup response message (e.g. sensing measurement setup response message) to the AP1, where the message includes a parameter status code for indicating whether to agree to execute the wireless sensing measurement procedure, and in this embodiment, the wireless sensing measurement setup request message is set to SUCCESS, indicating that the wireless sensing measurement procedure is agreed to be executed.
103. The AP1 sends a wireless sensing measurement setup request message to the STA2, requesting the STA2 to perform a wireless sensing measurement procedure, where the STA2 is also called a responder of the wireless sensing measurement procedure, and the message includes parameters:
measurement setup ID: for identifying a wireless awareness measurement procedure, such as set to MSID2.
Sensing transmitter: for indicating the role of the responder (STA 2) in the established wireless sensing measurement procedure, for example, setting to 1 indicates that the responder is the sender of the sensing data packet, otherwise setting to 0, and the present embodiment may be set to 1 or 0.
Sensing receiver: for indicating the role of the responder (STA 2) in the established wireless sensing measurement procedure, for example, setting to 1 indicates the receiver as a sensing packet, otherwise setting to 0, and setting to 1 in this embodiment.
When Sensing transmitter and Sensing receiver are both set to 1, it indicates that STA2 is both the sender and the receiver of the Sensing packet during the wireless Sensing measurement procedure.
104. After receiving the wireless sensing measurement setup request message, the STA2 sends a wireless sensing measurement setup response message to the AP1, where the message includes a parameter status code for indicating whether to agree to execute the wireless sensing measurement procedure, and in this embodiment, the wireless sensing measurement setup request message is set to SUCCESS, and indicates that to agree to execute the wireless sensing measurement procedure.
105. The AP1 transmits a trigger message for inquiring whether the terminal can perform wireless sensing measurement to the STA1 and the STA2, and the trigger message may include the following parameters:
type: the type of the trigger message is set as sending, and the sending is used for indicating that the trigger message is used for wireless sensing service.
Subtype: when the trigger message is a send message subtype, the embodiment sets poll to ask the terminal if it can perform the wireless sensing measurement.
106. After receiving the trigger message, STA1 sends a CTS message as a response if the parameter type value is sending and the subtype value is poll.
107. After receiving the trigger message, STA2 sends a CTS message as a response if the parameter type value is sending and the subtype value is poll.
In this embodiment, the AP1 transmits the first trigger message to STA1 and STA2 after receiving the responses of STA1 and STA2.
Optionally, after step 104, the following may be further included before step 105:
1041. the terminal STA3 transmits a connection request message to the AP1 requesting to establish a connection with the AP 1.
1042. The AP1 sends a connection response message to the STA3 indicating that connection establishment is agreed, and the connection response message includes the following parameters:
AID: connection identification of STA 3.
SBP supported: indicating whether proxy wireless awareness process operation is supported, if so, setting 1 to indicate support, otherwise setting 0, and setting 1 in this embodiment.
1043. STA3 sends a proxy awareness request message (e.g., an SBP request message) to AP1 requesting AP1 to perform a proxy wireless awareness process.
1044. After receiving the proxy awareness request message, AP1 sends a proxy awareness response message (SBP response message) to STA3 indicating approval to perform the proxy wireless awareness process.
Alternatively, the STA1 or the STA2 may request the AP1 to perform the proxy wireless sensing procedure, that is, the STA1 or the STA2 sends a proxy sensing request message to the AP1 to request the AP1 to perform the proxy wireless sensing procedure.
In some embodiments, before the AP1 sends the first trigger message to the STA1 and the STA2, the AP1 may exchange capability information about whether the wireless sensing measurement operation is supported between the STA1 and the STA2, such as a message sent by the AP1 and the STA2 and including an indication that the wireless sensing measurement operation is supported between the wireless sensing measurement process responders; and transmits a message including an indication supporting the wireless sensing measurement operation performed between the wireless sensing measurement process responders to STA1 and STA2. For example, the AP1 may exchange capability information about whether to support the wireless sensing measurement procedure between responders in the connection procedure with the STA1 and the STA2, specifically including:
1001. The terminal STA1 sends a connection request message (e.g. Association request message) to the AP1, requesting to establish a connection with the AP1, where the connection request message may include the following parameters:
R2R sensing supported: indicating whether the wireless sensing measurement operation is executed among the respondents of the wireless sensing measurement process or not, if yes, setting to 1 to indicate support, otherwise setting to 0, and setting to 1 in the embodiment; a scenario set to 0 is not considered in the embodiments of the present application.
1002. AP1 sends a connection response message (e.g., association response message) to STA1 indicating that connection establishment is agreed, the connection response message may include the following parameters:
AID: connection identification of STA 1.
R2R sensing supported: indicating whether the wireless sensing measurement operation is executed among the respondents of the wireless sensing measurement process or not, if yes, setting to 1 to indicate support, otherwise setting to 0, and setting to 1 in the embodiment; a scenario set to 0 is not considered in the embodiments of the present application.
1003. The terminal STA2 sends a connection request message (e.g. Association request message) to the AP1, requesting to establish a connection with the AP1, where the connection request message may include the following parameters:
R2R sensing supported: indicating whether the wireless sensing measurement operation is executed among the respondents of the wireless sensing measurement process or not, if yes, setting to 1 to indicate support, otherwise setting to 0, and setting to 1 in the embodiment; a scenario set to 0 is not considered in the embodiments of the present application.
1004. AP1 sends a connection response message (e.g., association response message) to STA2 indicating that connection establishment is agreed, the connection response message may include the following parameters:
AID: connection identification of STA 2.
R2R sensing supported: indicating whether the wireless sensing measurement operation is executed among the respondents of the wireless sensing measurement process or not, if yes, setting to 1 to indicate support, otherwise setting to 0, and setting to 1 in the embodiment; a scenario set to 0 is not considered in the embodiments of the present application.
The embodiment of the application also provides a wireless sensing measurement control device, which comprises a wireless sensing measurement module, wherein the wireless sensing measurement module is used for executing the following steps:
the method comprises the steps of sending a first trigger message to a first terminal and a second terminal, wherein the first trigger message is used for indicating the terminal to send a perception data packet or is used for indicating wireless perception measurement operation between wireless perception measurement process responders, the first trigger message indicates the first terminal to serve as a sender for executing the wireless perception measurement operation between the wireless perception measurement process responders, and indicates the second terminal to serve as a receiver for executing the wireless perception measurement operation between the wireless perception measurement process responders;
Receiving a sensing data packet sent by a first terminal, and measuring and obtaining wireless channel information between the sensing data packet and the first terminal according to the received sensing data packet;
and acquiring wireless channel information between the second terminal and the first terminal, which is obtained by the measurement of the second terminal.
Optionally, the acquiring the wireless channel information between the second terminal and the first terminal, which is obtained by measuring by the second terminal, includes:
sending a second trigger message to a second terminal, wherein the second trigger message is used for indicating the terminal to send a wireless sensing measurement report;
and receiving a wireless sensing measurement report sent by the second terminal, wherein the wireless sensing measurement report comprises the identification of the terminal sending the sensing data packet to the second terminal.
The embodiment of the application also provides a wireless sensing measurement control device, which is applied to a first terminal and comprises a wireless sensing measurement module, wherein the wireless sensing measurement module is used for executing the following steps:
receiving a first trigger message sent by an access point, wherein the first trigger message is used for indicating a terminal to send a sensing data packet or is used for indicating a wireless sensing measurement process responder to execute wireless sensing measurement operation, the first trigger message indicates a first terminal to serve as a sender for executing the wireless sensing measurement operation between the wireless sensing measurement process responders, and indicates a second terminal to serve as a receiver for executing the wireless sensing measurement operation between the wireless sensing measurement process responders;
And sending the perception data packet to the access point and the second terminal.
The embodiment of the application also provides a wireless sensing measurement control device, which is applied to a second terminal and comprises a wireless sensing measurement module, wherein the wireless sensing measurement module is used for executing the following steps:
receiving a first trigger message sent by an access point, wherein the first trigger message is used for indicating a terminal to send a sensing data packet or is used for indicating a wireless sensing measurement process responder to execute wireless sensing measurement operation, the first trigger message indicates a first terminal to serve as a sender for executing the wireless sensing measurement operation between the wireless sensing measurement process responders, and indicates a second terminal to serve as a receiver for executing the wireless sensing measurement operation between the wireless sensing measurement process responders;
receiving a sensing data packet sent by a first terminal, and measuring and obtaining wireless channel information between a second terminal and the first terminal according to the received sensing data packet;
and sending a wireless sensing measurement report to an access point, wherein the wireless sensing measurement report comprises wireless channel information between the second terminal and the first terminal.
Optionally, the wireless sensing measurement report further includes an identification of the terminal sending the sensing data packet to the second terminal.
It should be understood that the apparatus herein is embodied in the form of functional modules. The term module herein may refer to an application specific integrated circuit (application specific integrated circuit, ASIC), an electronic circuit, a processor (e.g., a shared, dedicated, or group processor, etc.) and memory that execute one or more software or firmware programs, a combinational logic circuit, and/or other suitable components that support the described functionality. The device has the function of realizing the corresponding steps in the method; the above functions may be implemented by hardware, or may be implemented by hardware executing corresponding software. The hardware or software includes one or more modules corresponding to the functions described above. In embodiments of the present application, the apparatus may also be a chip or a chip system, for example: system on chip (SoC). The present application is not limited herein.
The embodiment of the application also provides an electronic device, and fig. 3 is a schematic structural diagram of the electronic device provided in the embodiment of the application. As shown in fig. 3, the device 300 comprises a processor 301, a memory 302 and a communication interface 303, wherein the processor 301, the memory 302 and the communication interface 303 are in communication with each other via a bus 304, and instructions executable by the processor 301 are stored in the memory 302, and are loaded and executed by the processor 301 to control the communication interface 303 to send signals and/or receive signals.
It should be understood that the apparatus 300 may be specifically an AP1 or an STA2 in the foregoing embodiment, or the functions of the AP1 or the STA2 in the foregoing embodiment may be integrated in the apparatus 300, and the apparatus 300 may be configured to perform the respective steps and/or flows corresponding to the AP1 or the STA2 in the foregoing embodiment. Alternatively, the memory 302 may include read-only memory and random access memory, and provide instructions and data to the processor 301. A portion of memory 302 may also include non-volatile random access memory. For example, the memory 302 may also store information of the device type. The processor 301 may be configured to execute instructions stored in the memory 301, and when the processor 301 executes the instructions, the processor 301 may perform corresponding steps and/or flows in the above-described method embodiments.
It should be appreciated that in embodiments of the present application, the processor may be a central processing unit (centralprocessing unit, CPU), the processor may also be other general purpose processors, digital Signal Processors (DSPs), application Specific Integrated Circuits (ASICs), field Programmable Gate Arrays (FPGAs) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
In implementation, the steps of the above method may be performed by integrated logic circuits of hardware in a processor or by instructions in the form of software. The steps of a method disclosed in connection with the embodiments of the present application may be embodied directly in a hardware processor for execution, or in a combination of hardware and software modules in the processor for execution. The software modules may be located in a random access memory, flash memory, read only memory, programmable read only memory, or electrically erasable programmable memory, registers, etc. as well known in the art. The storage medium is located in a memory, and the processor executes instructions in the memory to perform the steps of the method described above in conjunction with its hardware. To avoid repetition, a detailed description is not provided herein.
The above embodiments may be implemented in whole or in part by software, hardware, firmware, or any other combination. When implemented in software, the above-described embodiments may be implemented in whole or in part in the form of a computer program product. The computer program product comprises one or more computer instructions or computer programs. When the computer instructions or computer program are loaded or executed on a computer, the processes or functions described in accordance with the embodiments of the present application are all or partially produced. The computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable apparatus. The computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be transmitted from one website site, computer, server, or data center to another website site, computer, server, or data center by wired (e.g., infrared, wireless, microwave, etc.). The computer readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server, data center, etc. that contains one or more sets of available media. The usable medium may be a magnetic medium (e.g., floppy disk, hard disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium. The semiconductor medium may be a solid state disk.
It should be understood that, in various embodiments of the present application, the sequence numbers of the foregoing processes do not mean the order of execution, and the order of execution of the processes should be determined by the functions and internal logic thereof, and should not constitute any limitation on the implementation process of the embodiments of the present application. The modules described as separate components may or may not be physically separate, and components displayed as modules may or may not be physical modules, that is, may be located in one place, or may be distributed on a plurality of network modules, and some or all of the modules may be selected according to actual needs to achieve the purposes of the embodiments of the present application.
In the several embodiments provided in this application, it should be understood that the disclosed apparatus, device, and method may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, and for example, the division of the modules is merely a logical function division, and there may be other manners of dividing the modules or components into multiple modules or components when actually implemented, or multiple modules or components may be combined or integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or modules, which may be in electrical, mechanical, or other forms.
Those of ordinary skill in the art will appreciate that the various illustrative modules and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
The foregoing is merely specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the present application, and the changes and substitutions are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (22)
1. A wireless sensing measurement control method, comprising:
the method comprises the steps of sending a first trigger message to a first terminal and a second terminal, wherein the first trigger message is used for indicating the terminal to send a perception data packet or is used for indicating wireless perception measurement operation between wireless perception measurement process responders, the first trigger message indicates the first terminal to serve as a sender for executing the wireless perception measurement operation between the wireless perception measurement process responders, and indicates the second terminal to serve as a receiver for executing the wireless perception measurement operation between the wireless perception measurement process responders;
Receiving a sensing data packet sent by a first terminal, and measuring and obtaining wireless channel information between the sensing data packet and the first terminal according to the received sensing data packet;
and acquiring wireless channel information between the second terminal and the first terminal, which is obtained by the measurement of the second terminal.
2. The method according to claim 1, wherein the obtaining the radio channel information between the second terminal and the first terminal obtained by the second terminal measurement includes:
sending a second trigger message to a second terminal, wherein the second trigger message is used for indicating the terminal to send a wireless sensing measurement report;
and receiving a wireless sensing measurement report sent by the second terminal, wherein the wireless sensing measurement report comprises the identification of the terminal sending the sensing data packet to the second terminal.
3. The method of claim 1, further comprising, prior to said sending the first trigger message to the first terminal and the second terminal:
transmitting a first wireless sensing measurement establishment request message to a first terminal, wherein the first wireless sensing measurement establishment request message indicates the first terminal as a sender of a sensing data packet;
Receiving a first wireless sensing measurement establishment response message sent by a first terminal, wherein the first wireless sensing measurement establishment response message indicates that the wireless sensing measurement process is approved to be executed;
transmitting a second wireless sensing measurement establishment request message to a second terminal, wherein the second wireless sensing measurement establishment request message indicates the second terminal as a receiver of a sensing data packet;
and receiving a second wireless sensing measurement establishment response message sent by the second terminal, wherein the second wireless sensing measurement establishment response message indicates that the wireless sensing measurement process is approved to be executed.
4. The method of claim 1, further comprising, prior to said sending the first trigger message to the first terminal and the second terminal:
receiving a message which is sent by a first terminal and a second terminal and contains an instruction for supporting wireless sensing measurement operation between wireless sensing measurement process respondents;
and sending a message containing an indication supporting the wireless sensing measurement operation performed between wireless sensing measurement process responders to the first terminal and the second terminal.
5. The method of claim 1, further comprising, prior to said sending the first trigger message to the first terminal and the second terminal:
Receiving an agent perception request message sent by a first terminal or a second terminal or a third terminal;
and sending a proxy perception response message to the first terminal or the second terminal or the third terminal, wherein the proxy perception response message indicates that the proxy wireless perception process is approved to be executed.
6. A wireless sensing measurement control method applied to a first terminal, comprising:
receiving a first trigger message sent by an access point, wherein the first trigger message is used for indicating a terminal to send a sensing data packet or is used for indicating a wireless sensing measurement process responder to execute wireless sensing measurement operation, the first trigger message indicates a first terminal to serve as a sender for executing the wireless sensing measurement operation between the wireless sensing measurement process responders, and indicates a second terminal to serve as a receiver for executing the wireless sensing measurement operation between the wireless sensing measurement process responders;
and sending the perception data packet to the access point and the second terminal.
7. The method of claim 6, further comprising, prior to receiving the first trigger message sent by the access point:
receiving a first wireless sensing measurement establishment request message sent by an access point, wherein the first wireless sensing measurement establishment request message indicates a first terminal as a sender of a sensing data packet;
And sending a first wireless sensing measurement establishment response message to the access point, wherein the first wireless sensing measurement establishment response message indicates that the wireless sensing measurement process is approved to be executed.
8. The method of claim 6, further comprising, prior to receiving the first trigger message sent by the access point:
transmitting a message containing an indication supporting the execution of the wireless sensing measurement operation between the wireless sensing measurement process responders to the access point;
and receiving a message which is sent by the access point and contains an indication supporting wireless sensing measurement operation between wireless sensing measurement process responders.
9. The method of claim 6, further comprising, prior to receiving the first trigger message sent by the access point:
sending a proxy perception request message to an access point, and requesting the access point to execute a proxy wireless perception process;
and receiving a proxy perception response message sent by the access point, wherein the proxy perception response message indicates that the proxy wireless perception process is approved to be executed.
10. A wireless sensing measurement control method applied to a second terminal, comprising:
Receiving a first trigger message sent by an access point, wherein the first trigger message is used for indicating a terminal to send a sensing data packet or is used for indicating a wireless sensing measurement process responder to execute wireless sensing measurement operation, the first trigger message indicates a first terminal to serve as a sender for executing the wireless sensing measurement operation between the wireless sensing measurement process responders, and indicates a second terminal to serve as a receiver for executing the wireless sensing measurement operation between the wireless sensing measurement process responders;
receiving a sensing data packet sent by a first terminal, and measuring and obtaining wireless channel information between a second terminal and the first terminal according to the received sensing data packet;
and sending a wireless sensing measurement report to an access point, wherein the wireless sensing measurement report comprises wireless channel information between the second terminal and the first terminal.
11. The method according to claim 10, wherein the wireless sensing measurement report further includes an identification of a terminal transmitting the sensing data packet to the second terminal.
12. The method of claim 10, further comprising, prior to receiving the first trigger message sent by the access point:
Receiving a second wireless sensing measurement establishment request message sent by an access point, wherein the second wireless sensing measurement establishment request message indicates a second terminal as a receiver of a sensing data packet;
and sending a second wireless sensing measurement establishment response message to the access point, wherein the second wireless sensing measurement establishment response message indicates that the wireless sensing measurement process is approved to be executed.
13. The method of claim 10, further comprising, prior to receiving the first trigger message sent by the access point:
transmitting a message containing an indication supporting the execution of the wireless sensing measurement operation between the wireless sensing measurement process responders to the access point;
and receiving a message which is sent by the access point and contains an indication supporting wireless sensing measurement operation between wireless sensing measurement process responders.
14. The method of claim 10, further comprising, prior to receiving the first trigger message sent by the access point:
sending a proxy perception request message to an access point, and requesting the access point to execute a proxy wireless perception process;
and receiving a proxy perception response message sent by the access point, wherein the proxy perception response message indicates that the proxy wireless perception process is approved to be executed.
15. The wireless perception measurement control device is characterized by comprising a wireless perception measurement module, wherein the wireless perception measurement module is used for executing the following steps:
the method comprises the steps of sending a first trigger message to a first terminal and a second terminal, wherein the first trigger message is used for indicating the terminal to send a perception data packet or is used for indicating wireless perception measurement operation between wireless perception measurement process responders, the first trigger message indicates the first terminal to serve as a sender for executing the wireless perception measurement operation between the wireless perception measurement process responders, and indicates the second terminal to serve as a receiver for executing the wireless perception measurement operation between the wireless perception measurement process responders;
receiving a sensing data packet sent by a first terminal, and measuring and obtaining wireless channel information between the sensing data packet and the first terminal according to the received sensing data packet;
and acquiring wireless channel information between the second terminal and the first terminal, which is obtained by the measurement of the second terminal.
16. The apparatus according to claim 15, wherein said acquiring radio channel information between the second terminal and the first terminal obtained by the second terminal measurement comprises:
Sending a second trigger message to a second terminal, wherein the second trigger message is used for indicating the terminal to send a wireless sensing measurement report;
and receiving a wireless sensing measurement report sent by the second terminal, wherein the wireless sensing measurement report comprises the identification of the terminal sending the sensing data packet to the second terminal.
17. The wireless perception measurement control device is applied to a first terminal and is characterized by comprising a wireless perception measurement module, wherein the wireless perception measurement module is used for executing the following steps:
receiving a first trigger message sent by an access point, wherein the first trigger message is used for indicating a terminal to send a sensing data packet or is used for indicating a wireless sensing measurement process responder to execute wireless sensing measurement operation, the first trigger message indicates a first terminal to serve as a sender for executing the wireless sensing measurement operation between the wireless sensing measurement process responders, and indicates a second terminal to serve as a receiver for executing the wireless sensing measurement operation between the wireless sensing measurement process responders;
and sending the perception data packet to the access point and the second terminal.
18. The wireless perception measurement control device is applied to a second terminal and is characterized by comprising a wireless perception measurement module, wherein the wireless perception measurement module is used for executing the following steps:
Receiving a first trigger message sent by an access point, wherein the first trigger message is used for indicating a terminal to send a sensing data packet or is used for indicating a wireless sensing measurement process responder to execute wireless sensing measurement operation, the first trigger message indicates a first terminal to serve as a sender for executing the wireless sensing measurement operation between the wireless sensing measurement process responders, and indicates a second terminal to serve as a receiver for executing the wireless sensing measurement operation between the wireless sensing measurement process responders;
receiving a sensing data packet sent by a first terminal, and measuring and obtaining wireless channel information between a second terminal and the first terminal according to the received sensing data packet;
and sending a wireless sensing measurement report to an access point, wherein the wireless sensing measurement report comprises wireless channel information between the second terminal and the first terminal.
19. The apparatus of claim 18, wherein the wireless sensing measurement report further includes an identification of the terminal that sent the sensing data packet to the second terminal.
20. An electronic device comprising a memory, a processor and a computer program stored on the memory, characterized in that the processor executes the computer program to implement the method of any one of claims 1-14.
21. A communication system comprising an access point, a first terminal and a second terminal, wherein the first terminal and the second terminal are both connected to the access point, characterized in that the access point is adapted to perform the method of any of claims 1-5, the first terminal is adapted to perform the method of any of claims 6-9, and the second terminal is adapted to perform the method of any of claims 10-14.
22. A computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the method of any of claims 1-14.
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