CN115334537A

CN115334537A - Method, device, equipment and medium for negotiating and measuring wireless perception process

Info

Publication number: CN115334537A
Application number: CN202110511139.2A
Authority: CN
Inventors: 吴昊; 王鑫
Original assignee: Chengdu Jimi Technology Co Ltd
Current assignee: Chengdu Jimi Technology Co Ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2022-11-11

Abstract

The invention discloses a method, a device, equipment and a medium for negotiating and measuring a wireless sensing process. The method comprises the following steps: an initiator sends a perception establishing request message to a responder, wherein the message comprises a wireless perception request information element, the wireless perception request information element comprises a perception control sub-information element and one or more first perception sending information sub-information elements, and the perception control sub-information element comprises a parameter indicating the identification of a perception process, a negotiation type and the role of the responder; the responder sends a perception establishing response message to the initiator, wherein the message comprises a wireless perception response information element, and the wireless perception response information element comprises a perception control sub-information element and a second perception sending information sub-information element. The invention provides a mode for carrying out structured setting on the control information and the sending parameter information, which can take the application characteristics of each device as the factors for the negotiation of the perception process, thereby not influencing the application of the device when the perception service is carried out.

Description

Method, device, equipment and medium for negotiating and measuring wireless perception process

Technical Field

The present invention relates to the field of wireless communications, and in particular, to a method, an apparatus, a device, and a medium for wireless awareness process negotiation and measurement.

Background

The WLAN sensing (wireless sensing) technology is a new technology that can use existing Wi-Fi signals to implement motion detection, gesture recognition, and biometric measurement based on existing wifi networks and devices. In WLAN Sensing, changes in the environment caused by the motion of objects, pets, and people are detected by using a CSI (channel state information) -based or Radar-based approach without requiring the detected object to wear any device.

Through the implementation of the WLAN sending, the method can provide more intelligent and richer application in the fields of intelligent home, intrusion detection, medical care, intelligent remote nursing and the like.

Disclosure of Invention

Currently, the role negotiation required for negotiation among wireless sensing process participants, and the main parameters of sensing signal transmission, such as frequency band, bandwidth, synchronization time, etc., are discussed. However, in a scene that wifi devices are diversified, when more wifi devices participate in the sensing process, in addition to improving the sensing precision and accuracy, an appropriate mode needs to be selected and set from the application characteristics of the devices. For example, some devices using batteries need to consider power saving, and devices transmitting data in real time need to consider delay effects, etc. In view of this, embodiments of the present invention provide a method, an apparatus, a device, and a medium for negotiating and measuring a wireless aware process.

In a first aspect, an embodiment of the present invention provides a method for negotiating a wireless aware process, where the method is applied to an initiator of a aware process, and the method includes:

sending a perception establishing request message to a Responder, wherein the perception establishing request message comprises a wireless perception request information element, the wireless perception request information element comprises a perception control sub-information element and one or more first perception sending information sub-information elements, the perception control sub-information element comprises parameters of a Sensing session ID, a Negotiation type and a response role, the Sensing session ID is used for indicating an identification of a perception process, the Negotiation type is used for indicating a Negotiation type, the response role is used for indicating a role of the Responder in the perception process, and the first perception sending information sub-information element is used for bearing perception data packet sending parameters requested by an initiator;

receiving a perception establishing response message sent by a responder, wherein the perception establishing response message comprises a wireless perception response information element, the wireless perception response information element comprises a perception control sub information element and a second perception sending information sub information element, and the second perception sending information sub information element is used for bearing perception data packet sending parameters confirmed by the responder.

In a second aspect, an embodiment of the present invention provides a method for negotiating a wireless aware process, which is applied to a responder of a aware process, and includes:

receiving a perception establishing request message sent by an initiator, wherein the perception establishing request message comprises a wireless perception request information element, the wireless perception request information element comprises a perception control sub-information element and one or more first perception sending information sub-information elements, the perception control sub-information element comprises parameters of a Sensing session ID, a Negotiation type and a response role, the Sensing session ID is used for indicating an identification of a perception process, the Negotiation type is used for indicating a Negotiation type, the response role is used for indicating a role of a Responder in the perception process, and the first perception sending information sub-information element is used for bearing perception data packet sending parameters requested by the initiator;

and sending a perception establishment response message to the initiator, wherein the perception establishment response message comprises a wireless perception response information element, the wireless perception response information element comprises a perception control sub-information element and a second perception sending information sub-information element, and the second perception sending information sub-information element is used for bearing perception data packet sending parameters confirmed by the responder.

In a possible implementation manner, a parameter Negotiation type value in the sensing establishment request message is set to be a first value or a second value, wherein the first value indicates that the initiator proposes to use the sensing data packet transmission parameters provided by the initiator, and can also accept different sensing data packet transmission parameters provided by the responder; the second value indicates that the initiator provided perceptual packet transmission parameters must be used and the responder provided different perceptual packet transmission parameters are not accepted.

Optionally, when the initiator is a terminal device, setting a value of a parameter Negotiation type in the sensing establishment request message as a first value; and when the initiator is the access equipment, setting the parameter Negotiation type value in the perception establishment request message as a second value.

Optionally, when the parameter Negotiation type value in the sensing establishment request message is set to a first value, the parameter Negotiation type value in the sensing establishment response message is set to a third value or a fourth value or a fifth value, and when the parameter Negotiation type value in the sensing establishment request message is set to a second value, the parameter Negotiation type value in the sensing establishment response message is set to a third value or a fifth value, wherein the third value represents a sensing data packet sending parameter for accepting to execute the sensing process and agreeing to the initiator request, the fourth value represents acceptance to execute the sensing process and appoint a new sensing data packet sending parameter, and the fifth value is not accepted to execute the sensing process.

In a possible implementation manner, the sensing control sub information element may further include one or more of parameters Broadcast mode, trigger, and Time unit, where Broadcast mode is used to indicate whether to send a sensing packet in a Broadcast manner, trigger is used to indicate whether to start sending a sensing packet using a Trigger message, and Time unit is used to indicate a unit of a Time value.

In a possible implementation manner, when the response role value indicates that the role of the Responder in the sensing process is a receiver of the sensing data packet, the sensing control sub information element further includes parameters Result mode and Reporting mode, where the Result mode is used to indicate a Result type of the report, and the Reporting mode is used to indicate a mode of sending the report.

Optionally, the Result mode contains one or more of the following parameters: CSI matrix: for indicating whether to report a channel state information matrix; compressed beamforming feedback matrix: a beamforming feedback matrix to indicate whether to report compression; beamforming SNR: for indicating whether to report a beamforming signal-to-noise ratio; doppler: for indicating whether a doppler shift is reported; sensing event: indicating whether to report a perceptual event.

Optionally, the mode of report transmission includes a trigger-based reporting mode and a schedule-based reporting mode.

Optionally, when the value of the Reporting mode indicates that the report sending mode is a report mode based on scheduling, the first sensing sending information sub-information element includes parameters of a Reporting sending time and a Reporting duration, where the Reporting sending time is used to indicate a start time for sending a report, and the Reporting duration is used to indicate a duration required for sending the report.

In one possible implementation, the first perceptual sending information sub-information element comprises one or more of the following parameters: SDP TX time: for indicating the transmission time of the perception data packet; SDP duration: the system is used for indicating the sending time length of the perception data packet; SDP interval Mantissa: a first parameter for indicating a sensing data packet transmission time interval; SDP interval explicit: a second parameter for indicating a transmission time interval of the sensing data packet; sensing protection: for indicating whether to perform aware packet transmission protection.

In a possible implementation, the second perceptual sending information sub-information element comprises the same parameters as the first perceptual sending information sub-information element.

In another possible implementation manner, the second perceptual sending information sub-information element only includes parameters different from the received values of the first perceptual sending information sub-information element.

In a third aspect, an embodiment of the present invention provides a method for wireless sensing process measurement, including:

performing a wireless-aware process negotiation according to the method of the first or second aspect;

and performing perception measurement according to the parameters in the perception establishment request message and/or the perception establishment response message.

In one possible implementation manner, the performing sensing measurement according to the parameter in the sensing establishment request message and/or the sensing establishment response message includes:

the sender of the perception data packet sends the perception data packet according to the parameters in the perception establishment request message and/or the perception establishment response message;

when the responder is used as a receiving party of the perception data packet, the responder receives and measures the perception data packet according to the parameters in the perception establishing request message and/or the perception establishing response message, and sends a measurement report;

when the initiator serves as a receiver of the perception data packet, the initiator receives the perception data packet sent by the responder and measures the perception data packet.

In a possible implementation manner, the performing transmission of the sensing data packet according to the parameter in the sensing establishment request message and/or the sensing establishment response message includes:

if the sensing establishment request message or the sensing establishment response message contains the parameter SDP TX time, or contains the parameters SDP TX time and Trigger, and the value of Trigger indicates that the sensing data packet is started to be sent without using a Trigger message, the sensing data packet is started to be sent according to the time indicated by the SDP TX time;

if the sensing establishment request message or the sensing establishment response message contains a parameter Trigger, and the value of the Trigger indicates that the sending of the sensing data packet is started by using the Trigger message, the sender of the sensing data packet starts to send the sensing data packet after receiving the Trigger message;

if the sensing establishment request message and the sensing establishment response message do not contain the parameter SDP TX time or the parameter Trigger, or the sensing establishment request message or the sensing establishment response message contains the parameter Trigger, and the value of the Trigger indicates that the sensing data packet is not started to be sent by using the Trigger message, the sensing data packet is not sent;

if the sensing establishment request message or the sensing establishment response message contains parameter SDP duration, setting the duration of sending the data packet according to the value of the SDP duration; otherwise, determining the time length for sending the data packet according to the size of the actually constructed sensing data packet, the coding strategy and the channel bandwidth;

if the sensing establishment request message or the sensing establishment response message contains parameters SDP interval Mantissa and SDP interval exponents, the SDP interval Mantissa is multiplied by 2 according to the values of the SDP interval Mantissa and the SDP interval exponents and the formula SDP interval Mantissa ^{SDP intervalexponent} Calculating the sending time interval of the sensing data packet; otherwise, taking the sending time interval of the broadcast message as the sending time interval of the sensing data packet;

if the sensing establishment request message or the sensing establishment response message contains a parameter Broadcast mode, if the value of the Broadcast mode indicates that a sensing data packet is sent by using a broadcasting mode, setting the value of an RA field in the message containing the sensing data packet as a broadcasting address, and if the value of the Broadcast mode indicates that the sensing data packet is not sent by using the broadcasting mode, setting the value of the RA field in the message containing the sensing data packet as the address of a receiver of the sensing data packet, wherein the RA is used for indicating the address of the receiver of the message;

if the Sensing establishment request message or the Sensing establishment response message contains the parameter Sensing protection, if the value of the Sensing protection indicates to execute Sensing data packet transmission protection, a Sensing data packet sender ensures that the Sensing data packet can be normally sent at each sending moment through scheduling or setting the Sensing data packet to be the highest priority mode in contention access; and if the Sensing protection value indicates that the Sensing data packet sending protection is not executed, using the common priority to compete for sending opportunity when the Sensing data packet needs to be sent.

In a possible implementation manner, the performing reception and measurement of the sensing data packet according to the parameter in the sensing establishment request message and/or the sensing establishment response message, and sending the measurement report includes:

if the sensing establishment request message or the sensing establishment response message contains a parameter Result mode, constructing a measurement report according to the value of the parameter contained in the Result mode;

if the sensing establishment request message or the sensing establishment response message contains a parameter Reporting mode, if the value of the Reporting mode indicates a report mode based on triggering, after receiving the feedback request message, sending a measurement report through a feedback response message; and if the value of the Reporting mode indicates a report mode based on scheduling, sending a measurement report according to the value of Reporting sending time, and setting the sending time length of a message containing the measurement report according to the value of Reporting duration.

Optionally, if the parameter Result mode is not contained in the sensing establishment request message and the sensing establishment response message, reporting one or more values of a channel state information matrix, a compressed beamforming feedback matrix, a beamforming signal to noise ratio, a doppler shift, and a sensing event.

In a fourth aspect, an embodiment of the present invention provides an apparatus for negotiating a wireless awareness process, where the apparatus is applied to an initiator of an awareness process, and the apparatus includes:

a communication module I, configured to send a Sensing establishment request message to a Responder, where the Sensing establishment request message includes a wireless Sensing request information element, the wireless Sensing request information element includes a Sensing control sub-information element and one or more first Sensing transmission information sub-information elements, the Sensing control sub-information element includes parameters of a Sensing session ID, a Negotiation type, and a response role, where the Sensing session ID is used to indicate an identifier of a Sensing process, the Negotiation type is used to indicate a Negotiation type, the response role is used to indicate a role of the Responder in the Sensing process, and the first Sensing transmission information sub-information element is used to carry Sensing data packet transmission parameters requested by an initiator;

and the communication module II is used for receiving a perception establishment response message sent by a responder, wherein the perception establishment response message comprises a wireless perception response information element, the wireless perception response information element comprises a perception control sub-information element and a second perception sending information sub-information element, and the second perception sending information sub-information element is used for bearing perception data packet sending parameters confirmed by the responder.

In a fifth aspect, an embodiment of the present invention provides an apparatus for negotiating a wireless aware process, which is applied to a responder of a aware process, and includes:

a communication module I, configured to receive a Sensing establishment request message sent by an initiator, where the Sensing establishment request message includes a wireless Sensing request information element, the wireless Sensing request information element includes a Sensing control sub-information element and one or more first Sensing transmission information sub-information elements, the Sensing control sub-information element includes parameters of a Sensing session ID, a Negotiation type, and a response role, where the Sensing session ID is used to indicate an identifier of a Sensing process, the Negotiation type is used to indicate a Negotiation type, the response role is used to indicate a role of a Responder in the Sensing process, and the first Sensing transmission information sub-information element is used to carry Sensing data packet transmission parameters requested by the initiator;

and the communication module II is used for sending a perception establishing response message to the initiator, wherein the perception establishing response message comprises a wireless perception response information element, the wireless perception response information element comprises a perception control sub-information element and a second perception sending information sub-information element, and the second perception sending information sub-information element is used for bearing perception data packet sending parameters confirmed by the responder.

In a sixth aspect, an embodiment of the present invention provides an apparatus for wireless sensing process measurement, including:

a negotiation module, configured to perform a wireless-aware process negotiation according to the method of the first aspect or the second aspect;

and the measurement module is used for executing perception measurement according to the parameters in the perception establishing request message and/or the perception establishing response message.

In a seventh aspect, an embodiment of the present invention provides a wireless-aware process execution device, where the device includes a processor and a memory, where the memory stores at least one instruction, at least one section of program code, a set of codes, or a set of instructions, and the at least one instruction, at least one section of program code, a set of codes, or a set of instructions is loaded and executed by the processor, so as to implement the first aspect or a possible implementation manner of the first aspect, or the method for negotiating a wireless-aware process according to the second aspect or a possible implementation manner of the second aspect, or the method for measuring a wireless-aware process according to the third aspect or a possible implementation manner of the third aspect.

In an eighth aspect, an embodiment of the present invention provides a computer-readable storage medium, where at least one instruction, at least one program code, a code set, or a set of instructions is stored in the computer-readable storage medium, and the at least one instruction, at least one program code, at least one code set, or a set of instructions is loaded and executed by a processor to implement the first aspect or the possible implementation manner of the first aspect, or the method for wireless-aware process negotiation described in the second aspect or the possible implementation manner of the second aspect, or the method for wireless-aware process measurement described in the third aspect or the possible implementation manner of the third aspect.

It should be noted that the apparatus in the fourth aspect is configured to implement the method in the first aspect, the apparatus in the fifth aspect is configured to implement the method in the second aspect, the apparatus in the sixth aspect is configured to implement the method in the third aspect, and the device in the seventh aspect and the storage medium in the eighth aspect are configured to execute the method in the first aspect, the second aspect, or the third aspect, so that the same beneficial effects as those of the method in the first aspect, the second aspect, or the third aspect can be achieved, and the embodiments of the present invention are not described in detail again.

The invention provides a mode for carrying out structured setting on the control information and the sending parameter information, which can take the application characteristics of each device as the factors for the negotiation of the perception process, thereby not influencing the application of the device when the perception service is carried out.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. Moreover, while the present disclosure has been described in terms of one or more exemplary embodiments, it is to be understood that each aspect of the disclosure can be implemented as a separate entity, whether or not such embodiment is described in connection with its specific embodiments. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

In the embodiments of the present invention, words such as "exemplary", "for example", etc. are used to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, the term using examples is intended to present concepts in a concrete fashion. The terms "first," "second," and the like, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item preceding the word comprises the element or item listed after the word and its equivalent, but does not exclude other elements or items. The term "and/or" includes any and all combinations of one or more of the associated listed items.

In the sensing process, an initiator (initiator) initiates the sensing process, a responder (responder) responds to the sensing process, and after the two parties coordinate roles, parameters, reporting modes and the like for sending and receiving sensing signals, the sensing process is started to be executed. The method for negotiating the wireless sensing process in the embodiment of the invention comprises the following contents:

an initiator sends a Sensing setup request (Sensing setup request) message to a Responder, wherein the Sensing setup request message contains a wireless Sensing request information element, the wireless Sensing request information element contains a Sensing control sub-information element and one or more first Sensing sending information sub-information elements, the Sensing control sub-information element contains parameters of a Sensing session ID, a Negotiation type and a response role, the Sensing session ID is used for indicating an identification of a Sensing process, the Negotiation type is used for indicating a Negotiation type, the response role is used for indicating a role of the Responder in the Sensing process, and the first Sensing sending information sub-information elements are used for bearing Sensing data packet sending parameters requested by the initiator;

after receiving the perception establishment request message, the responder sends a perception establishment response (sensing setup response) message to the initiator, wherein the perception establishment response message comprises a wireless perception response information element, the wireless perception response information element comprises a perception control sub-information element and a second perception sending information sub-information element, and the second perception sending information sub-information element is used for bearing the sending parameters of the perception data packet confirmed by the responder.

In some embodiments, the parameter Negotiation type value in the awareness establishment request message is set to a first value or a second value, wherein the first value indicates that the initiator proposes to use the awareness packet transmission parameters provided by the initiator, and different awareness packet transmission parameters provided by the responder can be accepted; the second value indicates that the initiator-provided aware packet transmission parameters must be used and different aware packet transmission parameters provided by the responder are not accepted. Optionally, when the initiator is a terminal device (non-AP STA), a value of a parameter Negotiation type in the sensing establishment request message is set to a first value; when the initiator is an access device (AP STA), the parameter Negotiation type value in the perception establishment request message is set to be a second value.

In some embodiments, the sensing control sub information element further includes one or more of parameters broadcase mode, trigger, and Time unit, where broadcase mode is used to indicate whether to send a sensing packet in a Broadcast manner, trigger is used to indicate whether to start sending a sensing packet using a Trigger message, and Time unit is used to indicate a unit of Time value.

In some embodiments, when the response role value indicates that the role of the Responder in the sensing process is a receiver of the sensing data packet, the sensing control sub information element further includes parameters Result mode and Reporting mode, wherein the Result mode is used for indicating the Result type of the report, and the Reporting mode is used for indicating the mode of sending the report. Specifically, the report sending mode may include a trigger-based report mode and a scheduling-based report mode, and when the Reporting mode indicates that the report sending mode is the scheduling-based report mode, the first perceptual sending information sub-information element includes parameters of a Reporting sending time and a Reporting duration, where the Reporting sending time is used to indicate a start time for sending a report, and the Reporting duration is used to indicate a duration required for sending the report.

Illustratively, the Result mode contains one or more of the following parameters:

CSI matrix: for indicating whether to report a channel state information matrix;

compressed beamforming feedback matrix: a beamforming feedback matrix to indicate whether to report compression;

beamforming SNR: for indicating whether to report a beamforming signal-to-noise ratio;

doppler: for indicating whether a doppler shift is reported;

sensing event: indicating whether to report a perceived event.

Illustratively, the first perceptual routing information sub-information element comprises one or more of the following parameters:

SDP TX time: for indicating the transmission time of the sensing data packet;

SDP duration: the system is used for indicating the sending time length of the perception data packet;

SDP interval Mantissa: a parameter one for indicating a sensing data packet transmission time interval;

SDP interval explicit: a second parameter for indicating a transmission time interval of the sensing data packet;

sensing protection: for indicating whether to perform aware packet transmission protection.

In some embodiments, the second perceptual transmission information sub-information element comprises the same parameters as the first perceptual transmission information sub-information element. In yet other embodiments, the second perceptual sending information sub-information element includes only parameters that differ from the values of the received first perceptual sending information sub-information elements.

And after the negotiation between the initiator and the responder is completed, starting to execute a perception measurement process. Specifically, the initiator and the responder may perform the perception measurement according to the parameters in the perception setup request message and/or the perception setup response message.

In some embodiments, the performing, by the initiator and the responder, the perception measurement according to the parameter in the perception setup request message and/or the perception setup response message comprises:

the method comprises the following steps that a sending party of a perception data packet sends the perception data packet according to parameters in a perception establishing request message and/or a perception establishing response message, wherein an initiator and a responder can be both used as sending parties of the perception data packet;

when the responder is used as a receiving party of the perception data packet, the responder receives and measures the perception data packet according to the parameters in the perception establishment request message and/or the perception establishment response message, and sends a measurement report;

In some embodiments, performing the transmission of the sensing data packet according to the parameters in the sensing setup request message and/or the sensing setup response message comprises:

In some embodiments, performing the reception and measurement of the sensing data packet according to the parameters in the sensing establishment request message and/or the sensing establishment response message, and transmitting the measurement report includes:

if the sensing establishment request message or the sensing establishment response message contains the parameter Result mode, constructing a measurement report according to the value of the parameter contained in the Result mode; reporting one or more values of a channel state information matrix, a compressed beamforming feedback matrix, a beamforming signal-to-noise ratio, a doppler shift, and a sensing event if the parameter Result mode is not included in the sensing setup request message and the sensing setup response message;

if the sensing establishment request message or the sensing establishment response message contains a parameter Reporting mode, if the value of the Reporting mode indicates a report mode based on triggering, after receiving the feedback request message, sending a measurement report through a feedback response message; if the value of Reporting mode indicates the report mode based on scheduling, sending a measurement report according to the value of Reporting sending time, and setting the sending duration of the message containing the measurement report according to the value of Reporting duration.

For a better understanding of the present invention, the present invention is described in detail below with reference to a specific embodiment. In this embodiment, the Initiator is called Initiator STA, the Responder is called Responder STA, and the method for negotiation and measurement of the wireless sensing process includes the following steps:

and 101. The initiator STA sends a sending setup request message to the Responder STA. Illustratively, the sending setup request message contains parameters as shown in table 1.

TABLE 1

The setting example of the Sensing Request elements information elements is shown in table 2.

TABLE 2

The settings in table 2 indicate that a Sensing Request elements information element includes a Sensing control sub-information element, and may include one or more Sensing TX profile sub-information elements.

An example of the Sensing control sub-ie settings is shown in table 3.

TABLE 3

TABLE 4

TABLE 5

The setting of the Sensing TX profile sub-ie is shown in table 6 (containing one or more of the parameters in the table), for example.

TABLE 6

When the response role value is 0 and the Reporting mode value is 1, the Sensing TX profile sub-information element further includes parameters of Reporting sending time and Reporting duration, where the Reporting sending time is used to indicate the start time of sending a report, and the Reporting duration is used to indicate the time duration required for sending the report.

102.after receiving the sending setup request message, the responder STA sets the Sensing Response elements information element according to the parameters in the sending setup request message, and the information element is contained in the sending setup Response message and is sent to the Initiator STA.

Wherein, the setting of the Sensing Response elements information elements according to the parameters in the Sensing setup request message is shown in table 7.

TABLE 7

Sensing control

Sensing TX profile

The settings shown in table 7 indicate that a Sensing Response elements information element includes a Sensing control sub-information element and a Sensing TX profile sub-information element.

Table 8 shows examples of the setting of the Sensing control sub information element.

TABLE 8

TABLE 9

TABLE 10

The setting of the Sensing TX profile sub-ie is shown, for example, in table 11 (containing one or more of the parameters in the table).

TABLE 11

When the response role value is 0 and the Reporting mode value is 1, the Sensing TX profile sub-information element further includes parameters of a Reporting sending time and a Reporting duration, where the Reporting sending time is used to indicate the start time of sending the report, and the Reporting duration is used to indicate the time duration required for sending the report.

It should be noted that the Response STA may include all parameters in the Sensing Response elements information element, or may include only parameters different from the value in the received Sensing Request elements information element in the Sensing Response elements information element.

103. If the Initiator STA is the receiver (receiver) of the Sensing data packet and the Responder STA is the sender (transmitter) of the Sensing data packet, i.e. the Responder roll value in the Sensing Response elements is 1,

1) If the sending setup request or sending setup response message contains the parameter SDP TX time, or contains the parameters SDP TX time and Trigger, and the value of Trigger is 0, starting to send a sensing data packet according to the time indicated by the SDP TX time;

2) If the sending setup request or sending setup response message contains the parameter Trigger and the value is 1, the Responder STA starts to send the sensing data packet after receiving the Trigger message sent by the Initiator STA;

3) If the sending setup request or sending setup response message contains the parameter Trigger with the value of 1 and also contains the parameter SDP TX time with the value of non-0, ignoring the parameter SDP TX time;

4) If the sending setup request and the sending setup response message do not contain the parameter SDP TX time and do not contain the parameter Trigger, or the sending setup request or the sending setup response message contains the parameter Trigger and the value is 0, the sensing data packet is not sent;

5) If the sending setup request or sending setup response message contains parameter SDP duration, setting TXOP value according to SDP duration value, wherein TXOP is the time length for sending data packet; otherwise, determining the time length for sending the data packet according to the size of the actually constructed sensing data packet, the coding strategy and the channel bandwidth;

6) If the sending setup request or sending setup response message contains SDP interval Mantissa and SDP interval expoint, according to the values of SDP interval Mantissa and SDP interval expoint, according to the formula SDP interval Mantissa multiplied by 2 ^{SDP intervalexponent} Calculating the sending time interval of the sensing data packet; otherwise, taking the sending time interval of the broadcast message (such as beacon message) as the sending time interval of the sensing data packet;

7) If the sending setup request or sending setup response message contains parameter Broadcast mode and its value is 1, setting the value of RA field in the message containing sensing data packet as Broadcast address, RA representing receiver address, namely the address of message receiver, if the value of Broadcast mode is 0, setting the value of RA field in the message containing sensing data packet as the address of Initiator STA;

8) If the sending setup request or sending setup response message contains the parameter sending protection and the value is 1, the Responder STA ensures that the Sensing data packet can be normally sent at each sending moment through scheduling or setting the Sensing data packet as the highest priority in competitive access and other modes; if the Sensing protection value is 0, using a common priority to compete for sending opportunity when a Sensing data packet needs to be sent;

9) And the Initiator STA receives the sensing data packet sent by the response STA and measures the sensing data packet.

104. If the Initiator STA is the sender (transmitter) of the Sensing data packet and the Responder STA is the receiver (receiver) of the Sensing data packet, i.e. the Responder roll value in the Sensing Response elements is 0,

1) The Initiator STA performs transmission of the sensing packet according to 1) -8) in 103;

2) If the sending setup request or the sending setup response message contains the parameter Result mode, the Responder STA constructs a measurement report according to the value of the parameter contained in the Result mode; if the parameter Result mode is not included, one or more values of CSI matrix, compressed Beamforming feedback matrix, beamforming SNR, doppler and Sensing event can be selectively reported;

3) If the sending setup request or sending setup response message contains a parameter Reporting mode and the value is 0, the Responder STA sends a measurement report through a feedback response message after receiving a feedback request (feedback request) message sent by the Initiator STA; and if the value of the parameter Reporting mode is 1, sending a measurement report according to Reporting sending time, and setting the sending duration of a message containing the measurement report according to Reporting duration.

In the embodiment of the present invention, based on the same inventive concept as the above method for negotiating and measuring a wireless sensing process, an apparatus for negotiating a wireless sensing process is further provided in the embodiment of the present invention, and is applied to an initiator of a sensing process, and the apparatus includes:

The embodiment of the invention also provides another device for negotiating the wireless sensing process, which is applied to a responder of the sensing process and comprises the following steps:

a communication module I, configured to receive a Sensing establishment request message sent by an initiator, where the Sensing establishment request message includes a wireless Sensing request information element, and the wireless Sensing request information element includes a Sensing control sub-information element and one or more first Sensing transmission information sub-information elements, where the Sensing control sub-information element includes parameters of a Sensing session ID, a Negotiation type, and a response role, where the Sensing session ID is used to indicate an identifier of a Sensing process, the Negotiation type is used to indicate a Negotiation type, the response role is used to indicate a role of a Responder in the Sensing process, and the first Sensing transmission information sub-information element is used to carry Sensing data packet transmission parameters requested by the initiator;

The embodiment of the invention provides a device for measuring a wireless sensing process, which comprises:

a negotiation module, configured to perform a wireless awareness process negotiation according to the method for wireless awareness process negotiation related to the foregoing embodiment;

In this embodiment of the present invention, based on the same inventive concept as the above method for negotiating a wireless aware process, an embodiment of the present invention further provides a device for executing a wireless aware process, where the device includes a processor and a memory, where the memory stores at least one instruction, at least one section of program code, a code set, or an instruction set, and the at least one instruction, at least one section of program code, a code set, or an instruction set is loaded and executed by the processor, so as to implement the method for negotiating and measuring a wireless aware process according to the above embodiment.

Furthermore, an embodiment of the present invention further provides a computer-readable storage medium, where at least one instruction, at least one program code, a code set, or a set of instructions is stored in the computer-readable storage medium, and the at least one instruction, the at least one program code, the code set, or the set of instructions is loaded and executed by a processor to implement the method for negotiating and measuring a wireless-aware process according to the foregoing embodiment.

It should be understood that, in various embodiments of the present invention, the sequence numbers of the above-mentioned processes do not mean the execution sequence, some or all of the steps may be executed in parallel or executed sequentially, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.

Those of ordinary skill in the art will appreciate that the various illustrative elements 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 technical 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 invention.

It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.

In the embodiments provided in the present invention, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the modules is merely a logical division, and in actual implementation, there may be other divisions, for example, multiple modules or components may be combined or integrated into another system, or some features may be omitted, or not implemented.

The modules described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one position, or may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. In addition, functional modules in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more modules are integrated into one unit.

The functions may be stored in a computer-readable storage medium if they are implemented in the form of software functional units and sold or used as separate products. Based on such understanding, the technical solution of the present invention or a part thereof, which essentially contributes to the prior art, can be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, a network device or a terminal device, etc.) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: u disk, removable hard disk, ROM, RAM) magnetic or optical disk, or the like.

The word "if" or "if" as used herein may be interpreted as "at … …" or "at … …" or "in response to a determination" or "in response to a detection", depending on the context. Similarly, the phrase "if determined" or "if detected (a stated condition or event)" may be interpreted as "upon determining" or "in response to determining" or "upon detecting (a stated condition or event)" or "in response to detecting (a stated condition or event)", depending on the context.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. A method for negotiating a wireless aware process, applied to an initiator of the wireless aware process, is characterized by comprising:

receiving a perception establishment response message sent by a responder, wherein the perception establishment response message comprises a wireless perception response information element, the wireless perception response information element comprises a perception control sub-information element and a second perception sending information sub-information element, and the second perception sending information sub-information element is used for bearing perception data packet sending parameters confirmed by the responder.

2. A method for negotiation of a wireless aware process, which is applied to a responder of the wireless aware process, is characterized by comprising the following steps:

and sending a perception establishing response message to the initiator, wherein the perception establishing response message comprises a wireless perception response information element, the wireless perception response information element comprises a perception control sub-information element and a second perception sending information sub-information element, and the second perception sending information sub-information element is used for bearing perception data packet sending parameters confirmed by the responder.

3. The method of claim 1 or 2, wherein the parameter Negotiation type value in the sensing establishment request message is set to a first value or a second value, wherein the first value indicates that the initiator proposes to use the sensing data packet transmission parameters provided by the initiator, and different sensing data packet transmission parameters provided by the responder can be accepted; the second value indicates that the initiator-provided aware packet transmission parameters must be used and different aware packet transmission parameters provided by the responder are not accepted.

4. The method of claim 3, wherein when the initiator is a terminal device, the value of the parameter Negotiation type in the sensing establishment request message is set to a first value; and when the initiator is the access equipment, setting the parameter Negotiation type value in the perception establishment request message as a second value.

5. The method as claimed in claim 3, wherein when the parameter Negotiation type value in the sensing establishment request message is set to a first value, the parameter Negotiation type value in the sensing establishment response message is set to a third value or a fourth value or a fifth value, and when the parameter Negotiation type value in the sensing establishment request message is set to a second value, the parameter Negotiation type value in the sensing establishment response message is set to a third value or a fifth value, wherein the third value indicates acceptance of the sensing process and approval of the initiator request, the fourth value indicates acceptance of the sensing process and specification of a new sensing packet transmission parameter, and the fifth value indicates non-acceptance of the sensing process.

6. The method of claim 1 or 2, wherein the awareness control sub-information element further includes one or more of parameters Broadcast mode, trigger, and Time unit, wherein Broadcast mode is used to indicate whether to send the awareness packet, trigger is used to indicate whether to start sending the awareness packet, and Time unit is used to indicate the unit of Time value.

7. The method according to claim 1 or 2, wherein when the response role value indicates that the role of the Responder in the aware process is a receiver of the aware packet, the aware control sub-ie further includes a Result mode and a Reporting mode, wherein the Result mode is used to indicate a Result type of the report, and the Reporting mode is used to indicate a mode for sending the report.

8. The method of claim 7, wherein Result mode contains one or more of the following parameters:

doppler: for indicating whether a doppler shift is reported;

sensing event: indicating whether to report a perceived event.

9. The method of claim 7, wherein the report transmission modes comprise a trigger-based reporting mode and a schedule-based reporting mode.

10. The method according to claim 9, wherein when a Reporting mode value indicates that a report sending mode is a scheduling-based Reporting mode, the first perceptual sending information sub-information element includes parameters of a Reporting sending time and a Reporting duration, wherein the Reporting sending time is used for indicating a start time of sending a report, and the Reporting duration is used for indicating a duration required for sending the report.

11. The method of claim 1 or 2, wherein the first perceptually transmitted information subinformation element comprises one or more of the following parameters:

SDP TX time: for indicating the transmission time of the perception data packet;

SDPinterval Mantissa: a parameter one for indicating a sensing data packet transmission time interval;

SDPinterval exponent: a second parameter for indicating a transmission time interval of the sensing data packet;

12. The method of claim 1 or 2, wherein the second perceptually transmitted information sub-ie contains the same parameters as the first perceptually transmitted information sub-ie.

13. The method of claim 1 or 2, wherein the second perceptually transmitted information subinformation element only contains parameters different from the received first perceptually transmitted information subinformation element.

14. A method of wireless-aware process measurement, comprising:

performing a wireless-aware process negotiation according to the method of any one of claims 1-13;

15. The method of claim 14, wherein the performing the sensing measurement according to the parameter in the sensing establishment request message and/or the sensing establishment response message comprises:

the sender of the perception data packet executes the sending of the perception data packet according to the parameters in the perception establishing request message and/or the perception establishing response message;

16. The method of claim 15, wherein the performing of the transmission of the sensing data packet according to the parameters in the sensing establishment request message and/or the sensing establishment response message comprises:

if the sensing establishment request message or the sensing establishment response message contains parameters SDP interval Mantissa and SDP interval exponents, according to the values of SDP interval Mantissa and SDP interval exponents, according to the formula SDP interval Mantissa multiplied by 2 ^{SDPintervalexponent} Calculating the sending time interval of the sensing data packet; otherwise, taking the sending time interval of the broadcast message as the sending time interval of the sensing data packet;

if the Sensing establishment request message or the Sensing establishment response message contains the parameter Sensing protection, if the value of the Sensing protection indicates that the Sensing data packet is transmitted and protected, the transmitting party of the Sensing data packet can ensure that the Sensing data packet can be normally transmitted at each transmitting moment through scheduling or setting the Sensing data packet as the highest priority mode in competitive access; and if the Sensing protection value indicates that the Sensing data packet sending protection is not executed, using the common priority to compete for sending opportunity when the Sensing data packet needs to be sent.

17. The method of claim 15, wherein the performing the reception and measurement of the sensing data packet according to the parameters in the sensing establishment request message and/or the sensing establishment response message, and sending the measurement report comprises:

18. The method of claim 15, wherein the performing the reception and measurement of the sensing data packet according to the parameters in the sensing establishment request message and/or the sensing establishment response message, and sending the measurement report comprises:

reporting one or more values of a channel state information matrix, a compressed beamforming feedback matrix, a beamforming signal-to-noise ratio, a doppler shift, and a sensing event if the parameter Result mode is not included in the sensing setup request message and the sensing setup response message.

19. An apparatus for negotiation of a wireless aware process, applied to an initiator of the wireless aware process, comprising:

the first communication module is used for sending a perception establishment request message to a Responder, wherein the perception establishment request message comprises a wireless perception request information element, the wireless perception request information element comprises a perception control sub-information element and one or more first perception sending information sub-information elements, the perception control sub-information element comprises parameters of a Sensing session ID, a Negotiation type and a response role, the Sensing session ID is used for indicating an identification of a perception process, the Negotiation type is used for indicating a Negotiation type, the response role is used for indicating a role of the Responder in the perception process, and the first perception sending information sub-information element is used for carrying a perception data packet sending parameter requested by an initiator;

20. An apparatus for wireless aware process negotiation, applied to a responder of a wireless aware process, comprising:

21. An apparatus for wireless aware process measurement, comprising:

a negotiation module for performing a wireless-aware process negotiation according to the method of any one of claims 1-13;

and the measurement module is used for executing perception measurement according to the parameters in the perception establishment request message and/or the perception establishment response message.

22. A wireless-aware process execution device, comprising a processor and a memory, wherein the memory has stored therein at least one instruction, at least one piece of program code, a set of codes, or a set of instructions, which is loaded and executed by the processor to implement the method of wireless-aware process negotiation of any of claims 1-13 or the method of wireless-aware process measurement of any of claims 14-18.

23. A computer readable storage medium having stored therein at least one instruction, at least one piece of program code, a set of codes, or a set of instructions, which is loaded and executed by a processor to implement the method of wireless aware process negotiation of any one of claims 1 to 13 or the method of wireless aware process measurement of any one of claims 14 to 18.