CN113132917B - Method, device and storage medium for sending and receiving perception signal in perception process - Google Patents
Method, device and storage medium for sending and receiving perception signal in perception process Download PDFInfo
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- CN113132917B CN113132917B CN202110403248.2A CN202110403248A CN113132917B CN 113132917 B CN113132917 B CN 113132917B CN 202110403248 A CN202110403248 A CN 202110403248A CN 113132917 B CN113132917 B CN 113132917B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
Abstract
The invention discloses a method, a device and a storage medium for sending and receiving a sensing signal in a sensing process. The method for receiving the perception signal in the perception process is applied to an initiator initiating the perception process and comprises the following steps: reading a broadcast message sent by a responder; if the broadcast message contains a sensing signal sending information element, receiving a sensing signal according to the sensing signal sending information element; otherwise, sending a sensing request message to the responder, wherein the sensing request message comprises the category of the requested sensing service. The invention provides a method for optimizing the sending and receiving of perception signals through a broadcasting mechanism, which can reduce the consumption of wireless resources when a plurality of perceptions are executed simultaneously, thereby reducing the influence on data services when a plurality of perception processes occur, providing perception services and simultaneously ensuring the quality of the data services.
Description
Technical Field
The present invention relates to the field of wireless communications, and in particular, to a method, an apparatus, and a storage medium for transmitting and receiving a sensing signal in a sensing process.
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
In the conventional wireless sensing process, an initiator (initiator) initiates a sensing process, a responder (responder) responds to the sensing process, and after coordinating roles, parameters, reporting modes and the like of sensing signal transmission and reception, the initiator and the responder start to execute a sensing measurement process. When a plurality of devices need to use the wireless sensing service to start the wireless sensing process, in the coordination stage, each process needs to execute a plurality of control signaling, which affects the service quality such as the throughput and the service delay of the service. In view of this, embodiments of the present invention provide a method, an apparatus, and a storage medium for sending and receiving a sensing signal in a sensing process.
In a first aspect, an embodiment of the present invention provides a method for receiving a sensing signal in a sensing process, which is applied to an initiator initiating the sensing process, and includes:
reading a broadcast message sent by a responder;
if the broadcast message contains a sensing signal sending information element, receiving a sensing signal according to the sensing signal sending information element; otherwise, sending a sensing request message to the responder, wherein the sensing request message comprises the category of the requested sensing service.
In a possible implementation manner, if the broadcast message further includes a Sensing _ TX _ outputting parameter for indicating whether a Sensing signal is being sent, the Sensing signal is received according to a Sensing signal sending information element when the Sensing _ TX _ outputting parameter indicates that the Sensing signal is being sent and the broadcast message includes the Sensing signal sending information element; when the parameter Sensing _ TX _ entering indicates that no Sensing signal is being sent, a Sensing request message is sent to the responder, wherein the Sensing request message comprises the requested Sensing service class.
In a possible implementation manner, the Sensing signal transmission information element includes parameters Sensing class, Sensing _ Beacon TX Diff and Sensing TX RU, where Sensing class is used to indicate a category of a Sensing service, Sensing _ Beacon TX Diff is used to indicate transmission time of a Sensing signal, and Sensing TX RU is used to indicate resource information of Sensing signal transmission.
In a possible implementation manner, the Sensing signal sending information element further includes a Sensing TX interval, where the Sensing TX interval is used to indicate a sending interval of the Sensing signal.
In a possible implementation manner, the receiving a sensing signal according to the sensing signal sending information element includes:
judging whether the requirement of the self-Sensing service is met or not according to the value of the Sensing class;
if the requirement of the self-Sensing service is met, calculating the time for receiving the Sensing signal according to the Sensing _ Beacon TX Diff, receiving the Sensing signal at the calculated time, and receiving the Sensing signal according to the resource specified by the Sensing TX RU;
and if the requirement of the self-perception service is not met, sending a perception request message to a responder, wherein the perception request message comprises the category of the requested perception service.
In a possible implementation manner, the receiving a sensing signal according to the sensing signal sending information element includes:
judging whether the requirement of the self-Sensing service is met or not according to the value of the Sensing class;
if the requirement of the self-Sensing service is met, calculating the time for receiving the Sensing signal according to the Sensing _ Beacon TX Diff, receiving the Sensing signal at the calculated time, receiving the Sensing signal according to the resource specified by the Sensing TX RU, and receiving the Sensing signal by taking the Sensing TX interval as a period;
and if the requirement of the self-perception service is not met, sending a perception request message to a responder, wherein the perception request message comprises the category of the requested perception service.
In one possible implementation manner, the method further includes: sending a sense-to-disconnect request message to the responder.
In one possible implementation manner, the method further includes: the class of the sensing service is predefined according to performance parameters of the sensing measurement.
In a second aspect, an embodiment of the present invention provides a method for sending a sensing signal in a sensing process, where the method is applied to a responder responding to the sensing process, and includes:
and sending a broadcast message containing a sensing signal sending information element, and sending a sensing signal according to the sensing signal sending information element.
In a possible implementation manner, the broadcast message further includes a parameter Sensing _ TX _ ongoing for indicating whether a Sensing signal is being transmitted.
In a possible implementation manner, the Sensing signal transmission information element includes parameters Sensing class, Sensing _ Beacon TX Diff and Sensing TX RU, where Sensing class is used to indicate a category of a Sensing service, Sensing _ Beacon TX Diff is used to indicate transmission time of a Sensing signal, and Sensing TX RU is used to indicate resource information of Sensing signal transmission.
In a possible implementation manner, the Sensing signal sending information element further includes a Sensing TX interval, where the Sensing TX interval is used to indicate a sending interval of the Sensing signal.
In a possible implementation manner, before sending the broadcast message containing the perceptual signaling information element, the method further includes:
receiving a sensing request message sent by an initiator, wherein the sensing request message comprises the type of a requested sensing service;
if the requested class of awareness traffic is granted and the responder is the sender in the awareness process, an awareness signaling information element is included in the broadcast message.
In a possible implementation manner, before sending the broadcast message containing the perceptual signaling information element, the method further includes:
receiving a sensing request message sent by an initiator, wherein the sensing request message comprises the type of a requested sensing service;
if the requested class of perceptual traffic is agreed and the responder is the sender in the perceptual process, setting a parameter Sensing _ TX _ ongoing in the broadcast message indicates that a perceptual signal is being sent and contains a perceptual signal sending information element.
In one possible implementation manner, the broadcast message including the sensing signal transmission information element is transmitted with a Beacon _ Interval _ SENS as a period, where Beacon _ Interval _ SENS is Beacon _ Interval × N, N is Num _ SENS +1, Beacon _ Interval is a period of broadcast message transmission, and Num _ SENS indicates the number of sensing signals being transmitted by the responder.
In one possible implementation manner, the method further includes:
receiving a perception disconnection request message sent by an initiator;
the class of the requested Sensing service contained in the Sensing request message is deleted from the Sensing class parameter of the Sensing signaling information element in the broadcast message.
In a possible implementation manner, after deleting the category of the requested Sensing service included in the Sensing request message from the parameter Sensing class of the Sensing signaling information element in the broadcast message, the method further includes:
if the parameter Sensing class value is null, the Sensing signaling information element is deleted in the broadcast message, or the Sensing signaling information element is deleted in the broadcast message and the parameter Sensing _ TX _ ongoing is set to indicate that no Sensing signal is being transmitted.
In one possible implementation manner, the method further includes: the class of the sensing service is predefined according to performance parameters of the sensing measurement.
In a third aspect, an embodiment of the present invention provides an apparatus for receiving a sensing signal in a sensing process, which is applied to an initiator initiating the sensing process, and includes:
the communication unit is used for reading the broadcast message sent by the responder;
the execution unit is used for receiving the sensing signal according to the sensing signal sending information element if the sensing signal sending information element is contained in the broadcast message; otherwise, sending a sensing request message to the responder, wherein the sensing request message comprises the category of the requested sensing service.
In one possible implementation, the execution unit is further configured to: if the broadcast message also comprises a parameter Sensing _ TX _ entering for indicating whether the Sensing signal is being sent, when the parameter Sensing _ TX _ entering indicates that the Sensing signal is being sent and the broadcast message comprises a Sensing signal sending information element, the Sensing signal is sent according to the Sensing signal sending information element to receive the Sensing signal; when the parameter Sensing _ TX _ entering indicates that no Sensing signal is being sent, a Sensing request message is sent to the responder, wherein the Sensing request message comprises the requested Sensing service class.
In a fourth aspect, an embodiment of the present invention provides an apparatus for sending a sensing signal in a sensing process, where the apparatus is applied to a responder that responds to the sensing process, and includes:
and the communication unit is used for sending the broadcast message containing the sensing signal sending information element and sending the sensing signal according to the sensing signal sending information element.
In one possible implementation manner, the method further includes:
the device comprises a setting unit, a receiving unit and a processing unit, wherein the setting unit is used for receiving a sensing request message sent by an initiator, and the sensing request message comprises the type of a requested sensing service; if the requested class of the Sensing service is agreed and the responder is the sender in the Sensing process, a Sensing signal transmission information element is contained in the broadcast message, or a parameter Sensing _ TX _ one is set in the broadcast message to indicate that the Sensing signal is being transmitted and contain the Sensing signal transmission information element.
In one possible implementation manner, the communication unit transmits the broadcast message including the sensing signal transmission information element with Beacon _ Interval _ SENS as a period, where Beacon _ Interval _ SENS is Beacon _ Interval × N, N is Num _ SENS +1, Beacon _ Interval is a period of broadcast message transmission, and Num _ SENS indicates the number of sensing signals being transmitted by the responder.
In a fifth aspect, an embodiment of the present invention provides an apparatus for executing a sensing process, where the apparatus includes a processor and a memory, where the memory stores at least one instruction, at least one piece of program code, a set of codes, or a set of instructions, and the at least one instruction, at least one piece of program code, at least one set of codes, or a set of instructions is loaded and executed by the processor, so as to implement a method for receiving a sensing signal in a sensing process described in the first aspect or a possible implementation manner of the first aspect, or a method for sending a sensing signal in a sensing process described in the second aspect or a possible implementation manner of the second aspect.
In a sixth 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 a method for receiving a sensing signal in a sensing process described in the first aspect or the possible implementation manner of the first aspect, or a method for sending a sensing signal in a sensing process described in the second aspect or the possible implementation manner of the second aspect.
It should be noted that the apparatus according to the third aspect is configured to perform the method provided by the first aspect, the apparatus according to the fourth aspect is configured to perform the method provided by the second aspect, and the apparatus according to the fifth aspect and the readable storage medium according to the sixth aspect are configured to perform the method provided by the first aspect or the second aspect, so that the same beneficial effects as those of the method according to the first aspect or the second aspect can be achieved, and the embodiments of the present invention are not described in detail again.
The invention provides a method for optimizing the sending and receiving of perception signals through a broadcasting mechanism, which can reduce the consumption of wireless resources when a plurality of perceptions are executed simultaneously, thereby reducing the influence on data services when a plurality of perception processes occur, providing perception services and simultaneously ensuring the quality of the data services.
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 are not intended to 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.
In the embodiment of the present invention, a terminal (STA) is taken as an initiator, and an Access Point (AP) is taken as a responder.
It should be noted that, the terminal and the access point predefined classes of the perceived service locally, each class sets performance parameters of the perceived measurement, and the performance parameters may set a part thereof, as shown in table 1.
TABLE 1
The terminal establishes connection with the access point, and the terminal continuously reads beacon messages sent by the access point, wherein the beacon messages are broadcast messages sent by the access point.
When an access point receives a Sensing request (Sensing request) message sent by a certain terminal, if the type of a Sensing service requested by the terminal is agreed and the access point is used as a sender (transmitter) in a Sensing process, namely, a side sending a Sensing signal in the Sensing process, a Sensing signal sending information element sending TX element is contained in a beacon message, and the Sensing signal is sent according to the Sensing TX element, otherwise, the Sensing signal sending information element sending TX element is not contained in the beacon message. In some embodiments, the access point may also include Sensing TX element in a Beacon message with a Beacon _ Interval _ SENS period, where Beacon _ Interval _ SENS is Beacon _ Interval × N, Beacon _ Interval is the period of Beacon message transmission, and N is Num _ SENS +1, where Num _ SENS represents the number of Sensing signals being transmitted by the access point, where the number is counted according to the category of the Sensing traffic, for example, when the access point is transmitting Sensing signals with Sensing class 1 and 2, Num _ SENS 2.
The Sensing TX element setting is shown in table 2.
TABLE 2
Specifically, the sending of the Sensing signal by the access point according to the Sensing TX element includes:
calculating the time for sending the Sensing signal according to the Sensing _ Beacon TX Diff, sending the Sensing signal at the calculated time, and sending the Sensing signal according to the resources specified by the Sensing TX RU, for example, the specified resources may be channel frequency, channel bandwidth, or channel number;
and if the Sensing TX interval is contained, sending a Sensing signal by taking the Sensing TX interval as a period.
When a terminal needs to initiate a Sensing process, checking a beacon message of a read access point, if the beacon message contains a Sensing TX element, receiving a Sensing signal according to the Sensing TX element, otherwise, sending a Sensing request message to the access point, wherein the Sensing request message contains the type of the requested Sensing service. Receiving a Sensing signal according to a Sensing TX element specifically includes:
judging whether the requirement of the self-perception service is met or not according to the value of the Sensing class, for example, the class of the self-perception service is 1, the value of the Sensing class in the beacon message is 2, and if the class value is larger, the requirement that the class value is smaller can be met, the requirement of the self-perception service is considered to be met because 2 is larger than 1;
1) if the requirement of self-Sensing service is met, calculating the time for reading the Sensing signal according to the Sensing _ Beacon TX Diff, receiving the Sensing signal at the calculated time, and receiving the Sensing signal according to the resources specified by the Sensing TX RU, wherein the specified resources can be channel frequency, channel bandwidth, channel number and the like;
if the Sensing TX interval is included, the Sensing TX interval is taken as a period to receive a perception signal.
2) And if the requirement of the self-sensing service is not met, sending a sending request message to the access point, wherein the sending request message comprises the type of the requested sensing service.
When the sensing service is finished, the terminal which starts the sensing process by sending the sensing request message needs to send a sensing disconnection request (sensing teardown request) message when the sensing process is terminated. If the access point receives a sending teardown request message, deleting the service class corresponding to the Sensing process from the parameter Sensing class of the information element Sensing TX element in the beacon message; if the parameter Sensing class value is null after the deletion, the information element Sensing TX element is deleted in the beacon message.
In some embodiments, a parameter Sensing _ TX _ restricting for indicating whether a Sensing signal is being transmitted may be included in a broadcast message, and at this time, the method for transmitting and receiving a Sensing signal in the Sensing process of the embodiment of the present invention includes:
when an access point receives a Sensing request (Sensing request) message sent by a certain terminal, if the type of a Sensing service requested by the terminal is agreed and the access point is used as a sender (transmitter) in a Sensing process, namely, a side sending a Sensing signal in the Sensing process, a Sensing response message is sent to the terminal, the Sensing response message indicates an acceptance request and sets a parameter Sensing _ TX _ on value to be true, namely, the Sensing signal is indicated to be sent, the Sensing _ TX _ on is contained in a beacon message for broadcasting, and a Sensing signal sending information element Sensing TX element is contained in the beacon message at the same time, otherwise, the Sensing response message is sent to the terminal, and the Sensing response message indicates a rejection request. The Sensing TX element setting is shown in table 3.
TABLE 3
When a terminal needs to initiate a Sensing process, checking a read beacon message of an access point, if the value of a parameter Sensing _ TX _ on in the beacon message is true and contains Sensing TX element, receiving a Sensing signal according to the Sensing TX element, and when the parameter Sensing _ TX _ on indicates that the Sensing signal is not sent, sending a sending request message to the access point, wherein the sending request message contains the type of the requested Sensing service. Receiving a Sensing signal according to a Sensing TX element specifically includes:
judging whether the requirement of the self-perception service is met or not according to the value of the Sensing class, for example, the class of the self-perception service is 1, the value of the Sensing class in the beacon message is 2, and if the class value is larger, the requirement that the class value is smaller can be met, the requirement of the self-perception service is considered to be met because 2 is larger than 1;
1) if the requirement of self-Sensing service is met, calculating the time for reading the Sensing signal according to the Sensing _ Beacon TX Diff, receiving the Sensing signal at the calculated time, and receiving the Sensing signal according to the resources specified by the Sensing TX RU, wherein the specified resources can be channel bandwidth or channel number and the like;
if the Sensing TX interval is included, the Sensing TX interval is taken as a period to receive a perception signal.
2) And if the requirement of the self-sensing service is not met, sending a sending request message to the access point, wherein the sending request message comprises the type of the requested sensing service.
When the sensing service is finished, the terminal which starts the sensing process by sending the sensing request message needs to send a sensing disconnection request (sensing teardown request) message when the sensing process is terminated. If the access point receives a sending teardown request message, deleting the service class corresponding to the Sensing process from the parameter Sensing class of the information element Sensing TX element in the beacon message; if the parameter Sensing class value is null after the deletion, the information element Sensing TX element is deleted in the beacon message, and the value of the parameter Sensing _ TX _ ongoing is set to false, indicating that the access point is not transmitting a Sensing signal.
In the embodiment of the present invention, based on the same inventive concept as the method for sending and receiving a sensing signal in the sensing process, an apparatus for receiving a sensing signal in a sensing process is further provided in the embodiment of the present invention, and is applied to an initiator initiating a sensing process, including:
the communication unit is used for reading the broadcast message sent by the responder;
the execution unit is used for receiving the sensing signal according to the sensing signal sending information element if the sensing signal sending information element is contained in the broadcast message; otherwise, sending a sensing request message to the responder, wherein the sensing request message comprises the category of the requested sensing service.
Optionally, the execution unit is further configured to: if the broadcast message also comprises a parameter Sensing _ TX _ entering for indicating whether the Sensing signal is being sent, when the parameter Sensing _ TX _ entering indicates that the Sensing signal is being sent and the broadcast message comprises a Sensing signal sending information element, the Sensing signal is sent according to the Sensing signal sending information element to receive the Sensing signal; when the parameter Sensing _ TX _ entering indicates that no Sensing signal is being sent, a Sensing request message is sent to the responder, wherein the Sensing request message comprises the requested Sensing service class.
The embodiment of the invention also provides a device for sending the sensing signal in the sensing process, which is applied to a responder responding to the sensing process and comprises the following steps:
and the communication unit is used for sending the broadcast message containing the sensing signal sending information element and sending the sensing signal according to the sensing signal sending information element.
Optionally, the system further includes a setting unit, configured to receive a sensing request message sent by an initiator, where the sensing request message includes a category of a requested sensing service; if the requested class of the Sensing service is agreed and the responder is the sender in the Sensing process, a Sensing signal transmission information element is contained in the broadcast message, or a parameter Sensing _ TX _ one is set in the broadcast message to indicate that the Sensing signal is being transmitted and contain the Sensing signal transmission information element.
Optionally, the communication unit transmits the broadcast message including the sensing signal transmission information element with Beacon _ Interval _ SENS as a period, where Beacon _ Interval _ SENS is Beacon _ Interval × N, N is Num _ SENS +1, Beacon _ Interval is a period of broadcast message transmission, and Num _ SENS indicates the number of sensing signals being transmitted by the responder.
In this embodiment of the present invention, based on the same inventive concept as the method for sending and receiving the sensing signal in the sensing process, an embodiment of the present invention further provides a sensing process executing apparatus, where the apparatus 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 sending and receiving the sensing signal in the sensing process according to the 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 sending and receiving the sensing signal in the sensing process according to the above-described 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 implementation. 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 place, or may be distributed on a plurality of 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, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. 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 "when … …" or "in response to a determination" or "in response to a detection", depending on the context. Similarly, the phrases "if determined" or "if detected (a stated condition or event)" may be interpreted as "when determined" or "in response to a determination" or "when detected (a stated condition or event)" or "in response to a detection (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 (23)
1. A method for receiving a sensing signal in a sensing process is applied to an initiator initiating the sensing process, and is characterized by comprising the following steps:
reading a broadcast message sent by a responder;
if the broadcast message contains a sensing signal sending information element, receiving a sensing signal according to the sensing signal sending information element; otherwise, sending a sensing request message to a responder, wherein the sensing request message comprises the type of the requested sensing service;
the sending information element of the sensing signal indicates the type of the sensing service, the sending time of the sensing signal and the resource information of the sensing signal sending, and the receiving of the sensing signal according to the sending information element of the sensing signal comprises:
if the type of the perception service indicated in the perception signal sending information element meets the requirement of the self perception service, calculating the time for receiving the perception signal according to the sending time of the perception signal indicated in the perception signal sending information element, receiving the perception signal at the calculated time, and receiving the perception signal according to the resource designated by the resource information sent by the perception signal indicated in the perception signal sending information element.
2. The method of claim 1, wherein if the broadcast message further includes a Sensing _ TX _ outputting parameter for indicating whether a Sensing signal is being transmitted, the Sensing _ TX _ outputting parameter indicates that a Sensing signal is being transmitted, and the broadcast message includes a Sensing signal transmission information element, the Sensing signal is received according to the Sensing signal transmission information element; when the parameter Sensing _ TX _ entering indicates that no Sensing signal is being sent, a Sensing request message is sent to the responder, wherein the Sensing request message comprises the requested Sensing service class.
3. The method as claimed in claim 1, wherein the Sensing signal sending ie further includes a Sensing TX interval, and the Sensing TX interval is used to indicate the sending interval of the Sensing signal.
4. The method of claim 1, wherein the sending information elements according to the perceptual signal to receive the perceptual signal further comprises:
and if the type of the sensing service indicated in the sensing signal sending information element does not meet the requirement of the self sensing service, sending a sensing request message to a responder, wherein the sensing request message comprises the type of the requested sensing service.
5. The method of claim 3, wherein the sending information elements according to the perceptual signal to receive the perceptual signal further comprises:
the Sensing TXinterval is taken as a period to receive the Sensing signal.
6. The method for receiving a sensing signal in a sensing process according to claim 1 or 2, further comprising:
sending a sense-to-disconnect request message to the responder.
7. The method for receiving a sensing signal in a sensing process according to claim 1 or 2, further comprising:
the class of the sensing service is predefined according to performance parameters of the sensing measurement.
8. A method for sending a sensing signal in a sensing process, which is applied to a responder responding to the sensing process, is characterized by comprising the following steps:
sending a broadcast message containing a sensing signal sending information element, and sending a sensing signal according to the sensing signal sending information element;
the sending of the sensing signal according to the sensing signal sending information element includes:
and calculating the time for sending the sensing signal according to the sending time of the sensing signal indicated in the sensing signal sending information element, sending the sensing signal at the calculated time, and sending the sensing signal according to the resource specified by the resource information sent by the sensing signal indicated in the sensing signal sending information element.
9. The method of claim 8, wherein the broadcast message further comprises a Sensing _ TX _ on _ ing parameter for indicating whether a Sensing signal is being transmitted.
10. The method as claimed in claim 8, wherein the Sensing signal sending ie further includes a Sensing TX interval, and the Sensing TX interval is used to indicate the sending interval of the Sensing signal.
11. The method of claim 8, further comprising, prior to sending the broadcast message containing the perceptive signaling information element:
receiving a sensing request message sent by an initiator, wherein the sensing request message comprises the type of a requested sensing service;
if the requested class of awareness traffic is granted and the responder is the sender in the awareness process, an awareness signaling information element is included in the broadcast message.
12. The method of claim 9, further comprising, before sending the broadcast message containing the perceptual signaling information element:
receiving a sensing request message sent by an initiator, wherein the sensing request message comprises the type of a requested sensing service;
if the requested class of perceptual traffic is agreed and the responder is the sender in the perceptual process, setting a parameter Sensing _ TX _ ongoing in the broadcast message indicates that a perceptual signal is being sent and contains a perceptual signal sending information element.
13. The method of claim 8 or 9, wherein the broadcast message containing the sensing signal transmission information element is transmitted in a period of Beacon _ Interval _ SENS, where Beacon _ Interval _ SENS is Beacon _ Interval × N, N is Num _ SENS +1, Beacon _ Interval is a period of broadcast message transmission, and Num _ SENS represents the number of sensing signals being transmitted by the responder.
14. The method of claim 8, further comprising:
receiving a perception disconnection request message sent by an initiator;
the class of the requested Sensing service contained in the Sensing request message is deleted from the Sensing class parameter of the Sensing signaling information element in the broadcast message.
15. The method of claim 14, wherein after deleting the requested Sensing service class contained in the Sensing request message from the Sensing class of Sensing signaling information element in the broadcast message, the method further comprises:
if the parameter Sensing class value is null, the Sensing signaling information element is deleted in the broadcast message, or the Sensing signaling information element is deleted in the broadcast message and the parameter Sensing _ TX _ ongoing is set to indicate that no Sensing signal is being transmitted.
16. The method for sending a sensing signal in a sensing process according to claim 8 or 9, further comprising:
the class of the sensing service is predefined according to performance parameters of the sensing measurement.
17. An apparatus for receiving a sensing signal in a sensing process, applied to an initiator initiating the sensing process, comprising:
the communication unit is used for reading the broadcast message sent by the responder;
the execution unit is used for receiving the sensing signal according to the sensing signal sending information element if the sensing signal sending information element is contained in the broadcast message; otherwise, sending a sensing request message to a responder, wherein the sensing request message comprises the type of the requested sensing service;
the sending information element of the sensing signal indicates the type of the sensing service, the sending time of the sensing signal and the resource information of the sensing signal sending, and the receiving of the sensing signal according to the sending information element of the sensing signal comprises:
if the type of the perception service indicated in the perception signal sending information element meets the requirement of the self perception service, calculating the time for receiving the perception signal according to the sending time of the perception signal indicated in the perception signal sending information element, receiving the perception signal at the calculated time, and receiving the perception signal according to the resource designated by the resource information sent by the perception signal indicated in the perception signal sending information element.
18. The apparatus for receiving a sensing signal in a sensing process according to claim 17, wherein the execution unit is further configured to:
if the broadcast message also comprises a parameter Sensing _ TX _ entering for indicating whether the Sensing signal is being sent, when the parameter Sensing _ TX _ entering indicates that the Sensing signal is being sent and the broadcast message comprises a Sensing signal sending information element, the Sensing signal is sent according to the Sensing signal sending information element to receive the Sensing signal; when the parameter Sensing _ TX _ entering indicates that no Sensing signal is being sent, a Sensing request message is sent to the responder, wherein the Sensing request message comprises the requested Sensing service class.
19. An apparatus for sending a sensing signal in a sensing process, applied to a responder responding to the sensing process, comprising:
the communication unit is used for sending a broadcast message containing a sensing signal sending information element and sending a sensing signal according to the sensing signal sending information element;
the sending of the sensing signal according to the sensing signal sending information element includes:
and calculating the time for sending the sensing signal according to the sending time of the sensing signal indicated in the sensing signal sending information element, sending the sensing signal at the calculated time, and sending the sensing signal according to the resource specified by the resource information sent by the sensing signal indicated in the sensing signal sending information element.
20. The apparatus for sending a perceptual signal in a perceptual process as defined in claim 19, further comprising:
the device comprises a setting unit, a receiving unit and a processing unit, wherein the setting unit is used for receiving a sensing request message sent by an initiator, and the sensing request message comprises the type of a requested sensing service; if the requested class of the Sensing service is agreed and the responder is the sender in the Sensing process, a Sensing signal transmission information element is contained in the broadcast message, or a parameter Sensing _ TX _ one is set in the broadcast message to indicate that the Sensing signal is being transmitted and contain the Sensing signal transmission information element.
21. The apparatus of claim 19, wherein the communication unit transmits the broadcast message including the sensing signal transmission information element in a period of Beacon _ Interval _ SENS, wherein Beacon _ Interval _ SENS is Beacon _ Interval × N, N is Num _ SENS +1, Beacon _ Interval is a period of broadcast message transmission, and Num _ SENS indicates the number of sensing signals being transmitted by the responder.
22. An apparatus for aware process execution, the apparatus comprising a processor and a memory, the memory having at least one instruction, at least one program code, a set of codes, or a set of instructions stored therein, the at least one instruction, at least one program code, a set of codes, or a set of instructions loaded and executed by the processor to implement the method for receiving a aware signal in a aware process of any one of claims 1 to 7 or the method for sending a aware signal in a aware process of any one of claims 8 to 16.
23. A computer readable storage medium having stored therein at least one instruction, at least one program code, a set of codes, or a set of instructions, which is loaded and executed by a processor to implement the method of receiving a sensing signal in a sensing process according to any one of claims 1 to 7 or the method of sending a sensing signal in a sensing process according to any one of claims 8 to 16.
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