CN115474162B - Method, device, equipment, system and storage medium for negotiating broadcast perception process - Google Patents
Method, device, equipment, system and storage medium for negotiating broadcast perception process Download PDFInfo
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- CN115474162B CN115474162B CN202110656108.6A CN202110656108A CN115474162B CN 115474162 B CN115474162 B CN 115474162B CN 202110656108 A CN202110656108 A CN 202110656108A CN 115474162 B CN115474162 B CN 115474162B
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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
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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Abstract
The invention discloses a method, a device, equipment, a system and a storage medium for negotiating a broadcast sensing process. The method comprises the following steps: the network equipment broadcasts a broadcast message containing a perception process information element; the terminal sends a perception establishing request message to the network equipment, wherein the perception establishing request message indicates that the terminal requests to join in a broadcast perception process; the network device sets a response result according to the received perception establishment request message, and sends a perception establishment response message to the terminal, wherein the perception establishment response message indicates the next sending time of the broadcast message containing the perception process information element, and contains the response result and the broadcast perception process identification. The invention can reasonably manage the resources for sensing the service by sharing the broadcast sensing signals.
Description
Technical Field
The present invention relates to the field of wireless communications, and in particular, to a method, apparatus, device, system, and storage medium for negotiating a broadcast aware process.
Background
WLAN sensing technology is a new technology, which can use existing Wi-Fi signals to realize motion detection, gesture recognition and biometric measurement based on existing wifi networks and devices. In WLAN Sensing, changes caused by movement of objects, pets and people in the environment are detected by using CSI (channel state information) based or Radar (Radar) based means without requiring the detected object to wear any device.
Through the implementation of WLAN sending, more intelligent and richer applications can be provided in the fields of intelligent home, intrusion detection, medical care, intelligent remote nursing and the like.
Disclosure of Invention
In the existing wireless sensing process, an initiator device (initiator) initiates a sensing request, a responder device (responder) responds to the sensing request, and after the roles, parameters, reporting modes and the like for sending and receiving sensing signals are coordinated by the two parties, the sensing measurement process starts to be executed. When a plurality of devices need to use a wireless sensing service to start a wireless sensing process, in a coordination stage, the starting of each process needs to execute a plurality of control signaling, which affects the service quality such as throughput, service delay and the like of the service. In view of this, embodiments of the present invention provide a method, apparatus, device, system and storage medium for negotiating a broadcast sensing process, which optimizes transmission and reception of sensing signals through a broadcast mechanism.
In a first aspect, an embodiment of the present invention provides a method for negotiating a broadcast aware process, which is applied to a network device, including:
broadcasting a broadcast message containing one or more perception process information elements, wherein the perception process information elements contain a broadcast perception process identifier and a perception process parameter;
Receiving a perception establishment request message sent by a terminal, wherein the perception establishment request message indicates that the terminal requests to join a broadcast perception process;
setting a response result according to the received perception establishment request message;
and sending a perception establishment response message to the terminal, wherein the perception establishment response message indicates the sending time of the next broadcast message containing the perception process information element and contains a response result and a broadcast perception process identifier.
In one possible implementation manner, the sensing process parameters included in the sensing process information element include a duration of a broadcast sensing process, a transmission time of a next broadcast message including the sensing process information element, a next sensing data packet transmission time, a sensing data packet transmission bandwidth, and a channel of sensing data packet transmission.
In one possible implementation manner, the perception establishment request message includes a broadcast perception process identifier or suggested perception process information that the terminal requests to join.
In a possible implementation manner, the sensing process parameters included in the sensing process information element further indicate whether there are more sensing process information elements.
In a possible implementation manner, the sensing process parameters included in the sensing process information element further include an interval time between two sensing data packet transmissions.
In one possible implementation, the interval between the two sensing data packet transmissions is less than half of the interval between broadcast message transmissions.
In one possible implementation, the suggested perceived process information includes at least one of: the method comprises the steps of sensing data packet sending duration, sensing data packet sending interval, sensing data packet sending frequency band, sensing data packet sending bandwidth, sensing data packet sending power and sending antenna number.
In one possible implementation manner, the setting the result of the response according to the received perception establishment request message includes:
searching whether a local broadcast sensing process identifier corresponding to the broadcast sensing process identifier requested to be added by the terminal exists, if so, setting a response result as acceptance, otherwise, setting the response result as rejection;
or alternatively, the first and second heat exchangers may be,
and determining whether to accept the request for establishing the sensing process according to the suggested sensing process information, if so, distributing a new broadcasting sensing process identifier, setting a response result as acceptance, and otherwise, setting the response result as rejection.
In one possible implementation manner, the setting the result of the response according to the received perception establishment request message further includes:
If the response result is acceptance, the address or the identifier of the terminal is stored in the information corresponding to the broadcast sensing process identifier requested to be added by the terminal or the allocated new broadcast sensing process identifier.
In one possible implementation, the method further includes:
sending a perception data packet notification message to a terminal, wherein the perception data packet notification message comprises an address or an identifier of the terminal corresponding to a broadcast perception process identifier in the perception establishment response message;
and sending the perception data packet to the terminal.
In one possible implementation, the sensing setup response message further includes a broadcast sensing procedure duration.
In one possible implementation manner, before the sensing establishment request message sent by the receiving terminal, the method further includes:
capability information of whether to support a broadcast mode sensing process is exchanged with the terminal.
In one possible implementation manner, the exchanging capability information of whether to support a broadcast mode sensing procedure with the terminal includes:
receiving a first message sent by a terminal, wherein the first message indicates whether the terminal supports a broadcast mode sensing process or not;
and responding to the first message, and sending a second message to the terminal, wherein the second message indicates whether the network equipment supports a broadcast mode sensing process.
In one possible implementation manner, the first message is a connection request message or a probe request message, and the second message is a connection response message or a probe response message.
In one possible implementation, the second message includes one or more perception process information elements.
In one possible implementation, the method further includes:
receiving a sensing disconnection request message sent by a terminal, wherein the sensing disconnection request message comprises a broadcast sensing process identifier of the terminal requesting to exit;
and sending a sensing disconnection response message to the terminal, wherein the sensing disconnection response message comprises a disconnection response result and a broadcast sensing process identifier.
In a second aspect, an embodiment of the present invention provides a method for negotiating a broadcast aware process, which is applied to a terminal, including:
sending a perception establishment request message to network equipment, wherein the perception establishment request message indicates that a terminal requests to join a broadcast perception process;
receiving a perception establishment response message sent by network equipment, wherein the perception establishment response message indicates the sending time of a broadcast message containing a perception process information element next time, and contains a response result and a broadcast perception process identifier, and the perception process information element contains the broadcast perception process identifier and a perception process parameter;
And reading the broadcast message according to the sending time of the next broadcast message containing the perception process information element indicated in the perception establishing response message, and reading corresponding perception process parameters in the broadcast message according to the broadcast perception process identification contained in the perception establishing response message.
In one possible implementation manner, the sensing process parameters included in the sensing process information element include a duration of a broadcast sensing process, a transmission time of a next broadcast message including the sensing process information element, a next sensing data packet transmission time, a sensing data packet transmission bandwidth, and a channel of sensing data packet transmission.
In one possible implementation manner, the perception establishment request message includes a broadcast perception process identifier or suggested perception process information that the terminal requests to join.
In a possible implementation manner, the sensing process parameters included in the sensing process information element further indicate whether there are more sensing process information elements.
In a possible implementation manner, the sensing process parameters included in the sensing process information element further include an interval time between two sensing data packet transmissions.
In one possible implementation, the interval between the two sensing data packet transmissions is less than half of the interval between broadcast message transmissions.
In one possible implementation, the suggested perceived process information includes at least one of: the method comprises the steps of sensing data packet sending duration, sensing data packet sending interval, sensing data packet sending frequency band, sensing data packet sending bandwidth, sensing data packet sending power and sending antenna number.
In one possible implementation, the sensing setup response message further includes a broadcast sensing procedure duration.
In one possible implementation, the method further includes:
periodically reading the broadcast message according to the next sending time of the broadcast message containing the perception process information element in the broadcast message, and if the duration of the broadcast perception process corresponding to the broadcast perception process identifier added by the terminal is 0, terminating the current perception process; if the terminal still needs to continue the perception process, checking whether other perception processes meeting the requirement of the perception service exist in the broadcast message, and if the duration value of the corresponding broadcast perception process is not 0, sending a perception establishment request message to the network equipment.
In one possible implementation manner, before the sending the awareness establishing request message to the network device, the method further includes:
Capability information is exchanged with the network device whether broadcast mode aware processes are supported.
In one possible implementation, the exchanging capability information of whether the broadcast mode sensing process is supported with the network device includes:
sending a first message to network equipment, wherein the first message indicates whether a terminal supports a broadcast mode sensing process or not;
and receiving a second message sent by the network equipment in response to the first message, wherein whether the network equipment supports the broadcast mode sensing process is indicated in the second message.
In one possible implementation manner, the first message is a connection request message or a probe request message, and the second message is a connection response message or a probe response message.
In one possible implementation, the second message includes one or more perception process information elements.
In one possible implementation, the method further includes:
sending a perceived disconnection request message to network equipment, wherein the perceived disconnection request message comprises a broadcast perceived progress identifier of a terminal requesting to exit;
and receiving a sensing disconnection response message sent by the network equipment, wherein the sensing disconnection response message comprises a response result and a broadcast sensing process identifier.
In a third aspect, an embodiment of the present invention provides an apparatus for negotiating a broadcast aware process, which is applied to a network device, including:
the system comprises a broadcasting module, a sensing module and a processing module, wherein the broadcasting module is used for broadcasting a broadcasting message containing one or more sensing process information elements, and the sensing process information elements contain a broadcasting sensing process identifier and sensing process parameters;
the receiving module is used for receiving a perception establishment request message sent by the terminal, wherein the perception establishment request message indicates that the terminal requests to join a broadcast perception process;
the setting module is used for setting a response result according to the received perception establishment request message;
and the sending module is used for sending a perception establishment response message to the terminal, wherein the perception establishment response message indicates the sending time of the next broadcast message containing the perception process information element and contains a response result and a broadcast perception process identifier.
In a fourth aspect, an embodiment of the present invention provides an apparatus for negotiating a broadcast aware process, which is applied to a terminal, including:
the transmission module is used for transmitting a perception establishment request message to the network equipment, wherein the perception establishment request message indicates that the terminal requests to join in a broadcast perception process;
the receiving module is used for receiving a perception establishment response message sent by the network equipment, wherein the perception establishment response message indicates the sending time of a broadcast message containing a perception process information element next time, the perception establishment response message contains a response result and a broadcast perception process identifier, and the perception process information element contains the broadcast perception process identifier and a perception process parameter;
And the reading module is used for reading the broadcast message according to the sending time of the next broadcast message containing the perception process information element indicated in the perception establishing response message, and reading the perception process parameters corresponding to the broadcast message according to the broadcast perception process identifier contained in the perception establishing response message.
In a fifth aspect, an embodiment of the present invention provides a system for negotiating a broadcast aware process, where the system includes a network device and a terminal, where the network device is configured to implement the method for negotiating a broadcast aware process according to the first aspect, and the terminal is configured to implement the method for negotiating a broadcast aware process according to the second aspect.
In a sixth aspect, an embodiment of the present invention provides an apparatus for negotiating a broadcast aware process, 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 where the at least one instruction, at least one section of program code, code set, or instruction set is loaded and executed by the processor to implement the method for negotiating a broadcast aware process according to the first aspect or the second aspect.
In a seventh aspect, an embodiment of the present invention provides a computer readable storage medium, where at least one instruction, at least one section of program code, a code set, or an instruction set is stored, where the at least one instruction, at least one section of program code, code set, or instruction set is loaded and executed by a processor to implement a method for negotiating a broadcast aware process according to the first aspect or the second aspect.
It should be noted that, the apparatus according to the third aspect is configured to implement the method according to the first aspect, the apparatus according to the fourth aspect is configured to implement the method according to the second aspect, and the apparatus according to the sixth aspect and the storage medium according to the seventh aspect are configured to execute the method provided in the first aspect or the second aspect, so that the same advantages as those of the method according to the first aspect or the second aspect can be achieved, and embodiments of the present application are not repeated.
The application can reasonably manage the resources for sensing the service by sharing the broadcast sensing signals, and the initiator device is used as a receiving party for receiving and measuring the sensing signals in the broadcast mode, and the responder device is not required to report the measurement results, thereby further reducing the network signaling, reducing the influence on the data service when a plurality of sensing processes occur, and finally guaranteeing the quality of the data service while providing the sensing service.
Drawings
The application will now be described by way of example and with reference to the accompanying drawings in which:
fig. 1 is a flowchart of a method for negotiating a broadcast aware process according to an embodiment of the present application;
fig. 2 is a flowchart of another method for negotiating a broadcast aware process according to an embodiment of the present application.
Detailed Description
In order to better understand the technical solutions of the present invention, the following description will clearly and completely describe the technical solutions of the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention. Furthermore, while the present disclosure has been described in terms of an exemplary embodiment or embodiments, it should be understood that each aspect of the disclosure may be separately implemented as a complete solution. The following embodiments and features of the embodiments may be combined with each other without conflict.
In embodiments of the invention, words such as "exemplary," "such as" and the like 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 use of an example 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 elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, 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.
Typically, the wireless awareness process includes multiple phases of discovery, negotiation, and measurement. In the wireless sensing process, an initiator device (initiator) initiates a wireless sensing process, a responder device (responder) responds to the wireless sensing process, and after the roles, parameters, reporting modes and the like for sending and receiving sensing signals are coordinated by the two parties, sensing measurement is started to be executed. In the embodiment of the invention, the network device is a responder device, and is used as a sender (Transmitter) of the sensing signal, and the terminal (STA) is an initiator device and is used as a Receiver (Receiver) of the sensing signal. The network devices include routers, access Points (APs), and the like, and in the following embodiments, the present invention will be described in detail by taking an access point as an example, but the present invention is not limited thereto.
Fig. 1 is a flowchart of a method for negotiating a broadcast aware process according to an embodiment of the present invention. As shown in fig. 1, the method of the broadcast aware process negotiation includes the following:
s101, an access point broadcasts a broadcast message (such as a beacon message) containing a Sensing process information element, wherein the Sensing process information element contains a broadcast Sensing process identifier and Sensing process parameters.
In some embodiments, the access point may further include the Sensing element in a probe response message (e.g., a probe response message) in response to a probe request message (e.g., a probe request message) sent by the terminal, or a connection response message (e.g., association response message) in response to a connection request message (e.g., a association request message) sent by the terminal. Thus, the terminal can obtain the Sensing element from the broadcast message, or the probe response message, or the connection response message. And the Sensing process information element included in the broadcast message, the probe response message and the connection response message may be one or more.
Illustratively, the Sensing process parameters included in the Sensing element include a duration of a broadcast Sensing process, a transmission time of a next broadcast message including the Sensing process element, a transmission time of a next Sensing data packet, a Sensing data packet transmission bandwidth, and a channel of the Sensing data packet transmission. Optionally, the sensing process parameters included in the sensing process information element further indicate whether there are more sensing process information elements. An example of the Sensing procedure information element Sensing element setting is shown in table 1.
TABLE 1
In some embodiments, the Sensing process information element may further include an interval between two Sensing data packet transmissions, where an example of Sensing element setting is shown in table 2. Alternatively, the interval between two perception data packet transmissions may be set to be less than half of the broadcast message transmission interval.
TABLE 2
S102, the terminal sends a perception establishing request message to the access point, wherein the perception establishing request message indicates that the terminal requests to join in a broadcast perception process. Optionally, the perception establishment request message includes a broadcast perception process identifier or suggested perception process information that the terminal requests to join.
Illustratively, the awareness establishment request message settings are shown in table 3.
TABLE 3 Table 3
S103, after receiving the perception establishment request message, the access point sets a response result according to the perception establishment request message, if the terminal is agreed to join the broadcast perception process, the response result is set to indicate to accept the request, otherwise, the response result is set to indicate to reject the request.
Optionally, setting a response result according to a broadcast sensing process identifier or suggested sensing process information of the terminal request to join, where the sensing establishment request message includes: after receiving the request message for sensing establishment, the access point searches whether the local broadcast sensing process identifier corresponding to the parameter value exists according to Broadcast sensing ID if the value of the registration type is 1, if so, sets the parameter status code value as accepted, indicates to accept the request, and if not, sets the parameter status code value as returned, indicates to reject the request; if the registration type value is 2, it is determined according to Sensing parameters whether to accept the perception establishment request, if so, a new broadcast perception process identifier is allocated, and a parameter status code value is set to accepted, and if not, a parameter status code value is set to returned.
In some embodiments, if the access point accepts the request of the terminal, that is, if the response result is an acceptance, the access point further stores the address or the identifier of the terminal in the information corresponding to the broadcast aware process identifier requested to be added by the terminal or the allocated new broadcast aware process identifier, and the terminal is called a member of the aware process corresponding to the broadcast aware process identifier. When the access point sends a perception data packet notification message to the terminal, the perception data packet notification message contains the address or the identification of the member corresponding to the broadcast perception process identification in the perception establishment response message; after the sensing data packet notification message is sent, the sensing data packet is sent after waiting for a predefined system time, such as SIFS (short interframe space).
S104, the access point sends a perception establishment response message to the terminal, wherein the perception establishment response message indicates the next sending time of the broadcast message containing the perception process information element and contains a response result and a broadcast perception process identifier. Illustratively, the awareness setup response message settings are shown in table 4.
TABLE 4 Table 4
S105, after receiving the perception establishment response message, the terminal reads the broadcast message according to the information in the perception establishment response message. If so, reading the broadcast message according to the sending time of the next broadcast message containing the perception process information element indicated in the perception establishing response message, and reading the perception process parameters corresponding to the broadcast message according to the broadcast perception process identification contained in the perception establishing response message.
Specifically, after receiving the sensing establishment response message, the terminal reads the broadcast message according to the time given by the Next TBTT parameter; and reading the corresponding perception process parameters in the broadcast message according to Broadcast sensing ID. Then the terminal receives a sensing data packet according to the time indicated by Next sensing TX time, sensing TX bandwidth or/and Sensing TX channel in the read sensing process parameters, and obtains wireless channel information according to the received sensing data packet measurement; and denoising according to the measured wireless channel information, extracting the characteristics, and classifying and comparing to obtain a perception result.
In some embodiments, the terminal may also periodically read the broadcast message according to a transmission time of a broadcast message including a perception process information element next in the broadcast message, and if a duration of a broadcast perception process corresponding to a broadcast perception process identifier added by the terminal is 0, terminate the current perception process; if the terminal still needs to continue the sensing process, checking whether other sensing processes meeting the sensing service requirement exist in the broadcast message, and if so, sending a sensing establishment request message to the access point, wherein the sensing establishment request message contains a broadcast sensing process identifier Broadcast sensing ID which is hoped to be added, and executing steps S102-S105.
In some embodiments, if the terminal itself no longer needs to perform the aware process, the terminal sends a aware disconnect request message (e.g., sensing teardown request message) to the access point, which includes the broadcast aware process identification that the terminal requested to exit. Illustratively, the perceived disconnect request message settings are shown in table 5.
TABLE 5
After receiving the sensing disconnection request message, the access point sends a sensing disconnection response message to the terminal, wherein the sensing disconnection response message comprises a response result and a broadcast sensing process identifier. Illustratively, the perceived disconnect response message settings are shown in table 6.
TABLE 6
Fig. 2 is a flowchart of another method for negotiating a broadcast aware process according to an embodiment of the present invention. In the embodiment shown in fig. 2, the terminal and the access point exchange capability information about whether to support the broadcast mode aware process with each other before negotiating. As shown in fig. 2, the method of the broadcast aware process negotiation includes the following:
s201, the access point broadcasts a broadcast message containing a Sensing process information element. The specific configuration of the Sensing element of the Sensing process information element may refer to the embodiment shown in fig. 1, and will not be described herein.
S202, the terminal sends a first message to the access point, wherein the first message indicates whether the terminal supports a broadcast mode sensing process. In some embodiments, the first message may be a connection request message or a probe request message. The first message settings are shown in table 7, for example.
TABLE 7
S203, after receiving the first message, the access point sends a second message to the terminal, wherein the second message indicates whether the access point supports the broadcast mode sensing process. In some embodiments, the second message may be a connection response message or a probe response message. The second message settings are shown in table 8, for example.
TABLE 8
S204, the terminal sends a perception establishing request message to the access point, wherein the perception establishing request message indicates that the terminal requests to join in a broadcast perception process.
In this embodiment, after the terminal obtains the capability information of whether the access point supports the broadcast mode sensing process, only when both sides support the broadcast mode sensing process, if the value of the capability parameter Broadcast Sensing capable of the terminal is 1 and the value of the capability parameter Broadcast Sensing capable of the obtained access point is 1, steps S204-S207 are executed.
S205, after receiving the perception establishing request message, the access point sets a response result according to the perception establishing request message, such as a broadcast perception process identifier or a suggested perception process information setting response result which is requested to be added by the terminal.
S206, the access point sends a perception establishment response message to the terminal, wherein the perception establishment response message indicates the next sending time of the broadcast message containing the perception process information element, and the response result and the broadcast perception process identification are contained.
S207, after receiving the perception establishment response message, the terminal reads the broadcast message according to the information in the perception establishment response message.
In the embodiment shown in fig. 2, the steps S204-S207 may refer to the steps S102-S105 in the embodiment shown in fig. 1, and will not be described here again.
In the embodiment of the present invention, based on the same inventive concept as the method for negotiating a broadcast sensing process, the embodiment of the present invention further provides a device for negotiating a broadcast sensing process, which is applied to a network device and includes:
the system comprises a broadcasting module, a sensing module and a processing module, wherein the broadcasting module is used for broadcasting a broadcasting message containing one or more sensing process information elements, and the sensing process information elements contain a broadcasting sensing process identifier and sensing process parameters;
the receiving module is used for receiving a perception establishment request message sent by the terminal, wherein the perception establishment request message indicates that the terminal requests to join a broadcast perception process;
the setting module is used for setting a response result according to the received perception establishment request message;
And the sending module is used for sending a perception establishment response message to the terminal, wherein the perception establishment response message indicates the sending time of the next broadcast message containing the perception process information element and contains a response result and a broadcast perception process identifier.
The embodiment of the invention also provides another device for negotiating the broadcast sensing process, which is applied to the terminal and comprises the following steps:
the transmission module is used for transmitting a perception establishment request message to the network equipment, wherein the perception establishment request message indicates that the terminal requests to join in a broadcast perception process;
the receiving module is used for receiving a perception establishment response message sent by the network equipment, wherein the perception establishment response message indicates the sending time of a broadcast message containing a perception process information element next time, the perception establishment response message contains a response result and a broadcast perception process identifier, and the perception process information element contains the broadcast perception process identifier and a perception process parameter;
and the reading module is used for reading the broadcast message according to the sending time of the next broadcast message containing the perception process information element indicated in the perception establishing response message, and reading the perception process parameters corresponding to the broadcast message according to the broadcast perception process identifier contained in the perception establishing response message.
In the embodiment of the present invention, based on the same inventive concept as the method for negotiating a broadcast aware process, the embodiment of the present invention further provides a device for negotiating a broadcast aware process, where the device includes a processor and a memory, and at least one instruction, at least one section of program code, code set, or instruction set is stored in the memory, and the at least one instruction, at least one section of program code, code set, or instruction set is loaded and executed by the processor, so as to implement the method for negotiating a broadcast aware process related to the above embodiment.
In addition, an embodiment of the present invention further provides a computer readable storage medium, where at least one instruction, at least one section of program code, a code set, or an instruction set is stored, where the at least one instruction, the at least one section of program code, the code set, or the instruction set is loaded and executed by a processor, so as to implement a method for negotiating a broadcast aware process according to the above embodiment.
It should be understood that, in various embodiments of the present invention, the sequence number of each process described above does not mean that the execution sequence of 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 functions and internal logic, and should not constitute any limitation on 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 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 will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, and are not repeated herein.
In the several embodiments provided by the present invention, it should be understood that the disclosed systems, devices, and methods may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, and for example, the division of the modules is merely a logical function division, and there may be additional divisions when actually implemented, for example, multiple modules or components may be combined or integrated into another system, or some features may be omitted or not performed.
The modules described as separate components may or may not be physically separate, and components shown as units may or may not be physical units, may be located in one place, or may be distributed over multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. In addition, each functional module in each embodiment of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more modules may be integrated in 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 this understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art or in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device or a terminal device, etc.) to perform 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) disk or optical disk, etc.
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 detection", depending on the context. Similarly, the phrase "if determined" or "if detected (stated condition or event)" may be interpreted as "when determined" or "in response to determination" or "when detected (stated condition or event)" or "in response to detection (stated condition or event), depending on the context.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (33)
1. A method for negotiating a broadcast aware process, applied to a network device, comprising:
broadcasting a broadcast message containing one or more perception process information elements, wherein the perception process information elements contain a broadcast perception process identifier and a perception process parameter;
Receiving a perception establishment request message sent by a terminal, wherein the perception establishment request message indicates that the terminal requests to join a broadcast perception process and contains a broadcast perception process identifier or suggested perception process information which the terminal requests to join;
setting a response result according to the received perception establishment request message;
sending a perception establishment response message to the terminal, wherein the perception establishment response message indicates the sending time of a broadcast message containing a perception process information element next time and contains a response result and a broadcast perception process identifier;
the result of setting the response according to the received perception establishment request message comprises:
searching whether a local broadcast sensing process identifier corresponding to the broadcast sensing process identifier requested to be added by the terminal exists, if so, setting a response result as acceptance, otherwise, setting the response result as rejection;
or alternatively, the first and second heat exchangers may be,
and determining whether to accept the request for establishing the sensing process according to the suggested sensing process information, if so, distributing a new broadcasting sensing process identifier, setting a response result as acceptance, and otherwise, setting the response result as rejection.
2. The method according to claim 1, wherein the sensing process parameters included in the sensing process information element include a duration of a broadcasting sensing process, a transmission time of a next broadcasting message including the sensing process information element, a transmission time of a next sensing data packet, a sensing data packet transmission bandwidth, and a channel of a sensing data packet transmission.
3. A method of negotiating a broadcast aware process according to claim 2, characterized in that the aware process parameters contained in the aware process information elements also indicate whether there are more aware process information elements.
4. The method according to claim 2, wherein the sensing process parameters included in the sensing process information element further include an interval between two sensing data packet transmissions.
5. The method of claim 4, wherein the interval between two transmission of the sensing data packet is less than half of the interval between transmission of the broadcasting message.
6. A method of broadcast aware process negotiation according to claim 1, wherein the proposed aware process information comprises at least one of: the method comprises the steps of sensing data packet sending duration, sensing data packet sending interval, sensing data packet sending frequency band, sensing data packet sending bandwidth, sensing data packet sending power and sending antenna number.
7. The method of claim 1, wherein the setting the response result according to the received perception establishment request message further comprises:
If the response result is acceptance, the address or the identifier of the terminal is stored in the information corresponding to the broadcast sensing process identifier requested to be added by the terminal or the allocated new broadcast sensing process identifier.
8. The method of broadcast aware process negotiation of claim 7, further comprising:
sending a perception data packet notification message to a terminal, wherein the perception data packet notification message comprises an address or an identifier of the terminal corresponding to a broadcast perception process identifier in the perception establishment response message;
and sending the perception data packet to the terminal.
9. The method according to claim 1, wherein the awareness setup response message further includes a duration of the broadcast awareness process.
10. The method of claim 1, further comprising, prior to the perception establishment request message sent by the receiving terminal:
capability information of whether to support a broadcast mode sensing process is exchanged with the terminal.
11. The method according to claim 10, wherein exchanging capability information of whether to support a broadcast mode sensing procedure with the terminal comprises:
Receiving a first message sent by a terminal, wherein the first message indicates whether the terminal supports a broadcast mode sensing process or not;
and responding to the first message, and sending a second message to the terminal, wherein the second message indicates whether the network equipment supports a broadcast mode sensing process.
12. The method of claim 11, wherein the first message is a connection request message or a probe request message and the second message is a connection response message or a probe response message.
13. The method of claim 11, wherein the second message includes one or more perception process information elements.
14. The method of broadcast aware process negotiation of claim 1, further comprising:
receiving a sensing disconnection request message sent by a terminal, wherein the sensing disconnection request message comprises a broadcast sensing process identifier of the terminal requesting to exit;
and sending a sensing disconnection response message to the terminal, wherein the sensing disconnection response message comprises a disconnection response result and a broadcast sensing process identifier.
15. A method for negotiating a broadcast aware process, applied to a terminal, comprising:
Receiving a broadcast message sent by network equipment, wherein the broadcast message comprises one or more perception process information elements, and the perception process information elements comprise a broadcast perception process identifier and a perception process parameter;
sending a perception establishment request message to network equipment, wherein the perception establishment request message indicates that a terminal requests to join a broadcast perception process;
receiving a perception establishment response message sent by the network equipment, wherein the perception establishment response message indicates the sending time of a broadcast message containing a perception process information element next time and contains a response result and a broadcast perception process identifier;
and reading the broadcast message according to the sending time of the next broadcast message containing the perception process information element indicated in the perception establishing response message, and reading corresponding perception process parameters in the broadcast message according to the broadcast perception process identification contained in the perception establishing response message.
16. The method according to claim 15, wherein the sensing process parameters included in the sensing process information element include a duration of a broadcasting sensing process, a transmission time of a next broadcasting message including the sensing process information element, a transmission time of a next sensing packet, a sensing packet transmission bandwidth, and a channel of a sensing packet transmission.
17. The method according to claim 15, wherein the awareness establishment request message includes an identifier of a broadcast awareness process or suggested awareness process information that the terminal requests to join.
18. The method of claim 16, wherein the sensing process parameters included in the sensing process information element further indicate whether there are more sensing process information elements.
19. The method of claim 16, wherein the sensing process parameters included in the sensing process information element further comprise an interval between two sensing data packet transmissions.
20. The method of claim 19, wherein the interval between two sensing data packet transmissions is less than half the interval between broadcast message transmissions.
21. The method of claim 15, wherein the proposed perceived process information includes at least one of: the method comprises the steps of sensing data packet sending duration, sensing data packet sending interval, sensing data packet sending frequency band, sensing data packet sending bandwidth, sensing data packet sending power and sending antenna number.
22. The method of claim 15, wherein the awareness establishment response message further includes a duration of the broadcast awareness process.
23. The method of broadcast aware process negotiation of claim 16, further comprising:
periodically reading the broadcast message according to the next sending time of the broadcast message containing the perception process information element in the broadcast message, and if the duration of the broadcast perception process corresponding to the broadcast perception process identifier added by the terminal is 0, terminating the current perception process; if the terminal still needs to continue the perception process, checking whether other perception processes meeting the requirement of the perception service exist in the broadcast message, and if the duration value of the corresponding broadcast perception process is not 0, sending a perception establishment request message to the network equipment.
24. The method of claim 15, further comprising, prior to said sending the awareness establishment request message to the network device:
capability information is exchanged with the network device whether broadcast mode aware processes are supported.
25. The method of claim 24, wherein exchanging capability information of whether a broadcast-mode-aware process is supported with a network device comprises:
Sending a first message to network equipment, wherein the first message indicates whether a terminal supports a broadcast mode sensing process or not;
and receiving a second message sent by the network equipment in response to the first message, wherein whether the network equipment supports the broadcast mode sensing process is indicated in the second message.
26. The method of claim 25, wherein the first message is a connection request message or a probe request message and the second message is a connection response message or a probe response message.
27. The method of claim 25, wherein the second message includes one or more perception process information elements.
28. The method of broadcast aware process negotiation of claim 15, further comprising:
sending a perceived disconnection request message to network equipment, wherein the perceived disconnection request message comprises a broadcast perceived progress identifier of a terminal requesting to exit;
and receiving a sensing disconnection response message sent by the network equipment, wherein the sensing disconnection response message comprises a response result and a broadcast sensing process identifier.
29. An apparatus for negotiating a broadcast aware process for use with a network device, comprising:
The system comprises a broadcasting module, a sensing module and a processing module, wherein the broadcasting module is used for broadcasting a broadcasting message containing one or more sensing process information elements, and the sensing process information elements contain a broadcasting sensing process identifier and sensing process parameters;
the receiving module is used for receiving a perception establishment request message sent by the terminal, wherein the perception establishment request message indicates that the terminal requests to join a broadcast perception process and contains a broadcast perception process identifier or suggested perception process information which the terminal requests to join;
the setting module is used for setting a response result according to the received perception establishment request message;
the sending module is used for sending a perception establishment response message to the terminal, wherein the perception establishment response message indicates the sending time of a broadcast message containing a perception process information element next time and contains a response result and a broadcast perception process identifier;
the result of setting the response according to the received perception establishment request message comprises:
searching whether a local broadcast sensing process identifier corresponding to the broadcast sensing process identifier requested to be added by the terminal exists, if so, setting a response result as acceptance, otherwise, setting the response result as rejection;
or alternatively, the first and second heat exchangers may be,
and determining whether to accept the request for establishing the sensing process according to the suggested sensing process information, if so, distributing a new broadcasting sensing process identifier, setting a response result as acceptance, and otherwise, setting the response result as rejection.
30. A device for negotiating a broadcast aware process, applied to a terminal, comprising:
the transmission module is used for transmitting a perception establishment request message to the network equipment, wherein the perception establishment request message indicates that the terminal requests to join in a broadcast perception process;
the receiving module is used for receiving a broadcast message sent by the network equipment, wherein the broadcast message comprises one or more perception process information elements, and the perception process information elements comprise a broadcast perception process identifier and a perception process parameter; receiving a perception establishment response message sent by the network equipment, wherein the perception establishment response message indicates the sending time of a broadcast message containing a perception process information element next time and contains a response result and a broadcast perception process identifier;
and the reading module is used for reading the broadcast message according to the sending time of the next broadcast message containing the perception process information element indicated in the perception establishing response message, and reading the perception process parameters corresponding to the broadcast message according to the broadcast perception process identifier contained in the perception establishing response message.
31. A system of broadcast aware process negotiation, characterized in that the system comprises a network device for implementing the method of broadcast aware process negotiation of any of claims 1-14 and a terminal for implementing the method of broadcast aware process negotiation of any of claims 15-28.
32. An apparatus for broadcast aware process negotiation, the apparatus comprising a processor and a memory having stored therein at least one instruction, at least one piece of program code, set of codes or set of instructions loaded and executed by the processor to implement the method for broadcast aware process negotiation of any of claims 1-28.
33. A computer readable storage medium having stored therein at least one instruction, at least one piece of program code, code set, or instruction set loaded and executed by a processor to implement the method of broadcast aware process negotiation of any one of claims 1-28.
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