CN116489703A

CN116489703A - Sensing node determining method, sensing node control method and related equipment

Info

Publication number: CN116489703A
Application number: CN202310736286.9A
Authority: CN
Inventors: 黄韬; 魏垚; 梁健生; 金宁; 陈晓冬
Original assignee: China Telecom Corp Ltd
Current assignee: China Telecom Corp Ltd
Priority date: 2023-06-21
Filing date: 2023-06-21
Publication date: 2023-07-25
Anticipated expiration: 2043-06-21
Also published as: CN116489703B

Abstract

The application relates to a sensing node determining method, a sensing node control method and related equipment, and relates to the technical field of mobile communication. The method comprises the following steps: acquiring a cell parameter pair; the cell parameter pair is used for representing the channel state of an associated cell corresponding to the terminal equipment; the associated cell is a cell which can be searched in a full frequency band by the terminal equipment; determining a target cell meeting the service perceived requirement of the terminal equipment in each associated cell according to the cell parameter pair; and determining the target base station corresponding to the target cell as a sensing node of the terminal equipment. By selecting the proper sensing node, the sensing effect of processing the sensing service is improved.

Description

Sensing node determining method, sensing node control method and related equipment

Technical Field

The present disclosure relates to the field of mobile communications technologies, and in particular, to a method for determining a sensing node, a method for controlling a sensing node, and related devices.

Background

With the continuous development of communication technology, in order to improve the utilization rate of network resources, adding a sensing function to a network is one of the more definite technical means. In an actual networking environment, a scene that a plurality of sensing nodes can perform sensing service exists, and as the sensing capacities of different sensing nodes are obviously different, how to select a proper sensing node to process the sensing service of the terminal equipment becomes a technical problem to be solved.

Disclosure of Invention

Based on the foregoing, it is necessary to provide a method for determining a sensing node, a method for controlling a sensing node, and related devices capable of sensing a service processing effect by a terminal device.

In a first aspect, the present application provides a method for determining a sensing node. Applied to a central perception controller, the method comprises the following steps:

acquiring a cell parameter pair; the cell parameter pair is used for representing the channel state of an associated cell corresponding to the terminal equipment; the associated cell is a cell which can be searched in a full frequency band by the terminal equipment;

determining a target cell meeting the service perceived requirement of the terminal equipment in each associated cell according to the cell parameter pair;

and determining the target base station corresponding to the target cell as a sensing node of the terminal equipment.

In one embodiment, the acquiring the pair of cell parameters includes:

sending an information collection instruction to a first base station; the first base station is a base station corresponding to a cell where the terminal equipment resides, and the information collection instruction is used for indicating the first base station to acquire the cell parameter pair from the terminal equipment;

and receiving the cell parameter pair sent by the first base station.

In one embodiment, receiving the cell parameter pair sent by the first base station includes:

receiving RRC (Radio Resource Control ) signaling sent by the first base station through a perceived interface;

and analyzing the RRC signaling to obtain the cell parameter pair.

In one embodiment, determining, according to the cell parameter pair, a target cell in each associated cell that meets the service requirement perceived by the terminal device, includes:

obtaining SINR (Signal to Interference plus Noise Ratio ) values corresponding to cell identifications of each associated cell in the cell parameter pair;

determining a plurality of candidate cells according to the SINR value;

user number information corresponding to each candidate cell is obtained, and the target cell is determined according to the user number information.

In one embodiment, the determining a plurality of candidate cells according to the SINR value includes:

ordering SINR values corresponding to the cell identifications in the cell parameter pair according to the sequence from the large value to the small value to obtain an ordering result;

and selecting the first n cells from the sequencing result to determine the first n cells as the candidate cells.

In one embodiment, selecting the first n cells from the ranking result to determine the first n cells as the candidate cells includes:

selecting the first n cells from the sorting result;

and eliminating the cells with the SINR values being the offset values in the first n cells until the difference value of the SINR values of every two remaining cells is smaller than or equal to a preset value, and determining k remaining cells after eliminating as the candidate cells.

In one embodiment, obtaining user information corresponding to each candidate cell, and determining the target cell according to the user information includes:

user number reporting information is sent to each second base station corresponding to the candidate cell; the user number reporting message is used for indicating the second base station to report the user number information of the candidate cell, wherein the user number information comprises the number of users in the RRC connection state in the candidate cell;

and selecting a cell with the minimum user number from the candidate cells as the target cell according to the user number information reported by the second base station.

In one embodiment, the method further comprises:

transmitting a user switching instruction to the target base station; the user switching instruction is used for indicating the target base station to carry out migration processing on the users in the target cell according to the service duration of the users.

In one embodiment, the method further comprises:

and sending a service processing indication message to the target base station, wherein the service processing indication message is used for indicating the target base station to process the perceived service of the terminal equipment.

In a second aspect, the present application further provides a method for determining a sensing node. The method applied to the first base station comprises the following steps:

receiving an information collection instruction sent by a central perception controller; the information collection instruction is used for indicating the first base station to acquire a cell parameter pair from a terminal device, wherein the cell parameter pair is used for representing the channel state of an associated cell, and the first base station is a base station corresponding to the cell where the terminal device resides;

responding to the information collection instruction, and sending a cell parameter pair to a central perception controller; the cell parameter pairs are also used for determining target cells meeting the service sensing requirements of the terminal equipment in each associated cell by the central sensing controller, the target base station corresponding to the target cells is a sensing node, and the associated cells are cells which can be searched in full frequency bands by the terminal equipment.

In one embodiment, after receiving the information collection instruction sent by the central perception controller, the method further includes:

Sending a perception measurement reporting instruction to the terminal equipment; the sensing measurement reporting instruction is used for indicating the terminal equipment to send an RRC signaling to the first base station, wherein the RRC signaling comprises the cell parameter pair encapsulated by the terminal equipment;

and receiving the RRC signaling sent by the terminal equipment.

In one embodiment, in response to an information gathering instruction, sending a pair of cell parameters to a central awareness controller, comprising:

and sending the RRC signaling to the central perception controller through a perception interface.

In a third aspect, the present application further provides a sensing node control method. Applied to a sensing node, the method comprises:

receiving a user switching instruction sent by a central perception controller;

responding to the switching user instruction, and determining the service duration of each user in the RRC connection state in the target cell; the target cell is a cell which is determined by a central perception controller from each associated cell according to cell parameters and meets the perception service requirements of terminal equipment, the perception node is a target base station corresponding to the target cell, the associated cell is a cell which can be searched by the terminal equipment in a full frequency band, and the cell parameters are used for representing the channel state of the associated cell;

And performing migration processing on the users in the target cell according to the service duration.

In one embodiment, the target cell includes a first user and a second user in an RRC connected state;

and performing migration processing on the users in the target cell according to the service duration, including:

under the condition that the service duration of the first user is longer than a preset duration value, the first user is migrated from a target cell to other cells;

and under the condition that the service duration of the second user is less than or equal to the preset duration, the connection between the second user and the target cell is maintained, and after the service of the second user is completed, the second user is migrated from the target cell to other cells.

In a fourth aspect, the present application further provides a sensing node determining apparatus. Applied to the side of a central perception controller, the device comprises:

the parameter acquisition module is used for acquiring a cell parameter pair; the cell parameter pair is used for representing the channel state of an associated cell corresponding to the terminal equipment; the associated cell is a cell which can be searched in a full frequency band by the terminal equipment;

the first determining module is used for determining a target cell which meets the service perceived requirement of the terminal equipment in each associated cell according to the cell parameter pair;

And the second determining module is used for determining the target base station corresponding to the target cell as the sensing node of the terminal equipment.

In a fifth aspect, the present application further provides a sensing node determining apparatus. The device is applied to a first base station side and comprises:

the first receiving module is used for receiving the information collection instruction sent by the central perception controller; the information collection instruction is used for indicating the first base station to acquire a cell parameter pair from a terminal device, wherein the cell parameter pair is used for representing the channel state of an associated cell, and the first base station is a base station corresponding to the cell where the terminal device resides;

the parameter sending module responds to the information collection instruction and sends a cell parameter pair to the central perception controller; the cell parameter pairs are also used for determining target cells meeting the service sensing requirements of the terminal equipment in each associated cell by the central sensing controller, the target base station corresponding to the target cells is a sensing node, and the associated cells are cells which can be searched in full frequency bands by the terminal equipment.

In a sixth aspect, the present application further provides a sensing node control apparatus. Applied to the sensing node side, the device comprises:

The second receiving module is used for receiving the switching user instruction sent by the central perception controller;

a duration determining module, configured to determine a service duration of each user in an RRC connected state in the target cell in response to the handover user instruction; the target cell is a cell which is determined by a central perception controller from each associated cell according to cell parameters and meets the perception service requirements of terminal equipment, the perception node is a target base station corresponding to the target cell, the associated cell is a cell which can be searched by the terminal equipment in a full frequency band, and the cell parameters are used for representing the channel state of the associated cell;

and the user migration module is used for carrying out migration processing on the users in the target cell according to the service duration.

In a seventh aspect, the present application also provides a computer device. The computer device comprises a memory, a transceiver and a processor, wherein the memory stores a computer program, the transceiver is used for executing operations of receiving data or transmitting data under the control of the processor, and the processor realizes the following steps when executing the computer program:

Alternatively, the processor, when executing the computer program, performs the steps of:

receiving a user switching instruction sent by a central perception controller;

In an eighth aspect, the present application also provides a computer-readable storage medium. The computer readable storage medium having stored thereon a computer program which when executed by a processor performs the steps of:

Alternatively, the computer program when executed by a processor performs the steps of:

receiving a user switching instruction sent by a central perception controller;

In a ninth aspect, the present application also provides a computer program product. The computer program product comprises a computer program which, when executed by a processor, implements the steps of:

receiving a user switching instruction sent by a central perception controller;

According to the sensing node determining method, the sensing node control method and the related equipment, the central sensing controller determines the target cell meeting the service sensing requirement of the terminal equipment in each associated cell according to the channel state of each associated cell in the cell parameter pair, and further, the target base station corresponding to the target cell is determined to be the sensing node for processing the service sensing of the terminal equipment. By selecting the proper sensing node, the sensing effect of processing the sensing service is improved.

Drawings

FIG. 1 is a diagram of an application environment for a method of sensing node determination or a method of sensing node control in one embodiment;

FIG. 2 is a flow diagram of a method of determining a sensing node in one embodiment;

fig. 3 is a flow chart illustrating determining a target cell in one embodiment;

FIG. 4 is a flow chart of a method of determining a sensing node in another embodiment;

FIG. 5 is a flow chart of a method of controlling a sensing node in one embodiment;

FIG. 6 is a block diagram of a sensing node determining apparatus in one embodiment;

FIG. 7 is a block diagram of a sensing node determining apparatus according to another embodiment;

FIG. 8 is a block diagram of a sense node control device in one embodiment;

fig. 9 is an internal structural diagram of a computer device in one embodiment.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

The sensing node determining method or the sensing node control method provided by the embodiment of the application can be applied to an application environment shown in fig. 1. As shown in fig. 1, the application environment includes: the central perception controller 110, the first base station 120, the second base station 130 and the terminal equipment 140 are connected through a network 150; the first base station 120 is a base station corresponding to a cell where the terminal device 140 resides, and the second base station 130 is a base station within a preset range of the first base station 120.

The central perception controller 110 may be a server that provides various services, for example, a background management server that processes data transmitted from the first base station 120, the second base station 130, or the terminal device 140. The background management server can analyze and process the received data such as the request and the like, and feed back the processing result to the terminal equipment or the base station.

Optionally, the server may be an independent physical server, a server cluster or a distributed system formed by a plurality of physical servers, or a cloud server providing cloud services, cloud databases, cloud computing, cloud functions, cloud storage, network services, cloud communication, middleware services, domain name services, security services, CDNs (Content Delivery Network, content delivery networks), basic cloud computing services such as big data and artificial intelligence platforms, and the like. The terminal may be, but is not limited to, a smart phone, a tablet computer, a notebook computer, a desktop computer, a smart speaker, a smart watch, etc. The terminal and the server may be directly or indirectly connected through wired or wireless communication, which is not limited herein.

The first base station 120 or the second base station 130 may refer to a device in an access network that communicates over the air-interface, through one or more sectors, with wireless terminals. The base station may be configured to inter-convert the received air frames with IP packets as a router between the wireless terminal and the rest of the access network, which may include an internet protocol (abbreviated: IP) network. The base station may also coordinate attribute management for the air interface. For example, the base station may be a base station in GSM or CDMA (english: base Transceiver Station, abbreviated: BTS), a base station in WCDMA (english: nodeB), or an evolved base station in LTE (english: nodeB or abbreviated: eNB or english: e-NodeB, english: evolutional Node B), which is not limited in this application.

The terminal 140, which may be a wireless terminal or a wired terminal, may be a device that provides voice and/or data connectivity to a user, a handheld device with wireless connectivity, or other processing device connected to a wireless modem. A wireless terminal may communicate with one or more core networks via a radio access network (e.g., english: radio Access Network, abbreviated: RAN), which may be mobile terminals such as mobile phones (or "cellular" phones) and computers with mobile terminals, e.g., portable, pocket, hand-held, computer-built-in or vehicle-mounted mobile devices that exchange voice and/or data with the radio access network. For example, personal communication services (English: personal Communication Service, abbreviation: PCS) phones, cordless phones, session initiation protocol phones, wireless local loop (English: wireless Local Loop, abbreviation: WLL) stations, personal digital assistants (English: personal Digital Assistant, abbreviation: PDA) and the like. A wireless Terminal may also be called a system, a Subscriber Unit (english: subscriber Unit), a Subscriber Station (english Subscriber Station), a Mobile Station (english: mobile Station, abbreviation: MS), a Remote Station (english: remote Station, abbreviation: RS), an Access Point (english: access Point, abbreviation: AP), a Remote Terminal (english: remote Terminal), an Access Terminal (english: access Terminal), a User Terminal (english: user Terminal), a User Agent (english: user Agent), a User Device (english: user Device), or a User Equipment (english: user Equipment).

The network 150, which may be a wireless network or a wired network connection, uses standard communication techniques and/or protocols. The network is typically the Internet, but may be any network including, but not limited to, a local area network (Local Area Network, LAN), metropolitan area network (Metropolitan Area Network, MAN), wide area network (Wide Area Network, WAN), mobile, wired or wireless network, private network, or any combination of virtual private networks. In some embodiments, data exchanged over the network is represented using techniques and/or formats including HyperText Mark-up language (HTML), extensible markup language (Extensible MarkupLanguage, XML), and the like. All or some of the links may also be encrypted using conventional encryption techniques such as secure sockets layer (Secure Socket Layer, SSL), transport layer security (Transport Layer Security, TLS), virtual private network (Virtual PrivateNetwork, VPN), internet protocol security (Internet ProtocolSecurity, IPsec), and the like. In other embodiments, custom and/or dedicated data communication techniques may also be used in place of or in addition to the data communication techniques described above.

Those skilled in the art will appreciate that the number of base stations, terminal devices and central aware controllers in fig. 1 is merely illustrative and that any number of base stations, terminal devices and central aware controllers may be provided as desired. The embodiments of the present application are not limited in this regard.

The present exemplary embodiment will be described in detail below with reference to the accompanying drawings and examples.

In one embodiment, as shown in fig. 2, a method for determining a sensing node is provided, and the method is applied to the central sensing controller in fig. 1 for illustration, and includes the following steps:

s202, obtaining a cell parameter pair.

The cell parameter pair is used for representing the channel state of the associated cell corresponding to the terminal equipment; the associated cell is a cell which can be searched by the terminal equipment in full frequency band.

Optionally, after receiving a service sensing request of the terminal device sent by the core network, the central sensing controller acquires a cell parameter pair measured by the terminal device.

In one embodiment, acquiring the pair of cell parameters includes: sending an information collection instruction to a first base station; the information collection instruction is used for indicating the first base station to acquire a cell parameter pair from the terminal equipment; and receiving the cell parameter pair sent by the first base station. After receiving the information collection instruction sent by the central perception controller, the first base station establishes RRC connection with the terminal equipment, and sends a perception measurement report instruction to the terminal equipment, wherein the perception measurement report instruction is used for indicating the terminal equipment to send a cell parameter pair to the first base station. After receiving the sensing measurement reporting instruction sent by the first base station, the terminal equipment searches the cell in the full frequency band, counts the cell identification of the searched associated cell, measures the SINR value of each associated cell, and packages the cell identification of each associated cell and the SINR value corresponding to the cell identification into a cell parameter pair. The terminal equipment can directly send the cell parameter pair to the first base station, and the first base station forwards the cell parameter pair to the central perception controller; or the terminal equipment encapsulates the cell parameter pair into RRC signaling, the RRC signaling is sent to the first base station, the first base station forwards the RRC signaling to the central perception controller, and the central perception controller acquires the cell parameter pair by analyzing the RRC signaling.

In one embodiment, the central perception controller may directly send a parameter pair reporting message to the terminal device, where the parameter pair reporting message is used to instruct the terminal device to report the cell parameter pair. After receiving the parameter pair report message sent by the central perception controller, the terminal equipment searches the cell in the full frequency band, counts the cell identification of the searched associated cell, measures the SINR value of each associated cell, and packages the cell identification of each associated cell and the SINR value corresponding to the cell identification into the cell parameter pair. The terminal equipment can directly send the cell parameter pairs to the central perception controller; or the terminal equipment encapsulates the cell parameter pair into RRC signaling, the RRC signaling is sent to the central perception controller, and the central perception controller acquires the cell parameter pair by analyzing the RRC signaling.

S204, determining target cells meeting the service requirement perceived by the terminal equipment in each associated cell according to the cell parameter pairs.

Alternatively, a cell with the best channel state can be selected from the associated cells as a target cell satisfying the service perceived by the terminal device according to the cell parameter pair. For example, the cell parameter pair includes SINR values of each associated cell, and according to the SINR values of each associated cell, an associated cell with the largest SINR value in each associated cell may be selected as a target cell that satisfies the service perceived by the terminal device. Or the cell parameter pair contains the throughput of each associated cell, and the associated cell with the largest throughput in each associated cell can be selected as a target cell meeting the service perceived by the terminal equipment according to the throughput of each associated cell; or the cell parameter pair contains the time delay of each associated cell, and the associated cell with the smallest time delay in each associated cell can be selected as a target cell meeting the requirement of terminal equipment perception service according to the time delay of each associated cell; or the cell parameter pair contains the jitter of the associated cells, and the associated cell with the minimum jitter in each associated cell can be selected as a target cell meeting the service perceived by the terminal equipment according to the jitter of each associated cell; or, the cell parameter pair contains the packet loss rate of the associated cell, and the associated cell with the smallest packet loss rate in each associated cell can be selected as the target cell meeting the perception service of the terminal equipment according to the packet loss rate of each associated cell.

S206, determining the target base station corresponding to the target cell as a sensing node of the terminal equipment.

The target base station corresponding to the target cell may be a target base station that provides or manages network services for the target cell, or the target base station corresponding to the target cell may be a base station that covers a wireless network of the target cell.

In this embodiment, the central perception controller determines, according to the channel state of each associated cell in the cell parameter pair, a target cell in each associated cell that meets the service perception requirement of the terminal device, and further determines a target base station corresponding to the target cell as a perception node for processing the service perception of the terminal device. By selecting the proper sensing node, the sensing effect of processing the sensing service is improved.

In one embodiment, receiving a cell parameter pair sent by a first base station includes: receiving a Radio Resource Control (RRC) signaling sent by a first base station through a sensing interface; and analyzing the RRC signaling to obtain the cell parameter pair. The RRC signaling may also be RRC container (RRC container), where the RRC container may be three parts of RRC container IE, length of RRC container contents and RRC container contents, the RRC container IE has a value of 10101010, the length has a value of 3×n/k, n is the number of cells selected from the ranking result, and k is the number of remaining cells after the offset value is removed from the n cells. The cell identification ID (Identity Document, identity) corresponds to 2× 8bit content,SINR to 1×8bit content. In this embodiment, the first base station transmits the cell parameter pair to the central perception controller in the form of RRC signaling, which improves the efficiency of data transmission, prevents network congestion, and reduces the signaling load.

Based on the above embodiments, there are various ways of determining the target cell, and this embodiment provides an alternative way of determining the target cell, as shown in fig. 3, where the target cell meeting the service requirement perceived by the terminal device in each associated cell may be determined according to the cell parameter pair, and specifically includes the following steps:

s302, obtaining the SINR value of the signal to interference plus noise ratio corresponding to the cell identification of each associated cell in the cell parameter pair.

Optionally, the cell parameter pair includes a cell identifier of an associated cell and an SINR value corresponding to each cell identifier, and the SINR value corresponding to the cell identifier of each associated cell may be obtained from the cell parameter pair.

S304, determining a plurality of candidate cells according to the SINR value.

Optionally, determining the plurality of candidate cells according to the SINR value may include: ordering SINR values corresponding to the cell identifications in the cell parameter pair according to the sequence from the large value to the small value to obtain an ordering result; and selecting the first n cells from the sequencing result to determine the first n cells as candidate cells. The selecting the first n cells from the ranking result to determine the first n cells as candidate cells may include: selecting the first n cells from the sorting result; and eliminating the cells with SINR values being offset values in the first n cells until the difference value of the SINR values of every two remaining cells is smaller than or equal to a preset value, and determining the k remaining cells after eliminating as candidate cells. The determining rule of the offset value may be that if the difference between the first SINR value and the second SINR value is greater than a preset value, and the difference between the second SINR value and the third SINR value is greater than the preset value, the second SINR value is the offset value; the second SINR value is an intermediate value between the first SINR value and the third SINR value in the ordering result. The preset value can be any value, and in implementation, the preset value can be freely set according to actual requirements, for example, the range of the preset value is between 0 and 5, and the preset value is not particularly limited.

Optionally, determining the plurality of candidate cells according to the SINR value may include: comparing the SINR value corresponding to the cell identifier of each associated cell with the SINR threshold value; and selecting the associated cells with SINR values higher than the SINR threshold as candidate cells, and further determining a plurality of candidate cells. The SINR threshold may be freely set according to actual requirements, and the SINR threshold may be any value, which is not specifically limited herein.

S306, obtaining user number information corresponding to each candidate cell, and determining a target cell according to the user number information.

The user number information includes the number of users in the RRC connected state in the candidate cell.

Optionally, obtaining user information corresponding to each candidate cell, and determining a target cell according to the user information, including: user number report information is sent to each second base station corresponding to the candidate cell; the user number reporting message is used for indicating the second base station to report the user number information of the candidate cell; and selecting a cell with the minimum user number from the candidate cells as a target cell according to the user number information reported by the second base station.

According to the embodiment, the cell with the better channel state in each associated cell is screened as the candidate cell according to the SINR value of each associated cell in the cell parameter pair, and then the target cell is determined from each candidate cell according to the user number information of each candidate cell, so that the calculation resource of the central perception controller is saved, and the efficiency of determining the target cell meeting the perception service requirement of the terminal equipment is improved.

In one embodiment, the method further comprises: transmitting a user switching instruction to a target base station; the switching user instruction is used for indicating the target base station to carry out migration processing on the users in the target cell according to the service duration of the users. The central perception controller transmits a user switching instruction to the target base station, so that the target base station carries out migration processing on users in the target cell based on the user switching instruction, thereby releasing the load of network service at the target base station and improving the processing capacity of the target base station on the network service. Further, after the migration processing of the user in the target cell is executed, the target base station processes the perceived service of the terminal device issued by the central perceived controller, so as to improve the effect of processing the perceived service by the target base station.

In one embodiment, the method further comprises: and sending a service processing indication message to the target base station, wherein the service processing indication message is used for indicating the target base station to process the perceived service of the terminal equipment. The central perception controller instructs the target base station to process the perceived business of the terminal equipment by sending a business processing instruction message to the target base station.

In one embodiment, as shown in fig. 4, a method for determining a sensing node is provided, and the method is applied to the first base station in fig. 1 for illustration, and includes the following steps:

S402, receiving an information collection instruction sent by the central perception controller.

The information collection instruction is used for indicating the first base station to acquire a cell parameter pair from the terminal equipment, the cell parameter pair is used for representing the channel state of the associated cell, and the first base station is a base station corresponding to the cell where the terminal equipment resides.

S404, responding to the information collection instruction, and sending a cell parameter pair to the central perception controller.

The cell parameter pairs are also used for the central perception controller to determine target cells meeting the perception service requirements of the terminal equipment in each associated cell, target base stations corresponding to the target cells are perception nodes, and the associated cells are cells which can be searched in full frequency bands by the terminal equipment.

In this embodiment, after receiving a signaling collection instruction sent by a central perception controller, a first base station sends a cell parameter pair to the central perception controller, and the central perception controller determines, according to a channel state of each associated cell in the cell parameter pair, a target cell meeting a service perception requirement of a terminal device in each associated cell, and further determines a target base station corresponding to the target cell as a perception node for processing a service perception of the terminal device. By selecting the proper sensing node, the sensing effect of processing the sensing service is improved.

In one embodiment, after receiving the information collection instruction sent by the central perception controller, the method further comprises: sending a perception measurement reporting instruction to terminal equipment; the sensing measurement reporting instruction is used for indicating the terminal equipment to send RRC signaling to the first base station, wherein the RRC signaling comprises cell parameter pairs encapsulated by the terminal equipment; and receiving the RRC signaling sent by the terminal equipment. In this embodiment, the first base station transmits the cell parameter pair to the central perception controller in the form of RRC signaling, which improves the efficiency of data transmission, prevents network congestion, and reduces the signaling load.

In one embodiment, in response to the information gathering instruction, sending the cell parameter pair to the central aware controller includes: and sending the RRC signaling to the central perception controller through the perception interface. In this embodiment, the first base station sends the RRC signaling to the central aware controller through the aware interface, so that security of data transmission is improved.

In one embodiment, as shown in fig. 5, a method for determining a sensing node is provided, and the method is applied to the sensing node for illustration, and includes the following steps:

s502, receiving a user switching instruction sent by the central perception controller.

Optionally, after the central perception controller selects a target cell from a plurality of associated cells and determines a target base station corresponding to the target cell as a perception node, a user switching instruction is sent to the perception node to instruct the perception node to perform migration processing on users in the target cell according to the service duration of the users.

S504, responding to the instruction of switching users, and determining the service duration of each user in RRC connection state in the target cell.

The target cell is a cell which is determined from each associated cell according to cell parameters and meets the service requirement perceived by the terminal equipment by the central perception controller, the perception node is a target base station corresponding to the target cell, the associated cell is a cell which can be searched by the terminal equipment in a full frequency band, and the cell parameter pair is used for representing the channel state of the associated cell.

S506, the migration processing is carried out on the users in the target cell according to the service duration.

Optionally, the duration of the service of the user and the magnitude of the preset duration value can be compared, and the user with the duration of the service exceeding the preset duration value is migrated from the target cell to other cells; the preset duration value may be set arbitrarily according to the actual requirement, for example, in the actual implementation, the preset duration value may be set to 5 seconds, 10 seconds, 1 minute, or the like, which is not limited herein specifically. Or setting a preset proportion, sequencing the service duration of each user in the target cell according to the sequence from large to small to obtain a duration sequencing result, determining the user needing to be migrated according to the preset proportion and the duration sequencing result, and migrating the user needing to be migrated from the target cell to other cells; and determining the users to be migrated according to the preset proportion and the duration sequencing result, wherein the users with the preset proportion, which are ranked at the front, in the duration sequencing result are selected to be determined as the users to be migrated.

In this embodiment, after receiving the user switching instruction sent by the central sensing controller, the sensing node determines the service duration of each user in the RRC connection state in the target cell, and performs migration processing on the users in the target cell according to the service duration of each user, so as to release the network service load of the sensing node, improve the processing capability of the network service of the sensing node, and facilitate subsequent processing of the sensing service.

In one embodiment, the target cell includes a first user and a second user in an RRC connected state; and performing migration processing on the users in the target cell according to the service duration, wherein the migration processing comprises the following steps: under the condition that the service duration of the first user is longer than a preset duration value, the first user is migrated from a target cell to other cells; and under the condition that the service duration of the second user is less than or equal to the preset duration, the connection between the second user and the target cell is maintained, and after the service of the second user is completed, the second user is migrated from the target cell to other cells. In the embodiment, the sensing node releases the network service load of the sensing node by reasonably migrating the users in the target cell, so that the processing capacity of the network service of the sensing node is improved, and the subsequent processing of the sensing service is facilitated.

It should be understood that, although the steps in the flowcharts related to the above embodiments are sequentially shown as indicated by arrows, these steps are not necessarily sequentially performed in the order indicated by the arrows. The steps are not strictly limited to the order of execution unless explicitly recited herein, and the steps may be executed in other orders. Moreover, at least some of the steps in the flowcharts described in the above embodiments may include a plurality of steps or a plurality of stages, which are not necessarily performed at the same time, but may be performed at different times, and the order of the steps or stages is not necessarily performed sequentially, but may be performed alternately or alternately with at least some of the other steps or stages.

Based on the same inventive concept, the embodiment of the application also provides a sensing node determining device for realizing the above related sensing node determining method. The implementation of the solution provided by the device is similar to the implementation described in the above method, so the specific limitation in the embodiments of the one or more sensing node determining devices provided below may be referred to the limitation of the sensing node determining method hereinabove, and will not be described herein.

In one embodiment, as shown in fig. 6, there is provided a sensing node determining apparatus, which can be applied to a central sensing controller side, including:

a parameter obtaining module 610, configured to obtain a cell parameter pair; the cell parameter pair is used for representing the channel state of the associated cell corresponding to the terminal equipment; the associated cell is a cell which can be searched by the terminal equipment in full frequency band;

a first determining module 620, configured to determine, according to the cell parameter pair, a target cell in each associated cell that meets a service requirement perceived by the terminal device;

a second determining module 630, configured to determine a target base station corresponding to the target cell as a sensing node of the terminal device.

According to the device, the target cells meeting the service sensing requirements of the terminal equipment in the associated cells are determined according to the channel states of the associated cells in the cell parameter pairs, and then the target base stations corresponding to the target cells are determined to be sensing nodes for processing the service sensing of the terminal equipment. By selecting the proper sensing node, the sensing effect of processing the sensing service is improved.

In one embodiment, the parameter obtaining module 610 includes an instruction sending unit and a parameter receiving unit;

The instruction sending unit is used for sending an information collection instruction to the first base station; the information collection instruction is used for indicating the first base station to acquire a cell parameter pair from the terminal equipment;

and the parameter receiving unit is used for receiving the cell parameter pair sent by the first base station.

In one embodiment, the parameter receiving unit is specifically configured to receive a radio resource control RRC signaling sent by the first base station through the awareness interface; and analyzing the RRC signaling to obtain the cell parameter pair.

In one embodiment, the first determining module includes an SINR value acquisition unit, a candidate determining unit, and a target determining unit;

the SINR value acquisition unit is used for acquiring SINR values of signal to interference plus noise ratios corresponding to the cell identifications of the associated cells in the cell parameter pair;

a candidate determining unit for determining a plurality of candidate cells according to the SINR value;

and the target determining unit is used for acquiring the user number information corresponding to each candidate cell and determining the target cell according to the user number information.

In one embodiment, the candidate determining unit includes a sorting subunit and a candidate determining subunit;

The sorting subunit is used for sorting the SINR values corresponding to the cell identifications in the cell parameter pair according to the sequence from the large value to the small value to obtain a sorting result;

and the candidate determination subunit is used for selecting the first n cells from the sorting result to determine the first n cells as candidate cells.

In one embodiment, the candidate determining subunit is further configured to select the first n cells from the ranking result; and eliminating the cells with SINR values being offset values in the first n cells until the difference value of the SINR values of every two remaining cells is smaller than or equal to a preset value, and determining the k remaining cells after eliminating as candidate cells.

In one embodiment, the target determining unit is further configured to send a user number report message to each second base station corresponding to the candidate cell; the user number reporting message is used for indicating the second base station to report the user number information of the candidate cell, wherein the user number information comprises the number of the users in the RRC connection state in the candidate cell; and selecting a cell with the minimum user number from the candidate cells as a target cell according to the user number information reported by the second base station.

In one embodiment, the apparatus further includes a handover instruction sending module, configured to send a handover user instruction to the target base station; the switching user instruction is used for indicating the target base station to carry out migration processing on the users in the target cell according to the service duration of the users.

In one embodiment, the apparatus further includes a processing message sending module, configured to send a service processing indication message to the target base station, where the service processing indication message is configured to instruct the target base station to process the perceived service of the terminal device.

In one embodiment, as shown in fig. 7, there is provided a sensing node determining apparatus, applied to a first base station side, including:

the first receiving module 710 is configured to receive an information collection instruction sent by the central perception controller; the information collection instruction is used for indicating a first base station to acquire a cell parameter pair from the terminal equipment, wherein the cell parameter pair is used for representing the channel state of an associated cell, and the first base station is a base station corresponding to the cell where the terminal equipment resides;

a parameter transmitting module 720 for transmitting a cell parameter pair to the central perception controller in response to the information collection instruction; the cell parameter pair is also used for the central perception controller to determine target cells meeting the perception service requirements of the terminal equipment in each associated cell, the target base station corresponding to the target cell is a perception node, and the associated cell is a cell which can be searched by the terminal equipment in a full frequency band.

After receiving the signaling collection instruction sent by the central perception controller, the device sends the cell parameter pair to the central perception controller, so that the central perception controller determines the target cell meeting the terminal equipment perception service requirement in each associated cell according to the channel state of each associated cell in the cell parameter pair, and further determines the target base station corresponding to the target cell as a perception node for processing the terminal equipment perception service. By selecting the proper sensing node, the sensing effect of processing the sensing service is improved.

In one embodiment, the device further includes a measurement instruction sending module, configured to send a sensing measurement report instruction to the terminal device; the sensing measurement reporting instruction is used for indicating the terminal equipment to send RRC signaling to the first base station, wherein the RRC signaling comprises cell parameter pairs encapsulated by the terminal equipment;

the device also comprises a first signaling receiving module, wherein the first signaling receiving module is used for receiving the RRC signaling sent by the terminal equipment.

In one embodiment, the parameter sending module 720 is specifically configured to send the RRC signaling to the central awareness controller through the awareness interface.

Based on the same inventive concept, the embodiment of the application also provides a sensing node control device for realizing the above related sensing node control method. The implementation of the solution provided by the device is similar to the implementation described in the above method, so the specific limitation in the embodiments of one or more sensing node control devices provided below may refer to the limitation of the sensing node control method hereinabove, and will not be repeated herein.

In one embodiment, as shown in fig. 8, there is provided a sensing node control device applied to a sensing node side, including:

A second receiving module 810, configured to receive a user switching instruction sent by the central perception controller;

a duration determining module 820, configured to determine a service duration of each user in the RRC connected state in the target cell in response to the handover user instruction; the target cell is a cell which is determined from each associated cell according to cell parameters and meets the service requirement perceived by the terminal equipment by the central perception controller, the perception node is a target base station corresponding to the target cell, the associated cell is a cell which can be searched by the terminal equipment in a full frequency band, and the cell parameter pair is used for representing the channel state of the associated cell;

and the user migration module 830 is configured to perform migration processing on the users in the target cell according to the service duration.

After receiving the user switching instruction sent by the central perception controller, the device determines the service duration of each user in the RRC connection state in the target cell, and performs migration processing on the users in the target cell according to the service duration of each user so as to release the network service load of the perception node, improve the processing capacity of the network service of the perception node, and facilitate the subsequent processing of the perception service.

In one embodiment, the target cell includes a first user and a second user in an RRC connected state; the user migration module is specifically configured to migrate the first user from the target cell to other cells when the service duration of the first user is longer than a preset duration value; and under the condition that the service duration of the second user is less than or equal to the preset duration, the connection between the second user and the target cell is maintained, and after the service of the second user is completed, the second user is migrated from the target cell to other cells.

The above-described respective modules in the sensing node determining means or the sensing node control means may be implemented in whole or in part by software, hardware, and combinations thereof. The above modules may be embedded in hardware or may be independent of a processor in the computer device, or may be stored in software in a memory in the computer device, so that the processor may call and execute operations corresponding to the above modules.

In one embodiment, a computer device is provided, which may be a server, and the internal structure of which may be as shown in fig. 9. The computer device includes a processor, memory, network interface, and transceiver (not shown) connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The transceiver is used for executing operations of receiving data or transmitting data under the control of the processor. The non-volatile storage medium stores an operating system, computer programs, and a database. The internal memory provides an environment for the operation of the operating system and computer programs in the non-volatile storage media. The database of the computer equipment is used for storing data such as cell parameter pairs, information collection instructions, RRC signaling, perception measurement reporting instructions, service processing instruction messages and the like. The network interface of the computer device is used for communicating with an external terminal through a network connection. The computer program, when executed by a processor, implements a method of sensing node determination or a method of sensing node control.

It will be appreciated by those skilled in the art that the structure shown in fig. 9 is merely a block diagram of a portion of the structure associated with the present application and is not limiting of the computer device to which the present application applies, and that a particular computer device may include more or fewer components than shown, or may combine some of the components, or have a different arrangement of components.

In one embodiment, a computer device is provided comprising a memory and a processor, the memory having stored therein a computer program, the processor when executing processing logic in the computer program performing the steps of:

acquiring a cell parameter pair; the cell parameter pair is used for representing the channel state of the associated cell corresponding to the terminal equipment; the associated cell is a cell which can be searched by the terminal equipment in full frequency band;

determining target cells meeting the service perceived requirement of the terminal equipment in each associated cell according to the cell parameter pairs;

In one embodiment, the processor when executing the processing logic for obtaining the cell parameter pairs in the computer program further performs the steps of:

sending an information collection instruction to a first base station; the information collection instruction is used for indicating the first base station to acquire a cell parameter pair from the terminal equipment; and receiving the cell parameter pair sent by the first base station.

In one embodiment, the processor when executing the processing logic of the computer program to receive the cell parameter pair sent by the first base station further performs the steps of:

receiving a Radio Resource Control (RRC) signaling sent by a first base station through a sensing interface; and analyzing the RRC signaling to obtain the cell parameter pair.

In one embodiment, the processor executes processing logic in the computer program for determining a target cell in each associated cell that meets a service requirement perceived by the terminal device according to the cell parameter pair, and further performs the following steps:

acquiring signal-to-interference-plus-noise ratio (SINR) values corresponding to cell identifications of each associated cell in a cell parameter pair; determining a plurality of candidate cells according to the SINR value; user number information corresponding to each candidate cell is obtained, and a target cell is determined according to the user number information.

In one embodiment, the processor when executing the processing logic of the computer program to determine a plurality of candidate cells from the SINR values further performs the steps of:

ordering SINR values corresponding to the cell identifications in the cell parameter pair according to the sequence from the large value to the small value to obtain an ordering result; and selecting the first n cells from the sequencing result to determine the first n cells as candidate cells.

In one embodiment, the processor when executing the processing logic in the computer program to select the first n cells from the ranking result to determine as candidate cells further implements the steps of:

Selecting the first n cells from the sorting result; and eliminating the cells with SINR values being offset values in the first n cells until the difference value of the SINR values of every two remaining cells is smaller than or equal to a preset value, and determining the k remaining cells after eliminating as candidate cells.

In one embodiment, when the processor executes the computer program to obtain the user number information corresponding to each candidate cell, and determines the processing logic of the target cell according to the user number information, the following steps are further implemented:

user number report information is sent to each second base station corresponding to the candidate cell; the user number reporting message is used for indicating the second base station to report the user number information of the candidate cell, wherein the user number information comprises the number of the users in the RRC connection state in the candidate cell; and selecting a cell with the minimum user number from the candidate cells as a target cell according to the user number information reported by the second base station.

In one embodiment, the processor when executing the processing logic in the computer program further performs the steps of:

transmitting a user switching instruction to a target base station; the switching user instruction is used for indicating the target base station to carry out migration processing on the users in the target cell according to the service duration of the users.

receiving an information collection instruction sent by a central perception controller; the information collection instruction is used for indicating a first base station to acquire a cell parameter pair from the terminal equipment, wherein the cell parameter pair is used for representing the channel state of an associated cell, and the first base station is a base station corresponding to the cell where the terminal equipment resides;

responding to the information collection instruction, and sending a cell parameter pair to a central perception controller; the cell parameter pair is also used for the central perception controller to determine target cells meeting the perception service requirements of the terminal equipment in each associated cell, the target base station corresponding to the target cell is a perception node, and the associated cell is a cell which can be searched by the terminal equipment in a full frequency band.

sending a perception measurement reporting instruction to terminal equipment; the sensing measurement reporting instruction is used for indicating the terminal equipment to send RRC signaling to the first base station, wherein the RRC signaling comprises cell parameter pairs encapsulated by the terminal equipment; and receiving the RRC signaling sent by the terminal equipment.

In one embodiment, the processor when executing the processing logic in the computer program for transmitting the cell parameter pairs to the central awareness controller in response to the information gathering instructions further performs the steps of:

and sending the RRC signaling to the central perception controller through the perception interface.

receiving a user switching instruction sent by a central perception controller;

responding to a user switching instruction, and determining service duration of each user in an RRC connection state in a target cell; the target cell is a cell which is determined from each associated cell according to cell parameters and meets the service requirement perceived by the terminal equipment by the central perception controller, the perception node is a target base station corresponding to the target cell, the associated cell is a cell which can be searched by the terminal equipment in a full frequency band, and the cell parameter pair is used for representing the channel state of the associated cell;

and carrying out migration processing on the users in the target cell according to the service duration.

In one embodiment, a target cell includes a first user and a second user in an RRC connected state; the processor, when executing the processing logic of the computer program for performing migration processing on the users in the target cell according to the service duration, further realizes the following steps:

Under the condition that the service duration of the first user is longer than a preset duration value, the first user is migrated from a target cell to other cells; and under the condition that the service duration of the second user is less than or equal to the preset duration, the connection between the second user and the target cell is maintained, and after the service of the second user is completed, the second user is migrated from the target cell to other cells.

In one embodiment, a computer readable storage medium is provided having a computer program stored thereon, which when executed by a processor, performs the steps of:

In one embodiment, the processing logic in the computer program for acquiring the cell parameter pairs, when executed by the processor, further performs the steps of:

In one embodiment, the processing logic in the computer program that receives the cell parameter pair sent by the first base station, when executed by the processor, further performs the steps of:

In one embodiment, the processing logic in the computer program for determining, according to the cell parameter pairs, a target cell in each associated cell that meets the service requirement perceived by the terminal device further implements the following steps when executed by the processor:

In one embodiment, the processing logic in the computer program for determining a plurality of candidate cells based on SINR values, when executed by the processor, further performs the steps of:

In one embodiment, the processing logic in the computer program for selecting the first n cells from the ranking result to determine as candidate cells further performs the following steps when executed by the processor:

In one embodiment, the computer program obtains user number information corresponding to each candidate cell, and when the processing logic for determining the target cell according to the user number information is executed by the processor, the following steps are further implemented:

user number report information is sent to each second base station corresponding to the candidate cell; the user number reporting message is used for indicating the second base station to report the user number information of the candidate cell, wherein the user number information comprises the number of the users in the RRC connection state in the candidate cell;

and selecting a cell with the minimum user number from the candidate cells as a target cell according to the user number information reported by the second base station.

In one embodiment, the processing logic in the computer program when executed by the processor further performs the steps of:

In one embodiment, the processing logic in the computer program that sends the cell parameter pairs to the central aware controller in response to the information gathering instructions, when executed by the processor, further performs the steps of:

receiving a user switching instruction sent by a central perception controller;

In one embodiment, a target cell includes a first user and a second user in an RRC connected state; the processing logic of the computer program for performing migration processing on the users in the target cell according to the service duration, when executed by the processor, further performs the following steps:

In one embodiment, a computer program product is provided comprising a computer program which, when executed by a processor, performs the steps of:

receiving a user switching instruction sent by a central perception controller;

It should be noted that, user information (including but not limited to user equipment information, user personal information, etc.) and data (including but not limited to data for analysis, stored data, presented data, etc.) referred to in the present application are information and data authorized by the user or sufficiently authorized by each party.

Those skilled in the art will appreciate that implementing all or part of the above-described methods in accordance with the embodiments may be accomplished by way of a computer program stored on a non-transitory computer readable storage medium, which when executed may comprise the steps of the embodiments of the methods described above. Any reference to memory, database, or other medium used in the various embodiments provided herein may include at least one of non-volatile and volatile memory. The nonvolatile Memory may include Read-Only Memory (ROM), magnetic tape, floppy disk, flash Memory, optical Memory, high density embedded nonvolatile Memory, resistive random access Memory (ReRAM), magnetic random access Memory (MagnetoresistiveRandom Access Memory, MRAM), ferroelectric Memory (Ferroelectric Random Access Memory, FRAM), phase change Memory (Phase Change Memory, PCM), graphene Memory, and the like. Volatile memory can include random access memory (Random Access Memory, RAM) or external cache memory, and the like. By way of illustration, and not limitation, RAM can take many forms, such as static Random access memory (Static Random Access Memory, SRAM) or Dynamic Random access memory (Dynamic Random AccessMemory, DRAM), among others. The databases referred to in the various embodiments provided herein may include at least one of relational databases and non-relational databases. The non-relational database may include, but is not limited to, a blockchain-based distributed database, and the like. The processors referred to in the embodiments provided herein may be general purpose processors, central processing units, graphics processors, digital signal processors, programmable logic units, quantum computing-based data processing logic units, etc., without being limited thereto.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing examples represent only a few embodiments of the present application, which are described in more detail and are not thereby to be construed as limiting the scope of the present application. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application shall be subject to the appended claims.

Claims

1. A method of determining a sensing node, applied to a central sensing controller, the method comprising:

2. The method of claim 1, wherein the acquiring the pair of cell parameters comprises:

and receiving the cell parameter pair sent by the first base station.

3. The method of claim 2, wherein receiving the pair of cell parameters transmitted by the first base station comprises:

receiving a Radio Resource Control (RRC) signaling sent by the first base station through a sensing interface;

and analyzing the RRC signaling to obtain the cell parameter pair.

4. A method according to any one of claims 1-3, wherein determining, according to the cell parameter pair, a target cell in each of the associated cells that meets the terminal device perceived service requirement comprises:

acquiring signal-to-interference-plus-noise ratio (SINR) values corresponding to cell identifications of each associated cell in the cell parameter pair;

Determining a plurality of candidate cells according to the SINR value;

5. The method of claim 4, wherein said determining a plurality of candidate cells from said SINR value comprises:

6. The method of claim 5, wherein selecting the first n cells from the ranking result to determine as the candidate cell comprises:

selecting the first n cells from the sorting result;

7. The method of claim 4, wherein obtaining user information corresponding to each candidate cell and determining the target cell based on the user information comprises:

8. The method according to claim 1, wherein the method further comprises:

9. The method according to claim 1, wherein the method further comprises:

10. A method of determining a sensing node, the method being applied to a first base station, the method comprising:

11. The method of claim 10, wherein after receiving the information gathering instructions sent by the central awareness controller, the method further comprises:

and receiving the RRC signaling sent by the terminal equipment.

12. The method of claim 11, wherein transmitting the pair of cell parameters to the central aware controller in response to the information gathering instruction comprises:

13. A method of controlling a sensing node, the method comprising:

Receiving a user switching instruction sent by a central perception controller;

14. The method of claim 13, wherein the target cell comprises a first user and a second user in an RRC connected state;

15. A sensing node determining apparatus, characterized by being applied to a central sensing controller side, the apparatus comprising:

16. A sensing node determining apparatus, applied to a first base station side, comprising:

17. A sensing node control apparatus, characterized by being applied to a sensing node side, comprising:

18. A computer device comprising a memory, a transceiver and a processor, the memory storing a computer program, characterized in that the processor implements the steps of the method of any one of claims 1 to 9 when the computer program is executed, or the processor implements the steps of the method of any one of claims 10 to 12 when the computer program is executed, or the processor implements the steps of the method of any one of claims 13 to 14 when the computer program is executed, the transceiver being operative to perform operations of receiving data or transmitting data under control of the processor.

19. A computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the method of any of claims 1 to 14.

20. A computer program product comprising a computer program, characterized in that the computer program, when being executed by a processor, implements the steps of the method of any one of claims 1 to 14.