CN116114306A

CN116114306A - Cell searching method, terminal equipment and network equipment

Info

Publication number: CN116114306A
Application number: CN202080105105.7A
Authority: CN
Inventors: 范江胜
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2023-05-12
Also published as: WO2022141211A1

Abstract

The embodiment of the application provides a cell searching method, terminal equipment and network equipment, wherein the method comprises the following steps: cell searching is carried out according to the cell searching indication information of the target frequency point; wherein, the target frequency point includes: and the service frequency point of the terminal equipment and/or at least one adjacent frequency associated with the service frequency point. Thereby realizing the service continuity and the power saving requirement of the terminal equipment.

Description

Cell searching method, terminal equipment and network equipment

Technical Field

The embodiment of the application relates to the field of communication, and more particularly, to a cell search method, a terminal device and a network device.

Background

The New air interface (New Radio, NR) 16 version (R16) introduces a Non-public Network (NPN), and in order to increase flexibility of NPN deployment, the NPN Network may be further divided into a Stand-alone Non-public Network (SNPN) and a closed access group (Closed Access Group, CAG) Network, where an SNPN is determined by a public land mobile Network (Public Land Mobile Network, PLMN) Identifier (Identifier) and a Network Identifier (Network Identifier, NID), and a CAG Network is determined by a PLMN ID and a CAG Identifier (CAG ID).

Generally, it is necessary to rely on an operator to provide the NPN, but deploying the temporary NPN for temporary NPN network requirements, such as for temporary concert communication or temporary emergency communication, each time relying on an operator to provide the temporary NPN is not an efficient networking mode, based on which it seems more efficient for an operator to allow a third party to establish his own network by means of protocol authorization.

But once the operator authorizes the third party to build its NPN network, the operator officially deployed network and the third party entity deployed network can present a problem of network coexistence, which is not only logical, but also likely to be a shared mode, such as frequency resource sharing, on resource deployment.

Currently, for an NPN network established by such a third party, there is no method for assisting a terminal device to quickly search for a cell of a desired type, for example: several cells deployed in the temporary concert coexist with cells deployed in the authorities of off-site operators, and the terminal equipment cannot be preferentially selected or searched for the cell of the sponsor of the concert under the existing mechanism, so that the defect is unfavorable for the service continuity and the power saving requirement of the terminal equipment.

Disclosure of Invention

The embodiment of the application provides a cell searching method, terminal equipment and network equipment, so that service continuity and electricity saving requirements of the terminal equipment are realized.

In a first aspect, a cell search method is provided, including: cell searching is carried out according to the cell searching indication information of the target frequency point; wherein, the target frequency point includes: and the service frequency point of the terminal equipment and/or at least one adjacent frequency associated with the service frequency point.

In a second aspect, a cell search method is provided, including: transmitting cell search indication information of a target frequency point to terminal equipment; the cell search indication information is used for the terminal equipment to search cells, and the target frequency point comprises: the frequency point of the service cell of the terminal equipment and/or the frequency point of at least one adjacent cell associated with the service frequency point.

In a third aspect, a terminal device is provided for performing the method in the first aspect or each implementation manner thereof.

Specifically, the terminal device comprises functional modules for performing the method of the first aspect or its implementation manner.

In a fourth aspect, a network device is provided for performing the method of the second aspect or implementations thereof.

Specifically, the terminal device comprises functional modules for performing the method of the second aspect or implementations thereof.

In a fifth aspect, a terminal device is provided comprising a processor and a memory. The memory is used for storing a computer program, and the processor is used for calling and running the computer program stored in the memory and executing the method in the first aspect or various implementation manners thereof.

In a sixth aspect, a network device is provided that includes a processor and a memory. The memory is for storing a computer program and the processor is for calling and running the computer program stored in the memory for performing the method of the second aspect or implementations thereof described above.

In a seventh aspect, there is provided an apparatus for implementing the method of the first aspect, the second aspect or each implementation thereof.

Specifically, the device comprises: a processor for calling and running a computer program from a memory, causing a device in which the apparatus is installed to perform the method as in the first aspect, the second aspect or various implementations thereof described above.

In an eighth aspect, there is provided a computer program product comprising computer program instructions for causing a computer to perform the method of the first aspect, the second aspect or various implementations thereof.

A ninth aspect provides a computer program which, when run on a computer, causes the computer to perform the method of the first aspect, the second aspect or various implementations thereof.

In summary, in the present application, the terminal device may acquire cell search indication information, and according to this information, may quickly search for a suitable cell, for example: the frequency point searched by the highest priority is searched preferentially, or the frequency point searched by the lowest priority is searched finally, or the frequency point which does not need to be searched is ignored, and the like, so that the service continuity and the electricity saving requirement of the terminal equipment are met.

Drawings

FIG. 1 is a schematic diagram of an application scenario according to an embodiment of the present application;

fig. 2 is a schematic diagram of a networking combination relationship among a common public network, an SNPN and a CAG network according to an embodiment of the present disclosure;

FIG. 3 shows an interactive flow chart of a cell search method according to an embodiment of the present application;

fig. 4 shows a schematic block diagram of a terminal device 400 according to an embodiment of the present application;

fig. 5 shows a schematic block diagram of a network device 500 according to an embodiment of the present application;

fig. 6 is a schematic structural diagram of a communication device 600 provided in an embodiment of the present application;

FIG. 7 is a schematic block diagram of an apparatus of an embodiment of the present application;

fig. 8 is a schematic block diagram of a communication system 800 provided in an embodiment of the present application.

Detailed Description

The following description of the technical solutions in the embodiments of the present application will be made with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden for the embodiments herein, are intended to be within the scope of the present application.

Fig. 1 is a schematic diagram of an application scenario according to an embodiment of the present application.

As shown in fig. 1, communication system 100 may include a terminal device 110 and a network device 120. Network device 120 may communicate with terminal device 110 over the air interface. Multi-service transmission is supported between terminal device 110 and network device 120.

It should be understood that the present embodiments are illustrated by way of example only with respect to communication system 100, but the present embodiments are not limited thereto. That is, the technical solution of the embodiment of the present application may be applied to various communication systems, for example: long term evolution (Long Term Evolution, LTE) system, LTE time division duplex (Time Division Duplex, TDD), universal mobile telecommunications system (Universal Mobile Telecommunication System, UMTS), 5G communication system (also referred to as New Radio (NR) communication system), or future communication system, etc.

Taking a 5G communication system as an example, the main application scenarios of 5G are: enhanced mobile Ultra-wideband (Enhance Mobile Broadband, emmbb), low latency high reliability communications (Ultra-Reliable and Low Latency Communication, URLLC), large scale machine type communications (massive Machine Type of Communication, mctc). embbs still target users to obtain multimedia content, services, and data, and their demand is growing very rapidly. Since the eMBB may be deployed in different scenarios, such as indoor, urban, rural, etc., the capability and demand of the eMBB may also vary widely, and thus, a detailed analysis must be performed in conjunction with a specific deployment scenario. Typical applications of URLLC include: industrial automation, electric power automation, remote medical operation (surgery), traffic safety guarantee and the like. Typical characteristics of mctc include: high connection density, small data volume, delay insensitive traffic, low cost and long service life of the module, etc.

In a 5G network environment, for the purposes of reducing air interface signaling and fast recovery of radio connections, fast recovery of data traffic, a new radio resource control (Radio Resource Control, RRC) state, namely an rrc_inactive state, is defined. This state is different from the rrc_idle and rrc_connected states. Rrc_idle: mobility is cell selection reselection based on a medium terminal device, paging is initiated by a Core Network (CN), and paging areas are configured by the CN. The network device side does not have an Access Stratum (AS) context of the terminal device, and does not have an RRC connection. Rrc_connected: the method comprises the steps that RRC connection exists, and a network device and a terminal device exist a UE AS context; the network device knows that the location of the terminal device is cell specific. Mobility is mobility controlled by the network device. Unicast data may be transmitted between the terminal device and the network device. Rrc_inactive: mobility is cell selection reselection based on terminal equipment, there is a connection between CN-NRs, terminal equipment AS context is present on a certain network equipment, paging is triggered by radio access network (Radio Access Network, RAN), paging area based on RAN is managed by RAN, network equipment knows that the location of terminal equipment is based on paging area level of RAN.

In the communication system 100 shown in fig. 1, the network device 120 may be an access network device in communication with the terminal device 110. The access network device may provide communication coverage for a particular geographic area and may communicate with terminal devices 110 (e.g., UEs) located within the coverage area.

The network device 120 may be an evolved base station (Evolutional Node B, eNB or eNodeB) in a long term evolution (Long Term Evolution, LTE) system, or a next generation radio access network (Next Generation Radio Access Network, NG RAN) device, or a base station (gNB) in a NR system, or a radio controller in a cloud radio access network (Cloud Radio Access Network, CRAN), or the network device 120 may be a relay station, an access point, a vehicle device, a wearable device, a hub, a switch, a bridge, a router, or a network device in a future evolved public land mobile network (Public Land Mobile Network, PLMN), etc.

Terminal device 110 may be any terminal device including, but not limited to, a terminal device that employs a wired or wireless connection with network device 120 or other terminal devices.

For example, the terminal device 110 may refer to an access terminal, user Equipment (UE), subscriber unit, subscriber station, mobile station, remote terminal, mobile device, user terminal, wireless communication device, user agent, or User Equipment. An access terminal may be a cellular telephone, a cordless telephone, a session initiation protocol (Session Initiation Protocol, SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, a personal digital assistant (Personal Digital Assistant, PDA), a handheld device with wireless communication capabilities, a computing device or other processing device connected to a wireless modem, an in-vehicle device, a wearable device, a terminal device in a 5G network or a terminal device in a future evolution network, etc.

The terminal Device 110 may be used for Device-to-Device (D2D) communication.

The wireless communication system 100 may further comprise a core network device 130 in communication with the base station, which core network device 130 may be a 5G core,5gc device, e.g. an access and mobility management function (Access and Mobility Management Function, AMF), further e.g. an authentication server function (Authentication Server Function, AUSF), further e.g. a user plane function (User Plane Function, UPF), further e.g. a session management function (Session Management Function, SMF). Optionally, the core network device 130 may also be a packet core evolution (Evolved Packet Core, EPC) device of the LTE network, for example a session management function+a data gateway (Session Management Function + Core Packet Gateway, smf+pgw-C) device of the core network. It should be appreciated that SMF+PGW-C may perform the functions performed by both SMF and PGW-C. In the network evolution process, the core network device may also call other names, or form a new network entity by dividing the functions of the core network, which is not limited in this embodiment of the present application.

Communication may also be achieved by establishing connections between various functional units in the communication system 100 through a next generation Network (NG) interface.

For example, the terminal device establishes an air interface connection with the access network device through an NR interface, and is used for transmitting user plane data and control plane signaling; the terminal equipment can establish control plane signaling connection with AMF through NG interface 1 (N1 for short); an access network device, such as a next generation radio access base station (gNB), can establish a user plane data connection with a UPF through an NG interface 3 (N3 for short); the access network equipment can establish control plane signaling connection with AMF through NG interface 2 (N2 for short); the UPF can establish control plane signaling connection with the SMF through an NG interface 4 (N4 for short); the UPF can interact user plane data with the data network through an NG interface 6 (N6 for short); the AMF may establish a control plane signaling connection with the SMF through NG interface 11 (N11 for short); the SMF may establish a control plane signaling connection with the PCF via NG interface 7 (N7 for short).

Fig. 1 exemplarily illustrates one base station, one core network device, and two terminal devices, alternatively, the wireless communication system 100 may include a plurality of base station devices and each base station may include other number of terminal devices within a coverage area, which is not limited in the embodiment of the present application.

It should be understood that devices with communication functions in the network/system in the embodiments of the present application may be referred to as communication devices. Taking the communication system 100 shown in fig. 1 as an example, the communication device may include a network device 120 and a terminal device 110 with communication functions, where the network device 120 and the terminal device 110 may be the devices described above, and are not described herein again; the communication device may also include other devices in the communication system 100, such as a network controller, a mobility management entity, and other network entities, which are not limited in this embodiment of the present application.

It should be understood that the terms "system" and "network" are used interchangeably herein.

The NR 16 introduces an NPN, which may be divided into an SNPN and a CAG network in order to increase flexibility of NPN deployment, where one SNPN is determined by PLMN ID and NID, and one CAG network is determined by PLMN ID and CAG ID. Taking the SNPN as an example, PLMN ID and NID may be used as an identifier of the SNPN, and a user subscribed to a certain SNPN service may configure a corresponding user permanent identifier (Subscriber Permanent Identifier, SUPI) and subscription information, and store them at the terminal device and the core network side. A user subscribed to the SNPN service needs to support an SNPN access mode (SNPN access mode), and a user configured to the SNPN access mode can only access the network through the SNPN, and a user not configured to the SNPN access mode can perform a PLMN selection procedure. Wherein the configuration mode (activation, deactivation, etc.) of the SNPN access mode is implemented by the terminal device. In the process of initial access and cell reselection, the access network equipment needs to broadcast the NID supported by itself and corresponding PLMN ID information, and the user configured with the SNPN access mode can select an accessible SNPN cell according to own subscription information, and the core network equipment can also authenticate the identity of the user according to the subscription information of the user.

One PLMN can simultaneously support any network sharing combination mode in the common public network, the SNPN and the CAG network. For example, one PLMN may support a common public network, an SNPN, or a CAG network alone, or may support a network sharing combination mode of the common public network and the SNPN, or may support a network sharing combination mode of the common public network, the SNPN, and the CAG network. In other words, the common public network, the SNPN or the CAG network may be supported by one PLMN, or the common public network and the SNPN may share one PLMN network at the same time, or even the common public network, the SNPN and the CAG network may share one PLMN network at the same time. The following table 1 can more clearly reflect the logical deployment relationship among the common public network, the SNPN and the CAG network.

Table 1 network identification configuration schematic for a cell to support

As shown in table 1, from the network configuration perspective, one cell may simultaneously configure public network PLMN ID list information and non-public network NPN network identification list information, where the non-public network NPN network identification list information is an optional parameter introduced by NR R16, and for a CAG type NPN network, one PLMN ID is allowed to be associated with one CAG ID list; for an NPN network of the SNPN type, one PLMN ID is allowed to be associated with one NID list.

The parameters N, M, W in table 1 are positive integers of 1 or more.

Fig. 2 is a schematic diagram of a networking combination relationship among a common public network, an SNPN and a CAG network according to an embodiment of the present application.

As shown in fig. 2, one physical cell may be shared by multiple PLMN networks at the same time, and each PLMN logical cell may constitute its own unique non-public network. Alternatively, different physical cells may be distinguished by physical cell identity (Physical Cell Identities, PCI). The number of physical cell identities of the NR system is 1008 in total. PCI is a radio signal used to distinguish between different cells, ensuring that there is no identical physical cell identity within the coverage of the relevant cell. Any network sharing combination of a common public network, SNPN and CAG network can be freely deployed under one PLMN. Optionally, the number of independent SNPN subnetworks deployed in a physical cell, the number of independent CAG subnetworks, or the total number of SNPNs and CAG subnetworks cannot exceed 12.

The terminal device may be in the cell where it normally resides. The network equipment can configure the frequency point priority information simultaneously when configuring a frequency point, the frequency point priority value is 0-7, 0 represents the lowest priority, 7 represents the highest priority, for the diversity of the frequency point priority configuration, the standard rule specifies that each value of 0-7 can be associated with a decimal place value, the decimal place value range is {0.2,0.4,0.6,0.8}, and the whole digits and the decimal places are matched with 40 frequency point priority combinations in total. The frequency point priority can be configured through system information or special signaling, the frequency point priority of the special signaling is related to an effective duration, and the special frequency point priority always covers the public frequency point priority of the system information broadcast in the effective duration; after the effective duration is overtime, the terminal can only use the public frequency point priority.

In NPN, the terminal device may make cell selection based on cell selection reselection rules. For cell selection, if the cell selected by the terminal device meets the appropriate cell criteria, the terminal device may select to reside in the cell to complete cell selection. Aiming at cell reselection, if a reselected target cell meets a proper cell criterion and meets a reselection criterion condition defined based on absolute frequency point priority, the terminal equipment reselects to a cell which corresponds to the cell meeting the condition, and cell reselection is completed. The reselection criteria defined based on the absolute frequency point priority include the following three types:

a high priority frequency point reselection criterion;

the equal priority frequency point reselection criterion or the same frequency reselection criterion is also called as an R criterion; and

low priority frequency point reselection criteria.

The newly deployed cell may affect the neighbor relation of the neighbor cell, and the neighbor cell may not always obtain the latest neighbor relation information from the operation administration maintenance (Operation and Maintenance, OAM), where NR allows the terminal device to report the neighbor related information obtained by itself under the configuration of the network device, such as the global cell identity (Cell Global Identity, CGI) and/or the SFN and frame timing offset (SFN and Frame Timing Difference, SFTD).

As described above, it is generally necessary to rely on an operator to provide an NPN, but deploying the temporary NPN for a network deployment requirement of the temporary NPN, such as for temporary concert communication or temporary emergency communication, each time relying on the operator to provide the temporary NPN is not an efficient networking mode, based on which it seems more efficient for the operator to allow a third party to establish his own network by means of protocol authorization.

In order to solve the technical problems, the application provides a cell searching method, terminal equipment and network equipment, wherein the terminal equipment performs cell searching through cell searching indication information so as to achieve the purpose of quick searching, and therefore service continuity and electricity saving requirements of the terminal equipment are achieved.

Fig. 3 shows an interactive flow chart of a cell search method according to an embodiment of the present application, which may be interactively performed by a terminal device and a network device. Such as terminal device 110 shown in fig. 1 and network device 120 shown in fig. 1.

S310: and the network equipment sends the cell search indication information of the target frequency point to the terminal equipment.

S320: and the terminal equipment performs cell search according to the cell search indication information of the target frequency point.

Wherein, the target frequency point includes: and the service frequency point of the terminal equipment and/or at least one adjacent frequency associated with the service frequency point.

It should be understood that the service frequency point of the terminal device refers to the frequency point of the serving cell of the terminal device.

It should be understood that, in this application, the adjacent frequency is also described as an adjacent frequency point, which is not limited in this application.

For different situations of the target frequency point, the cell search indication information will be described in detail below:

optionally, when the target frequency point is a service frequency point of the terminal device, the cell search indication information is used to indicate that the service frequency point of the terminal device is a frequency point of highest priority search, a frequency point of lowest priority search or a frequency point which does not need to be searched.

Optionally, when the target frequency point is at least one adjacent frequency associated with the service frequency point, each adjacent frequency in the at least one adjacent frequency associated with the service frequency point is configured with respective cell search indication information, where the cell search indication information is used to indicate that the corresponding adjacent frequency associated with the service frequency point is a frequency point with the highest priority search, a frequency point with the lowest priority search or a frequency point without searching.

For example, table 2 shows a one-to-one correspondence between N adjacent frequencies associated with a service frequency point and N cell search indication information, where N is the number of adjacent frequencies associated with the service frequency point:

TABLE 2

Adjacent frequency 1	Cell search indication information 1
Adjacent frequency 2	Cell search indication information 2
……	……
Adjacent frequency N	Cell search indication information N

Optionally, under the condition that the target frequency point is at least one adjacent frequency associated with the service frequency point, all adjacent frequencies in the at least one adjacent frequency associated with the service frequency point are configured with a common cell search indication information, where the cell search indication information is used for indicating that the at least one adjacent frequency associated with the service frequency point is a frequency point with highest priority search, a frequency point with lowest priority search or a frequency point without searching.

For example, table 3 shows the correspondence between N adjacent frequencies associated with a service frequency point and 1 cell search indication information, where N is the number of adjacent frequencies associated with the service frequency point, and the 1 cell search indication information is common cell search indication information of the N adjacent frequencies:

TABLE 3 Table 3

Optionally, when the target frequency point is at least one adjacent frequency associated with the service frequency point, a part of adjacent frequencies in the at least one adjacent frequency associated with the service frequency point are configured with a common cell search indication information, and each of the other part of adjacent frequencies in the at least one adjacent frequency is configured with a respective cell search indication information, where the cell search indication information is used for indicating that the corresponding adjacent frequency associated with the service frequency point is a frequency point with the highest priority for searching, a frequency point with the lowest priority for searching, or a frequency point without searching.

For example, table 4 shows the correspondence between n+m adjacent frequencies associated with a service frequency point and n+1 cell search indication information, where n+m is the number of adjacent frequencies associated with the service frequency point:

TABLE 4 Table 4

As shown in table 4, adjacent frequencies 1 to N correspond to 1 cell search indication information, respectively, and adjacent frequencies n+1 to n+m correspond to 1 common cell search indication information, namely cell search indication information n+1.

Optionally, under the condition that the target frequency point is at least one adjacent frequency associated with the service frequency point and the service frequency point, the at least one adjacent frequency associated with the service frequency point is configured with a common cell search indication information, where the cell search indication information is used to indicate that the at least one adjacent frequency associated with the service frequency point and the service frequency point is a frequency point with highest priority search, a frequency point with lowest priority search or a frequency point without search.

For example, table 5 shows the correspondence between N adjacent frequencies associated with a service frequency point and 1 cell search indication information, where N is the number of adjacent frequencies associated with the service frequency point, and the 1 cell search indication information is common cell search indication information of the service frequency point and N adjacent frequencies associated with the service frequency point:

TABLE 5

Optionally, under the condition that the target frequency point is at least one adjacent frequency associated with the service frequency point and the service frequency point, a part of adjacent frequencies and the service frequency point in the at least one adjacent frequency associated with the service frequency point are configured with a common cell search indication information, and each adjacent frequency in the other part of adjacent frequencies in the at least one adjacent frequency associated with the service frequency point is configured with a respective cell search indication information, wherein the cell search indication information is used for indicating that the corresponding frequency point is a frequency point with highest priority for searching, a frequency point with lowest priority for searching or a frequency point without searching.

For example, table 6 shows the correspondence between n+m adjacent frequencies associated with a service frequency point and m+1 cell search indication information, where n+m is the number of adjacent frequencies associated with the service frequency point, the service frequency point corresponds to 1 common cell search indication information with adjacent frequencies 1 to N, and the adjacent frequencies n+1 to n+m respectively correspond to 1 cell search indication information:

TABLE 6

Optionally, under the condition that the target frequency point is at least one adjacent frequency associated with the service frequency point and the service frequency point, a part of adjacent frequencies and the service frequency point in the at least one adjacent frequency associated with the service frequency point are configured with a common cell search indication information, and another part of adjacent frequencies in the at least one adjacent frequency associated with the service frequency point are configured with another common cell search indication information, wherein the cell search indication information is used for indicating that the corresponding frequency point is a frequency point with highest priority search, a frequency point with lowest priority search or a frequency point without search.

For example, table 7 shows the correspondence between n+m adjacent frequencies associated with a service frequency point and 2 cell search indication information, where n+m is the number of adjacent frequencies associated with the service frequency point, the service frequency point corresponds to 1 common cell search indication information 1 with adjacent frequencies 1 to N, and the adjacent frequencies n+1 to n+m correspond to 1 common cell search indication information 2:

TABLE 7

It should be understood that the cell search indication information described above for different situations of the target frequency point is only an example of the present application and should not be construed as limiting the present application. For example: the application further comprises a technical scheme that the service frequency point and at least one adjacent frequency associated with the service frequency point respectively correspond to 1 cell search indication information. Or the service frequency point corresponds to 1 public cell search indication information 1 with adjacent frequencies 1 to N, the adjacent frequencies n+1 to n+M1 correspond to 1 public cell search indication information 2, and the adjacent frequencies n+M1+1 to n+M correspond to 1 public cell search indication information 3.

After the terminal device obtains the cell search indication information, if the cell search indication information indicates that the corresponding frequency point is the frequency point of the highest priority search, the terminal device searches the cell corresponding to the frequency point preferentially when performing the cell search; if the cell search indication information indicates that the corresponding frequency point is the frequency point with the lowest priority, the terminal equipment firstly searches the cells corresponding to other frequency points with high priority when performing cell search, and finally searches the cells corresponding to the frequency points; if the cell search indication information indicates that the corresponding frequency point is a frequency point which does not need to be searched, the terminal equipment ignores the cell corresponding to the frequency point when carrying out cell search.

In the present application, the terminal device may obtain information indicating cell search, and according to the information, may quickly search for a suitable cell, for example: the frequency point searched by the highest priority is searched preferentially, or the frequency point searched by the lowest priority is searched finally, or the frequency point which does not need to be searched is ignored, and the like, so that the service continuity and the electricity saving requirement of the terminal equipment are met.

Alternatively, the cell search indication information has two configuration modes, one is an explicit configuration mode and the other is an implicit configuration mode.

The following first describes an explicit configuration method of cell search indication information:

optionally, the cell search indication information occupies at least one bit, and the value of the at least one bit is used for indicating that the corresponding frequency point is the frequency point of the highest priority search, the frequency point of the lowest priority search or the frequency point which does not need to be searched.

Exemplary, for example: the cell search indication information occupies a bit, and when the bit is 1, the bit is used for indicating that the corresponding frequency point is the frequency point of the highest priority search, the frequency point of the lowest priority search or the frequency point which does not need to be searched. Or the cell search indication information occupies two bits, and when the two bits are 11, the two bits are used for indicating that the corresponding frequency point is the frequency point of the highest priority search, the frequency point of the lowest priority search or the frequency point which does not need to be searched.

The following describes an implicit configuration method of cell search indication information:

optionally, the cell search indication information is a feature parameter, and whether the terminal device configures or acquires the feature parameter to indicate that the corresponding frequency point is a frequency point of highest priority search, a frequency point of lowest priority search or a frequency point which does not need to be searched. For example: the terminal device is configured or obtains the characteristic parameters, and the characteristic parameters indicate that the corresponding frequency point is the frequency point searched by the highest priority, the frequency point searched by the lowest priority or the frequency point not required to be searched.

Optionally, the characteristic parameter includes at least one of:

characteristic parameter 1: PLMN or SNPN list configuration information or access control related network identification list configuration information or temporary network identification list configuration information.

Characteristic parameter 2: indication information whether the terminal device is allowed to authenticate through the service network.

Characteristic parameter 3: group identification information allowing the terminal device to authenticate through the service network.

Characteristic parameter 4: and whether the terminal equipment is allowed to initiate indication information of a network authentication request in the service network under the condition that the maintained SNPN or PLMN network identification used for the service network authentication is not matched with any SNPN or PLMN network identification broadcasted by the cell system information.

Characteristic parameter 5: whether the terminal equipment is allowed to access through the service network and obtain the indication information of the subscription information.

Characteristic parameters 6: and allowing the terminal equipment to access through the service network and acquire the group identification information of the subscription information.

Characteristic parameters 7: indication information of whether the PLMN, SNPN, access control related network identity or temporary network identity allows emergency communication.

It should be understood that the above-mentioned feature parameters are also described as feature parameter information, which is not limited in this application.

It should be appreciated that the access control related network identity is similar, i.e. has the same actual meaning, as the PLMN ID or the SNPN ID, but the length of the access control related network identity may be different from the PLMN ID or the SNPN ID. Similarly, the temporary network identity is similar to, i.e. in the same sense as, the PLMN ID or SNPN ID, except that it is a temporary identity of the PLMN or SNPN.

It should be understood that the service network is also described as a current service network, which may be a third party network, i.e. a NPN network, to which the terminal device is currently accessing.

Optionally, any item in the feature parameter except PLMN list configuration information or SNPN list configuration information or access control related network identification list configuration information or temporary network identification list configuration information includes at least one of the following configuration granularities: PLMN or SNPN granularity, CAG granularity, cell granularity, access control related network identity granularity, temporary network identity granularity. I.e. the configuration granularity of the above-mentioned characteristic parameters 2-7 may be at least one of PLMN or SNPN granularity, CAG granularity, cell granularity, access control related network identification granularity, temporary network identification granularity.

It should be noted that, when the configuration granularity of the feature parameters 2 to 7 is the cell granularity, they are parallel parameters with the feature parameter 1, as shown in table 8:

Table 8: cell granularity configuration format illustration

Characteristic parameter 1
Characteristic parameter 2
Characteristic parameter 3
Characteristic parameter 4
Characteristic parameter 5
Characteristic parameter 6
Characteristic parameter 7

When the configuration granularity of the feature parameters 2-7 is PLMN or SNPN granularity, they are the next-level association configuration of feature parameter 1, as shown in table 9:

table 9: PLMN/SNPN/access control related network identification/temporary network identification granularity configuration format illustration

When the configuration granularity of the feature parameters 2 to 7 is the CAG granularity, they are the next-stage association configuration of the CAG information associated with the feature parameter 1, as shown in Table 10:

table 10: CAG granularity configuration format schematic

Optionally, the cell search indication information is carried by a cell system broadcast information, or the cell search indication information is carried by a dedicated signaling.

It should be noted that, the cell search indication information, whether implicitly configured or explicitly configured, may be carried by a cell system broadcast information or a dedicated signaling.

Optionally, each piece of cell search indication information is associated with one piece of cell search auxiliary information, where the cell search auxiliary information is used for assisting the cell search indication information to perform cell search.

It should be understood that, for at least one adjacent frequency associated with the service frequency point and/or the service frequency point, after the terminal device obtains the cell search auxiliary information, in combination with the cell search indication information, the terminal device always preferentially searches for a cell meeting the cell search auxiliary information configuration, or searches for a cell meeting the cell search auxiliary information configuration after other cell searches not meeting the cell search auxiliary information configuration, or does not always search for a cell meeting the cell search auxiliary information configuration.

It should be understood that the cell search indication information corresponds to the cell search auxiliary information one by one, for example: when the service frequency point and at least one adjacent frequency associated with the service frequency point correspond to one piece of common cell search indication information, then the common cell search indication information corresponds to one piece of cell search auxiliary information. When the service frequency point and at least one adjacent frequency associated with the service frequency point respectively correspond to respective cell search indication information, the cell search indication information respectively corresponds to respective cell search auxiliary information.

Optionally, in the case that the cell search indication information is carried by cell system broadcast information, the cell search auxiliary information includes at least one of the following: PCI list (list) configuration, SCS list configuration, bandwidth (band) list configuration, synchronized measurement time configuration (Synchronization Measurement Timing Configuration, SMTC) configuration.

Optionally, in the case that the cell search indication information is carried through dedicated signaling, the cell search assistance information includes at least one of the following: PCI list configuration, SCS list configuration, bandwidth list configuration, SMTC configuration, and effective duration timer information.

Optionally, in the case that the effective duration timer does not timeout, the cell search indication information is not invalid; otherwise, the cell search indication information is invalid.

It should be understood that the one or more configurations included in the cell search assistance information may be in a parallel relationship or have a superior-inferior relationship, which is not limited in this application.

Illustratively, the PCI list configuration and SCS list configuration shown in Table 11 are in a side-by-side relationship.

TABLE 11

Illustratively, the bandwidth list configuration and SCS list configuration shown in table 12 are in a top-bottom relationship.

Table 12

In summary, in the present application, the configuration manner of the cell search indication information may be an implicit or explicit configuration manner, so that the cell search indication information may be flexibly configured. In this application, the terminal device may also acquire the cell search auxiliary information, and in combination with the cell search indication information, the terminal device always preferentially searches for a cell satisfying the cell search auxiliary information configuration, or searches for a cell satisfying the cell search auxiliary information configuration after other cell searches not satisfying the cell search auxiliary information configuration, or does not always search for a cell satisfying the cell search auxiliary information configuration. Therefore, the cell searching efficiency can be further improved, and further the service continuity and the power saving requirement of the terminal equipment are met.

Fig. 4 shows a schematic block diagram of a terminal device 400 according to an embodiment of the present application. As shown in fig. 4, the terminal device 400 includes: the processing unit 410 is configured to perform cell search according to the cell search indication information of the target frequency point. Wherein, the target frequency point includes: and the service frequency point of the terminal equipment and/or at least one adjacent frequency associated with the service frequency point.

Optionally, the cell search indication information is a feature parameter, and whether the terminal device configures or acquires the feature parameter to indicate that the corresponding frequency point is a frequency point of highest priority search, a frequency point of lowest priority search or a frequency point which does not need to be searched.

Optionally, the characteristic parameter includes at least one of:

PLMN or SNPN list configuration information or access control related network identification list configuration information or temporary network identification list configuration information.

Indication information whether the terminal device is allowed to authenticate through the service network.

Group identification information allowing the terminal device to authenticate through the service network.

And whether the terminal equipment is allowed to initiate indication information of a network authentication request in the service network under the condition that the maintained SNPN or PLMN network identification used for the service network authentication is not matched with any SNPN or PLMN network identification broadcasted by the cell system information.

Whether the terminal equipment is allowed to access through the service network and obtain the indication information of the subscription information.

And allowing the terminal equipment to access through the service network and acquire the group identification information of the subscription information.

Indication information of whether the PLMN, SNPN, access control related network identity or temporary network identity allows emergency communication.

Optionally, any item in the feature parameter except PLMN list configuration information or SNPN list configuration information or access control related network identification list configuration information or temporary network identification list configuration information includes at least one of the following configuration granularities: PLMN or SNPN granularity, CAG granularity, cell granularity, access control related network identity granularity, temporary network identity granularity.

Optionally, the cell search indication information is associated with cell search auxiliary information, where the cell search auxiliary information is used to assist the cell search indication information in performing cell search.

Optionally, in the case that the cell search indication information is carried by cell system broadcast information, the cell search auxiliary information includes at least one of the following: PCI list configuration, SCS list configuration, bandwidth list configuration, SMTC configuration.

Optionally, in the case that the effective duration timer does not timeout, the cell search indication information is not invalid. Otherwise, the cell search indication information is invalid.

Alternatively, in some embodiments, the processing unit may be one or more processors.

It should be understood that the terminal device 400 according to the embodiment of the present application may correspond to the terminal device in the embodiment of the corresponding method of fig. 3, and the foregoing and other operations and/or functions of each unit in the terminal device 400 are respectively for implementing the corresponding flow of the terminal device in the embodiment of the corresponding method of fig. 3, which is not described herein for brevity.

Fig. 5 shows a schematic block diagram of a network device 500 according to an embodiment of the present application. As shown in fig. 5, the network device 500 includes: a communication unit 510, configured to send cell search indication information of the target frequency point to the terminal device. The cell search indication information is used for the terminal equipment to search cells, and the target frequency point comprises: the frequency point of the service cell of the terminal equipment and/or the frequency point of at least one adjacent cell associated with the service frequency point.

Optionally, the cell search indication information occupies at least one bit, and the value of the at least one bit is used to indicate that the corresponding frequency point is the frequency point of the highest priority search, the frequency point of the next highest priority search or the frequency point which does not need to be searched.

Optionally, the cell search indication information is a feature parameter, and the terminal device configures or acquires the feature parameter to indicate whether the frequency point of the corresponding cell is the frequency point of the highest priority search, the frequency point of the lowest priority search or the frequency point which does not need to be searched.

Optionally, the characteristic parameter includes at least one of:

Optionally, in the case that the cell search indication information is carried by cell system broadcast information, the cell search auxiliary information includes at least one of the following:

PCI list configuration, SCS list configuration, bandwidth list configuration, SMTC configuration.

Alternatively, in some embodiments, the communication unit may be a communication interface or transceiver, or an input/output interface of a communication chip or a system on a chip.

It should be understood that the network device 500 according to the embodiment of the present application may correspond to the network device in the embodiment of the corresponding method of fig. 3, and the foregoing and other operations and/or functions of each unit in the network device 500 are respectively for implementing the corresponding flow of the network device in the embodiment of the corresponding method of fig. 3, which is not described herein for brevity.

Fig. 6 is a schematic structural diagram of a communication device 600 provided in an embodiment of the present application. The communication device 600 shown in fig. 6 comprises a processor 610, from which the processor 610 may call and run a computer program to implement the method in the embodiments of the present application.

Optionally, as shown in fig. 6, the communication device 600 may also include a memory 620. Wherein the processor 610 may call and run a computer program from the memory 620 to implement the methods in embodiments of the present application.

The memory 620 may be a separate device from the processor 610 or may be integrated into the processor 610.

Optionally, as shown in fig. 6, the communication device 600 may further include a transceiver 630, and the processor 610 may control the transceiver 630 to communicate with other devices, and in particular, may send information or data to other devices, or receive information or data sent by other devices.

The transceiver 630 may include a transmitter and a receiver, among others. Transceiver 630 may further include antennas, the number of which may be one or more.

Optionally, the communication device 600 may be specifically a network device in the embodiment of the present application, and the communication device 600 may implement a corresponding flow implemented by the network device in each method in the embodiment of the present application, which is not described herein for brevity.

Optionally, the communication device 600 may be specifically a terminal device in the embodiment of the present application, and the communication device 600 may implement a corresponding flow implemented by the terminal device in each method in the embodiment of the present application, which is not described herein for brevity.

Fig. 7 is a schematic structural view of an apparatus of an embodiment of the present application. The apparatus 700 shown in fig. 7 includes a processor 710, and the processor 710 may call and run a computer program from a memory to implement the methods in the embodiments of the present application.

Optionally, as shown in fig. 7, the apparatus 700 may further comprise a memory 720. Wherein the processor 710 may call and run a computer program from the memory 720 to implement the methods in embodiments of the present application.

Wherein the memory 720 may be a separate device from the processor 710 or may be integrated into the processor 710.

Optionally, the apparatus 700 may further comprise an input interface 730. The processor 710 may control the input interface 730 to communicate with other devices or chips, and in particular, may obtain information or data sent by other devices or chips.

Optionally, the apparatus 700 may further comprise an output interface 740. The processor 710 may control the output interface 740 to communicate with other devices or chips, and in particular, may output information or data to other devices or chips.

Optionally, the apparatus may be applied to a network device in the embodiments of the present application, and the apparatus may implement a corresponding flow implemented by the network device in each method in the embodiments of the present application, which is not described herein for brevity.

Optionally, the apparatus may be applied to a terminal device in the embodiment of the present application, and the apparatus may implement a corresponding flow implemented by the terminal device in each method in the embodiment of the present application, which is not described herein for brevity.

Alternatively, the device mentioned in the embodiments of the present application may also be a chip. For example, a system-on-chip or a system-on-chip, etc.

Fig. 8 is a schematic block diagram of a communication system 800 provided in an embodiment of the present application. As shown in fig. 8, the communication system 800 includes a terminal device 810 and a network device 820.

The terminal device 810 may be used to implement the corresponding functions implemented by the terminal device in the above method, and the network device 820 may be used to implement the corresponding functions implemented by the network device or the base station in the above method, which are not described herein for brevity.

It should be appreciated that the processor of an embodiment of the present application may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method embodiments may be implemented by integrated logic circuits of hardware in a processor or instructions in software form. The processor may be a general purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), an off-the-shelf programmable gate array (Field Programmable Gate Array, FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware components. The disclosed methods, steps, and logic blocks in the embodiments of the present application may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of a method disclosed in connection with the embodiments of the present application may be embodied directly in hardware, in a decoded processor, or in a combination of hardware and software modules in a decoded processor. The software modules may be located in a random access memory, flash memory, read only memory, programmable read only memory, or electrically erasable programmable memory, registers, etc. as well known in the art. The storage medium is located in a memory, and the processor reads the information in the memory and, in combination with its hardware, performs the steps of the above method.

It will be appreciated that the memory in embodiments of the present application may be either volatile memory or nonvolatile memory, or may include both volatile and nonvolatile memory. The nonvolatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable EPROM (EEPROM), or a flash Memory. The volatile memory may be random access memory (Random Access Memory, RAM) which acts as an external cache. By way of example, and not limitation, many forms of RAM are available, such as Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double Data Rate SDRAM (Double Data Rate SDRAM), enhanced SDRAM (ESDRAM), synchronous DRAM (SLDRAM), and Direct RAM (DR RAM). It should be noted that the memory of the systems and methods described herein is intended to comprise, without being limited to, these and any other suitable types of memory.

It should be understood that the above memory is exemplary but not limiting, and for example, the memory in the embodiments of the present application may be Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double data rate SDRAM (DDR SDRAM), enhanced SDRAM (ESDRAM), synchronous Link DRAM (SLDRAM), direct RAM (DR RAM), and the like. That is, the memory in embodiments of the present application is intended to comprise, without being limited to, these and any other suitable types of memory.

Embodiments of the present application also provide a computer-readable storage medium for storing a computer program.

Optionally, the computer readable storage medium may be applied to a network device or a base station in the embodiments of the present application, and the computer program causes a computer to execute a corresponding flow implemented by the network device or the base station in each method of the embodiments of the present application, which is not described herein for brevity.

Optionally, the computer readable storage medium may be applied to a mobile terminal/terminal device in the embodiments of the present application, and the computer program causes a computer to execute a corresponding procedure implemented by the mobile terminal/terminal device in each method of the embodiments of the present application, which is not described herein for brevity.

Embodiments of the present application also provide a computer program product comprising computer program instructions.

Optionally, the computer program product may be applied to a network device or a base station in the embodiments of the present application, and the computer program instructions cause a computer to execute corresponding flows implemented by the network device or the base station in the methods in the embodiments of the present application, which are not described herein for brevity.

Optionally, the computer program product may be applied to a mobile terminal/terminal device in the embodiments of the present application, and the computer program instructions cause a computer to execute corresponding processes implemented by the mobile terminal/terminal device in the methods in the embodiments of the present application, which are not described herein for brevity.

The embodiment of the application also provides a computer program.

Optionally, the computer program may be applied to a network device or a base station in the embodiments of the present application, and when the computer program runs on a computer, the computer is caused to execute a corresponding flow implemented by the network device or the base station in each method in the embodiments of the present application, which is not described herein for brevity.

Optionally, the computer program may be applied to a mobile terminal/terminal device in the embodiments of the present application, where the computer program when executed on a computer causes the computer to execute corresponding processes implemented by the mobile terminal/terminal device in the methods in the embodiments of the present application, and for brevity, will not be described herein.

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 application.

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 in this application, 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, e.g., the division of the units is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form.

The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In addition, each functional unit in each embodiment of the present application may be integrated in one processing unit, or each unit may exist alone physically, or two or more units 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. For such understanding, the technical solutions of the present application may be embodied in essence or in a part contributing to the prior art or in the form of a software product stored in a storage medium, including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the methods described in the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), a magnetic disk, or an optical disk, or other various media capable of storing program codes.

The foregoing is merely specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the present application, and the changes and substitutions are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

A cell search method, comprising:

cell searching is carried out according to the cell searching indication information of the target frequency point;

wherein, the target frequency point includes: and the service frequency point of the terminal equipment and/or at least one adjacent frequency associated with the service frequency point.
The method according to claim 1, wherein, in the case that the target frequency point is a service frequency point of the terminal device, the cell search indication information is used to indicate that the service frequency point of the terminal device is a frequency point of a highest priority search, a frequency point of a lowest priority search, or a frequency point that does not need to be searched.
The method according to claim 1, wherein, in the case that the target frequency point is at least one adjacent frequency associated with the service frequency point, each adjacent frequency in the at least one adjacent frequency associated with the service frequency point is configured with respective cell search indication information, where the cell search indication information is used to indicate that the corresponding adjacent frequency associated with the service frequency point is a frequency point of highest priority search, a frequency point of lowest priority search, or a frequency point that does not need to be searched.
The method according to claim 1, wherein, in the case that the target frequency point is at least one adjacent frequency associated with the service frequency point, all adjacent frequencies in the at least one adjacent frequency associated with the service frequency point are configured with one common cell search indication information, where the cell search indication information is used to indicate that the at least one adjacent frequency associated with the service frequency point is a frequency point of a highest priority search, a frequency point of a lowest priority search, or a frequency point that does not need to be searched.
The method according to claim 1, wherein, in the case that the target frequency point is at least one adjacent frequency associated with the service frequency point, a part of adjacent frequencies in the at least one adjacent frequency associated with the service frequency point is configured with one common cell search indication information, and each of another part of adjacent frequencies in the at least one adjacent frequency is configured with the respective cell search indication information, where the cell search indication information is used to indicate that the corresponding adjacent frequency associated with the service frequency point is a frequency point of highest priority search, a frequency point of lowest priority search, or a frequency point that does not need to be searched.
The method according to claim 1, wherein, in the case that the target frequency point is at least one adjacent frequency related to the service frequency point and the service frequency point, the at least one adjacent frequency related to the service frequency point and the service frequency point is configured with one common cell search indication information, where the cell search indication information is used to indicate that the at least one adjacent frequency related to the service frequency point and the service frequency point is a frequency point of a highest priority search, a frequency point of a lowest priority search, or a frequency point that does not need to be searched.
The method according to claim 1, wherein, in the case that the target frequency point is at least one of the serving frequency point and the adjacent frequency associated with the serving frequency point, a part of the at least one adjacent frequency associated with the serving frequency point and the serving frequency point are configured with one common cell search indication information, and each of the other part of the at least one adjacent frequency associated with the serving frequency point is configured with the respective cell search indication information, where the cell search indication information is used to indicate that the corresponding frequency point is a frequency point of highest priority search, a frequency point of lowest priority search, or a frequency point that does not need to be searched.
The method according to claim 1, wherein, in the case that the target frequency point is at least one of the serving frequency point and the adjacent frequency associated with the serving frequency point, a part of the adjacent frequency and the serving frequency point in the at least one of the adjacent frequency associated with the serving frequency point are configured with one common cell search indication information, and another part of the adjacent frequency in the at least one of the adjacent frequency associated with the serving frequency point is configured with another common cell search indication information, where the cell search indication information is used to indicate that the corresponding frequency point is a frequency point of highest priority search, a frequency point of lowest priority search, or a frequency point that does not need to be searched.
The method according to any one of claims 1-8, wherein the cell search indication information occupies at least one bit, and a value of the at least one bit is used to indicate that the corresponding frequency point is a frequency point of a highest priority search, a frequency point of a lowest priority search, or a frequency point that does not need to be searched.
The method according to any one of claims 1 to 8, wherein the cell search indication information is a characteristic parameter, and the terminal device configures or acquires the characteristic parameter to indicate that the corresponding frequency point is a frequency point of a highest priority search, a frequency point of a lowest priority search, or a frequency point that does not need to be searched.
The method of claim 10, wherein the characteristic parameters include at least one of:

public land mobile network PLMN or independent non-public network SNPN list configuration information or access control related network identification list configuration information or temporary network identification list configuration information;

indication information whether the terminal device is allowed to authenticate through the service network;

group identification information allowing the terminal device to authenticate through the service network;

whether the terminal equipment is allowed to initiate indication information of a network authentication request in a service network under the condition that the maintained SNPN or PLMN network identifier used for the service network authentication is not matched with any SNPN or PLMN network identifier broadcasted by cell system information;

Whether the terminal equipment is allowed to access through a service network and obtain the indication information of subscription information;

allowing the terminal equipment to access through a service network and acquiring group identification information of subscription information;

indication information of whether the PLMN, SNPN, access control related network identity or temporary network identity allows emergency communication.
The method according to claim 11, wherein any one of the characteristic parameters other than PLMN list configuration information or SNPN list configuration information or access control related network identity list configuration information or temporary network identity list configuration information comprises at least one of the following configuration granularities:

PLMN or SNPN granularity, CAG granularity, cell granularity, access control related network identity granularity, temporary network identity granularity.
The method according to any of claims 1-12, wherein the cell search indication information is carried over a cell system broadcast information or over dedicated signaling.
The method of claim 13, wherein the cell search indication information is associated with a cell search assistance information, wherein the cell search assistance information is used to assist the cell search indication information in performing a cell search.
The method according to claim 14, wherein in case the cell search indication information is carried over a cell system broadcast information, the cell search assistance information comprises at least one of:

the physical cell identifies PCI list configuration, subcarrier spacing SCS list configuration, bandwidth list configuration, synchronization measurement time configuration SMTC configuration.
The method according to claim 14, wherein in case the cell search indication information is carried over dedicated signaling, the cell search assistance information comprises at least one of:

PCI list configuration, SCS list configuration, bandwidth list configuration, SMTC configuration, and effective duration timer information.
The method of claim 16, wherein the cell search indication information is not expired if the validity period timer has not expired; otherwise, the cell search indication information is invalid.
A cell search method, comprising:

transmitting cell search indication information of a target frequency point to terminal equipment;

the cell search indication information is used for the terminal equipment to perform cell search, and the target frequency point comprises: and the frequency point of the service cell of the terminal equipment and/or the frequency point of at least one adjacent cell associated with the service frequency point.
The method according to claim 18, wherein in the case that the target frequency point is a service frequency point of the terminal device, the cell search indication information is used to indicate that the service frequency point of the terminal device is a frequency point of a highest priority search, a frequency point of a lowest priority search, or a frequency point that does not need to be searched.
The method according to claim 18, wherein, in the case that the target frequency point is at least one adjacent frequency associated with the service frequency point, each adjacent frequency of the at least one adjacent frequency associated with the service frequency point is configured with respective cell search indication information, where the cell search indication information is used to indicate that the corresponding adjacent frequency associated with the service frequency point is a frequency point of highest priority search, a frequency point of lowest priority search, or a frequency point that does not need to be searched.
The method according to claim 18, wherein, in the case that the target frequency point is at least one adjacent frequency associated with the service frequency point, all adjacent frequencies in the at least one adjacent frequency associated with the service frequency point are configured with one common cell search indication information, where the cell search indication information is used to indicate that the at least one adjacent frequency associated with the service frequency point is a frequency point of a highest priority search, a frequency point of a lowest priority search, or a frequency point that does not need to be searched.
The method of claim 18, wherein, in the case where the target frequency point is at least one neighbor frequency associated with the service frequency point, a part of the at least one neighbor frequency associated with the service frequency point is configured with one common cell search indication information, and each of another part of the at least one neighbor frequency is configured with the respective cell search indication information, where the cell search indication information is used to indicate that the corresponding neighbor frequency associated with the service frequency point is a frequency point of a highest priority search, a frequency point of a lowest priority search, or a frequency point that does not need to be searched.
The method according to claim 18, wherein, in the case that the target frequency point is at least one adjacent frequency related to the service frequency point and the service frequency point, the at least one adjacent frequency related to the service frequency point and the service frequency point is configured with one common cell search indication information, where the cell search indication information is used to indicate that the at least one adjacent frequency related to the service frequency point and the service frequency point is a frequency point of a highest priority search, a frequency point of a lowest priority search, or a frequency point that does not need to be searched.
The method according to claim 22, wherein, in the case that the target frequency point is at least one of the serving frequency point and the serving frequency point associated with the serving frequency point, a part of the at least one of the serving frequency point associated with the serving frequency point and the serving frequency point are configured with one common cell search indication information, and each of the other part of the at least one of the serving frequency point associated with the neighboring frequency point is configured with the respective cell search indication information, where the cell search indication information is used to indicate that the corresponding frequency point is a frequency point of a highest priority search, a frequency point of a lowest priority search, or a frequency point that does not need to be searched.
The method according to claim 22, wherein, in the case that the target frequency point is at least one of the serving frequency point and the adjacent frequency associated with the serving frequency point, a part of the at least one of the adjacent frequency associated with the serving frequency point and the serving frequency point are configured with one common cell search indication information, and another part of the at least one of the adjacent frequency associated with the serving frequency point is configured with another common cell search indication information, where the cell search indication information is used to indicate that the corresponding frequency point is a frequency point of a highest priority search, a frequency point of a lowest priority search, or a frequency point that does not need to be searched.
The method according to any one of claims 18-25, wherein the cell search indication information occupies at least one bit, and a value of the at least one bit is used to indicate that the corresponding frequency point is a frequency point of a highest priority search, a frequency point of a next highest priority search, or a frequency point that does not need to be searched.
The method according to any one of claims 18-25, wherein the cell search indication information is a characteristic parameter, and the terminal device configures or acquires whether the characteristic parameter is used to indicate that a frequency point of a corresponding cell is a frequency point of a highest priority search, a frequency point of a lowest priority search, or a frequency point that does not need to be searched.
The method of claim 27, wherein the characteristic parameters include at least one of:

PLMN or SNPN list configuration information or access control related network identification list configuration information or temporary network identification list configuration information;

indication information whether the terminal device is allowed to authenticate through the service network;

group identification information allowing the terminal device to authenticate through the service network;

whether the terminal equipment is allowed to initiate indication information of a network authentication request in a service network under the condition that the maintained SNPN or PLMN network identifier used for the service network authentication is not matched with any SNPN or PLMN network identifier broadcasted by cell system information;

Whether the terminal equipment is allowed to access through a service network and obtain the indication information of subscription information;

allowing the terminal equipment to access through a service network and acquiring group identification information of subscription information;

indication information of whether the PLMN, SNPN, access control related network identity or temporary network identity allows emergency communication.
The method according to claim 28, wherein any one of the characteristic parameters other than PLMN list configuration information or SNPN list configuration information or access control related network identity list configuration information or temporary network identity list configuration information comprises at least one of the following configuration granularities:

PLMN or SNPN granularity, CAG granularity, cell granularity, access control related network identity granularity, temporary network identity granularity.
The method according to any of claims 18-29, wherein the cell search indication information is carried over a cell system broadcast information or over dedicated signaling.
The method of claim 30, wherein the cell search indication information is associated with a cell search assistance information, wherein the cell search assistance information is used to assist the cell search indication information in performing a cell search.
The method according to claim 31, wherein in case the cell search indication information is carried over a cell system broadcast information, the cell search assistance information comprises at least one of:

PCI list configuration, SCS list configuration, bandwidth list configuration, SMTC configuration.
The method according to claim 31, wherein in case the cell search indication information is carried over dedicated signaling, the cell search assistance information comprises at least one of:

PCI list configuration, SCS list configuration, bandwidth list configuration, SMTC configuration, and effective duration timer information.
The method of claim 33, wherein the cell search indication information is not expired if the validity period timer has not expired; otherwise, the cell search indication information is invalid.
A terminal device, comprising:

the processing unit is used for carrying out cell search according to the cell search indication information of the target frequency point;

wherein, the target frequency point includes: and the service frequency point of the terminal equipment and/or at least one adjacent frequency associated with the service frequency point.
The terminal device of claim 34, wherein, in the case that the target frequency point is a service frequency point of the terminal device, the cell search indication information is used to indicate that the service frequency point of the terminal device is a frequency point of a highest priority search, a frequency point of a lowest priority search, or a frequency point that does not need to be searched.
The terminal device of claim 34, wherein, in a case where the target frequency point is at least one adjacent frequency associated with the service frequency point, each adjacent frequency in the at least one adjacent frequency associated with the service frequency point is configured with respective cell search indication information, where the cell search indication information is used to indicate that a corresponding adjacent frequency associated with the service frequency point is a frequency point of a highest priority search, a frequency point of a lowest priority search, or a frequency point that does not need to be searched.
The terminal device of claim 34, wherein, in a case where the target frequency point is at least one adjacent frequency associated with the service frequency point, all adjacent frequencies in the at least one adjacent frequency associated with the service frequency point are configured with one common cell search indication information, where the cell search indication information is used to indicate that the at least one adjacent frequency associated with the service frequency point is a frequency point of a highest priority search, a frequency point of a lowest priority search, or a frequency point that does not need to be searched.
The terminal device of claim 34, wherein, in a case where the target frequency point is at least one neighbor frequency associated with the service frequency point, a part of the at least one neighbor frequency associated with the service frequency point is configured with one common cell search indication information, and each of another part of the at least one neighbor frequency is configured with the respective cell search indication information, where the cell search indication information is used to indicate that a corresponding neighbor frequency associated with the service frequency point is a frequency point of a highest priority search, a frequency point of a lowest priority search, or a frequency point that does not need to be searched.
The terminal device of claim 34, wherein, in a case where the target frequency point is at least one neighbor frequency associated with the service frequency point and the service frequency point, the at least one neighbor frequency associated with the service frequency point is configured with one common cell search indication information, where the cell search indication information is used to indicate that the at least one neighbor frequency associated with the service frequency point and the service frequency point is a frequency point of a highest priority search, a frequency point of a lowest priority search, or a frequency point that does not need to be searched.
The terminal device of claim 34, wherein, in the case that the target frequency point is the service frequency point and at least one adjacent frequency associated with the service frequency point, a part of the at least one adjacent frequency associated with the service frequency point and the service frequency point are configured with one common cell search indication information, and each of the other part of the at least one adjacent frequency associated with the service frequency point is configured with the respective cell search indication information, where the cell search indication information is used to indicate that the corresponding frequency point is a frequency point of a highest priority search, a frequency point of a lowest priority search, or a frequency point that does not need to be searched.
The terminal device of claim 34, wherein, in the case that the target frequency point is at least one of the serving frequency point and the adjacent frequency associated with the serving frequency point, a part of the adjacent frequency and the serving frequency point in the at least one of the adjacent frequency associated with the serving frequency point are configured with one common cell search indication information, and another part of the adjacent frequency in the at least one of the adjacent frequency associated with the serving frequency point is configured with another common cell search indication information, where the cell search indication information is used to indicate that the corresponding frequency point is a frequency point of highest priority search, a frequency point of lowest priority search, or a frequency point that does not need to be searched.
The terminal device according to any one of claims 35-42, wherein the cell search indication information occupies at least one bit, and a value of the at least one bit is used to indicate that the corresponding frequency point is a frequency point of a highest priority search, a frequency point of a lowest priority search, or a frequency point that does not need to be searched.
The terminal device according to any one of claims 35-42, wherein the cell search indication information is a characteristic parameter, and whether the terminal device configures or acquires the characteristic parameter to indicate that the corresponding frequency point is a frequency point of a highest priority search, a frequency point of a lowest priority search, or a frequency point that does not need to be searched.
The terminal device of claim 44, wherein the characteristic parameters include at least one of:

PLMN or SNPN list configuration information or access control related network identification list configuration information or temporary network identification list configuration information;

indication information whether the terminal device is allowed to authenticate through the service network;

group identification information allowing the terminal device to authenticate through the service network;

whether the terminal equipment is allowed to initiate indication information of a network authentication request in a service network under the condition that the maintained SNPN or PLMN network identifier used for the service network authentication is not matched with any SNPN or PLMN network identifier broadcasted by cell system information;

whether the terminal equipment is allowed to access through a service network and obtain the indication information of subscription information;

allowing the terminal equipment to access through a service network and acquiring group identification information of subscription information;

indication information of whether the PLMN, SNPN, access control related network identity or temporary network identity allows emergency communication.
The terminal device of claim 45, wherein any one of the characteristic parameters other than PLMN list configuration information or SNPN list configuration information or access control related network identification list configuration information or temporary network identification list configuration information comprises at least one of the following configuration granularities:

PLMN or SNPN granularity, CAG granularity, cell granularity, access control related network identity granularity, temporary network identity granularity.
The terminal device according to any of the claims 35-46, characterized in that the cell search indication information is carried over a cell system broadcast information or over dedicated signaling.
The terminal device of claim 47, wherein the cell search indication information is associated with cell search assistance information, wherein the cell search assistance information is used to assist the cell search indication information in performing a cell search.
The terminal device of claim 48, wherein in case the cell search indication information is carried over a cell system broadcast information, the cell search assistance information comprises at least one of:

PCI list configuration, SCS list configuration, bandwidth list configuration, SMTC configuration.
The terminal device of claim 48, wherein in case the cell search indication information is carried through dedicated signaling, the cell search assistance information comprises at least one of:

PCI list configuration, SCS list configuration, bandwidth list configuration, SMTC configuration, and effective duration timer information.
The terminal device of claim 50, wherein the cell search indication information is not expired if the validity duration timer has not expired; otherwise, the cell search indication information is invalid.
A network device, comprising:

a communication unit, configured to send cell search indication information of a target frequency point to a terminal device;

the cell search indication information is used for the terminal equipment to perform cell search, and the target frequency point comprises: and the frequency point of the service cell of the terminal equipment and/or the frequency point of at least one adjacent cell associated with the service frequency point.
The network device of claim 52, wherein the cell search indication information is used to indicate that the serving frequency point of the terminal device is a highest priority searched frequency point, a lowest priority searched frequency point, or a frequency point that does not need to be searched in the case where the target frequency point is the serving frequency point of the terminal device.
The network device of claim 52, wherein, if the target frequency point is at least one neighbor frequency associated with the serving frequency point, each neighbor frequency of the at least one neighbor frequency associated with the serving frequency point is configured with respective cell search indication information, where the cell search indication information is used to indicate that the corresponding neighbor frequency associated with the serving frequency point is a frequency point of a highest priority search, a frequency point of a lowest priority search, or a frequency point that does not need to be searched.
The network device of claim 52, wherein, if the target frequency point is at least one neighbor frequency associated with the serving frequency point, all neighbors in the at least one neighbor frequency associated with the serving frequency point are configured with one common cell search indication information, where the cell search indication information is used to indicate that the at least one neighbor frequency associated with the serving frequency point is a frequency point of a highest priority search, a frequency point of a lowest priority search, or a frequency point that does not need to be searched.
The network device of claim 52, wherein, in the case where the target frequency point is at least one neighbor frequency associated with the serving frequency point, a portion of the at least one neighbor frequency associated with the serving frequency point is configured with one common cell search indication information, and each of another portion of the at least one neighbor frequency is configured with a respective cell search indication information, the cell search indication information being used to indicate that a corresponding neighbor frequency associated with the serving frequency point is a frequency point of a highest priority search, a frequency point of a lowest priority search, or a frequency point that does not need to be searched.
The network device of claim 52, wherein, if the target frequency point is at least one neighbor frequency associated with the serving frequency point and the serving frequency point, the at least one neighbor frequency associated with the serving frequency point is configured with one common cell search indication information, where the cell search indication information is used to indicate that the at least one neighbor frequency associated with the serving frequency point and the serving frequency point is a frequency point of a highest priority search, a frequency point of a lowest priority search, or a frequency point that does not need to be searched.
The network device of claim 52, wherein, in the case where the target frequency point is the service frequency point and at least one of the service frequency points associated with the service frequency point, a portion of the at least one of the service frequency points associated with the service frequency point and each of the other portion of the at least one of the service frequency points associated with the service frequency point are configured with one common cell search indication information, and wherein the cell search indication information is used to indicate that the corresponding frequency point is a frequency point of a highest priority search, a frequency point of a lowest priority search, or a frequency point that does not need to be searched.
The network device of claim 52, wherein, in the case where the target frequency point is the service frequency point and at least one neighbor frequency associated with the service frequency point, a portion of the at least one neighbor frequency associated with the service frequency point and the service frequency point are configured with one common cell search indication information, and another portion of the at least one neighbor frequency associated with the service frequency point is configured with another common cell search indication information, the cell search indication information being used to indicate that the corresponding frequency point is a frequency point of a highest priority search, a frequency point of a lowest priority search, or a frequency point that does not need to be searched.
The network device of any one of claims 52-59, wherein the cell search indication information occupies at least one bit, and wherein a value of the at least one bit is used to indicate that the corresponding frequency point is a frequency point of a highest priority search, a frequency point of a next highest priority search, or a frequency point that does not need to be searched.
The network device according to any one of claims 52-59, wherein the cell search indication information is a characteristic parameter, and the terminal device configures or acquires the characteristic parameter to indicate whether a frequency point of a corresponding cell is a frequency point of a highest priority search, a frequency point of a lowest priority search, or a frequency point that does not need to be searched.
The network device of claim 61, wherein the characteristic parameters include at least one of:

PLMN or SNPN list configuration information or access control related network identification list configuration information or temporary network identification list configuration information;

indication information whether the terminal device is allowed to authenticate through the service network;

group identification information allowing the terminal device to authenticate through the service network;

whether the terminal equipment is allowed to initiate indication information of a network authentication request in a service network under the condition that the maintained SNPN or PLMN network identifier used for the service network authentication is not matched with any SNPN or PLMN network identifier broadcasted by cell system information;

Whether the terminal equipment is allowed to access through a service network and obtain the indication information of subscription information;

allowing the terminal equipment to access through a service network and acquiring group identification information of subscription information;

indication information of whether the PLMN, SNPN, access control related network identity or temporary network identity allows emergency communication.
The network device of claim 62, wherein any one of the characteristic parameters other than PLMN list configuration information or SNPN list configuration information or access control related network identification list configuration information or temporary network identification list configuration information comprises at least one of the following configuration granularities:

PLMN or SNPN granularity, CAG granularity, cell granularity, access control related network identity granularity, temporary network identity granularity.
The network device of any of claims 52-63, wherein the cell search indication information is carried over a cell system broadcast information or over dedicated signaling.
The network device of claim 64, wherein the cell search indication information is associated with a cell search assistance information, wherein the cell search assistance information is used to assist the cell search indication information in performing a cell search.
The network device of claim 65, wherein in the case where the cell search indication information is carried over a cell system broadcast information, the cell search assistance information comprises at least one of:

PCI list configuration, SCS list configuration, bandwidth list configuration, SMTC configuration.
The network device of claim 65, wherein in the case where the cell search indication information is carried by dedicated signaling, the cell search assistance information comprises at least one of:

PCI list configuration, SCS list configuration, bandwidth list configuration, SMTC configuration, and effective duration timer information.
The network device of claim 67, wherein said cell search indication information is not stale if said validity duration timer does not expire; otherwise, the cell search indication information is invalid.
A terminal device, comprising: a processor and a memory for storing a computer program, the processor being for invoking and running the computer program stored in the memory, performing the method of any of claims 1 to 17.
A network device, comprising: a processor and a memory for storing a computer program, the processor for invoking and running the computer program stored in the memory, performing the method of any of claims 18 to 34.
An apparatus, comprising: a processor for calling and running a computer program from a memory, causing a device in which the apparatus is installed to perform the method of any of claims 1 to 17.
An apparatus, comprising: a processor for calling and running a computer program from a memory, causing a device in which the apparatus is installed to perform the method of any of claims 18 to 34.
A computer readable storage medium storing a computer program for causing a computer to perform the method of any one of claims 1 to 17.
A computer readable storage medium storing a computer program for causing a computer to perform the method of any one of claims 18 to 34.
A computer program product comprising computer program instructions for causing a computer to perform the method of any one of claims 1 to 17.
A computer program product comprising computer program instructions which cause a computer to perform the method of any of claims 18 to 34.
A computer program, characterized in that the computer program causes a computer to perform the method according to any one of claims 1 to 17.
A computer program, characterized in that the computer program causes a computer to perform the method of any of claims 18 to 34.