CN111479213B - An evaluation method and device for location recommendation - Google Patents

Abstract

The present application provides an evaluation method and apparatus for location recommendation. The method includes: a terminal device searches for an NR cell at a first location, wherein the terminal device is located at the first location, and the first location resides The cell is a long-term evolution LTE cell; the terminal device determines the evaluation result of the terminal device at the first location according to at least one of the first information, the second information and the third information, and the first information is used to indicate the terminal device The metric of the LTE cell where the device resides, the second information is used to indicate whether LTE and NR dual connectivity is available for the terminal device at the first location, and the third information is used to indicate that the terminal device is at the first location. The metric of the NR cell searched on. The evaluation method for location recommendation in the embodiment of the present application can recommend a 5G best position for a user, which helps the user to enjoy the best network service in a timely manner and improves the user experience.

Description

An evaluation method and device for location recommendation

technical field

The present application relates to the field of communications, and more particularly, to an evaluation method and apparatus for location recommendation.

Background technique

For the 5G network deployed in the long term evolution (LTE) and new radio (NR) dual connectivity (or LTE and NR dual connectivity (EUTRAN-NR dual connectivity, EN-DC)) networking mode , the system information of the LTE cell may carry indication information to indicate that the LTE cell supports the EN-DC networking mode, or the LTE cell can provide 5G services for the terminal device through the EN-DC networking mode.

After the terminal equipment that supports 5G functions resides in the LTE cell, the NR cell will not be measured, which cannot guarantee that the terminal equipment is placed in the location covered by the NR cell, so that the user in the terminal equipment mode cannot enjoy the 5G network. service, poor user experience.

SUMMARY OF THE INVENTION

The present application provides an evaluation method and apparatus for location recommendation, which helps to improve user experience.

A first aspect provides an evaluation method for location recommendation, the method is applied to a terminal device, the method includes: the terminal device searches for an NR cell at a first location, wherein the terminal device is located at the first location, And the cell where the first location resides is a long-term evolution LTE cell; the terminal device determines the evaluation result of the terminal device at the first location according to at least one of the first information, the second information and the third information, the The first information is used to indicate the metric of the LTE cell where the terminal device resides, the second information is used to indicate whether LTE and NR dual connectivity is available for the terminal device at the first location, and the third information is used to indicate The metric of the NR cell that the terminal device searches for at the first location, and the evaluation result is at least related to the LTE signal strength and the NR signal strength of the terminal at the first location.

In the evaluation method for location recommendation according to the embodiment of the present application, when the terminal device camps on the LTE cell at the first location, it scans the LTE cell and the NR cell at the first location and determines whether the first location supports LTE Dual connection with NR helps the terminal device to determine the evaluation result of the first position.

In some possible implementations, the method further includes:

The terminal device receives system information from the access network, where the system information includes the first indication information.

In some possible implementations, the method should include:

The terminal device receives the second indication information from the core network.

In some possible implementations, the second indication information is delivered to the terminal device by the core network during the attachment process.

In some possible implementations, the second indication information is carried in an attach accept message.

In some possible implementations, the evaluation result is related to the LTE signal quality at the first location, the NR signal quality, and whether EN-DC is supported.

With reference to the first aspect, in some possible implementations of the first aspect, the method further includes: prompting, by the terminal device, an evaluation result of the first position.

The evaluation method for location recommendation according to the embodiment of the present application, by displaying the evaluation result to the user, it is convenient for the user to know the evaluation result of the current location of the terminal device in time, for example, the comprehensive score or the recommendation indication.

With reference to the first aspect, in some possible implementations of the first aspect, when the first location includes multiple locations, the determining an evaluation result of the terminal device at the first location includes: the terminal device determining the Obtaining multiple evaluation results from the evaluation results of each of the multiple locations; the method further includes: the terminal device prompting each location and an evaluation result corresponding to each location.

In the evaluation method for location recommendation in this embodiment of the present application, the terminal device can evaluate multiple locations, and remind the user of each location and the evaluation result corresponding to each location, such as a comprehensive score or a recommendation index, which is helpful for the user Select the optimal location from multiple locations, for example, select the location with the highest comprehensive score to place the terminal device, which helps users to enjoy the best network experience in time.

With reference to the first aspect, in some possible implementations of the first aspect, the terminal device prompts the first position through one or more of the score displayed on the display screen, the score of the voice prompt, and the display intensity of the signal light. evaluation result.

With reference to the first aspect, in some possible implementations of the first aspect, before the determination of the evaluation result of the first position, the method further includes: the terminal device, according to the first indication information and the second indication information, determine In the second information, the first indication information is upper layer indication information carried in the system information of the LTE cell, and the second indication information is used to indicate whether the network device restricts the terminal device from using LTE and NR dual connections.

With reference to the first aspect, in some possible implementations of the first aspect, the terminal device determines the second information according to the first indication information and the second indication information, including: in the system information of the LTE cell Including the public land mobile network PLMN information list, and the first PLMN information in the PLMN information list includes the first indication information, and the second indication information indicates that the network device does not restrict the terminal device from using LTE and NR dual connection under the situation , the terminal equipment sets the second information as the first value, and the first PLMN information is the information corresponding to the PLMN selected by the terminal equipment; the system information of the LTE cell does not include the public land mobile network PLMN information list or, in the case that the public land mobile network PLMN information list is carried in the system information of the LTE cell but the first indication information is not included in the first PLMN information, or, when the second indication information indicates that the network In the case where the device restricts the terminal device to use LTE and NR dual connections, the terminal device sets the second information to a second value.

With reference to the first aspect, in some possible implementations of the first aspect, the searching for an NR cell at the first location includes: the terminal device determining an NR frequency band to be scanned; the terminal device searching for NR on the NR frequency band community; or,

The searching for the NR cell at the first location includes: the terminal device determining the NR frequency band to be scanned and the carrier frequency band to be scanned on the NR frequency band; the terminal device searches for the NR cell on the NR frequency band and the carrier frequency point.

With reference to the first aspect, in some possible implementations of the first aspect, the terminal device searching for an NR cell at a first location includes: the terminal device searching for an NR cell at the first location according to a predefined rule.

With reference to the first aspect, in some possible implementation manners of the first aspect, the terminal device searches for the NR cell at the first location according to a predefined rule, including: when the terminal device searches for a metric greater than or equal to the first When there are L cells within a predefined threshold, stop searching for NR cells, where L is a positive integer greater than or equal to 1.

With reference to the first aspect, in some possible implementations of the first aspect, the third information is the average value of the metrics of the L cells, or the third information is the highest among the metrics of the L cells Excellent metric.

With reference to the first aspect, in some possible implementations of the first aspect, the third information is a metric of a first cell, and the first cell is a cell with an optimal metric among the cells searched by the terminal device.

With reference to the first aspect, in some possible implementations of the first aspect, the NR frequency band is one or more of the following: all NR frequency bands that the capability of the terminal device can support; All supported NR frequency bands; NR frequency bands that need to be scanned preset in the terminal device.

In a second aspect, an apparatus is provided for performing the method in the first aspect and any possible implementation manner of the first aspect. Exemplarily, the apparatus may include units or modules for performing the method in the first aspect and any possible implementation manner of the first aspect.

In a third aspect, an apparatus is provided, and the apparatus may be a terminal device in the above method design, or a chip provided in the terminal device. The apparatus includes: a processor, which is coupled to a memory, and can be used to execute instructions in the memory, so as to implement the method executed by the terminal device in the first aspect or any of its possible implementation manners.

Optionally, the apparatus further includes a memory. Optionally, the apparatus further includes a communication interface to which the processor is coupled.

When the apparatus is a terminal device, the communication interface may be a transceiver, or an input/output interface.

When the device is a chip configured in a terminal device, the communication interface may be an input/output interface.

Optionally, the transceiver may be a transceiver circuit. Optionally, the input/output interface may be an input/output circuit.

In a fourth aspect, a program is provided, which, when executed by a processor, is used to execute the method provided in the first aspect.

In a fifth aspect, a program product is provided, the program product comprising: program code, when the program code is executed by a communication unit, a processing unit or a transceiver, or a processor of a device (eg, a terminal device), the program code causes the The apparatus performs any of the methods of the first aspect and possible embodiments thereof described above.

In a sixth aspect, a computer-readable medium is provided, the computer-readable medium stores a program, and the program causes an apparatus (for example, a terminal device) to execute any method in the first aspect and its possible implementation manners. .

Description of drawings

FIG. 1 is a schematic diagram of a networking manner provided by an embodiment of the present application.

FIG. 2 is a schematic diagram of another networking manner provided by an embodiment of the present application.

FIG. 3 is a schematic diagram of another networking manner provided by an embodiment of the present application.

FIG. 4 is a schematic diagram of another networking manner provided by an embodiment of the present application.

FIG. 5 is a schematic diagram of another networking manner provided by an embodiment of the present application.

FIG. 6 is a schematic flowchart of an evaluation method for location recommendation provided by an embodiment of the present application.

FIG. 7 is a schematic diagram of a group of GUIs provided by an embodiment of the present application.

FIG. 8 is a schematic diagram of a display situation of a signal lamp on a terminal device provided by an embodiment of the present application.

FIG. 9 is a schematic diagram of another GUI provided by an embodiment of the present application.

FIG. 10 is another schematic flowchart of an evaluation method for location recommendation provided by an embodiment of the present application.

FIG. 11 is another schematic flowchart of an evaluation method for location recommendation provided by an embodiment of the present application.

FIG. 12 is another schematic flowchart of an evaluation method for location recommendation provided by an embodiment of the present application.

FIG. 13 is another schematic flowchart of an evaluation method for location recommendation provided by an embodiment of the present application.

FIG. 14 is a schematic diagram of an evaluation apparatus for recommending a location provided by an embodiment of the present application.

FIG. 15 is a schematic diagram of a terminal device provided by an embodiment of the present application.

Detailed ways

The technical solutions in the present application will be described below with reference to the accompanying drawings.

The technical solutions of the embodiments of the present application can be applied to various communication systems, such as: long term evolution (long term evolution, LTE) system, LTE frequency division duplex (frequency division duplex, FDD) system, LTE time division duplex (time division duplex, TDD), the future fifth generation (5th generation, 5G) system or new radio (newradio, NR) and so on.

The terminal device in this embodiment of the present application may refer to a user equipment, an access terminal, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, a wireless communication device, a user agent or user device. The terminal equipment can also be a customer terminal equipment (Customer Premise Equipment, CPE), a cellular phone, a cordless phone, a session initiation protocol (SIP) phone, a wireless local loop (WLL) station, a personal digital assistant (personal digital assistant, PDA), handheld devices with wireless communication capabilities, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminal devices in future 5G networks or future evolution of public land mobile communications A terminal device in a network (publicland mobile network, PLMN), etc., is not limited in this embodiment of the present application.

The network device in this embodiment of the present application may be a device used to communicate with a terminal device, and the network device may be an evolved base station (evoled NodeB, eNB or eNodeB) in an LTE system, or a cloud radio access network (cloud radio access network). The wireless controller in the radio access network (CRAN) scenario, or the network device can be a relay station, an access point, an in-vehicle device, a wearable device, and a network device in a future 5G network or a network device in a future evolved PLMN network, etc. , the embodiments of the present application are not limited.

The network device may also be a 4G core network device or a 5G core network device.

In this embodiment of the present application, the terminal device or the network device includes a hardware layer, an operating system layer running on the hardware layer, and an application layer running on the operating system layer. The hardware layer includes hardware such as a central processing unit (CPU), a memory management unit (MMU), and memory (also called main memory). The operating system may be any one or more computer operating systems that implement business processing through processes, such as a Linux operating system, a Unix operating system, an Android operating system, an iOS operating system, or a Windows operating system. The application layer includes applications such as browsers, address books, word processing software, and instant messaging software. In addition, the embodiments of the present application do not specifically limit the specific structure of the execution body of the methods provided by the embodiments of the present application, as long as the program that records the codes of the methods provided by the embodiments of the present application can be executed to provide the methods provided by the embodiments of the present application. For example, the execution subject of the method provided by the embodiment of the present application may be a terminal device or a network device, or a functional module in the terminal device or network device that can call and execute a program.

Additionally, various aspects or features of the present application may be implemented as a method, apparatus, or article of manufacture using standard programming and/or engineering techniques. The term "article of manufacture" as used in this application encompasses a computer program accessible from any computer readable device, carrier or medium. For example, computer readable media may include, but are not limited to: magnetic storage devices (eg, hard disks, floppy disks, or magnetic tapes, etc.), optical disks (eg, compact discs (CDs), digital versatile discs (DVDs) etc.), smart cards and flash memory devices (eg, erasable programmable read-only memory (EPROM), cards, stick or key drives, etc.). Additionally, various storage media described herein can represent one or more devices and/or other machine-readable media for storing information. The term "machine-readable medium" may include, but is not limited to, wireless channels and various other media capable of storing, containing, and/or carrying instructions and/or data.

1 to 5 show schematic diagrams of several networking manners to which the technical solutions of the embodiments of the present application are applicable.

FIG. 1 shows a schematic diagram of an NR independent (standard alone, SA) networking mode, in which an NR base station (eg, gNB) works independently, and the NR base station is connected to a 5G core network (5G Core, 5GC). The network architectures connecting the control plane and the user plane are shown in (a) and (b) in Figure 1, respectively. Among them, the 5G core network control plane node (5GC control plane node, 5GC CP Node) communicates with the NR through the NG-C interface. The base station is connected, and the 5G core network user plane node (5GC userplane node, 5GC UP Node) is connected to the NR base station through the NG-U interface.

FIG. 2 shows a schematic diagram of an LTE-NR dual connectivity (E-UTRA-NR dual connectivity, EN-DC) networking method, in which an LTE base station (eg, an eNB) is used as the master node. , the NR base station (eg, gNB) is a secondary node (secondary node), and the primary node base station is connected to a dual-connection mode of a 4G core network (evolved packet core, EPC). The network architectures of its control plane connection and user plane connection are shown in (a) and (b) of Figure 2, respectively, where the mobility management entity (mobility management entity) is connected to the LTE base station through the S1-MME interface, and the serving gateway ( The serving gateway (S-GW) is connected to the LTE base station through the S1-U interface, and the S-GW can also be connected to the NR base station through the S1-U interface.

FIG. 3 shows a schematic diagram of a next-generation LTE-NR dual connectivity (NG E-UTRA-NR dual connectivity, NG EN-DC) networking mode, and the networking mode uses an evolved LTE base station (eg, Ng-eNB) as The primary node, the NR base station (eg, gNB) is the secondary node, and the primary node base station is connected to the dual-connection mode of the 5G core network. The network architectures of its control plane connection and user plane connection are shown in (a) and (b) in Figure 3, respectively. Among them, the 5GC CP Node is connected to the evolved LTE base station through the NG-C interface, and the 5GC UP Node is connected through the NG-C interface. The U interface is connected to the evolved LTE base station, and the 5GC UP Node can also be connected to the NR base station through the NG-U interface.

FIG. 4 shows a schematic diagram of an NR-LTE dual connectivity (NR-E-UTRA dual connectivity, NE-DC) networking mode. In this networking mode, an NR base station (eg, gNB) is the main node, and the evolved LTE base station ( For example, Ng-eNB) is the secondary node, and the primary node base station is connected to the dual-connection mode of the 5G core network. The network architectures of its control plane connection and user plane connection are shown in (a) and (b) in Figure 4, respectively. Among them, the 5GC CP Node is connected to the NR base station through the NG-C interface, and the 5GC UP Node is connected through the NG-U interface. Connected to the NR base station, the 5GC UP Node can also be connected to the evolved LTE base station through the NG-U interface.

Figure 5 shows a schematic diagram of an NR-NR dual connectivity (NR-DC) networking mode. In this networking mode, one NR base station is the master node, another NR base station is the secondary node, and the master node base station is connected to the base station. Dual connectivity to the 5G core network. The network architectures of its control plane connection and user plane connection are shown in (a) and (b) in Figure 5, respectively. Among them, the 5GC CP Node is connected to the NR base station through the NG-C interface, and the 5GC UP Node is connected through the NG-U interface. Connected to the NR base station.

The application scenarios of this application include but are not limited to the following: a network that supports 4G, for example, a network that only deploys LTE cells; a network that supports 5G, for example, a network that only deploys NR cells and supports the above-mentioned NR SA System architecture for networking or NRDC networking; networks that support both 4G and 5G, for example, a network that deploys both LTE cells and NR cells, and supports the above-mentioned N-DC networking system architecture, or NG EN- The system architecture of the DC networking, or the system architecture of the NE-DC networking. In addition, the application scenarios of this application include a network based on sub-6GHz deployment and a network based on above-6GHz millimeter wave deployment.

When the terminal device is in the network architecture of the above several networking methods, when selecting the placement location for the terminal device, in order to provide the best service experience for users at the placement location:

On the one hand, in a network where NR cells are deployed, it is necessary to consider the signal coverage of the NR cells to determine the placement of 5G-enabled terminal equipment; further, when there are multiple NR cells covered, the signals of the NR cells need to be considered. strength to determine the placement of 5G-enabled terminal devices.

Exemplarily, in a 5G network deployed in an EN-DC networking manner, a terminal device supporting both a 5G function and a 4G function will only select an LTE cell for camping. After camping on the LTE cell, if upper layer indication information (upper layer indication) is broadcast in the SIB2 of the LTE cell, the terminal device will display a 5G icon. However, if the location of the terminal device is only determined based on the 5G icon displayed by the terminal device, since the terminal device does not measure the NR cell, it cannot actually be guaranteed that the location where the terminal is placed is covered by the NR cell signal, which will lead to Where the terminal equipment is placed, users cannot enjoy the services of the 5G network. As a result, there is no guarantee that the placement will bring the best experience to the user.

On the other hand, in a network without NR cell deployment, or in the case of NR cell deployment but no NR cell coverage, it is also necessary to consider the signal strength of LTE cells to determine the placement of 5G-enabled terminal equipment. However, the prior art cannot realize the selection of the placement position according to the signal coverage of the NR cell, or the signal strength of the NR cell, or the signal strength of the LTE cell.

Exemplarily, in a 5G network deployed in an NR SA independent networking manner, to support the 5G function, an NR cell will be selected for camping. After camping on the NR cell, the terminal device will display the 5G signal. If the location of the terminal device is only determined based on the 5G signal displayed by the terminal device, there is no guarantee that the location where the terminal is placed will have the best 5G signal, which will result in users being unable to enjoy a better 5G network at the location where the terminal device is placed. Serve. The evaluation method for location recommendation provided by the embodiment of the present application helps to ensure that the location where the terminal device is placed brings the best experience to the user. The evaluation method for position recommendation in this application may also be referred to as a 5G best position algorithm.

FIG. 6 shows a schematic flowchart of a measurement method 100 provided by an embodiment of the present application, and the method 100 can be applied to a case where a terminal device resides in an LTE cell, that is, the main mode of the terminal device is LTE. The corresponding network scenarios and systems can be: a network supporting 4G; a network supporting both 4G and 5G. The corresponding system architecture may be: a system architecture supporting EN-DC networking; or, a system architecture supporting NG EN-DC networking.

As shown in FIG. 6, when the method 100 includes:

S110, the terminal device searches for an NR cell at a first location, where the terminal device is located at the first location and a cell where the terminal device resides at the first location is a long-term evolution LTE cell.

Optionally, the terminal equipment searches for the first NR cell set at the first location, including:

The terminal device scans the NR frequency band, and searches for NR cells on the carrier frequency points on each scanned NR frequency band.

Optionally, before the terminal equipment searches for the first NR cell set, the method further includes:

The terminal device determines the NR frequency bands that need to be scanned.

Optionally, the NR frequency bands that the terminal device needs to scan include but are not limited to one or more of the following:

(1) All NR frequency bands;

(2) All NR frequency bands supported by the terminal equipment capability;

(3) All NR frequency bands supported by the selected PLMN on the LTE cell where the terminal device currently resides;

(4) All NR frequency bands supported by the selected PLMN on the LTE cell where the terminal device currently resides and capable of being supported by its own capabilities;

(5) M NR frequency bands in all NR frequency bands supported by the selected PLMN on the LTE cell where the terminal device currently resides and capable of being supported by its own capability, where M is a positive integer greater than or equal to 1;

(6) All NR frequency bands supported by the operator to which the subscriber identification module (SIM) card of the terminal device belongs. If the terminal device is inserted with two SIM cards (the two SIMs can be Nano SIM cards or eSIM cards), the terminal device can scan the NR band supported by the operator to which each SIM card belongs, or the terminal device can scan the Nano SIM The NR frequency band supported by the operator to which the card belongs, or the terminal device can scan the NR frequency band supported by the operator to which the eSIM card belongs;

(7) The frequency band that needs to be scanned preset in the terminal device.

Optionally, after the terminal device determines the NR frequency band to be scanned, the method 100 further includes;

The terminal equipment determines the carrier frequency points that need to perform the NR cell search.

Optionally, the carrier frequency points on which the terminal device performs cell search include but are not limited to one or more of the following:

(1) All carrier frequency points on each scanning frequency band;

(2) In each scanning frequency band, the carrier frequency that the terminal equipment capability can support;

(3) On each scanned frequency band, all carrier frequencies supported by the selected PLMN on the LTE cell where the terminal device currently resides on the frequency band;

(4) On each scanned frequency band, the PLMN selected on the LTE cell where the terminal device currently resides can be supported on this frequency band, and all the carrier frequencies that the terminal device capability can also support on this frequency band;

(5) In each scanned frequency band, the PLMN selected by the LTE cell where the terminal device currently resides can be supported in this frequency band, and at the same time, N out of all the carrier frequency points that the terminal device can support in this frequency band Carrier frequency point, N is a positive integer greater than or equal to 1;

(6) In each scanned frequency band, all carrier frequencies supported by the operator in the frequency band to which the SIM card of the terminal device belongs. If the terminal device is inserted with two SIM cards (the two SIMs can be Nano SIM cards or eSIM cards), in each scanned frequency band, the terminal device can support the carrier to which each SIM card belongs on the frequency band. The carrier frequency point of the eSIM card can perform cell search; or, the terminal device can perform cell search on the carrier frequency point supported by the operator to which the Nano SIM card belongs; or, the terminal device can perform cell search on the carrier frequency band supported by the operator to which the eSIM card belongs;

(7) The carrier frequency point preset in the terminal device.

Optionally, the terminal device may search for NR cells according to predefined rules.

Optionally, the predefined rules include but are not limited to the following:

(1) Search all NR cells on each carrier frequency point for cell search, until all NR physical cell identifiers (PCI) of the carrier frequency point are traversed once, and then stop the NR cell identification of the carrier frequency point. cell search;

(2) Each carrier frequency point for cell search searches for L NR cells whose metrics are higher than a predefined threshold. After searching for L NR cells whose metrics are higher than the predefined threshold on the carrier frequency, stop the cell search for the carrier frequency, and L is a positive integer greater than or equal to 1;

(3) Searching for L NR cells whose metrics are higher than a predefined threshold at each carrier frequency for cell search. After searching for L NR cells whose metric is higher than a predefined threshold on the carrier frequency, the cell search for any carrier frequency in the frequency band to which the carrier frequency belongs is stopped. L is a positive integer greater than or equal to 1;

(4) Searching for L NR cells whose metrics are higher than a predefined threshold at each carrier frequency for cell search. After searching for L NR cells whose metric is higher than the predefined threshold on the carrier frequency, the cell search for any carrier frequency in any frequency band is stopped, and L is a positive integer greater than or equal to 1.

If the terminal equipment does not search for L NR cells that satisfy the threshold condition after searching all cells, the actual number of NR cells searched shall prevail.

It should be understood that the determination of the above scanning frequency band, the determination of the carrier frequency point for cell search and the determination of the cell to be searched may be any combination of the above implementation manners.

S120, the terminal device determines an evaluation result of the terminal device at the first location according to at least one of the first information, the second information and the third information, where the first information is used to indicate the location where the terminal device resides The metric of the LTE cell, the second information is used to indicate whether LTE and NR dual connectivity is available for the terminal device at the first location, and the third information is used to instruct the terminal device to search for the NR cell at the first location. measure.

Optionally, the evaluation result is at least related to the LTE signal strength and the NR signal strength of the terminal device at the first location.

It should be understood that the second information is used to indicate whether LTE and NR dual connectivity is available, and it can also be understood that the second information is used to indicate whether the terminal device can use LTE and NR dual connectivity in the LTE cell where it resides.

Optionally, before the terminal device determines the evaluation result of the first position according to at least one of the first information, the second information and the third information, the method further includes:

The terminal device determines the third information.

Optionally, in this embodiment of the present application, the metric of the NR cell may be any one or a combination of the following:

(1) Reference signal receiving power (RSRP) of the NR cell;

(2) reference signal receiving quality (reference signal receiving quality, RSRQ) of the NR cell;

(3) The signal to interference plus noise ratio (SINR) of the NR cell;

(4) The load of the NR cell;

(5) The channel capacity of the NR cell.

In a possible implementation manner, when the terminal device searches for the NR cell according to the method in S110, the third information includes but is not limited to any of the following:

(1) The value of the metric of the NR cell with the best metric among all the NR cells searched by the terminal device;

(2) The value of the metric searched by the terminal device is greater than or equal to the average value of the metric of L NR cells with a predefined threshold;

(3) The average value of the metric values of all NR cells where the value of the metric searched by the terminal device is greater than or equal to a predefined threshold;

(4) The average value of the metrics of all NR cells searched by the terminal device.

Exemplarily, the terminal scans 10 frequency bands, each frequency band includes 5 frequency points, and 2 NR cells can be searched on each frequency point, but the PLMN selected on the LTE cell where the terminal device currently resides If the number of supported NR frequency bands is 5, the number of cells that can be searched by the terminal device is 50.

The terminal device may acquire and record the metric value of each of the 50 cells, and the third information includes the optimal metric value; or,

The terminal device stops scanning the NR cells after scanning the metric values of the 5 cells that are greater than the predefined threshold, and the third information includes the average value of the metrics of the 5 cells; or,

The terminal device may acquire and record the metric value of each of the 50 cells, wherein 10 of the 50 values are greater than or equal to a predefined threshold value, and the third information includes the 10 cells the mean of the metric; or,

The terminal device may acquire and record the value of the metric of each of the 50 cells, and the third information is the average of the metric of the 50 cells.

In a possible implementation manner, in the case that the terminal device does not search for the NR cell according to the method in S110, the terminal device determines the third information as the first value, or the terminal device ignores it in subsequent operations. the third information. It can be understood that, in the case that the terminal device does not search for the NR cell, the terminal device can determine the evaluation result of the first location according to the first information and the second information.

Optionally, before the terminal device determines the evaluation result of the first position according to at least one of the first information, the second information and the third information, the method further includes:

The terminal device determines the second information according to the first indication information and the second indication information, where the first indication information is upper-layer indication information carried in the system information of the LTE cell, and the second indication The information is used to indicate whether the network device restricts the terminal device from using LTE and NR dual connectivity.

The following introduces several rules for obtaining the value of the second information.

optional rule 1

The system information of the LTE cell includes a public land mobile network PLMN information list, and the first PLMN information in the PLMN information list includes the first indication information, and the second indication information indicates that the network device does not restrict the terminal device In the case of using LTE and NR dual connections, the terminal device sets the second information to a first value, and the first PLMN information is information corresponding to the PLMN selected by the terminal device;

In the case that the PLMN information list is not included in the system information of the LTE cell, or, the public land mobile network PLMN information list is carried in the system information of the LTE cell but the first indication information is not included in the first PLMN information In the case of , or, in the case that the second indication information indicates that the network device restricts the terminal device from using LTE and NR dual connections, the terminal device sets the second information to a second value.

Optionally, the system information may be SIB2.

Optionally, the first indication information may be upper layer indication information included in the PLMN information in the PLMN information list.

Optionally, the second indication information is information indicating that dual connectivity using LTE and NR is restricted or not restricted in the Attach Accept message received by the terminal device during the attach process.

optional rule 2

The system information of the LTE cell includes a PLMN information list, and at least one PLMN information in the PLMN information list includes the first indication information, and the second indication information indicates that the network device does not restrict the terminal device from using LTE and NR dual In the case of connection, the terminal device sets the second information to a first value, and the first PLMN information is information corresponding to the PLMN selected by the terminal device;

In the case where the PLMN information list is not included in the system information of the LTE cell, or, the PLMN information list is carried in the system information of the LTE cell but the first indication information is not included in each PLMN information in the PLMN information list In the case of , or, in the case that the second indication information indicates that the network device restricts the terminal device from using LTE and NR dual connections, the terminal device sets the second information to a second value.

Optional Rule 3

The system information of the LTE cell includes a PLMN information list, and the first PLMN information in the PLMN information list includes the first indication information, and the second indication information indicates that the network device does not restrict the terminal device from using LTE and NR In the case of dual connections, the terminal device sets the second information to a first value, and the first PLMN information is information corresponding to the PLMN selected by the terminal device;

The system information of the LTE cell includes a PLMN information list, and the first PLMN information in the PLMN information list includes the first indication information, and the second indication information instructs the network device to restrict the terminal device from using LTE and NR dual In the case of connection, the terminal device sets the second information to a second value;

In the case where the PLMN information list is not included in the system information of the LTE cell, and the second indication information indicates that the network device does not restrict the terminal device from using LTE and NR dual connectivity, or, the system information of the LTE cell includes If the PLMN information list and the first PLMN information does not include the first indication information, and the second indication information indicates that the network device does not restrict the terminal device from using LTE and NR dual connections, the terminal device will Information is set to the third value;

In the case where the system information of the LTE cell does not include the PLMN information list, and the second indication information instructs the network device to restrict the terminal device from using LTE and NR dual connectivity, or, the system information of the LTE cell includes the PLMN information information list and the first PLMN information does not include the first indication information, and the second indication information indicates that the network device restricts the terminal device from using LTE and NR dual connections, the terminal device sets the second information is the fourth value.

Optional Rule 4

In optional rule 4, two variables (the first variable and the second variable) can be set in the second information, wherein,

When the system information of the LTE cell includes a PLMN information list, and the first PLMN information in the PLMN information list includes the first indication information, the first variable is set to a first value, and the first PLMN information Information corresponding to the PLMN selected for the terminal device;

In the case where the system message of the LTE cell does not include the PLMN list, or the system message of the LTE cell includes the PLMN list and the first PLMN information in the PLMN information list does not include the first indication information, the a variable is set to a second value;

In the case that the second indication information indicates that the network device does not restrict the terminal device from using LTE and NR dual connections, the second variable device is set to the first value;

In the case that the second indication information indicates that the network device restricts the terminal device from using LTE and NR dual connections, the second variable device is set to a second value.

Optional Rule 5

The system information of the LTE cell includes a PLMN information list, and at least one PLMN information in the PLMN information list includes the first indication information, and the second indication information indicates that the network device does not restrict the terminal device from using LTE and NR dual In the case of connection, the terminal device sets the second information to the first value;

The system information of the LTE cell includes a PLMN information list, and at least one PLMN information in the PLMN information list includes the first indication information, and the second indication information instructs the network device to restrict the terminal device from using LTE and NR dual connectivity In the case of , the terminal device sets the second information to a second value;

In the case where the PLMN information list is not included in the system information of the LTE cell, and the second indication information indicates that the network device does not restrict the terminal device from using LTE and NR dual connectivity, or, the system information of the LTE cell includes When the PLMN information list and each PLMN information in the PLMN information list does not include the first indication information, and the second indication information indicates that the network device does not restrict the terminal device from using LTE and NR dual connections, the terminal device setting the second information to a third value;

In the case where the system information of the LTE cell does not include the PLMN information list, and the second indication information instructs the network device to restrict the terminal device from using LTE and NR dual connectivity, or, the system information of the LTE cell includes the PLMN information When the information list and each PLMN information in the PLMN information list does not include the first indication information, and the second indication information instructs the network device to restrict the terminal device from using LTE and NR dual connections, the terminal device will The second information is set to a fourth value.

Optional Rule 6

In optional rule 6, two variables (the first variable and the second variable) can be set in the second information, wherein,

When the system information of the LTE cell includes a PLMN information list, and at least one PLMN information in the PLMN information list includes the first indication information, set the first variable to a first value;

In the case where the system message of the LTE cell does not include the PLMN list, or the system message of the LTE cell includes the PLMN list and each PLMN information in the PLMN information list does not include the first indication information, the The first variable is set to the second value;

In the case that the second indication information indicates that the network device does not restrict the terminal device from using LTE and NR dual connections, the second variable device is set to the first value;

In the case that the second indication information indicates that the network device restricts the terminal device from using LTE and NR dual connections, the second variable device is set to a second value.

Optionally, before the terminal device determines the evaluation result of the first position according to at least one of the first information, the second information and the third information, the method further includes:

The terminal device acquires and records the metric of the LTE cell, and the first information includes a value of the metric of the LTE cell.

Optionally, in this embodiment of the present application, the metric of the LTE cell may be any one or a combination of the following:

(1) Reference signal received power RSRP of the LTE cell;

(2) The reference signal reception quality RSRQ of the LTE cell;

(3) Signal-to-interference-plus-noise ratio SINR of the LTE cell;

(4) The load of the LTE cell;

(5) The channel capacity of the LTE cell.

Several possible ways of determining the first information, the second information and the third information have been introduced above. In the following, the first information is taken as the value of the RSRP of the LTE cell, and the value of the second information can be determined according to the above-mentioned optional rule 1 ( The first value is 1, the second value is 0), and the third information is the RSRP value of the NR cell. Table 1 is used to illustrate how to determine the evaluation result of the first location.

Table 1

In this embodiment of the present application, the evaluation result may also be understood as a recommendation index or a comprehensive score of the location where the terminal device is located.

Exemplarily, the user may place the terminal device in a plurality of different locations (for example, a bedroom and a living room), so that the terminal device can evaluate the location and display the evaluation result. When the terminal equipment is located in the bedroom, the terminal equipment measures the RSRP value of the LTE cell where the terminal equipment is located is -90dbm, the value of the second information is 1, and the terminal equipment measures the RSRP of the LTE cell where the terminal equipment is located. If the value is -80dbm, the recommendation index or comprehensive score of the bedroom can be obtained as 5.

When the terminal equipment is located in the living room, the terminal equipment measures the RSRP value of the LTE cell where the terminal equipment is located is -100dbm, the value of the second information is 1, and the terminal equipment measures the RSRP of the LTE cell where the terminal equipment is located. If the value is -110dbm, the recommendation index or comprehensive score of the living room can be obtained as 2.

It should be understood that the above only describes the way that the terminal device calculates the recommendation index or the comprehensive score of the location in the form of a table, and the terminal device can also calculate the recommendation index or the comprehensive score of the location in other ways, for example, the terminal device The first information, the second information and the third information can be used as input through a predefined function, so as to determine the output result of the predefined function, and use the output result as the recommendation index or comprehensive score of the location of the terminal device.

Optionally, the method 100 further includes:

The terminal device prompts the evaluation result of the first position.

Optionally, the manner in which the terminal device prompts the evaluation result of the first position includes but is not limited to one or more of the following manners:

(1) The metrics of the above-mentioned LTE cell and/or NR cell, such as the score or signal strength displayed on the display screen;

(2) Reminding the above-mentioned metrics of the LTE cell and/or the NR cell, such as the score or signal strength of the location, by voice;

(3) Metrics of the above-mentioned LTE cell and/or NR cell, such as the signal strength displayed by the signal lamp.

Figure 7 shows a set of GUIs that remind the user of the assessment results by displaying the ratings on the display screen.

Referring to (a) in FIG. 7 , the terminal device can display a window 10 on the display screen, and the display window 10 reminds the user to input the current position through the style. When it is detected that the user has input “bedroom” in the window 10, After the user clicks the control 11, the terminal device starts to evaluate the bedroom, and displays the GUI shown in (b) of FIG. 7 after the evaluation is completed.

Referring to (b) in FIG. 7 , the terminal device displays a window 12 through the display screen, and the window 12 includes the evaluation result of the bedroom by the terminal device. It can be seen that the evaluation result of the bedroom by the terminal device is the comprehensive score of the bedroom. 90 points (out of 100 points).

Optionally, a GUI as shown in (c) of FIG. 7 may also be displayed after the evaluation is completed. Referring to (c) in Figure 7, the evaluation results of the terminal device on the bedroom may include 5G signal coverage, 5G signal strength of 4 bars (the strongest signal strength is 5 bars), and 4G signal strength of 5 stars , the overall score is 90 points.

In some possible implementations, the terminal device further includes signal lights, and the number of the flashing signal lights or the brightness of the signal lights can be used to indicate the strength of the NR signal at the location of the terminal device.

In some possible implementations, the terminal device includes two rows of signal lights, and the number of the flashing signal lights can be used to respectively indicate the strength of the LTE signal and the strength of the NR signal at the location of the terminal device.

It can be understood that the number of flashes of the LTE signal lights or the brightness of the signal lights can be determined by the first information, and the number of flashes of the NR signal lights or the brightness of the signal lights can be determined by the third information.

FIG. 8 shows a schematic diagram of the display situation of a signal light on a terminal device, as shown in FIG. 8 .

Optionally, when the first position includes a plurality of positions, the determination of the evaluation result of the terminal device at the first position includes;

The terminal device determines an evaluation result for each of the plurality of locations.

The method also includes:

The terminal device displays each location and the evaluation result corresponding to each location.

The terminal device may measure N positions, where N is a positive integer greater than or equal to 2, wherein after the evaluation of each position is completed, the position and the evaluation result of the position may be displayed.

Exemplarily, the terminal device can retain the measurement results of each position for a period of time. Figure 9 shows a GUI after a certain position has been evaluated. The terminal device can display the current position and the previously measured position through the display screen. The evaluation results are displayed on the display screen for each position and the corresponding evaluation results for each position.

Referring to Figure 9, the terminal device displays three locations "kitchen", "bedroom" and "living room", and displays the evaluation results corresponding to these three locations, wherein the comprehensive score of "kitchen" is 90 points, "bedroom" ” has an overall score of 70, and “Living Room” has a score of 50.

After seeing the information, the user can determine that the communication quality is the best when the terminal device is placed in the kitchen, and then the user can choose to place the terminal device in the kitchen.

It should be understood that when the location of the terminal device is covered by a 5G signal, the terminal device can display 5G signal coverage; the terminal device can display the 5G signal strength through the metric value of the NR cell; the terminal device can display the 5G signal strength through the LTE cell The value of the metric shows the 4G signal strength.

In the evaluation method for location recommendation according to the embodiment of the present application, the terminal device calculates the comprehensive score or recommendation index of its location and displays the result to the user, which helps the user to adjust the location of the terminal device in time, so as to facilitate the user to timely adjust the location of the terminal device. Enjoy 5G network service.

In one embodiment, FIG. 10 shows a schematic flowchart of a measurement method 200 provided by an embodiment of the present application. The method 200:

S210, the terminal device judges whether the currently camped cell is an LTE cell, and if so, executes S220; otherwise, ends the process.

S220, the terminal device reads the metric of the LTE cell, and sets the third variable as the value of the metric of the LTE cell.

It should be understood that, for the setting process of the third variable, reference may be made to the determination process of the first information in the above method 100, which is not repeated here for brevity.

S230, the terminal device reads the SIB2 of the LTE cell, and determines the fourth variable according to the SIB2.

It should be understood that, for the process of setting the fourth variable, reference may be made to the process of determining the second information in the above method 100, which is not repeated here for brevity.

S240, the terminal device scans the NR frequency band, and searches for an NR cell on the carrier frequency points on each scanned NR frequency band. If an NR cell is found, if the NR cell is scanned, then S250 is performed; otherwise, S260 is performed.

S250: Acquire and record the metric value of the NR cell, and set the fifth variable as the metric value of the NR cell.

It should be understood that, for the setting process of the fifth variable, reference may be made to the determination process of the third information in the foregoing method 100, which is not repeated here for brevity.

S260, set the fifth variable to a predefined value (eg, 0), or ignore the third variable in subsequent operations.

S270, the terminal device determines a comprehensive score or recommendation index of the current location according to the third variable, the fourth variable and the fifth variable (if any).

S280, the terminal device displays information to the user, and the displayed information includes but is not limited to whether there is 5G signal coverage; 5G signal strength; 4G signal strength; one or more of a comprehensive score or a recommendation index.

In the embodiment of the present application, when the terminal device is placed in different positions, S210-S280 may be repeatedly executed, and the information of each position has been determined. After obtaining the information of each position, the user can choose to place the terminal device in the most The optimal location will help users to enjoy 5G network services in a timely manner and improve the user experience.

After the terminal device determines the optimal location according to the method provided in method 100 or method 200, if the current location is covered by the signal of the NR cell, in order to let the user know the real-time change of the metric of the NR cell at the current location, the terminal device also The value of the metric of the NR cell needs to be acquired in real time. This embodiment provides three methods for the terminal equipment to obtain the metric value of the NR cell at a specific location.

FIG. 11 shows a schematic flowchart of an evaluation method 300 for location recommendation according to an embodiment of the present application. As shown in FIG. 11 , the method 300 includes:

S310, the terminal device searches for the NR cell at the second location using a predefined period;

S320, the terminal device determines fourth information, where the fourth information is the value of the metric value of the NR cell that the terminal device searches for.

Optionally, the method 300 further includes:

The terminal device indicates the signal strength of the NR cell, or indicates the signal strength of the 5G.

It should be understood that the value of the metric of the NR cell searched by the terminal device may reflect the signal strength of the NR cell or the 5G signal strength.

Optionally, the method 300 also includes:

The terminal device determines the value of the metric for the LTE cell in which the terminal device camps.

It should be understood that the metric value of the LTE cell searched by the terminal device may reflect the signal strength of the LTE cell or the 4G signal strength.

It should be understood that the method 300 may occur after the terminal device detects a certain operation of the user, and the LTE signal strength or 5G signal loudness of the current location is reflected by the signal light or the signal grid on the display screen; After a place reaches a certain condition, the LTE signal strength or 5G signal loudness of the current location is reflected by the signal light or the signal grid on the display.

Optionally, before the terminal equipment searches for the NR cell at the second location using a predefined period, the method further includes:

The terminal device detects that the terminal device moves from the first position to the second position.

Exemplarily, when the terminal device detects that it is placed in a certain position, when a condition is reached, for example, after staying in a certain position for more than 30 seconds or 1 minute, the current position can be reflected by the signal light or the signal grid on the display screen. LTE signal strength or 5G signal loudness.

As shown in Figure 8, there can be two rows of indicator lights on the terminal device, which represent the 4G signal strength and the 5G signal strength respectively. When the terminal device stays at a certain location for a certain time threshold, the terminal device can automatically pass through these two rows. The display light shows the 4G signal strength and 5G signal strength of the current location in real time.

Exemplarily, the first location is the living room, the second location is the kitchen, the terminal device obtains a comprehensive score of the two locations by evaluating the two locations, and the comprehensive score of the kitchen is better than the comprehensive score of the living room, and the user After obtaining the comprehensive scores of these two places, you can choose to place the terminal device in the kitchen and the kitchen is covered by the NR cell. At this time, in order to let the user know the real-time change of the metric value of the NR cell in the kitchen, the terminal device can Get real-time metrics for NR cells in the kitchen.

Several methods for determining the fourth information are described below.

method 1

After the terminal device is placed in the second position, it first determines the NR cell with the optimal metric amount of the NR cell at the time of placement. The cell with the best metric is the first cell. After that, the terminal device periodically obtains the metric value of the first cell. For example, the terminal device uses a predefined period P ₁ to obtain the metric value of the first cell by periodically measuring the first cell. The terminal device may determine the value of the metric of the first cell as the fourth information.

Method 2

After the terminal device is placed in the second position, the terminal device periodically scans the NR frequency band, and scans the NR cell on each carrier frequency point (ARFCN) on each scanned NR frequency band, and scans the NR frequency band and all NR cells. The period of , for example, may be P ₂ . The terminal device obtains the metric of the searched NR cell. The terminal device may determine, as the fourth information, the value of the metric of the second cell, where the second cell is the cell with the best metric among all cells searched by the terminal device; or, the terminal device may search the The average value of the metrics in all the cells of is used as the fourth information.

It should be understood that the frequency band, carrier frequency point and cell searched by the terminal device in method 2 may refer to the above method 100, which is not repeated here for brevity.

Method 3

After the terminal device is placed in the second position, it first determines the NR cell with the optimal metric amount of the NR cell at the time of placement.

If the metric of the cell is greater than or equal to the predefined threshold, the cell is defined as the first cell. The terminal device may periodically obtain the metric value of the first cell. For example, the terminal device adopts a predefined period P ₁ to obtain the metric value of the first cell by periodically measuring the first cell. The terminal device may determine the value of the metric of the first cell as the fourth information.

If the metric of the cell is less than the predefined threshold, the terminal device can periodically scan the NR frequency band, scan the NR cell on each carrier frequency point (ARFCN) on each scanned NR frequency band, and obtain The value of the metric of the searched NR cell. The terminal device may determine, as the fourth information, the value of the metric of the second cell, where the second cell is a cell with an optimal metric among all cells searched by the terminal device. The terminal device continues to perform this process until it finds that the value of the metric is greater than or equal to the predefined threshold value.

After the terminal device searches for an NR cell with a metric greater than or equal to the predefined threshold, the terminal device can take the NR cell with the searched metric greater than or equal to the predefined threshold and with the optimal metric as the third cell . After that, the terminal device periodically obtains the metric value of the third cell. For example, the terminal device uses a predefined period P ₁ to obtain the metric value of the third cell by periodically measuring the third cell. The terminal device may determine the value of the metric of the third cell as the fourth information.

Method 4

After the terminal device is placed in the second position, the terminal device may acquire the metrics of the L NR cells at the current position using a defined periodicity P ₃ . For the acquisition of the L NR cells, reference may be made to the foregoing method 100 . The terminal device may determine the average value of the metrics of the L NR cells as the fourth information, or the terminal device may determine the value of the metrics of the cell with the best metric among the L NR cells as the value of the metric Fourth information.

It should be understood that, for the process of determining the fourth information by the terminal device in the method 300, reference may be made to the process of determining the third information in the above-mentioned method 100.

FIG. 12 shows a schematic flowchart of a method 400 provided by an embodiment of the present application, where a terminal device is located at a third location, and the cell where the terminal device resides in the third location is an NR cell, that is, the main mode of the terminal device is NR , the corresponding network scenarios and system architectures include: networks that only support 5G; networks that support both 4G and 5G, and a system architecture that supports NE-DC networking.

The method 400 includes:

S410, the terminal device determines whether the cell currently camped on is an NR cell, and if so, executes S420; otherwise, ends the process.

S420, the terminal device acquires and records the metric value of the NR cell, and sets the sixth variable as the metric value of the NR cell.

It should be understood that, for the process of obtaining the metric value of the NR cell by the terminal device, reference may be made to the foregoing method 100, which is not repeated here for brevity.

S430, the terminal device scans the LTE frequency band, and searches for an LTE cell on a carrier frequency point on each scanned LTE frequency band. If an LTE cell is found, perform S440; otherwise, perform S450.

It should be understood that the LTE frequency bands that the terminal device needs to scan, the carrier frequency points that need to be searched for cells, and the LTE cells that need to be searched may refer to the NR frequency bands that the terminal device needs to scan in the above method 100, the carrier frequency points that need to be cell searched, and the need for cell search. The searched NR cells are not repeated here for brevity.

S440, the terminal device acquires and records the metric value of the LTE cell, and sets the seventh variable as the metric value of the LTE cell.

It should be understood that, for the setting process of the seventh variable, reference may be made to the determination process of the third information in the foregoing method 100, which is not repeated here for brevity.

S450, the terminal device sets the seventh variable to a predefined value, or ignores the seventh variable in subsequent operations.

S460, the terminal device determines a comprehensive score or a recommendation index of the third position according to the sixth variable and the seventh variable (if exists).

S470, the terminal device displays one or more of the following information:

(1) Whether there is 5G signal coverage;

(2) 5G signal strength;

(3) 4G signal strength;

(4) Comprehensive score or recommendation index.

The user can place the terminal equipment in N different positions respectively. At these N different locations, the terminal device obtains the metric of the NR cell and the metric of the LTE cell respectively at the current location, and determines the comprehensive score or recommendation index of the current location according to the metric of the NR cell and the metric of the LTE cell . And display any one or a combination of the following information about the current location to the user: 5G signal strength; whether there is 4G signal coverage; 4G signal strength; comprehensive score or recommendation index. In this way, the user can determine the placement position that can bring the best service experience based on the above-mentioned displayed information.

13 shows a schematic flowchart of a method 500 provided by an embodiment of the present application. The terminal device is located at a fourth location, and the cell where the terminal device resides in the fourth location is an NR cell, that is, the main mode of the terminal device is NR. And the corresponding scenario is a network that only supports 5G, and the corresponding system architecture includes NR SA networking and NR DC networking.

The method 500 includes:

S510, the terminal device judges whether the currently camped cell is an NR cell, and if so, executes S520; otherwise, ends the process.

S520, the terminal device acquires and records the metric value of the NR cell, and sets the eighth variable as the metric value of the NR cell.

It should be understood that, for the metric of the NR cell, reference may be made to the above-mentioned method 100 .

It should also be understood that, for the process of acquiring the metric value of the NR cell by the terminal device, reference may be made to the above-mentioned method 100, which is not repeated here for brevity.

S530, the terminal device determines a comprehensive score or a recommendation indication of the fourth position according to the eighth variable.

S540, the terminal device displays one or more of the following information:

(1) 5G signal strength;

(2) Comprehensive score or recommendation index

The user can place the terminal equipment in N different positions respectively. At the N different locations, the terminal device obtains the metrics of the NR cells at the current location respectively, and determines the comprehensive score or recommendation index of the current location according to the metrics of the NR cells. Any one or a combination of the following information about the current location is displayed to the user: 5G signal strength; comprehensive score or recommendation index. In this way, the user can determine the placement position that can bring the best service experience based on the above-mentioned displayed information.

One of the possible indicators of the NR cell is the channel capacity of the NR cell at a certain location of the terminal device, or the multi-stream capacity of the data channel of the NR cell. In order to be able to evaluate the channel capacity of the NR cell, the terminal device needs to measure the reference signals transmitted by the NR cell through multiple ports. For a terminal device in an RRC idle state, in order to obtain a measurable reference signal for multi-port transmission, this embodiment provides the following solutions.

Option One

In the system information of the LTE cell, the frequency point of the adjacent NR cell, the cell identifier and the configuration information of the reference signal for multi-port transmission are configured and delivered.

Option II

The UE sends a specific Preamble to the network, and the specific Preamble indicates that the UE needs to send the measurement information of neighboring NR cells by the base station. After receiving the preamble, the base station configures the frequency point of the adjacent NR cell, the cell identifier and the configuration information of the reference signal for multi-port transmission for the UE through RRC dedicated signaling or system information. The above-mentioned specific Preamble can be notified to the UE in the system information of the LTE cell.

third solution

The UE sends a Preamble on a specific PRACH time-frequency resource, and the specific PRACH time-frequency resource indicates that the UE needs to measure the neighboring NR cells. After receiving this specific PRACH time-frequency resource and receiving the preamble, the base station configures the frequency point of the adjacent NR cell, the cell identifier and the configuration information of the reference signal for multi-port transmission for the UE through RRC dedicated signaling or broadcast message. The above-mentioned specific PRACH time-frequency resources may be notified to the UE in the system information of the LTE cell.

Option 4

The UE sends an RRC message in MSG3 in the random access process, and the message indicates that the UE needs to do neighboring NR cell measurement. After receiving the RRC message, the base station configures the frequency point of the adjacent NR cell, the cell identifier and the configuration information of the reference signal transmitted by the multi-port through RRC dedicated signaling.

The configuration information of the reference signal transmitted by the multi-port may include, for example, the sequence of the reference signal, the time-frequency domain resource location of the reference signal, the transmission power of the reference signal, and the like.

The evaluation method for location recommendation provided by the embodiments of the present application is described above with reference to FIGS. 6 to 13 . The following describes the apparatus provided by the embodiments of the present application with reference to FIGS. 14 and 15 .

FIG. 14 shows a schematic block diagram of an apparatus 600 provided by an embodiment of the present application. As shown in FIG. 14 , the apparatus 600 includes:

a search unit 610, configured to search for an NR cell at a first location, where the apparatus 600 is located at the first location, and the cell where the first location resides is a long-term evolution LTE cell;

A processing unit 620, configured to determine an evaluation result of the device at the first location according to at least one of the first information, the second information and the third information, where the first information is used to indicate the LTE where the device resides The metric of the cell, the second information is used to indicate whether LTE and NR dual connectivity is available at the first location, and the third information is used to indicate the metric of the NR cell that the device searches for at the first location The evaluation result is related to at least the LTE signal strength and the NR signal strength of the device at the first location.

Optionally, the apparatus 600 further includes:

The prompting unit 630 is configured to prompt the evaluation result of the first position.

Optionally, when the first location includes multiple locations, the processing unit 620 is specifically configured to:

determining the evaluation result of each of the multiple locations to obtain multiple evaluation results;

The prompting unit 630 is also used for:

Prompt each position and the evaluation result corresponding to each position.

Optionally, the prompting unit 630 prompts the evaluation result of the first position by one or more of the displayed score or signal strength, the score or signal strength of the voice unit, and the signal strength displayed by the signal light of the signal light display unit.

Optionally, the processing unit 620 is further configured to, before determining the evaluation result of the first position, determine the second information according to the first indication information and the second indication information, wherein the first indication information is the The upper layer indication information carried in the system information of the LTE cell, the second indication information is used to indicate whether the network device restricts the terminal device to use the LTE and NR dual connections.

Optionally, the processing unit 620 is specifically used for:

The system information of the LTE cell includes a public land mobile network PLMN information list, and the first PLMN information in the PLMN information list includes the first indication information, and the second indication information indicates that the network device does not restrict the device from using LTE In the case of dual connection with NR, the second information is set to the first value, and the first PLMN information is the information corresponding to the PLMN selected by the terminal device;

In the case that the system information of the LTE cell does not include the public land mobile network PLMN information list, or, the system information of the LTE cell carries the public land mobile network PLMN information list but does not include the first PLMN information. In the case of the first indication information, or in the case that the second indication information indicates that the network device restricts the apparatus from using LTE and NR dual connectivity, the second information is set to a second value.

Optionally, the processing unit 630 is specifically configured to: determine an NR frequency band to be scanned; the terminal device searches for an NR cell on the NR frequency band; or

Optionally, the processing unit 630 is specifically configured to: the terminal device determines the NR frequency band to be scanned and the carrier frequency band to be scanned on the NR frequency band; the terminal device searches for the NR cell on the NR frequency band and the carrier frequency point.

Optionally, the search unit 610 is specifically used for:

The first location is searched for NR cells according to predefined rules.

Optionally, the searching unit 610 is specifically configured to: stop searching for NR cells when L cells whose metrics are greater than or equal to the first predefined threshold are searched, where L is a positive integer greater than or equal to 1.

Optionally, the third information is an average value of the metrics of the L cells, or the third information is an optimal metric among the metrics of the L cells.

Optionally, the third information is a metric of a first cell, and the first cell is a cell with an optimal metric among the cells searched by the terminal device.

Optionally, the NR frequency band is one or more of the following:

All NR frequency bands supported by the capabilities of the terminal equipment;

All NR frequency bands supported by the PLMN selected by the terminal equipment;

The NR frequency band that needs to be scanned preset in the terminal device.

It should be understood that the apparatus 600 may correspond to the terminal device according to the above method embodiments, and the apparatus 600 may include a unit for executing the method performed by the terminal device in the method 100 to the method 500 . In addition, each unit in the apparatus 600 and the above-mentioned other operations and/or functions are respectively for realizing the corresponding processes of the method 100 to the method 500 for transmitting information. For the specific process of each unit performing the above-mentioned corresponding steps, please refer to the foregoing description in conjunction with the method embodiment, which is not repeated here for brevity.

FIG. 15 shows a schematic structural diagram of a terminal device provided by an embodiment of the present application, which may be the terminal device in the above embodiment, and is used to implement operations of the terminal device in the above embodiment. As shown in FIG. 15 , the terminal device includes: an antenna 710 , a radio frequency part 720 , and a signal processing part 730 . The antenna 710 is connected to the radio frequency part 720 . In the downlink direction, the radio frequency part 720 receives the information sent by the network device through the antenna 710, and sends the information sent by the network device to the signal processing part 730 for processing. In the upstream direction, the signal processing part 730 processes the information of the terminal equipment and sends it to the radio frequency part 720 , and the radio frequency part 720 processes the information of the terminal equipment and sends it to the network equipment through the antenna 710 .

The signal processing part 730 may include a modulation and demodulation subsystem, which is used to implement the processing of each communication protocol layer of the data; it may also include a central processing subsystem, which is used to implement the processing of the operating system and the application layer of the terminal device; in addition, it also Other subsystems may be included, such as multimedia subsystem, peripheral subsystem, etc., wherein the multimedia subsystem is used to realize the control of the camera, screen display, etc. of the terminal device, and the peripheral subsystem is used to realize the connection with other devices. The modem subsystem can be a separate chip. Optionally, the above apparatus for terminal equipment may be located in the modem subsystem.

The modem subsystem may include one or more processing elements 731, including, for example, a host CPU and other integrated circuits. In addition, the modulation and demodulation subsystem may also include a storage element 732 and an interface circuit 733 . The storage element 732 is used for storing data and programs, but the program for executing the method performed by the terminal device in the above method may not be stored in the storage element 732, but in a memory outside the modulation and demodulation subsystem, When used, the modem subsystem is loaded for use. Interface circuitry 733 is used to communicate with other subsystems. The above apparatus for terminal equipment may be located in a modulation and demodulation subsystem, and the modulation and demodulation subsystem may be implemented by a chip, and the chip includes at least one processing element and an interface circuit, wherein the processing element is used to execute any one of the execution of the above terminal equipment. In the various steps of the method, the interface circuit is used to communicate with other devices. In one implementation, the unit for the terminal device to implement each step in the above method may be implemented in the form of a processing element scheduler. For example, an apparatus for a terminal device includes a processing element and a storage element, and the processing element calls the program stored in the storage element to Execute the method executed by the terminal device in the above method embodiments. The storage element may be a storage element in which the processing element is on the same chip, that is, an on-chip storage element.

In another implementation, the program for executing the method performed by the terminal device in the above method may be in a storage element on a different chip from the processing element, that is, an off-chip storage element. At this time, the processing element calls or loads the program from the off-chip storage element to the on-chip storage element, so as to call and execute the method performed by the terminal device in the above method embodiments.

In yet another implementation, the unit for the terminal device to implement each step in the above method may be configured as one or more processing elements, and these processing elements are provided on the modulation and demodulation subsystem, and the processing element here may be an integrated circuit, For example: one or more ASICs, or, one or more DSPs, or, one or more FPGAs, or a combination of these types of integrated circuits. These integrated circuits can be integrated together to form chips.

The units of the terminal device implementing each step in the above method may be integrated together and implemented in the form of an SOC, and the SOC chip is used to implement the above method. At least one processing element and a storage element may be integrated in the chip, and the method executed by the above terminal device may be implemented in the form of a program stored in the storage element being invoked by the processing element; or, at least one integrated circuit may be integrated in the chip to implement the above terminal The method for device execution; or, in combination with the above implementation manners, the functions of some units are implemented in the form of calling programs by processing elements, and the functions of some units are implemented in the form of integrated circuits.

It can be seen that the above apparatus for a terminal device may include at least one processing element and an interface circuit, where the at least one processing element is configured to execute any method performed by the terminal device provided in the above method embodiments. The processing element can execute part or all of the steps performed by the terminal device in the first way: by calling the program stored in the storage element; or in the second way: by combining the instructions with the integrated logic circuit of the hardware in the processor element Part or all of the steps performed by the terminal device may be performed in the manner of the first method; of course, some or all of the steps performed by the terminal device may also be performed in combination with the first manner and the second manner.

According to the method provided by the embodiment of the present application, the present application also provides a computer program product, the computer program product includes: computer program code, when the computer program code is run on a computer, the computer is made to execute the method in the above-mentioned embodiment. .

According to the methods provided by the embodiments of the present application, the present application further provides a computer-readable medium, where program codes are stored in the computer-readable medium, and when the program codes are run on a computer, the computer is made to execute the methods in the foregoing embodiments. .

Those of ordinary skill in the art can realize that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Skilled artisans may implement the described functionality using different methods for each particular application, but such implementations should not be considered beyond the scope of this application.

Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working process of the above-described systems, devices and units may refer to the corresponding processes in the foregoing method embodiments, which will not be repeated here.

In the several embodiments provided in this application, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. For example, the apparatus embodiments described above are only illustrative. For example, the division of the units is only a logical function division. In actual implementation, there may be other division methods. For example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not implemented. On the other hand, the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of devices or units, and may be in electrical, mechanical or other forms.

The units described as separate components may or may not be physically separated, and components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution in this embodiment.

In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit.

The functions, if implemented in the form of software functional units and sold or used as independent products, may be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application can be embodied in the form of a software product in essence, or the part that contributes to the prior art or the part of the technical solution. The computer software product is stored in a storage medium, including Several instructions are used to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of the present application. The aforementioned storage medium includes: U disk, removable hard disk, read-only memory (ROM), random access memory (RAM), magnetic disk or optical disk and other media that can store program codes .

Claims (13)

1. An evaluation method for position recommendation, the method being applied to a terminal device, and the method comprising:

the terminal equipment searches an NR cell at a first position, wherein the terminal equipment is positioned at the first position, and the cell where the first position resides is a Long Term Evolution (LTE) cell;

the terminal device determines an evaluation result of the terminal device at the first location according to at least one of first information, second information and third information, wherein the first information is used for indicating a measurement quantity of the LTE cell where the terminal device is camping, the second information is used for indicating whether LTE and NR dual connection is available at the first location, the third information is used for indicating a measurement quantity of the NR cell searched by the terminal device at the first location, the evaluation result is at least related to LTE signal strength and NR signal strength at the first location, and before determining the evaluation result of the first location, the method further comprises:

the terminal device determines the second information according to first indication information and second indication information, wherein the first indication information is upper layer indication information carried in system information of the LTE cell, and the second indication information is used for indicating whether the network device limits the terminal device to use LTE and NR dual-connection

The terminal device determines the second information according to the first indication information and the second indication information, and the determining includes:

the system information of the LTE cell comprises a Public Land Mobile Network (PLMN) information list, first PLMN information in the PLMN information list comprises the first indication information, and the terminal equipment sets the second information as a first numerical value under the condition that the network equipment is not limited to use LTE and NR dual connection by the terminal equipment, wherein the first PLMN information is information corresponding to a PLMN selected by the terminal equipment;

when the system information of the LTE cell does not include a public land mobile network PLMN information list, or when the system information of the LTE cell carries a public land mobile network PLMN information list but the first PLMN information does not include the first indication information, or when the second indication information indicates that the network device limits the terminal device to use LTE and NR dual connectivity, the terminal device sets the second information to a second value.

2. The method of claim 1, further comprising:

and the terminal equipment prompts the evaluation result of the first position.

3. The method according to claim 1 or 2, wherein when the first location comprises a plurality of locations, the determining the evaluation result of the terminal device at the first location comprises:

the terminal equipment determines an evaluation result of each position in the plurality of positions to obtain a plurality of evaluation results;

the method further comprises the following steps:

and the terminal equipment prompts each position and an evaluation result corresponding to each position.

4. The method according to claim 3, wherein the terminal device prompts the evaluation result of the first position by one or more of score or signal strength displayed by a display screen, score or signal strength of voice prompt and signal strength displayed by a signal lamp.

5. The method of claim 1 or 2 or 4, wherein the searching for the NR cell at the first location comprises:

the terminal equipment determines an NR frequency band needing to be scanned; the terminal equipment searches an NR cell on the NR frequency band; or,

the searching for the NR cell at the first location includes:

the terminal equipment determines an NR frequency band needing to be scanned and a carrier frequency band needing to be scanned on the NR frequency band;

and the terminal equipment searches for the NR cell on the NR frequency band and the carrier frequency point.

6. The method of claim 1, 2 or 4, wherein the terminal device searches for the NR cell at the first location, comprising:

and the terminal equipment searches the NR cell at the first position according to a predefined rule.

7. The method of claim 6, wherein the terminal device searches for the NR cell at the first location according to a predefined rule, comprising:

and stopping the search for the NR cell when the terminal equipment searches L cells with the metric quantity being greater than or equal to a first predefined threshold, wherein L is a positive integer greater than or equal to 1.

8. The method of claim 7, wherein the third information is an average value of the L cell metrics, or wherein the third information is an optimal metric among the L cell metrics.

9. The method according to claim 6, wherein the third information is a metric of a first cell, and the first cell is a cell with an optimal metric among cells searched by the terminal device.

10. The method of any one of claims 7 to 9, wherein the NR frequency bands are one or more of:

all NR frequency bands which can be supported by the terminal equipment;

all NR frequency bands supported by the PLMN selected by the terminal equipment;

and the preset NR frequency band needing to be scanned in the terminal equipment.

11. An apparatus configured to perform the method of any one of claims 1-10.

12. An apparatus, comprising: a processor coupled with a memory;

a memory for storing a computer program;

a processor for executing a computer program stored in the memory to cause the apparatus to perform the method of any of claims 1-10.

13. A readable storage medium comprising a program or instructions for performing the method of any of claims 1-10 when the program or instructions are run on a computer.

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