CN112423335A

CN112423335A - Communication method and device

Info

Publication number: CN112423335A
Application number: CN202011382382.0A
Authority: CN
Inventors: 李延斌
Original assignee: China United Network Communications Group Co Ltd
Current assignee: China United Network Communications Group Co Ltd
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-02-26

Abstract

The invention discloses a communication method and equipment, relates to the technical field of communication, and is used for solving the problem that a terminal cannot communicate in a coverage-free area of an attributive operator. The method comprises the following steps: first, a first signal strength is obtained. Then, in a case where the first signal strength is smaller than the first threshold value, a second signal strength is acquired. And finally, determining that the terminal executes the target operation under the condition that the second signal strength is greater than a second threshold value. Wherein the target operation comprises: a first request is sent to a code number server using a pre-configured temporary code number of an nth target operator. And receiving the formal code number of the Nth target operator sent by the code number server. And sending a registration request to the core network equipment of the Nth target operator by using the formal code number of the Nth target operator. The first signal strength is a signal strength between the terminal and a network device of a home operator. The second signal strength is a signal strength between the terminal and the network device of the nth target operator.

Description

Communication method and device

Technical Field

The present invention relates to the field of communications technologies, and in particular, to a communication method and device.

Background

With the development of communication technology, the coverage area of communication networks is increased. Currently, most areas are covered with communication networks of multiple operators. However, some areas with low population density (e.g., remote mountainous areas, unmanned areas, etc.) are only covered with one operator's communication network due to the limitation of network construction cost, etc. When the terminal moves to the area and the home operator of the communication network used by the terminal does not cover the area, the terminal cannot use the communication network, which causes the loss of the user and affects the user experience.

Disclosure of Invention

The invention provides a communication method and equipment, which are used for solving the problem that a terminal cannot communicate in a region without a coverage area of a home operator.

In order to achieve the purpose, the invention adopts the following technical scheme:

in a first aspect, the present invention provides a communication method, including: first, a first signal strength is obtained. Then, in a case where the first signal strength is smaller than the first threshold value, a second signal strength is acquired. And finally, determining that the terminal executes the target operation under the condition that the second signal strength is greater than a second threshold value. Wherein the target operation comprises: a first request is sent to the server using a pre-configured nth target operator's temporary code number. And receiving the formal code number of the Nth target operator sent by the server. And sending a registration request to the core network equipment of the Nth target operator by using the formal code number of the Nth target operator. The first request is used for requesting to acquire a formal code number of the Nth target operator. The first signal strength is a signal strength between the terminal and a network device of a home operator. The second signal strength is a signal strength between the terminal and a network device of an nth target operator, and the target operator and the home operator are different operators. N is a positive integer.

It can be seen that, in the present invention, when the terminal is in an area where the home operator has no coverage or poor coverage (i.e. the first signal strength is less than the first threshold), the terminal measures the signal strength (i.e. the second signal strength) between the terminal and the network device of another operator, and when there is a coverage signal of another operator in the area (i.e. the second signal strength is greater than the second threshold), the terminal obtains the formal code number of the operator through the temporary code number of the operator, so that the terminal uses the formal code number of the operator to perform communication, thereby solving the problem that the terminal cannot communicate in the area where the home operator has no coverage.

In a second aspect, the present invention provides a communication device comprising: the device comprises a first acquisition unit, a second acquisition unit and a first determination unit. The first obtaining unit is configured to obtain a first signal strength, where the first signal strength is a signal strength between the terminal and a network device of a home operator. And a second obtaining unit, configured to obtain a second signal strength when the first signal strength is smaller than the first threshold, where the second signal strength is a signal strength between the terminal and a network device of an nth target operator, the target operator and a home operator are different operators, and N is a positive integer. And the first determination unit is used for determining that the terminal executes the target operation under the condition that the second signal strength is greater than the second threshold value. The target operation comprises: sending a first request to a server by using a pre-configured temporary code number of an Nth target operator, wherein the first request is used for requesting to acquire a formal code number of the Nth target operator; receiving a formal code number of an Nth target operator sent by a server; and sending a registration request to the core network equipment of the Nth target operator by using the formal code number of the Nth target operator.

In a third aspect, the present invention provides a computer readable storage medium storing one or more programs, the one or more programs comprising instructions, which when executed by a communication device, cause the communication device to perform the communication method as described in the first aspect.

In a fourth aspect, the present invention provides a computer program product comprising instructions which, when run on a communication device, cause the communication device to perform the communication method according to the first aspect.

In a fifth aspect, the present invention provides a communication device, comprising: a processor and a memory, the memory for storing a program, the processor calling the program stored by the memory to perform the communication method as described in the first aspect.

Reference may be made to the detailed description of the first aspect and various implementations thereof for specific descriptions of the second to fifth aspects and various implementations thereof in the present disclosure; moreover, the beneficial effects of the second aspect to the fifth aspect and the various implementation manners thereof may refer to the beneficial effect analysis of the first aspect and the various implementation manners thereof, and are not described herein again.

These and other aspects of the invention will be more readily apparent from the following description.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a communication system according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a communication device according to an embodiment of the present invention;

fig. 3 is a flowchart illustrating a communication method according to an embodiment of the present invention;

fig. 4 is a flowchart illustrating a communication method according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a communication device according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, may mean: a exists alone, A and B exist simultaneously, and B exists alone.

The terms "first" and "second" and the like in the description of the present invention and the drawings are used for distinguishing different objects or for distinguishing different processes for the same object, and are not used for describing a specific order of the objects.

Furthermore, the terms "comprising" and "having" and any variations thereof as referred to in the description of the invention are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

It should be noted that in the description of the embodiments of the present invention, words such as "exemplary" or "for example" are used to indicate examples, illustrations or illustrations. Any embodiment or design described as "exemplary" or "e.g.," an embodiment of the present invention is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, use of the word "exemplary" or "such as" is intended to present concepts related in a concrete fashion.

In the description of the present invention, the meaning of "a plurality" means two or more unless otherwise specified.

The embodiment of the invention provides a communication method, which is used for solving the problem that a terminal cannot communicate in a region without a coverage area of a home operator. The communication method is applicable to a communication system, and fig. 1 shows one existing form of the communication system. As shown in fig. 1, the communication system may include: communication device 100, network device 200, terminal 300. The communication device 100, the network device 200, and the terminal 300 can establish network connection with each other.

In a specific implementation, the communication device 100 may exist alone, or may be the terminal 300 or a chip within the terminal 300. The embodiment of the present invention does not particularly limit the specific form of the communication apparatus 100.

The network device 200 may be any device with wireless transceiving function, including but not limited to: a base station (BTS) in a Global System for Mobile (GSM) or CDMA, a base station (NodeB) in WCDMA, an evolved base station (NodeB or eNB or e-NodeB, evolved Node B) in Long Term Evolution (LTE), a base station (gnnodeb or gNB) or a transmission point (TRP) in NR, a base station for 3GPP subsequent evolution, an access Node in WiFi system, a wireless relay Node, a wireless backhaul Node, and the like. The base station may be: macro base stations, micro base stations, pico base stations, small stations, relay stations, etc. Multiple base stations may support the same technology network as mentioned above, or different technologies networks as mentioned above. A base station may include one or more Transmission Receiving Points (TRPs) that are co-sited or non-co-sited.

The terminal 300 may be a mobile phone, a tablet computer, a desktop computer, a laptop computer, a handheld computer, a notebook computer, an ultra-mobile personal computer (UMPC), a netbook, a cellular phone, a Personal Digital Assistant (PDA), an Augmented Reality (AR) Virtual Reality (VR) device, and other devices having a transceiving function.

Fig. 2 shows a hardware configuration of the communication apparatus 100. As shown in fig. 2, the communication device 100 may include a processor 101, a communication line 102, a memory 103, and a communication interface 104.

The illustrated structure of the embodiment of the present invention does not limit the communication apparatus 100. It may include more or fewer components than shown, or combine certain components, or split certain components, or a different arrangement of components. The illustrated components may be implemented in hardware, software, or a combination of software and hardware.

Processor 101 may include one or more processing units, such as: the processor 101 may include an Application Processor (AP), a modem processor, a Graphics Processing Unit (GPU), an Image Signal Processor (ISP), a controller, a memory, a video codec, a Digital Signal Processor (DSP), a baseband processor, and/or a Neural-Network Processing Unit (NPU), etc. The different processing units may be separate devices or may be integrated into one or more processors.

The controller may be a decision maker directing the various components of the communication device 100 to work in concert as instructed. Are the neural center and the command center of the communication device 100. The controller generates an operation control signal according to the instruction operation code and the time sequence signal to complete the control of instruction fetching and instruction execution.

A memory may also be provided in the processor 101 for storing instructions and data. In some embodiments, the memory in the processor is a cache memory that may hold instructions or data that have just been used or recycled by the processor. If the processor needs to reuse the instruction or data, it can be called directly from memory. Avoiding repeated accesses and reducing the latency of the processor, thereby increasing the efficiency of the system.

In some embodiments, the processor 101 may include an interface. The interface may include an integrated circuit (I2C) interface, an integrated circuit built-in audio (I2S) interface, a Pulse Code Modulation (PCM) interface, a universal asynchronous receiver/transmitter (UART) interface, a Mobile Industry Processor Interface (MIPI), a general-purpose input/output (GPIO) interface, a Subscriber Identity Module (SIM) interface, and/or a Universal Serial Bus (USB) interface, etc.

A communication line 102 for transmitting information between the processor 101 and the memory 103.

The memory 103 is used for storing and executing computer execution instructions and is controlled by the processor 101 to execute.

The memory 103 may be separate and coupled to the processor via the communication line 102. The memory 103 may be either volatile memory or nonvolatile memory, or may include both volatile and nonvolatile memory. The non-volatile memory may be a read-only memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an electrically Erasable EPROM (EEPROM), or a flash memory. Volatile memory can be Random Access Memory (RAM), which acts as external cache memory. By way of example, and not limitation, many forms of RAM are available, such as Static Random Access Memory (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), double data rate SDRAM (DDR SDRAM), Enhanced SDRAM (ESDRAM). It should be noted that the memory of the systems and devices described herein is intended to comprise, without being limited to, these and any other suitable types of memory.

A communication interface 104 for communicating with other devices or a communication network. The communication network may be an ethernet, a Radio Access Network (RAN), or a Wireless Local Area Network (WLAN), a Bluetooth (BT), a Global Navigation Satellite System (GNSS), a Frequency Modulation (FM), a Near Field Communication (NFC), an Infrared (IR), or the like.

The following describes a communication method provided by an embodiment of the present invention with reference to the communication system shown in fig. 1 and the communication device 100 shown in fig. 2.

As shown in fig. 3, a communication method provided in an embodiment of the present invention includes:

s301, the communication device 100 obtains the first signal strength.

Wherein the first signal strength is a signal strength between the communication device 100 and a network device of a current operator. Signal strength includes, but is not limited to, Reference Signal Received Power (RSRP), Reference Signal Received Quality (RSRQ), received signal strength indication (RSRI), signal to interference plus noise ratio (SINR).

Specifically, the communication device 100 periodically transmits a measurement instruction to the terminal 300. The terminal 300 starts measuring the signal strength with the network device of the current operator after receiving the measurement instruction. After the terminal completes the measurement, the measured first signal strength is sent to the communication device 100.

S302, the communication device 100 obtains the second signal strength when the first signal strength is smaller than the first threshold.

Wherein the first threshold may be set according to a signal strength type and a communication system type. For example, in the case where the signal strength is RSRP and the communication system is a Narrowband (NB) system, the first threshold may be set to-115 decibel-milliwatts (dBm). In the case where the signal strength is RSRP and the communication system is an LTE system, the first threshold may be set to-105 dBm.

The second signal strength is a signal strength between the terminal and a network device of an nth target operator, the target operator and the home operator are different operators, N is a positive integer, and an initial value of N is 1. For example, the home operator is mobile and the target operator is unicom and telecom.

Specifically, the communication device 100 sends the measurement instruction to the terminal 300 when the first signal strength is smaller than the first threshold (for example, the terminal home operator is connected, and the signal strength between the terminal and the connected network device is smaller than the first threshold). The terminal 300 starts to measure the signal strength with the nth target network device (e.g., measure the signal strength with the mobile network device) after receiving the measurement instruction. After the terminal completes the measurement, the measured second signal strength is sent to the communication device 100.

It should be noted that the first signal strength being less than the first threshold indicates that the terminal belongs to the operator and is not covered or poorly covered in the current area, and at this time, the terminal needs to use the network of another operator in order to enable the terminal to normally perform communication. Meanwhile, in order to determine that the networks of other operators can normally communicate, the signal strength between the terminal and the network equipment of other operators needs to be measured before the networks of other operators are used.

S303, the communication device 100 determines that the terminal performs the target operation when the second signal strength is greater than the second threshold.

Wherein the second threshold may be set according to a signal strength type. For example, in the case where the signal strength is RSR P and the communication system is a Narrowband (NB) system, the first threshold may be set to-105 dBm. In the case where the signal strength is RSRP and the communication system is an LTE system, the first threshold may be set to-95 dBm.

Specifically, the target operation includes:

and sending a first request to a code number server by using the pre-configured temporary code number of the Nth target operator, wherein the first request is used for requesting to acquire a formal code number of the Nth target operator.

And receiving the formal code number of the Nth target operator sent by the code number server.

And sending a registration request to the core network equipment of the Nth target operator by using the formal code number of the Nth target operator.

Specifically, the communication device 100 transmits an instruction to the terminal to cause the terminal to use the temporary code number (e.g., 139xx xxyyyy) of the N-th pre-configured target operator, when the second signal strength is greater than the second threshold. The temporary code number may be automatically generated by the terminal through a preset software/embedded subscriber identity module (eSIM) mode or the like. The terminal sends a first request to a code number server (also called a code number platform) (or sends the first request to the wireless access device, and the wireless access device routes the first request to the code number platform after identifying the temporary code number).

The code number server generates a formal code number (for example, 139 aaababbb) in a code number resource pool planned in advance according to the terminal information (used for representing what communication network the terminal supports, for example, whether the terminal supports a 5G communication network), the software and hardware version information and the user information (used for representing what communication network the user uses, for example, whether the user uses the 5G communication network) carried in the first request. The code number server sends the generated formal code number of the nth target operator to the terminal, and may also send information corresponding to the code number (e.g., International Mobile Subscriber Identity (IMSI), subscriber permanent identifier (SUPI), subscriber hidden identifier (SUCI), mobile station integrated services digital network number (MSISDN)) to the terminal. The code number server can also synchronize the corresponding relation between the terminal and the formal code number to the core network equipment of the target operator.

The terminal receives the formal code number of the Nth target operator sent by the code number server, then sends a registration request to the core network equipment of the Nth target operator by using the code number, and after the registration is successful, the terminal can use the code number for communication.

It will be appreciated that a formal code number is pre-configured compared to each terminal. The communication equipment in the embodiment of the invention enables the terminal to execute the target operation to acquire the formal code number only under the condition that the terminal needs to use the formal code number. Therefore, the number resource quantity required by the terminal can be saved, the number resource utilization rate is improved, and the number resource pool capacity is saved.

As can be seen from the foregoing S301-S303, in the embodiment of the present invention, when the terminal is in an area where the home operator is uncovered or has poor coverage (that is, the first signal strength is less than the first threshold), the terminal measures the signal strength (that is, the second signal strength) between the terminal and the network device of another operator, and when there is a coverage signal of another operator in the area (that is, the second signal strength is greater than the second threshold), the terminal obtains the formal code number of the operator through the temporary code number of the operator, so that the terminal uses the formal code number of the operator to perform communication, thereby solving the problem that the terminal cannot communicate in the area where the home operator is uncovered.

Referring to fig. 3, as shown in fig. 4, the communication method provided in the embodiment of the present invention may further include:

s304, the communication device 100 updates N to N +1 and obtains the second signal strength when the second signal strength is smaller than the second threshold and N is not equal to the third threshold.

And the third threshold is the number of the temporary code numbers preset by the terminal. For example, if the terminal presets the temporary code numbers of mobile and telecommunication, the third threshold is 2.

It should be noted that the second signal strength being less than the second threshold indicates that the coverage quality of the nth operator is poor or no coverage in the area, and the signal strength between the next terminal and the network device of the next operator needs to be measured. For example, the terminal presets the temporary code numbers of two target operators respectively. Wherein, the 1 st target operator is mobile, and the 2 nd target operator is connected. The signal strength between the terminal and the 1 st target operator is measured firstly, and if the signal strength meets a second threshold value, the terminal acquires a formal code number by using the temporary code number of the operator to carry out communication. If the second threshold value is not met, the signal strength between the terminal and the 2 nd target operator is measured, and if the second threshold value is met, the temporary code number of the operator is used for acquiring the formal code number for communication. If the second threshold is not satisfied, the signal strength with the 1 st target operator is measured again, and the process is repeated until the terminal can use the communication network.

S305, the communication device 100 updates N to 1 and acquires the second signal strength when the second signal strength is less than the second threshold and N is equal to the third threshold.

It should be noted that when the second signal strength is less than the second threshold and N is equal to the third threshold, it indicates that the operator corresponding to the last preset temporary code number cannot provide the communication service for the terminal. At this time, to measure the network device of the operator corresponding to the 1 st preset temporary code number of the terminal, N needs to be updated to 1.

S306, the communication device 100 determines that the terminal sends the second request to the code number server when the terminal is in the idle state and the first signal strength is greater than the fourth threshold.

Wherein the second request is for requesting to logout a formal code number of the nth operator. The fourth threshold may be the same as or different from the second threshold.

It is worth mentioning that the terminal is in an idle state and the first signal strength is greater than the fourth threshold, which indicates that the terminal is not currently communicating and that the home operator of the terminal has coverage in the current area. The terminal can then be made to reuse the home operator's code number to save communication costs. And sends a code number logout request to logout the code number of the nth operator. Compared with the situation that one formal code number can only be used by one terminal, the embodiment of the invention enables the formal code number to be returned to the code number resource pool again by recovering the formal code number under the condition that the terminal does not need to use the formal code number, so that the formal code number can be used by other terminals. Therefore, the number resource quantity required by the terminal can be saved, the number resource utilization rate is improved, and the number resource pool capacity is saved.

The scheme provided by the embodiment of the invention is mainly introduced from the perspective of a method. To implement the above functions, it includes hardware structures and/or software modules for performing the respective functions. Those of skill in the art will readily appreciate that the present invention can be implemented in hardware or a combination of hardware and computer software, with the exemplary elements and algorithm steps described in connection with the embodiments disclosed herein. Whether a function is performed as hardware or computer software drives hardware depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.

The communication device 100 according to the embodiment of the present invention may be divided into functional modules according to the above method, for example, each functional module may be divided corresponding to each function, or two or more functions may be integrated into one processing module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. It should be noted that, the division of the modules in the embodiment of the present invention is schematic, and is only a logic function division, and there may be another division manner in actual implementation.

An embodiment of the present invention provides a communication device 100, configured to perform the foregoing communication method, and as shown in fig. 5, the communication device 100 includes: a first acquisition unit 501, a second acquisition unit 502, a first determination unit 503.

A first obtaining unit 501, configured to obtain a first signal strength, where the first signal strength is a signal strength between the terminal and a network device of a home operator. For example, in conjunction with fig. 3, the first obtaining unit 501 may be configured to perform S301.

A second obtaining unit 502, configured to obtain a second signal strength when the first signal strength is smaller than the first threshold, where the second signal strength is a signal strength between the terminal and a network device of an nth target operator, the target operator and a home operator are different operators, and N is a positive integer. For example, in conjunction with fig. 3, the second obtaining unit 502 may be configured to perform S302.

A first determining unit 503, configured to determine that the terminal performs the target operation if the second signal strength is greater than the second threshold. For example, in conjunction with fig. 3, the first determining unit 503 may be configured to perform S303.

As shown in fig. 5, the communication device 100 may further include: a first updating unit 504, a second updating unit 505, and a second determining unit 506.

A first updating unit 504, configured to update N to N +1 and obtain the second signal strength if the second signal strength is less than the second threshold and N is not equal to the third threshold. For example, in conjunction with fig. 4, the first updating unit 504 may be configured to perform S304.

And a second updating unit 505, configured to update N to 1 and obtain the second signal strength if the second signal strength is less than the second threshold and N is equal to a third threshold, where an initial value of N is 1. For example, in conjunction with fig. 4, the second updating unit 505 may be configured to execute S305.

A second determining unit 506, configured to determine that the terminal sends a second request to the code number server when the terminal is in an idle state and the first signal strength is greater than a fourth threshold, where the second request is used to request to logout a formal code number of an nth operator. For example, in conjunction with fig. 4, the second determination unit 506 may be used to perform 506.

Specifically, as shown in fig. 2 and 5. The first acquisition unit 501, the second acquisition unit 502, the first determination unit 503, the first update unit 504, the second update unit 505, and the second determination unit 506 in fig. 5 call the program in the memory 103 via the communication line 102 by the processor 101 in fig. 2 to execute the above-described communication method.

It should be understood that, in various embodiments of the present invention, the sequence numbers of the above-mentioned processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation on the implementation process of the embodiments of the present invention.

In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When implemented using a software program, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. The processes or functions according to embodiments of the present invention occur, in whole or in part, when computer-executable instructions are loaded and executed on a computer. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored on a computer readable storage medium or transmitted from one computer readable storage medium to another computer readable storage medium, for example, the computer instructions may be transmitted from one website, computer, server, or data center to another website, computer, server, or data center via wire (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.). Computer-readable storage media can be any available media that can be accessed by a computer or can comprise one or more data storage devices, such as servers, data centers, and the like, that can be integrated with the media. The usable medium may be a magnetic medium (e.g., floppy disk, hard disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., Solid State Disk (SSD)), among others.

Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.

It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, devices and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.

In the embodiments provided by the present invention, it should be understood that the disclosed system, device and method can be implemented in other ways. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, a division of a unit is merely a logical division, and an actual implementation may have another division, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.

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

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

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A method of communication, comprising:

acquiring first signal strength, wherein the first signal strength is the signal strength between a terminal and network equipment of a home operator;

acquiring a second signal strength under the condition that the first signal strength is smaller than a first threshold value, wherein the second signal strength is the signal strength between the terminal and network equipment of an Nth target operator, the Nth target operator and the home operator are different operators, and N is a positive integer;

determining that the terminal executes a target operation under the condition that the second signal strength is greater than a second threshold value;

the target operation comprises:

sending a first request to a server by using the pre-configured temporary code number of the Nth target operator, wherein the first request is used for requesting to acquire a formal code number of the Nth target operator;

receiving a formal code number of the Nth target operator sent by the server;

and sending a registration request to the core network equipment of the Nth target operator by using the formal code number of the Nth target operator, wherein the registration request is used for requesting to register the communication network of the Nth target operator.

2. The communication method according to claim 1, further comprising:

and under the condition that the second signal strength is smaller than the second threshold value and N is not equal to a third threshold value, updating N to be N +1 and acquiring the second signal strength.

3. The communication method according to claim 1 or 2, characterized in that the communication method further comprises:

and updating N to be 1 and acquiring the second signal strength under the condition that the second signal strength is smaller than a second threshold value and N is equal to a third threshold value, wherein the initial value of N is 1.

4. The communication method according to claim 3, further comprising:

and under the condition that the terminal is in an idle state and the first signal strength is greater than a fourth threshold value, determining that the terminal sends a second request to the server, wherein the second request is used for requesting to logout a formal code number of the Nth operator.

5. A communication device, comprising: the device comprises a first acquisition unit, a second acquisition unit and a first determination unit;

the first obtaining unit is configured to obtain a first signal strength, where the first signal strength is a signal strength between the terminal and a network device of a home operator;

the second obtaining unit is configured to obtain a second signal strength when the first signal strength is smaller than a first threshold, where the second signal strength is a signal strength between the terminal and a network device of an nth target operator, the nth target operator and the home operator are different operators, and N is a positive integer;

a first determining unit, configured to determine that the terminal performs a target operation when the second signal strength is greater than a second threshold;

the target operation comprises:

receiving a formal code number of the Nth target operator sent by the server;

6. The communication device of claim 5, further comprising: a first update unit;

the first updating unit is configured to update N to N +1 and obtain the second signal strength when the second signal strength is smaller than the second threshold and N is not equal to a third threshold.

7. The communication device according to claim 5 or 6, characterized in that the communication device further comprises: a second updating unit;

the second updating unit is configured to update N to 1 and obtain the second signal strength if the second signal strength is less than a second threshold and N is equal to a third threshold, where an initial value of N is 1.

8. The communication device of claim 7, further comprising: a second determination unit;

the second determining unit is configured to determine that the terminal sends a second request to the server when the terminal is in an idle state and the first signal strength is greater than a fourth threshold, where the second request is used to request to logout a formal code number of the nth operator.

9. A terminal, characterized in that the terminal comprises: one or more processors, and a memory;

the memory is coupled with the one or more processors; the memory is configured to store computer program code comprising instructions which, when executed by the one or more processors, cause the terminal to perform the communication method of any of claims 1-4.

10. A computer-readable storage medium comprising instructions that, when executed on a terminal, cause the terminal to perform the communication method of any one of claims 1-4.