WO2023045776A1 - 归属公共陆地移动网络标识的修正方法及设备 - Google Patents

归属公共陆地移动网络标识的修正方法及设备 Download PDF

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Publication number
WO2023045776A1
WO2023045776A1 PCT/CN2022/117926 CN2022117926W WO2023045776A1 WO 2023045776 A1 WO2023045776 A1 WO 2023045776A1 CN 2022117926 W CN2022117926 W CN 2022117926W WO 2023045776 A1 WO2023045776 A1 WO 2023045776A1
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mnc
hplmn
plmn
length
bits
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English (en)
French (fr)
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倪金金
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Spreadtrum Communications Shanghai Co Ltd
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Spreadtrum Communications Shanghai Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
    • H04W8/186—Processing of subscriber group data

Definitions

  • the embodiment of the present application relates to the field of mobile communication technologies, and in particular to a method and device for modifying a home public land mobile network (Home PLMN, HPLMN for short) identification.
  • Home PLMN home public land mobile network
  • the user equipment In the mobile communication system, in some specific scenarios, the user equipment (User Equipment, referred to as UE) needs to obtain the International Mobile Subscriber Identity (IMSI for short) from the Subscriber Identity Module (Subscriber Identity Model, referred to as SIM) card. ) to get the HPLMN ID.
  • IMSI International Mobile Subscriber Identity
  • SIM Subscriber Identity Module
  • HPLMN identification (also known as HPLMN ID) includes two parts: Mobile Country Code (MCC) and Mobile Network Code (MNC).
  • MCC Mobile Country Code
  • MNC Mobile Network Code
  • the length of MCC is fixed at 3 digits (valid value is 0-9);
  • the effective length of MNC is 2 or 3 digits.
  • the third digit MNC3 of MNC is 0xF.
  • MNC3 is a number from 0 to 9. Wherein, whether the effective length of the MNC is 2 or 3 is usually determined according to the MNC length indication information of the HPLMN in the EF AD file of the SIM card.
  • the MNC length indication information of the HPLMN in the EF AD file of the SIM card may be missing or wrong, which will cause the UE to be unable to obtain the accurate HPLMN identity, and then cause the UE to use the HPLMN in some situations. An error occurred in the identified scene.
  • the embodiment of the present application provides a method and device for correcting the HPLMN logo, which can solve the technical problem that the UE may not be able to accurately obtain the HPLMN logo when the MNC length indication information of the HPLMN in the SIM card EF AD file is missing or wrong. .
  • the embodiment of the present application provides a method for revising the HPLMN logo, the method comprising:
  • the UE After the UE is powered on, obtain the MNC length indication information of the HPLMN in the SIM card, and determine whether the MNC length indication information is valid;
  • the MNC length indication information When the MNC length indication information is invalid, obtain the first two digits and MCC of the MNC corresponding to the HPLMN, and obtain the PLMN stored in the memory of the UE and/or the SIM card, and determine the first two digits and the MCC of the MNC in each PLMN The first PLMN where the MCC is the same as the HPLMN;
  • the acquiring the MNC length indication information of the HPLMN in the SIM card, and determining whether the MNC length indication information is valid includes:
  • the determining the HPLMN identifier corresponding to the HPLMN according to the MNC length of the first PLMN includes:
  • the determining the HPLMN identifier corresponding to the HPLMN according to the MNC length of the first PLMN includes:
  • the first target value is the same as the third bit of the MNC of any one of the first PLMNs, then determine that the effective length of the MNC identified by the HPLMN is 3 bits, and set the third bit of the MNC in the HPLMN ID is the first target value;
  • the first target value is different from the third bit of the MNC of each of the first PLMNs, then determine that the effective length of the MNC identified by the HPLMN is 2 bits, and set the third bit of the MNC in the HPLMN ID Set to 0xF.
  • each PLMN stored in the UE and/or the SIM card further includes:
  • the first PLMN determines that the effective length of the MNC identified by the HPLMN is 2 bits, and set the third bit of the MNC in the HPLMN ID to 0xF.
  • each candidate PLMN corresponding to the current network environment if the MNC length indication information is invalid, and the currently determined effective length of the MNC identified by the HPLMN is 2 bits, then determine each candidate PLMN Whether there is a second PLMN whose first two digits of MCC and MNC are the same as the HPLMN in the PLMN;
  • the second PLMN When there is the second PLMN whose MNC length is 3 bits, determine the second target value of the third bit of the MNC in the HPLMN identifier according to the IMSI of the SIM card; If the value of the third bit of the MNC of the second PLMN is the same, then it is determined that the effective length of the MNC identified by the HPLMN is 3 bits, and the third bit of the MNC in the HPLMN ID is set as the second target value; if If the second target value is different from the third digit of the MNC of each second PLMN, then keep the MNC in the HPLMN identifier unchanged.
  • the UE After the UE finds out each candidate PLMN corresponding to the current network environment, if the MNC length indication information is valid, and the MNC length indication information indicates that the effective length of the MNC identified by the HPLMN is 2 bits, then determine the Whether there is a third PLMN whose first two digits of MCC and MNC are the same as the HPLMN in each candidate PLMN;
  • the third PLMN determines the third target value of the third bit of the MNC in the HPLMN identifier according to the IMSI of the SIM card, if The third target value is the same as the third bit of the MNC of any one of the third PLMN, then it is determined that the effective length of the MNC identified by the HPLMN is 3 bits, and the third bit of the MNC in the HPLMN ID is set to said third target value;
  • the embodiment of the present application provides a device for correcting the identification of the home public land mobile network, the device includes:
  • the judging module is used to obtain the MNC length indication information of the HPLMN in the SIM card after the UE is turned on, and determine whether the MNC length indication information is valid;
  • a search module configured to obtain the first two digits and the MCC of the MNC corresponding to the HPLMN when the MNC length indication information is invalid, and obtain the PLMN stored in the memory of the UE and/or the SIM card, and determine the MNC in each PLMN The first two digits and the first PLMN whose MCC is the same as the HPLMN;
  • a processing module configured to determine the HPLMN identifier corresponding to the HPLMN according to the MNC length of the first PLMN.
  • an embodiment of the present application provides a user equipment, including: at least one processor and a memory;
  • the memory stores computer-executable instructions
  • the at least one processor executes the computer-executed instructions stored in the memory, so that the at least one processor executes the HPLMN identification correction method provided in the first aspect.
  • the embodiment of the present application provides a computer-readable storage medium, the computer-readable storage medium stores computer-executable instructions, and when the processor executes the computer-executable instructions, the HPLMN as provided in the first aspect is implemented.
  • the correction method for the logo is implemented.
  • the embodiment of the present application provides a computer program product, including a computer program.
  • the computer program is executed by a processor, the HPLMN identification correction method provided in the first aspect is implemented.
  • the method and equipment for correcting the HPLMN identification provided by the embodiment of the present application can correct the effective length of the MNC in the HPLMN identification according to the existing PLMN information when the MNC length indication information of the HPLMN in the SIM card EF AD file is missing or wrong , so that the UE can accurately obtain the HPLMN identity.
  • FIG. 1 is a schematic structural diagram of a wireless communication system provided in an embodiment of the present application
  • FIG. 2 is a schematic flowchart of a HPLMN identification correction method provided in the embodiment of the present application
  • FIG. 3 is a schematic flowchart of another HPLMN identification correction method provided in the embodiment of the present application.
  • FIG. 4 is a schematic flowchart of another HPLMN identification correction method provided in the embodiment of the present application.
  • FIG. 5 is a schematic diagram of program modules of a HPLMN identification correction device provided in the embodiment of the present application.
  • FIG. 6 is a schematic diagram of a hardware structure of a user equipment provided in an embodiment of the present application.
  • module refers to any known or later developed hardware, software, firmware, artificial intelligence, fuzzy logic or combination of hardware and/or software codes capable of performing the functions associated with the element.
  • Embodiments of the present application can be applied to various communication systems, such as: Global System of Mobile communication (GSM) system, Code Division Multiple Access (CDMA) system, Wideband Code Division Multiple Access (Wideband Code Division Multiple Access (WCDMA) system, Long Term Evolution (LTE) system, Advanced long term evolution (LTE-A) system, New Radio (NR) system, evolution system of NR system , LTE (LTE-based access to unlicensed spectrum, LTE-U) system on the license-free spectrum, NR (NR-based access to unlicensed spectrum, NR-U) system on the license-free spectrum, Universal Mobile Communication System (Universal Mobile Telecommunication System, UMTS) and so on.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • LTE Long Term Evolution
  • LTE-A Advanced long term evolution
  • NR New Radio
  • evolution system of NR system LTE (LTE-based access to unlicensed spectrum, LTE-U) system on the license
  • FIG. 1 is a schematic structural diagram of a wireless communication system provided by an embodiment of the present application.
  • the wireless communication system provided in this embodiment includes a UE 101 and a network device 102 .
  • UE101 may be various forms of user equipment, access terminal, subscriber unit, subscriber station, mobile station, mobile station (mobile station, MS for short), remote station, remote terminal, mobile device, terminal equipment (terminal equipment), wireless communication equipment, user agent or user device.
  • It can also be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a personal digital assistant (PDA), a wireless communication Functional handheld devices, computing devices or other processing devices connected to wireless modems, vehicle-mounted devices, wearable devices, terminal devices in the future 5G network or future evolution of the Public Land Mobile Network (PLMN)
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA personal digital assistant
  • PLMN Public Land Mobile Network
  • the network device 102 is the public mobile communication network device, which is the interface device for UE101 to access the Internet, and is also a form of radio station, which refers to a radio transceiver station that transmits information with UE101 in a certain radio coverage area , including a base station (Base Station, BS for short), which can also be called a base station device, is a device deployed in a radio access network (Radio Access Network, RAN) to provide wireless communication functions.
  • BS Base Station
  • RAN Radio Access Network
  • the equipment that provides base station functions in the 2G network includes Base Transceiver Station (BTS for short), the equipment that provides base station functions in the 3G network includes Node B (NodeB), and the equipment that provides base station functions in the 4G network includes Evolution
  • the Node B evolved NodeB, eNB
  • WLAN wireless Local Area Networks
  • the device that provides the function of the base station is the access point (Access Point, referred to as the AP)
  • E-UTRA Evolved Universal Terrestrial Radio
  • the public land mobile network refers to the network established and operated by the network operator to provide land mobile communication services for the public.
  • PLMN public land mobile network
  • the UE usually uses a network reselection method for reselection. For example, the mobile terminal searches for the HPLMN identifier according to the pre-stored information in the SIM card.
  • the HPLMN logo usually includes two parts, MCC and MNC, and the length of MCC is fixed at 3 digits (valid value is 0-9); the effective length of MNC is 2 or 3 digits, when the effective length of MNC is 2 digits, The value of the third bit MNC3 of the MNC is 0xF, and when the effective length of the MNC is 3 bits, the value of the MNC3 is a number from 0 to 9.
  • the MNC effective length of a certain HPLMN is 2 digits
  • the MCC is 460
  • the first two digits of the MNC are 0, then its corresponding HPLMN identification is 460 00F
  • the MNC effective length of a certain HPLMN is 3 digits
  • the MCC’s 3 digits It is 310
  • the 3 digits of MNC are 016, so it corresponds to HPLMN identification as 310 016.
  • whether the effective length of the MNC is 2 or 3 is usually determined according to the elementary file (Elementary File, EF for short) prestored in the SIM card.
  • the effective length of the MNC is 2 bits or 3 bits can be determined according to the MNC length indication information of the HPLMN in the EF AD file pre-stored in the SIM card.
  • the EF AD file is an Administrative Data file in the SIM card, which indicates some information corresponding to the current SIM card, and the fourth byte is used to indicate the effective length of the MNC in the IMSI.
  • the MNC length indication information of the HPLMN in the above EF AD file may be missing or wrong, which will cause the UE to be unable to obtain the accurate HPLMN identity, which will cause the UE to use the HPLMN identity in some scenarios. Errors occur, such as network selection, air interface interaction, NV configuration file loading and other scenarios.
  • the embodiment of the present application provides a method for correcting the HPLMN identification.
  • the HPLMN can be corrected according to the existing PLMN information.
  • the effective length of the MNC in the identification so that the UE can accurately obtain the HPLMN identification.
  • FIG. 2 is a schematic flowchart of a HPLMN identification correction method provided in an embodiment of the present application.
  • the method includes:
  • the UE after the UE is powered on, obtain the EF AD file in the SIM card, and determine whether the MNC length indication byte in the EF AD file is missing; when the MNC length indication byte is not missing, and the When the MNC length indicated by the MNC length indication byte is correct (indicating number 2 or 3), it is determined that the above MNC length indication information is valid; when the MNC length indication byte is missing, or the MNC length indication byte is not missing, but the MNC length When the MNC length indicated by the indication byte is wrong (the indication number is neither 2 nor 3), it is determined that the MNC length indication information is invalid.
  • the above-mentioned MNC length indication byte is the fourth byte in the EF AD file, and is used to indicate the effective length of the MNC.
  • the above-mentioned SIM card is also called a user identification card or a smart card, which is a communication module provided by the network operator to the user according to the user's request, so that the network user can use the data on the SIM card and the communication circuit to realize communication with the operator's network.
  • Network communication so as to realize the network communication service application of terminal equipment.
  • SIM card may include SIM cards of various specifications and standards, which are not limited in this embodiment of the application, as long as the user can be identified according to the information of the SIM card.
  • the above-mentioned SIM card can be a common SIM card, or a Universal Subscriber Identity Module (USIM card); on the size of the card, the above-mentioned SIM card can be a standard SIM card with a size of 25mm * 15mm, It can also be a small SIM card (ie Micro SIM) with a size of 12mmx15mm, or a micro SIM card (ie Nano SIM) with a size of 12mmx9mm.
  • a standard SIM card with a size of 25mm * 15mm
  • It can also be a small SIM card (ie Micro SIM) with a size of 12mmx15mm
  • a micro SIM card ie Nano SIM
  • the above-mentioned SIM card can be a SIM card applied to a second generation mobile communication technology (2nd generation, 2G) network, a SIM card applied to a third generation mobile communication technology (3rd generation, 3G) network (such as a USIM card), or a SIM card applied to a fourth-generation mobile communication technology (4th generation, 4G) network, or a SIM card applied to a fifth-generation mobile communication technology (5th generation, 5G) network.
  • 2nd generation, 2G second generation mobile communication technology
  • 3rd generation, 3G such as a USIM card
  • 4th generation, 4G fourth-generation mobile communication technology
  • 5th generation, 5G fifth-generation mobile communication technology
  • the three digits of the MCC of the HPLMN and the first two digits of the MNC are obtained from the IMSI of the SIM card. Then obtain the PLMN in the NV file stored in the memory of the UE, and/or the PLMN stored in the SIM card.
  • the above-mentioned PLMN includes at least one of the following types:
  • RPLMN Registered PLMN, registered PLMN
  • PLMN the PLMN registered by the UE before the last shutdown or offline.
  • EPLMN Equivalent PLMN, peer-to-peer PLMN
  • PLMN PLMN at the same status as the PLMN currently selected by the UE.
  • EHPLMN Equivalent Home PLMN, Equivalent Home PLMN
  • a home PLMN that is at the same status as the PLMN currently selected by the UE.
  • UPLMN User Controlled PLMN, User Controlled PLMN
  • the parameters stored on the USIM card for PLMN selection are stored on the USIM card for PLMN selection.
  • OPLMN Operaator Controlled PLMN, operator controls PLMN
  • a parameter related to PLMN selection stored on the USIM card a parameter related to PLMN selection stored on the USIM card.
  • FPLMN Forward PLMN, forbidden PLMN
  • the PLMN that is forbidden to visit usually after the UE tries to access a PLMN and is rejected, it will be added to this list.
  • the MCC of the above-mentioned HPLMN is 460, and the first two digits of the MNC are 00. If the MCC of a certain PLMN obtained is 460, and the first two digits of the MNC are also 00, the PLMN can be determined as the first PLMN .
  • the effective length of the MNC corresponding to the HPLMN can be determined according to the MNC length of the first PLMN, and then the HPLMN identifier corresponding to the HPLMN can be determined.
  • the method and equipment for correcting the HPLMN identification provided by the embodiment of the present application can correct the effective length of the MNC in the HPLMN identification according to the existing PLMN information when the MNC length indication information of the HPLMN in the SIM card EF AD file is missing or wrong , so that the UE can accurately obtain the HPLMN identity.
  • FIG. 3 is a schematic flowchart of another HPLMN identification correction method provided in the embodiments of the present application.
  • the method includes:
  • S303 Determine whether there is a first PLMN in each PLMN that has the same first two digits of the MNC and the same MCC as the above-mentioned HPLMN. If it exists, continue to execute S304; if not, execute S308.
  • S304 Determine the MNC length of each first PLMN. If the MNC length of each first PLMN is 2 bits, then execute S308; if the MNC length of each first PLMN is 3 bits, then execute S305; If the MNC length of a PLMN is 3 bits, execute S306 and S307.
  • S305 Determine that the effective length of the MNC of the HPLMN identifier is 3 bits, and determine the value of the third bit of the MNC in the HPLMN identifier according to the IMSI of the SIM card.
  • S306. Determine the first target value of the third digit of the MNC in the HPLMN identifier according to the IMSI of the SIM card.
  • the method and device for correcting the HPLMN identification can obtain the PLMN stored in the UE and/or the SIM card when the MNC length indication information of the HPLMN in the SIM card EF AD file is missing or wrong, and then determine each PLMN
  • the first two digits of the MNC and the first PLMN whose MCC is the same as the HPLMN can accurately determine the effective length of the MNC in the HPLMN identifier corresponding to the HPLMN according to the MNC length of the first PLMN, so that the UE can accurately obtain the HPLMN identifier.
  • FIG. 4 is a schematic flowchart of another HPLMN identification correction method provided in the embodiments of the present application.
  • the method includes:
  • the UE finds out each candidate PLMN corresponding to the current network environment.
  • the access layer when the UE triggers the network selection procedure, the access layer will report the PLMNs found in the current environment, and these PLMNs are candidate PLMNs for the UE.
  • S402. Determine whether the MNC length indication information of the HPLMN is valid. If invalid, continue to execute S403, and if valid, execute S4010 to S4016.
  • S404 Determine whether there is a second PLMN whose first two digits of the MCC and MNC are the same as the HPLMN in each candidate PLMN. If yes, continue to execute S405; if not, execute S409.
  • S405. Determine the MNC length of each second PLMN. If the MNC length of each second PLMN is 2 bits, execute S409; if there is a second PLMN whose MNC length is 3 bits, continue to execute S406 and S407.
  • S406. Determine the second target value of the third digit of the MNC in the HPLMN identifier according to the IMSI of the SIM card.
  • S4010 Determine the effective length of the MNC identified by the currently determined HPLMN. If the currently determined effective MNC length of the HPLMN identifier is 2 digits, continue to execute S4011; if the currently determined MNC effective length of the HPLMN identifier is 3 digits, execute S4016.
  • S4011 Determine whether there is a third PLMN whose first two digits of the MCC and MNC are the same as the HPLMN among each candidate PLMN. If yes, continue to execute S4012; if not, execute S4016.
  • S4012 Determine the MNC length of each third PLMN. If the MNC length of each third PLMN is 3 bits, continue to execute S4013; if there is a third PLMN whose MNC length is 2 bits, execute S4016.
  • the UE can automatically correct the effective length of the MNC in the HPLMN when the MNC length indication byte of the HPLMN in the EF AD file of the SIM card is missing or indicates an error, thereby ensuring that the UE can Obtain the correct HPLMN to avoid errors in subsequent functions and services of the UE.
  • FIG. 5 is a schematic diagram of a program module of a correction device for an HPLMN mark provided in an embodiment of the present application.
  • the correction device for the HPLMN mark includes:
  • the judging module 501 is configured to obtain the MNC length indication information of the HPLMN in the SIM card after the UE is turned on, and determine whether the MNC length indication information is valid.
  • the search module 502 is configured to obtain the first two digits and the MCC of the MNC corresponding to the HPLMN when the above MNC length indication information is invalid, and obtain the PLMN stored in the memory of the UE and/or the SIM card, and determine each PLMN The first two digits of the MNC and MCC are the same as the first PLMN of the HPLMN.
  • the processing module 503 is configured to determine the HPLMN identifier corresponding to the HPLMN according to the MNC length of the first PLMN.
  • the HPLMN logo correction method device provided in the embodiment of the present application, when the MNC length indication information of the HPLMN in the SIM card EF AD file is missing or wrong, the effective length of the MNC in the HPLMN logo can be corrected according to the existing PLMN information, Therefore, the UE can accurately obtain the HPLMN identity.
  • the judging module 501 is specifically used to:
  • the MNC length indication byte is not missing and the MNC length indicated by the MNC length indication byte is correct, it is determined that the MNC length indication information is valid.
  • processing module 503 is specifically configured to:
  • the MNC length of each of the first PLMNs is 2 bits
  • the effective length of the MNC of the HPLMN identifier is 2 bits
  • the third bit of the MNC in the HPLMN identifier is set to 0xF.
  • processing module 503 is specifically further configured to:
  • the first target value is the same as the third bit of the MNC of any one of the first PLMNs, then determine that the effective length of the MNC identified by the HPLMN is 3 bits, and set the third bit of the MNC in the HPLMN ID is the first target value.
  • the first target value is different from the third bit of the MNC of each of the first PLMNs, then determine that the effective length of the MNC identified by the HPLMN is 2 bits, and set the third bit of the MNC in the HPLMN ID Set to 0xF.
  • processing module 503 is specifically further configured to:
  • the first PLMN determines that the effective length of the MNC identified by the HPLMN is 2 bits, and set the third bit of the MNC in the HPLMN ID to 0xF.
  • processing module 503 is specifically further configured to:
  • each candidate PLMN corresponding to the current network environment if the MNC length indication information is invalid, and the currently determined effective length of the MNC identified by the HPLMN is 2 bits, then determine each candidate PLMN Whether there is a second PLMN whose first two digits of MCC and MNC are the same as the HPLMN in the PLMN.
  • the second PLMN When there is the second PLMN whose MNC length is 3 bits, determine the second target value of the third bit of the MNC in the HPLMN identifier according to the IMSI of the SIM card; If the value of the third bit of the MNC of the second PLMN is the same, then it is determined that the effective length of the MNC identified by the HPLMN is 3 bits, and the third bit of the MNC in the HPLMN ID is set as the second target value; if If the second target value is different from the third digit of the MNC of each second PLMN, then keep the MNC in the HPLMN identifier unchanged.
  • processing module 503 is specifically further configured to:
  • the UE After the UE finds out each candidate PLMN corresponding to the current network environment, if the MNC length indication information is valid, and the MNC length indication information indicates that the effective length of the MNC identified by the HPLMN is 2 bits, then determine the Whether there is a third PLMN whose first two digits of the MCC and MNC are the same as the HPLMN in each candidate PLMN.
  • the third PLMN determines the third target value of the third bit of the MNC in the HPLMN identifier according to the IMSI of the SIM card, if The third target value is the same as the third bit of the MNC of any one of the third PLMN, then it is determined that the effective length of the MNC identified by the HPLMN is 3 bits, and the third bit of the MNC in the HPLMN ID is set to The third target value.
  • the device for correcting the above-mentioned HPLMN identification may be a chip or a chip module.
  • modules contained in the HPLMN identification correcting device may be software modules or hardware modules, or may be partly software modules and partly hardware modules.
  • each module contained therein may be realized by hardware such as a circuit, or at least some modules may be realized by a software program, and the software program runs inside the chip.
  • the remaining (if any) modules can be realized by means of hardware such as circuits; for each device or product applied to or integrated in a chip module, each module contained in it can be realized by means of hardware such as circuits , different modules can be located in the same component (such as chip, circuit module, etc.) device, the remaining (if any) modules can be realized by means of hardware such as circuits; for each device or product applied to or integrated in the terminal, all the modules contained in it can be realized by means of hardware such as circuits, and different modules can be located in the terminal In the same component (for example, chip, circuit module, etc.) or different components, or at least some of the modules can be implemented in the form of a software program, the software program runs on the processor integrated in the terminal, and the remaining (if any) part of the modules can be implemented It is realized by means of hardware such as circuits.
  • the embodiments of the present application also provide a UE, the user equipment includes at least one processor and a memory; wherein, the memory stores computer-executable instructions; the above-mentioned at least one processor executes The computer stored in the memory executes the instructions, so as to implement the steps performed by the UE in the foregoing embodiments, which will not be repeated here in this embodiment.
  • FIG. 6 is a schematic diagram of a hardware structure of a user equipment provided in the embodiment of the present application.
  • the user equipment 60 in this embodiment includes: a processor 601 and a memory 602; where:
  • memory 602 for storing computer-executable instructions
  • the processor 601 is configured to execute the computer-executable instructions stored in the memory, so as to implement each step of the method for correcting the HPLMN identifier described in the above-mentioned embodiments.
  • the processor 601 is configured to execute the computer-executable instructions stored in the memory, so as to implement each step of the method for correcting the HPLMN identifier described in the above-mentioned embodiments.
  • the memory 602 can be independent or integrated with the processor 601 .
  • the device When the memory 602 is set independently, the device further includes a bus 603 for connecting the memory 602 and the processor 601 .
  • the embodiments of the present application also provide a computer-readable storage medium, the computer-readable storage medium stores computer-executable instructions, and when the processor executes the computer-executable Instructing, each step of the method for correcting the HPLMN identifier described in the foregoing embodiments may be implemented.
  • the processor executes the computer-executable Instructing, each step of the method for correcting the HPLMN identifier described in the foregoing embodiments may be implemented.
  • the embodiments of the present application also provide a computer program product, including a computer program.
  • the computer program is executed by a processor, the HPLMN identification described in the above-mentioned embodiments can be realized.
  • specific reference may be made to the description in the foregoing embodiments, and details will not be repeated in the embodiments of the present application.
  • the disclosed devices and methods may be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the modules is only a logical function division. In actual implementation, there may be other division methods, for example, multiple modules can be combined or integrated. to another system, or some features may be ignored, or not implemented.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or modules may be in electrical, mechanical or other forms.
  • modules described as separate components may or may not be physically separated, and the components shown as modules may or may not be physical units, that is, they may be located in one place, or may be distributed to multiple network units. Part or all of the modules can be selected according to actual needs to achieve the purpose of the solution of this embodiment.
  • each functional module in each embodiment of the present application may be integrated into one processing unit, each module may exist separately physically, or two or more modules may be integrated into one unit.
  • the integrated units of the above modules can be implemented in the form of hardware, or in the form of hardware plus software functional units.
  • the above-mentioned integrated modules implemented in the form of software function modules can be stored in a computer-readable storage medium.
  • the above-mentioned software functional modules are stored in a storage medium, and include several instructions to enable a computer device (which may be a personal computer, server, or network device, etc.) or a processor (English: processor) to execute the functions described in various embodiments of the present application. part of the method.
  • processor can be a central processing unit (English: Central Processing Unit, referred to as: CPU), and can also be other general-purpose processors, digital signal processors (English: Digital Signal Processor, referred to as: DSP), application-specific integrated circuits (English: Application Specific Integrated Circuit, referred to as: ASIC), etc.
  • a general-purpose processor may be a microprocessor, or the processor may be any conventional processor, or the like. The steps of the method disclosed in conjunction with the application can be directly implemented by a hardware processor, or implemented by a combination of hardware and software modules in the processor.
  • the storage may include a high-speed RAM memory, and may also include a non-volatile storage NVM, such as at least one disk storage, and may also be a U disk, a mobile hard disk, a read-only memory, a magnetic disk, or an optical disk.
  • NVM non-volatile storage
  • the bus may be an Industry Standard Architecture (Industry Standard Architecture, ISA) bus, a Peripheral Component Interconnect (PCI) bus, or an Extended Industry Standard Architecture (Extended Industry Standard Architecture, EISA) bus, etc.
  • ISA Industry Standard Architecture
  • PCI Peripheral Component Interconnect
  • EISA Extended Industry Standard Architecture
  • the bus can be divided into address bus, data bus, control bus and so on.
  • the buses in the drawings of the present application are not limited to only one bus or one type of bus.
  • the above-mentioned storage medium can be realized by any type of volatile or non-volatile storage device or their combination, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable In addition to programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic disk or optical disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read-only memory
  • EPROM programmable read-only memory
  • ROM read-only memory
  • magnetic memory magnetic memory
  • flash memory magnetic disk or optical disk.
  • a storage media may be any available media that can be accessed by a general purpose or special purpose computer.
  • An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium.
  • the storage medium may also be a component of the processor.
  • the processor and the storage medium may be located in Application Specific Integrated Circuits (ASIC for short).
  • ASIC Application Specific Integrated Circuits
  • the processor and the storage medium can also exist in the electronic device or the main control device as discrete components.
  • the aforementioned program can be stored in a computer-readable storage medium.
  • the program executes the steps including the above-mentioned method embodiments; and the aforementioned storage medium includes: ROM, RAM, magnetic disk or optical disk and other various media that can store program codes.

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Abstract

本申请实施例提供一种归属公共陆地移动网络标识的修正方法及设备，方法包括：在UE开机后，获取SIM卡中HPLMN的MNC长度指示信息；当MNC长度指示信息无效时，获取HPLMN对应的MNC的前两位和MCC，以及获取UE的存储器和/或SIM卡中存储的PLMN，并确定各个PLMN中MCC和MNC的前两位与HPLMN相同的第一PLMN；根据第一PLMN的MNC长度，确定HPLMN对应的HPLMN标识。本申请实施例中，当HPLMN的MNC长度指示信息无效时，可以根据已有的PLMN信息，来修正HPLMN标识中MNC的有效长度，从而使UE可以准确获取到HPLMN标识。

Description

归属公共陆地移动网络标识的修正方法及设备
本申请要求于2021年09月23日提交中国专利局、申请号为202111117169.1、申请名称为“归属公共陆地移动网络标识的修正方法及设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请实施例涉及移动通信技术领域，尤其涉及一种归属公共陆地移动网络(Home PLMN，简称HPLMN)标识的修正方法及设备。
背景技术
在移动通信系统中，用户设备(User Equipment，简称UE)在一些特定的场景下，需要从用户识别模块(Subscriber Identity Model，简称SIM)卡的国际移动用户识别码(International Mobile Subscriber Identity，简称IMSI)中获取HPLMN标识。
HPLMN标识(又称HPLMN ID)包含移动国家代码(Mobile Country Code，MCC)和移动网络代码(Mobile Network Code，MNC)两部分，MCC的长度固定为3位数字(有效值为0-9)；MNC的有效长度为2位或3位，当MNC的有效长度为2位时，MNC的第三位MNC3为0xF，当MNC的有效长度为3位时，MNC3为0-9的数。其中，MNC的有效长度取2位还是取3位通常是按照SIM卡EF AD文件中HPLMN的MNC长度指示信息来决定。
然而，在实际应用中，SIM卡EF AD文件中HPLMN的MNC长度指示信息可能会存在缺失或错误的情况，由此便会导致UE无法获取到准确的HPLMN标识，进而导致UE在一些需要使用HPLMN标识的场景出现错误。
发明内容
本申请实施例提供一种HPLMN标识的修正方法及设备，可以解决现有技术中当SIM卡EF AD文件中HPLMN的MNC长度指示信息缺失或错误时，UE可能无法准确获取到HPLMN标识的技术问题。
第一方面，本申请实施例提供一种HPLMN标识的修正方法，该方法 包括：
在UE开机后，获取SIM卡中HPLMN的MNC长度指示信息，并确定所述MNC长度指示信息是否有效；
当所述MNC长度指示信息无效时，获取HPLMN对应的MNC的前两位和MCC，以及获取UE的存储器和/或所述SIM卡中存储的PLMN，并确定各个PLMN中MNC的前两位和MCC与HPLMN相同的第一PLMN；
根据所述第一PLMN的MNC长度，确定所述HPLMN对应的HPLMN标识。
在一种可行的实施方式中，所述获取SIM卡中HPLMN的MNC长度指示信息，并确定所述MNC长度指示信息是否有效，包括：
获取SIM卡中的EF AD文件，确定所述EF AD文件中的MNC长度指示字节是否缺失；
当所述MNC长度指示字节未缺失、且所述MNC长度指示字节指示的MNC长度正确时，确定所述MNC长度指示信息有效；
当所述MNC长度指示字节缺失，或者所述MNC长度指示字节未缺失、且所述MNC长度指示字节指示的MNC长度错误时，确定所述MNC长度指示信息无效。
在一种可行的实施方式中，所述根据所述第一PLMN的MNC长度，确定所述HPLMN对应的HPLMN标识，包括：
当各个所述第一PLMN的MNC长度均为2位时，确定所述HPLMN标识的MNC有效长度为2位，并将所述HPLMN标识中MNC的第三位设置为0xF；
当各个所述第一PLMN的MNC长度均为3位时，确定所述HPLMN标识的MNC有效长度为3位，并根据所述SIM卡的IMSI确定所述HPLMN标识中MNC的第三位的值。
在一种可行的实施方式中，所述根据所述第一PLMN的MNC长度，确定所述HPLMN对应的HPLMN标识，包括：
当存在一部分所述第一PLMN的MNC长度为2位，另一部分所述第一PLMN的MNC长度为3位时，根据所述SIM卡的IMSI确定所述HPLMN标识中MNC的第三位的第一目标值；
若所述第一目标值与任意一个所述第一PLMN的MNC的第三位相同，则确定所述HPLMN标识的MNC有效长度为3位，并将所述HPLMN标识中MNC的第三位设置为所述第一目标值；
若所述第一目标值与各个所述第一PLMN的MNC的第三位均不相同，则确定所述HPLMN标识的MNC有效长度为2位，并将所述HPLMN标识中MNC的第三位设置为0xF。
在一种可行的实施方式中，所述获取所述UE和/或所述SIM卡中存储的各个PLMN之后，还包括：
若所述各个PLMN中不存在所述第一PLMN，则确定所述HPLMN标识的MNC有效长度为2位，并将所述HPLMN标识中MNC的第三位设置为0xF。
在一种可行的实施方式中，所述确定所述HPLMN对应的HPLMN标识之后，还包括：
在所述UE查找出当前网络环境对应的各个待选PLMN后，若所述MNC长度指示信息无效，且当前已确定的所述HPLMN标识的MNC有效长度为2位，则确定所述各个待选PLMN中是否存在MCC和MNC的前两位与所述HPLMN相同的第二PLMN；
当存在所述第二PLMN，且各个所述第二PLMN的MNC长度均为2位时，保持所述HPLMN标识中的MNC不变；
当存在MNC长度为3位的所述第二PLMN时，根据所述SIM卡的IMSI确定所述HPLMN标识中MNC的第三位的第二目标值；若所述第二目标值与任意一个所述第二PLMN的MNC的第三位的值相同，则确定所述HPLMN标识的MNC有效长度为3位，并将所述HPLMN标识中MNC的第三位设置为所述第二目标值；若所述第二目标值与各个所述第二PLMN的MNC的第三位均不相同，则保持所述HPLMN标识中的MNC不变。
在一种可行的实施方式中，所述确定所述HPLMN对应的HPLMN标识之后，还包括：
在所述UE查找出当前网络环境对应的各个待选PLMN后，若所述MNC长度指示信息有效，且所述MNC长度指示信息指示所述HPLMN标识的MNC有效长度为2位，则确定所述各个待选PLMN中是否存在MCC 和MNC的前两位与所述HPLMN相同的第三PLMN；
当存在所述第三PLMN，且各个所述第三PLMN的MNC有效长度均为3位时，根据所述SIM卡的IMSI确定所述HPLMN标识中MNC的第三位的第三目标值，若所述第三目标值与任意一个所述第三PLMN的MNC的第三位相同，则确定所述HPLMN标识的MNC有效长度为3位，并将所述HPLMN标识中MNC的第三位设置为所述第三目标值；
当不存在所述第三PLMN时，保持所述HPLMN标识中的MNC不变。
第二方面，本申请实施例提供一种归属公共陆地移动网络标识的修正装置，该装置包括：
判断模块，用于在UE开机后，获取SIM卡中HPLMN的MNC长度指示信息，并确定所述MNC长度指示信息是否有效；
查找模块，用于当所述MNC长度指示信息无效时，获取HPLMN对应的MNC的前两位和MCC，以及获取UE的存储器和/或所述SIM卡中存储的PLMN，并确定各个PLMN中MNC的前两位和MCC与HPLMN相同的第一PLMN；
处理模块，用于根据所述第一PLMN的MNC长度，确定所述HPLMN对应的HPLMN标识。
第三方面，本申请实施例提供一种用户设备，包括：至少一个处理器和存储器；
所述存储器存储计算机执行指令；
所述至少一个处理器执行所述存储器存储的计算机执行指令，使得所述至少一个处理器执行如第一方面提供的HPLMN标识的修正方法。
第四方面，本申请实施例提供一种计算机可读存储介质，所述计算机可读存储介质中存储有计算机执行指令，当处理器执行所述计算机执行指令时，实现如第一方面提供的HPLMN标识的修正方法。
第五方面，本申请实施例提供一种计算机程序产品，包括计算机程序，所述计算机程序被处理器执行时，实现如第一方面提供的HPLMN标识的修正方法。
本申请实施例所提供的HPLMN标识的修正方法及设备，当SIM卡EF AD文件中HPLMN的MNC长度指示信息缺失或错误时，可以根据已有 的PLMN信息，来修正HPLMN标识中MNC的有效长度，从而使UE可以准确获取到HPLMN标识。
附图说明
为了更清楚地说明本申请实施例或现有技术中的技术方案，下面将对本申请实施例或现有技术描述中所需要使用的附图作一简单地介绍，显而易见地，下面描述中的附图是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其它的附图。
图1为本申请实施例中提供的一种无线通信系统的架构示意图；
图2为本申请实施例中提供的一种HPLMN标识的修正方法的流程示意图；
图3为本申请实施例中提供的另一种HPLMN标识的修正方法的流程示意图；
图4为本申请实施例中提供的又一种HPLMN标识的修正方法的流程示意图；
图5为本申请实施例中提供的一种HPLMN标识的修正装置的程序模块示意图；
图6为本申请实施例中提供的一种用户设备的硬件结构示意图。
具体实施方式
为使本申请实施例的目的、技术方案和优点更加清楚，下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。此外，虽然本申请中公开内容按照示范性一个或几个实例来介绍，但应理解，可以就这些公开内容的各个方面也可以单独构成一个完整实施方式。
需要说明的是，本申请中对于术语的简要说明，仅是为了方便理解接下来描述的实施方式，而不是意图限定本申请的实施方式。除非另有说明，这些术语应当按照其普通和通常的含义理解。
本申请中说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别类似或同类的对象或实体，而不必然意味着限定特定的顺序或先后次序，除非另外注明。应该理解这样使用的用语在适当情况下可以互换，例如能够根据本申请实施例图示或描述中给出那些以外的顺序实施。
此外，术语“包括”和“具有”以及他们的任何变形，意图在于覆盖但不排他的包含，例如，包含了一系列组件的产品或设备不必限于清楚地列出的那些组件，而是可包括没有清楚地列出的或对于这些产品或设备固有的其它组件。
本申请中使用的术语“模块”，是指任何已知或后来开发的硬件、软件、固件、人工智能、模糊逻辑或硬件或/和软件代码的组合，能够执行与该元件相关的功能。
本申请实施例可以应用于各种通信系统，例如：全球移动通讯(Global System of Mobile communication，GSM)系统、码分多址(Code Division Multiple Access，CDMA)系统、宽带码分多址(Wideband Code Division Multiple Access，WCDMA)系统、长期演进(Long Term Evolution，LTE)系统、先进的长期演进(Advanced long term evolution，LTE-A)系统、新无线(New Radio，NR)系统、NR系统的演进系统、免授权频谱上的LTE(LTE-based access to unlicensed spectrum，LTE-U)系统、免授权频谱上的NR(NR-based access to unlicensed spectrum，NR-U)系统、通用移动通信系统(Universal Mobile Telecommunication System，UMTS)等。
参照图1，图1为本申请实施例提供的一种无线通信系统的架构示意图。本实施例提供的无线通信系统包括UE101和网络设备102。
可选的，UE101可以为各种形式的用户设备、接入终端、用户单元、用户站、移动站、移动台(mobile station，简称MS)、远方站、远程终端、移动设备、终端设备(terminal equipment)、无线通信设备、用户代理或用户装置。还可以是蜂窝电话、无绳电话、会话启动协议(Session Initiation Protocol，简称SIP)电话、无线本地环路(Wireless Local Loop，简称WLL)站、掌上电脑(Personal Digital Assistant，简称PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备，未来5G网络中的终端设备或者未来演进的公用陆地 移动通信网络(Public Land Mobile Network，简称PLMN)中的终端设备等，本申请实施例对此并不限定，只要该UE101能够与网络设备102无线通信即可。
网络设备102即公用移动通信网络设备，是UE101接入互联网的接口设备，也是无线电台站的一种形式，是指在一定的无线电覆盖区中，与UE101之间进行信息传递的无线电收发信电台，包括基站(Base Station，简称BS)，也可称为基站设备，是一种部署在无线接入网(Radio Access Network，RAN)用以提供无线通信功能的装置。例如在2G网络中提供基站功能的设备包括基地无线收发站(Base Transceiver Station，简称BTS)，3G网络中提供基站功能的设备包括节点B(NodeB)，在4G网络中提供基站功能的设备包括演进的节点B(evolved NodeB，eNB)，在无线局域网络(Wireless Local Area Networks，简称WLAN)中，提供基站功能的设备为接入点(Access Point，简称AP)，5G NR中的提供基站功能的设备gNB,以及继续演进的节点B(ng-eNB)，其中，gNB和UE之间采用NR技术进行通信，ng-eNB和UE之间采用演进的通用陆地无线接入网络(Evolved Universal Terrestrial Radio Access,简称E-UTRA)技术进行通信，gNB和ng-eNB均可连接到5G核心网。本申请实施例中的网络设备102还包含在未来新的通信系统中提供基站功能的设备等。
在移动通信系统中，公共陆地移动网络(public land mobile network，简称PLMN)是指由网络运营商为公众提供陆地移动通信业务而建立和经营的网络。当UE接入的PLMN与SIM卡中对应的PLMN不一致时，UE通常会采用网络重选方式进行重选。例如，移动终端会根据SIM卡中预存的信息，对HPLMN标识进行搜索。
其中，HPLMN标识通常包含MCC和MNC两部分，MCC的长度固定为3位数字(有效值为0-9)；MNC的有效长度为2位或3位，当MNC的有效长度为2位时，MNC的第三位MNC3的值为0xF，当MNC的有效长度为3位时，MNC3的值为0-9的数。例如，某个HPLMN的MNC有效长度是2位，MCC是460，MNC前两位都是0，那么它对应的HPLMN标识为460 00F；某个HPLMN的MNC有效长度是3位，MCC的3位是310，MNC的3位是016，那么它对应HPLMN标识为310 016。
在一些实施方式中，MNC的有效长度取2位还是取3位通常是按照SIM卡中预存的基本文件(Elementary File，简称EF)来确定。
具体的，MNC的有效长度取2位还是取3位可以根据SIM卡中预存EF AD文件中HPLMN的MNC长度指示信息来决定。其中，EF AD文件是SIM卡中的Administrative Data文件，指示了当前SIM卡对应的一些信息，其中第4个字节用于指示IMSI中MNC的有效长度。
在实际应用中，上述EF AD文件中HPLMN的MNC长度指示信息可能会存在缺失或错误的情况，由此便会导致UE无法获取到准确的HPLMN标识，进而导致UE在一些需要使用HPLMN标识的场景出现错误，比如网络选择、空口交互、NV配置文件加载等场景。
为了解决上述技术问题，本申请实施例中提供了一种HPLMN标识的修正方法，当SIM卡EF AD文件中HPLMN的MNC长度指示信息缺失或错误时，可以根据已有的PLMN信息，来修正HPLMN标识中MNC的有效长度，从而使UE可以准确获取到HPLMN标识。下面采用详细的实施例进行详细说明。
参照图2，图2为本申请实施例中提供的一种HPLMN标识的修正方法的流程示意图。在一种可行的实施方式中，该方法包括：
S201、在UE开机后，获取SIM卡中HPLMN的MNC长度指示信息，并确定该MNC长度指示信息是否有效。
在一种可行的实施方式中，在UE开机后，获取SIM卡中的EF AD文件，确定该EF AD文件中的MNC长度指示字节是否缺失；当该MNC长度指示字节未缺失、且该MNC长度指示字节指示的MNC长度正确(指示数字2或3)时，确定上述MNC长度指示信息有效；当该MNC长度指示字节缺失，或者该MNC长度指示字节未缺失、但是该MNC长度指示字节指示的MNC长度错误(指示数字既不是2也不是3)时，确定该MNC长度指示信息无效。
其中，上述MNC长度指示字节为EF AD文件中的第4个字节，用于指示MNC的有效长度。
其中，上述SIM卡又称为用户身份识别卡或智能卡，是网络运营商根据用户的请求提供给用户的通信模块，以供网络用户利用该SIM卡上的数 据以及通信电路实现与运营商网络进行网络通信，从而实现终端设备的网络通信业务应用。
需要说明的是，上述SIM卡可以包括各种规格和标准的SIM卡，在本申请实施例中不作限制，只要根据SIM卡的信息可以识别用户即可。
例如，上述SIM卡可以为普通的SIM卡，也可以为全球用户识别卡(Universal Subscriber Identity Module，USIM卡)；在卡的尺寸上，上述SIM卡可以是尺寸为25mm×15mm的标准SIM卡，也可以是尺寸为12mmx15mm的小SIM卡(即Micro SIM)，还可以是尺寸为12mmx9mm的微型SIM卡(即Nano SIM)。
在支持的网络模式上，上述SIM卡可以是应用于第二代移动通信技术(2nd generation，2G)网络的SIM卡、应用于第三代移动通信技术(3rd generation，3G)网络的SIM卡(如USIM卡)，或者应用于第四代移动通信技术(4thgeneration，4G)网络的SIM卡，也还可以是应用于第五代移动通信技术(5th generation，5G)网络的SIM卡。
S202、当上述MNC长度指示信息无效时，获取HPLMN对应的MNC的前两位和MCC，以及获取UE的存储器和/或SIM卡中存储的PLMN，并确定各个PLMN中MNC的前两位和MCC与上述HPLMN相同的第一PLMN。
在一种可行的实施方式中，在确定上述MNC长度指示信息无效后，先从SIM卡的IMSI中获取HPLMN的MCC的三位数字和MNC前两位数字。然后获取UE的存储器中存储的NV文件中的PLMN，和/或SIM卡中存储的PLMN。
示例性的，上述PLMN至少包括以下类型中的至少一种：
RPLMN(Registered PLMN，已登记PLMN)，UE在上次关机或脱网前登记上的PLMN。
EPLMN(Equivalent PLMN，对等PLMN)，与UE当前所选择的PLMN处于同等地位的PLMN。
EHPLMN(Equivalent Home PLMN，对等归属PLMN)，与UE当前所选择的PLMN处于同等地位的归属PLMN。
UPLMN(User Controlled PLMN，用户控制PLMN)，储存在USIM卡 上的用于PLMN选择的参数。
OPLMN(Operator Controlled PLMN，运营商控制PLMN)，储存在USIM卡上的一个与PLMN选择有关的参数。
FPLMN(Forbidden PLMN，禁用PLMN)，被禁止访问的PLMN，通常UE在尝试接入某个PLMN被拒绝以后，会将其加到本列表中。
在获取到UE的存储器和/或SIM卡中存储的PLMN后，确定这些PLMN中MNC的前两位和MCC与上述HPLMN对应的MNC的前两位和MCC相同的第一PLMN。
例如，上述HPLMN的MCC为460，MNC的前两位为00，则如果获取到的某个PLMN的MCC为460，MNC的前两位也为00，则可以将该PLMN确定为是第一PLMN。
S203、根据上述第一PLMN的MNC长度，确定上述HPLMN对应的HPLMN标识。
在一种可行的实施方式中，在确定出上述第一PLMN之后，即可根据第一PLMN的MNC长度，来确定出上述HPLMN对应的MNC的有效长度，进而确定出上述HPLMN对应的HPLMN标识。
本申请实施例所提供的HPLMN标识的修正方法及设备，当SIM卡EF AD文件中HPLMN的MNC长度指示信息缺失或错误时，可以根据已有的PLMN信息，来修正HPLMN标识中MNC的有效长度，从而使UE可以准确获取到HPLMN标识。
基于上述实施例中的内容，参照图3，图3为本申请实施例中提供的另一种HPLMN标识的修正方法的流程示意图。在一种可行的实施方式中，该方法包括：
S301、在UE开机时，获取SIM卡中HPLMN的MNC长度指示信息，并确定该MNC长度指示信息是否有效。
S302、当上述MNC长度指示信息无效时，获取HPLMN对应的MNC的前两位和MCC，以及获取UE的存储器和/或SIM卡中存储的PLMN。
S303、判断各个PLMN中是否存在MNC的前两位和MCC与上述HPLMN相同的第一PLMN。若存在，则继续执行S304；若不存在，则执行S308。
S304、确定各个第一PLMN的MNC长度。若各个第一PLMN的MNC长度均为2位，则执行S308；若各个第一PLMN的MNC长度均为3位，则执行S305；若存在一部分第一PLMN的MNC长度为2位，另一部分第一PLMN的MNC长度为3位，则执行S306、S307。
S305、确定HPLMN标识的MNC有效长度为3位，并根据SIM卡的IMSI确定HPLMN标识中MNC的第三位的值。
S306、根据SIM卡的IMSI确定HPLMN标识中MNC的第三位的第一目标值。
S307、确定第一目标值是否与任意一个第一PLMN的MNC的第三位相同。若第一目标值与各个第一PLMN的MNC的第三位均不相同，则执行S308；若第一目标值与任意一个第一PLMN的MNC的第三位相同，则执行S309。
S308、确定HPLMN标识的MNC有效长度为2位，并将HPLMN标识中MNC的第三位设置为0xF。
S309、确定HPLMN标识的MNC有效长度为3位，并将HPLMN标识中MNC的第三位设置为第一目标值。
本申请实施例所提供的HPLMN标识的修正方法及设备，当SIM卡EF AD文件中HPLMN的MNC长度指示信息缺失或错误时，可以获取UE和/或SIM卡中存储的PLMN，然后确定各个PLMN中MNC的前两位和MCC与HPLMN相同的第一PLMN，根据第一PLMN的MNC长度，即可准确确定出HPLMN对应的HPLMN标识中MNC的有效长度，从而使UE可以准确获取到HPLMN标识。
基于上述实施例中的内容，参照图4，图4为本申请实施例中提供的又一种HPLMN标识的修正方法的流程示意图。在一种可行的实施方式中，该方法包括：
S401、UE查找出当前网络环境对应的各个待选PLMN。
在一种可行的实施方式中，UE在触发选网程序时，接入层会上报当前环境查找到的PLMN，这些PLMN为UE的待选PLMN。
S402、确定HPLMN的MNC长度指示信息是否有效。若无效，则继续执行S403，若有效，则执行S4010至S4016。
S403、确定当前已确定的HPLMN标识的MNC有效长度。若当前已确定的HPLMN标识的MNC有效长度为2位，则继续执行S404；若当前已确定的HPLMN标识的MNC有效长度为3位，则执行S409。
S404、确定各个待选PLMN中是否存在MCC和MNC的前两位与HPLMN相同的第二PLMN。若是，则继续执行S405；若否，则执行S409。
S405、确定各个第二PLMN的MNC长度。若各个第二PLMN的MNC长度均为2位，则执行S409；若存在MNC长度为3位的第二PLMN，则继续执行S406、S407。
S406、根据SIM卡的IMSI确定HPLMN标识中MNC的第三位的第二目标值。
S407、确定第二目标值是否与任意一个第二PLMN的MNC的第三位相同。若是，则继续执行S408；若否，则执行S409。
S408、确定HPLMN标识的MNC有效长度为3位，并将HPLMN标识中MNC的第三位设置为第二目标值。
S409、保持HPLMN标识中的MNC不变。
S4010、确定当前已确定的HPLMN标识的MNC有效长度。若当前已确定的HPLMN标识的MNC有效长度为2位，则继续执行S4011；若当前已确定的HPLMN标识的MNC有效长度为3位，则执行S4016。
S4011、确定各个待选PLMN中是否存在MCC和MNC的前两位与HPLMN相同的第三PLMN。若是，则继续执行S4012；若否，则执行S4016。
S4012、确定各个第三PLMN的MNC长度。若各个第三PLMN的MNC长度均为3位，则继续执行S4013；若存在MNC长度为2位的第三PLMN，则执行S4016。
S4013、根据SIM卡的IMSI确定HPLMN标识中MNC的第三位的第三目标值。
S4014、确定第三目标值是否与任意一个第三PLMN的MNC的第三位相同。若是，则继续执行S4015；若否，则执行S4016。
S4015、确定HPLMN标识的MNC有效长度为3位，并将HPLMN标识中MNC的第三位设置为第三目标值。
S4016、保持HPLMN标识中的MNC不变。
本申请实施例中提供的HPLMN标识的修正方法，UE可以在SIM卡EF AD文件中HPLMN的MNC长度指示字节缺失或指示错误的情况下，自动纠正HPLMN中的MNC有效长度，从而确保UE能够获取到正确的HPLMN，避免UE后续的功能和业务出错。
基于上述实施例中所描述的内容，本申请实施例中还提供一种HPLMN标识的修正装置。参照图5，图5为本申请实施例中提供的一种HPLMN标识的修正装置的程序模块示意图一，该HPLMN标识的修正装置包括：
判断模块501，用于在UE开机后，获取SIM卡中HPLMN的MNC长度指示信息，并确定该MNC长度指示信息是否有效。
查找模块502，用于当上述MNC长度指示信息无效时，获取HPLMN对应的MNC的前两位和MCC，以及获取所述UE的存储器和/或所述SIM卡中存储的PLMN，并确定各个PLMN中MNC的前两位和MCC与所述HPLMN相同的第一PLMN。
处理模块503，用于根据所述第一PLMN的MNC长度，确定所述HPLMN对应的HPLMN标识。
本申请实施例所提供的HPLMN标识的修正方法装置，当SIM卡EF AD文件中HPLMN的MNC长度指示信息缺失或错误时，可以根据已有的PLMN信息，来修正HPLMN标识中MNC的有效长度，从而使UE可以准确获取到HPLMN标识。
在一种可行的实施方式中，判断模块501具体用于：
获取SIM卡中的EF AD文件，确定所述EF AD文件中HPLMN的MNC长度指示字节是否缺失。
当所述MNC长度指示字节未缺失、且所述MNC长度指示字节指示的MNC长度正确时，确定所述MNC长度指示信息有效。
当所述MNC长度指示字节缺失，或者所述MNC长度指示字节未缺失、且所述MNC长度指示字节指示的MNC长度错误时，确定所述MNC长度指示信息无效。
在一种可行的实施方式中，处理模块503具体用于：
当各个所述第一PLMN的MNC长度均为2位时，确定所述HPLMN 标识的MNC有效长度为2位，并将所述HPLMN标识中MNC的第三位设置为0xF。
当各个所述第一PLMN的MNC长度均为3位时，确定所述HPLMN标识的MNC有效长度为3位，并根据所述SIM卡的IMSI确定所述HPLMN标识中MNC的第三位的值。
在一种可行的实施方式中，处理模块503具体还用于：
当存在一部分所述第一PLMN的MNC长度为2位，另一部分所述第一PLMN的MNC长度为3位时，根据所述SIM卡的IMSI确定所述HPLMN标识中MNC的第三位的第一目标值。
若所述第一目标值与任意一个所述第一PLMN的MNC的第三位相同，则确定所述HPLMN标识的MNC有效长度为3位，并将所述HPLMN标识中MNC的第三位设置为所述第一目标值。
若所述第一目标值与各个所述第一PLMN的MNC的第三位均不相同，则确定所述HPLMN标识的MNC有效长度为2位，并将所述HPLMN标识中MNC的第三位设置为0xF。
在一种可行的实施方式中，处理模块503具体还用于：
若所述各个PLMN中不存在所述第一PLMN，则确定所述HPLMN标识的MNC有效长度为2位，并将所述HPLMN标识中MNC的第三位设置为0xF。
在一种可行的实施方式中，处理模块503具体还用于：
在所述UE查找出当前网络环境对应的各个待选PLMN后，若所述MNC长度指示信息无效，且当前已确定的所述HPLMN标识的MNC有效长度为2位，则确定所述各个待选PLMN中是否存在MCC和MNC的前两位与所述HPLMN相同的第二PLMN。
当存在所述第二PLMN，且各个所述第二PLMN的MNC长度均为2位时，保持所述HPLMN标识中的MNC不变。
当存在MNC长度为3位的所述第二PLMN时，根据所述SIM卡的IMSI确定所述HPLMN标识中MNC的第三位的第二目标值；若所述第二目标值与任意一个所述第二PLMN的MNC的第三位的值相同，则确定所述HPLMN标识的MNC有效长度为3位，并将所述HPLMN标识中MNC的 第三位设置为所述第二目标值；若所述第二目标值与各个所述第二PLMN的MNC的第三位均不相同，则保持所述HPLMN标识中的MNC不变。
在一种可行的实施方式中，处理模块503具体还用于：
在所述UE查找出当前网络环境对应的各个待选PLMN后，若所述MNC长度指示信息有效，且所述MNC长度指示信息指示所述HPLMN标识的MNC有效长度为2位，则确定所述各个待选PLMN中是否存在MCC和MNC的前两位与所述HPLMN相同的第三PLMN。
当存在所述第三PLMN，且各个所述第三PLMN的MNC有效长度均为3位时，根据所述SIM卡的IMSI确定所述HPLMN标识中MNC的第三位的第三目标值，若所述第三目标值与任意一个所述第三PLMN的MNC的第三位相同，则确定所述HPLMN标识的MNC有效长度为3位，并将所述HPLMN标识中MNC的第三位设置为所述第三目标值。
当不存在所述第三PLMN时，保持所述HPLMN标识中的MNC不变。
需要说明的是，本申请实施例中判断模块501、查找模块502以及处理模块503具体执行的内容可以参阅图2至图4所示实施例中相关内容，此处不做赘述。
可选的，上述HPLMN标识的修正装置可以是芯片或芯片模组等。
关于上述实施例中描述的HPLMN标识的修正装置包含的各模块，其可以是软件模块，也可以是硬件模块，或者也可以部分是软件模块，部分是硬件模块。例如，对于应用于或集成于芯片的各个装置、产品，其包含的各个模块可以都采用电路等硬件的方式实现，或者，至少部分模块可以采用软件程序的方式实现，该软件程序运行于芯片内部集成的处理器，剩余的(如果有)部分模块可以采用电路等硬件方式实现；对于应用于或集成于芯片模组的各个装置、产品，其包含的各个模块可以都采用电路等硬件的方式实现，不同的模块可以位于芯片模组的同一组件(例如芯片、电路模块等)或者不同组件中，或者，至少部分模块可以采用软件程序的方式实现，该软件程运行于芯片模组内部集成的处理器，剩余(如果有)部分模块可以采用电路等硬件方式实现；对于应用于或集成于终端的各个装置、产品，其包含的模块可以都采用电路等硬件的方式实现，不同的模块可以位于终端内同一组件(例如，芯片、电路模块等)或者不同组件中， 或者至少部分模块可以采用软件程序的方式实现，该软件程序运行于终端内部集成的处理器，剩余的(如果有)部分模块可以采用电路等硬件方式实现。
进一步的，基于上述实施例中所描述的内容，本申请实施例中还提供了一种UE，该用户设备包括至少一个处理器和存储器；其中，存储器存储计算机执行指令；上述至少一个处理器执行存储器存储的计算机执行指令，以实现如上述实施例中UE所执行的各个步骤，本实施例此处不再赘述。
为了更好的理解本申请实施例，参照图6，图6为本申请实施例提供的一种用户设备的硬件结构示意图。
如图6所示，本实施例的用户设备60包括：处理器601以及存储器602；其中：
存储器602，用于存储计算机执行指令；
处理器601，用于执行存储器存储的计算机执行指令，以实现上述实施例中描述的HPLMN标识的修正方法的各个步骤，具体可以参照上述实施例中的描述，本申请实施例中不再赘述。
可选地，存储器602既可以是独立的，也可以跟处理器601集成在一起。
当存储器602独立设置时，该设备还包括总线603，用于连接所述存储器602和处理器601。
进一步的，基于上述实施例中所描述的内容，本申请实施例中还提供了一种计算机可读存储介质，该计算机可读存储介质中存储有计算机执行指令，当处理器执行所述计算机执行指令时，可以实现上述实施例中描述的HPLMN标识的修正方法的各个步骤，具体可以参照上述实施例中的描述，本申请实施例中不再赘述。
进一步的，基于上述实施例中所描述的内容，本申请实施例中还提供了一种计算机程序产品，包括计算机程序，该计算机程序被处理器执行时，可以实现上述实施例中描述的HPLMN标识的修正方法的各个步骤，具体可以参照上述实施例中的描述，本申请实施例中不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的设备和方法， 可以通过其它的方式实现。例如，以上所描述的设备实施例仅仅是示意性的，例如，所述模块的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个模块可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或模块的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述作为分离部件说明的模块可以是或者也可以不是物理上分开的，作为模块显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部模块来实现本实施例方案的目的。
另外，在本申请各个实施例中的各功能模块可以集成在一个处理单元中，也可以是各个模块单独物理存在，也可以两个或两个以上模块集成在一个单元中。上述模块集成的单元既可以采用硬件的形式实现，也可以采用硬件加软件功能单元的形式实现。
上述以软件功能模块的形式实现的集成的模块，可以存储在一个计算机可读取存储介质中。上述软件功能模块存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)或处理器(英文：processor)执行本申请各个实施例所述方法的部分步骤。
应理解，上述处理器可以是中央处理单元(英文：Central Processing Unit，简称：CPU)，还可以是其他通用处理器、数字信号处理器(英文：Digital Signal Processor，简称：DSP)、专用集成电路(英文：Application Specific Integrated Circuit，简称：ASIC)等。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。结合申请所公开的方法的步骤可以直接体现为硬件处理器执行完成，或者用处理器中的硬件及软件模块组合执行完成。
存储器可能包含高速RAM存储器，也可能还包括非易失性存储NVM，例如至少一个磁盘存储器，还可以为U盘、移动硬盘、只读存储器、磁盘或光盘等。
总线可以是工业标准体系结构(Industry Standard Architecture，ISA) 总线、外部设备互连(Peripheral Component，PCI)总线或扩展工业标准体系结构(Extended Industry Standard Architecture，EISA)总线等。总线可以分为地址总线、数据总线、控制总线等。为便于表示，本申请附图中的总线并不限定仅有一根总线或一种类型的总线。
上述存储介质可以是由任何类型的易失性或非易失性存储设备或者它们的组合实现，如静态随机存取存储器(SRAM)，电可擦除可编程只读存储器(EEPROM)，可擦除可编程只读存储器(EPROM)，可编程只读存储器(PROM)，只读存储器(ROM)，磁存储器，快闪存储器，磁盘或光盘。存储介质可以是通用或专用计算机能够存取的任何可用介质。
一种示例性的存储介质耦合至处理器，从而使处理器能够从该存储介质读取信息，且可向该存储介质写入信息。当然，存储介质也可以是处理器的组成部分。处理器和存储介质可以位于专用集成电路(Application Specific Integrated Circuits，简称：ASIC)中。当然，处理器和存储介质也可以作为分立组件存在于电子设备或主控设备中。
本领域普通技术人员可以理解：实现上述各方法实施例的全部或部分步骤可以通过程序指令相关的硬件来完成。前述的程序可以存储于一计算机可读取存储介质中。该程序在执行时，执行包括上述各方法实施例的步骤；而前述的存储介质包括：ROM、RAM、磁碟或者光盘等各种可以存储程序代码的介质。
最后应说明的是：以上各实施例仅用以说明本申请的技术方案，而非对其限制；尽管参照前述各实施例对本申请进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本申请各实施例技术方案的范围。

Claims (11)

  1. 一种归属公共陆地移动网络标识的修正方法，其特征在于，所述方法包括：
    在用户设备UE开机后，获取SIM卡中归属公共陆地移动网络HPLMN的移动网络代码MNC长度指示信息，并确定所述MNC长度指示信息是否有效；
    当所述MNC长度指示信息无效时，获取所述HPLMN对应的MNC的前两位和移动国家代码MCC，以及获取所述UE的存储器和/或所述SIM卡中存储的公共陆地移动网络PLMN，并确定各个PLMN中MNC的前两位和MCC与所述HPLMN相同的第一PLMN；
    根据所述第一PLMN的MNC长度，确定所述HPLMN对应的HPLMN标识。
  2. 根据权利要求1所述的方法，其特征在于，所述获取SIM卡中HPLMN的MNC长度指示信息，并确定所述MNC长度指示信息是否有效，包括：
    获取SIM卡中的EF AD文件，确定所述EF AD文件中的MNC长度指示字节是否缺失；
    当所述MNC长度指示字节未缺失、且所述MNC长度指示字节指示的MNC长度正确时，确定所述MNC长度指示信息有效；
    当所述MNC长度指示字节缺失，或者所述MNC长度指示字节未缺失、且所述MNC长度指示字节指示的MNC长度错误时，确定所述MNC长度指示信息无效。
  3. 根据权利要求1或2所述的方法，其特征在于，所述根据所述第一PLMN的MNC长度，确定所述HPLMN对应的HPLMN标识，包括：
    当各个所述第一PLMN的MNC长度均为2位时，确定所述HPLMN标识的MNC有效长度为2位，并将所述HPLMN标识中MNC的第三位设置为0xF；
    当各个所述第一PLMN的MNC长度均为3位时，确定所述HPLMN标识的MNC有效长度为3位，并根据所述SIM卡的国际移动用户识别码IMSI确定所述HPLMN标识中MNC的第三位的值。
  4. 根据权利要求1或2所述的方法，其特征在于，所述根据所述第一PLMN的MNC长度，确定所述HPLMN对应的HPLMN标识，包括：
    当存在一部分所述第一PLMN的MNC长度为2位，另一部分所述第一PLMN的MNC长度为3位时，根据所述SIM卡的IMSI确定所述HPLMN标识中MNC的第三位的第一目标值；
    若所述第一目标值与任意一个所述第一PLMN的MNC的第三位相同，则确定所述HPLMN标识的MNC有效长度为3位，并将所述HPLMN标识中MNC的第三位设置为所述第一目标值；
    若所述第一目标值与各个所述第一PLMN的MNC的第三位均不相同，则确定所述HPLMN标识的MNC有效长度为2位，并将所述HPLMN标识中MNC的第三位设置为0xF。
  5. 根据权利要求1或2所述的方法，其特征在于，所述获取所述UE和/或所述SIM卡中存储的各个PLMN之后，还包括：
    若所述各个PLMN中不存在所述第一PLMN，则确定所述HPLMN标识的MNC有效长度为2位，并将所述HPLMN标识中MNC的第三位设置为0xF。
  6. 根据权利要求1或2所述的方法，其特征在于，所述确定所述HPLMN对应的HPLMN标识之后，还包括：
    在所述UE查找出当前网络环境对应的各个待选PLMN后，若所述MNC长度指示信息无效，且当前已确定的所述HPLMN标识的MNC有效长度为2位，则确定所述各个待选PLMN中是否存在MCC和MNC的前两位与所述HPLMN相同的第二PLMN；
    当存在所述第二PLMN，且各个所述第二PLMN的MNC长度均为2位时，保持所述HPLMN标识中的MNC不变；
    当存在MNC长度为3位的所述第二PLMN时，根据所述SIM卡的IMSI确定所述HPLMN标识中MNC的第三位的第二目标值；若所述第二目标值与任意一个所述第二PLMN的MNC的第三位的值相同，则确定所述HPLMN标识的MNC有效长度为3位，并将所述HPLMN标识中MNC的第三位设置为所述第二目标值；若所述第二目标值与各个所述第二PLMN的MNC的第三位均不相同，则保持所述HPLMN标识中的MNC不变。
  7. 根据权利要求6所述的方法，其特征在于，所述确定所述HPLMN对应的HPLMN标识之后，还包括：
    在所述UE查找出当前网络环境对应的各个待选PLMN后，若所述MNC长度指示信息有效，且所述MNC长度指示信息指示所述HPLMN标识的MNC有效长度为2位，则确定所述各个待选PLMN中是否存在MCC和MNC的前两位与所述HPLMN相同的第三PLMN；
    当存在所述第三PLMN，且各个所述第三PLMN的MNC有效长度均为3位时，根据所述SIM卡的IMSI确定所述HPLMN标识中MNC的第三位的第三目标值，若所述第三目标值与任意一个所述第三PLMN的MNC的第三位相同，则确定所述HPLMN标识的MNC有效长度为3位，并将所述HPLMN标识中MNC的第三位设置为所述第三目标值；
    当不存在所述第三PLMN时，保持所述HPLMN标识中的MNC不变。
  8. 一种归属公共陆地移动网络标识的修正装置，其特征在于，所述装置包括：
    判断模块，用于在用户设备UE开机后，获取SIM卡中归属公共陆地移动网络HPLMN的移动网络代码MNC长度指示信息，并确定所述MNC长度指示信息是否有效；
    查找模块，用于当所述MNC长度指示信息无效时，获取所述HPLMN对应的MNC的前两位和移动国家代码MCC，以及获取所述UE的存储器和/或所述SIM卡中存储的公共陆地移动网络PLMN，并确定各个PLMN中MNC的前两位和MCC与所述HPLMN相同的第一PLMN；
    处理模块，用于根据所述第一PLMN的MNC长度，确定所述HPLMN对应的HPLMN标识。
  9. 一种用户设备，其特征在于，包括：至少一个处理器和存储器；
    所述存储器存储计算机执行指令；
    所述至少一个处理器执行所述存储器存储的计算机执行指令，使得所述至少一个处理器执行如权利要求1至7任一项所述的归属公共陆地移动网络标识的修正方法。
  10. 一种计算机可读存储介质，其特征在于，所述计算机可读存储介质中存储有计算机执行指令，当处理器执行所述计算机执行指令时，实现 如权利要求1至7任一项所述的归属公共陆地移动网络标识的修正方法。
  11. 一种计算机程序产品，包括计算机程序，其特征在于，所述计算机程序被处理器执行时，实现权利要求1至7任一项所述的归属公共陆地移动网络标识的修正方法。
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