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WO2006092105A1 - Procede de commande d'acces a un terminal - Google Patents

Procede de commande d'acces a un terminal Download PDF

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Publication number
WO2006092105A1
WO2006092105A1 PCT/CN2006/000334 CN2006000334W WO2006092105A1 WO 2006092105 A1 WO2006092105 A1 WO 2006092105A1 CN 2006000334 W CN2006000334 W CN 2006000334W WO 2006092105 A1 WO2006092105 A1 WO 2006092105A1
Authority
WO
WIPO (PCT)
Prior art keywords
access
plmn
rat
terminal
network
Prior art date
Application number
PCT/CN2006/000334
Other languages
English (en)
Chinese (zh)
Inventor
Chengjun Li
Zhengwei Wang
Shengxi Pan
Li Shen
Zenghua Fang
Original Assignee
Huawei Technologies Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CNB2005100514561A external-priority patent/CN100433904C/zh
Priority claimed from CNB2005100337196A external-priority patent/CN100417282C/zh
Application filed by Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Publication of WO2006092105A1 publication Critical patent/WO2006092105A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information

Definitions

  • the present invention relates to the field of wireless communication technologies, and more particularly to a method of controlling terminal access. Background of the invention
  • 3G third generation mobile communication system
  • 2G second generation mobile communication system
  • 3G network With the development of communication technologies, 3G (third generation mobile communication system) networks have begun to be gradually commercialized throughout the world.
  • 2G second generation mobile communication system
  • 3G network requires a long-term process, so the coexistence of 2G network and 3G network will last for a long time.
  • dual-mode mobile phones that can be applied to 2G networks and 3G networks respectively have appeared.
  • the dual RAT Radio Access Technology
  • hybrid multimode handsets with different wireless access technologies of 2G or 3G such as China Unicom's GSM-CDMA handset
  • Multimode handsets can switch between multiple access technologies.
  • the network When the multimode mobile phone attempts to access a RAT network that has not been opened, the network returns a specific reject message. After receiving the message, the UE (User Equipment) will write the PLMN (Public Land Mobile Network) identifier of the mobile phone of the network. Enter the FPLMN.
  • PLMN Public Land Mobile Network
  • the RAT does not allow roaming, while another RAT subscription allows roaming.
  • the PLMN When the UE attempts to perform location update or registration on the RAT that does not allow roaming, the PLMN is written into the FPLMN because the network returns a specific message, so that when the UE is rejected on the PLMN-type RAT, another type of subscription The roaming RAT cannot register because the PLMN has written the FPLMN.
  • a RAT network such as a trial network or a pre-commercial network, which may not allow users to access and roam
  • another RAT network may allow users to access and roam after signing
  • the PLMN may include: a RAT network that prohibits user access, roaming, and a RAT network that can access and roam after signing.
  • the UE may choose to initiate an access processing procedure in any one of the RAT networks.
  • the network side if the UE attempts to perform location update or registration on the RAT network that is not allowed to access or roam, the network side returns the 11 or 13 message to the UE, after receiving the 11 or 13 message, It is determined that the UE is prohibited from accessing and roaming in the PLMN, wherein the meaning of the 11 message is: PLMN not allowed (the PLMN is not allowed to access) > The meaning of the 13 message is: NATIONAL- ROAMING-NO- ALLOWED ⁇ Do not allow roaming in this LAI (Location Area ID) ⁇ .
  • the UE When the UE (ie, the mobile phone) receives the returned 11 or 13 message, according to the provisions of the 3GPP 24.008 protocol, the UE needs to write the PLMN into the disabled PLMN (prohibited PLMN), and writing the PLMN in the disabled PLMN indicates that the UE is in the Access and roaming are not allowed in the PLMN. In this way, after the UE is rejected on a RAT network of the PLMN, even if the other network is allowed to access and roam the RAT network, the UE will be unable to register the access because the PLMN is written to the disabled PLMN. Of course, roaming is not possible.
  • China Unicom's world-class dual-mode handsets can simultaneously access GSM and CDMA networks, and Malaysia A operators also operate GSM and CDMA networks, and the two networks share the same PLMN identity.
  • China Unicom and A operator signed a GSM international roaming agreement.
  • China Unicom's GSM mobile phone can roam to the A carrier network, but CDMA mobile phone is not available (for example, A carrier's CDMA network is still in trial operation, China Unicom) I haven't had time to sign a roaming agreement with the A operator's department about CDMA mobile phones.
  • China Unicom's world-class dual-mode mobile phone roams to the A operator's network coverage, if the mobile phone first chooses CDMA wireless access technology, try to access A.
  • the network When the operator's CDMA trial network, the network will refuse access, then the mobile phone will write the PLMN identity of the A carrier network to the disabled PLMN.
  • Table Form PLMN table, referred to as FPLMN table). Thereafter, when the mobile phone attempts to access the A operator's GSM network, the A-operator's PLMN is written to the disabled PLMN, so that the UE cannot register the A operator's GSM network.
  • a method for controlling terminal access includes:
  • the access denial table includes at least a PLMN identity attribute domain and a RAT identifier attribute domain.
  • the UE determines a RAT network and a corresponding PLMN to try location update or registration;
  • the terminal Querying the access denial table according to the identifier of the determined RAT network and the corresponding PLMN. If the corresponding record is found in the access denial table, the terminal prohibits location update or registration on the RAT network of the PLMN. If the corresponding record is not found in the access denial table, the terminal allows location update or registration on the RAT network of the PLMN.
  • the method further includes: when the terminal receives the message of denying access returned by the network side, recording the current RAT identifier and the corresponding PLMN identifier to the In the rejection form.
  • the setting access denial table is set in the subscriber identity module.
  • the setting the access denial list is: expanding the RAT identity attribute into the access denial table by adding an RAT identifier attribute in the FPLMN table; or separately setting an access denial table, where the access denial table includes a PLMN identity attribute field and RAT identifies the attribute domain.
  • the setting access denial list is set in the UE.
  • the access denial table is a dynamic table or a static table.
  • the access denial table includes a user identification module identification attribute domain.
  • the terminal When the terminal receives the message of denying access returned by the network side, the terminal records the RAT identifier and the corresponding PLMN identifier into the access denial table according to the current user identification module identification information.
  • the terminal When the terminal determines that the subscriber identity module is replaced, the terminal deletes the information stored in the access denial table; or, when the terminal determines that the subscriber identity module identifier information is replaced, the terminal deletes the information stored in the access denial list.
  • the method further includes: deleting the corresponding record from the access denial table according to the corresponding RAT network and its corresponding PLMN information.
  • Step C also includes determining whether the PLMN exists in the FPLMN.
  • the method further includes: when the terminal is unable to access the corresponding PLMN through all the RAT networks supported by the terminal, the PLMN is recorded in the FPLMN.
  • a method for controlling terminal access includes:
  • the terminal chooses to determine the RAT network to try to access and the PLMN it is in, and try to access it.
  • the terminal When the terminal receives the message that the network side returns the attempted access failure, the terminal does not record the identity of the PLMN into the FPLMN.
  • the method further includes:
  • step A before attempting to access, the terminal further includes searching for the access denial table according to the PLMN identifier and the RAT identifier, and if the record about the PLMN identifier and the RAT identifier is not found in the access denial table, Then the terminal attempts the access, otherwise, the terminal does not attempt the access.
  • Step B further includes:
  • the RAT network identifier and the PLMN identity in which it resides are recorded in an access denial table.
  • the identifier of the PLMN is no longer recorded to the FPLMN.
  • the implementation of the present invention enables an operator to use the same PLMN to construct a 2G or 3G network, and if the RAT network cannot be contracted due to network evolution or commercial operation, the terminal can be reliably roamed to the subscribed RAT network, thereby avoiding In the terminal roaming access process, it is affected by the unsigned RAT network in the same PLMN of the operator.
  • FIG. 1 is a flow chart of an exemplary method of the present invention.
  • FIG. 2 is a flow chart of an exemplary method in accordance with a first embodiment of the present invention.
  • FIG. 3 is a flow diagram of an exemplary method in accordance with a second embodiment of the present invention.
  • FIG. 4 is a flow chart of an exemplary method in accordance with a third embodiment of the present invention. Mode for carrying out the invention
  • the core idea of the present invention is: firstly determining the RAT network that can be attempted to access and the PLMN in which it is located, and attempting to access; B. when receiving the message of the attempted access failure returned by the network side, the PLMN record is no longer recorded. To prohibit the PLMN or FPLMN. And in order to reduce the power consumption of the mobile phone in order to reduce the unnecessary attempted access, the present invention further sets the access rejection list, which may be by adding the FPLMN table in the current subscriber identity module, and adding a RAT flag thereto.
  • the access attribute is made into an access rejection list, and an access rejection list may be separately established in the user identification module, where the user identification module includes an ISIM card, a UIM card, a SIM card, and a USIM card;
  • the user identification module includes an ISIM card, a UIM card, a SIM card, and a USIM card;
  • the corresponding PLMN identity and the RAT identifier are written into the access denial table, and the table is used to determine whether to attempt to access the RAT network of one PLMN.
  • Step 11 In the PLMN, when the UE attempts to perform location update or registration on a RAT that does not allow access or roaming, The network returns a message of 11 or 13 to the UE;
  • Step 12 The UE receives the message, and the PLMN is no longer written to the FPLMN;
  • Step 13 Determine whether the current RAT still has other available networks, if yes, execute step 14, otherwise, perform step 15;
  • Step 14 Determine that there are other available networks in the RAT, and then try to perform location update or registration to other available networks until the network of the RAT cannot implement location update or registration, and perform step 15; of course, if other available The location update or registration is implemented in the network, and the corresponding access and roaming processing ends;
  • Step 15 When the UE attempts location update or registration failure in a RAT network, then handover to another new RAT to search for another RAT network again;
  • the location update or registration can be performed, thereby satisfying the access and roaming needs of the UE, and facilitating the operator to provide flexible access services for the terminal.
  • the RAT network may be: AMPS (Advanced Mobile Phone System) Network, CDMA IS95 (narrowband code division multiple access) network, CDMA2000 network, EV-DO (CDMA2000 for enhanced data services) network, GSM (digital cellular mobile communication system) network, WCDMA (Wideband Code Division Multiple Access) network or TD- SCDMA (Time Division-Synchronous Code Division Multiple Access) network, WLAN (Wireless Local Area Network) network, WIMAX network, and so on.
  • AMPS Advanced Mobile Phone System
  • CDMA IS95 narrowband code division multiple access
  • CDMA2000 Code Division Multiple Access
  • EV-DO CDMA2000 for enhanced data services
  • GSM digital cellular mobile communication system
  • WCDMA Wideband Code Division Multiple Access
  • TD- SCDMA Time Division-Synchronous Code Division Multiple Access
  • WLAN Wireless Local Area Network
  • WIMAX Wide Area Network
  • the PLMN may also be written.
  • the FPLMN it indicates that the UE is prohibited from accessing and roaming in the PLMN.
  • the method of the present invention is adopted, so that the terminal discovers a certain one under the PLMN.
  • the RAT network does not allow access, it can still try to access other RAT networks under the PLMN that have not attempted to access or allow access or roaming.
  • the present invention further sets an access denial table, by which the terminal can be prevented from being invalid for those RAT networks that are not allowed to access or roam. try.
  • the access denial table may be set in the subscriber identity module or may be set in the U E.
  • the subscriber identity module may be an ISIM card, a UIM card, a SIM card, a USIM card, or the like.
  • the FPLMN table in the current subscriber identity module may be extended, and the RAT identity attribute may be added to become the access denial list, or may be in the subscriber identity module.
  • the access rejection list is set separately.
  • the table is a static table that loses power without losing information.
  • the access denial list may be a static table that does not lose information when power is off, or may be a dynamic table of power loss information.
  • the access denial list may also be a dynamic table of power loss information.
  • the first embodiment of the present invention includes the following steps: Step 21: Setting an access denial table in a subscriber identity module, where the recorded information includes a PLMN identity and a RAT identifier, where The setting of the access denial table is performed by adding a RAT identifier attribute field in the FPLMN table in the subscriber identity module to be extended to the access denial table.
  • the extended FPLMN table format is as shown in Table 1:
  • the record number in the table may not be available.
  • Step 22 The UE determines the RAT network and the corresponding PLMN to try the location update or registration. For example: When the UE moves to the foreign network or reboots, it will search for the corresponding RAT network signal and automatically select a certain RAT network.
  • Step 23 Check whether the RAT network and its corresponding PLMN are present in the extended FPLMN table. If yes, go to step 24; otherwise, go to step 25.
  • Step 24 Determine whether the current RAT searches for other available networks. If other available networks are searched, return to step 23. If no other available networks are found, go to step 29. , Step 25: The UE attempts to update the location or register this network.
  • Step 26 Determine whether the update or registration is successful, and if successful, end; otherwise, perform step 27; for example, when receiving the message of 11 or 13 returned by the network side, it may be determined as a failure.
  • Step 27 Record the current PLMN identity and the RAT network identity into the extended FPLMN table, and then return to step 24.
  • Step 28 Switch to another RAT, and re-search for the RAT network and its corresponding PLMN; then return to step 23;
  • the setting the access denial table may also be implemented by separately setting an access denial table in the user identifier module, without performing the extension on the FPLMN.
  • the second embodiment of the present invention includes the following steps: Step 31: Set an access rejection table in the user identification module, where the recorded information includes a PLMN identity and a RAT identifier, where Setting the access denial table is achieved by setting the access denial table separately in the user identification module.
  • the table format is shown in Table 2:
  • the record number in the table may not be available.
  • Step 32 The UE determines the RAT network to which the location update or registration is to be attempted and the PLMN in which it is located. For example: When the UE moves to the foreign network or reboots, it will search for the corresponding RAT network signal and automatically select a certain RAT network.
  • Step 33 Check whether the PLMN corresponding to the RAT network exists in the FPLMN table, if yes, it is determined that the PLMN prohibits the UE from accessing, and step 34 is performed; otherwise, step 35 is performed;
  • Step 34 Search for other networks of the current RAT, and determine whether other available networks are searched. When searching, perform step 33; if no other available RAT network is found, Then perform step 39;
  • Step 35 If not in the FPLMN, continue to check the access denial table, that is, Table 2, if the PLMN identifier of the network to be selected and the current RAT network identifier do not find a matching record in Table 2, go to step 36, otherwise, Go to step 34;
  • Step 36 Allow the UE to try to register the PLMN network and perform corresponding location update.
  • Step 37 When the UE performs location update or registration on a certain RAT network of a certain PLMN, it is determined whether the location update or registration is successful, if not successful. Then, step 38 is performed. If the UE receives the message that the location update or the registration is successful, the processing ends. For example: If the network returns a message of 11 or 13 to the UE, it is determined that the location update or registration process has failed.
  • Step 38 Record the PLMN identity and the current RAT network identity of the denied access, roaming into the access rejection list, instead of immediately writing the PLMN to the FPLMN, and executing step 34;
  • Step 39 If there is no other available network in the current RAT, switch to another RAT, and re-search the network, determine the corresponding RAT network and the PLMN in which it is located, and perform step 33 until it accesses the network.
  • the access denial table may be set in the UE, and the table may be set as a dynamic table or may be set as a static table. Obviously, keeping the other steps of the two embodiments unchanged, only changing the way the user identification module sets the table to setting in the UE can also achieve the intended purpose.
  • the UE when the UE manually attempts to register a certain RAT network of a PLMN, the access rejection list is not checked, and after registration, the UE may further perform: the UE according to the current RAT identifier and the PLMN in the location Access the rejection list and delete the corresponding records found.
  • the third embodiment of the present invention includes the following steps: Step 41: Set an access reject list in the UE.
  • the recorded information includes a PLMN identifier and a RAT identifier.
  • the entry rejection table is implemented by storing a table for recording access, roaming rejected PLMN and RAT network information in the file system of the UE, and the table format is as shown in Table 3:
  • the record number in the table may not be available.
  • the recorded information includes a subscriber identity module identifier (user identification module identifier), a PLMN identity, and a RAT identifier.
  • subscriber identity module identifier user identification module identifier
  • PLMN identity PLMN identity
  • RAT identifier a RAT identifier
  • the message of 11 or 13 records the current subscriber identity module identifier, PLMN identity and RAT identity of the UE in Table 3.
  • the user identification module identifier may be an international mobile subscriber identity in the subscriber identity module, and may be an electronic serial number ESN of the subscriber identity module. Of course, other information that can uniquely identify the subscriber identity module in the terminal may be used.
  • the access denial table may be a dynamically or statically saved table.
  • the (U)SIM identifier in the table can be omitted; this is because when the UE changes the card, the record of the dynamic table will be automatically cleared;
  • the (U) SIM identifier in the table can be either reserved or omitted:
  • the mobile phone can distinguish the same by the logo.
  • the login rejection of the user card however, in this case, the mobile phone cannot change the card frequently, or the mobile phone must have a predetermined entry deletion policy recorded in the deletion table, such as setting the maximum value of the table record, so as to be in the table. After the record reaches a certain amount, delete those records that have not been used for a long time.
  • the identifier of the current user card should be saved in the mobile phone.
  • the mobile phone compares the identity of the new card with the identity of the saved card. It is judged whether to change the card; this judgment is generally performed at the time of power-on, and when it is determined that the mobile phone is changing cards, the record in the access rejection table needs to be cleared.
  • Step 42 When the UE moves to the foreign network or reboots, it will search for the corresponding RAT network signal and automatically select a certain RAT network, that is, the UE determines the RAT network and the PLM N where the location update or registration can be attempted.
  • Step 43 Check whether the PLMN where the RAT network is located exists in the FPLMN. If yes, determine that the PLMN prohibits the UE from accessing, and perform step 44. Otherwise, go to step 45.
  • Step 44 Search for other networks of the current RAT, and determine whether other available networks are searched. When the corresponding available RAT network is searched and the corresponding PLMN is determined, step 43 is performed; if other available RAT networks are not found, Go to step 49.
  • Step 45 If not in the FPLMN, continue to check the access denial table, that is, Table 3. If the current subscriber identity module identifier, the PLMN identity of the network to be selected, and the current RAT network identity do not find a matching record in Table 3, Go to step 46, otherwise, go to step 44.
  • Step 46 Allow the UE to attempt to register the PLMN network and perform corresponding location update.
  • Step 47 When the UE performs location update or registration on a certain RAT network of a certain PLMN, determine whether the location update or registration is successful, if the network is If the UE returns a message of 11 or 13, it determines that the location update or registration process fails. When the UE receives the message, step 48 is performed. If the UE receives the message of location update or registration success, the process ends.
  • Step 48 Record the current subscriber identity module identifier, the PLMN identity that rejects the access roaming, and the current RAT network identity into the access denial list, instead of immediately writing the PLMN to the FPLMN, and step 44 is performed.
  • Step 49 If there is no other available network in the current RAT, switch to another RAT, and re-search the network, determine the corresponding RAT network and the PLMN in which it is located, and perform step 43 until it accesses the network.
  • the PLMN cannot be accessed, and the PLMN can also be written into the FPLMN of the subscriber identity module corresponding to the current subscriber identity module identifier, and the corresponding record in the access reject list is deleted.
  • the access denial table may be set in the user card identification module, which is useful for synthesizing a plurality of user cards into one user card. Obviously, keeping the other steps of this embodiment unchanged, changing only the way in which the table is set in the UE to being set in the subscriber identity module can also achieve the intended purpose.
  • the UE when the UE manually attempts to register a certain RAT network of a PLMN, the access denial table is not checked, and after registration, the UE may further perform: the UE according to the identifier of the corresponding user card, the current RAT identifier, and the PLMN in which the UE is located. Check the access rejection list and delete the found violation records.
  • the terminal determines to replace the subscriber identity module, the information stored in the access denial table is deleted; or, the terminal determines the user identifier.
  • the module identification information is replaced, the information stored in the access rejection table is deleted.
  • the maintenance interface of the access denial table may be further provided, so that the user can perform maintenance on the data in the table, for example, deleting one, multiple or all records in the table. Thereby achieving a more design effect.
  • the RAT network may be: AMPS (Advanced Mobile Phone System) network, CDMA IS95 (Narrowband Code Division Multiple Access) network, CDMA2000 network, EV-DO (CDMA2000 for enhanced data service) network, wireless local area network WLAN Network, WIMAX network, GSM (Digital Cellular Mobile Telecommunications System) network, WCDMA (Wideband Code Division Multiple Access) network or TD-SCDMA (Time Division-Synchronous Code Division Multiple Access) network, and so on.
  • AMPS Advanced Mobile Phone System
  • CDMA IS95 Wideband Code Division Multiple Access
  • CDMA2000 Code Division Multiple Access
  • EV-DO CDMA2000 for enhanced data service
  • WLAN Network wireless local area network
  • WIMAX Wireless Local area network
  • GSM Digital Cellular Mobile Telecommunications System
  • WCDMA Wideband Code Division Multiple Access
  • TD-SCDMA Time Division-Synchronous Code Division Multiple Access

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un procédé de commande d'accès à un terminal, lequel procédé consiste: à élaborer une liste de refus d'accès pour enregistrer le PLMN d'accès et de déplacement rejetés et des informations de réseau RAT, ladite liste de refus d'accès comprenant au moins une zone d'attribut d'identification de PLMN et une zone d'attribut d'identification de RAT; B à déterminer, au moyen de l'équipement utilisateur, un réseau RAT qui tente de mettre à jour ou d'enregistrer l'emplacement et le PLMN correspondant; C à rechercher la liste de refus d'accès conformément à l'identification de réseau RAT déterminé et au PLMN. Si le relevé correspondant est recherché, le terminal empêche la mise à jour ou l'enregistrement de l'emplacement dans le réseau RAT du PLMN. Si le relevé correspondant n'est pas recherché, le terminal permet d'effectuer la mise à jour ou l'enregistrement de l'emplacement. Lorsque cette invention est utilisée, le fait d'éviter le réseau RAT non visé dans le même PLMN de l'opérateur affecte la procédure d'accès et de déplacement du terminal.
PCT/CN2006/000334 2005-03-04 2006-03-06 Procede de commande d'acces a un terminal WO2006092105A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CNB2005100514561A CN100433904C (zh) 2005-03-04 2005-03-04 控制用户终端接入公用陆地移动网的实现方法
CN200510051456.1 2005-03-04
CNB2005100337196A CN100417282C (zh) 2005-03-17 2005-03-17 控制用户终端接入的方法
CN200510033719.6 2005-03-17

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Publication Number Publication Date
WO2006092105A1 true WO2006092105A1 (fr) 2006-09-08

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108696930A (zh) * 2017-03-30 2018-10-23 宏达国际电子股份有限公司 处理无线接入技术能力的装置及方法
CN111726850A (zh) * 2020-06-22 2020-09-29 展讯通信（上海）有限公司 一种网络接入控制方法、装置、终端及可读存储介质
CN112153067A (zh) * 2020-09-28 2020-12-29 周口师范学院 基于区块链的边缘计算安全模型
CN112770371A (zh) * 2019-10-21 2021-05-07 维沃移动通信有限公司 一种网络注册方法及设备

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Publication number Priority date Publication date Assignee Title
CN1491519A (zh) * 2001-02-13 2004-04-21 ����ɭ�绰�ɷ����޹�˾ 对无线电接入网之间移动性的部分支持
US20050048984A1 (en) * 2003-05-30 2005-03-03 Foster Neal C. System and method for group restricted access of a shared access controller

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1491519A (zh) * 2001-02-13 2004-04-21 ����ɭ�绰�ɷ����޹�˾ 对无线电接入网之间移动性的部分支持
US20050048984A1 (en) * 2003-05-30 2005-03-03 Foster Neal C. System and method for group restricted access of a shared access controller

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108696930A (zh) * 2017-03-30 2018-10-23 宏达国际电子股份有限公司 处理无线接入技术能力的装置及方法
CN112770371A (zh) * 2019-10-21 2021-05-07 维沃移动通信有限公司 一种网络注册方法及设备
CN111726850A (zh) * 2020-06-22 2020-09-29 展讯通信（上海）有限公司 一种网络接入控制方法、装置、终端及可读存储介质
CN112153067A (zh) * 2020-09-28 2020-12-29 周口师范学院 基于区块链的边缘计算安全模型
CN112153067B (zh) * 2020-09-28 2022-08-12 周口师范学院 基于区块链的边缘计算安全系统

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