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WO2011035735A1 - Procédé, dispositif et système pour le traitement d'identités de cellules globales - Google Patents

Procédé, dispositif et système pour le traitement d'identités de cellules globales Download PDF

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Publication number
WO2011035735A1
WO2011035735A1 PCT/CN2010/077372 CN2010077372W WO2011035735A1 WO 2011035735 A1 WO2011035735 A1 WO 2011035735A1 CN 2010077372 W CN2010077372 W CN 2010077372W WO 2011035735 A1 WO2011035735 A1 WO 2011035735A1
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WIPO (PCT)
Prior art keywords
network controller
identifier
radio network
real
dynamic
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English (en)
Chinese (zh)
Inventor
朱伟
孙海珊
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/12—Detection or prevention of fraud
    • H04W12/121—Wireless intrusion detection systems [WIDS]; Wireless intrusion prevention systems [WIPS]
    • H04W12/122—Counter-measures against attacks; Protection against rogue devices

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a method, apparatus, and system for global cell identity processing.
  • each cell has a cell ID (Cell ID).
  • the UMTS AP In the process of the UE switching from the UMTS Access Point (AP) to other networks, such as the macro network, the UMTS AP needs to have the plug-and-play feature. To meet this requirement, the UMTS AP supports the automatic network rule function.
  • the built-in third-generation mobile communication/second-generation mobile communication receiver performs macro cell neighboring area configuration by automatic cell search in User Equipment (UE) mode, and the radio network controller (Radio Network Controller) is searched.
  • the system message sent by the RNC is obtained by acquiring the macro cell Cell ID (ie, the target cell Cell ID) of the neighboring cell of the AP cell and other information.
  • the above system message is sent by the RNC through the interface between the user equipment and the universal terrestrial radio access network (Uu interface).
  • the Cell ID-based positioning method is often used to locate the terminal in the mobile positioning technology.
  • the Cell ID based positioning method determines the location of the terminal based on the Cell ID of the cell in which the mobile station is located. Since the Cell ID positioning technology does not require the positioning measurement of the mobile station, and the positioning information transmission of the wireless interface is small, the positioning response time is short, which is a widely used mobile positioning technology.
  • a technical problem to be solved by embodiments of the present invention is to provide a method, apparatus, and system for global cell identity processing.
  • the radio network controller sends a first global cell identifier including the dynamic cell identifier and the real radio network controller identifier to the access point, so that the access point determines that the radio network controller is the target radio network controller, and then sends the a second global cell identifier including a real radio network controller identifier of the radio network controller to the core network;
  • the radio network controller receives a migration request message sent by the core network; the migration request message is received by the core network, and the real wireless network controller that includes the radio network controller sent by the access point After the two global cell identifiers are sent, according to the real radio network controller identifier of the radio network controller.
  • the embodiment of the present invention further provides a method for dynamic global cell identity processing, including: receiving, by an access point, a first global cell identifier from a radio network controller, where the first global cell identifier includes a dynamic cell identifier and a real wireless network Controller identification;
  • the radio network controller After determining, by the access point, the radio network controller as the target radio network controller, sending, to the core network, a second global cell identifier that includes the real radio network controller identifier of the radio network controller, so that the core network is configured according to the core network
  • the real radio network controller identity of the radio network controller sends a migration request message to the radio network controller.
  • the embodiment of the present invention further provides another method for dynamic global cell identity processing, including: receiving, by an access point, a correspondence between a dynamic radio network controller identifier from a radio network controller and a real radio network controller identifier;
  • the access point receives a first global cell identity from the radio network controller, the first global cell identity including a dynamic cell identity and a dynamic radio network controller identity, and determining the radio network controller as a target
  • the real wireless network controller identifier corresponding to the dynamic wireless network controller identifier of the wireless network controller is obtained by the correspondence between the dynamic wireless network controller identifier and the real wireless network controller identifier;
  • a second global cell identifier including a real radio network controller identifier of the radio network controller Transmitting, by the access point, a second global cell identifier including a real radio network controller identifier of the radio network controller to the core network, so that the core network is authentic according to the radio network controller
  • the line network controller identifies a migration request message to the wireless network controller.
  • the embodiment of the invention further provides a radio network controller, including:
  • a global cell identifier sending unit configured to send a first global cell identifier to the access point, where the first global cell identifier includes a dynamic cell identifier and a real radio network controller identifier, so that the access point sends the true a second global cell identifier that is identified by the radio network controller to the core network;
  • a migration request message receiving unit configured to receive a migration request message sent by the core network; and the migration request message is received by the core network After the second global cell identifier sent by the ingress, the identifier is sent according to the real radio network controller identifier included in the second global cell identifier.
  • An embodiment of the present invention further provides another radio network controller, including:
  • a dynamic radio network controller identifier generating unit configured to generate a dynamic radio network controller identifier corresponding to the real radio network controller identifier according to the correspondence between the dynamic radio network controller identifier and the real radio network controller identifier;
  • a dynamic global cell identifier sending unit configured to send a dynamic global cell identifier to the access point, where the dynamic global cell identifier includes a dynamic cell identifier and a dynamic radio network controller identifier;
  • the correspondence sending unit is configured to send, to the access point, a correspondence between the dynamic radio network controller identifier and the real radio network controller identifier.
  • An embodiment of the present invention further provides an access point, including:
  • Corresponding relationship receiving unit configured to receive a correspondence between a dynamic wireless network controller identifier from the radio network controller and a real radio network controller identifier
  • Corresponding relationship storage unit configured to save a correspondence between the dynamic wireless network controller identifier and the real wireless network controller identifier
  • a global cell identifier receiving unit configured to receive a first global cell identifier from the radio network controller, where the first global cell identifier includes a dynamic cell identifier and a dynamic radio network controller identifier;
  • a real radio network controller identifier obtaining unit configured to obtain, by the dynamic radio network controller identifier, a correspondence between the real radio network controller identifier and the real radio network controller identifier corresponding to the dynamic radio network controller identifier;
  • the global cell identity sending unit sends a second global cell identifier including the identifier of the real radio network controller to the core network.
  • the embodiment of the present invention further provides a network system, including: A wireless network controller, the wireless network controller being in communication with a core network and an access point.
  • a wireless network controller the wireless network controller being in communication with a core network and an access point.
  • the foregoing technical solution has the following beneficial effects: After the AP receives the global Cell ID, the AP can return the real RNC ID to the CN, and the CN can find the target RNC according to the real RNC ID and perform the handover process; thus, the dynamic cell identifier is used. At the same time, the UE can successfully initiate a handover from the Femto cell to the macro cell. Because the Cell ID sent by the RNC to the AP through the air interface is a dynamic Cell ID, the illegal third party cannot obtain the correspondence between the Cell ID and the geographic location of the cell, thereby improving information security.
  • FIG. 1 is a schematic flowchart of a handover process of an AP to a macro network according to an embodiment of the present invention
  • FIG. 2 is a schematic flow chart of a method according to an embodiment of the present invention.
  • FIG. 3 is a schematic flowchart of a method according to Embodiment 2 of the present invention.
  • FIG. 5 is a schematic flowchart of a method according to Embodiment 4 of the present invention.
  • FIG. 6 is a schematic flowchart of a method according to Embodiment 5 of the present invention.
  • FIG. 7 is a schematic structural diagram of an RNC according to Embodiment 6 of the present invention.
  • FIG. 8 is a schematic structural diagram of an RNC according to Embodiment 6 of the present invention.
  • FIG. 9 is a schematic structural diagram of an RNC according to Embodiment 7 of the present invention.
  • FIG. 10 is a schematic structural diagram of an AP according to Embodiment 8 of the present invention.
  • FIG. 11 is a schematic structural diagram of an AP according to Embodiment 8 of the present invention.
  • FIG. 12 is a schematic structural diagram of a system according to Embodiment 9 of the present invention.
  • FIG. 13 is a schematic structural diagram of a system according to Embodiment 10 of the present invention.
  • the RNC can send the dynamic message through the system message in the Uu interface.
  • the Cell ID parameter which is a false value, is not equal to the actual Cell ID, and can also be changed periodically. In this way, an illegal third party cannot obtain the correspondence between the dynamic Cell ID and the real Cell lD, and the real geographical location information cannot be obtained.
  • the UE uses a static (ie, real) Cell ID to switch from the UMTS AP to the macro network as an example.
  • a static (ie, real) Cell ID to switch from the UMTS AP to the macro network as an example.
  • FIG. 1 the flow chart of the UE switching from the UMTS access point (AP) to the macro network is shown. .
  • Step 101 Acquiring the cell ID of the macro cell;
  • the UMTS access point (AP) needs to have a plug-and-play feature.
  • the UMTS AP supports the automatic network rule function and can adopt the built-in third generation.
  • the third generation mobile Telecommunication/Second Generation (3G/2G) receiver performs macro cell neighboring area configuration by automatic cell search in User Equipment (UE) mode.
  • the system message sent by the radio network controller (RNC) acquires the macro cell Cell ID (ie, the target cell Cell ID), the RNC ID, and other information of the neighboring cell of the AP cell.
  • the above system message is sent by the RNC through the interface between the user equipment and the universal terrestrial radio access network (User Equipment Universal Terrestrial Radio Access Network, Uu interface).
  • Step 102 Initiating the handover process; when the AP is powered on to perform automatic neighbor search or periodic automatic neighbor search, the UMTS AP sends the migration to the core network (Core Network, CN) via the access gateway (AG).
  • the Relocation Required message is used to initiate the handover procedure.
  • the Relocation Required message carries the acquired macro cell Cell ID and the RNC ID of the macro cell (ie, the target RNC ID). Target RNC.
  • Step 104 The CN sends a Relocation Request message to the target RNC, and carries the macro cell Cell ID (ie, the target cell Cell ID) to perform a subsequent handover process.
  • the macro cell Cell ID ie, the target cell Cell ID
  • step 101 the real Cell ID sent by the RNC to the AP through the Uu interface may be intercepted. If the RNC sends a dynamic Cell ID to the AP through the Uu interface, even if it is intercepted, the illegal third party Still unable to obtain Cell ID and cell geographic location using Cell ID positioning technology Correspondence relationship. The manner in which the dynamic cell identity is used for handover will be specifically described below.
  • the first embodiment of the present invention provides a method for processing global cell identifiers. As shown in FIG. 2, the method may include the following steps:
  • Step 201 Send a global cell identifier to the AP, where the global cell identifier includes a dynamic cell identifier and a real radio network controller identifier, so that the access point sends the global identifier of the real radio network controller identifier to the core network.
  • Step 202 Receive a migration request message sent by the core network. After receiving the global cell identifier sent by the access point, the migration request message is sent according to the real radio network controller identifier included in the global cell identifier.
  • the foregoing migration request message may include a dynamic cell identifier
  • the method further includes: after the step 202, searching: corresponding to the dynamic cell identifier included in the received migration request message, according to the saved dynamic cell identifier and the real cell identifier. Real cell identity.
  • the foregoing migration request message may also include a real cell identifier, where the real cell identifier may be used to search for a real cell identifier according to the dynamic cell identifier, or may be used by the AP to find the real entity according to the dynamic cell identifier.
  • the cell identity is obtained.
  • the RNC may send a correspondence between the dynamic cell identifier and the real cell identifier to the core network or the AP, and then the CN or the AP implements the conversion between the dynamic cell identifier and the real cell identifier.
  • the migration request message is used.
  • the embodiment of the present invention is not limited.
  • the executor of the foregoing solution may be an RNC.
  • the global cell identifier includes the real RNC ID.
  • the global cell identifier includes the real RNC ID, and the core network may find the real RNC ID according to the real RNC ID.
  • the target RNC, the CN initiates a handover procedure to the target RNC; the RNC may acquire the real cell identifier of the target cell according to the dynamic cell identifier, because the RNC saves the correspondence between the dynamic cell identifier and the real cell identifier;
  • the UE can successfully initiate a handover from the Femto cell to the macro cell.
  • the cell ID sent by the RNC to the AP through the air interface is the dynamic cell ID.
  • the illegal third party cannot obtain the correspondence between the cell ID and the geographic location of the cell, thus improving information security.
  • the sending the dynamic cell identifier may be: periodically sending a dynamic cell identifier periodically, and using a corresponding relationship between different dynamic cell identifiers and real cell identifiers in each period;
  • the real cell identifier corresponding to the dynamic cell identifier included in the received migration request message may be: Corresponding relationship between the dynamic cell identifier of the period in which the cell identifier is located and the real cell identifier is used to search for the real cell identifier corresponding to the dynamic cell identifier included in the received migration request message.
  • Embodiment 2 The embodiment of the present invention further provides another method for global cell identifier processing. As shown in FIG. 3, the following steps may be included:
  • Step 301 Receive and save a correspondence between a dynamic radio network controller identifier and a real radio network controller identifier
  • the mapping between the dynamic wireless network controller identifier and the real wireless network controller identifier may be: mapping relationship between the dynamic wireless network controller identifier and the real wireless network controller identifier; or: dynamic wireless network controller identifier and real wireless
  • the foregoing correspondence may be a mapping relationship or a conversion key, which is not limited in the embodiment of the present invention.
  • Step 302 After receiving the dynamic global cell identifier, the dynamic global cell identifier includes a dynamic cell identifier and a dynamic radio network controller identifier, and the foregoing dynamic wireless is obtained by the correspondence between the dynamic radio network controller identifier and the real radio network controller identifier.
  • the network controller identifies the corresponding real wireless network controller identifier;
  • the real cell identifier corresponding to the dynamic cell identifier may be obtained by the corresponding relationship between the cell identifier and the real cell identifier.
  • Step 303 Send a global cell identifier including the identifier of the real radio network controller to the core network. If the real cell identifier is obtained in step 302, the global cell identifier including the real cell identifier may also be sent to the core network.
  • the executor of the foregoing embodiment may be an AP.
  • the AP obtains the correspondence between the dynamic RNC ID and the real RNC ID. After receiving the dynamic RNC ID, the AP may obtain the real RNC ID according to the corresponding relationship, and the AP obtains the real After the RNC ID, the global cell ID including the dynamic cell ID and the real RNC ID may be sent to the CN, and the CN performs subsequent switching operations, and may also The dynamic Cell ID is also converted to the real Cell ID. In this case, the AP obtains the real global Cell ID, including the real Cell ID and RNC ID. The AP can perform subsequent operations according to the original method. Therefore, the dynamic cell identifier is used. At the same time, the UE can successfully initiate a handover from the Femto cell to the macro cell.
  • the correspondence between the dynamic identifier and the real identifier may be: a mapping relationship between the dynamic identifier and the real identifier or a conversion key; the dynamic identifier is a dynamic cell identifier or a dynamic radio network controller identifier; and the real identifier is a real cell. Identification or real wireless network controller identity;
  • the real cell identifier corresponding to the dynamic cell identifier obtained by the correspondence between the dynamic cell identifier and the real cell identifier includes:
  • the real wireless network controller identifier corresponding to the dynamic radio network controller identifier obtained by the correspondence between the dynamic radio network controller identifier and the real radio network controller identifier includes: searching the dynamic radio network controller identifier and the real wireless The mapping relationship of the network controller identifier is obtained by the real radio network controller identifier corresponding to the dynamic radio network controller identifier;
  • the real cell identifier corresponding to the dynamic cell identifier obtained by the correspondence between the dynamic cell identifier and the real cell identifier includes:
  • the radio network controller identifier includes: decrypting the dynamic radio network controller identifier by using the conversion key to obtain a real radio network controller identifier.
  • the corresponding relationship between the dynamic cell identifier and the real cell identifier may be: receiving and storing the correspondence between the dynamic cell identifier periodically sent and the real cell identifier, and different dynamic cell identifiers and realities are used in each period. Correspondence relationship of cell identifiers;
  • the real cell identifier corresponding to the dynamic cell identifier obtained by the correspondence between the dynamic cell identifier and the real cell identifier may be: the dynamic cell identifier corresponding to the real cell identifier in the period in which the dynamic cell identifier is located, and the dynamic cell identifier corresponding to the dynamic cell identifier Real cell identity.
  • the correspondence between the dynamic wireless network controller and the real wireless network controller may also be Periodically issued, and the corresponding relationship adopted in each cycle is different.
  • the specific implementation can be performed by referring to the implementation manner of the cell identifier.
  • Embodiment 3 This embodiment further describes the solution of Embodiment 1. In this embodiment,
  • the global cell ID delivered by the RNC includes: Dynamic Cell ID and real RNC ID.
  • the RNC ID of the macro network neighboring area that the AP searches for is real.
  • the AP sends the global cell identifier to the CN, including the dynamic cell ID and the real RNC ID.
  • the core network parses the RNC ID information, and the Cell ID is transparently transmitted on the core network.
  • the handover information is sent to the correct target macro RNC according to the real RNC ID in the global Cell ID, and does not affect the handover of the AP to the macro network.
  • Step 401 The macro RNC periodically generates a dynamic Cell ID of all the cells under it, and the RNC ID is its real RNC ID.
  • the macro RNC saves the relationship between the dynamic Cell ID and the real Cell ID. The corresponding relationship can be used by the operator.
  • the information query is performed on the query server by interacting with the macro network system.
  • the dynamic cell ID of all cells in the RNC is sent by the system message update.
  • Step 402 When the AP is powered on to perform automatic neighbor search or perform periodic automatic neighbor search, the dynamic cell ID and the real RNC ID are obtained from the system message broadcast by the air interface macro RNC, and the macro cell neighboring area is configured by using this parameter. ;
  • Step 403 When a certain UE of the AP cell needs to perform handover to the macro network, the AP initiates a handover procedure, and brings the dynamic cell ID and the real RNC ID of the target macro RNC to the CN.
  • the gateway (Access Gateway, AG) sends a Relocation Required message to the CN, initiates a handover procedure, and brings the dynamic Cell ID of the target macro RNC to the CN through a Relocation Required message;
  • Step 404 The message sent by the AP to the CN through the AG includes the real RNC ID, and the CN sends a message to the target RNC according to the RNC ID to continue the handover process. Specifically, the CN can send a handover request (Relocation Request) message to the correct target RNC according to the RNC ID;
  • Relocation Request handover request
  • Step 405 The macro RNC converts the dynamic Cell ID into a real Cell ID according to the mapping relationship between the dynamic Cell ID and the real Cell ID saved by the macro RNC.
  • the handover request may be:
  • the dynamic Cell ID in the message is converted into a real Cell ID.
  • the RNC finds the corresponding cell of the corresponding base station (NodeB) according to the real Cell ID, and establishes a Radio Link (RL) on the NodeB.
  • NodeB base station
  • RL Radio Link
  • Step 406 The RNC sends a message to the CN to inform the core network that the target cell has completed the handover preparation.
  • the specific message may be: sending a Relocation Request Ack message to inform the core network that the target cell has completed the handover preparation;
  • Step 407 Step 408: The CN sends a message to the Femto system (including the AP and the AG) to notify the AP that the user equipment (UE) can be triggered to be handed over. Specifically, the message may be sent by using a Relocation Command message. The AP can trigger the UE to switch.
  • Step 409 The AP initiates Radio Resource Control (R C ) and Radio Bearer (RB) reconfiguration (Reconfiguration) to the UE;
  • R C Radio Resource Control
  • RB Radio Bearer
  • Step 410 After the UE completes the reconfiguration, the UE sends a message to the RNC to notify the RNS that the UE has completed the handover. Specifically, the UE may send an R C RB Reconfiguration Complete message to inform the RNC that the UE has completed the handover.
  • Step 411 The RNC sends a message to the CN to notify the CN that the target cell has completed the migration. Specifically, the message may be: sending a Relocation Complete message to notify the CN target cell that the migration has been completed.
  • Iu release command Release Command
  • Step 414 The AP releases the resource.
  • Step 415, Step 416 The Femto system returns a message to the CN to inform the CN source cell that the Iu interface link is released. Specifically, the Iu release complete (Release Complete) message may be sent to inform the CN source cell that the Iu interface link is released. The entire switching process.
  • Iu release complete Release Complete
  • the dynamic global 'j, the RNC ID in the area identifier is the real RNC ID; according to the original process, the dynamic cell identifier reported by the AP includes the real RNC ID, and the core network can find the target RNC according to the real RNC ID.
  • the target RNC sends the dynamic cell identifier to perform cell handover.
  • the RNC can obtain the real cell identifier of the target cell according to the dynamic cell identifier, because the dynamic cell identifier and the real cell identifier are saved in the RNC. Therefore, when the dynamic cell identifier is used, The UE can successfully initiate a handover from the Femto cell to the macro cell.
  • the embodiment will use the dynamic cell ID and the real cell ID mapping relationship, and the dynamic RNC ID and the real RNC ID mapping relationship as an example.
  • the AP will dynamically generate the Cell ID and The RNC IDs are all converted to real. For convenience, we call the conversion of the dynamic global Cell ID to the real global Cell ID. As shown in Figure 5, the following steps are included:
  • Step 501 The macro RNC periodically generates a dynamic global Cell ID of all cells under it.
  • the dynamic global Cell ID of a cell that H does not generate is Paral;
  • Step 502 After the dynamic global Cell ID is generated, the macro RNC sends the mapping relationship between the dynamic global cell ID and the real global cell ID to the RNC network management system. To facilitate the processing of the RNC, all macro RNCs can set a unified dynamic global cell ID. Generation cycle and time point). Further, in order to ensure that the macro RNC obtains the latest mapping relationship information before updating the dynamic global cell ID in the system message, the macro RNC may set a delay timer t1 after the dynamic global Cell ID of a certain period is generated. After the delay is tl, the RNC updates the dynamic global Cell ID information of the period in the air interface system message.
  • Step 503 After receiving the mapping relationship reported by each RNC, the RNC network management merges the mapping relationship information of all the RNCs into a file and transmits the information to the AP system (AP network management system and AP) through the interface with the AP network management system.
  • the AP system AP network management system and AP
  • Step 504 The AP network management receives the mapping relationship between the dynamic global cell ID of the macro RNC and the real global cell ID, and sends it to all APs managed by the AP.
  • Step 505 The AP updates the mapping relationship between the dynamic global cell ID and the real global cell ID.
  • Step 506 The macro RNC updates the dynamic global Cell ID information of all the cells in the air interface system message, including Paral; the air interface system message can be received by the AP, the UE, and the like that receive the message in the air interface.
  • Step 507 When the AP performs an automatic neighbor search, the dynamic global Cell ID Paral is obtained from the air interface. At this time, the AP finds the real global Cell ID corresponding to Paral from the mapping relationship between the dynamic global cell ID and the real global cell ID, and configures the macro cell neighbor with the real global Cell lD. The subsequent AP to macro cell handover and the AP's own related characteristics all use the real global Cell ID information.
  • step 507 since the AP has acquired the real global Cell ID, it is related to the prior art. The switching process is the same and will not be described again.
  • the real cell ID information is obtained on the AP side, and the real RNC ID is also obtained.
  • the AP implements dynamic to real Cell ID conversion, and is used for AP to macro network handover and AP related features. With this method, the RNC ID in the Cell ID can also be dynamized, and will not be described here.
  • the AP After the AP obtains the mapping relationship between the dynamic global cell identifier and the real global cell identifier, the AP obtains the real global cell identifier and obtains the real RNC ID according to the mapping relationship after receiving the dynamic global cell identifier. After the real global cell identifier is used, the subsequent operations may be performed according to the original method. Therefore, when the dynamic cell identifier is used, the UE may successfully initiate a handover from the Femto cell to the macro cell.
  • the embodiment uses the dynamic cell ID and the real cell ID mapping key, and the dynamic RNC ID and the real RNC ID mapping key as an example.
  • the AP will be a dynamic cell. Both the ID and the RNC ID are converted to real. For convenience of description, we call the conversion of the dynamic global Cell ID to the real global Cell ID. As shown in Figure 6, the following steps are included:
  • Step 601 The RNC network management periodically generates a dynamic and real global Cell ID conversion key K1, and marks the K1 generation time t1.
  • the periodic generation of the conversion key can improve the difficulty of the key being cracked, thereby further improving security. Sex. It is also possible to implement the method of periodically generating a key, which is not limited in the embodiment of the present invention.
  • Step 602 After generating the key K1, the RNC network management sends the K1 to the RNC and the AP network management system, and the sending information carries the key K1 to generate the time stamp tl; and then the RNC and the AP system (the AP network management system and the AP) respectively obtain the The key K1 converts the global Cell ID:
  • Step 603 On the RNC side, the real global Cell ID of all the cells in the cell is encrypted by using the obtained key K1, and the dynamic global cell ID is obtained (for example, the global cell ID is Paral), and the Paral is sent in the air interface system message update. ;
  • Step 604 The AP network management system on the AP system side sends the key K1 with the generated time stamp to all the APs it manages.
  • the AP performs an automatic neighbor search at a certain time and records the execution time t2.
  • the AP can store multiple keys of the generation period.
  • the AP determines the correct key according to the time relationship between the neighbor search time t2 and each key generation time (compared from the latest time t1).
  • the dynamic global Cell ID is decrypted to obtain the real global Cell ID information, which is configured with the real global Cell ID. Macro cell neighborhood.
  • the subsequent AP to macro cell handover and the AP's own related characteristics all adopt real global Cell ID information.
  • the sixth embodiment of the present invention further provides a radio network controller, as shown in FIG. 7, which includes:
  • the global cell identifier sending unit 701 is configured to send a global cell identifier to the access point, where the global cell identifier includes a dynamic cell identifier and a real radio network controller identifier, so that the access point sends the global identifier including the real radio network controller identifier.
  • the cell identity is given to the core network;
  • the migration request message receiving unit 702 is configured to receive a migration request message sent by the core network, where the migration request message is received by the core network according to the global cell identifier after receiving the global cell identifier sent by the access point.
  • the real radio network controller identifies the transmission.
  • the migration request message includes a dynamic cell identifier
  • the wireless network controller further includes:
  • the real cell identifier searching unit 801 is configured to search for a real cell identifier corresponding to the dynamic cell identifier included in the received migration request message according to the correspondence between the saved dynamic cell identifier and the real cell identifier.
  • the global cell identifier sending unit 701 is specifically configured to periodically send a global cell identifier, and the corresponding relationship between the dynamic cell identifier and the real cell identifier is used in each period; the real cell identifier searching unit 801, specifically And searching for a real cell identifier corresponding to the dynamic cell identifier included in the received migration request message according to the correspondence between the dynamic cell identifier and the real cell identifier of the period in which the dynamic cell identifier is located.
  • an embodiment of the present invention further provides a radio network controller, including:
  • the dynamic radio network controller identifier generating unit 901 is configured to use the dynamic radio network controller flag Generating a corresponding relationship with the real wireless network controller identifier to generate a dynamic radio network controller identifier corresponding to the real radio network controller identifier;
  • the dynamic global cell identifier sending unit 902 is configured to send a dynamic global cell identifier to the access point, where the dynamic global cell identifier includes a dynamic cell identifier and a dynamic radio network controller identifier.
  • the correspondence sending unit 903 is configured to send, to the access point, a correspondence between the dynamic radio network controller identifier and the real radio network controller identifier.
  • the dynamic radio network controller identifier generating unit 901 is specifically configured to generate a dynamic radio network controller corresponding to the real radio network controller identifier according to the mapping relationship between the dynamic radio network controller identifier and the real radio network controller identifier. Identification
  • the corresponding relationship sending unit 903 is specifically configured to send, to the access point, a mapping relationship between the dynamic wireless network controller identifier and a real wireless network controller identifier;
  • the dynamic radio network controller identifier generating unit 901 is specifically configured to convert the real radio network controller identifier into a dynamic radio network controller identifier according to the dynamic radio network controller identifier and the realization key of the real radio network controller identifier;
  • the corresponding relationship sending unit 903 is specifically configured to send, to the access point, a conversion key of the dynamic wireless network controller identifier and the real wireless network controller identifier.
  • the dynamic radio network controller identifier generating unit 901 periodically generates a dynamic radio network controller corresponding to the real radio network controller identifier according to the correspondence between the dynamic radio network controller identifier and the real radio network controller identifier. Identification, each period adopts a corresponding relationship between different dynamic radio network controller identifiers and real radio network controller identifiers;
  • the corresponding relationship sending unit 903 is specifically configured to send, to the access point, a correspondence between a dynamic wireless network controller identifier used by the dynamic wireless network controller identifier and a real wireless network controller identifier.
  • an embodiment of the present invention further provides an access point, including: a correspondence receiving unit 1001, configured to receive a correspondence between a dynamic radio network controller identifier and a real radio network controller identifier. ;
  • the correspondence relationship storage unit 1002 is configured to save a correspondence between the identifier of the dynamic radio network controller and the identifier of the real radio network controller.
  • a dynamic global cell identifier receiving unit 1003 configured to receive a dynamic global cell identifier, where
  • the global cell identifier includes a dynamic cell identifier and a dynamic radio network controller identifier;
  • the real radio network controller identifier obtaining unit 1004 is configured to obtain, according to the correspondence between the dynamic radio network controller identifier and the real radio network controller identifier, The dynamic radio network controller identifies the corresponding real radio network controller identifier;
  • the global cell identity sending unit 1005 sends a global cell identifier including the identifier of the real radio network controller to the core network.
  • the corresponding relationship receiving unit 1001 is further configured to receive a correspondence between the dynamic 'J, the area identifier, and the real cell identifier;
  • the correspondence relationship storage unit 1002 is further configured to save a correspondence between the dynamic cell identifier and the real cell identifier.
  • Access points also include:
  • the real cell identifier obtaining unit 1101 is configured to obtain, by using a correspondence between the dynamic cell identifier and the real cell identifier, a real cell identifier corresponding to the dynamic cell identifier.
  • the global cell identifier sent by the global cell identity sending unit 1005 includes the real cell identifier.
  • the corresponding relationship receiving unit 1001 is specifically configured to receive a correspondence between a dynamically-issued dynamic radio network controller identifier and a real radio network controller identifier, and different dynamic radio network controller identifiers are used in each period. Corresponding relationship between the real radio network controller identifiers; the real radio network controller identifier obtaining unit 1004, specifically for identifying, by the dynamic radio network controller, the dynamic radio network controller identifier and the real radio network controller identifier The corresponding relationship is obtained by the real radio network controller identifier identified by the dynamic radio network controller.
  • an embodiment of the present invention further provides a network system, including: an access point 1201, a radio network controller 1202, and a core network 1203;
  • the radio network controller 1202 is configured to send a global cell identifier to the access point 1201, where the global cell identifier includes a dynamic cell identifier and a real radio network controller identifier; and receive a migration request message sent by the core network 1203.
  • the access point 1201 is configured to: after receiving the global cell identifier, send a global cell identifier including the real wireless network controller identifier to the core network 1203;
  • the core network 1203 is configured to receive, after receiving the global cell identifier sent by the access point 1201, according to The real radio network controller identifier included in the global cell identifier sends a migration request to the radio network controller 1202.
  • the migration request message sent by the core network 1203 includes a dynamic cell identifier
  • the radio network controller 1202 is further configured to: search and receive the migration request message according to the correspondence between the saved dynamic cell identifier and the real cell identifier.
  • an embodiment of the present invention further provides a network system, including: a radio network controller 1301, an access point 1302;
  • the radio network controller 1301 is configured to send, to the access point 1302, a correspondence between the dynamic radio network controller identifier and the real radio network controller identifier, and a dynamic global cell identifier.
  • the access point 1302 is configured to receive and save a correspondence between the dynamic radio network controller identifier and the real radio network controller identifier.
  • the dynamic global cell identifier After receiving the dynamic global cell identifier, the dynamic global cell identifier includes a dynamic cell identifier and a dynamic radio network control.
  • the identifier of the real radio network controller corresponding to the identifier of the dynamic radio network controller is obtained by the correspondence between the dynamic radio network controller identifier and the real radio network controller identifier; and the identifier includes the real radio network controller identifier
  • the global 'j, zone ID is given to the core network.
  • the radio network controller 1301 is further configured to send, to the access point 1302, a correspondence between the dynamic cell identifier and the real cell identifier.
  • the access point 1302 is further configured to receive and save a correspondence between the dynamic cell identifier and the real cell identifier, and after receiving the dynamic global cell identifier, obtain the dynamic cell identifier by using the corresponding relationship between the cell identifier and the real cell identifier.
  • Corresponding real cell identifier; the global cell identifier sent to the core network includes the real cell identifier.
  • the cell ID sent by the RNC to the AP through the air interface is a dynamic cell ID, and the illegal third party cannot obtain the correspondence between the cell ID and the geographic location of the cell, thereby improving information security.
  • the medium can be a read only memory, a magnetic disk or a compact disk or the like.

Landscapes

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

Abstract

Selon des modes de réalisation, la présente invention concerne un procédé, un dispositif et un système pour le traitement d'identités de cellules globales. La réalisation du procédé comprend la transmission d'une identité de cellule globale comprenant une identité de cellule dynamique et une identité de contrôleur de réseau radio (RNC) réel à un point d'accès (AP) pour permettre la transmission de l'identité de cellule globale comprenant l'identité du contrôleur RNC réel par le point d'accès vers un réseau fédérateur (CN); la réception d'un message de demande de relocalisation transmis par le réseau fédérateur; suite à la réception par le réseau fédérateur de l'identité de cellule globale transmise par le point d'accès, le message de demande de relocalisation est transmis sur la base de l'identité de contrôleur RNC réel incluse dans l'identité de cellule globale par le réseau fédérateur. Grâce à ce mode de réalisation, étant donné que l'identité de cellule transmise par le contrôleur RNC au point d'accès sur une interface radio est une identité de cellule dynamique, aucun tiers illégal ne peut acquérir la relation de mappage entre les identités de cellules et les positions géographiques des cellules, améliorant ainsi la sécurité de l'information.
PCT/CN2010/077372 2009-09-27 2010-09-27 Procédé, dispositif et système pour le traitement d'identités de cellules globales Ceased WO2011035735A1 (fr)

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CN103906041B (zh) * 2012-12-27 2017-09-15 中国移动通信集团公司 一种小区标识的同步方法、装置和系统
CN104254113B (zh) * 2013-06-29 2017-10-17 华为技术有限公司 多标准终端兼容处理方法、装置及系统
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