WO2009145304A1 - 移動通信方法及び交換局 - Google Patents
移動通信方法及び交換局 Download PDFInfo
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- WO2009145304A1 WO2009145304A1 PCT/JP2009/059877 JP2009059877W WO2009145304A1 WO 2009145304 A1 WO2009145304 A1 WO 2009145304A1 JP 2009059877 W JP2009059877 W JP 2009059877W WO 2009145304 A1 WO2009145304 A1 WO 2009145304A1
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- WIPO (PCT)
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- base station
- radio base
- station
- identification information
- mobile
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/08—Access security
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/04—Reselecting a cell layer in multi-layered cells
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/02—Access restriction performed under specific conditions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/042—Public Land Mobile systems, e.g. cellular systems
- H04W84/045—Public Land Mobile systems, e.g. cellular systems using private Base Stations, e.g. femto Base Stations, home Node B
Definitions
- the present invention relates to a mobile communication method and a switching center.
- Such a cell managed by a private micro base station for a specific user is collectively referred to as a “femto cell”.
- the femto cell is operated at a frequency different from that of the macro cell in order to avoid interference with a cell (referred to as a “macro cell” for convenience) managed by a general radio base station constituting an existing public communication network. There is a case.
- a mobile station residing in a macro cell does not measure control signals at other frequencies unless the reception quality of all control signals at the serving frequency falls below a certain level.
- the priority of the “PLMN-ID” of the femtocell is set higher than the “PLMN-ID” of the macrocell, and the mobile station periodically measures the control signal at the frequency of the femtocell. Let the femtocells be discovered.
- the mobile station stores therein the ID of the macro cell and the ID of the location registration area that are overlaid on the femto cell having connection authority.
- the control signal at the frequency of the femto cell is measured.
- the ID of the macro cell overlaying the femto cell and the ID of the location registration area are stored inside the mobile station, or the stored macro cell ID and the location registration area ID are stored from the macro cell.
- a mechanism such as checking the received macro cell ID and the location registration area ID is newly required for the mobile station.
- the present invention has been made in view of the above-described problems, and in a mobile communication system in which a femto cell is introduced, a mobile station already on the market can operate the femto cell at the same frequency as the serving frequency. It is an object of the present invention to provide a mobile communication method and an exchange that can be discovered.
- a first feature of the present invention is a mobile communication method, in which a mobile station that is waiting in a cell under a first radio base station sends an identification information and specific identification information of the mobile station to an exchange station. And, when the exchange receives the specific identification information, transmits the received identification information of the mobile station and identification information of the second radio base station to the service control station. B and a step in which the service control station determines whether the mobile station has an access right to the second radio base station based on the received identification information of the mobile station and the identification information of the second radio base station. C, and when the mobile station determines that the mobile station has an access right to the second radio base station, the switching center transmits the second radio base station to the second radio base station.
- the exchange determines whether or not the second radio base station is a neighboring base station of the first radio base station.
- the mobile station identification information and the second radio base station identification information are transmitted to the service control station.
- the switching station may transmit specific guidance to the mobile station when it is determined that the second radio base station is not a neighboring base station of the first radio base station.
- the exchange when the exchange receives the specific identification information, the exchange receives the identification information of the mobile station and the specific identification information or the first radio base.
- the second radio base station identification information corresponding to the station identification information may be transmitted to the service control station.
- the switching center sends a parameter for radio communication used in the second radio base station to the first radio base station. It may be instructed to be the same as the wireless communication parameter used in FIG.
- the wireless communication parameter may be at least one of a spreading code, a frequency, or a time timing.
- the specific identification information may be a specific telephone number, a specific service code based on “USSD (Unstructured Supplementary Service Data)”, a specific URL, or a specific mail address.
- USSD Unstructured Supplementary Service Data
- the second feature of the present invention is the switching station, and when the specific identification information is received from the mobile station waiting in the cell under the first radio base station, the received identification information of the mobile station is received. And the identification information of the second radio base station is transmitted to the service control station, and the service control station determines whether the mobile station has an access right to the second radio base station. When a result is received and it is determined that the mobile station has an access right to the second radio base station, radio communication used in the second radio base station is transmitted to the second radio base station.
- the gist of the present invention is that it is configured to instruct to change the operation parameter.
- the second radio base station is configured to determine whether or not the second radio base station is a neighboring base station of the first radio base station.
- the mobile station identification information and the second radio base station identification information are transmitted to the service control station when it is determined that the base station is a peripheral base station of one radio base station, When it is determined that the second radio base station is not a peripheral base station of the first radio base station, a specific guidance may be transmitted to the mobile station.
- the received identification information of the mobile station when the specific identification information is received, the received identification information of the mobile station and the second identification information corresponding to the specific identification information or the identification information of the first radio base station.
- the wireless base station identification information may be transmitted to the service control station.
- a radio communication parameter used in the second radio base station is changed to a radio communication parameter used in the first radio base station. You may instruct them to do the same.
- the wireless communication parameter may be at least one of a spreading code, a frequency, or a time timing.
- the specific identification information may be a specific telephone number, a specific service code based on “USSD (Unstructured Supplementary Service Data)”, a specific URL, or a specific mail address.
- USSD Unstructured Supplementary Service Data
- a mobile station that is already on the market can detect a femto cell at the same frequency as the serving frequency.
- a communication method and an exchange can be provided.
- FIG. 1 is an overall configuration diagram of a mobile communication system according to a first embodiment of the present invention.
- FIG. 2 is a functional block diagram of the switching center according to the first embodiment of the present invention.
- FIG. 3 is a diagram illustrating an example of the special number information managed by the special number information management unit of the switching center according to the first embodiment of the present invention.
- FIG. 4 is a diagram illustrating an example of access information managed by the service control station according to the first embodiment of the present invention.
- FIG. 5 is a diagram illustrating an example of the standby frequency information managed by the standby frequency management unit of the switching center according to the first embodiment of the present invention.
- FIG. 6 is a sequence diagram showing operations of the mobile communication system according to the first embodiment of the present invention.
- FIG. 7 is an overall configuration diagram of a mobile communication system according to Modification 1 of the present invention.
- the mobile communication system includes a service control station 600, a switching center 500, a radio control device 100, a security device SGW (Security Gateway) 400, and radio base stations 200 to 202. It is equipped with.
- the radio base stations 200 to 202 are accommodated in the radio network controller 100.
- the radio network controller 100 assigns radio communication parameters used for radio communication between the radio base stations 200 to 202 and the mobile station 300 to the radio base stations 200 to 202, or It is configured to manage parameters.
- the wireless base station 202 is a public communication wireless base station installed in a mobile communication carrier network managed by the mobile communication carrier, and the wireless base stations 200 and 201 are provided by the mobile communication carrier. This is a home radio base station under the control of a user (owner of radio base stations 200 and 201) who has subscribed to the communication service being performed.
- the wireless base stations 200 and 201 are installed in a LAN (Local Area Network) managed by the above-described user, and are wirelessly connected to the mobile communication carrier network via the FTTH or ADSL access carrier network. It is connected to the control device 100.
- LAN Local Area Network
- the SGW 400 is installed on the boundary line of the mobile communication carrier network.
- the SGW 400 is a gateway device for protecting the mobile communication carrier network from unauthorized access from other networks, and is configured to pass only access authorized by the authentication procedure to the mobile communication carrier network. Yes.
- the mobile stations that can access the radio base stations 200 and 201 are only specific mobile stations to which the access right is given by the above-described user.
- the radio base station 202 is installed under the control of the mobile communication carrier, and any mobile station of the user of the mobile communication carrier can access the radio base station 202 without any limitation.
- radio base stations 200 to 202 are operating at different frequencies, that is, frequencies # 0 to # 2.
- the mobile station 300 is a mobile station held by the above-described user and can communicate with the radio base stations 200 to 202. However, since each of the radio base stations 200 to 202 is operated at a different frequency, the mobile station 300 Even if the network 300 enters a cell under another radio base station in a state where it is located in a cell under a certain radio base station, the cell 300 autonomously searches for a cell under the other radio base station. Cannot be in that cell.
- the exchange 500 is a packet communication exchange or a circuit exchange exchange connected to the wireless control device 100 and the service control station 600.
- the exchange 500 includes a specific identification information management unit 11, a specific identification information reception unit 12, a neighboring radio base station determination unit 13, a guidance information transmission unit 14, an access right confirmation unit 15, A standby frequency management unit 16 and a notification unit 17 are provided.
- the specific identification information management unit 11 is configured to store “specific identification information”, “radio base station ID”, and “peripheral radio base station ID” in association with each other.
- Specific identification information is specific identification information notified by the mobile station 300 that desires to wait in cells under the radio base stations 200 and 201 (second radio base stations) that are home radio base stations.
- specific identification information a specific telephone number, a specific service code by “USSD (Unstructured Supplementary Service Data)”, a specific URL, a specific mail address, or the like is assumed.
- the “peripheral radio base station ID” is information for specifying the peripheral radio base station of the radio base station specified by the “radio base station ID”.
- the specific identification information receiving unit 12 is configured to receive the specific identification information transmitted by the mobile station 300 that is waiting in a cell under the radio base station 202 (first radio base station) that is a public radio base station. Has been.
- the surrounding radio base station determination unit 13 refers to the specific identification information management unit 11 and responds to the specific identification information
- the second radio base station (for example, radio base stations 200 and 201 which are home radio base stations) is the first radio base station where the mobile station 300 is currently located (the radio base station 202 which is a public radio base station). ) To determine whether it is a neighboring radio base station.
- the access right confirmation unit 15 determines that the second radio base station corresponding to the specific identification information is a peripheral base station of the first radio base station in which the mobile station 300 is currently located.
- the second radio base station corresponding to the specific identification information of the mobile station 300 by transmitting the identification information of the mobile station and the identification information of the second radio base station corresponding to the specific identification information to the station 600 It is configured to acquire a determination result of whether or not there is an access right to.
- the access right confirmation unit 15 manages an access right table associating “mobile station” and “connectable radio base station” as shown in FIG. 4 based on the determination result received from the service control station 600. It may be configured as follows.
- the specific identification information management unit 11 stores the “first radio base station ID” and the “second radio base station ID” in association with each other, and the access right confirmation unit 15 Corresponds to the service control station 600, the identification information of the mobile station 300, and the identification information of the first radio base station in which the mobile station 300 is currently located ("first radio base station ID")
- the identification information (“second radio base station ID”) of the radio base station to be transmitted may be transmitted as the identification information of the second radio base station corresponding to the specific identification information.
- the guidance information transmitting unit 14 determines that the second radio base station corresponding to the specific identification information is not a peripheral base station of the first radio base station in which the mobile station 300 is currently located. A specific guidance is transmitted to 300.
- the guidance information transmitting unit 14 determines that the mobile station 300 does not have access rights to the second radio base station corresponding to the specific identification information in the determination result received from the service control station 600. A specific guidance is transmitted to the mobile station 300.
- the standby frequency management unit 16 is configured to store “radio base station ID” and “standby frequency” in association with each other.
- the “standby frequency” is a stand-by frequency for being in the radio base station specified by the “radio base station ID”.
- the notification unit 17 It is configured to instruct the station to change the parameters for wireless communication used in the second wireless base station.
- the notification unit 17 determines that the mobile station 300 has an access right to the second radio base station corresponding to the specific identification information in the determination result received from the service control station 600. Instructing the second radio base station to make the radio communication parameter used in the second radio base station the same as the radio communication parameter used in the first radio base station It is configured.
- the parameter for wireless communication is at least one of spreading code, frequency, or time timing.
- the service control station 600 is configured to store subscriber information.
- the service control station 600 is connected to the exchange 500, and is configured to store information on radio base stations to which each mobile station 300 can be connected as shown in FIG.
- step S1000 when the owner holding the mobile station 300 makes a contract with the femto service (that is, when a home radio base station is purchased), in step S1000, the radio base stations 200 and 201 are located in the area. Specific identification information (for example, a specific telephone number) to be notified is distributed to the mobile station 300, and the specific identification information is distributed to the switching center 500 in step S1001.
- Specific identification information for example, a specific telephone number
- step S1002 when the mobile station 300 is located in a cell subordinate to the radio base station 202 (that is, operating at the standby frequency # 2), the owner in step S1003, for example, in a house Returning home, entering a cell under radio base station 200, and performing a call operation using specific identification information 200 in step S1004.
- step S1005 the switching center 500 receives the specific identification information 200, the mobile station identification information 300, and the in-zone radio base station identification information 202 via the radio base station 202 and the radio network controller 100.
- the switching center 500 refers to the specific identification information management unit 11, and the radio base station 200 corresponding to the specific identification information 200 is a peripheral radio of the radio base station 202 where the mobile station 300 is currently located. It is determined whether or not it is a base station.
- the switching center 500 transmits the radio base station 200 to the mobile station 300 via the radio control device 100 and the radio base station 202 in step S1007. Then, a specific guidance indicating that the radio base station 200 cannot stand by is notified, and the operation ends.
- the switching center 500 determines that the radio base station identification information 200 corresponding to the specific identification information 200 and the mobile station in step S1008.
- the station identification information 300 is transmitted to the service control station 600.
- step S1009 the service control station 600 refers to the access right table shown in FIG. 5 and determines whether the mobile station 300 has access rights to the radio base station 200.
- step S1010 the service control station 600 notifies the switching center 500 of a determination result (NG) indicating that, and step In S1010, the switching center 500 notifies the mobile station 300 via the radio network controller 100 and the radio base station 202 of specific guidance indicating that the radio base station 200 cannot wait, The operation ends.
- NG determination result
- step S1012 the service control station 600 notifies the switching center 500 of a determination result (OK) indicating that.
- the switching center 500 refers to the standby frequency management unit 16 and sets a standby frequency for the mobile station 300 to be located in the radio base station 200 (the standby frequency used in the radio base station 202. Frequency) # 2 is acquired, and in step S1014, the standby frequency # 2 is notified to the radio base station 200 via the radio network controller 100.
- the switching center 500 changes the standby frequency corresponding to the radio base station 200 from “# 0” to “# 2” in the standby frequency management unit 16 shown in FIG.
- the exchange station 500 may not be notified via the wireless control device 100.
- step S1015 the radio base station 200 notified of the standby frequency # 2 changes the standby frequency from “# 0” to “# 2”.
- the mobile station UE transmits a control signal in a cell (femto cell) under the radio base station 200 that is the home radio base station at the same frequency # 2 as the cell under the radio base station 202 that is currently in the area. It can be received and measured.
- the W-CDMA mobile communication system has been described as an example.
- the present invention is not limited to such a mobile communication system.
- the present invention is also applicable to a LTE (Long Term Evolution) mobile communication system.
- the function of the radio control station 100 described above is installed in the radio base station eNB (radio base station 202) or the switching center MME (switching station 500).
- a part of the function of the service control station 600 (for example, the access right of the mobile station 300 to the radio base station 200 or 201 The function of determining the presence or absence) may be provided in the exchange 500.
- a part or all of the functions 11 to 17 of the switching center 500 may be provided in the radio base station 200.
- the security device SGW 400 may include the function of the aggregation device HNB-GW that aggregates the radio base stations 200 and 201 that are home radio base stations.
- the security device SGW400 In such a case, in the mobile communication system according to the first embodiment described above or the mobile communication system according to the modification, some or all of the functions of the switching center 500 and the service control station 600 are provided in the security device SGW400. It may be.
- the operations of the radio base stations 200 to 202, the radio network controller 100, the switching center 500, the service control station 600, and the gateway device SGW 400 may be implemented by hardware or by software modules executed by a processor. It may be implemented or a combination of both.
- the software modules include RAM (Random Access Memory), flash memory, ROM (Read Only Memory), EPROM (Erasable Programmable ROM), EEPROM (Electronically Erasable and Programmable, Removable ROM, Hard Disk, and Removable ROM).
- RAM Random Access Memory
- flash memory ROM (Read Only Memory)
- EPROM Erasable Programmable ROM
- EEPROM Electrically Erasable and Programmable, Removable ROM, Hard Disk, and Removable ROM.
- it may be provided in a storage medium of an arbitrary format such as a CD-ROM.
- Such a storage medium is connected to the processor so that the processor can read and write information from and to the storage medium. Further, such a storage medium may be integrated in the processor. Further, such a storage medium and a processor may be provided in the ASIC. Such an ASIC may be provided in the radio base stations 200 to 202, the radio network controller 100, the switching center 500, the service control station 600, and the gateway device SGW400. Further, the storage medium and the processor may be provided in the radio base stations 200 to 202, the radio network controller 100, the switching center 500, the service control station 600, and the gateway device SGW 400 as discrete components.
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Abstract
Description
図1乃至図5を参照して、本発明の第1の実施形態に係る移動通信システムの構成について説明する。
図6を参照して、本発明の第1の実施形態に係る移動通信システムの動作について説明する。
本発明の第1の実施形態に係る移動通信システムによれば、ホーム無線基地局配下のセルに進入した際に、オーナー自らフェムトセルの待受周波数への遷移を指示するための特定識別情報を定義することにより、待受セルにおける制御信号の受信品質が一定値以下にならない限り、他の周波数セルをサーチしないような既存の移動局においても、高速通信や料金優遇等の実現を期待できるフェムトセルに優先的に在圏することができる。
上述の実施形態では、W-CDMA方式の移動通信システムを例に挙げて説明されているが、本発明は、かかる移動通信システムに限定されるものではなく、例えば、図7に示すように、LTE(Long Term Evolution)方式の移動通信システムにも適用可能である。
Claims (12)
- 第1無線基地局配下のセルにおいて待ち受けを行っている移動局が、交換局に対して、該移動局の識別情報及び特定識別情報を送信する工程Aと、
前記交換局が、前記特定識別情報を受信した場合に、受信した前記移動局の識別情報及び第2無線基地局の識別情報を、サービス制御局に対して送信する工程Bと、
前記サービス制御局が、受信した前記移動局の識別情報及び前記第2無線基地局の識別情報に基づいて、該移動局の該第2無線基地局に対するアクセス権の有無を判定する工程Cと、
前記移動局が、前記第2無線基地局に対するアクセス権を有していると判定された場合、前記交換局が、該第2無線基地局に対して、該第2無線基地局において用いられる無線通信用パラメータを変更するように指示する工程Dとを有することを特徴とする移動通信方法。 - 前記工程Bにおいて、
前記交換局は、前記第2無線基地局が前記第1無線基地局の周辺基地局であるか否かについて判定し、
前記交換局は、前記第2無線基地局が前記第1無線基地局の周辺基地局であると判定した場合に、前記移動局の識別情報及び前記第2無線基地局の識別情報を前記サービス制御局に対して送信し、
前記交換局は、前記第2無線基地局が前記第1無線基地局の周辺基地局でないと判定した場合に、前記移動局に対して、特定ガイダンスを送信することを特徴とする請求項1に記載の移動通信方法。 - 前記工程Bにおいて、前記交換局は、前記特定識別情報を受信した場合に、受信した前記移動局の識別情報、及び、該特定識別情報或いは前記第1無線基地局の識別情報に対応する前記第2無線基地局の識別情報を、前記サービス制御局に対して送信することを特徴とする請求項1に記載の移動通信方法。
- 前記工程Dにおいて、前記交換局は、前記第2無線基地局に対して、該第2無線基地局において用いられる無線通信用パラメータを、前記第1無線基地局において用いられている無線通信用パラメータと同じにするように指示することを特徴とする請求項1に記載の移動通信方法。
- 前記無線通信用パラメータは、拡散コード、周波数、或いは、時間タイミングの少なくとも1つであることを特徴とする請求項1に記載の移動通信方法。
- 前記特定識別情報は、特定電話番号、「USSD(Unstructured Supplementary Service Data)」による特定サービスコード、特定URL、或いは、特定メールアドレスであることを特徴とする請求項1に記載の移動通信方法。
- 第1無線基地局配下のセルにおいて待ち受けを行っている移動局から、特定識別情報を受信した場合に、受信した前記移動局の識別情報及び第2無線基地局の識別情報を、サービス制御局に対して送信するように構成されており、
前記サービス制御局から、前記移動局の前記第2無線基地局に対するアクセス権の有無についての判定結果を受信し、前記移動局が前記第2無線基地局に対するアクセス権を有していると判定された場合、該第2無線基地局に対して、該第2無線基地局において用いられる無線通信用パラメータを変更するように指示するように構成されていることを特徴とする交換局。 - 前記第2無線基地局が前記第1無線基地局の周辺基地局であるか否かについて判定するように構成されており、
前記第2無線基地局が前記第1無線基地局の周辺基地局であると判定した場合に、前記移動局の識別情報及び前記第2無線基地局の識別情報を前記サービス制御局に対して送信するように構成されており、
前記第2無線基地局が前記第1無線基地局の周辺基地局でないと判定した場合に、前記移動局に対して、特定ガイダンスを送信するように構成されていることを特徴とする請求項7に記載の交換局。 - 前記特定識別情報を受信した場合に、受信した前記移動局の識別情報、及び、該特定識別情報或いは前記第1無線基地局の識別情報に対応する前記第2無線基地局の識別情報を、前記サービス制御局に対して送信するように構成されていることを特徴とする請求項7に記載の交換局。
- 前記第2無線基地局に対して、該第2無線基地局において用いられる無線通信用パラメータを、前記第1無線基地局において用いられている無線通信用パラメータと同じにするように指示するように構成されていることを特徴とする請求項7に記載の交換局。
- 前記無線通信用パラメータは、拡散コード、周波数、或いは、時間タイミングの少なくとも1つであることを特徴とする請求項7に記載の交換局。
- 前記特定識別情報は、特定電話番号、「USSD(Unstructured Supplementary Service Data)」による特定サービスコード、特定URL、或いは、特定メールアドレスであることを特徴とする請求項7に記載の交換局。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/995,050 US8135409B2 (en) | 2008-05-29 | 2009-05-29 | Mobile communication method and exchange station |
EP09754812.7A EP2282585A4 (en) | 2008-05-29 | 2009-05-29 | MOBILE AND CENTRAL COMMUNICATION METHOD |
CN200980119742.3A CN102047730B (zh) | 2008-05-29 | 2009-05-29 | 移动通信方法以及交换站 |
JP2010514556A JP5033914B2 (ja) | 2008-05-29 | 2009-05-29 | 移動通信方法及び交換局 |
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PCT/JP2009/059877 WO2009145304A1 (ja) | 2008-05-29 | 2009-05-29 | 移動通信方法及び交換局 |
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US (1) | US8135409B2 (ja) |
EP (1) | EP2282585A4 (ja) |
JP (1) | JP5033914B2 (ja) |
CN (1) | CN102047730B (ja) |
WO (1) | WO2009145304A1 (ja) |
Cited By (1)
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JP2019192977A (ja) * | 2018-04-19 | 2019-10-31 | ソフトバンク株式会社 | 移動通信システム |
Families Citing this family (3)
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US20090131017A1 (en) * | 2007-11-15 | 2009-05-21 | Airwalk Communications, Inc. | System, method, and computer-readable medium for access restriction of user equipment devices in an ip-femtocell system |
EP2688322A1 (en) * | 2012-07-19 | 2014-01-22 | Alcatel Lucent | Protected broadcast in a warning message delivery chain |
EP2925082A4 (en) * | 2012-12-20 | 2016-01-27 | Huawei Tech Co Ltd | WIRELESS COMMUNICATION METHOD, ACCESS DEVICE, AND WIRELESS COMMUNICATION SYSTEM |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2007040449A1 (en) * | 2005-10-04 | 2007-04-12 | Telefonaktiebolaget Lm Ericsson (Publ) | Access control in radio access network having pico base stations |
Family Cites Families (6)
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WO1996013132A1 (en) * | 1994-10-24 | 1996-05-02 | Ameritech Corporation | Wireless digital personal communications system having voice/data/image two-way calling and intercell hand-off |
CN1096210C (zh) * | 1996-10-04 | 2002-12-11 | Ntt移动通信网株式会社 | 限制与宏小区服务相协调的微小区服务的移动通信方案 |
US7729697B2 (en) * | 2002-10-25 | 2010-06-01 | Intel Corporation | Private base station with exclusivity |
ATE521205T1 (de) * | 2004-12-22 | 2011-09-15 | Ericsson Telefon Ab L M | Verteilte picozellen-mobilität |
US8743825B2 (en) * | 2006-08-17 | 2014-06-03 | Nokia Corporation | Handovers in a communication system |
US8755793B2 (en) * | 2008-01-04 | 2014-06-17 | Qualcomm Incorporated | Apparatus and methods to facilitate seamless handoffs between wireless communication networks |
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2009
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- 2009-05-29 JP JP2010514556A patent/JP5033914B2/ja not_active Expired - Fee Related
- 2009-05-29 WO PCT/JP2009/059877 patent/WO2009145304A1/ja active Application Filing
- 2009-05-29 US US12/995,050 patent/US8135409B2/en not_active Expired - Fee Related
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WO2007040449A1 (en) * | 2005-10-04 | 2007-04-12 | Telefonaktiebolaget Lm Ericsson (Publ) | Access control in radio access network having pico base stations |
Cited By (1)
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JP2019192977A (ja) * | 2018-04-19 | 2019-10-31 | ソフトバンク株式会社 | 移動通信システム |
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US8135409B2 (en) | 2012-03-13 |
US20110165876A1 (en) | 2011-07-07 |
JPWO2009145304A1 (ja) | 2011-10-20 |
CN102047730A (zh) | 2011-05-04 |
EP2282585A1 (en) | 2011-02-09 |
CN102047730B (zh) | 2014-03-19 |
JP5033914B2 (ja) | 2012-09-26 |
EP2282585A4 (en) | 2015-03-25 |
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