WO2009104648A1 - 移動通信システム、位置登録方法、ハンドオーバ方法、交換局、移動局及び無線制御局 - Google Patents
移動通信システム、位置登録方法、ハンドオーバ方法、交換局、移動局及び無線制御局 Download PDFInfo
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- WO2009104648A1 WO2009104648A1 PCT/JP2009/052806 JP2009052806W WO2009104648A1 WO 2009104648 A1 WO2009104648 A1 WO 2009104648A1 JP 2009052806 W JP2009052806 W JP 2009052806W WO 2009104648 A1 WO2009104648 A1 WO 2009104648A1
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- radio base
- base station
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- mobile
- location registration
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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
- H04L63/101—Access control lists [ACL]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/60—Context-dependent security
- H04W12/69—Identity-dependent
- H04W12/73—Access point logical identity
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/34—Reselection control
- H04W36/38—Reselection control by fixed network equipment
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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
- H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
- H04W60/04—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration using triggered events
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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 system, a location registration method, and an exchange station that are configured to determine whether mobile station location registration processing is possible for a cell under a radio base station that can be set to either an open state or a closed state. , Relating to mobile stations.
- the present invention also provides a mobile communication system, a handover method, and a radio control station configured to determine whether or not a mobile station can be handed over to a cell under a radio base station that can be set to either an open state or a closed state. About.
- Non-Patent Document 1 A mobile communication system called “Universal Mobile Telecommunications System” has been proposed and is specified in “Non-Patent Document 1”.
- a W-CDMA mobile communication system includes a mobile station UE (User Equipment), a radio base station NodeB, a radio control station RNC (Radio Network Controller), and an exchange MSC / SGSN (Mobile).
- a cellular mobile communication system is configured with Switching Center / Serving GPRS Support Node. Such a cellular control unit is an area called a “cell”.
- a device for storing subscriber information called home memory is usually provided separately from the switching center, but in the example of FIG.
- the function shall be included in the switching center MSC / SGSN.
- a mobile station UE in a “standby state” that is turned on but is not communicating, that is, waiting for an outgoing operation by a user's terminal operation or an incoming call by a call Is configured to measure the reception power of a pilot signal transmitted by the radio base station NodeB and autonomously select an optimal pilot signal (that is, a cell corresponding to the optimal pilot signal).
- an optimal pilot signal that is, a cell corresponding to the optimal pilot signal
- the mobile station UE that has selected the optimal pilot signal (that is, the cell corresponding to the optimal pilot signal) is configured to stand by in the cell. At this time, the mobile station UE is configured to perform location registration processing on the cell.
- step S3001 the mobile station UE compares the cell position number included in the broadcast information of the selected cell with the cell position number stored in the mobile station UE.
- the mobile station UE ends this operation and continues standby in the cell in step S3002.
- the mobile station UE transmits a “RRC Connection Request message” to the radio control station RNC in steps S3003 and S3004, thereby communicating with the radio control station RNC.
- a "Routing Area Update Request message (location registration request)" for requesting location registration processing for the selected cell is transmitted to the switching center MSC / SGSN.
- the radio control station RNC assigns the location number of the cell stored in itself when transferring the “Routing Area Update Request message (location registration request)” to the switching center MSC / SGSN. .
- the cell location number given to the “Routing Area Update Request message (location registration request)” is the same as the cell location number included in the broadcast information of the cell.
- the mobile station UE After the authentication processing for the mobile station UE is performed in step S3006, the mobile station UE receives a “Routing Area Update Accept message (location registration response)” from the exchange MSC / SGSN in step S3007. In 3008, after storing the location number of the cell, in step S3009, a “Routing Area Update Complete message (location registration completion response)” is returned to the exchange MSC / SGSN, and in step S3011, The radio link with the radio control station RNC is released.
- step S3010 the exchange MSC / SGSN that has received the “Routing Area Update Complete message (location registration completion response)” registers the location number of the cell in association with the mobile station UE.
- the purpose of the location registration process is to limit the cells to which a call signal is transmitted when an incoming call is made to a specific mobile station UE.
- the switching center MSC / SGSN and the radio network controller RNC do not need to send a call signal to all cells in the mobile communication system when receiving an incoming call to a specific mobile station UE.
- the call signal need only be sent to the cell group corresponding to the registered position number.
- a mobile station UE that is in a communication state in a specific cell measures the reception power of a pilot signal in the cell and neighboring cells, and the measurement result is periodically or
- the radio control station RNC is configured to report to the radio control station RNC at an opportunity based on the result of periodic threshold determination.
- the radio control station RNC that has received the report of the measurement result selects an optimal cell, notifies the radio base station NodeB or the mobile station UE, and performs communication between the mobile station UE and the radio base station NodeB. Done. Description of the cell selection algorithm in the radio control station RNC is omitted.
- the mobile station UE moves, it is possible to change the cell for communication during communication (handover).
- the switching center MSC / SGSN When the connection procedure between the mobile station UE and the switching center MSC / SGSN is completed in step S4001, the switching center MSC / SGSN sends a radio access bearer (RAB: Radio Access) to the radio control station RNC in step S4002.
- RNB Radio Access
- a “RAB Assignment message” for requesting the setting of (Bearer) is transmitted, and in step S4003, a radio access bearer is established.
- the radio control station RNC When the radio control station RNC receives the measurement result reported from the mobile station UE periodically or in response to periodic threshold determination in step S4004, the radio control station RNC displays the measurement result in step S4005. Based on this, the optimum cell is selected and the handover is led.
- radio base station Node apart from the radio base station Node for public that covers outdoor space, the introduction of micro wireless base station (hereinafter referred to as femto radio base station) that mainly covers indoor space. Is progressing.
- femto radio base station micro wireless base station
- femto radio base stations should be installed in ordinary homes and small offices, etc., to minimize the cover area, and to apply inexpensive home IP lines for connection with the radio control station RNC.
- a private area unique to a specific mobile station UE (user) is formed (formed by a single cell or a plurality of cells), and the charging system in the area is distinguished from the mobile station UE or the area is limited “User-limited services” that provide additional functions are being studied.
- an unspecified number of mobile stations UE are determined by a predetermined selection algorithm based on a measurement result. May be selected by the radio control station RNC and may be accessed by location registration processing or handover.
- the present invention has been made in view of the above-described problems, and is specified by waiting and communicating by an unspecified number of mobile stations UE in a cell under a femto radio base station that provides a user-limited service. It is an object of the present invention to provide a mobile communication system, a location registration method, a handover method, an exchange station, a mobile station, and a radio control station that can avoid a decrease in serviceability of the mobile station UE.
- An object of the present invention is to provide a mobile communication system, a location registration method, a handover method, an exchange station, a mobile station, and a radio control station.
- a first feature of the present invention is a mobile communication system configured to determine whether mobile station location registration processing is possible for a cell under a radio base station that can be set to either an open state or a closed state.
- the radio base station is set in an open state, the radio base station is set in a closed state, and an access list in which the mobile station is set as an accessible mobile station is managed.
- the wireless base station is set in a closed state and manages an access list in which specific information indicating all mobile stations is set as information indicating accessible mobile stations.
- the gist of the invention is that the mobile station location registration process is permitted for cells under the radio base station.
- the radio base station when the radio base station is set to an open state, or the radio base station is set to a closed state, all information indicating mobile stations that can be accessed, it may be configured to allow location registration processing of all mobile stations for cells under the radio base station .
- the radio base station it is determined whether the radio base station is in an open state or a closed state according to information included in a location registration request for requesting location registration processing of the mobile station, Based on the determination result, it may be configured to determine whether the location registration process of the mobile station for the cell under the radio base station is possible.
- the mobile station when the location registration process of the mobile station for a cell under the radio base station is rejected, the mobile station is notified of information on a cell on which the location registration process is to be performed. It may be configured.
- a second feature of the present invention is a mobile communication system configured to determine whether or not a mobile station can be handed over to a cell under a radio base station that can be set to either an open state or a closed state, When the radio base station is set to an open state, the radio base station is set to a closed state and manages an access list in which the mobile station is set as an accessible mobile station Or when the radio base station is set in a closed state and manages an access list in which specific information indicating all mobile stations is set as information indicating accessible mobile stations.
- the gist is that the mobile station is allowed to be handed over to a cell under the radio base station.
- the radio base station when the radio base station is set in an open state, or the radio base station is set in a closed state, all information indicating mobile stations that can be accessed In the case where an access list in which specific information indicating the mobile station is set is managed, handover of all mobile stations to a cell under the radio base station may be permitted.
- a third feature of the present invention is a location registration method for determining whether or not location registration processing of a mobile station is possible for a cell under a radio base station that can be set to either an open state or a closed state, the radio base station Is set in an open state, the radio base station is set in a closed state, and when managing an access list in which the mobile station is set as an accessible mobile station, or Only when the radio base station is set in a closed state and manages an access list in which specific information indicating all mobile stations is set as information indicating accessible mobile stations.
- the gist is to permit the location registration processing of the mobile station to the cell under the station.
- a fourth feature of the present invention is a handover method for determining whether or not a mobile station can be handed over to a cell under a radio base station that can be set to either an open state or a closed state, wherein the radio base station is open If the wireless base station is set to a closed state and manages an access list in which the mobile station is set as an accessible mobile station, or the wireless base station Only when a station is set in a closed state and manages an access list in which specific information indicating all mobile stations is set as information indicating accessible mobile stations, The gist is to allow handover of the mobile station to the cell.
- a fifth feature of the present invention is an exchange that is configured to determine whether mobile station location registration processing is possible for a cell under a radio base station that can be set to either an open state or a closed state.
- the radio base station is set to an open state, the radio base station is set to a closed state, and an access list in which the mobile station is set as an accessible mobile station is managed.
- the radio base station is set in a closed state and manages an access list in which specific information indicating all mobile stations is set as information indicating accessible mobile stations.
- the gist of the present invention is that the mobile station location registration process is permitted for cells under the radio base station.
- the radio base station it is determined whether the radio base station is in an open state or a closed state according to information included in a location registration request for requesting location registration processing of the mobile station, Based on the determination result, it may be configured to determine whether the location registration process of the mobile station for the cell under the radio base station is possible.
- the mobile station location registration process for the cell subordinate to the radio base station is rejected according to the number of rejections of the mobile station location registration process for the cell subordinate to the radio base station. It may be configured to change a factor included in the negative location registration response for notifying.
- the location registration response when the number of rejections is less than a predetermined number, includes a factor other than a factor indicating that location registration processing of the mobile station is not permitted. It may be configured.
- the location registration response when the number of refusals reaches a predetermined number, includes a factor indicating that location registration processing of the mobile station is not permitted. May be.
- the mobile station location registration process for a cell under the radio base station may be permitted.
- a sixth feature of the present invention is used in a mobile communication system configured to determine whether or not a mobile station location registration process is possible for a cell under a radio base station that can be set in either an open state or a closed state. If the radio base station is set to an open state, the radio base station is set to a closed state, and the mobile station is set as an accessible mobile station When managing an access list, or when the radio base station is set in a closed state, an access list in which specific information indicating all mobile stations is set as information indicating accessible mobile stations. It is configured to transmit a location registration request for requesting location registration processing of the mobile station to a cell under the radio base station only when managed. The gist of the Rukoto.
- a seventh feature of the present invention is a radio control station configured to determine whether or not a mobile station can be handed over to a cell under a radio base station that can be set to either an open state or a closed state, When the radio base station is set to an open state, the radio base station is set to a closed state and manages an access list in which the mobile station is set as an accessible mobile station Or when the radio base station is set in a closed state and manages an access list in which specific information indicating all mobile stations is set as information indicating accessible mobile stations.
- the gist is that the mobile station is allowed to be handed over to a cell under the radio base station.
- the radio base station when the radio base station is set in an open state, or when the radio base station is set in a closed state, all the information indicating accessible mobile stations In the case where an access list in which specific information indicating the mobile station is set is managed, handover of all mobile stations to a cell under the radio base station may be permitted.
- An eighth feature of the present invention is a radio base station configured to determine whether or not a mobile station location registration process is possible for a subordinate cell that can be set in either an open state or a closed state, If it is set to the state, it is set to the closed state, and if it manages an access list in which the mobile station is set as an accessible mobile station, or it is set to the closed state and the access Only when managing an access list in which specific information indicating all mobile stations is set as information indicating possible mobile stations, the mobile station's location registration process for subordinate cells is permitted. It is a summary.
- specific information indicating all mobile stations is set as information indicating accessible mobile stations when set in an open state or in a closed state.
- the access list may be configured to allow location registration processing of all mobile stations for subordinate cells.
- a ninth feature of the present invention is an aggregation device configured to determine whether mobile station location registration processing is possible for a cell under a radio base station that can be set to either an open state or a closed state.
- the radio base station is set to an open state, the radio base station is set to a closed state, and an access list in which the mobile station is set as an accessible mobile station is managed. Or when the radio base station is set in a closed state and manages an access list in which specific information indicating all mobile stations is set as information indicating accessible mobile stations.
- the gist of the present invention is that the mobile station location registration process for a cell under the radio base station is permitted.
- all the information indicating accessible mobile stations when the radio base station is set in an open state, or when the radio base station is set in a closed state, all the information indicating accessible mobile stations
- it may be configured to allow location registration processing of all mobile stations for cells under the radio base station .
- the radio base station is determined whether the radio base station is in an open state or a closed state according to information included in a location registration request for requesting location registration processing of the mobile station, Based on the determination result, it may be configured to determine whether the location registration process of the mobile station for the cell under the radio base station is possible.
- a tenth feature of the present invention is a radio control station configured to determine whether mobile station location registration processing is possible for a cell under a radio base station that can be set to either an open state or a closed state.
- the radio base station is set in an open state, the radio base station is set in a closed state, and an access list in which the mobile station is set as an accessible mobile station is managed.
- the wireless base station is set in a closed state and manages an access list in which specific information indicating all mobile stations is set as information indicating accessible mobile stations. Only the mobile station location registration process for cells under the radio base station is permitted.
- all the information indicating accessible mobile stations when the radio base station is set in an open state, or when the radio base station is set in a closed state, all the information indicating accessible mobile stations When managing an access list in which specific information indicating the mobile station is set, it may be configured to allow location registration processing of all mobile stations for cells under the radio base station .
- the radio base station it is determined whether the radio base station is in an open state or a closed state according to information included in a location registration request for requesting location registration processing of the mobile station, Based on the determination result, it may be configured to determine whether the location registration process of the mobile station for the cell under the radio base station is possible.
- An eleventh feature of the present invention is a radio base station configured to determine whether or not a mobile station can be handed over to a subordinate cell that can be set to either an open state or a closed state. If it is set, it is set to the closed state, and if it manages the access list in which the mobile station is set as an accessible mobile station, or it is set to the closed state and accessible Only when managing an access list in which specific information indicating all mobile stations is set as information indicating mobile stations, it is configured to allow handover of the mobile station to subordinate cells. The gist.
- specific information indicating all mobile stations is set as information indicating accessible mobile stations when set in an open state or in a closed state.
- it may be configured to allow handover of all mobile stations to subordinate cells.
- a twelfth feature of the present invention is an aggregation device configured to determine whether or not a mobile station can be handed over to a cell under a radio base station that can be set to either an open state or a closed state, When the radio base station is set to an open state, the radio base station is set to a closed state, and the access list in which the mobile station is set as an accessible mobile station is managed Alternatively, only when the radio base station is set in a closed state and manages an access list in which specific information indicating all mobile stations is set as information indicating accessible mobile stations, The gist is that the mobile station is allowed to be handed over to a cell under the radio base station.
- the radio base station when the radio base station is set in an open state, or when the radio base station is set in a closed state, all the information indicating accessible mobile stations In the case where an access list in which specific information indicating the mobile station is set is managed, handover of all mobile stations to a cell under the radio base station may be permitted.
- 1 is an overall configuration diagram of a mobile communication system according to a first embodiment of the present invention. It is a functional block diagram of the exchange which concerns on the 1st Embodiment of this invention. It is a figure which shows an example of the cell information managed by the cell information management part of the switching center which concerns on the 1st Embodiment of this invention. It is a figure which shows an example of the access list managed by the access list management part of the switching center which concerns on the 1st Embodiment of this invention. It is a sequence diagram which shows the operation
- FIG. 4 is a flowchart showing an operation of the exchange at the time of location registration processing in the mobile communication system according to the first embodiment of the present invention. It is a functional block diagram of the mobile station which concerns on the 2nd Embodiment of this invention. 7 is a flowchart showing an operation of a mobile station during a location registration process in the mobile communication system according to the second embodiment of the present invention. It is a functional block diagram of the exchange which concerns on the 3rd Embodiment of this invention. It is a functional block diagram of the radio control station which concerns on the 3rd Embodiment of this invention. It is a sequence diagram which shows the operation
- 10 is a sequence diagram showing an operation of a radio control station during a handover process in a mobile communication system according to a third embodiment of the present invention.
- 10 is a flowchart for explaining the operation of the exchange according to the first modification.
- 10 is a flowchart for explaining the operation of the exchange according to the first modification.
- 10 is a flowchart for explaining the operation of a mobile station according to a first modification.
- It is a whole block diagram of the mobile communication system which concerns on the example 2 of a change.
- It is a sequence diagram which shows the operation
- FIG. 10 is a sequence diagram showing an operation during location registration processing in a general W-CDMA mobile communication system.
- FIG. 10 is a sequence diagram showing an operation during a handover process in a general W-CDMA mobile communication system.
- the mobile communication system includes a radio base station NodeB # 1, a femto radio base station NodeB # 2, and a radio control station RNC # connected to the radio base station NodeB # 1. 1, a radio network controller RNC # 2 connected to the femto radio base station Node B # 2, and a switching center MSC / SGSN connected to the radio network controller RNC # 1 and the radio network controller RNC # 2. ing.
- the radio base station Node B # 1 is installed by a communication carrier or the like and is a radio base station for the public that covers the cell # 1 in the indoor space.
- the femto radio base station Node B # 2 is installed in a general home or small office by a general user, a communication carrier, etc., and is a microminiature radio base mainly covering the femto cell # 2 in an indoor space. Suppose it is a station.
- femto radio base station NodeB # 2 and the radio control station RNC # 2 may be configured to be connected through an inexpensive home IP line, for example.
- the femto radio base station NodeB # 2 may be configured to provide a “user limited service” to a specific mobile station UE that can access the femto radio base station NodeB # 2.
- the femtocell # 2 provides a charging system different from the charging system in the cell # 1, or provides a limited additional function in the femtocell # 2. .
- the mobile communication system determines whether or not the location registration process of the mobile station UE is possible for a cell under the radio base station NodeB that can be set to either an open state (Open) or a closed state (Closed). It is configured as follows.
- a device for storing subscriber information called home memory is usually provided separately from the switching center MSC / SGSN.
- the home memory function is assumed to be included in the exchange MSC / SGSN.
- the switching center MSC / SGSN includes a location registration request receiving unit 11, a location registration processing unit 12, a cell information management unit 13, an access list management unit 14, and location information. And a registration response transmission unit 15.
- the location registration request receiving unit 11 is configured to receive a “Routing Area Update Request message (location registration request)” transmitted from the mobile station UE.
- the location registration processing unit 12 performs location registration processing of the mobile station UE for a cell under the radio base station NodeB specified by the “Routing Area Update Request message (location registration request)” received by the location registration request receiving unit 11. Is configured to do.
- the location registration processing unit 12 includes the cell information management unit 13 and With reference to the access list management unit 14, it is configured to determine whether or not the location registration process of the mobile station UE with respect to the femtocell # 2 under the femto radio base station NodeB # 2 is possible.
- the cell information management unit 13 is configured to store a “cell identifier” and a “state” in association with each other.
- Cell identifier is an identifier for identifying each cell, and “state” indicates whether the radio base station NodeB to which each cell belongs is set to an open state or a closed state. It is information which shows.
- a communication carrier can set the femto radio base station NodeB # 2 in an open state, and a general user cannot set the femto radio base station NodeB # 2 in an open state May be.
- the access list management unit 14 is configured to manage an access list for setting mobile stations accessible to each cell. For example, as shown in FIG. An access list that associates “cell identifiers” with “accessible mobile stations” is stored.
- Accessible mobile station is information indicating a mobile station that can perform access (location registration processing) to the cell identified by the “cell identifier”.
- the “accessible mobile station” may not be information indicating a specific mobile station (for example, “A” or “B”), but may be specific information (“Any”) indicating all mobile stations.
- the “accessible mobile station” may be information indicating a class formed by one or a plurality of mobile stations.
- the location registration processing unit 12 is configured to permit location registration processing of the mobile station UE with respect to a cell under the radio base station NodeB only in any of the following cases.
- the location registration processing unit 12 is configured to permit location registration processing of all mobile stations for cells under the radio base station NodeB.
- the general user cannot set the femto radio base station NodeB # 2 to the open state, but by setting “Any” in the access list, the femtocell under the femto radio base station NodeB # 2 It is possible to permit location registration processing of all mobile stations for # 2.
- the location registration processing unit 12 determines whether the radio base station NodeB is open or closed according to information included in the “Routing Area Update Request message (location registration request)” requesting the location registration processing of the mobile station UE.
- the mobile station UE may be configured to determine whether or not the location registration process is possible for a cell under the radio base station NodeB based on the determination result.
- the location registration response transmission unit 15 performs “Routing Area Update Reject message (negative location registration response)” or “Routing Area Update Accept message”. (Positive location registration response) ”is transmitted to the mobile station UE.
- step S1001 the mobile station UE performs paging to which the position number (femtocell # 2) of the cell (femtocell # 2) included in the broadcast information of the cell corresponding to the optimal pilot signal belongs.
- the area identifier is compared with the position number of the cell (cell # 1) stored in the mobile station UE (identifier of the paging area to which the cell # 1 belongs).
- step S1002 the mobile station UE continues standby in the cell # 1 that is currently performing location registration processing (waiting).
- the mobile station UE transmits the “RRC Connection Request message” to the radio control station RNC # 2 in steps S1003 and S1004, thereby communicating with the radio control station RNC # 2.
- step S1005 a “Routing Area Update Request message (location registration request)” for requesting location registration processing for the femtocell # 2 is sent to the exchange MSC / SGSN in step S1005. Send.
- the radio control apparatus RNC # 2 is included in the broadcast information of the femtocell # 2 in response to the "Routing Area Update Request message (location registration request)" transmitted to the switching center MSC / SGSN. Assigned position numbers and cell identifiers.
- step S1006 after the authentication process for the mobile station UE is performed, in step S1007, the switching center MSC / SGSN determines whether or not the mobile station UE location registration process for the femtocell # 2 should be permitted. .
- the switching center MSC / SGSN determines whether or not the mobile station UE location registration process for the femtocell # 2 should be permitted.
- the switching center MSC / SGSN determines whether the femto radio base station Node B # 2 is set in an open state or a closed state.
- step S105 the exchange MSC / SGSN determines that the location registration process of the mobile station UE for the femtocell # 2 should be permitted.
- step S102 the exchange MSC / SGSN determines whether “Any” is set in the access list.
- the switching center MSC / SGSN determines in step S105 that the location registration process of the mobile station UE for the femtocell # 2 should be permitted.
- the switching center MSC / SGSN transmits information indicating the mobile station UE (the identifier of the mobile station UE, the mobile station UE) in the access list. It is determined whether or not the class to which the station UE belongs is set.
- step S105 the exchange MSC / SGSN determines that the location registration process of the mobile station UE with respect to the femtocell # 2 should be permitted. .
- the switching center MSC / SGSN should reject the location registration process of the mobile station UE for the femtocell # 2 in step S104. judge.
- the “Routing Area Update Request message (location registration request)” is given a “femto designation identifier” that indicates whether or not the radio base station to which the mobile station UE performs the location registration process is a femto radio base station. If the mobile station UE location registration process is requested for a radio base station other than the femto radio base station, the switching center MSC / SGSN reduces the processing load by omitting the process of step S1007. Can be reduced.
- step S1008 when the switching center MSC / SGSN determines that the location registration process of the mobile station UE for the femtocell # 2 should be rejected, in step S1008, a “Routing Area Update Reject message ( Negative location registration response) "is transmitted to the mobile station UE.
- the mobile switching center MSC / SGSN determines that the location registration process of the mobile station UE for the femtocell # 2 should be rejected, the mobile station UE performs information on the cell to be subjected to the location registration process ( Frequency, cell identifier, etc.) may be notified.
- the radio control station RNC # 2 when the switching center MSC / SGSN determines that the location registration process of the mobile station UE with respect to the femtocell # 2 should be rejected, the radio control station RNC # 2 Thus, the information (frequency, cell identifier, etc.) regarding the cell to be subjected to location registration processing may be notified by the “RRC Connection Release message (radio line release instruction)”.
- the switching center MSC / SGSN may be configured to transmit a “radio access bearer release instruction” including information related to the cell to the radio network controller RNC # 2.
- step S1009 when the switching center MSC / SGSN determines that the location registration process of the mobile station UE with respect to the femtocell # 2 should be permitted, in step S1009, a “Routing Area Update Accept message (positive Position registration response) "is transmitted to the mobile station UE.
- the mobile station UE Upon receiving the “Routing Area Update Accept message (positive location registration response)” from the mobile switching center MSC / SGSN, the mobile station UE receives the received “Routing Area Update Accept message (positive location registration response) in step S1010. ) "Is stored, and in step S1011, a" Routing Area Update Complete message (position registration completion response) "is returned to the exchange MSC / SGSN. In step S1013, The radio link with the radio control station RNC is released.
- step S1012 the exchange MSC / SGSN that has received the “Routing Area Update Complete message (location registration completion response)” sets the location number specified by the received “Routing Area Update Complete message (location registration completion response)”. Registration is performed in association with the mobile station UE.
- the mobile communication system depending on the setting of the user or the communication carrier, it is possible to allow the standby of the unspecified number of mobile stations to the femtocell # 2, Flexible service provision and system operation become possible.
- unnecessary access determination processing (location registration processing availability determination processing) in the cell # 1 other than the femtocell # 2 can be omitted. It becomes possible to reduce the processing load of the exchange MSC / SGSN.
- the mobile station that has rejected the location registration process for the femtocell # 2 is notified of the information related to the cell to be waited for.
- the cell can be guided to stand by, and a flexible system operation can be performed by the communication carrier.
- Mobile communication system according to the second embodiment of the present invention A mobile communication system according to the second embodiment of the present invention will be described with reference to FIGS.
- the mobile communication system according to the present embodiment will be described by focusing on differences from the mobile communication system according to the first embodiment described above.
- the mobile station UE includes a broadcast information receiving unit 21, a cell information management unit 22, an access list management unit 23, a location registration request transmission unit 24, and a location information registration response.
- a receiving unit 25 and a position number management unit 26 are provided.
- the broadcast information receiving unit 21 is configured to receive broadcast information of a cell corresponding to an optimal pilot signal.
- the cell information management unit 22 is configured to associate and manage a “cell identifier” and a “state” in the same manner as the cell information management unit 13 shown in FIG.
- the access list management unit 23 is configured to store an access list that associates a “cell identifier” with an “accessible mobile station” in the same manner as the access list management unit 14 shown in FIG.
- the location registration request transmission unit 24 refers to the cell information management unit 22 and the access list management unit 23, and is set to a cell under the radio base station NodeB set to the open state or to the closed state.
- “Routing Area Update Request message (location registration request)” for requesting location registration processing for a cell under the radio base station NodeB managing the access list in which the mobile station UE is set as “accessible mobile station” Is transmitted to the switching center MSC / SGSN.
- the location information registration response receiving unit 25 receives the “Routing Area Update Reject message (negative location registration response)” or “Routing Area Update Accept message (positive location registration response)” transmitted from the exchange MSC / SGSN. It is configured to receive.
- the location number management unit 26 uses the location number of the cell specified by the “Routing Area Update Accept message (positive location registration response)” as the location number (paging area identifier) of the mobile station UE. Is configured to manage as.
- the mobile station UE that is performing the location registration process for the cell # 1 under the radio base station NodeB # 1
- the operation of performing the location registration process for the femtocell # 2 under the femto radio base station NodeB # 2 will be described.
- step 201 the mobile station UE performs paging to which the position number (femtocell # 2) of the cell (femtocell # 2) included in the broadcast information of the cell corresponding to the optimal pilot signal belongs.
- the area identifier is compared with the position number of the cell (cell # 1) stored in the mobile station UE (identifier of the paging area to which the cell # 1 belongs).
- the mobile station UE continues waiting in the cell # 1 that is currently performing location registration processing (waiting) in step S204, and this operation ends.
- the mobile station UE determines in step S202 whether the femto radio base station NodeB # 2 is set to the open state or the closed state.
- the mobile station UE determines in step S205 that the location registration process of the mobile station UE for the femtocell # 2 should be permitted, and the mobile station UE notifies the switching center MSC / SGSN. In response, a “Routing Area Update Request message (location registration request)” is transmitted.
- the mobile station UE in Step S203, shows information indicating the mobile station UE as “accessible mobile station” in the femtocell # 2 in the access list (mobile It is determined whether an identifier of the station UE and a class to which the mobile station UE belongs are set.
- the mobile station UE determines in step S205 that the location registration process of the mobile station UE with respect to the femtocell # 2 should be permitted, and the exchange A “Routing Area Update Request message (location registration request)” is transmitted to the station MSC / SGSN.
- the mobile station UE waits in the cell # 1 that is currently performing location registration processing (waiting) in step S204. This operation is continued and the operation ends.
- the mobile station UE If the mobile station UE knows that the radio base station to which the cell belongs belongs to a radio base station other than the femto radio base station, the mobile station UE omits the operation of step S202 shown in FIG. , It can be determined that all are set to the open state, and the processing load can be reduced.
- step S205 The operation after the mobile station UE transmits a “Routing Area Update Request message (location registration request)” to the switching center MSC / SGSN in step S205, except for steps S1007 and S1008.
- the operation is the same as that shown in FIG.
- the mobile station UE can autonomously determine the feasibility of the location registration process for the femto radio base station Node B # 2, and the femto cell # 2 Therefore, it is possible to avoid degradation in serviceability of a specific mobile station UE caused by a large number of unspecified mobile stations waiting.
- the mobile communication system depending on the setting of the user or the communication carrier, it is possible to allow the standby of the unspecified number of mobile stations to the femtocell # 2, Flexible service provision and system operation become possible.
- Mobile communication system according to the third embodiment of the present invention A mobile communication system according to the third embodiment of the present invention will be described with reference to FIG. 10 to FIG. Hereinafter, the mobile communication system according to the present embodiment will be described by focusing on differences from the mobile communication system according to the first embodiment described above.
- the mobile communication system is configured to determine whether or not the mobile station UE can perform handover to a cell under the radio base station NodeB that can be set to either an open state or a closed state. Yes.
- the exchange MSC / SGSN includes a cell information management unit 13, an access list management unit 14, a communication control unit 16, and a RAB setting request transmission unit 17.
- the communication control unit 16 is configured to control communication by the mobile station UE via the radio base station NodeB and the radio control station RNC.
- the RAB setting request transmission unit 17 When receiving a connection establishment request from the mobile station UE, the RAB setting request transmission unit 17 is configured to transmit a “RAB Assignment Request message (radio access bearer setting request)” to the radio control station RNC.
- RAB Assignment Request message radio access bearer setting request
- the RAB setting request transmission unit 17 extracts, from the access list management unit 14, a cell identifier that identifies a cell accessible by the mobile station UE (that is, a cell that the mobile station UE can select as a handover candidate). , “RAB Assignment Request message (radio access bearer setting request)” is notified to the radio control station RNC.
- the RAB setting request transmission unit 17 inputs information indicating the mobile station UE (for example, “A”) to the access list management unit 14 and extracts it by reverse lookup of the access list shown in FIG. Configured cell identifiers (eg, “# 1” to “# 3”) are acquired.
- the cell identifier “# 3” is always returned even if information indicating any mobile station is input. Will be.
- the radio network controller RNC includes a RAB setting request receiving unit 31, an available cell management unit 32, a cell information management unit 33, a measurement report receiving unit 34, and a handover process. Part 35.
- the RAB setting request receiving unit 31 is configured to receive a “RAB Assignment Request message (radio access bearer setting request)” transmitted from the exchange MSC / SGSN.
- the RAB setting request receiving unit 31 can select a cell accessible by the mobile station UE notified by the received “RAB Assignment Request message (radio access bearer setting request)” (that is, the mobile station UE can be selected as a handover candidate).
- a cell identifier for identifying a cell is stored in the available cell management unit 33.
- the RAB setting request receiving unit 31 performs a radio access bearer setting procedure between the mobile station UE and the switching center MSC / SGSN according to the received “RAB Assignment Request message (radio access bearer setting request)”. It is configured as follows.
- the measurement report receiving unit 34 is configured to receive a “Measurement Report message (measurement report)” transmitted from the mobile station UE.
- the handover processing unit 35 determines whether or not the mobile station UE should be handed over to the specific cell. It is configured.
- the handover processing unit 35 determines that the mobile station UE should be handed over to a specific cell
- the handover processing unit 35 refers to the available cell management unit 32 and the cell information management unit 33 and refers to the mobile station UE. It is configured to determine whether handover is possible for the specific cell.
- the handover processing unit 35 determines that the mobile station UE should be handed over to a specific cell, the handover processing unit 35 refers to the available cell management unit 32 and the cell information management unit 33 and refers to the mobile station UE. When it is determined to reject the handover of the UE to the specific cell, the measurement result is discarded and the handover process is not performed.
- mobile station UE which is communicating via cell # 1 under radio base station NodeB # 1
- an operation for performing the handover process on the femto cell # 2 under the femto radio base station Node B # 2 will be described.
- step S2001 a connection establishment procedure is performed between the mobile station UE and the exchange MSC / SGSN via the radio base station NodeB # 1 and the radio control station RNC # 1.
- step S2002 the switching center MSC / SGSN extracts a cell identifier for identifying a cell accessible by the mobile station UE.
- step S2003 the switching center MSC / SGSN assigns the extracted cell identifier to the “RAB Assignment Request message (radio access bearer setting request)”.
- step S2004 the switching center MSC / SGSN applies to the radio control station RNC # 1. “RAB Assignment Request message (radio access bearer setting request)” is transmitted.
- step S2005 a radio access bearer setting procedure is performed between the mobile station UE and the switching center MSC / SGSN via the radio base station NodeB # 1 and the radio network controller RNC # 1.
- step S2006 the mobile station UE transmits a “Measurement Report message (measurement report)” to the radio control station RNC # 1.
- step S2007 the radio control station RNC # 1 that has received the “Measurement Report message (measurement report)” selects a handover candidate cell.
- the radio network controller RNC # 1 uses the femto radio base station NodeB # 2 as a handover candidate cell of the mobile station UE communicating via the cell # 1 under the radio base station NodeB # 1. Select subordinate femtocell # 2.
- the radio control station RNC # 1 determines whether or not to hand over the mobile station UE to the femtocell # 2 selected as the handover candidate cell.
- the radio control station RNC # 1 determines whether or not to hand over the mobile station UE to the femtocell # 2 selected as the handover candidate cell.
- the radio network controller RNC # 1 sets the femto radio base station NodeB # 2 to which the femto cell # 2 selected as the handover candidate cell belongs to either the open state or the closed state. Determine whether it is being done.
- step S304 the radio network controller RNC # 1 determines that the handover of the mobile station UE to the femtocell # 2 should be permitted.
- the radio network controller RNC # 1 refers to the available cell management unit 32 and uses the femtocell as a cell that can be used by the mobile station UE. It is determined whether # 2 is managed.
- the radio control station RNC # 1 permits the handover of the mobile station UE to the femtocell # 2. Judge that it should be.
- the radio control station RNC # 1 performs handover of the mobile station UE to the femtocell # 2. Determine that it should not be allowed.
- the radio network controller RNC # 1 determines that the handover of the mobile station UE to the femtocell # 2 should not be permitted, it discards the above-mentioned “Measurement Report message (measurement report)”.
- step S2009 the handover from the cell # 1 of the mobile station UE to the femtocell # 2 Procedure is performed.
- the location registration response transmission unit 15 of the switching center MSC / SGSN performs “Routing” according to the number of refusals of the location registration processing of the mobile station UE for the cell under the radio base station NodeB. It is configured to change the factor included in the “Area Update Reject message (negative location registration response)”.
- the location registration response transmission unit 15 of the switching center MSC / SGSN sends a “Routing Area Update Reject message (negative location registration response)” to the mobile station when the number of rejections is less than a predetermined number. It is configured to include factors other than the factor “Location Area Not Allowed” indicating that the location registration process of the UE is not permitted, such as “Network Failure” indicating network failure, “Congestion” indicating network congestion, etc. It may be.
- the location registration response transmission unit 15 of the switching center MSC / SGSN when the number of rejections reaches a predetermined number of times, displays the location of the mobile station UE in the “Routing Area Update Reject message (negative location registration response)”. It may be configured to include a factor “Location Area not Allowed” indicating that registration processing is not permitted.
- the location registration processing unit 12 of the switching center MSC / SGSN is configured to permit the location registration processing of the mobile station UE to the cell under the radio base station NodeB when the number of rejections reaches a predetermined number. May be.
- the mobile station UE that has transmitted the “Routing Area Update Request message (location registration request)” requesting the location registration process using the specific location number is the radio base station NodeB.
- the “Routing Area Update Reject message (negative location registration response)” notifying that the location registration process of the mobile station UE for the subordinate cell has been rejected the “Routing Area Update Reject message (negative)
- the mobile station UE is configured to determine whether or not to retry the location registration process of the mobile station UE with respect to a cell under the radio base station NodeB.
- the mobile station The UE is configured to determine not to retry the location registration process of the mobile station UE for a cell under the radio base station NodeB.
- the “Routing Area Update Reject message (negative location registration response)” is a factor “Routing Area Update Reject message (negative location registration response)” indicating that the location registration process of the mobile station UE is not permitted. And when the mobile station UE has retried the location registration process of the mobile station UE for a cell under the radio base station NodeB a predetermined number of times, the mobile station UE is subordinate to the radio base station NodeB. The mobile station UE may be configured not to retry the location registration process for the cell.
- the switching center MSC / SGSN receives a “Routing Area Update Request message (location registration request)” from the mobile station UE, in step S401, the femtocell # subordinate to the femto radio base station NodeB # 2 2 determines whether or not location registration processing of the mobile station UE for 2 is possible.
- the exchange MSC / SGSN When the exchange MSC / SGSN permits the location registration process of the mobile station UE, the exchange MSC / SGSN performs the location registration process in step S405.
- the switching center MSC / SGSN determines whether the number of rejections has reached a predetermined number.
- step S403 the exchange MSC / SGSN determines that “Routing Area Update Reject message (negative location registration response)” including “Location Area not Allowed”. Is transmitted to the mobile station UE.
- step S404 the switching center MSC / SGSN determines a factor other than “Location Area not Allowed”, for example, “Network Failure” indicating a network failure or the like. Then, a “Routing Area Update Reject message (negative location registration response)” including “Congestion” indicating network congestion is generated and transmitted to the mobile station UE.
- the switching center MSC / SGSN receives a “Routing Area Update Request message (location registration request)” from the mobile station UE, in step S501, the femtocell # subordinate to the femto radio base station NodeB # 2 2 determines whether or not location registration processing of the mobile station UE for 2 is possible.
- the exchange MSC / SGSN When the exchange MSC / SGSN permits the location registration process of the mobile station UE, the exchange MSC / SGSN performs the location registration process in step S503.
- the switching center MSC / SGSN determines whether the number of rejections has reached a predetermined number.
- the exchange MSC / SGSN performs such location registration processing in step S503.
- step S504 the switching center MSC / SGSN determines a factor other than “Location Area not Allowed”, for example, “Network Failure” indicating a network failure, Then, a “Routing Area Update Reject message (negative location registration response)” including “Congestion” indicating network congestion is generated and transmitted to the mobile station UE.
- Step S601 when the mobile station UE receives a “Routing Area Update Reject message (negative location registration response)” in Step S601, in Step S602, the “Routing Area Update Reject message (negative Negative)”. It is determined whether or not the factor (Cause) included in “location registration response” is “Location Area not Allowed” indicating that location registration processing of the mobile station UE is not permitted.
- step S605 the mobile station UE stops the location registration process using the location number.
- step S603 the mobile station UE determines whether or not it has already tried the location registration process using the location number a predetermined number of times.
- step S604 the mobile station UE reattempts the location registration process using the location number.
- step S605 the mobile station UE stops the location registration process using the location number.
- step S605 the mobile station UE is configured to permit the location registration processing using the location number in the switching center MSC / SGSN instead of canceling the location registration processing using the location number. May be.
- the same position number may be used in a plurality of cells in a certain mobile communication system.
- the mobile station UE that has transmitted a “Routing Area Update Request message (location registration request)” requesting a location registration process for the first cell using a specific location number, receives a “Routing Area Update Reject message (negative). If it is configured not to perform the location registration process using the location number when the location registration response) is received, not only the first cell but also the same location number as the first cell There is a concern that the location registration process cannot be performed even for the second cell in which is used.
- the mobile communication system according to the second modification of the present invention is configured to limit position registration processing using the position number more than a predetermined number of times.
- 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 LTE (Long Term Evolution) system is used.
- the present invention can also be applied to other mobile communication systems.
- the mobile communication system according to the second modification will be described by focusing on differences from the mobile communication system according to the first embodiment described above.
- the function of the radio base station NodeB and the function of the radio control station RNC are mounted on the radio base station eNB.
- the mobile communication system according to the second modification includes a femto radio base station eNB # 1 and an aggregation device HNB-GW connected to the femto radio base station eNB # 1.
- the exchange MME connected to the aggregation device HNB-GW and the gateway MGW connected to the exchange MME and the network are provided.
- the aggregation device HNB-GW includes a location registration request reception unit 41, an access determination unit 42, a cell information management unit 43, an access list management unit 44, an exchange station An interface 45 and a location registration response transmitter 46 are provided.
- the location registration request receiving unit 41 is configured to receive a “Routing Area Update Request message (location registration request)” transmitted from the mobile station UE.
- the access determination unit 42 applies to the cell under the radio base station eNB specified by the “Routing Area Update Request message (location registration request)” received by the location registration request receiving unit 41.
- the mobile station UE is configured to determine whether or not location registration processing is possible.
- the cell information management unit 43 is configured to store a “cell identifier” and a “state” in association with each other as shown in FIG.
- the access list management unit 44 is configured to manage an access list for setting mobile stations accessible to each cell.
- the access list management unit 44 includes: As shown in FIG. 4, an access list that associates “cell identifiers” with “accessible mobile stations” is stored.
- the switching center interface 45 transfers a “Routing Area Update Request message (location registration request)” to the switching center MME. It is configured to receive a “Routing Area Update Accept message (positive location registration response)” from the switching center MME.
- the location registration response transmission unit 15 receives the “Routing Area Update Accept message (positive location registration) received by the exchange interface 45 when the access determination unit 42 determines that the location registration process of the mobile station UE is permitted. Response) ”is transmitted to the mobile station UE.
- the location registration response transmission unit 15 moves the “Routing Area Update Reject message (negative location registration response)” when the access determination unit 42 determines to reject the location registration process of the mobile station UE. It is configured to transmit to the station UE.
- the mobile station UE that is performing the location registration process for the cell under the radio base station eNB is the femto under the femto radio base station eNB # 1. An operation for performing the location registration process for the cell # 1 will be described.
- step S5001 the mobile station UE determines the cell position number included in the broadcast information of the cell corresponding to the optimum pilot signal and the cell position stored in the mobile station UE. Compare the number.
- step S5002 the mobile station UE continues to stand by in the cell that is currently performing location registration processing (waiting).
- the mobile station UE transmits the “RRC Connection Request message” to the femto radio base station eNB # 1 in steps S5003 and S5004, thereby the femto radio base station eNB #.
- step S5005 a “Routing Area Update Request message (location registration request) for requesting location registration processing for femtocell # 1 is requested to the aggregation device HMB-GW in step S5005.
- the femto radio base station eNB # 1 is included in the broadcast information of the femtocell # 1 described above for the “Routing Area Update Request message (location registration request)” transmitted to the aggregation device HMB-GW. Assigned position numbers and cell identifiers.
- step S5007 the aggregation device HMB-GW determines whether or not the location registration process of the mobile station UE for the femtocell # 1 should be permitted. .
- This determination method is the same as the operation in FIG.
- Step S5008 When the aggregation device HMB-GW determines that the location registration process of the mobile station UE with respect to the femtocell # 1 should be rejected, in Step S5008, a “Routing Area Update Reject message (negative location registration) indicating that fact”. Response) ”is transmitted to the mobile station UE.
- the aggregation device HMB-GW determines that the location registration process of the mobile station UE with respect to the femtocell # 1 should be rejected, the information regarding the cell to be subjected to the location registration process with respect to the mobile station UE ( Frequency, cell identifier, etc.) may be notified.
- the aggregation device HMB-GW determines that the location registration process of the mobile station UE with respect to the femtocell # 1 should be rejected, the femto radio base station eNB # 1 On the other hand, it may be configured to notify information (frequency, cell identifier, etc.) regarding a cell on which location registration processing is to be performed by an “RRC Connection Release message (radio line release instruction)”.
- the aggregation device HMB-GW may be configured to transmit a “radio access bearer release instruction” including information on the cell to the femto radio base station eNB # 1.
- the switching device MME receives a “Routing Area Update Request message ( Send location registration request).
- step S5010 the aggregation device HMB-GW transmits the “Routing Area Update Accept message (positive location registration response)” received from the switching center MME to the mobile station UE in step S5011.
- step S5012 When the mobile station UE receives the “Routing Area Update Accept message (positive location registration response)” from the switching center MME, the received “Routing Area Update Accept message (positive location registration response)” in step S5012. In step S5013, a "Routing Area Update Complete message (position registration completion response)" is returned to the switching center MME, and in step S5015, the femto radio base station The radio link with eNB # 1 is released.
- step S5014 the exchange MME that has received the “Routing Area Update Complete message (location registration completion response)” moves the location number specified by the received “Routing Area Update Complete message (location registration completion response)”. Register in association with the station UE.
- the LTE femto radio base station eNB # 1 is a WCDMA femto radio base station NodeB # 1
- the LTE switching MME is a WCDMA system.
- the exchange MSC / SGSN may be used.
- the line concentrator HNB-GW may not be provided.
- the function of the line concentrator HNB-GW in the second modification example (for example, the function of performing the operation of Step S5007 in FIG. 18) may be configured to be performed by the exchange MME.
- Modification 3 A mobile communication system according to the third modification will be described with reference to FIGS. Hereinafter, the mobile communication system according to the third modification will be described by focusing on differences from the mobile communication system according to the first embodiment described above.
- the mobile communication system according to the third modification includes a femto radio base station BS # 1, a femto radio base station BS # 1, and a gateway device GW connected to the network. It has.
- the femto radio base station BS includes a location registration request receiving unit 51, a location registration processing unit 52, a cell information management unit 53, an access list management unit 54, And a registration response transmission unit 55.
- the function of the femto radio base station BS is basically the same as that of the exchange MSC / SGSN shown in FIG.
- the mobile station UE that is performing the location registration process for the cell under the radio base station eNB is the femto under the femto radio base station BS # 1. An operation for performing the location registration process for the cell # 1 will be described.
- step S6001 the mobile station UE determines the cell position number included in the broadcast information of the cell corresponding to the optimal pilot signal and the cell position stored in the mobile station UE. Compare the number.
- step S6002 the mobile station UE continues standby in the cell that is currently performing location registration processing (waiting).
- the mobile station UE transmits a “RRC Connection Request message” to the femto radio base station BS # 1 in steps S6003 and S6004, so that the femto radio base station BS # 1.
- step S6005 a “Routing Area Update Request message (location registration request) for requesting location registration processing for the femto cell # 1 is sent to the femto radio base station BS # 1 in step S6005. ) ".
- step S6006 after the authentication process for the mobile station UE is performed, in step S6007, the femto radio base station BS # 1 determines whether or not the mobile station UE location registration process for the femtocell # 1 should be permitted. judge. This determination method is the same as the operation in FIG.
- step S6008 When the femto radio base station BS # 1 determines that the location registration process of the mobile station UE for the femtocell # 1 should be rejected, in step S6008, a “Routing Area Update Reject message (negative Position registration response) "is transmitted to the mobile station UE.
- the femto radio base station BS # 1 determines that the location registration process of the mobile station UE with respect to the femtocell # 1 should be rejected, the femto radio base station BS # 1 relates to the cell to be subjected to the location registration process Information (frequency, cell identifier, etc.) may be notified.
- the location registration process Information frequency, cell identifier, etc.
- a message may be configured to notify information (frequency, cell identifier, etc.) regarding a cell on which location registration processing is to be performed.
- Step S6009 a “Routing Area Update Accept message (affirmation) ”Is transmitted to the mobile station UE.
- Step S6010 the mobile station UE receives the “Routing Area Update Accept message (positive location registration response)” from the femto radio base station BS # 1
- Step S6011 the mobile station UE receives the received “Routing Area Update Accept message (positive location information).
- step S6011 a “Routing Area Update Complete message (location registration completion response)” is returned to the femto radio base station BS # 1.
- step S6013 the radio link with the femto radio base station BS # 1 is released.
- step S6012 the femto radio base station BS # 1 that has received the “Routing Area Update Complete message (location registration completion response)” is the location specified by the received “Routing Area Update Complete message (location registration completion response)”. The number is registered in association with the mobile station UE.
- Modification 4 A mobile communication system according to the fourth modification will be described with reference to FIGS.
- the mobile communication system according to the third modification will be described by focusing on differences from the mobile communication system according to the first embodiment described above.
- the configuration of the mobile communication system according to the fourth modification is the same as the configuration of the mobile communication system according to the first embodiment shown in FIG.
- the radio network controller RNC includes a location registration request receiving unit 361, an access determining unit 362, a cell information managing unit 263, an access list managing unit 364, and an exchange interface. 365 and a location registration response transmission unit 366.
- the function of the radio control station RNC is basically the same as the function of the aggregation device HNB-GW shown in FIG.
- the mobile station UE that is performing the location registration process for the cell # 1 under the radio base station NodeB # 1 is the femto radio base station NodeB #.
- the operation of performing location registration processing for femtocell # 2 under 2 will be described.
- step S7001 the mobile station UE determines the position number of the cell included in the broadcast information of the cell corresponding to the optimum pilot signal and the position of the cell stored in the mobile station UE. Compare the number.
- step S7002 the mobile station UE continues standby in the cell that is currently performing location registration processing (waiting).
- the mobile station UE transmits an “RRC Connection Request message” to the radio control station RNC # 2 in steps S7003 and S7004, thereby communicating with the radio control station RNC # 2.
- a “Routing Area Update Request message (location registration request)” for requesting location registration processing for the femtocell # 1 is sent to the radio control station RNC # 2 in step S7005.
- Send is a “Routing Area Update Request message (location registration request)” for requesting location registration processing for the femtocell # 1 in step S7005.
- step S7006 after the authentication process for the mobile station UE is performed, in step S7007, the radio control station RNC # 2 determines whether to permit the location registration process of the mobile station UE for the femtocell # 1. To do. This determination method is the same as the operation in FIG.
- Step S7008 the “Routing Area Update Reject message (negative location Registration response) "is transmitted to the mobile station UE.
- the radio control station RNC # 2 determines that the location registration process of the mobile station UE with respect to the femtocell # 1 should be rejected, the information regarding the cell to be subjected to the location registration process with respect to the mobile station UE It may be configured to notify (frequency, cell identifier, etc.).
- the radio control station RNC # 2 determines that the location registration process of the mobile station UE for the femtocell # 1 should be rejected, the femto radio base station NodeB # 2
- the RRC Connection Release message may be used to notify information (frequency, cell identifier, etc.) on a cell to be subjected to location registration processing.
- the radio control station RNC # 2 may be configured to transmit a “radio access bearer release instruction” including information on the cell to the femto radio base station NodeB # 2.
- the radio control station RNC # 2 instructs the switching center MSC / SGSN to “Routing Area Update” in step S7009. "Request message (location registration request)" is transmitted.
- the radio control station RNC # 2 is included in the broadcast information of the femtocell # 1 in response to the “Routing Area Update Request message (location registration request)” transmitted to the switching center MSC / SGSN. Assigned position numbers and cell identifiers.
- step S7010 the radio control station RNC # 2 transmits the “Routing Area Update Accept message (positive location registration response)” received from the exchange MSC / SGSN to the mobile station UE in step S7011.
- the mobile station UE Upon receiving the “Routing Area Update Accept message (positive location registration response)” from the mobile switching center MSC / SGSN, the mobile station UE receives the received “Routing Area Update Accept message (positive location registration response) in step S7012. ) "Is stored, and in step S7013, a" Routing Area Update Complete message (position registration completion response) "is returned to the switching center MSC / SGSN. In step S7015, The radio link with the radio control station RNC # 2 is released.
- step S7014 the exchange MSC / SGSN that has received the “Routing Area Update Complete message (location registration completion response)” uses the location number specified by the received “Routing Area Update Complete message (location registration completion response)”. Registration is performed in association with the mobile station UE.
- the function of the radio network controller RNC in the mobile communication system according to the third embodiment described above may be mounted on the aggregation device HNB-GW in the mobile communication system shown in FIG. 16, or the mobile communication system shown in FIG. May be installed in the femto radio base station NS.
- the operations of the mobile station UE, radio base station (femto radio base station) NodeB (eNB), exchange MSC / SGSN (MME), radio control station RNC, and aggregation device HNB-GW are implemented by hardware. Alternatively, it may be implemented by a software module executed by a processor, or may be implemented by 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 mobile station UE, the radio base station NodeB (eNB), the exchange MSC / SGSN (MME), the radio control station RNC, or the aggregation device HNB-GW. Further, the storage medium and the processor may be provided as a discrete component in the mobile station UE, the radio base station NodeB (eNB), the exchange MSC / SGSN (MME), the radio control station RNC, or the aggregation device HNB-GW. .
- a service for a specific mobile station UE due to standby and communication performed by an unspecified number of mobile stations UE It is possible to provide a mobile communication system, a location registration method, a handover method, an exchange station, a mobile station, and a radio control station that can avoid deterioration in performance.
- the present invention it is possible to allow a flexible service provision and system operation by allowing an unspecified number of mobile stations UE to wait and handover with respect to cells under the femto radio base station according to user or operator settings. It is possible to provide a mobile communication system, a location registration method, a handover method, an exchange station, a mobile station, and a radio control station.
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Abstract
Description
図1乃至図4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において、無線基地局NodeB#1配下のセル#1に対して位置登録処理を行っている移動局UEが、フェムト無線基地局NodeB#2配下のフェムトセル#2に対して位置登録処理を行う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、移動局UEが、自律的に、フェムト無線基地局NodeB#2に対する位置登録処理の可否を判定することができない場合、フェムトセル#2において、不特定多数の移動局が待ち受けを行うことによる特定の移動局UEのサービス性低下を回避することが可能になる。
図7乃至図9を参照して、本発明の第2の実施形態に係る移動通信システムについて説明する。以下、本実施形態に係る移動通信システムについて、上述の第1の実施形態に係る移動通信システムとの相違点に着目して説明する。
図10乃至図12を参照して、本発明の第3の実施形態に係る移動通信システムについて説明する。以下、本実施形態に係る移動通信システムについて、上述の第1の実施形態に係る移動通信システムとの相違点に着目して説明する。
また、図13乃至図15を参照して、本発明の変更例1に係る移動通信システムについて説明する。
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、LTE(Long Term Evolution)方式の移動通信システムにも適用可能である。以下、本変更例2に係る移動通信システムについて、上述の第1の実施形態に係る移動通信システムとの相違点に着目して説明する。
図19乃至図21を参照して、本変更例3に係る移動通信システムについて説明する。以下、本変更例3に係る移動通信システムについて、上述の第1の実施形態に係る移動通信システムとの相違点に着目して説明する。
図22乃至図23を参照して、本変更例4に係る移動通信システムについて説明する。以下、本変更例3に係る移動通信システムについて、上述の第1の実施形態に係る移動通信システムとの相違点に着目して説明する。
上述の第3の実施形態に係る移動通信システムにおける無線制御局RNCの機能が、図16に示す移動通信システムにおける集約装置HNB-GWに搭載されていてもよいし、図19に示す移動通信システムにおけるフェムト無線基地局NSに搭載されていてもよい。
Claims (30)
- オープン状態又はクローズド状態のいずれかに設定可能な無線基地局配下のセルに対する移動局の位置登録処理の可否を判断するように構成されている移動通信システムであって、
前記無線基地局が、オープン状態に設定されている場合、該無線基地局が、クローズド状態に設定されており、アクセス可能な移動局として前記移動局が設定されているアクセスリストを管理している場合、或いは、該無線基地局が、クローズド状態に設定されており、アクセス可能な移動局を示す情報として全ての移動局を示す特定情報が設定されているアクセスリストを管理している場合にのみ、該無線基地局配下のセルに対する該移動局の位置登録処理を許可するように構成されていることを特徴とする移動通信システム。 - 前記無線基地局が、オープン状態に設定されている場合、或いは、該無線基地局が、クローズド状態に設定されており、アクセス可能な移動局を示す情報として全ての移動局を示す特定情報が設定されているアクセスリストを管理している場合には、該無線基地局配下のセルに対する全ての移動局の位置登録処理を許可するように構成されていることを特徴とする請求項1に記載の移動通信システム。
- 前記移動局の位置登録処理を要求する位置登録要求に含まれる情報に応じて、前記無線基地局がオープン状態であるかクローズド状態であるかについて判断し、該判断結果に基づいて、該無線基地局配下のセルに対する該移動局の位置登録処理の可否を判断するように構成されていることを特徴とする請求項1又は2に記載の移動通信システム。
- 前記無線基地局配下のセルに対する前記移動局の位置登録処理が拒否された場合、該移動局に対して、位置登録処理を行うべきセルに関する情報を通知するように構成されていることを特徴とする請求項1乃至3のいずれか一項に記載の移動通信システム。
- オープン状態又はクローズド状態のいずれかに設定可能な無線基地局配下のセルに対する移動局のハンドオーバの可否を判断するように構成されている移動通信システムであって、
前記無線基地局が、オープン状態に設定されている場合、該無線基地局が、クローズド状態に設定されており、アクセス可能な移動局として前記移動局が設定されているアクセスリストを管理している場合、或いは、該無線基地局が、クローズド状態に設定されており、アクセス可能な移動局を示す情報として全ての移動局を示す特定情報が設定されているアクセスリストを管理している場合にのみ、該無線基地局配下のセルに対する該移動局のハンドオーバを許可するように構成されていることを特徴とする移動通信システム。 - 前記無線基地局が、オープン状態に設定されている場合、或いは、該無線基地局が、クローズド状態に設定されており、アクセス可能な移動局を示す情報として全ての移動局を示す特定情報が設定されているアクセスリストを管理している場合には、該無線基地局配下のセルに対する全ての移動局のハンドオーバを許可するように構成されていることを特徴とする請求項5に記載の移動通信システム。
- オープン状態又はクローズド状態のいずれかに設定可能な無線基地局配下のセルに対する移動局の位置登録処理の可否を判断する位置登録方法であって、
前記無線基地局が、オープン状態に設定されている場合、該無線基地局が、クローズド状態に設定されており、アクセス可能な移動局として前記移動局が設定されているアクセスリストを管理している場合、或いは、該無線基地局が、クローズド状態に設定されており、アクセス可能な移動局を示す情報として全ての移動局を示す特定情報が設定されているアクセスリストを管理している場合にのみ、該無線基地局配下のセルに対する該移動局の位置登録処理を許可することを特徴とする位置登録方法。 - オープン状態又はクローズド状態のいずれかに設定可能な無線基地局配下のセルに対する移動局のハンドオーバの可否を判断するハンドオーバ方法であって、
前記無線基地局が、オープン状態に設定されている場合、該無線基地局が、クローズド状態に設定されており、アクセス可能な移動局として前記移動局が設定されているアクセスリストを管理している場合、或いは、該無線基地局が、クローズド状態に設定されており、アクセス可能な移動局を示す情報として全ての移動局を示す特定情報が設定されているアクセスリストを管理している場合にのみ、該無線基地局配下のセルに対する該移動局のハンドオーバを許可することを特徴とするハンドオーバ方法。 - オープン状態又はクローズド状態のいずれかに設定可能な無線基地局配下のセルに対する移動局の位置登録処理の可否を判断するように構成されている交換局であって、
前記無線基地局が、オープン状態に設定されている場合、該無線基地局が、クローズド状態に設定されており、アクセス可能な移動局として前記移動局が設定されているアクセスリストを管理している場合、或いは、該無線基地局が、クローズド状態に設定されており、アクセス可能な移動局を示す情報として全ての移動局を示す特定情報が設定されているアクセスリストを管理している場合にのみ、該無線基地局配下のセルに対する該移動局の位置登録処理を許可するように構成されていることを特徴とする交換局。 - 前記無線基地局が、オープン状態に設定されている場合、或いは、該無線基地局が、クローズド状態に設定されており、アクセス可能な移動局を示す情報として全ての移動局を示す特定情報が設定されているアクセスリストを管理している場合には、該無線基地局配下のセルに対する全ての移動局の位置登録処理を許可するように構成されていることを特徴とする請求項9に記載の交換局。
- 前記移動局の位置登録処理を要求する位置登録要求に含まれる情報に応じて、前記無線基地局がオープン状態であるかクローズド状態であるかについて判断し、該判断結果に基づいて、該無線基地局配下のセルに対する該移動局の位置登録処理の可否を判断するように構成されていることを特徴とする請求項9又は10に記載の交換局。
- オープン状態又はクローズド状態のいずれかに設定可能な無線基地局配下のセルに対する移動局の位置登録処理の可否を判断するように構成されている移動通信システムで用いられる移動局であって、
前記無線基地局が、オープン状態に設定されている場合、該無線基地局が、クローズド状態に設定されており、アクセス可能な移動局として前記移動局が設定されているアクセスリストを管理している場合、或いは、該無線基地局が、クローズド状態に設定されており、アクセス可能な移動局を示す情報として全ての移動局を示す特定情報が設定されているアクセスリストを管理している場合にのみ、該無線基地局配下のセルに対して、該移動局の位置登録処理を要求する位置登録要求を送信するように構成されていることを特徴とする移動局。 - オープン状態又はクローズド状態のいずれかに設定可能な無線基地局配下のセルに対する移動局のハンドオーバの可否を判断するように構成されている無線制御局であって、
前記無線基地局が、オープン状態に設定されている場合、該無線基地局が、クローズド状態に設定されており、アクセス可能な移動局として前記移動局が設定されているアクセスリストを管理している場合、或いは、該無線基地局が、クローズド状態に設定されており、アクセス可能な移動局を示す情報として全ての移動局を示す特定情報が設定されているアクセスリストを管理している場合にのみ、該無線基地局配下のセルに対する該移動局のハンドオーバを許可するように構成されていることを特徴とする無線制御局。 - 前記無線基地局が、オープン状態に設定されている場合、或いは、該無線基地局が、クローズド状態に設定されており、アクセス可能な移動局を示す情報として全ての移動局を示す特定情報が設定されているアクセスリストを管理している場合には、該無線基地局配下のセルに対する全ての移動局のハンドオーバを許可するように構成されていることを特徴とする請求項13に記載の無線制御局。
- 前記無線基地局配下のセルに対する前記移動局の位置登録処理の拒否回数に応じて、該無線基地局配下のセルに対する該移動局の位置登録処理を拒否する旨を通知するための否定的な位置登録応答に含める要因を変更するように構成されていることを特徴とする請求項9乃至11のいずれか一項に記載の交換局。
- 前記拒否回数が、所定回数未満である場合、前記位置登録応答に、前記移動局の位置登録処理が許可されていない旨を示す要因以外の要因を含めるように構成されていることを特徴とする請求項15に記載の交換局。
- 前記拒否回数が、所定回数に到達した場合、前記位置登録応答に、前記移動局の位置登録処理が許可されていない旨を示す要因を含めるように構成されていることを特徴とする請求項15又は16に記載の交換局。
- 前記拒否回数が、所定回数に到達した場合、前記無線基地局配下のセルに対する前記移動局の位置登録処理を許可するように構成されていることを特徴とする請求項15又は16に記載の交換局。
- オープン状態又はクローズド状態のいずれかに設定可能な配下のセルに対する移動局の位置登録処理の可否を判断するように構成されている無線基地局であって、
オープン状態に設定されている場合、クローズド状態に設定されており、アクセス可能な移動局として前記移動局が設定されているアクセスリストを管理している場合、或いは、クローズド状態に設定されており、アクセス可能な移動局を示す情報として全ての移動局を示す特定情報が設定されているアクセスリストを管理している場合にのみ、配下のセルに対する該移動局の位置登録処理を許可するように構成されていることを特徴とする無線基地局。 - オープン状態に設定されている場合、或いは、クローズド状態に設定されており、アクセス可能な移動局を示す情報として全ての移動局を示す特定情報が設定されているアクセスリストを管理している場合には、配下のセルに対する全ての移動局の位置登録処理を許可するように構成されていることを特徴とする請求項19に記載の無線基地局。
- オープン状態又はクローズド状態のいずれかに設定可能な無線基地局配下のセルに対する移動局の位置登録処理の可否を判断するように構成されている集約装置であって、
前記無線基地局が、オープン状態に設定されている場合、該無線基地局が、クローズド状態に設定されており、アクセス可能な移動局として前記移動局が設定されているアクセスリストを管理している場合、或いは、該無線基地局が、クローズド状態に設定されており、アクセス可能な移動局を示す情報として全ての移動局を示す特定情報が設定されているアクセスリストを管理している場合にのみ、該無線基地局配下のセルに対する該移動局の位置登録処理」を許可するように構成されていることを特徴とする集約装置。 - 前記無線基地局が、オープン状態に設定されている場合、或いは、該無線基地局が、クローズド状態に設定されており、アクセス可能な移動局を示す情報として全ての移動局を示す特定情報が設定されているアクセスリストを管理している場合には、該無線基地局配下のセルに対する全ての移動局の位置登録処理を許可するように構成されていることを特徴とする請求項21に記載の集約装置。
- 前記移動局の位置登録処理を要求する位置登録要求に含まれる情報に応じて、前記無線基地局がオープン状態であるかクローズド状態であるかについて判断し、該判断結果に基づいて、該無線基地局配下のセルに対する該移動局の位置登録処理の可否を判断するように構成されていることを特徴とする請求項21又は22に記載の集約装置。
- オープン状態又はクローズド状態のいずれかに設定可能な無線基地局配下のセルに対する移動局の位置登録処理の可否を判断するように構成されている無線制御局であって、
前記無線基地局が、オープン状態に設定されている場合、該無線基地局が、クローズド状態に設定されており、アクセス可能な移動局として前記移動局が設定されているアクセスリストを管理している場合、或いは、該無線基地局が、クローズド状態に設定されており、アクセス可能な移動局を示す情報として全ての移動局を示す特定情報が設定されているアクセスリストを管理している場合にのみ、該無線基地局配下のセルに対する該移動局の位置登録処理」を許可するように構成されていることを特徴とする無線制御局。 - 前記無線基地局が、オープン状態に設定されている場合、或いは、該無線基地局が、クローズド状態に設定されており、アクセス可能な移動局を示す情報として全ての移動局を示す特定情報が設定されているアクセスリストを管理している場合には、該無線基地局配下のセルに対する全ての移動局の位置登録処理を許可するように構成されていることを特徴とする請求項24に記載の無線制御局。
- 前記移動局の位置登録処理を要求する位置登録要求に含まれる情報に応じて、前記無線基地局がオープン状態であるかクローズド状態であるかについて判断し、該判断結果に基づいて、該無線基地局配下のセルに対する該移動局の位置登録処理の可否を判断するように構成されていることを特徴とする請求項24又は25に記載の無線制御局。
- オープン状態又はクローズド状態のいずれかに設定可能な配下のセルに対する移動局のハンドオーバの可否を判断するように構成されている無線基地局であって、
オープン状態に設定されている場合、クローズド状態に設定されており、アクセス可能な移動局として前記移動局が設定されているアクセスリストを管理している場合、或いは、クローズド状態に設定されており、アクセス可能な移動局を示す情報として全ての移動局を示す特定情報が設定されているアクセスリストを管理している場合にのみ、配下のセルに対する該移動局のハンドオーバを許可するように構成されていることを特徴とする無線基地局。 - オープン状態に設定されている場合、或いは、クローズド状態に設定されており、アクセス可能な移動局を示す情報として全ての移動局を示す特定情報が設定されているアクセスリストを管理している場合には、配下のセルに対する全ての移動局のハンドオーバを許可するように構成されていることを特徴とする請求項27に記載の無線基地局。
- オープン状態又はクローズド状態のいずれかに設定可能な無線基地局配下のセルに対する移動局のハンドオーバの可否を判断するように構成されている集約装置であって、
前記無線基地局が、オープン状態に設定されている場合、該無線基地局が、クローズド状態に設定されており、アクセス可能な移動局として前記移動局が設定されているアクセスリストを管理している場合、或いは、該無線基地局が、クローズド状態に設定されており、アクセス可能な移動局を示す情報として全ての移動局を示す特定情報が設定されているアクセスリストを管理している場合にのみ、該無線基地局配下のセルに対する該移動局のハンドオーバを許可するように構成されていることを特徴とする集約装置。 - 前記無線基地局が、オープン状態に設定されている場合、或いは、該無線基地局が、クローズド状態に設定されており、アクセス可能な移動局を示す情報として全ての移動局を示す特定情報が設定されているアクセスリストを管理している場合には、該無線基地局配下のセルに対する全ての移動局のハンドオーバを許可するように構成されていることを特徴とする請求項29に記載の集約装置。
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EP09713406.8A EP2252122A4 (en) | 2008-02-18 | 2009-02-18 | MOBILE COMMUNICATION SYSTEM, POSITION RECORDING METHOD, TRANSFER METHOD, EXCHANGE STATION, MOBILE STATION, AND RADIO CONTROL STATION |
US12/918,199 US20110070886A1 (en) | 2008-02-18 | 2009-02-18 | Mobile communication system, location registration method, handover method, exchange, mobile station, and radio control station |
CN2009801059692A CN101953210B (zh) | 2008-02-18 | 2009-02-18 | 移动通信系统、位置登录方法、切换方法、交换站、移动台以及无线控制站 |
JP2009554349A JP4629797B2 (ja) | 2008-02-18 | 2009-02-18 | 移動通信システム、位置登録方法、ハンドオーバ方法、交換局、移動局及び無線制御局 |
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JP2011124856A (ja) * | 2009-12-11 | 2011-06-23 | Ntt Docomo Inc | 利用者情報管理システムおよび利用者情報管理方法 |
JP2011199505A (ja) * | 2010-03-18 | 2011-10-06 | Ntt Docomo Inc | 通信制御装置、及び、位置登録方法 |
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JP2013512598A (ja) * | 2009-11-27 | 2013-04-11 | ファーウェイ デバイス カンパニー リミテッド | リダイレクト方法、リダイレクト装置、及び通信システム |
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CN101953210A (zh) | 2011-01-19 |
JP4629797B2 (ja) | 2011-02-09 |
EP2252122A4 (en) | 2015-01-07 |
JP2011083005A (ja) | 2011-04-21 |
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US20110070886A1 (en) | 2011-03-24 |
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