WO2010087411A1 - 移動局及び移動通信方法 - Google Patents
移動局及び移動通信方法 Download PDFInfo
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- WO2010087411A1 WO2010087411A1 PCT/JP2010/051160 JP2010051160W WO2010087411A1 WO 2010087411 A1 WO2010087411 A1 WO 2010087411A1 JP 2010051160 W JP2010051160 W JP 2010051160W WO 2010087411 A1 WO2010087411 A1 WO 2010087411A1
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- emergency call
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- 238000000034 method Methods 0.000 title claims description 20
- 238000010295 mobile communication Methods 0.000 title description 8
- 230000005540 biological transmission Effects 0.000 claims abstract description 54
- 238000004891 communication Methods 0.000 claims description 6
- 230000006870 function Effects 0.000 description 50
- 230000004044 response Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 3
- 238000012508 change request Methods 0.000 description 2
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- 238000005516 engineering process Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72418—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality for supporting emergency services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/90—Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/18—Selecting a network or a communication service
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/50—Connection management for emergency connections
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
Definitions
- the present invention relates to a mobile station and a mobile communication method.
- PS packet switching dedicated network
- VoIP Voice over IP
- the mobile station UE when there is a service provided only by the CS network, the mobile station UE cannot use the service in the PS dedicated network.
- CS service circuit switching service
- voice service such as a voice service
- PS dedicated network the connection in the PS dedicated network is switched to a connection in a UMTS network having a CS network.
- CSFB Fallback
- the mobile station UE needs to perform the following operations when performing CS fallback and originating a CS service from a PS dedicated network to a network having a CS network.
- the NAS (Non Access Stratum) function transmits a CS transmission request to the AS (Access Stratum) function.
- the AS function transmits a fallback request to the CS network to the PS dedicated network.
- the PS dedicated network transmits a handover instruction to the CS network or a RAT (Radio Access Technology) change request to the mobile station UE.
- RAT Radio Access Technology
- the mobile station UE transmits a CS service in the CS network.
- the difference between the transmission operation of the CS service and the transmission operation of the normal CS service is the operations (2) and (3) (that is, fallback processing).
- the mobile station UE notifies the PS dedicated network that it wants to use the CS service, and the PS dedicated network prepares for switching to the connection in the network having the CS network, and the mobile This is configured by processing for transmitting a handover request to a cell under a CS network or a RAT change request to a network (RAT) having a CS network to a station UE.
- RAT network
- the operation after the fallback processing is completed that is, the operation after (4) is the same as the normal transmission processing.
- the mobile station UE uses the CSFB to make and receive emergency calls via cells under the UMTS network and cells under the GSM network. Configured to do.
- the user identifier that can be set in the message “Extended Service Request message” transmitted when an emergency call is transmitted by the mobile station UE is only “M-TMSI (M-Temporary Mobile Subscriber Identity)”. It has become.
- the mobile station UE Since the M-TMSI is a user identifier assigned only to the mobile station UE in the Attached state, the mobile station UE performs the Attach in the LTE network as in the case of the UMTS network or the GSM network. There was a problem that it was not possible to make an emergency call when the call was not made.
- the mobile station UE even if the mobile station UE is in an attached state and has M-TMSI, the mobile station UE has moved out to the area where the location registration is restricted, so that the M-TMSI is paid out.
- the packet exchange MME sends an “Extended Service Request message” to the “Extended Service Request message”. Since it does not recognize the included M-TMSI, it rejects the transmission of such an emergency call and prompts the mobile station UE to register its location (ie, “Service Reject (# 9: UE identity can be done by by To send the network) ").
- the present invention has been made in view of the above-described problems, and a mobile station and a mobile station capable of making an emergency call transmission via the CS network even when waiting in the PS dedicated network
- An object is to provide a communication method.
- the first feature of the present invention is that the mobile station UE detects an emergency call origination while waiting in a cell under the first network, which is a PS dedicated network (packet switched dedicated network). If it is determined that it is possible to wait in a cell under the second network having a CS network (circuit-switched network), an emergency call is transmitted through the cell under the second network.
- An emergency call transmission processing unit is provided.
- the second feature of the present invention is a mobile communication method in which an emergency call is transmitted in a state where a mobile station is standing by in a cell under the first network which is a PS dedicated network (packet switched dedicated network).
- a step of determining whether or not standby is possible in a cell under a second network having a CS network (circuit switching network) when an opportunity is detected; and a standby in the cell under the second network in the mobile station And a step of sending an emergency call via a cell under the second network when it is determined that the call is possible.
- FIG. 1 is a functional block diagram of a mobile station according to the first embodiment of the present invention.
- FIG. 2 is a sequence diagram showing operations inside the mobile station according to the first embodiment of the present invention.
- FIG. 3 is a diagram for explaining how a mobile station performs emergency call transmission in the mobile communication system according to the first embodiment of the present invention.
- the mobile station UE is configured to perform communication in an LTE network (first network) that is a PS dedicated network and a UMTS network (second network) having a CS network.
- LTE network first network
- second network UMTS network
- an LTE network is described as an example of the PS dedicated network, but other types of networks may be used as the PS dedicated network.
- a UMTS network is described as an example of a network (RAT) having a CS network.
- a network (RAT) having a CS network a GSM network, a CDMA2000 network, etc.
- Other types of networks may be used.
- the mobile station UE includes an emergency call transmission processing unit configured to transmit an emergency call not via the PS network but via the CS network.
- an emergency call transmission processing unit configured to transmit an emergency call not via the PS network but via the CS network.
- the mobile station UE has a configuration related to an emergency call transmission processing unit, an MM (Mobility Management) function unit 11, an EMM (EPS Mobility Management) function unit 12, and an RRC (UMTS) function unit. 13, an RRC (LTE) function unit 14, and an HW function unit 15.
- MM Mobility Management
- EMM EPS Mobility Management
- RRC UMTS
- the MM function unit 11 functions as a mobility management task in the UMTS system
- the EMM function unit 12 functions as a mobility management task in the LTE system.
- the RRC (UMTS) function unit 13 is configured to perform RRC protocol processing in the UMTS system
- the RRC (LTE) function unit 14 is configured to perform RRC protocol processing in the LTE system.
- the MM function unit 11 shows in step S1001.
- an emergency call transmission request is transmitted to the EMM function unit 12, as shown in step S1002.
- the EMM function unit 12 is configured to determine the ECM (EPS Connection Management) state of the mobile station UE when receiving an emergency call transmission request from the MM function unit 11.
- ECM EPS Connection Management
- the EMM function unit 12 is configured to determine whether or not the ECM state of the mobile station UE is “ECM_IDLE state” or “ECM_CONNECTED state”.
- the ECM state of the mobile station UE is the “ECM_IDLE state”
- the mobile station UE is in a non-communication state in the LTE cell.
- the ECM state of the mobile station UE is “ECM_CONNECTED state”
- the mobile station UE has established an RRC connection in the LTE cell and is in a communication state.
- the EMM function unit 12 determines that the ECM state of the mobile station UE is “ECM_CONNECTED state”
- the EMM function unit 12 switches the first connection in the LTE network to the second connection in the UMTS network by performing a CSFB procedure. It may be configured as follows.
- the MM function unit 11 is configured to make an emergency call via the second connection.
- the EMM function unit 12 determines that the ECM state of the mobile station UE is the “ECM_IDLE state”, the EMM function unit 12 sends an “emergency call response” to the RRC (LTE) function unit 14 as shown in step S1004.
- the cell search request indicating "" is transmitted.
- the RRC (LTE) function unit 14 is configured to transmit the cell search request received from the EMM function unit 12 to the HW function unit 15 as shown in step S1005.
- the HW function unit 15 performs a cell search process in response to the cell search request received from the RRC (LTE) function unit 14 as shown in step S1006, and displays the result of the cell search process as shown in step S1007.
- the cell search response including the cell search response is transmitted to the RRC (LTE) function unit 14.
- the HW function unit 15 is configured to search for the frequency of a cell under the UMTS network (hereinafter referred to as a UMTS cell) in response to the cell search request described above.
- the RRC (LTE) function unit 14 has a UMTS cell in which the mobile station UE can wait according to the result of the cell search process included in the cell search response received from the HW function unit 15. It is configured to determine whether or not.
- the RRC (LTE) function unit 14 is configured to set the specific UMTS cell as a UMTS cell that the mobile station UE can wait for. Yes.
- the RRC (LTE) function unit 14 is configured to transmit, to the EMM function unit 12, a cell search response including information for specifying a UMTS cell on which the mobile station UE can wait. Yes.
- the RRC (LTE) function unit 14 specifies a UMTS cell in which the mobile station UE can wait.
- the cell search response including the information may be configured to be transmitted to the EMM function unit 12.
- the RRC (LTE) function unit 14 determines the standby cell set for the LTE cell as the priority (standby priority) used when determining the standby cell set for the UMTS cell. Even when the priority is lower than the priority used for the determination, the mobile station UE is configured to transmit a cell search response including information specifying a UMTS cell that can be listened to to the EMM function unit 12. It may be.
- the EMM function unit 12 is configured to start the RAT switching process from the LTE method to the UMTS method in response to the cell search response received from the RRC (LTE) function unit 14, After completion of the RAT switching process, the RRC (UMTS) function unit 13 starts waiting in the UMTS cell as shown in step S1011 and starts waiting for the MM function unit 11 as shown in step S1012. Configured to notify the UMTS cell.
- the MM function unit 11 is configured to make an emergency call via the UMTS cell notified from the RRC (UMTS) function unit 13 as shown in step S1013.
- the MM function unit 11 may be configured to make an emergency call via a UMTS cell without performing location registration with respect to the UMTS network, or with respect to the UMTS network. After registration, the emergency call may be made via the UMTS cell.
- an emergency call can be made without performing location registration using a user identifier IMSI that is fixedly assigned to the mobile station UE.
- the MM function unit 11 can reduce the time required for connection of an emergency call by making an emergency call via a UMTS cell without performing location registration for the UMTS network.
- step S102 when the mobile station UE waiting in the LTE cell detects an emergency call transmission instruction by a user operation or the like in step S101, in step S102, the emergency call is transmitted in the LTE cell. 3 is recognized (for example, when the M-TMSI issued by the packet switch MME shown in FIG. 3 is not held or when transmission restriction is performed in the LTE cell). .
- step S103 the mobile station UE performs a cell search process for the frequency used in the UMTS cell.
- step S104 even when the mobile station UE has a standby priority in the UMTS cell lower than the standby priority in the LTE cell and the reception level in the LTE cell satisfies the condition for continuing as a standby cell, If it is determined that standby is possible in the UMTS cell, standby in the UMTS cell is started.
- step S105 the mobile station UE transmits an emergency call via the UMTS cell.
- first mode in which an emergency call is transmitted in “ECM_IDLE state” without using CSFB
- emergency call in “ECM_IDLE state” using CSFB preferentially.
- second mode for making a call.
- the mobile station UE when the mobile station UE is set to the first mode (and has M-TMSI), the mobile station UE detects an emergency call transmission trigger while waiting in the LTE cell. In such a case, and when it is determined that the UMTS cell can stand by, an emergency call may be transmitted through the UMTS cell.
- the mobile station UE when the mobile station UE is set to the second mode (regardless of whether or not it has M-TMSI), the mobile station UE issues an emergency call while waiting in the LTE cell.
- the trigger is detected and it is determined that the UMTS cell can wait, after establishing the first connection via the LTE cell, the first connection is switched to the second connection in the UMTS network, You may be comprised so that an emergency call may be transmitted via a 2nd connection.
- the mobile station when waiting for an LTE cell, when an emergency call origination trigger is detected, the mobile station does not have M-TMSI. However, it is possible to make an emergency call via a UMTS cell that can stand by.
- the first feature of the present embodiment is that the mobile station UE is an emergency call in a state where the mobile station UE is standing by in a cell under the LTE network (first network) that is a PS dedicated network (packet switched dedicated network). And when it is determined that a cell under a UMTS network (second network) having a CS network (circuit-switched network) can wait, a cell under the UMTS network is detected.
- the gist of the present invention is that it includes an emergency call transmission processing unit configured to transmit an emergency call through the network.
- the emergency call transmission processing unit determines that it can wait in a cell under the UMTS network when the reception level in the cell under the UMTS network is higher than a predetermined threshold. It may be configured.
- the emergency call transmission processing unit detects an emergency call transmission trigger in a state where the emergency call transmission processing unit is waiting in a cell under the LTE network, and the emergency call transmission processing unit is under the control of the UMTS network. If it is determined that the cell can wait, even if the reception level in the cell under the UMTS network is lower than the reception level in the cell under the LTE network, the cell passes through the cell under the UMTS network. It may be configured to make an emergency call.
- the emergency call transmission processing unit detects an emergency call transmission trigger in a state where the emergency call transmission processing unit is waiting in a cell under the LTE network, and the emergency call transmission processing unit is under the control of the UMTS network. If it is determined that the cell can wait, the priority used when determining the standby cell set for the cell under the UMTS network is set for the cell under the LTE network. Even when the priority is lower than the priority used when determining the standby cell being used, the emergency call may be transmitted through a cell under the UMTS network.
- the emergency call transmission processing unit detects an emergency call transmission trigger in a state where the emergency call transmission processing unit is waiting in a cell under the LTE network, and the emergency call transmission processing unit is under the control of the UMTS network. If it is determined that the cell can wait, the emergency call may be transmitted through a cell under the UMTS network without performing location registration for the UMTS network. .
- the emergency call transmission processing unit when the emergency call transmission processing unit detects an emergency call transmission trigger in a state where the first connection is established in the LTE network, the emergency call transmission processing unit detects the first connection as the UMTS method. It may be configured to switch to the second connection in the network and to make an emergency call via the second connection.
- the emergency call transmission processing unit when the mobile station UE is set to the first mode, performs an emergency call while waiting in a cell under the LTE network. And an emergency call is transmitted via a cell under the UMTS network when it is determined that it is possible to wait in a cell under the UMTS network.
- the emergency call transmission processing unit detects an emergency call transmission trigger while waiting in a cell under the LTE network.
- the cell passes through the cell under the LTE network. After establishing a first connection, it switches the first connection to a second connection in the UMTS system network may be configured to perform the sending of an emergency call via the second connection.
- a second feature of the present embodiment is a mobile communication method, in which a mobile station UE detects an emergency call origination while waiting in a cell under an LTE network, which is a PS dedicated network.
- LTE network which is a PS dedicated network.
- the operations of the radio base station eNB, the mobile station UE, the packet switch MME, and the circuit switch MSC described above may be performed by hardware, software modules executed by a processor, or both. It may be implemented by a combination of
- Software modules include RAM (Random Access Memory), flash memory, ROM (Read Only Memory), EPROM (Erasable Programmable ROM), EEPROM (Electronically Erasable and Programmable, Removable ROM, and Hard Disk). Alternatively, it may be provided in an arbitrary format storage medium such as a CD-ROM.
- the 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 station eNB, the mobile station UE, the packet switch MME, or the circuit switch MSC. Further, the storage medium and the processor may be provided as a discrete component in the radio base station eNB, the mobile station UE, the packet switch MME, or the circuit switch MSC.
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Abstract
Description
図1乃至図3を参照して、本発明の第1の実施形態に係る移動局について説明する。
Claims (9)
- パケット交換専用ネットワークである第1ネットワーク配下のセルにおいて待ち受けを行っている状態で、緊急呼の発信契機を検出した場合で、かつ、回線交換ネットワークを有する第2ネットワーク配下のセルにおいて待ち受け可能であると判定された場合に、該第2ネットワーク配下のセルを介して緊急呼の発信を行うように構成されている緊急呼発信処理部を具備することを特徴とする移動局。
- 前記緊急呼発信処理部は、前記第1ネットワーク配下のセルにおいて待ち受けを行っている状態で、前記緊急呼の発信契機を検出した場合で、前記第1ネットワーク配下のパケット交換局によって払い出されたM-TMSI(M-Temporary Moblile Subscriber Identity)を保有していない場合で、かつ、前記第2ネットワーク配下のセルにおいて待ち受け可能であると判定された場合に、該第2ネットワーク配下のセルを介して緊急呼の発信を行うように構成されていることを特徴とする請求項1に記載の移動局。
- 前記緊急呼発信処理部は、前記第2ネットワーク配下のセルにおける受信レベルが所定閾値よりも大きい場合に、該第2ネットワーク配下のセルにおいて待ち受け可能であると判定するように構成されていることを特徴とする請求項1に記載の移動局。
- 前記緊急呼発信処理部は、前記第1ネットワーク配下のセルにおいて待ち受けを行っている状態で、前記緊急呼の発信契機を検出した場合で、かつ、前記第2ネットワーク配下のセルにおいて待ち受け可能であると判定された場合には、該第2ネットワーク配下のセルにおける受信レベルが該第1ネットワーク配下のセルにおける受信レベルよりも小さい場合であっても、該第2ネットワーク配下のセルを介して緊急呼の発信を行うように構成されていることを特徴とする請求項1に記載の移動局。
- 前記緊急呼発信処理部は、前記第1ネットワーク配下のセルにおいて待ち受けを行っている状態で、前記緊急呼の発信契機を検出した場合で、かつ、前記第2ネットワーク配下のセルにおいて待ち受け可能であると判定された場合には、該第2ネットワーク配下のセルに対して設定されている待ち受けセルを決定する際に用いられる優先度が、該第1ネットワーク配下のセルに対して設定されている待ち受けセルを決定する際に用いられる優先度よりも低い場合であっても、該第2ネットワーク配下のセルを介して緊急呼の発信を行うように構成されていることを特徴とする請求項1に記載の移動局。
- 前記緊急呼発信処理部は、前記第1ネットワーク配下のセルにおいて待ち受けを行っている状態で、前記緊急呼の発信契機を検出した場合で、かつ、前記第2ネットワーク配下のセルにおいて待ち受け可能であると判定された場合には、該第2ネットワークに対して位置登録を行うことなく、該第2ネットワーク配下のセルを介して緊急呼の発信を行うように構成されていることを特徴とする請求項1に記載の移動局。
- 前記緊急呼発信処理部は、前記第1ネットワークにおいて第1コネクションを確立している状態で、前記緊急呼の発信契機を検出した場合には、該第1コネクションを前記第2ネットワークにおける第2コネクションに切り替え、該第2コネクションを介して緊急呼の発信を行うように構成されていることを特徴とする請求項1に記載の移動局。
- 前記緊急呼発信処理部は、前記移動局が第1モードに設定されている場合には、前記第1ネットワーク配下のセルにおいて待ち受けを行っている状態で、緊急呼の発信契機を検出した場合で、かつ、前記第2ネットワーク配下のセルにおいて待ち受け可能であると判定された場合に、該第2ネットワーク配下のセルを介して緊急呼の発信を行うように構成されており、
前記緊急呼発信処理部は、前記移動局が第2モードに設定されている場合には、前記第1ネットワーク配下のセルにおいて待ち受けを行っている状態で、緊急呼の発信契機を検出した場合で、かつ、前記第2ネットワーク配下のセルにおいて待ち受け可能であると判定された場合に、該第1ネットワーク配下のセルを介して第1コネクションを確立した後、該第1コネクションを該第2ネットワークにおける第2コネクションに切り替え、該第2コネクションを介して緊急呼の発信を行うように構成されていることを特徴とする請求項1に記載の移動局。 - 移動局において、パケット交換専用ネットワークである第1ネットワーク配下のセルにおいて待ち受けを行っている状態で、緊急呼の発信契機を検出した場合に、回線交換ネットワークを有する第2ネットワーク配下のセルにおいて待ち受け可能であるか否かについて判定する工程と、
前記移動局において、前記第2ネットワーク配下のセルにおいて待ち受け可能であると判定された場合に、該第2ネットワーク配下のセルを介して緊急呼の発信を行う工程とを有することを特徴とする移動通信方法。
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CN201080006038XA CN102301758A (zh) | 2009-01-30 | 2010-01-28 | 移动台和移动通信方法 |
MX2011007993A MX2011007993A (es) | 2009-01-30 | 2010-01-28 | Estacion movil y metodo de comunicacion movil. |
RU2011132976/08A RU2530321C2 (ru) | 2009-01-30 | 2010-01-28 | Мобильная станция и способ мобильной связи |
AU2010208943A AU2010208943B2 (en) | 2009-01-30 | 2010-01-28 | Mobile station and mobile communication method |
US13/146,694 US20120020290A1 (en) | 2009-01-30 | 2010-01-28 | Mobile station and mobile communication method |
EP10735876.4A EP2393314A4 (en) | 2009-01-30 | 2010-01-28 | MOBILE STATION AND MOBILE COMMUNICATION METHOD |
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JP2009020633A JP4564091B2 (ja) | 2009-01-30 | 2009-01-30 | 移動局及び移動通信方法 |
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Cited By (3)
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CN102572758A (zh) * | 2010-11-24 | 2012-07-11 | 日本电气株式会社 | 紧急无线连接系统和紧急无线连接方法 |
US20130003698A1 (en) * | 2011-07-01 | 2013-01-03 | Interdigital Patent Holdings, Inc. | Method and apparatus for managing service continuity |
EP2605488A1 (en) * | 2010-08-11 | 2013-06-19 | NTT DoCoMo, Inc. | Mobile unit, communication control device, and communication control method |
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WO2012100946A2 (en) * | 2011-01-27 | 2012-08-02 | Deutsche Telekom Ag | Method for the use of a gsm/umts mobile communication network by a user equipment attached to a core network of an evolved packet system (eps) mobile communication network |
SG11201400925SA (en) * | 2011-09-30 | 2014-04-28 | Interdigital Patent Holdings | Methods, apparatus and systems for enabling managed remote access |
DE102011085785A1 (de) * | 2011-11-04 | 2013-05-08 | Vodafone Holding Gmbh | Registrierung von Funknetzwechseln aufgrund eines CS Fallback-Mechanismus |
JP5894290B2 (ja) * | 2012-10-16 | 2016-03-23 | 京セラ株式会社 | 通信機器、方法及びプログラム |
WO2014061663A1 (ja) | 2012-10-16 | 2014-04-24 | 京セラ株式会社 | 通信機器 |
KR102011268B1 (ko) | 2012-11-02 | 2019-08-16 | 삼성전자주식회사 | 다수의 통신 네트워크를 지원하는 단말에서 긴급 호출을 위한 rat 검색 방법 및 장치 |
KR102008842B1 (ko) * | 2012-11-22 | 2019-08-08 | 삼성전자주식회사 | 통신 시스템에서 네트워크 선택 장치 및 방법 |
WO2014122981A1 (ja) | 2013-02-07 | 2014-08-14 | 日本電気株式会社 | メッセージ送信装置、メッセージ送信方法及びメッセージ送信プログラム |
US10111141B2 (en) * | 2016-06-08 | 2018-10-23 | Mediatek Inc. | Apparatuses and methods for cell selection during a call fallback from an advanced network to a legacy network |
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- 2010-01-28 AU AU2010208943A patent/AU2010208943B2/en not_active Ceased
- 2010-01-28 RU RU2011132976/08A patent/RU2530321C2/ru not_active IP Right Cessation
- 2010-01-28 EP EP10735876.4A patent/EP2393314A4/en not_active Withdrawn
- 2010-01-28 MX MX2011007993A patent/MX2011007993A/es active IP Right Grant
- 2010-01-28 KR KR1020117018290A patent/KR20110120280A/ko not_active Application Discontinuation
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Cited By (8)
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EP2605488A1 (en) * | 2010-08-11 | 2013-06-19 | NTT DoCoMo, Inc. | Mobile unit, communication control device, and communication control method |
EP2605488A4 (en) * | 2010-08-11 | 2014-06-11 | Ntt Docomo Inc | MOBILE UNIT, COMMUNICATION CONTROL DEVICE AND COMMUNICATION CONTROL METHOD |
AU2011290142B2 (en) * | 2010-08-11 | 2015-01-22 | Ntt Docomo, Inc. | Mobile unit, communication control device, and communication control method |
RU2548910C2 (ru) * | 2010-08-11 | 2015-04-20 | Нтт Докомо, Инк. | Мобильное устройство, устройство управления связью и способ управления связью |
CN102572758A (zh) * | 2010-11-24 | 2012-07-11 | 日本电气株式会社 | 紧急无线连接系统和紧急无线连接方法 |
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CN102572758B (zh) * | 2010-11-24 | 2017-04-12 | 日本电气株式会社 | 紧急无线连接系统和紧急无线连接方法 |
US20130003698A1 (en) * | 2011-07-01 | 2013-01-03 | Interdigital Patent Holdings, Inc. | Method and apparatus for managing service continuity |
Also Published As
Publication number | Publication date |
---|---|
EP2393314A4 (en) | 2013-08-07 |
MX2011007993A (es) | 2011-09-15 |
KR20110120280A (ko) | 2011-11-03 |
CN102301758A (zh) | 2011-12-28 |
US20120020290A1 (en) | 2012-01-26 |
JP4564091B2 (ja) | 2010-10-20 |
EP2393314A1 (en) | 2011-12-07 |
AU2010208943A1 (en) | 2011-08-25 |
RU2011132976A (ru) | 2013-03-10 |
AU2010208943B2 (en) | 2014-09-04 |
RU2530321C2 (ru) | 2014-10-10 |
JP2010178203A (ja) | 2010-08-12 |
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