WO2015141556A1 - 端末装置、基地局装置、使用アーキテクチャ決定方法、及びコンピュータプログラム - Google Patents
端末装置、基地局装置、使用アーキテクチャ決定方法、及びコンピュータプログラム Download PDFInfo
- Publication number
- WO2015141556A1 WO2015141556A1 PCT/JP2015/057339 JP2015057339W WO2015141556A1 WO 2015141556 A1 WO2015141556 A1 WO 2015141556A1 JP 2015057339 W JP2015057339 W JP 2015057339W WO 2015141556 A1 WO2015141556 A1 WO 2015141556A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- base station
- architecture
- terminal device
- terminal
- station apparatus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/51—Allocation or scheduling criteria for wireless resources based on terminal or device properties
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/15—Setup of multiple wireless link connections
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/16—Interfaces between hierarchically similar devices
- H04W92/20—Interfaces between hierarchically similar devices between access points
Definitions
- the present invention relates to a terminal device, a base station device, a usage architecture determination method, and a computer program.
- FIG. 10 is a conceptual diagram illustrating a configuration example of the LTE system.
- each base station apparatus (E-UTRAN NodeB) eNB_m provides a cell Cell_m. Each adjacent cell Cell_m is partially overlapped.
- Each base station device eNB_m is connected to a communication device S-GW called a serving gateway.
- the terminal equipment (user equipment) UE is connected to one base station apparatus eNB_m.
- the communication device S-GW establishes a communication link with the terminal device UE via the base station device eNB_m.
- a communication link established by the communication device S-GW with the terminal device UE via the base station device eNB_m is referred to as a bearer here.
- the communication device S-GW serves as an anchor point (a point for performing communication path switching) when the terminal device UE changes the connection destination base station device eNB_m.
- the change of the connection destination base station device eNB_m by the terminal device UE is referred to as “hand over” or “hand off”.
- FIG. 11 is a conceptual diagram showing another configuration example of the LTE system.
- a base station apparatus eNB_s is further provided for the LTE system of FIG.
- Each base station apparatus eNB_s is connected to the communication apparatus S-GW.
- Each base station apparatus eNB_s provides a cell Cell_s.
- the cell Cell_s has narrower coverage than the cell Cell_m.
- the cell Cell_s is overlapped with the cell Cell_m.
- introduction of the LTE system of FIG. 11 is under consideration due to the use of a high frequency band and the necessity of accommodating many terminal apparatuses UE.
- base station apparatus eNB_m and the base station apparatus eNB_s are not particularly distinguished, they are referred to as “base station apparatus eNB”.
- FIG. 12 shows an architecture called “1A”.
- Architecture 1A is a configuration in which bearers are established between the communication device S-GW and the terminal device UE via different base station devices eNB.
- a bearer Br1 is established between the communication device S-GW and the terminal device UE via the base station device eNB (a).
- a bearer Br2 is established between the communication device S-GW and the terminal device UE via the base station device eNB (b).
- this architecture 1A when viewed on a bearer basis, it can be regarded as a normal communication path between the communication device S-GW and the base station device eNB, and between the base station device eNB and the terminal device UE.
- the communication device S-GW and the terminal device UE communicate with each other through communication paths different for each bearer.
- FIG. 13 shows an architecture called “3C”.
- architecture 3C there is one communication path between the communication device S-GW and the base station device eNB.
- a bearer passing through the base station device eNB a part of bearers is divided into a plurality by the base station apparatus eNB, and a part of the divided bearers reaches the terminal apparatus UE via another base station apparatus eNB.
- a bearer Br3 passing through the base station apparatus eNB (a) is established between the communication apparatus S-GW and the terminal apparatus UE. This bearer Br3 is not divided.
- a bearer Br4 that passes through the base station apparatus eNB (a) is established between the communication apparatus S-GW and the terminal apparatus UE.
- This bearer Br4 is divided into a bearer Br4 (a) and a bearer Br4 (b) by the base station apparatus eNB (a).
- the bearer Br4 (a) directly reaches the terminal device UE from the base station device eNB (a).
- the bearer Br4 (b) reaches the terminal device UE from the base station device eNB (a) via the base station device eNB (b). Traffic transfer between the base station apparatuses eNB (a) and (b) is performed using a logical line called an X2 line.
- dual connectivity The establishment of a bearer between the terminal device UE and the communication device S-GW via the plurality of base station devices eNB as in the architectures 1A and 3C described above is referred to as dual connectivity (Dual connectivity). Also, in a state where dual connectivity is performed, a base station device eNB that leaves a bearer carrying control information is called a master base station device (MeNB (Master E-UTRAN NodeB)), and a destination to which some bearers are moved This base station apparatus eNB is called a secondary base station apparatus (SeNB (Secondary E-UTRAN NodeB)).
- MeNB Master E-UTRAN NodeB
- SeNB Secondary E-UTRAN NodeB
- the architectures 1A and 3C for example, while leaving some bearers, such as bearers carrying control information, in a certain base station apparatus eNB, other bearers pass through the other base station apparatus eNB to the terminal apparatus UE. Can be established between. For example, as illustrated in FIG. 11, when a large number of base station apparatuses eNB_s with narrow coverage are arranged, the number of handovers that occurs due to movement of the terminal apparatus UE increases, and as a result, the amount of control information that flows in the LTE system There is a concern that data traffic exchange by the terminal device UE will be compressed. As one of the countermeasures, the architectures 1A and 3C can be considered.
- the base station apparatus eNB knows the architecture supported by the terminal apparatus UE connected to itself. There is a need. However, in the conventional LTE system, the base station apparatus eNB cannot know the architecture supported by the terminal apparatus UE connected to itself.
- segmented by the base station apparatus eNB can use the radio
- the communication apparatus S-GW and the terminal apparatus UE It can be considered that the delay time between the two increases.
- the present invention has been made in view of such circumstances, and a terminal device, a base station device, and a use that can contribute to performing dual connectivity when there are a plurality of terminal devices each supporting different architectures It is an object to provide an architecture determination method and a computer program.
- a terminal device is a terminal device that establishes a communication link with a communication device via a base station device, and when establishing the communication link, Support indicating an architecture supported by the terminal device among a plurality of architectures for establishing another communication link with the terminal device via a second base station device while remaining in one base station device
- the wireless communication part which transmits architecture information to the said 1st or 2nd base station apparatus is provided.
- the support architecture information is information on terminal capability transmitted from the terminal device in response to an inquiry from the first or second base station device, or a function of a radio communication system. You may make it transmit in addition to the information showing the correspondence condition of the said terminal device.
- the wireless communication unit transmits simultaneous architecture availability information indicating whether or not the terminal device can simultaneously use the plurality of architectures to the first or second base station device. You may make it transmit.
- the support architecture information or the simultaneous use availability information of the plurality of architectures is information on terminal capability transmitted from the terminal device in response to an inquiry from the first or second base station device. Alternatively, it may be transmitted in addition to the information indicating the correspondence status of the terminal device with respect to the function of the wireless communication system.
- a terminal apparatus is a terminal apparatus that establishes a communication link with a communication apparatus via a base station apparatus, and when establishing the communication link, Information indicating an architecture supported by the terminal device among a plurality of architectures for establishing another communication link with the terminal device via the second base station device while remaining in one base station device
- a control unit that determines an architecture that can be used based on information indicating architecture supported by the first or second base station device, and the first or second base station device to which the terminal device is connected. Is received from the first or second base station apparatus, and received from the first or second base station apparatus.
- a wireless communication unit for transmitting information indicating the available architecture determined by the control unit to the first or second base station device using the ture information.
- a base station apparatus is a base station apparatus that relays a communication link established between a communication apparatus and a terminal apparatus.
- some of the communication links are Support indicating an architecture supported by the terminal device among a plurality of architectures that establish other communication links with the terminal device via the second base station device while remaining in the first base station device.
- the wireless communication part which receives architecture information from the said terminal device is provided.
- the base station apparatus further includes a control unit that determines a usable architecture based on the support architecture information received from the terminal apparatus and the support architecture information indicating the architecture supported by the base station apparatus. Also good.
- the wireless communication unit may receive, from the terminal device, simultaneous availability information of a plurality of architectures indicating whether or not the terminal device can use a plurality of the architectures simultaneously.
- the control unit determines a usable architecture based on the support architecture information received from the terminal device, the simultaneous availability information of the plurality of architectures, and the support architecture information indicating the architecture supported by the base station device. Also good.
- a usage architecture determination method is a usage architecture determination method of a terminal device that establishes a communication link with a communication device via a base station device, and the terminal device uses the communication link as a communication link.
- a plurality of architectures for establishing other communication links with the terminal device via the second base station device while leaving some communication links in the first base station device is a usage architecture determination method of a terminal device that establishes a communication link with a communication device via a base station device, and the terminal device uses the communication link as a communication link.
- a usage architecture determination method is a usage architecture determination method of a base station device that relays a communication link established between a communication device and a terminal device, and the base station device transmits the communication link.
- the step of receiving from the terminal device support architecture information indicating the architecture supported by the terminal device, the support architecture information received by the base station device from the terminal device, and the architecture supported by the base station device Determining available architectures based on support architecture information indicating
- a computer program according to the present invention establishes a communication link to a computer of a terminal device that establishes a communication link with a communication device via a base station device, Of the plurality of architectures that establish other communication links with the terminal device via the second base station device while remaining in the first base station device, the architecture supported by the terminal device is shown.
- Support architecture information indicating an architecture supported by a device is received from the first or second base station device, and the first or second base information is received.
- the computer program according to the present invention establishes the communication link to the computer of the base station device that relays the communication link established between the communication device and the terminal device, Of the plurality of architectures that establish other communication links with the terminal device via the second base station device while remaining in the first base station device, the architecture supported by the terminal device is shown.
- an LTE system will be described as an example of a wireless communication system.
- FIG. 1 is a block diagram showing a configuration of a base station apparatus eNB according to an embodiment of the present invention.
- the base station apparatus eNB includes a radio communication unit 11, a communication unit 12, a control unit 13, and a storage unit 14.
- the wireless communication unit 11, the communication unit 12, the control unit 13, and the storage unit 14 are connected so that data can be transmitted and received between them.
- the radio communication unit 11 performs radio communication with the terminal device UE.
- the communication unit 12 communicates with other devices via the backbone network.
- the communication unit 12 communicates with the communication device S-GW, for example.
- the control unit 13 controls operations related to the base station apparatus eNB.
- the storage unit 14 stores data.
- the storage unit 14 includes support architecture information 141, base station architecture information 142, and terminal architecture information 143.
- the support architecture information 141 indicates the architecture supported by the own base station apparatus eNB. In the LTE system according to the present embodiment, two architectures 1A (see FIG. 12) and 3C (see FIG. 13) are used in combination. Therefore, the support architecture information 141 indicates which architecture (1A or 3C, or both 1A and 3C) of the architectures 1A and 3C is supported by the own base station apparatus eNB.
- the base station architecture information 142 indicates an architecture supported by another base station apparatus eNB. Specifically, it shows which architecture (1A or 3C or both 1A and 3C) is supported by the other base station apparatus eNB among the architectures 1A and 3C.
- the terminal architecture information 143 indicates the architecture supported by the terminal device UE. Specifically, it indicates which architecture (1A or 3C, or both 1A and 3C) of the architectures 1A and 3C is supported by the terminal apparatus UE.
- FIG. 2 is a block diagram showing a configuration of the terminal apparatus UE according to an embodiment of the present invention.
- the terminal device UE includes a radio communication unit 21, a control unit 22, a storage unit 23, an input unit 24, and an output unit 25.
- the wireless communication unit 21, the control unit 22, the storage unit 23, the input unit 24, and the output unit 25 are connected so that data can be transmitted and received between them.
- the wireless communication unit 21 communicates with other devices via the base station device eNB that is wirelessly connected.
- the control unit 22 controls operations related to the terminal device UE.
- the storage unit 23 stores data.
- the input unit 24 inputs data.
- the output unit 25 outputs data.
- Examples of the input unit 24 include an input device such as a keyboard, a numeric keypad, and a mouse, a microphone for inputting sound, and a receiving device for short-range wireless communication.
- Examples of the output unit 25 include a display device such as a liquid crystal display device, a speaker that outputs sound, and a transmission device for short-range wireless communication.
- Examples of the terminal device UE include a mobile communication terminal device such as a smartphone or a tablet computer (tablet PC).
- the storage unit 23 has support architecture information 231.
- the support architecture information 231 indicates an architecture supported by the terminal device UE. Specifically, it shows which architecture (1A or 3C, or both 1A and 3C) of the architectures 1A and 3C the own terminal apparatus UE supports.
- FIG. 3 is a sequence chart showing the procedure of the architecture information acquisition method according to the first embodiment of the present invention.
- a terminal device capability inquiry procedure is used.
- the base station apparatus eNB knows what function the terminal apparatus UE supports, and sets the corresponding settings and communication instructions accordingly. There is a need to transmit to the device UE. For this reason, the base station apparatus eNB inquires of the terminal apparatus UE about information related to the function supported by the terminal apparatus UE (terminal capability information (user ⁇ equipment capability)).
- terminal capability information user ⁇ equipment capability
- Step S1 The control unit 13 of the base station apparatus eNB transmits a terminal capability inquiry message to the terminal apparatus UE by the radio communication unit 11.
- Step S ⁇ b> 2 The control unit 13 of the terminal device UE stores information on the terminal capability of the terminal device UE and further stores it in the storage unit 23 by the wireless communication unit 21 in response to an inquiry about the terminal capability from the base station device eNB
- the supported architecture information 231 (information indicating the architecture supported by the terminal device UE) is transmitted to the base station device eNB.
- the control unit 13 of the base station apparatus eNB receives the support architecture information (information indicating the architecture supported by the terminal apparatus UE) received by the response from the terminal apparatus UE in response to the terminal capability inquiry, and the terminal architecture information 143 of the terminal apparatus UE. Is stored in the storage unit 14.
- the configuration of the base station apparatus eNB is the same as that of FIG. 1 according to the first embodiment.
- the configuration of the terminal device UE is the same as that of FIG. 2 according to the first embodiment.
- FIG. 4 is a sequence chart showing the procedure of the architecture information acquisition method according to the second embodiment of the present invention. The operation according to the second embodiment will be described with reference to FIG. In the architecture information acquisition method according to the second embodiment, the capability inquiry procedure of the terminal device is used as in the first embodiment.
- Step S11 The control unit 13 of the base station apparatus eNB transmits a terminal capability inquiry message to the terminal apparatus UE by the wireless communication unit 11.
- Step S12 The control unit 22 of the terminal device UE responds to the inquiry about the terminal capability from the base station device eNB, and the radio communication unit 21 uses the terminal capability information of the terminal device UE and further uses multiple architectures simultaneously.
- the propriety information is transmitted to the base station apparatus eNB.
- Information on availability of simultaneous use of a plurality of architectures is included in the support architecture information 231 stored in the storage unit 23.
- the support architecture information 231 (information indicating the architecture supported by the terminal device UE and information on the simultaneous use of a plurality of architectures) may be transmitted to the base station device eNB.
- the simultaneous availability information of multiple architectures indicates whether or not the terminal device UE can use multiple architectures (both architectures 1A and 3C in this embodiment) at the same time. Whether or not both of the architectures 1A and 3C can be used at the same time is set in advance in the support architecture information 231 depending on the specifications of the hardware of the terminal device UE.
- the control unit 13 of the base station apparatus eNB stores, in the storage unit 14, the simultaneous use availability information of multiple architectures received by the response from the terminal apparatus UE in response to the terminal capability inquiry as the terminal architecture information 143 of the terminal apparatus UE.
- the support architecture information (information indicating the architecture supported by the terminal device UE and information on the simultaneous use of multiple architectures) is received from the terminal device UE
- the support architecture information (supported by the terminal device UE)
- Information indicating the architecture to be used and information on whether or not multiple architectures can be used simultaneously are stored in the storage unit 14 as the terminal architecture information 143 of the terminal apparatus UE.
- FIG. 5, FIG. 6, and FIG. 7, are flowcharts showing the procedure of the usage architecture determination method according to the second embodiment of the present invention.
- the own base station apparatus eNB is called the base station apparatus X.
- the target base station apparatus eNB refers to the partner base station apparatus eNB that performs dual connectivity together with the base station apparatus X.
- the bearer Y refers to a bearer newly established between the terminal device UE and the communication device S-GW and passing through the base station device X.
- Step S101 The control unit 13 reads the support architecture information 141 of the base station apparatus X from the storage unit 14.
- Step S102 The control unit 13 determines whether there are a plurality of architectures indicated by the read support architecture information 141. If there are a plurality of determination results, the process proceeds to step S103, and if there is only one, the process proceeds to step S113 in FIG.
- Step S103 The control unit 13 determines whether there are a plurality of architectures indicated by the base station architecture information 142 of the target base station apparatus eNB in the storage unit 14. If there are a plurality of determination results, the process proceeds to step S104 in FIG. 6 and if there is only one, the process proceeds to step S114 in FIG.
- Step S104 The control unit 13 determines whether or not the maximum transmission rate of the X2 line between the base station apparatus X and the target base station apparatus eNB is equal to or greater than a predetermined threshold. As a result of this determination, if it is equal to or greater than the threshold value, the process proceeds to step S105, and if it is less than the threshold value, the process proceeds to step S111.
- information indicating the maximum transmission rate of the X2 line between the base station apparatus X and the target base station apparatus eNB is stored in the storage unit 14 in advance.
- the control unit 13 acquires X2 line maximum transmission rate information indicating how much data can be transmitted at the maximum through the X2 line by measurement of the communication unit 12.
- the control unit 13 stores the acquired X2 line maximum transmission rate information in the storage unit 14.
- Step S105 The control unit 13 determines whether or not the storage unit 14 has only one architecture indicated by the terminal architecture information 143 of the terminal device UE. As a result of the determination, if there is only one, the process proceeds to step S106, and if there is a plurality, the process proceeds to step S107.
- the architecture used by the control unit 13 for the bearer Y of the terminal device UE is the only architecture supported by the terminal device UE. This is because both the base station apparatus X and the target base station apparatus eNB support both architectures 1A and 3C, and the maximum transmission rate of the X2 line between these base station apparatuses is equal to or greater than a predetermined threshold value. This is because the terminal device UE supports only one architecture.
- Step S107 The control unit 13 determines whether or not the simultaneous use availability information of multiple architectures included in the terminal architecture information 143 of the terminal device UE in the storage unit 14 is the simultaneous use of multiple architectures. As a result of the determination, if multiple architectures can be used simultaneously, the process proceeds to step S108, and if multiple architectures are not used simultaneously, the process proceeds to step S109.
- the control unit 13 uses the architecture used for the bearer Y of the terminal device UE as an architecture based on QoS (Quality of Service) requested by the bearer Y.
- QoS Quality of Service
- the base station apparatus X, the target base station apparatus eNB, and the terminal apparatus UE all support both architectures 1A and 3C, and the maximum transmission rate of the X2 line between these base station apparatuses is a predetermined threshold value.
- the terminal apparatus UE can use both the architectures 1A and 3C at the same time, or the terminal apparatus UE has not yet performed dual connectivity (see step S109 described later). That is, either of the architectures 1A and 3C may be used according to the QoS requested by the bearer Y.
- the architecture 1A is used, and if not, the architecture 3C is used.
- the architecture 1A is used, and if not, the architecture 3C is used.
- Step S109 The control unit 13 determines whether or not the terminal device UE has already established another bearer before the bearer Y and performs dual connectivity. As a result of the determination, if another bearer has already been established and dual connectivity is being performed, the process proceeds to step S110, and if not, the process proceeds to step S108.
- the architecture used for the bearer Y of the terminal device UE by the control unit 13 is an architecture already used by another bearer in the terminal device UE. This is because the base station apparatus X, the target base station apparatus eNB, and the terminal apparatus UE all support both architectures 1A and 3C, and the maximum transmission rate of the X2 line between these base station apparatuses is a predetermined threshold value. This is because the terminal apparatus UE cannot use both the architectures 1A and 3C at the same time, and the terminal apparatus UE has already performed dual connectivity using either architecture.
- Step S111 The control unit 13 determines whether or not the storage unit 14 indicates that the terminal architecture information 143 of the terminal device UE supports the architecture 1A. As a result of the determination, if the terminal apparatus UE supports the architecture 1A, the process proceeds to step S112. If the terminal apparatus UE does not support the architecture 1A, the process proceeds to step S117 in FIG.
- Step S112 The architecture that the control unit 13 uses for the bearer Y of the terminal device UE is assumed to be architecture 1A. This is because both the base station apparatus X and the target base station apparatus eNB support both the architectures 1A and 3C, and the maximum transmission rate of the X2 line between these base station apparatuses is less than a predetermined threshold. This is because the terminal apparatus UE supports the architecture 1A.
- Step S113 The control unit 13 has only one of the architectures indicated by the base station architecture information 142 of the target base station apparatus eNB in the storage unit 14 and the support architecture information 141 read from the storage unit 14 in Step S101. It is determined whether or not the architecture is equal. As a result of the determination, if they are equal, the process proceeds to step S114, and if they are not equal, the process proceeds to step S117.
- Step S114 The control unit 13 determines whether or not the architecture supported in common between the base station apparatus X and the target base station apparatus eNB is the architecture 1A. If it is determined that the architecture is 1A, the process proceeds to step S115. If the architecture is not 1A, the process proceeds to step S118.
- Step S115 The control unit 13 determines whether or not the storage unit 14 indicates that the terminal architecture information 143 of the terminal device UE supports the architecture 1A. As a result of the determination, if the terminal apparatus UE supports the architecture 1A, the process proceeds to step S116, and if the terminal apparatus UE does not support the architecture 1A, the process proceeds to step S117.
- the architecture used by the control unit 13 for the bearer Y of the terminal device UE is an architecture that supports the base station device X and the target base station device eNB in common. This is because there is only one architecture that is commonly supported by the base station apparatus X and the target base station apparatus eNB, and the maximum transmission rate of the X2 line between these base station apparatuses is greater than or equal to a predetermined threshold (steps described later). This is because the terminal device UE supports an architecture that is commonly supported by the base station device X and the target base station device eNB (see step S119 described later).
- Step S117 The control part 13 determines not performing dual connectivity with respect to the bearer Y of the terminal device UE. This is because there is no architecture that the base station apparatus X and the target base station apparatus eNB support in common, or there is only one architecture 3C that the base station apparatus X and the target base station apparatus eNB support in common.
- the maximum transmission rate of the X2 line between these base station apparatuses is less than a predetermined threshold (see step S118 described later), or the terminal apparatus UE supports only the base station apparatus X and the target base station apparatus eNB in common This is because one architecture is not supported (see step S119 described later).
- Step S118 The control unit 13 determines whether or not the maximum transmission rate of the X2 line between the base station apparatus X and the target base station apparatus eNB is equal to or greater than a predetermined threshold. As a result of the determination, if it is equal to or greater than the threshold value, the process proceeds to step S119, and if it is less than the threshold value, the process proceeds to step S117.
- Step S119 The control unit 13 determines whether the storage unit 14 indicates that the terminal architecture information 143 of the terminal device UE supports the architecture 3C. As a result of the determination, if the terminal apparatus UE supports the architecture 3C, the process proceeds to step S116. If the terminal apparatus UE does not support the architecture 3C, the process proceeds to step S117.
- the configuration of the base station apparatus eNB is the same as that of FIG. 1 according to the first embodiment.
- the configuration of the terminal device UE is the same as that of FIG. 2 according to the first embodiment.
- the base station apparatus eNB notifies the terminal apparatus UE of the architecture (support architecture information 141) that it supports.
- the terminal device UE stores the support architecture information notified from the base station device eNB in the storage unit 23. Then, the terminal apparatus UE determines an available architecture based on the architecture supported by the base station apparatus eNB and the architecture supported by the base station apparatus eNB (support architecture information 231). Notify the station apparatus eNB.
- FIG. 8 and FIG. 9 are flowcharts showing the procedure of the usage architecture determination method according to the third embodiment of the present invention.
- the terminal device UE is described as a terminal device X, and in the following description of FIGS. 8 and 9, the terminal device UE is referred to as a terminal device X.
- Step S ⁇ b> 201 The control unit 22 reads the support architecture information 231 of the terminal device X from the storage unit 23.
- Step S202 The control unit 22 determines whether there are a plurality of architectures indicated by the read support architecture information 231. As a result of the determination, if there are a plurality, the process proceeds to step S203, and if there is only one, the process proceeds to step S206 in FIG.
- Step S203 The control unit 22 determines whether or not there is a plurality of architectures indicated by the support architecture information (architecture information supported by the base station apparatus eNB) notified from the base station apparatus eNB to which the terminal apparatus X is connected. To do. As a result of the determination, if there are a plurality, the process proceeds to step S204, and if there is only one, the process proceeds to step S205.
- the support architecture information architecture information supported by the base station apparatus eNB
- Step S204 The control unit 22 determines usable architectures for both the architectures 1A and 3C. This is because both the terminal device X and the base station device eNB to which the terminal device X is connected support both architectures 1A and 3C.
- the control unit 22 uses the wireless communication unit 21 to transmit information indicating both the architectures 1A and 3C as usable architectures of the terminal device X to the base station device eNB to which the terminal device X is connected.
- Step S205 The control part 22 determines the architecture which can be used as the only architecture which the base station apparatus eNB of the connection destination of the terminal device X supports among the architectures 1A and 3C. This is because the terminal device X supports both the architectures 1A and 3C, and the base station device eNB to which the terminal device X is connected supports only one of the architectures 1A and 3C. is there.
- the control unit 22 uses the wireless communication unit 21 to transmit information indicating a single architecture supported by the base station apparatus eNB to which the terminal device X is connected as an architecture that can be used by the terminal apparatus X to the base station to which the terminal apparatus X is connected. It transmits to the station apparatus eNB.
- Step S206 The control unit 22 has one of the architectures indicated by the support architecture information (architecture information supported by the base station apparatus eNB) notified from the base station apparatus eNB to which the terminal apparatus X is connected; It is determined whether or not the unique architecture indicated by the support architecture information 231 read from the storage unit 23 is equal. As a result of the determination, if they are equal, the process proceeds to step S207, and if they are not equal, the process proceeds to step S208.
- the support architecture information architecture information supported by the base station apparatus eNB
- the control unit 22 determines the usable architecture as the only architecture supported by the terminal device X among the architectures 1A and 3C. This is because the terminal device X supports only one of the architectures 1A and 3C, and the base station device eNB to which the terminal device X is connected supports only one architecture supported by the terminal device X. Because.
- the control unit 22 uses the wireless communication unit 21 to transmit information indicating a single architecture supported by the terminal device X as a usable architecture of the terminal device X to the base station device eNB to which the terminal device X is connected.
- Step S208 The control unit 22 determines that the terminal device X does not perform dual connectivity with the base station device eNB to which the terminal device X is connected. This is because the terminal device X supports only one of the architectures 1A and 3C, and the base station device eNB to which the terminal device X is connected supports only one architecture supported by the terminal device X. Because it is not.
- the control unit 22 transmits information indicating that there is no usable architecture of the terminal device X to the base station device eNB to which the terminal device X is connected by the wireless communication unit 21.
- the architecture supported by the terminal apparatus UE to which the base station apparatus eNB is connected can be recognized. Thereby, the effect that it can contribute to performing dual connectivity when there are a plurality of terminal devices UE each supporting different architectures is obtained.
- the architecture can be used properly according to the characteristics of each architecture.
- the transmission rate is used as information indicating the communication quality of the X2 line, but other information may be used as information indicating the communication quality of the X2 line.
- information representing the communication quality of the X2 line for example, the delay time of the X2 line can be cited.
- information representing the communication quality of the X2 line for example, information representing the communication capability of the X2 line can be cited.
- the maximum communication quality of the X2 line is used, but other communication quality such as an average communication quality of the X2 line may be used.
- an adjacency table (Neighbour ⁇ ⁇ ⁇ ⁇ RelationbTable) may be used as a place where the base station apparatus eNB stores base station architecture information 142 of another base station apparatus eNB adjacent to itself.
- the adjacency table holds information related to the base station apparatus eNB adjacent to the base station apparatus eNB in the LTE system.
- an inquiry about terminal capability information (user equipment capability)
- other methods may be used. For example, “information indicating the correspondence status of the terminal device UE with respect to the function of the wireless communication system (Feature group indicator)” transmitted by the terminal device UE in response to an inquiry from the base station device eNB indicates an architecture supported by itself. Information or simultaneous use availability information of multiple architectures may be included and transmitted to the base station apparatus eNB.
- the LTE system is exemplified as an example of the wireless communication system, but the present invention can be similarly applied to other wireless communication systems other than the LTE system.
- the architecture 3C uses the X2 line, but another line may be used as another architecture.
- achieving the function of the base station apparatus eNB which concerns on embodiment mentioned above, or the terminal device UE is recorded on a computer-readable recording medium, and the program recorded on this recording medium is read into a computer system May be executed.
- the “computer system” may include an OS and hardware such as peripheral devices.
- “Computer-readable recording medium” refers to a flexible disk, a magneto-optical disk, a ROM, a writable nonvolatile memory such as a flash memory, a portable medium such as a DVD (Digital Versatile Disk), and a built-in computer system.
- a storage device such as a hard disk.
- the “computer-readable recording medium” means a volatile memory (for example, DRAM (Dynamic DRAM) in a computer system that becomes a server or a client when a program is transmitted through a network such as the Internet or a communication line such as a telephone line. Random Access Memory)), etc., which hold programs for a certain period of time.
- the program may be transmitted from a computer system storing the program in a storage device or the like to another computer system via a transmission medium or by a transmission wave in the transmission medium.
- the “transmission medium” for transmitting the program refers to a medium having a function of transmitting information, such as a network (communication network) such as the Internet or a communication line (communication line) such as a telephone line.
- the program may be for realizing a part of the functions described above. Furthermore, what can implement
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
本願は、2014年3月20日に、日本に出願された特願2014-059098号に基づき優先権を主張し、その内容をここに援用する。
図10は、LTEシステムの一構成例を示す概念図である。図10において、基地局装置(E-UTRAN NodeB)eNB_mは、それぞれセルCell_mを提供する。隣り合う各セルCell_mは部分的に重複して配置されている。各基地局装置eNB_mは、サービング・ゲートウェイ(Serving Gateway)と呼ばれる通信装置S-GWに接続されている。端末装置(user equipment)UEは、一つの基地局装置eNB_mに接続する。通信装置S-GWは、基地局装置eNB_mを経由して、端末装置UEとの間で通信リンクを確立する。通信装置S-GWが基地局装置eNB_mを経由して端末装置UEとの間で確立する通信リンクのことを、ここではベアラと呼ぶ。通信装置S-GWは、端末装置UEが接続先の基地局装置eNB_mを変更する際のアンカーポイント(通信経路の切り替えを実行するポイント)となる。端末装置UEが接続先の基地局装置eNB_mを変更することは、ハンドオーバ(hand over)又はハンドオフ(hand off)と呼ばれる。
図12には、「1A」と呼ばれるアーキテクチャが示される。アーキテクチャ1Aは、通信装置S-GWと端末装置UEとの間に、異なる基地局装置eNBを経由してそれぞれベアラを確立する構成である。図12において、通信装置S-GWと端末装置UEとの間には、基地局装置eNB(a)を経由してベアラBr1が確立される。また、通信装置S-GWと端末装置UEとの間には、基地局装置eNB(b)を経由してベアラBr2が確立される。このアーキテクチャ1Aでは、ベアラ単位で見てみると、通信装置S-GWと基地局装置eNBとの間、また基地局装置eNBと端末装置UEとの間は、通常の通信経路とみなすことができ、単にベアラ毎に異なった通信経路で、通信装置S-GWと端末装置UEとが通信するものである。
図13には、「3C」と呼ばれるアーキテクチャが示される。アーキテクチャ3Cは、通信装置S-GWと基地局装置eNBとの間の通信経路は一つであり、その基地局装置eNBと端末装置UEとの間では、その基地局装置eNBを経由するベアラのうち一部のベアラがその基地局装置eNBで複数に分割され、分割された一部のベアラが他の基地局装置eNBを経由して端末装置UEに至る構成である。図13において、通信装置S-GWと端末装置UEとの間には、基地局装置eNB(a)を経由するベアラBr3が確立されている。このベアラBr3は分割されていない。また、通信装置S-GWと端末装置UEとの間には、基地局装置eNB(a)を経由するベアラBr4が確立されている。このベアラBr4は、基地局装置eNB(a)でベアラBr4(a)およびベアラBr4(b)に分割される。ベアラBr4(a)は基地局装置eNB(a)からそのまま端末装置UEへ至る。一方、ベアラBr4(b)は基地局装置eNB(a)から基地局装置eNB(b)を経由して端末装置UEへ至る。基地局装置eNB(a),(b)間のトラヒックの転送は、X2回線と呼ばれる論理回線を使用して行われる。
(2)上記端末装置において、前記サポートアーキテクチャ情報は、前記第1または第2の基地局装置からの問い合わせに応じて前記端末装置から送信される端末能力の情報、又は、無線通信システムの機能に対する前記端末装置の対応状況を表す情報に追加して送信されるようにしてもよい。
(3)上記端末装置において、前記無線通信部は、前記端末装置が複数の前記アーキテクチャを同時に使用できるか否かを示す複数アーキテクチャの同時使用可否情報を前記第1または第2の基地局装置へ送信するようにしてもよい。
(4)上記端末装置において、前記サポートアーキテクチャ情報又は前記複数アーキテクチャの同時使用可否情報は、前記第1または第2の基地局装置からの問い合わせに応じて前記端末装置から送信される端末能力の情報、又は、無線通信システムの機能に対する端末装置の対応状況を表す情報に追加して送信されるようにしてもよい。
(7)上記基地局装置において、前記端末装置から受信したサポートアーキテクチャ情報と、前記基地局装置がサポートするアーキテクチャを示すサポートアーキテクチャ情報とに基づいて使用可能なアーキテクチャを決定する制御部をさらに備えてもよい。
(8)上記基地局装置において、前記無線通信部は、前記端末装置が複数の前記アーキテクチャを同時に使用できるか否かを示す複数アーキテクチャの同時使用可否情報を前記端末装置から受信してもよく、前記制御部は、前記端末装置から受信したサポートアーキテクチャ情報及び前記複数アーキテクチャの同時使用可否情報と、前記基地局装置がサポートするアーキテクチャを示すサポートアーキテクチャ情報とに基づいて使用可能なアーキテクチャを決定してもよい。
(10)本発明に係る使用アーキテクチャ決定方法は、通信装置と端末装置との間で確立される通信リンクを中継する基地局装置の使用アーキテクチャ決定方法であり、前記基地局装置が、前記通信リンクを確立する際に、一部の通信リンクを第1の基地局装置に残したまま、他の通信リンクを第2の基地局装置を経由して前記端末装置との間で確立する複数のアーキテクチャのうち、前記端末装置がサポートするアーキテクチャを示すサポートアーキテクチャ情報を前記端末装置から受信するステップと、前記基地局装置が、前記端末装置から受信したサポートアーキテクチャ情報と、前記基地局装置がサポートするアーキテクチャを示すサポートアーキテクチャ情報とに基づいて使用可能なアーキテクチャを決定するステップとを含む。
(12)本発明に係るコンピュータプログラムは、通信装置と端末装置との間で確立される通信リンクを中継する基地局装置のコンピュータに、前記通信リンクを確立する際に、一部の通信リンクを第1の基地局装置に残したまま、他の通信リンクを第2の基地局装置を経由して前記端末装置との間で確立する複数のアーキテクチャのうち、前記端末装置がサポートするアーキテクチャを示すサポートアーキテクチャ情報を前記端末装置から受信するステップと、前記端末装置から受信したサポートアーキテクチャ情報と、前記基地局装置がサポートするアーキテクチャを示すサポートアーキテクチャ情報とに基づいて使用可能なアーキテクチャを決定するステップとを実行させる。
はじめに本発明に係る一実施形態として第1実施形態を説明する。
図1は、本発明の一実施形態に係る基地局装置eNBの構成を示すブロック図である。
図1において、基地局装置eNBは、無線通信部11、通信部12、制御部13及び記憶部14を備える。無線通信部11、通信部12、制御部13及び記憶部14は相互にデータを送受できるように接続されている。無線通信部11は端末装置UEと無線通信する。
通信部12は、バックボーンネットワークを介して他の装置と通信する。通信部12は、例えば通信装置S-GWと通信する。制御部13は基地局装置eNBに係る動作の制御を行う。記憶部14はデータを格納する。
入力部24はデータの入力を行う。出力部25はデータの出力を行う。入力部24として、例えば、キーボード、テンキー、マウス等の入力デバイス、音声を入力するマイクロホン、近距離無線通信の受信デバイスなどが挙げられる。出力部25として、例えば、液晶表示装置等の表示デバイス、音声を出力するスピーカ、近距離無線通信の送信デバイスなどが挙げられる。また、入力デバイスと表示デバイスの両方の機能を有するタッチパネルを備えてもよい。端末装置UEとして、例えば、スマートフォンやタブレット型のコンピュータ(タブレットPC)等の携帯通信端末装置が挙げられる。
次に、本発明に係る一実施形態として第2実施形態を説明する。基地局装置eNBの構成は、第1実施形態に係る図1と同様である。端末装置UEの構成は、第1実施形態に係る図2と同様である。
これは、基地局装置X、ターゲットの基地局装置eNB及び端末装置UEの全てがアーキテクチャ1A,3Cの両方をサポートしており、且つそれら基地局装置間のX2回線の最大伝送レートが所定の閾値以上であり、且つ、端末装置UEがアーキテクチャ1Aと3Cの両方を同時には使用できず、且つ既に端末装置UEがいずれかのアーキテクチャでデュアル・コネクティビティを行っているからである。
次に、本発明に係る一実施形態として第3実施形態を説明する。基地局装置eNBの構成は、第1実施形態に係る図1と同様である。端末装置UEの構成は、第1実施形態に係る図2と同様である。
また、「コンピュータ読み取り可能な記録媒体」とは、フレキシブルディスク、光磁気ディスク、ROM、フラッシュメモリ等の書き込み可能な不揮発性メモリ、DVD(Digital Versatile Disk)等の可搬媒体、コンピュータシステムに内蔵されるハードディスク等の記憶装置のことをいう。
また、上記プログラムは、このプログラムを記憶装置等に格納したコンピュータシステムから、伝送媒体を介して、あるいは、伝送媒体中の伝送波により他のコンピュータシステムに伝送されてもよい。ここで、プログラムを伝送する「伝送媒体」は、インターネット等のネットワーク(通信網)や電話回線等の通信回線(通信線)のように情報を伝送する機能を有する媒体のことをいう。
また、上記プログラムは、前述した機能の一部を実現するためのものであっても良い。
さらに、前述した機能をコンピュータシステムにすでに記録されているプログラムとの組み合わせで実現できるもの、いわゆる差分ファイル(差分プログラム)であっても良い。
12…通信部
13,22…制御部
14,23…記憶部
141…サポートアーキテクチャ情報
142…基地局アーキテクチャ情報
143…端末アーキテクチャ情報
24…入力部
25…出力部
231…サポートアーキテクチャ情報
eNB…基地局装置
S-GW…通信装置
UE…端末装置
Claims (12)
- 基地局装置を経由して通信装置との間で通信リンクを確立する端末装置であり、
前記通信リンクを確立する際に、一部の通信リンクを第1の基地局装置に残したまま、他の通信リンクを第2の基地局装置を経由して前記端末装置との間で確立する複数のアーキテクチャのうち、前記端末装置がサポートするアーキテクチャを示すサポートアーキテクチャ情報を、前記第1または第2の基地局装置へ送信する無線通信部を備える端末装置。 - 前記サポートアーキテクチャ情報は、前記第1または第2の基地局装置からの問い合わせに応じて前記端末装置から送信される端末能力の情報、又は、無線通信システムの機能に対する前記端末装置の対応状況を表す情報に追加して送信される請求項1に記載の端末装置。
- 前記無線通信部は、前記端末装置が複数の前記アーキテクチャを同時に使用できるか否かを示す複数アーキテクチャの同時使用可否情報を前記第1または第2の基地局装置へ送信することを特徴とする請求項1に記載の端末装置。
- 前記サポートアーキテクチャ情報又は前記複数アーキテクチャの同時使用可否情報は、前記第1または第2の基地局装置からの問い合わせに応じて前記端末装置から送信される端末能力の情報、又は、無線通信システムの機能に対する端末装置の対応状況を表す情報に追加して送信される請求項3に記載の端末装置。
- 基地局装置を経由して通信装置との間で通信リンクを確立する端末装置であり、
前記通信リンクを確立する際に、一部の通信リンクを第1の基地局装置に残したまま、他の通信リンクを第2の基地局装置を経由して前記端末装置との間で確立する複数のアーキテクチャのうち、前記端末装置がサポートするアーキテクチャを示す情報と、前記第1または第2の基地局装置がサポートするアーキテクチャを示す情報とに基づいて使用可能なアーキテクチャを決定する制御部と、
前記端末装置が接続する前記第1または第2の基地局装置がサポートするアーキテクチャを示すサポートアーキテクチャ情報を前記第1または第2の基地局装置から受信し、前記第1または第2の基地局装置から受信したサポートアーキテクチャ情報を用いて前記制御部により決定された前記使用可能なアーキテクチャを示す情報を前記第1または第2の基地局装置へ送信する無線通信部と、
を備える端末装置。 - 通信装置と端末装置との間で確立される通信リンクを中継する基地局装置であり、
前記通信リンクを確立する際に、一部の通信リンクを第1の基地局装置に残したまま、他の通信リンクを第2の基地局装置を経由して前記端末装置との間で確立する複数のアーキテクチャのうち、前記端末装置がサポートするアーキテクチャを示すサポートアーキテクチャ情報を前記端末装置から受信する無線通信部 を備える基地局装置。 - 前記端末装置から受信したサポートアーキテクチャ情報と、前記基地局装置がサポートするアーキテクチャを示すサポートアーキテクチャ情報とに基づいて使用可能なアーキテクチャを決定する制御部をさらに備える請求項6に記載の基地局装置。
- 前記無線通信部は、前記端末装置が複数の前記アーキテクチャを同時に使用できるか否かを示す複数アーキテクチャの同時使用可否情報を前記端末装置から受信し、
前記制御部は、前記端末装置から受信したサポートアーキテクチャ情報及び前記複数アーキテクチャの同時使用可否情報と、前記基地局装置がサポートするアーキテクチャを示すサポートアーキテクチャ情報とに基づいて使用可能なアーキテクチャを決定する、
請求項7に記載の基地局装置。 - 基地局装置を経由して通信装置との間で通信リンクを確立する端末装置の使用アーキテクチャ決定方法であり、
前記端末装置が、前記通信リンクを確立する際に、一部の通信リンクを第1の基地局装置に残したまま、他の通信リンクを第2の基地局装置を経由して前記端末装置との間で確立する複数のアーキテクチャのうち、前記端末装置がサポートするアーキテクチャを示す情報と、前記第1または第2の基地局装置がサポートするアーキテクチャを示す情報とに基づいて使用可能なアーキテクチャを決定する決定ステップと、
前記端末装置が、前記端末装置が接続する前記第1または第2の基地局装置がサポートするアーキテクチャを示すサポートアーキテクチャ情報を前記第1または第2の基地局装置から受信し、前記第1または第2の基地局装置から受信したサポートアーキテクチャ情報を用いて前記決定ステップにより決定された前記使用可能なアーキテクチャを示す情報を前記第1または第2の基地局装置へ送信するステップと、
を含む使用アーキテクチャ決定方法。 - 通信装置と端末装置との間で確立される通信リンクを中継する基地局装置の使用アーキテクチャ決定方法であり、
前記基地局装置が、前記通信リンクを確立する際に、一部の通信リンクを第1の基地局装置に残したまま、他の通信リンクを第2の基地局装置を経由して前記端末装置との間で確立する複数のアーキテクチャのうち、前記端末装置がサポートするアーキテクチャを示すサポートアーキテクチャ情報を前記端末装置から受信するステップと、
前記基地局装置が、前記端末装置から受信したサポートアーキテクチャ情報と、前記基地局装置がサポートするアーキテクチャを示すサポートアーキテクチャ情報とに基づいて使用可能なアーキテクチャを決定するステップと、
を含む使用アーキテクチャ決定方法。 - 基地局装置を経由して通信装置との間で通信リンクを確立する端末装置のコンピュータに、
前記通信リンクを確立する際に、一部の通信リンクを第1の基地局装置に残したまま、他の通信リンクを第2の基地局装置を経由して前記端末装置との間で確立する複数のアーキテクチャのうち、前記端末装置がサポートするアーキテクチャを示す情報と、前記第1または第2の基地局装置がサポートするアーキテクチャを示す情報とに基づいて使用可能なアーキテクチャを決定する決定ステップと、
前記端末装置が接続する前記第1または第2の基地局装置がサポートするアーキテクチャを示すサポートアーキテクチャ情報を前記第1または第2の基地局装置から受信し、前記第1または第2の基地局装置から受信したサポートアーキテクチャ情報を用いて前記決定ステップにより決定された前記使用可能なアーキテクチャを示す情報を前記第1または第2の基地局装置へ送信するステップと、
を実行させるためのコンピュータプログラム。 - 通信装置と端末装置との間で確立される通信リンクを中継する基地局装置のコンピュータに、
前記通信リンクを確立する際に、一部の通信リンクを第1の基地局装置に残したまま、他の通信リンクを第2の基地局装置を経由して前記端末装置との間で確立する複数のアーキテクチャのうち、前記端末装置がサポートするアーキテクチャを示すサポートアーキテクチャ情報を前記端末装置から受信するステップと、
前記端末装置から受信したサポートアーキテクチャ情報と、前記基地局装置がサポートするアーキテクチャを示すサポートアーキテクチャ情報とに基づいて使用可能なアーキテクチャを決定するステップと、
を実行させるためのコンピュータプログラム。
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP15764224.0A EP3122081B1 (en) | 2014-03-20 | 2015-03-12 | Terminal device, base station device, usable architecture determination method, and computer program |
| US15/125,729 US10405359B2 (en) | 2014-03-20 | 2015-03-12 | Terminal device, base station device, and usable architecture determination method |
| CN202010165417.9A CN111356127B (zh) | 2014-03-20 | 2015-03-12 | 终端装置、基站装置以及使用架构确定方法 |
| CN201580014166.1A CN106465098B (zh) | 2014-03-20 | 2015-03-12 | 终端装置、基站装置以及使用架构确定方法 |
| CN202010165613.6A CN111356129B (zh) | 2014-03-20 | 2015-03-12 | 终端装置、基站装置以及使用架构确定方法 |
| US16/516,750 US10945297B2 (en) | 2014-03-20 | 2019-07-19 | Terminal device, base station device, and usable architecture determination method |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-059098 | 2014-03-20 | ||
| JP2014059098A JP6254467B2 (ja) | 2014-03-20 | 2014-03-20 | 端末装置、基地局装置、使用アーキテクチャ決定方法、及びコンピュータプログラム |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US15/125,729 A-371-Of-International US10405359B2 (en) | 2014-03-20 | 2015-03-12 | Terminal device, base station device, and usable architecture determination method |
| US16/516,750 Continuation US10945297B2 (en) | 2014-03-20 | 2019-07-19 | Terminal device, base station device, and usable architecture determination method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2015141556A1 true WO2015141556A1 (ja) | 2015-09-24 |
Family
ID=54144526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2015/057339 Ceased WO2015141556A1 (ja) | 2014-03-20 | 2015-03-12 | 端末装置、基地局装置、使用アーキテクチャ決定方法、及びコンピュータプログラム |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US10405359B2 (ja) |
| EP (1) | EP3122081B1 (ja) |
| JP (1) | JP6254467B2 (ja) |
| CN (4) | CN111356128A (ja) |
| WO (1) | WO2015141556A1 (ja) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9035763B2 (en) | 2013-03-14 | 2015-05-19 | Comcast Cable Communications, Llc | Processing alarm signals |
| JP6254467B2 (ja) | 2014-03-20 | 2017-12-27 | Kddi株式会社 | 端末装置、基地局装置、使用アーキテクチャ決定方法、及びコンピュータプログラム |
| JP6144369B1 (ja) * | 2016-01-07 | 2017-06-07 | 株式会社Nttドコモ | 基地局、及びコンテクスト情報保持方法 |
| JP2017204741A (ja) * | 2016-05-11 | 2017-11-16 | ソニー株式会社 | 端末装置、基地局装置、通信方法、及びプログラム |
| US10368253B2 (en) * | 2017-07-25 | 2019-07-30 | At&T Intellectual Property I, L.P. | System and method for managing dual connectivity with dynamic anchor cell selection |
| US10855814B2 (en) | 2017-10-20 | 2020-12-01 | Comcast Cable Communications, Llc | Non-access stratum capability information |
| JP6516195B2 (ja) * | 2017-11-30 | 2019-05-22 | Kddi株式会社 | 端末装置、基地局装置、使用アーキテクチャ決定方法、及びコンピュータプログラム |
| JP7752147B2 (ja) * | 2023-02-27 | 2025-10-09 | Kddi株式会社 | ユーザ装置、基地局、およびそれらの制御方法、プログラム |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014013919A1 (ja) * | 2012-07-20 | 2014-01-23 | 株式会社エヌ・ティ・ティ・ドコモ | 移動通信方法 |
| WO2014031989A1 (en) * | 2012-08-23 | 2014-02-27 | Interdigital Patent Holdings, Inc. | Operating with multiple schedulers in a wireless system |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7899495B2 (en) * | 2006-07-14 | 2011-03-01 | Qualcomm Incorporated | Methods and apparatus for supporting multiple connections |
| CN101465774A (zh) | 2007-12-19 | 2009-06-24 | 覃征 | 一种支持移动环境下的协同群组构建的系统及方法 |
| US8520559B2 (en) * | 2008-04-02 | 2013-08-27 | Alcatel Lucent | Method for routing via access terminals |
| JP5488601B2 (ja) * | 2009-07-17 | 2014-05-14 | 富士通株式会社 | 端末装置、通信システムおよび通信方法 |
| EP2485509B1 (en) * | 2009-10-01 | 2017-06-21 | Nec Corporation | Mobile communication system, base station apparatus, mobile station apparatus, control method, and computer readable medium |
| US9203575B2 (en) * | 2010-11-05 | 2015-12-01 | Hitachi, Ltd. | Wireless communication system, base station, and wireless communication method |
| KR101479896B1 (ko) * | 2011-06-06 | 2015-01-06 | 후지쯔 가부시끼가이샤 | 기지국 |
| EP2774413A1 (en) * | 2011-11-04 | 2014-09-10 | Qualcomm Incorporated | Methods and apparatus for updating the ue capability in an e-utran |
| US9450667B2 (en) * | 2012-03-19 | 2016-09-20 | Industrial Technology Research Institute | Method for device to device communication and base station and user equipment using the same |
| TWI626855B (zh) * | 2012-04-27 | 2018-06-11 | 內數位專利控股公司 | 最佳化鄰近資料路徑設置方法及裝置 |
| JP6043549B2 (ja) * | 2012-08-31 | 2016-12-14 | 株式会社Nttドコモ | 移動局 |
| JP2015035712A (ja) | 2013-08-08 | 2015-02-19 | Kddi株式会社 | 無線基地局装置、無線端末装置、無線通信システム、端末間直接通信制御方法およびコンピュータプログラム |
| US9497673B2 (en) * | 2013-11-01 | 2016-11-15 | Blackberry Limited | Method and apparatus to enable multiple wireless connections |
| US9961698B2 (en) * | 2013-11-01 | 2018-05-01 | Telefonaktiebolaget Lm Ericsson (Publ) | Radio base station, wireless terminal, methods performed therein, computer program, and computer-readable storage medium |
| US10206147B2 (en) * | 2013-12-19 | 2019-02-12 | Qualcomm Incorporated | Serving gateway relocation and secondary node eligibility for dual connectivity |
| JP6151801B2 (ja) * | 2013-12-24 | 2017-06-21 | 京セラ株式会社 | マスタ基地局 |
| US20150223095A1 (en) * | 2014-01-31 | 2015-08-06 | Telefonaktiebolaget L M Ericsson (Publ) | Method for Configuring a Dual Connectivity User Equipment |
| JP6254467B2 (ja) | 2014-03-20 | 2017-12-27 | Kddi株式会社 | 端末装置、基地局装置、使用アーキテクチャ決定方法、及びコンピュータプログラム |
-
2014
- 2014-03-20 JP JP2014059098A patent/JP6254467B2/ja active Active
-
2015
- 2015-03-12 EP EP15764224.0A patent/EP3122081B1/en active Active
- 2015-03-12 WO PCT/JP2015/057339 patent/WO2015141556A1/ja not_active Ceased
- 2015-03-12 CN CN202010165605.1A patent/CN111356128A/zh active Pending
- 2015-03-12 CN CN202010165613.6A patent/CN111356129B/zh active Active
- 2015-03-12 CN CN202010165417.9A patent/CN111356127B/zh active Active
- 2015-03-12 CN CN201580014166.1A patent/CN106465098B/zh active Active
- 2015-03-12 US US15/125,729 patent/US10405359B2/en active Active
-
2019
- 2019-07-19 US US16/516,750 patent/US10945297B2/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014013919A1 (ja) * | 2012-07-20 | 2014-01-23 | 株式会社エヌ・ティ・ティ・ドコモ | 移動通信方法 |
| WO2014031989A1 (en) * | 2012-08-23 | 2014-02-27 | Interdigital Patent Holdings, Inc. | Operating with multiple schedulers in a wireless system |
Non-Patent Citations (3)
| Title |
|---|
| KDDI CORPORATION: "Coexistence scenarios of Dual connectivity alternatives 1A and 3C", 3GPP TSG RAN WG2 MEETING #85, R2-140419, February 2014 (2014-02-01), XP050737619 * |
| SAMSUNG: "UE capability on 1A and 3C", 3GPP TSG-RAN WG2 MEETING #85, R2-140235, February 2014 (2014-02-01), pages 1, XP050737460 * |
| See also references of EP3122081A4 * |
Also Published As
| Publication number | Publication date |
|---|---|
| US10945297B2 (en) | 2021-03-09 |
| CN106465098B (zh) | 2020-04-10 |
| CN111356127A (zh) | 2020-06-30 |
| US20170019936A1 (en) | 2017-01-19 |
| US20190342927A1 (en) | 2019-11-07 |
| EP3122081A1 (en) | 2017-01-25 |
| CN106465098A (zh) | 2017-02-22 |
| EP3122081B1 (en) | 2025-09-17 |
| JP6254467B2 (ja) | 2017-12-27 |
| JP2015185948A (ja) | 2015-10-22 |
| US10405359B2 (en) | 2019-09-03 |
| CN111356128A (zh) | 2020-06-30 |
| CN111356127B (zh) | 2023-05-16 |
| EP3122081A4 (en) | 2017-11-08 |
| CN111356129B (zh) | 2023-03-10 |
| CN111356129A (zh) | 2020-06-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6254467B2 (ja) | 端末装置、基地局装置、使用アーキテクチャ決定方法、及びコンピュータプログラム | |
| US11777855B2 (en) | Policy based dual connectivity traffic steering | |
| CN103477698B (zh) | 移动通信系统、中继站、基站及其控制方法 | |
| JP6299605B2 (ja) | 無線通信システム、基地局、移動局、通信制御方法、及びプログラム | |
| CN111083738B (zh) | 一种负载均衡方法及设备 | |
| JP5437422B2 (ja) | 無線基地局及び移動局 | |
| JPWO2014112001A1 (ja) | 無線通信システム、基地局、移動局、通信制御方法、及びプログラム | |
| JP2014505446A (ja) | アップリンクメッセージにおける情報の優先順位付け方法,装置およびコンピュータプログラム | |
| WO2013191084A1 (ja) | 無線通信システム、無線通信方法、移動局装置、基地局装置、プログラム、および記憶媒体 | |
| JP5324614B2 (ja) | 移動通信方法、コアネットワーク装置、無線基地局及び移動局 | |
| JP2015185937A (ja) | 基地局装置、維持管理装置、無線通信システム、アーキテクチャ情報取得方法、使用アーキテクチャ決定方法、及びコンピュータプログラム | |
| JP6468667B2 (ja) | 端末装置、基地局装置、使用アーキテクチャ決定方法、及びコンピュータプログラム | |
| JP6468668B2 (ja) | 端末装置、基地局装置、使用アーキテクチャ決定方法、及びコンピュータプログラム | |
| JP6207441B2 (ja) | 基地局装置、アーキテクチャ情報取得方法、及びコンピュータプログラム | |
| JP6516195B2 (ja) | 端末装置、基地局装置、使用アーキテクチャ決定方法、及びコンピュータプログラム | |
| JP6023530B2 (ja) | 移動通信方法 | |
| JP2014138386A (ja) | 移動通信システム | |
| JP6207442B2 (ja) | 基地局装置、使用アーキテクチャ決定方法、及びコンピュータプログラム | |
| JP2015177509A (ja) | 基地局装置、通信制御装置、通信システムおよび通信方法 | |
| JP2019068193A (ja) | 無線通信システム及びハンドオーバ方法 | |
| WO2014050755A1 (ja) | 移動通信方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 15764224 Country of ref document: EP Kind code of ref document: A1 |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 15125729 Country of ref document: US |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| REEP | Request for entry into the european phase |
Ref document number: 2015764224 Country of ref document: EP |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 2015764224 Country of ref document: EP |
|
| WWG | Wipo information: grant in national office |
Ref document number: 2015764224 Country of ref document: EP |