Patents by Inventor Srisakul Thakolsri
Srisakul Thakolsri has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20200178166Abstract: An object is that, in a mobile communication, a communication terminal that performs a non-cellular communication can access a service network that provides a service. A network access method to be performed by a communication system 8 forming a core network of the mobile communication and to cause a UE 7 performing the non-cellular communication to access a slice 5 providing the service comprises: an acquisition step of acquiring from the UE 7, terminal identification information identifying the UE 7; and an access step of referring to correspondence information correlating the UE 7 and the slice 5, and causing the UE 7 to access the slice 5 correlated with the UE 7 identified by the terminal identification information acquired in the acquisition step.Type: ApplicationFiled: July 11, 2018Publication date: June 4, 2020Applicant: NTT DOCOMO, INC.Inventors: Takuya Shimojou, Srisakul Thakolsri, Malla Reddy Sama
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Publication number: 20200178139Abstract: A communication system is disclosed in which communication control is performed for a slice which is a virtual network accessible by a mobile terminal from any of a plurality of mobile communication networks with different communication schemes, the communication system including a communication control device arranged to perform communication connection control for the slice in each of the plurality of mobile communication networks, wherein the communication control device arranged in one mobile communication network among the plurality of mobile communication networks includes a search unit that searches for another communication control device arranged in another mobile communication network if an instruction to switch the mobile communication network with which the mobile terminal has a communication connection is received; and a communication unit that takes over communication control information for the communication connection control with the other communication control device.Type: ApplicationFiled: June 19, 2018Publication date: June 4, 2020Applicant: NTT DOCOMO, INC.Inventors: Takuya Shimojou, Malla Reddy Sama, Srisakul Thakolsri
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Patent number: 10652813Abstract: A slice management system (1) is a slice management system managing slices that are virtual networks generated on a network infrastructure, comprises a memory storing a priority list in which slices of connection destination candidates of a UE (2) are aligned in order of priority levels and, in a case in which a connection request for a slice from the UE (2) is acquired, determines a slice to which UE (2) is to be connected on the basis of the priority list stored in the memory.Type: GrantFiled: March 29, 2017Date of Patent: May 12, 2020Assignee: NTT DOCOMO, INC.Inventors: Takuya Shimojou, Tomoki Shibahara, Atsushi Minokuchi, Masayoshi Shimizu, Ashiq Khan, Kazuaki Obana, Srisakul Thakolsri, Malla Reddy Sama, Wolfgang Kiess, Joan Triay Marques
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Publication number: 20200145833Abstract: According to one embodiment, a method for associating network functions with a network slice instance of a mobile radio communication network is described comprising an Network Slice Management Function, NSMF, creating an identifier for a network slice instance, NSI, for Operations Administration and Management, OAM, wherein the mobile radio communication network comprises a core network and an OAM system, wherein the OAM system comprises at least the NSMF which has interfaces to network functions in the core network, wherein the network functions provide a communication service to a mobile terminal and wherein the core network further comprises a Network Repository Function, NRF, that maintains an association of network functions and network slice instances of the mobile radio communication network; and the NSMF or the NRF notifying one or more network functions about their association with the network slice instance.Type: ApplicationFiled: May 4, 2018Publication date: May 7, 2020Applicant: NTT DOCOMO, INC.Inventors: Srisakul Thakolsri, Malla Reddy Sama, Atsushi Minokuchi
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Publication number: 20200113001Abstract: A mobile communication system is a mobile communication system that controls a connection with a slice which is a virtual network generated on a network infrastructure, and includes a request receiving unit 12 that receives a request for a connection with a slice of a control target of an AMF 100 from a UE 140 used by a user and a selection information transmitting unit 14 that controls, in response to the reception of the request, the connection of the UE 140 with the slice, acquires selection information for selecting a slice of a control target of another AMF 100x different from the AMF 100, and transmits the selection information to the terminal.Type: ApplicationFiled: March 9, 2018Publication date: April 9, 2020Applicant: NTT DOCOMO, INC.Inventors: Takuya Shimojou, Shigeru Iwashina, Ashiq Khan, Masayoshi Shimizu, Atsushi Minokuchi, Malla Reddy Sama, Srisakul Thakolsri, Irfan Ali
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Publication number: 20200053564Abstract: According to one embodiment, a method for establishing a connection of a mobile terminal to a mobile radio communication network is described comprising a first common control plane function of a mobile radio communication network receiving a connection request from a mobile terminal; the first common control plane function authenticating the mobile terminal including generating an authentication context of the mobile terminal; the first common control plane function forwarding the connection request and transmitting the authentication context of the mobile terminal to a second common control plane function of the mobile radio communication network and the second common control plane function connecting the mobile terminal to the mobile radio communication network.Type: ApplicationFiled: September 27, 2017Publication date: February 13, 2020Applicant: NTT DOCOMO, INC.Inventors: Srisakul Thakolsri, Malla Reddy Sama, Irfan Ali, Atsushi Minokuchi, Takuya Shimojo, Alf Zugenmaier
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Publication number: 20200045624Abstract: An NSSF (69) includes: a selection unit selecting a slice corresponding to a service related to a request from a terminal (10) and a target processing server corresponding to the slice based on slice correspondence information including information where a slice, a processing server corresponding to the slice, and a service used by a terminal are associated with one another; and a notification unit notifying an AMF (30) of selection result including information regarding the slice and target processing server. The AMF includes: a determination processing unit determining whether the AMF is a target processing server based on information on the target processing server in the selection result information, and performing processing for a service when the AMF is the target processing server, or transferring a request for processing for a service to the target processing server when the AMF is not the target processing server.Type: ApplicationFiled: April 27, 2018Publication date: February 6, 2020Applicant: NTT DOCOMO, Inc.Inventors: Takuya Shimojou, Atsushi Minokuchi, Ashiq Khan, Srisakul Thakolsri, Malla Reddy Sama, Joan Triay Marques, Irfan Ali
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Publication number: 20200029374Abstract: A mobile communication system 8 is a mobile communication system comprising a core network comprising a RAN 3 (a radio access network), an SM 2 (a session management function) that manages a session between a UE 4 (a mobile communication terminal) and an MM 1 (a mobility management function) that manages mobility of the UE 4, and the SM 2 comprises a communication path establishment unit 22 that establishes a communication path enabling communication between the SM 2 and a node of the RAN 3 without passing through the MM 1. The communication path establishment unit 22 may establish a communication path when the communication path establishment unit 22 receives the session construction request at the time of attachment of the UE 4 from the MM 1.Type: ApplicationFiled: September 21, 2017Publication date: January 23, 2020Applicant: NTT DOCOMO, INC.Inventors: Takuya Shimojou, Masayoshi Shimizu, Atsushi Minokuchi, Shigeru Iwashina, Srisakul Thakolsri, Malla Reddy Sama, Irfan Ali
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Patent number: 10492134Abstract: In a communications system (1A), a communication service which is utilized by UE (10) is specified from among a first communication service and a second communication service, an address of a SGW (80) corresponding to a service type of the first communication service is retrieved when the specified communication service is the first communication service with reference to information in which the specified communication service and the address of the SGW (80) that transmits and receives data for utilizing the communication service are correlated with each other, and a SGW (80) other than a first communication control device is retrieved when the specified communication service is the second communication service.Type: GrantFiled: September 13, 2016Date of Patent: November 26, 2019Assignee: NTT DOCOMO, INC.Inventors: Takuya Shimojou, Masayoshi Shimizu, Motoshi Tamura, Ashiq Khan, Srisakul Thakolsri, Malla Reddy Sama, Wolfgang Kiess, Sergio Beker
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Publication number: 20190313467Abstract: A radio communication system includes user equipment, a call control apparatus, and a plurality of communication apparatuses, wherein each communication apparatus belongs to one of a plurality of groups, wherein the user equipment transmits, to the call control apparatus, a first access request signal including a group specifying information for specifying one group and a communication destination identifier, wherein the call control apparatus transmits, to the communication apparatus belonging to the one group specified by the group specifying information, a second access request signal including the communication destination identifier, and wherein the communication apparatus establishes a communication path between a communication destination indicated by the communication destination identifier included in the second access request signal and the user equipment.Type: ApplicationFiled: July 4, 2017Publication date: October 10, 2019Applicant: NTT Docomo, Inc.Inventors: Daisuke FUJISHIMA, Ashiq KHAN, Srisakul THAKOLSRI, Malla Reddy SAMA, Irfan ALI
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Patent number: 10390287Abstract: A restriction control apparatus configured to perform restriction control of communication of a user apparatus in a mobile communication system includes an information obtaining unit configured to obtain, from a user information management apparatus in the mobile communication system, group identification information indicating a group to which the user apparatus belongs, and a restriction determination unit configured, when receiving a communication request from the user apparatus, to determine whether the group to which the user apparatus belongs is a control target or not based on the group identification information and group identification information of a control target determined by the restriction control apparatus.Type: GrantFiled: August 29, 2018Date of Patent: August 20, 2019Assignee: NTT DOCOMO, INC.Inventors: Masaki Nishimura, Keisuke Suzuki, Reika Higa, Keisuke Sasada, Dirk Staehle, Srisakul Thakolsri
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Publication number: 20190230734Abstract: In a communication system in which a plurality of bearers are set up between UE and one or more PGWs, a PGW measures an idle time for each bearer and determines whether or not the measured idle time has reached an idle timer threshold value which is determined in advance for each of the plurality of bearers (Step 1). Then, when it is determined that the idle time for one bearer, for example, bearer 2, has reached the idle timer threshold value (Step 2), a PGW2 requests an MME to release bearer 2 via an SGW2 (Steps 3 and 4), and the MME performs a process of releasing bearer 2 in response to the request (Step 5 and the like).Type: ApplicationFiled: September 20, 2017Publication date: July 25, 2019Applicant: NTT DOCOMO, INC.Inventors: Takuya Shimojou, Masayoshi Shimizu, Atsushi Minokuchi, Shigeru Iwashina, Srisakul Thakolsri, Malla Reddy Sama
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Publication number: 20190182733Abstract: A common C-Plane control node includes a change request acquiring unit that acquires a change request relating to changing of a communication path relating to a UE, a determination unit that determines whether or not the UE has set up the communication path in each of control nodes of a plurality of slices using information included in the change request acquired by the change request acquiring unit, and a communication processing unit that performs a process relating to changing of a communication path while forming a state in which the communication path before change and the communication path after change coexist for each of a plurality of communication paths in a case in which the determination unit determines that the UE has set up the communication path in each of the plurality of slices.Type: ApplicationFiled: June 2, 2017Publication date: June 13, 2019Applicant: NTT DOCOMO, INC.Inventors: Takuya Shimojou, Masayoshi Shimizu, Atsushi Minokuchi, Shigeru Iwashina, Malla Reddy Sama, Srisakul Thakolsri, Wolfgang Kiess, Riccardo Guerzoni
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Patent number: 10278102Abstract: A correspondence information storage 32 acquires correspondence information in which an eNB 20, an SGW-C 60, and an SGW-U 70 are associated with each other in advance, and a connection controller 31 receives a handover request from the eNB 20 and identifies a target eNB 20 and a source eNB 20. A connection changer 33 identifies the SGW-C 60 and the SGW-U 70 associated with the target eNB 20 and identifies the SGW-C 60 and the SGW-U 70 associated with the source eNB 20, with reference to the correspondence information. The connection changer 33 determines whether or not the SGW-C 60 and the SGW-U 70 are to be changed on the basis of the identified result, and controls change requests for at least one of the SGW-C 60 and the SGW-U 70 on the basis of a result of the determination.Type: GrantFiled: January 25, 2017Date of Patent: April 30, 2019Assignee: NTT DOCOMO, INC.Inventors: Takuya Shimojou, Masayoshi Shimizu, Tomoki Shibahara, Atsushi Minokuchi, Srisakul Thakolsri, Malla Reddy Sama, Wolfgang Kiess
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Publication number: 20190059036Abstract: A slice management system is a system managing a slice that is a virtual network generated on a network infrastructure and includes a DNS storing slice information relating to a slice to which a UE can be connected for each area and determines whether or not the UE can, in a moving destination area that is a destination of movement of the UE between areas, be connected to a slice to which the UE was connected in a moving source area by referring to the DNS. In a case in which it is determined that the connection cannot be made, the slice management system generates the slice in the moving destination area such that the UE can be connected to the slice in the moving destination area.Type: ApplicationFiled: March 29, 2017Publication date: February 21, 2019Applicant: NTT DOCOMO, INC.Inventors: Takuya SHIMOJOU, Tomoki SHIBAHARA, Atsushi MINOKUCHI, Masayoshi SHIMIZU, Ashiq KHAN, Kazuaki OBANA, Srisakul THAKOLSRI, Malla Reddy SAMA, Wolfgang KIESS, Joan TRIAY MARQUES
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Publication number: 20190053146Abstract: A slice management system (1) is a slice management system managing slices that are virtual networks generated on a network infrastructure, comprises a memory storing a priority list in which slices of connection destination candidates of a UE (2) are aligned in order of priority levels and, in a case in which a connection request for a slice from the UE (2) is acquired, determines a slice to which UE (2) is to be connected on the basis of the priority list stored in the memory.Type: ApplicationFiled: March 29, 2017Publication date: February 14, 2019Applicant: NTT DOCOMO,INC.Inventors: Takuya SHIMOJOU, Tomoki SHIBAHARA, Atsushi MINOKUCHI, Masayoshi SHIMIZU, Ashiq KHAN, Kazuaki OBANA, Srisakul THAKOLSRI, Malla Reddy SAMA, Wolfgang KIESS, Joan Triay MARQUES
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Publication number: 20180376404Abstract: A restriction control apparatus configured to perform restriction control of communication of a user apparatus in a mobile communication system includes an information obtaining unit configured to obtain, from a user information management apparatus in the mobile communication system, group identification information indicating a group to which the user apparatus belongs, and a restriction determination unit configured, when receiving a communication request from the user apparatus, to determine whether the group to which the user apparatus belongs is a control target or not based on the group identification information and group identification information of a control target determined by the restriction control apparatus.Type: ApplicationFiled: August 29, 2018Publication date: December 27, 2018Applicant: NTT DOCOMO, INC.Inventors: Masaki Nishimura, Keisuke Suzuki, Reika Higa, Keisuke Sasada, Dirk Staehle, Srisakul Thakolsri
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Publication number: 20180227841Abstract: In a communications system (1A), a communication service which is utilized by UE (10) is specified from among a first communication service and a second communication service, an address of a SGW (80) corresponding to a service type of the first communication service is retrieved when the specified communication service is the first communication service with reference to information in which the specified communication service and the address of the SGW (80) that transmits and receives data for utilizing the communication service are correlated with each other, and a SGW (80) other than a first communication control device is retrieved when the specified communication service is the second communication service.Type: ApplicationFiled: September 13, 2016Publication date: August 9, 2018Applicant: NTT DOCOMO, INC.Inventors: Takuya SHIMOJOU, Masayoshi SHIMIZU, Motoshi TAMURA, Ashiq KHAN, Srisakul THAKOLSRI, Malla Reddy SAMA, Wolfgang KIESS, Sergio BEKER
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Publication number: 20180048983Abstract: In a gateway device that is provided between a radio base station and a terminal device of a mobile communication network, the gateway device includes a storage control unit that temporarily stores data sequentially received from the terminal device in a data storage unit, and then transmits the data stored in the data storage unit to an external device connected to the mobile communication network; and a determination unit that determines a real time property of a service in the external device, and selects a method of setting a bearer to the radio base station based on the real time property.Type: ApplicationFiled: March 30, 2016Publication date: February 15, 2018Applicant: NTT DOCOMO, INC.Inventors: Takashi Koshimizu, Gerald Kunzmann, Srisakul Thakolsri
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Publication number: 20180041931Abstract: A correspondence information storage 32 acquires correspondence information in which an eNB 20, an SGW-C 60, and an SGW-U 70 are associated with each other in advance, and a connection controller 31 receives a handover request from the eNB 20 and identifies a target eNB 20 and a source eNB 20. A connection changer 33 identifies the SGW-C 60 and the SGW-U 70 associated with the target eNB 20 and identifies the SGW-C 60 and the SGW-U 70 associated with the source eNB 20, with reference to the correspondence information. The connection changer 33 determines whether or not the SGW-C 60 and the SGW-U 70 are to be changed on the basis of the identified result, and controls change requests for at least one of the SGW-C 60 and the SGW-U 70 on the basis of a result of the determination.Type: ApplicationFiled: January 25, 2017Publication date: February 8, 2018Applicant: NTT DOCOMO, INC.Inventors: Takuya SHIMOJOU, Masayoshi SHIMIZU, Tomoki SHIBAHARA, Atsushi MINOKUCHI, Srisakul THAKOLSRI, Malla Reddy SAMA, Wolfgang KIESS