Abstract: The present invention aims to provide a communication system capable of optimizing network processing. The communication system according to the present invention includes an application server (10) configured to detect a behavior of a communication terminal (50) and a service common apparatus (20) configured to receive an identifier of the communication terminal (50) and behavior information on the communication terminal (50) transmitted from the application server (10) via a first interface defined between the service common apparatus (20) and the application server (10) and to transmit the identifier of the communication terminal (50) and the behavior information on the communication terminal (50) to a mobile network node (40) via a second interface defined between the service common apparatus (20) and the mobile network node (40) to optimize a parameter regarding the communication terminal (50).

Abstract: A knife cylinder is provided with a restraint parts disposed within a fixation hole; a compression coil spring for pressing the restraint parts inwardly of the fixation hole; an operating parts entering the inside of the restraint parts through a mounting hole; a protrusion provided to the restraint parts; a helical groove provided in the operating parts, the helical groove engaging with the protrusion and being configured so that, when the operating parts rotates, the helical groove can move the restraint parts from a first position to a second position; and a blocking groove provided in the outer surface of the operating parts and blocking the rotation of the operating parts in the reverse direction when the restraint parts is located at the second position.

Abstract: An object of the invention is to provide a communication control device capable of reducing the effect on throughput of U-Plane data when the communication amount of C-Plane data increases. A communication control device according to the present invention includes: an information acquisition unit configured to acquire ratio information indicating a ratio between a communication amount of control data and a communication amount of user data from a base station configured to allocate a radio resource for transmitting and receiving the control data and the user data between the base station and a mobile station; and a parameter control unit configured to change a parameter associated with the mobile station so as to reduce the control data to be transmitted and received between the mobile station and the base station when the ratio of the communication amount of the control data is larger than a predetermined threshold.

Abstract: A network entity (5) sends, to a mobility management entity (6) or a subscriber server (9), a request message in order to configure the mobility management entity (6) to report a second identifier to be used by a radio access network node (2) for identifying a radio terminal (1). Further, the network entity (5) receives the second identifier from the mobility management entity (6) directly or through the subscriber server (9) and communicates with the radio access network node (2) by using the second identifier. It is thus, for example, possible to allow an MEC server (or an MEC application hosted on the MEC server) and the radio access network (RAN) node to directly exchange therebetween control messages regarding a specific radio terminal.

Abstract: An object of the present invention is to provide a mobile communication system, a detection server, a control apparatus, a mobile communication apparatus, a network optimizing method, and a program which can execute optimization of network processing based on a change of use characteristics. A mobile communication system according to the present invention includes: a detection server that detects a characteristics change of a mobile communication apparatus based on an event notice transmitted from the mobile communication apparatus; and a control apparatus that determines control contents related to the mobile communication apparatus based on the characteristics change of the mobile communication apparatus detected by the detection server, and sets the determined control contents to a processing node that executes data transfer processing between the mobile communication apparatus and another mobile communication apparatus or control processing related to the data transfer processing.

Abstract: The present invention aims to provide a communication system capable of optimizing network processing. The communication system according to the present invention includes an application server (10) configured to detect a behavior of a communication terminal (50) and a service common apparatus (20) configured to receive an identifier of the communication terminal (50) and behavior information on the communication terminal (50) transmitted from the application server (10) via a first interface defined between the service common apparatus (20) and the application server (10) and to transmit the identifier of the communication terminal (50) and the behavior information on the communication terminal (50) to a mobile network node (40) via a second interface defined between the service common apparatus (20) and the mobile network node (40) to optimize a parameter regarding the communication terminal (50).

Abstract: A policy determination system (500) according to an aspect of the present invention is arranged in a core network (10) and capable of communicating with a control apparatus (100) arranged in a radio access network (20). The control apparatus (100) is configured to perform control related to a state transition between a CONNECTED state and an IDLE state of a mobile terminal (300) based on a state control policy supplied from the policy determination system. The policy determination system (500) includes a policy determination unit (502) that determines a state control policy according to a situation of the mobile terminal (300), and a notification unit (503 or 205) that notifies the control apparatus (100) of the state control policy. This enables, for example, to reduce the number of signalings which are caused due to repetition of state transition (CONNECTED-IDLE transition) of the mobile terminal and are to be processed by the core network, based on the determination by the core network.

Abstract: A radio communication network includes: a control plane (C-plane) node (24) located in a core network (20); a local gateway (14) located in a Radio Access Network (RAN) (10) including a base station (11). The C-plane node (24) has a C-plane of a PDN gateway and provides a first C-plane interface for communicating with a PCC entity relating to Policy and Charging Control (PCC). The local gateway (14) has a user plane of a PDN gateway and provides IP connectivity to the base station (11) to offload a particular type of traffic. The local gateway (14) further provides a second control plane interface for communicating with the C-plane node (24).

Abstract: A traffic controller (8) receives, from a traffic monitor (7), a first control message generated in response to an increase in a total transmission rate of a plurality of packet flows sent from a plurality of wireless terminals (1) to a specific external network. The controller (8) determines, based on an evaluation criterion received from a criteria manager (6), one or more packet flows on which traffic shaping is to be imposed. In response to the first control message, the controller (8) controls a base station within a RAN (2) or a packet transfer node within a mobile backhaul (30) to execute the traffic shaping. This, for example, contribute to adjusting traffic that passes through a cellular communication network based on a monitoring result of a total transmission rate of traffic sent from the cellular communication network to the external network.

Abstract: A policy determination system (500) according to an aspect of the present invention is arranged in a core network (10) and capable of communicating with a control apparatus (100) arranged in a radio access network (20). The control apparatus (100) is configured to perform control related to a state transition between a CONNECTED state and an IDLE state of a mobile terminal (300) based on a state control policy supplied from the policy determination system. The policy determination system (500) includes a policy determination unit (502) that determines a state control policy according to a situation of the mobile terminal (300), and a notification unit (503 or 205) that notifies the control apparatus (100) of the state control policy. This enables, for example, to reduce the number of signalings which are caused due to repetition of state transition (CONNECTED-IDLE transition) of the mobile terminal and are to be processed by the core network, based on the determination by the core network.

Abstract: An external node (5) receives a transmission history (1301) regarding a first communication event of a first radio terminal (1) from a node (2) located in a radio access network (3). The external node (5) transmits to the node (2) a control request (1302) to control at least one of: a communication module (521) disposed in the node (2) for communicating with the external node (5); a scheduler (503, 903) disposed in the node (2); a data buffer (502, 11) disposed in the node (2) or the first radio terminal (1); and the first radio terminal (1). It is thus, for example, possible to contribute to an improvement for adapting packet scheduling to communication performed by an application of a radio terminal.

Abstract: An external node (5) determines a total size of a plurality of data packets to be transmitted in a first communication event of a first radio terminal (1) and a transmission deadline for the plurality of data packets. The external node (5) transmits the determined total size and transmission deadline to a node (2) in a radio access network (3) (201). It is thus, for example, possible to contribute to an improvement for adapting packet scheduling to communication performed by an application of a radio terminal.

Abstract: A monitoring server includes a communication unit (11) that receives image data transmitted periodically from a robot (20), information on communication quality of a communication network between the monitoring server and the robot (20), and load information of the robot (20), and a distributed-processing control unit (12) that determines, based on at least one of tracking-operation-environment information of the tracking target (30) determined based on the image data, the information on the communication quality, and the load information, a process to be performed in the robot (20), and the process to be performed in the monitoring server itself from among an image analysis process including a plurality of processes, the image analysis process being a process of specifying the tracking target (30), in which the communication unit (11) transmits information on the process to be performed in the robot (20) to the robot (20).

Abstract: An approach for network information collection and analysis of a plurality of mobile networks is provided. The approach receives a first request message including a first threshold sent from an application server. The approach sends a second request message to at least one network function. The approach receives a congestion report from the at least one network function which monitors for a change in a congestion status related to a base station that is crossing a second threshold. The approach derives a network information by combining the congestion report. The approach sends the network information to the application server, the first threshold indicating a range of the network information at which the application server wishes to be informed of the network information.

Abstract: A RAN node (2) receives, from a core network node (6, 7, 8), a first identifier that is used by a service, an application, or an edge server (5) to identify a radio terminal (1) connected to the RAN node (2), and associates the first identifier with a second identifier that is used by the RAN node (2) to identify the radio terminal (1). Further, the RAN node (2) communicates with the edge server (5) using the first identifier. It is thus, for example, possible to allow an MEC server (or an MEC application hosted on the MEC server) and a radio access network (RAN) node to directly exchange therebetween a control message regarding a specific radio terminal.

Abstract: In one embodiment, a mobile communication system (1) includes a radio access network (200) and a core network (30). The core network (30) includes a paging control apparatus (300). The paging control apparatus (300) is configured to determine a paging area of a mobile terminal (100) based on an external network (9) with which the mobile terminal communicates through the radio access network (200) and the core network (30).

Abstract: An approach for network information collection and analysis of a plurality of mobile networks is provided. The approach receives a first request message including a first threshold sent from an application server. The approach sends a second request message to at least one network function. The approach receives a congestion report from the at least one network function which monitors for a change in a congestion status related to a base station that is crossing a second threshold. The approach derives a network information by combining the congestion report. The approach sends the network information to the application server, the first threshold indicating a range of the network information at which the application server wishes to be informed of the network information.

Abstract: A mobile communications system according to an aspect of the present invention includes a control apparatus (100) arranged in a radio access network (20) and a policy supply system (200) arranged in a core network (10). The policy supply system (200) is configured to supply the control apparatus (100) with a first control policy used in control related to state transition of a mobile terminal (300) between a CONNECTED state and an IDLE state. The control apparatus (100) is configured to perform the control related to the state transition between the CONNECTED state and the IDLE state for the mobile terminal (300) based on the first control policy. This enables, for example, to reduce the number of signalings which are caused due to repetition of state transition (CONNECTED-IDLE transition) of the mobile terminal and are to be processed by the core network, based on the determination by the core network.

Abstract: A control apparatus (151) selects a target core network entity for providing a mobility management service or a data transfer service to a radio terminal (111), from among a plurality of candidate core network entities (121, 141, 142) having different route costs to the radio terminal (111) or having different sizes of a management range, based on at least one of: a delay tolerance level of the radio terminal (111); a frequency of occurrence of control signaling of the radio terminal (111); and a communication interval of the radio terminal (111). This contributes, for example, to determining which of a plurality of core network entities is used for a radio terminal by using one or more criteria (indices or parameters) other than the mobility of the radio terminal.

Abstract: A method of orchestrating control actions of controllers includes receiving requirements and, from each of an access network controller, a core network controller and an application platform controller, techniques of the respective controller, respective impacts of application of the techniques on the requirements and triggers addressable by the respective techniques. An initial synergy profile is generated using this information. In regular intervals or based on activation of a trigger, a handling procedure is run so as to identify techniques to be applied. The handling procedure considers the techniques and the respective impacts of application of the techniques an endangered requirement(s). Instructions to implement the respective identified techniques are sent to the respective belonging controllers. The synergy profile is updated based on changes resulting from the application of the techniques.