Abstract: A mobile communication system capable of communication control on the basis of load information transmitted/received between base stations by using inter-base-station communication, comprises: a base station eNB1; a base station eNB2 adjacent to the base station eNB1; and at least one base station eNB3 adjacent to the base station eNB2, wherein after receiving load information 3 of the base station eNB3 from the base station eNB3, the base station eNB2 transmits, to the base station eNB1, load information 2 of the base station eNB2 weighted by using the load information 3 of the base station eNB3.

Abstract: A relay node (200) transmits a terminal handover request, which requests permission for a terminal handover, or a relay station handover request, which requests permission for a relay station handover, to a radio base station (100A). When the relay node receives a handover instruction which instructs a relay station handover, the relay node carries out a relay handover; and when the relay node receives a handover instruction which instructs a terminal handover, the relay node transmits the handover instruction to at least one among a group of radio terminals (300E-300G).

Abstract: A radio communication system (1) is disclosed, in which a relay node (200) is connected to a radio base station (100A), radio terminals (300E-300G) are connected to the relay node (200), and the communication between each of the radio terminals (300E-300G) and the radio base station (100A) is relayed by the relay node (200). When the base station load, which is the load of the radio base station (100A), has exceeded a threshold value, the radio base station (100A) transmits, to the relay node (200), either the command of a relay handover in which the relay node (200) changes its connecting destination or the command of a terminal handover in which any one of the radio terminals (300E-300G) changes its connecting destination. The relay node (200) executes the relay handover in a case of receipt of the relay handover command from the radio base station (100A) or transfers the terminal handover command in a case of receipt of the terminal handover command from the radio base station (100A).

Abstract: A relay node (200) transmits a terminal handover request, which requests permission for a terminal handover, or a relay station handover request, which requests permission for a relay station handover, to a radio base station (100A). When the relay node receives a handover instruction which instructs a relay station handover, the relay node carries out a relay handover; and when the relay node receives a handover instruction which instructs a terminal handover, the relay node transmits the handover instruction to at least one among a group of radio terminals (300E-300G).

Abstract: A radio terminal (100) according to a present invention stores a handover threshold in association with an application being executed, when the communication quality of the application is degraded, the handover threshold being based on a piece of radio state information equivalent to that at a time when the communication quality is determined to be degraded. The radio terminal (100) stores the amount of variation of the radio state information in association with the radio communication system. The radio terminal (100) executes handover to a different radio communication system on the basis of the radio state information, the stored handover threshold and the stored amount of the variation.

Abstract: An EMS server (14) calculates an estimated value of an integrated power consumption at an expiration of a reference time, based on a current value of power consumption of at least one load device located in a consumer's facility and a remaining time in the reference time. The EMS server (14) controls the load device in accordance with the estimated value of the integrated power consumption and a response time. The response time refers to a time required to complete a change in power consumption of the load device in response to a change in a setting of the load device.

Abstract: In the present invention, in a coordinate plane that receives an expression according to a first axis indicating a parameter that impacts a basic rate and a second axis indicating a parameter that impacts a metered power rate, a display unit (230) displays an image indicating coordinates indicating the use state of power received from a grid.

Abstract: A radio terminal 100 includes: a radio condition information acquisition unit 105 configured to acquire radio condition information indicating a condition of a radio signal which is transmitted to or received from the radio base station; an EVDO communication unit 101 and a WLAN communication unit 103 configured to receive a communication quality deterioration notification indicating that a communication quality of a application is deteriorated in a communication target device; a storage unit 111 configured to store a handover threshold in association with the application, the handover threshold based on the radio condition information at the time point when the communication quality deterioration notification is received; and a handover controller 107 configured to execute a handover to another radio base station on the basis of the radio condition information and of the handover threshold.

Abstract: THE HEMS 500 controls equipment provided in a consumer 10. The HEMS 500 comprises a transceiver unit 510 that transmits a command to instruct processing executed by the equipment and a control unit 530 that acquires start time information indicating a time from when the equipment receives the command to when the equipment starts processing according to the command from the equipment and controls the equipment based on the acquired start time information.

Abstract: A power supply system comprises a path switching means that switches a power supply path between power generation equipment and a load so that at least a part of output power of each power generation equipment is supplied to another power generation equipment during a power failure or power instability in the grid.

Abstract: A power management system has power supplying means, measuring means that measures power generation environment for the power supplying means, and communication means that transmits information measured by the measuring means. The power management system comprises: a control unit that controls the measuring means and the communication means. The power supplying means is used as a power source for the measuring means and the communication means. The control unit sets a first power threshold to be used for determining whether or not to switch operation states of the measuring means and a second power threshold to be used for determining whether or not to switch operation states of the communication means on the basis of a power supply that is supplied from the power supplying means.

Abstract: A mobile communication system capable of communication control on the basis of load information transmitted/received between base stations by using inter-base-station communication, comprises: a base station eNB1; a base station eNB2 adjacent to the base station eNB1; and at least one base station eNB3 adjacent to the base station eNB2, wherein after receiving load information 3 of the base station eNB3 from the base station eNB3, the base station eNB2 transmits, to the base station eNB1, load information 2 of the base station eNB2 weighted by using the load information 3 of the base station eNB3.

Abstract: In a transmission bandwidth notification /analysis unit (107), IP packets including a transmission bandwidth request is analyzed based on IP packets received by reception interface units (101Rx, 103Rx) and a transmission bandwidth notified from a mobile node (300) is notified to a transmission path control unit (113), and a transmission bandwidth field included in the received IP packets is monitored and a time from when a transmission bandwidth request has been sent to the mobile node (300) till when an IP packet reflecting the transmission bandwidth arrives is measured as well.

Abstract: If an unallocated PDSCH exists upon allocating downlink resource blocks to the radio terminal UE30-1, a radio base station eNB10-1 identifies a period corresponding to an area of the unallocated PDSCH (PDSCH unallocated period), and turns off a power amplifier 112 in the PDSCH unallocated period.

Abstract: A radio base station eNB#1 comprises: a storage unit 130 configured to store a handover parameter for controlling handover of a radio terminal, in association with time zone information indicating a time zone; and a controller 120 configured to detect handover failure and control the storage unit to adjust the handover parameter associated with the time zone information indicating a failure-detected time zone being a time zone when the handover failure is detected.

Abstract: After the radio base station eNB#2 receives a Configuration Update message from the radio base station eNB#1, the message including Deactivation Indication IE indicating that the radio base station eNB#1 is switched to the inactive state, the radio base station eNB#2 sends, to the radio base station eNB#1, a Cell Activation Request message for switching the radio base station eNB#1 to an active state depending on a condition of a radio terminal UE connected to the radio base station eNB#2.

Abstract: A radio base station eNB#1 comprises: a storage unit 130 configured to store a handover parameter for controlling handover of radio terminals, in association with moving velocity information indicating a moving velocity of a given radio terminal; and a controller 120 configured to detect handover failure and control the storage unit 120 to adjust the handover parameter associated with the moving velocity information indicating a failure-detected moving velocity being a moving velocity of a radio terminal to which the handover failure is detected.

Abstract: Each of a plurality of radio terminals (UE 30-1) connected to a radio base station (eNB 10-1) measures a throughput during execution of an application of the radio terminal, and transmits, to the radio base station (eNB 10-1), information of throughput sufficiency that is a ratio of the measured throughput to a required throughput. The radio base station (eNB 10-1) receives the information of throughput sufficiency from each of the radio terminals (UE 30-1), and performs, based on the received information of throughput sufficiency, a handover procedure for the radio terminals (UE 30-1).

Abstract: A radio base station eNB#1 comprises: a storage unit 130 which stores a handover parameter for controlling handover, in association with location information indicating a location in a communication area of the radio base station eNB#1; and a controller 120 which detects handover failure and control the storage unit in such a way as to adjust the handover parameter associated with the location information indicating a failure-detected location being a location of a radio terminal of which the handover failure is detected.

Abstract: When a relay station load, which is the load of communications with radio terminals (300E-300G), of a relay node (200) exceeds a load allowable amount, which is determined according to the load of a radio base station (100A), the relay node transmits a handover request, which requests permission for a relay handover, to the radio base station (100A) and performs a relay handover if the relay node receives a handover command which instructs a relay handover.