| Patent application number | Description | Published |
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| 20090245201 | BASE STATION, PATH CONTROL APPARATUS AND HANDOVER CONTROL METHOD - A path control apparatus includes a sequence number assignment unit assigning successive sequence numbers to respective user data packets transmitted from an upper layer; and a transmission unit transmitting the user data packets with the assigned sequence numbers to a handover source base station or a handover target base station. A base station includes a sequence correction unit sorting at least one of a user data packet transmitted from a path control apparatus and a user data packet transferred from a handover source base station in a correct order in accordance with sequence numbers successively assigned to respective user data packets; and a transfer unit transferring one or more user data packets of the user data packets having the assigned sequence numbers, wherein the handover source base station has not transmitted the one or more user data packets or waits for transmission acknowledgement for the one or more user data packets. | 10-01-2009 |
| 20110250889 | MOBILE COMMUNICATION METHOD AND MOBILE STATION - The present invention relates to a mobile communication method in which a mobile station performs a handover from a handover source radio base station to a handover target radio base station. The mobile communication method includes the steps of: (A) acquiring, at the handover target radio base station, from the handover source radio base station or a switching center, a key for calculating a first key for generating a certain key used in a communication between the handover target radio base station and the mobile station; and (B) acquiring, at the handover target radio base station, from the switching center, a second key for calculating a first key for generating a certain key used in a communication between a next handover target radio base station and the mobile station. | 10-13-2011 |
| 20120083239 | BROADCAST INFORMATION NOTIFICATION METHOD AND NETWORK NODE - A broadcast information notification method according to the present invention includes: starting to repeatedly transmit, at a network node, a broadcast message irrespective of transmission timing of a paging message, when the network node is instructed to notify a mobile station of the broadcast information; receiving, at the mobile station, a broadcast message reception parameter by using a parameter specified by the paging message transmitted by the network node at a predetermined timing; receiving, at the mobile station, a receivable broadcast message by using the received broadcast message reception parameter; and performing, at the mobile station, processing corresponding to the broadcast information. | 04-05-2012 |
| 20120094676 | MOBILE COMMUNICATION METHOD AND RADIO BASE STATION - A mobile communication method according to the present invention includes the steps: transmitting, from an exchange (MME) to a first radio base station (eNB), a location information reporting instruction which provides an instruction to report location information on a mobile station (UE); reporting, the first radio base station (eNB) to the exchange (MME), the location information on the mobile station (UE), in accordance with the location information reporting instruction; transmitting, the location information reporting instruction to a second radio base station (eNB), in a handover procedure of the mobile station (UE) from the first radio base station (eNB) to the second radio base station (eNB); and reporting, from the second radio base station (eNB) to the exchange (MME), the location information on the mobile station (UE), in accordance with the location information reporting instruction. | 04-19-2012 |
| 20120140666 | MOBILE COMMUNICATION SYSTEM, RELAY NODE, RADIO BASE STATION, AND GATEWAY DEVICE - A mobile communication system according to the present invention comprising a plurality of Un radio bearers set between the plurality of mobile stations UE and the relay node RN, each of Un radio bearers for a predetermined QoS set for different mobile stations UE is configured to be mapped to a Un radio bearer for the predetermined QoS set between the relay node RN and the radio base station DeNB. | 06-07-2012 |
| 20120140740 | HANDOVER METHOD, RADIO BASE STATION, AND MOBILE STATION - A radio base station according to the present invention comprising the radio base station eNB# | 06-07-2012 |
| 20120147809 | MOBILE COMMUNICATION METHOD, RADIO BASE STATION, AND RELAY NODE - A mobile communication method according to the present invention comprising a step A in which, when a predetermined trigger is detected, the radio base station DeNB notifies the relay node RN of a transmission timing of an MBSFN subframe by a signal for changing the configuration of an RRC connection that is set between the radio base station DeNB and the relay node RN, a step B in which the radio base station DeNB performs scheduling such that a downlink signal is transmitted to the relay node RN at the transmission timing of the MBSFN subframe, and a step C in which the relay node RN performs scheduling such that a downlink signal is transmitted at a timing other than the transmission timing of the MBSFN subframe. | 06-14-2012 |
| 20120157053 | MOBILE COMMUNICATION SYSTEM, MOBILE STATION, AND RADIO BASE STATION - A mobile communication system according to the present invention is a mobile communication system so configured that a mobile station UE performs communication with a radio base station eNB by simultaneously using a plurality of frequency carriers, in which the mobile station UE is configured to perform a communication security process by applying the same key KeNB to all of the plurality of frequency carriers. | 06-21-2012 |
| 20120178417 | MOBILE COMMUNICATION METHOD AND MOBILE COMMUNICATION SYSTEM - A mobile communication method according to the present invention comprising a step in which the mobile switching center MME transmits Attach Accept including the KeNB to the relay node RN in response to the received Attach Request, a step in which the radio base station DeNB generates the K_RRCint, the K_RRCenc, and the K_UPenc based on the received KeNB, and notifies the relay node RN of only the K_RRCint and the K_RRCenc, and a step in which the relay node RN saves the notified K_RRCint and K_RRCenc. | 07-12-2012 |
| 20120182969 | MOBILE COMMUNICATION METHOD AND RADIO BASE STATION - A mobile communication method according to the present invention is summarized in that it includes: a step in which a mobile station UE sends “Measurement Report” including location registration area information “TAI” and identification information “ECGI” on a cell subordinate to a radio base station HeNB, to a radio base station eNB; a step in which the radio base station eNB sends “(X2) HO Request” including the identification information “ECGI” on the cell subordinate to the radio base station HeNB to an IP address of a gateway apparatus HeNB-GW corresponding to the location registration area information “TAI”; and a step in which the gateway apparatus HeNB-GW transfers the “(X2) HO Request” to the IP address corresponding to the identification information “ECGI” on the cell subordinate to the radio base station HeNB. | 07-19-2012 |
| 20120183141 | MOBILE COMMUNICATION METHOD AND RADIO BASE STATION - A mobile communication method according to the present invention comprising the relay node RN configured to the method comprising a step in which the relay node RN transmits the “X2-AP (UE): Handover Request” to the radio base station DeNB # | 07-19-2012 |
| 20120188984 | MOBILE COMMUNICATION METHOD AND RADIO BASE STATION - A mobile communication method according to the present invention includes: a step in which a mobile station UE transmits “Measurement Report” including identification information “ECGI” on a cell subordinate to a radio base station eNB, to a radio base station HeNB; a step in which a radio base station HeNB transmits “(X2) HO Request” including the identification information “ECGI” of the cell subordinate to the radio base station eNB, to an IP address of a gateway device HeNB-GW; and a step in which the gateway device HeNB-GW transfers the “(X2) HO Request” to the IP address corresponding to the identification information “ECGI” on the cell subordinate to the radio base station eNB. | 07-26-2012 |
| 20120220312 | MOBILE COMMUNICATION METHOD, MOBILE MANAGEMENT NODE, AND MOBILE STATION - The mobile communication method according to the present invention includes: a step of acquiring and storing, by a mobile management node MME, Cell-ID for identifying a cell in which a mobile station UE exists, in an MM process; a step of transmitting, by the mobile management node MME, a positioning process signal “Location Request” including the stored Cell-ID to a positioning calculation node E-SMLC, in an LCS process; and a step of performing, by the positioning calculation node E-SMLC, a positioning process of the mobile station UE, using the Cell-ID included in the received positioning process signal “Location Request”, in the LCS process. | 08-30-2012 |
| Patent application number | Description | Published |
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| 20120225647 | MOBILE COMMUNICATION METHOD, MOBILE MANAGEMENT NODE, POSITIONING CALCULATION NODE, AND MOBILE STATION - To eliminate the problems when a handover by a mobile station UE over a radio base station eNodeB is performed during a positioning process of the mobile station UE. A mobile management node MME according to the present invention is configured to transmit a transfer signal “S1-AP Downlink NAS Transport” including an LPP signal received from a positioning calculation node E-SMLC and the identification information of the E-SMLC to a radio base station eNodeB, and when a transmission failure reason included in a transmission failure notification signal “S1-AP NON DELIVERY INDICATION” received from the radio base station eNodeB indicates a positioning failure, the mobile management node MME transmits the transmission failure reason and the LPP signal included in the transmission failure notification signal “S1-AP NON DELIVERY INDICATION” to the positioning calculation node E-SMLC identified by the identification information of the E-SMLC included in the transmission failure notification signal. | 09-06-2012 |
| 20120225675 | MOBILE COMMUNICATION METHOD, MOBILE MANAGEMENT NODE, AND MOBILE STATION - The mobile communication method according to the present invention includes: a step of acquiring and storing, by a mobile management node MME, Cell-ID for identifying a cell in which a mobile station UE exists, in an MM process; a step of transmitting, by the mobile management node MME, a positioning process signal “Location Request” including the stored Cell-ID to a positioning calculation node E-SMLC, in an LCS process; and a step of performing, by the positioning calculation node E-SMLC, a positioning process of the mobile station UE, using the Cell-ID included in the received positioning process signal “Location Request”, in the LCS process. | 09-06-2012 |
