Patent application number | Description | Published |
20090054055 | MOBILE STATION, BASE STATION AND METHOD OF CONTROLLING MEASUREMENT OF PERIPHERAL CELL MEASUREMENT - A mobile station includes a radio channel condition measurement portion that measures a radio channel condition, a radio channel averaging portion that averages the measured radio channel condition over a predetermined period of time, and a reception mode control portion that allows switching to a measurement mode for measuring a different frequency and a different system to be realized in accordance with the averaged radio channel condition; and a base station includes a radio channel condition averaging portion that averages a radio channel condition received from a mobile station, over a predetermined period of time, and a transmission mode control portion that allows switching to a discontinuous transmission mode for performing a discontinuous transmission to be realized in accordance with the averaged radio channel condition. | 02-26-2009 |
20090117904 | MOBILE STATION AND HANDOVER CONTROL METHOD - A mobile station according to the present invention includes: a radio quality measurement unit | 05-07-2009 |
20090233612 | BASE STATION, MOBILE STATION AND RADIO CHANNEL CONDITION REPORTING METHOD - A base station includes a group determination unit grouping mobile stations residing within a cell and a radio channel condition reception unit receiving information indicative of a radio channel condition transmitted from a mobile station at a transmission timing of the radio channel condition corresponding to a group associated with the mobile station. Each mobile station includes a radio channel condition measurement unit evaluating a radio channel condition, a group determination unit determining a group associated with the mobile station, and a radio channel condition transmission unit transmitting information indicative of the evaluated radio channel condition at a transmission timing of the radio channel condition corresponding to the associated group. | 09-17-2009 |
20090239537 | CARRIER COMMUNICATION METHOD, PERIPHERAL CELL MEASUREMENT METHOD, BASIC STATION DEVICE, AND MOBILE STATION DEVICE - A mobile communication technique capable of efficient measurement of adjacent cells and implementation of handover process, while reducing the measurement workload on a mobile station, is provided. The mobile station measure a first carrier frequency supported by a first adjacent cell based on the carrier information received from a base station that covers the cell in which the mobile station is currently located. If the propagation condition of the first carrier frequency satisfies a predetermined condition, the mobile station measure a second and a subsequent carrier frequencies supported by the first adjacent cell. If the propagation condition of the first carrier frequency does not satisfy the predetermined condition, the mobile station terminates the measurement for the first adjacent cell, and moves to measurement of carrier frequencies of a second adjacent cell. | 09-24-2009 |
20090262654 | RADIO ACCESS NETWORK APPARATUS, MOBILE STATION AND HANDOVER CONTROL METHOD - A radio access network apparatus includes: a receiver unit | 10-22-2009 |
20090275342 | BASE STATION, MOBILE STATION, AND CHANNEL QUALITY INFORMATION REPORTING METHOD - A channel quality information reporting method includes a setting step, wherein the number N of blocks for which the mobile station reports channel quality information among the M blocks is set in accordance with an amount of traffic; a reporting step, wherein the base station reports the number N of blocks to the mobile station; a receiving step, wherein the mobile station receives the number N of blocks from the base station; a selecting step, wherein the mobile station selects N pieces of channel quality information from M pieces of channel quality information corresponding to the M blocks; an averaging step, wherein the mobile station averages pieces of channel quality information excluding the selected N pieces of the channel quality information; and a reporting step, wherein the mobile station reports the N pieces of channel quality information and the averaged channel quality information to the base station. | 11-05-2009 |
20100003979 | MOBILE STATION, BASE STATION, AND METHOD - A disclosed mobile station is designed to send or receive at least a control channel using a given frequency in a first operating mode and to tune to a frequency different from the given frequency and perform a neighboring cell search in a second operating mode. The mobile station includes a measuring unit configured to obtain a measurement of radio channel quality at a measurement interval; and a determining unit configured to compare the measurement and a threshold and to select one of the first operating mode and the second operating mode based on the result of comparison. The mobile station allows a base station to recognize the operating mode of the mobile station either by preventing reporting of the measurement lower than the threshold to the base station or by transmitting a signal indicating the selected operating mode to the base station. | 01-07-2010 |
20100009682 | CELL/CARRIER REDIRECTING AND REVERTING CONTROL AT THE TIME OF RRC CONNECTION - A cell redirection process in accordance with load balancing and user terminal conditions, and a prompt cell reverting at the time of redirection failure are provided. A cell redirection control method under a situation where a base station controls two or more cells, the method comprising steps of: transmitting a response acknowledgement for a connection set-up to a redirected cell in accordance with a redirection instruction that instructs a redirection to another cell controlled by a base station and is transmitted from the base station at the time of an RRC connection in a user terminal; determining in the user terminal whether a connection to the redirected cell is successful within a range of a maximum number of retransmissions; and performing a reverting process for reverting back to an originating cell when the connection to the redirected cell fails, in the user terminal. | 01-14-2010 |
20100029283 | USER EQUIPMENT AND METHOD USED IN MOBILE COMMUNICATION SYSTEM - User equipment used in a mobile communication system is disclosed that includes a specifying unit specifying a tracking area of a serving cell based on broadcast information, a determination unit determining whether the user equipment is entitled to communicate in the private network, and a transmission unit transmitting a signal requesting to update the tracking area to a base station of the serving cell, in which the determination unit determines whether the specified tracking area is for the private network by checking a common identification which is common to private networks, and the determination unit determines whether the user equipment is entitled to communicate in the private network by determining whether the private network to which the serving cell belongs is the same as or different from a private network in which the user equipment is entitled to communicate. | 02-04-2010 |
20100029298 | TRACE REPORTING METHOD, TRACKING AREA ASSIGNING METHOD, USER TERMINAL, BASE STATION, AND TRACKING AREA MANAGEMENT APPARATUS - A trace reporting method, in which a user terminal reports to a tracking area management apparatus a trace along which the user terminal has moved in a mobile communication system, includes the steps of storing, by the user terminal, identifiers of base stations where the user terminal has performed cell selection in an identifier storage unit; and reporting, by the user terminal, to the tracking area management apparatus the identifiers stored in the identifier storage unit upon communicating with a base station. The tracking area management apparatus may compare the reported identifiers with a prestored pattern and assign a tracking area to the user terminal based on the comparison. | 02-04-2010 |
20100034127 | BASE STATION APPARATUS AND METHOD USED FOR MOBILE COMMUNICATION SYSTEM - A base station apparatus includes a unit configured to determine a discontinuous reception pattern for a user apparatus that is classified according to a channel state of a radio link; and a unit configured to report the discontinuous reception pattern to the user apparatus. The discontinuous reception pattern specifies at least a cycle of discontinuous reception. | 02-11-2010 |
20100035642 | MOBILE STATION, BASE STATION, AND PROPAGATION CONDITION COLLECTING METHOD - A disclosed mobile station is used in a system where a newly-installed base station sends a broadcast channel including information indicating a pre-operation state. The mobile station includes a broadcast channel receiving unit configured to receive a broadcast channel; a new base station determining unit configured to determine whether the received broadcast channel includes the information indicating the pre-operation state; and a reporting unit configured to report an identifier of the newly-installed base station (new cell) and/or reception quality of a pilot channel sent from the newly-installed base station if the new base station determining unit determines that the received broadcast channel includes the information indicating the pre-operation state. | 02-11-2010 |
20100035654 | BASE STATION, USER DEVICE, AND TRACKING AREA SETTING METHOD - A base station in a mobile communication system is disclosed. In the mobile communication system, user devices present in areas covered by existing base stations report tracking area identifiers of tracking areas to which the existing base stations belong. The base station includes a statistical processing unit configured to count the number of the tracking area identifiers reported by the user devices for each of the tracking areas; and a tracking area selecting unit configured to assign the base station one of the tracking areas corresponding to the largest number of the tracking area identifiers counted by the statistical processing unit. | 02-11-2010 |
20100046433 | LOGICAL INTERFACE ESTABLISHING METHOD, RADIO BASE STATION, AND COMMUNICATION MANAGEMENT APPARATUS - A plug-and-play radio base station autonomously establishes X2 logical interfaces and S1 logical interfaces with existing base stations and upper nodes. A new radio base station which is installed in a network advertises an IP address of the new radio base station over a transport network. An existing radio base station or an upper node which receives the IP address detects the number of hops from the new radio base station to the existing radio base station or the upper node. An initial logical interface with the new radio base station is established when the detected number of hops is below a predetermined threshold. | 02-25-2010 |
20100048141 | MOBILE COMMUNICATION SYSTEM, BASE STATION, ACCESS GATEWAY, AND TRACKING AREA SETTING METHOD - A disclosed mobile communication system includes a newly-installed base station configured to send its identifier and a pilot channel; existing base stations; user devices configured to send reception quality measurements of the pilot channel to the existing base stations; and an upper node. Each of the existing base stations includes a statistical processing unit for performing statistical processing on the reception quality measurements; and a statistical processing result reporting unit configured to send a result of the statistical processing to the upper node. The upper node includes a tracking area selecting unit configured to select a tracking area to be assigned to the newly-installed base station based on the results of the statistical processing; and a tracking area reporting unit configured to report the selected tracking area to the newly-installed base station. The newly-installed base station includes a tracking area setting unit configured to set the reported tracking area. | 02-25-2010 |
20100048210 | USER EQUIPMENT AND METHOD USED IN USER EQUIPMENT - Disclosed user equipment performs intermittent reception in a different frequency from a frequency of a serving cell belonging to a current radio access network or in a different radio access network from the current radio access network. The user equipment includes a receiving unit for receiving and demodulating a control signal and a cell search unit for performing a cell search in a specified frequency. When a release signal is received, the user equipment switches to a preliminary intermittent reception mode where the receiving unit intermittently receives the control signal in the serving cell and the cell search unit performs the cell search in the different frequency or the different radio access network between intermittent reception timings. Then, the user equipment switches to a normal intermittent reception mode where the receiving unit intermittently receives the control signal in the different frequency or the different radio access network. | 02-25-2010 |
20100056172 | BASE STATION, MOBILE STATION AND TARGET CELL DETERMINATION METHOD - One feature of the present invention relates to a base station for operating multiple cells each having a predefined bandwidth, including: a load measurement unit configured to measure traffic status in each of the cells; a redirected cell determination unit configured to determine either a redirected cell or a cell layer as redirected cell information for redirecting a mobile station based on the traffic status, the redirected cell and the cell layer to which the mobile station is to be redirected; and a transmission unit configured to transmit the redirected cell information to the mobile station in a paging channel. | 03-04-2010 |
20100075684 | CELL INFORMATION TRANSMISSION METHOD AND USER APPARATUS IN MOBILE COMMUNICATIONS SYSTEM - A method of transmitting cell information is disclosed. The method includes the steps of transmitting a primary broadcast channel at constant intervals in a cell of a mobile communications system; broadcasting, in the primary broadcast channel, scheduling information indicating a location of a first scheduling unit, including information to be broadcast in the cell; and broadcasting, in the first scheduling unit, information indicating whether the cell is a dominant cell or a subordinate cell. | 03-25-2010 |
20100080135 | BASE STATION APPARATUS, MOBILE STATION, MOBILE COMMUNICATION SYSTEM, AND COMMUNICATION CONTROL METHOD - A base station for communicating with a mobile station which transmits an uplink signal according to a frequency division multiplexing scheme includes a first measurement unit configured to measure reception power on a frequency band for the random access channel in uplink or a second measurement unit configured to measure the number of receptions of preambles on the random access channel. The base station may either control the frequency band for the random access channel or restrict transmission on the random access channel based on at least one of the reception power on the frequency band for the random access channel and the number of receptions of preambles on the random access channel. | 04-01-2010 |
20100087197 | USER APPARATUS, BASE STATION APPARATUS AND METHOD USED IN MOBILE COMMUNICATION SYSTEM - A user apparatus in a mobile communication system includes: a unit configured to receive a downlink control signal using a frequency of a residing cell; and a unit configured to perform cell search using a frequency different from the frequency of the residing cell during an interval between reception timings of the downlink control signal in response to an occurrence of a predetermined event for different frequency measurement in the user apparatus or a base station apparatus. When the reception timing interval of the downlink control signal is not longer than the threshold reported from the base station apparatus, and when the predetermined event for different frequency measurement occurs in the user apparatus or the base station apparatus, different frequency measurement is performed in a cycle, different from the reception timing interval, reported from the base station apparatus. | 04-08-2010 |
20100105377 | BASE STATION APPARATUS, USER EQUIPMENT, AND METHOD USED IN MOBILE COMMUNICATION SYSTEM - A disclosed base station apparatus to be used in a mobile communication system includes a report signal receiving unit receiving a report signal from one or more user equipment terminals, a radio parameter adjustment unit adjusting radio parameters based on an analysis result of each report signal, a designation unit designating a report condition to be used for each user equipment terminal to determine whether to transmit the report signal and content to be reported in the report signal, and a report unit reporting the report condition and the content to be reported to the one or more user equipment terminals. Further, in the base station apparatus, the report condition is satisfied when a transmission source of a downlink reference signal is a specific cell, and the content to be reported includes a received quality value of the downlink reference signal. | 04-29-2010 |
20100111036 | BASE STATION, USER APPARATUS, AND METHOD - A base station comprises a transmission buffer configured to store a service data unit received from the access gateway; a retransmission buffer configured to store a packet data unit to be retransmitted in a radio downlink; a scheduler configured to determine assignment of radio resources to user apparatuses and supply scheduling information; and a transmitted signal processing unit configured to generate a transmitted signal including data stored in the transmission buffer or the retransmission buffer in accordance with the scheduling information. The scheduler is configured to determine the scheduling information to transmit data destined for a user apparatus requesting handover in priority to data destined for a user apparatus that does not request handover. | 05-06-2010 |
20100113045 | BASE STATION APPARATUS AND METHOD FOR USE IN MOBILE COMMUNICATION SYSTEM - A base station apparatus includes a classification unit configured to classify user apparatuses based on channel state of a radio link, a DRX (Discontinuous Reception) status memory configured to store information indicating which of multiple groups each of one or more of the user apparatuses conducting DRX belongs to, a determination unit configured to determine which of the groups the user apparatuses classified by the classification unit are to belong to with reference to the information stored in the DRX status memory, and an indication unit configured to indicate the determined groups to the user apparatuses. Each of the groups includes one or more of the user apparatuses activating simultaneously. The determination unit is configured to assign one of the user apparatuses having relatively poor channel state to one of the groups having a smaller number of simultaneously activating user apparatuses. | 05-06-2010 |
20100113054 | BASE STATION, MOBILE STATION, SYNCHRONIZATION CONTROL METHOD, AND IC CHIP - A synchronization control method in a communication system including a mobile station and a base station includes generating a synchronization request at the base station when data addressed to the mobile station arrives, receiving the synchronization request from the base station at the mobile station, transmitting feedback information at the mobile station as a response to the synchronization request, receiving the feedback information at the base station, generating timing advance information at the base station based on a reception timing of the feedback information, transmitting the timing advance information from the base station to the mobile station, and adjusting a transmission timing of uplink data at the mobile station, based on the timing advance information. | 05-06-2010 |
20100113055 | COMMUNICATION CONTROL METHOD, BASE STATION, AND USER TERMINAL - A communication control method used by a base station to allocate a radio resource to a user terminal which performs different-frequency measurement includes the steps of transmitting to the base station, by the user terminal, a request indicating whether a measurement gap for different-frequency measurement is needed, when a need for data communications between the user terminal and the base station arises while the user terminal is performing discontinuous reception; and controlling, by the base station, the radio resource allocated to the user terminal based on whether the measurement gap is needed. | 05-06-2010 |
20100120448 | TRACKING AREA SETTING APPARATUS, USER EQUIPMENT, AND TRACKING AREA SETTING METHOD - A tracking area setting apparatus is disclosed that includes a service request measurement unit measuring a frequency of occurrence of a service request transmitted by a user equipment terminal to a cell where the user equipment terminal is located based on a paging channel transmitted in all cells belonging to a tracking area where the user equipment terminal is located, the user equipment terminal being a target user equipment terminal to receive a call, the tracking area including one or more cells and a tracking area determination unit determining whether a number of the frequency of occurrence of the service request in a predetermined cell is equal to or greater than a predetermined threshold value based on the frequency of occurrence of the service request and, when determining yes, separate the predetermined cell from the tracking area to which the predetermined cell belongs. | 05-13-2010 |
20100151852 | MOBILE COMMUNICATION SYSTEM, BASE STATION CONTROLLER, BASE STATION, AND BASE STATION STATE CONTROL METHOD - A mobile communication system includes an association requesting unit provided in a base station and configured to request a base station controller, which is an upper node, to associate the base station with a tracking area; and a state control unit provided in the base station controller and configured to monitor entry or appearance and exit or disappearance of mobile stations in and from the tracking area associated with the base station, to cause the base station to transition to a serving state if at least one of the mobile stations enters or appears in the tracking area, and to cause the base station to transition to a radio-unit-inactive state if all of the mobile stations exit or disappear from the tracking area. | 06-17-2010 |
20100165853 | MOBILE STATION, BASE STATION AND RADIO CHANNEL CONDITION REPORTING METHOD - A mobile station comprises a radio channel condition reporting unit reporting information indicative of a radio channel condition at a reception timing in discontinuous reception. | 07-01-2010 |
20100189075 | BASE STATION AND METHOD FOR MOBILE COMMUNICATION SYSTEM - A base station for a mobile communication system includes a scheduling unit configured to obtain scheduling information of radio bearers at least for each user and to allocate radio resources to the radio bearers based on the scheduling information. When a user is handed over from a cell of the base station to a cell of a target base station, the base station reports a part of previous scheduling information of the user via an inter-base-station interface to the target base station. | 07-29-2010 |
20100195524 | USER EQUIPMENT - A disclosed user equipment terminal capable of transmitting and receiving broadcast information based on broadcast information change notification notified by a base station apparatus, including a determination unit receiving a signal transmitted from the base station apparatus and determining whether the broadcast information has been changed based on the signal and a broadcast information re-reception unit performing re-reception of the broadcast information when the broadcast information has been changed based on a result of determination by the determination unit. Further, in the user equipment terminal, after a predetermined re-reception process suspension period has passed, the broadcast information re-reception unit performs the re-reception of the broadcast information. | 08-05-2010 |
20100210218 | BASE STATION, MOBILE STATION, AND REDIRECTED CELL DETERMINATION METHOD - One feature of the present invention relates to a base station for operating multiple cells each having a predefined bandwidth, including: a redirected cell determination unit configured to determine, in response to receipt of mobile station capability information indicative of at least one of a bandwidth and a frequency band that a mobile station residing in a coverage area of the base station is capable of handling, at least one of a redirected cell and a cell layer for the mobile station associated with the mobile station capability information as redirected cell information for redirecting the mobile station; and a transmission unit configured to transmit the redirected cell information to the mobile station. | 08-19-2010 |
20100234015 | MOBILE COMMUNICATION METHOD AND RADIO BASE STATION - A mobile communication method includes the steps of: transmitting, from a radio base station (eNB) to a mobile station (UE), a measurement rule designation command which designates addition or deletion of a measurement rule; transmitting, from the radio base station (eNB) to the mobile station (UE), a measurement object designation command, which designates addition or deletion of a measurement object, independently from the measurement rule designation command; and transmitting, from the radio base station (eNB) to the mobile station (UE), a mapping designation command which designates associating of the measurement object with the measurement rule. | 09-16-2010 |
20100234033 | MOBILE STATION, BASE STATION, AND DOWNLINK RESOURCE ALLOCATION METHOD - A disclosed mobile station includes a metric calculation unit configured to calculate a UE-metric of the mobile station; a comparing unit configured to compare the UE-metric with a metric threshold sent from a base station; and a transmitting unit configured to transmit the UE-metric to the base station if the comparison result shows that the UE-metric is equal to or greater than the metric threshold. | 09-16-2010 |
20100267385 | CELL SELECTION METHOD AND MOBILE STATION - A cell selection method includes steps of: (A) determining, at a mobile station (UE), whether or not a first CSG cell satisfies a predetermined condition, when using a first macro cell as a camped cell; and (B) changing, at the mobile station (UE), the camped cell from the first macro cell to a first CSG cell, when determined that the first CSG cell satisfies the predetermined condition. | 10-21-2010 |
20100273448 | MOBILE COMMUNICATION SYSTEM, HOME BASE STATION, AND MOBILE STATION - In a mobile communication system according to the present invention, the mobile communication system is configured to manage a specific mobile station which is allowed to communicate through a CSG cell under the control of a home base station (Home-eNB); and a general mobile station (UE) other than the specific mobile station is configured to be capable of using the CSG cell as a camped cell, only when broadcast information indicating an allowance of a camping in the specific cell is received. | 10-28-2010 |
20100273496 | TRANSMISSION PROCESS RESTRICTION METHOD, MOBILE COMMUNICATION SYSTEM, AND MOBILE STATION - A transmission process restriction method according to the present invention includes the steps of transmitting a notification information notifying of a restriction rate for each access class and a restriction rate for each traffic class, causing the mobile station to determine a restriction rate of the mobile station on the basis of the notification information received by the mobile station, an access class of the mobile station, and a traffic class of the mobile station, causing the mobile station to compare a random number generated by the mobile station to the restriction rate of the mobile station, and causing the mobile station to decide whether or not to block the connection request transmission processing in accordance with a result of the comparison. | 10-28-2010 |
20100285796 | BROADCAST INFORMATION TRANSMISSION METHOD, RADIO BASE STATION AND MOBILE STATION - A radio base station (eNB) transmits a change notification to the plurality of mobile stations (UE), when repeatedly transmitting the plurality of segments, and when having changed a content of the broadcast information formed of the plurality of segments, size of each of the plurality of segments or subframes in which the plurality of segments are to be transmitted, the change notification indicating the change. The mobile station (UE) receives all the plurality of segments again, when having failed to receive only some of the plurality of segments, and when having received the change notification. | 11-11-2010 |
20100285806 | MOBILE STATION AND MOBILE COMMUNICATION METHOD - A mobile station (UE) including: a measurement information storage unit ( | 11-11-2010 |
20100291956 | BASE STATION, MOBILE STATION, AND CELL DETERMINATION METHOD - One feature of the present invention relates to a base station for operating multiple cells each having a predefined bandwidth, including: a load measurement unit configured to measure traffic status in each of the cells; a selection probability computation unit configured to compute a selection probability used to select a preselected cell based on the traffic status, the preselected cell being accessed by a mobile station in transition from an idle state to an active state; a transmission unit configured to transmit the selection probability; and a control plane control unit configured to connect to the preselected cell being accessed by the mobile station. | 11-18-2010 |
20100297999 | USER APPARATUS AND PAGING CHANNEL RECEPTION METHOD - A user apparatus which performs, when there is a change in a cell visited, a re-selection of a cell to camp on is disclosed. The user apparatus includes a tracking area ID determining unit which determines whether a new ID of a tracking area that is transmitted from one or more base station apparatuses matches a tracking area ID of a cell visited immediately before the cell re-selection; and a paging reception unit which conducts a paging reception using a paging parameter in the cell visited immediately before the cell re-selection when it is determined that the new ID of the tracking area matches the tracking area ID of the cell visited immediately before the cell re-selection. | 11-25-2010 |
20100323705 | ACCESS GATEWAY DEVICE AND TRACKING AREA IDENTIFIER NOTIFICATION METHOD - An access gateway device is disclosed that is used in a mobile communication system and that is capable of storing an identifier of a tracking area in which a mobile station in communication is located. The access gateway device includes a table unit storing a table having a corresponding relationships between a tracking area and a base station managing a cell included in the tracking area; a tracking area identifier comparison unit referring to the table at a predetermined timing, detecting the identifier of the tracking area in which the mobile station is located, and comparing the detected identifier of the tracking area with the stored identifier; and a tracking area identifier notification unit notifying the mobile station of the detected identifier of the tracking area when the detected identifier of the tracking area is different from the stored identifier based on a result of the comparison. | 12-23-2010 |
20100330982 | MOBILE STATION, MOBILE EXCHANGE STATION AND MOBILE COMMUNICATION METHOD - A mobile station ( | 12-30-2010 |
20110007708 | MOBILE COMMUNICATION METHOD AND RADIO BASE STATION - A mobile communication method according to the present invention includes the steps of: (A) calculating, at the radio base station (eNB | 01-13-2011 |
20110009067 | MOBILE STATION - A mobile station (UE) according to the present invention is configured to repeatedly transmit a first measurement report including a radio quality of a first cell and to repeatedly transmit a second measurement report including a radio quality of a second cell at the same timings, when the mobile station starts transmitting the first measurement report and thereafter starts transmitting the second measurement report. | 01-13-2011 |
20110021215 | PAGING SIGNAL TRANSMISSION METHOD, MOBILE STATION AND RADIO BASE STATION - A paging signal transmission method according to the present invention includes: notifying, from a radio base station (eNB) to a mobile station (UE), a discontinuous reception interval and a total number of the groups, the discontinuous reception interval representing an interval at which discontinuous reception of the paging signal (PCH) is performed; determining, at the mobile station (UE), a timing for receiving the paging signal on the basis of the notified discontinuous reception interval and the notified total number of the groups; receiving, at the mobile station (UE), the paging signal transmitted from the radio base station (eNB), at the determined timing; and performing, at the mobile station (UE), incoming call processing, when the received paging signal is a paging signal addressed to the mobile station (UE). | 01-27-2011 |
20110039594 | METHOD OF CAMPING ON A HYBRID CELL AND CHECKING ACCESS PRIORITY AND DEVICE THEREFOR - Methods of camping on a hybrid cell and checking access priority and devices therefor are provided. The service of a CSG user is preferably guaranteed by adjusting a UE's camping right and a passing probability of an access priority checking according to the user's contracted characteristic and limit access information of a hybrid cell Node B. At the same time, the initial access delay of a non-CSG user is reduced, the initial access efficiency of the non-CSG user is improved, and the network resource and the UE's power are saved. | 02-17-2011 |
20110065432 | MOBILE STATION - A mobile station comprises an access right management section configured so as to manage the CSG-ID corresponding to a CSG cell which permits access to the mobile station, a measurement section configured so as to measure the radio quality in peripheral cells, and a display section configured so as to display at least the CSG cell corresponding to the CSG-ID managed by the access right management section for each frequency out of the peripheral cells the radio quality of which has been measured by the measurement section on a screen as an available CSG cell. | 03-17-2011 |
20110065433 | HANDOVER CONTROL METHOD, CELL RESELECTION METHOD AND MOBILE STATION - A handover control method comprises a step in which a mobile station measures radio qualities in a plurality of different frequency cells at predetermined measurement intervals and a step in which the mobile station, when determining that the radio quality in a specific frequency cell satisfies a report condition, starts up a timer for the specific frequency cell and, when the timer for the specific frequency cell has expired, transmits to a radio base station a measurement report including the radio quality in the specific frequency cell. The mobile station, even when a timer for a second frequency cell has expired, does not transmit to the radio base station a measurement report including the radio quality in the second frequency cell if a timer for a first frequency cell having a higher priority than the second frequency cell is running. | 03-17-2011 |
20110069696 | RADIO BASE STATION AND MOBILE STATION - Provided is a radio base station eNB including a transmission timing decision unit and a system information transmission unit. The transmission timing decision unit decides a transmission radio frame according to an offset Xk from a transmission timing of a first system information SI- | 03-24-2011 |
20110070888 | USER EQUIPMENT TERMINAL AND RADIO COMMUNICATION SYSTEM - A user equipment terminal for selecting a standby cell based on a specified priority of cell selection includes a determining unit configured to receive a signal transmitted from a base station apparatus and determine whether priority information of cell selection is included in the signal; and a cell selecting unit configured to perform, based on the determination result by the determining unit, cell selection with a same priority for each cell, when the priority information is not included. | 03-24-2011 |
20110080894 | MOBILE COMMUNICATION METHOD, MOBILE STATION, AND WIRELESS ACCESS NETWORK APPARATUS - When a mobile station (UE) is camping on a system of the LTE scheme, a function (EMM) is configured to transmit a service request signal including a “CSFB” to an MME; the NNE is configured to transmit setup information including a “CSFB” to an eNB in response to the service request signal transmitted by the function (EMM); the eNB is configured to transmit, to a function (AS) , instruction information instructing to select a cell in a system of the WCDMA/GSM scheme in response to the setup information transmitted by the MME; | 04-07-2011 |
20110080895 | HANDOVER CONTROL METHOD, CELL RESELECTION METHOD AND MOBILE STATION - A handover control method comprises: a step in which a mobile station measures radio qualities in a plurality of different frequency cells at predetermined measurement intervals; and a step in which the mobile station, when determining that the radio quality in a specific frequency cell satisfies a report condition, starts up a timer for measuring the time during which the radio quality in the specific frequency cell continues to satisfy the report condition and, when the timer has expired, transmits to a radio base station a measurement report including the radio quality in the specific frequency cell. The mobile station, after determining that the radio quality in a second frequency cell satisfies the report condition and starting up a second timer, stops the second timer and starts up a first timer when determining that the radio quality in a first frequency cell having a higher priority than that of the second frequency cell satisfies the report condition. | 04-07-2011 |
20110086640 | MOBILE COMMUNICATION METHOD AND MOBILE STATION - A mobile communication method according to the present invention is to communicate between a mobile station (UE) and a radio base station (eNB) by using a certain key generated using a first key. The mobile communication method includes the steps of: updating, at the mobile station (UE), the first key upon receiving a handover command signal from the radio base station (eNB); transmitting, from the mobile station (UE) to the radio base station (eNB), a handover complete signal by using the certain key generated using the updated first key; and performing, at the mobile station (UE), a cell selection processing when failing to transmit the handover complete signal and detecting a radio link failure, and transmitting, from the mobile station to a selected re-establishment target cell, a re-establishment request signal by using the first key before being updated. | 04-14-2011 |
20110092214 | MOBILE STATION AND RADIO BASE STATION - A mobile station UE is provided with an access right management unit for managing a CSG-ID corresponding to a CSG cell which permits the mobile station UE to access thereto, a measurement unit for measuring the radio quality of a CSG cell defined as an object to be measured, and a measurement report transmission unit for, only when the radio quality of a CSG cell corresponding to the CSG-ID managed by the access right management unit out of the radio qualities of CSG cells measured by the measurement unit satisfies a report condition, transmitting a measurement report including at least the radio quality of the CSG cell corresponding to the CSG-ID. | 04-21-2011 |
20110092236 | MOBILE COMMUNICATION METHOD, MOBILE STATION AND RADIO BASE STATION - The mobile communication method has a step wherein a mobile station (UE) generates first verification information using a fast key, a first parameter, and an algorithm for ‘Integrity Protection,’ a step wherein the mobile station (UE) generates second verification information by excising a specific bit in the first verification information, and a step wherein, when a wireless link obstruction is detected in an RRC connection, the mobile station (UE) performs cell selection processing and transmits an RRC-PDU for an RRC reconnection request, wherein the second verification information is set, over a shared control channel to the wireless base state that manages the selected cell. | 04-21-2011 |
20110105124 | 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. | 05-05-2011 |
20110111731 | MOBILE COMMUNICATION METHOD AND SWITCHING CENTER - In a procedure for a mobile station (UE) to perform handover from a cell under the control of a radio base station (NB) of an UTRAN scheme to a cell under the control of a radio base station (eNB) of an E-UTRA scheme, a switching center (MME) of the E-UTRA scheme receives, from and the radio base station (eNB) of the E-UTRA scheme, a handover request acknowledge message including a transparent container including a security algorithm of an AS used in a communication between the mobile station (UE) and the radio base station (eNB) of the E-UTRA scheme; and the switching center (MME) of the E-UTRA scheme transmits, to a switching center (SGSN) of the UTRA scheme, a NAS PDU including the transparent container, a security algorithm of a NAS and a security processing parameter of the NAS. | 05-12-2011 |
20110117954 | USER APPARATUS AND METHOD IN MOBILE COMMUNICATION SYSTEM - A user apparatus for use in a mobile communication system includes a reception unit configured to receive a signal transmitted from a base station and obtain a parameter for determining evaluation criteria on cell reselection; a counting unit configured to count a number of cell reselections; and a measurement unit configured to measure a Doppler frequency indicative of a mobility of the user apparatus. The evaluation criteria on cell reselection are that reception signal strength of a signal transmitted from a target base station has been higher than or equal to reception signal strength of a signal transmitted from a source base station by greater than or equal to a hysteresis threshold for longer than or equal to a time to trigger. It is determined whether the evaluation criteria on cell reselection are modified and used depending on whether both first and second conditions are satisfied. The first condition is that a number of cell reselections being performed within a predefined first period (TCRmax) is greater than or equal to a predefined first threshold (NCR or NCR | 05-19-2011 |
20110122843 | MOBILE COMMUNICATION METHOD - In a mobile communication method according to the present invention includes the steps of: transmitting, from a handover source radio base station to a switching center, a handover request including an NCC, a PCI and a K | 05-26-2011 |
20110124358 | MOBILE COMMUNICATION METHOD - A mobile communication method according to the present invention communicates between a mobile station (UE) and a radio base station (eNB) by using a certain key. The method includes the step of: (A) acquiring, at a radio base station managing a re-establishment target cell for the mobile station (UE), a first key (K | 05-26-2011 |
20110128937 | MOBILE COMMUNICATION METHOD, RADIO BASE STATION, AND MOBILE STATION - A mobile communication method according to the present invention includes steps of: generating, at a HO-source radio base station, an intermediate key (K | 06-02-2011 |
20110130143 | MOBILE COMMUNICATIONS SYSTEM, GENERAL BASE STATION APPARATUS, BASE STATION APPARATUS, AND BASE STATION STATUS CONTROL METHOD - A mobile communications system is disclosed. The mobile communications system includes a first unit, provided at a base station apparatus, which controls a base station status by determining a request from an upper-layer general base station apparatus; and a second unit, provided at the general base station apparatus, which monitors for one or more mobile station apparatuses entering into/appearing in, or exiting/disappearing from a cell formed by the general base station apparatus, and, if at least one of the mobile station apparatuses enters into/appears in the cell formed by the general base station apparatus, requests for changing the base station apparatus to a service status, and, if all of the mobile station apparatuses exit/disappear from the cell formed by the general base station apparatus, requests for changing the base station apparatus to a radio unit stop status. | 06-02-2011 |
20110143660 | MOBILE COMMUNICATION METHOD AND MOBILE STATION - A mobile communication method according to the present invention includes the steps of: transmitting, from a mobile station (UE) to a radio base station (eNB), a connection re-establishment request signal to re-establish the connection between the radio base station (eNB) and the mobile station (UE), when the mobile station (UE) detects a failure in the connection; and transmitting, from the mobile station (UE) to the radio base station (eNB), a connection reconfiguration completion signal notifying that processing corresponding to a connection reconfiguration signal is completed, when the mobile station (UE) receives the connection reconfiguration signal from the radio base station (eNB), and when the connection reconfiguration signal contains a release request of a data radio bearer which is not established between the mobile station (UE) and the radio base station (eNB). | 06-16-2011 |
20110151876 | USER EQUIPMENT, BASE STATION DEVICE, AND MOBILE COMMUNICATION METHOD - User equipment | 06-23-2011 |
20110159873 | MOBILE COMMUNICATION METHOD - In a mobile communication method according to the present invention includes the steps of: transmitting, from a handover source radio base station to a switching center, a handover request including an NCC, a PCI and a K | 06-30-2011 |
20110171962 | MOBILE COMMUNICATION SYSTEM, USER APPARATUS AND METHOD - A disclosed user apparatus is for use in a mobile communication system including a macrocell and a closed cell wherein unspecified users are allowed to access the macrocell and specified users are allowed to access the closed cell. The user apparatus includes a measurement unit configured to measure quality of a signal provided from a camped cell in an idle state at a predefined cycle, a cell search unit configured to measure quality of a signal provided from a neighbour cell at a predefined cell search cycle, and a cell reselection unit configured to reselect a cell depending on the cell search result. A frequency of the macrocell is at least partially identical to a frequency of the closed cell. If the user apparatus resides in the macrocell and a predefined reselection criterion is satisfied, the closed cell adjacent to the camped cell is reselected as a standby cell. The predefined reselection criterion corresponds to a state where the quality of the signal provided from the closed cell has been higher than or equal to the quality of the signal provided from the camped cell by a predefined threshold for more than a predefined reselection duration. | 07-14-2011 |
20110182269 | MOBILE COMMUNICATION METHOD AND MOBILE STATION - A mobile communication method according to the present invention includes the steps of: transmitting, from an LTE-AS function to an EMM function, a reconnection request, when the LTE-AS function detects that an RRC connection is chanted to an idle state; and transmitting, at the EMM function, a service request, when the EMM function receives the reconnection request and detects that the LTE-AS function is in a coverage area. | 07-28-2011 |
20110195706 | MOBILE STATION AND MOBILE COMMUNICATION METHOD - A mobile station UE includes a measurement unit ( | 08-11-2011 |
20110201380 | RADIO BASE STATION AND MOBILE STATION - Provided is a mobile station UE equipped with a broadcast information generation unit ( | 08-18-2011 |
20110207414 | MOBILE STATION, RADIO BASE STATION, AND MOBILE COMMUNICATION METHOD - A mobile station UE includes: a measuring unit which measures the radio quality in a serving cell and a peripheral cell from a radio base station eNB; and a determining unit which determines whether to notify the measurement result. When the mobile station UE is in the discontinuous reception state, the determining unit determines whether to notify the measurement result in accordance with the radio quality in the measured serving cell and the peripheral cell and a parameter for the discontinuous reception state. When the mobile station UE is not in the discontinuous reception state, the determining unit determines whether to notify the measurement result in accordance with the radio quality in the measured serving cell and the peripheral cell and a parameter for the continuous reception state. | 08-25-2011 |
20110211458 | MOBILE STATION, RADIO BASE STATION, AND MOBILE COMMUNICATION METHOD - In a mobile station (UE) according to the present invention, a radio link failure state determination unit determines whether or not the mobile station (UE) is in a radio link failure state, based on a downlink synchronization state and a discontinuous reception state parameter, when the mobile station (UE) is in a discontinuous reception state. The radio link failure state determination unit determines whether or not the mobile station (UE) is in the radio link failure state, based on the downlink synchronization state and a non-discontinuous reception state parameter, when the mobile station (UE) is not in the discontinuous reception state. | 09-01-2011 |
20110230183 | MOBILE STATION - In a mobile station (UE) according to the present invention, an AS function is configured to notify, when detecting a failure in a radio link established with the radio base station is detected or when discovering a cell subject to a location registration by a cell selection process, a NAS function of the detection or the discovery; and the NAS function is configured to transmit, in response to the notification, a location registration request signal to a mobile switching center (MME). | 09-22-2011 |
20110230185 | MOBILE STATION - In a mobile station (UE) according to the present invention, an AS function is configured to notify, when detecting a failure in a radio link established with the radio base station is detected or when discovering a cell subject to a location registration by a cell selection process, a NAS function of the detection or the discovery; and the NAS function is configured to transmit, in response to the notification, a location registration request signal to a mobile switching center (MIME). | 09-22-2011 |
20110235580 | MOBILE COMMUNICATION METHOD AND MOBILE STATION - A mobile communication method according to the present invention includes the steps of: establishing a first radio link between the “LTE-AS” and the eNB in response to the “Service Request” received from the “EMM”; transmitting, from the “UMTS-AS” to the “MM/GMM”, the “reconnect request”, after the completion of the switching process from the mobile communication system of the LTE scheme to the mobile communication system of the UMTS scheme, when the “LTE-AS” detects RLF within a first predetermined period after receiving the switching command instructing performance of the switching process; and not transmitting, from the “MM/GMM” to the “UMTS-AS”, the “Service Request” responding to the “reconnect request”, when the mobile station UE has not performed a packet communication in the mobile communication system of the LTE scheme before a start of the switching process. | 09-29-2011 |
20110237245 | MOBILE STATION - In a mobile station (UE) according to the present invention, an AS function is configured to notify, when detecting a failure in a radio link established with the radio base station is detected or when discovering a cell subject to a location registration by a cell selection process, a NAS function of the detection or the discovery; and the NAS function is configured to transmit, in response to the notification, a location registration request signal to a mobile switching center (MME). | 09-29-2011 |
20110255508 | MOBILE STATION AND MOBILE COMMUNICATION METHOD - A mobile station according to the present invention includes: a communication unit ( | 10-20-2011 |
20110261772 | MOBILE COMMUNICATION SYSTEM - In a mobile communication system according to the present invention, a radio base station (eNB) is configured to transmit broadcast information including a parameter to which a frequency bandwidth used in the mobile communication system is set; a mobile station (UE# | 10-27-2011 |
20110263245 | MOBILE STATION AND MOBILE COMMUNICATION METHOD - In a mobile station (UE) according to the present invention, when a synchronization state determination unit notifies that a downlink synchronization state is a non-synchronization state; (1) when a first timer has expired, and when a second timer is being activated, a radio link failure state determination unit is configured to stop the second timer, and to determine that a current state is a radio link failure state; (2) when the first timer is being activated, and when the second timer is being activated, the radio link failure state determination unit is configured to stop the second timer; or (3) when the first timer is not being activated, the radio link failure state determination unit is configured to start the first timer. | 10-27-2011 |
20110281612 | MOBILE STATION AND RADIO BASE STATION - A mobile station including a transmission power determining unit configured to determine a transmission power in an uplink shared channel, in accordance with a maximum transmission power value corresponding to power class of the mobile station, the number of resource blocks for the uplink shared channel, path loss between the mobile station and a radio base station which is a connection destination of the uplink shared channel, and transmission power control information received from the radio base station, where when receiving a maximum allowable transmission power value from the radio base station, the transmission power determining unit is configured to determine transmission power in the uplink shared channel, using the maximum allowable transmission power value instead of the maximum transmission power value corresponding to the power class of the mobile station. | 11-17-2011 |
20110287800 | MOBILE COMMUNICATION METHOD, MOBILE STATION, AND NETWORK DEVICE - A mobile communication method according to the present invention includes a step of a mobile station UE transmitting a connection setup request signal containing a radio access capability of the mobile station eNB to a radio network controller RNC of a UMTS scheme, upon detecting a predetermined trigger while camping on in a cell of the first communication scheme, a step of the radio network controller RNC of the UMTS scheme transmitting an instruction signal for instructing setup of a connection in a cell of an LTE scheme to the mobile station UE, in a case where the radio access capability of the mobile station UE is contained in the received connection setup request signal, and a step of the mobile station UE setting up the connection in the cell of the LTE scheme in response to the received instruction signal. | 11-24-2011 |
20110292790 | MOBILE COMMUNICATION METHOD AND RADIO BASE STATION - A mobile communication method involving performing, at a mobile station UE which establishes a first connection in a first cell, a cell selection process at the time of detecting a failure in the first connection, transmitting, from the mobile station UE to a second cell selected in the cell selection process, a connection re-establishment request signal, determining, at a radio base station that manages the second cell, whether or not to store context information of the mobile station UE in response to the connection re-establishment request signal, acquiring, at the radio base station, the context information of the mobile station UE from a radio base station that manages the first cell, when determining that the context information of the mobile station UE is not stored, and establishing a second connection in the second cell for the mobile station UE, based on the context information of the mobile station UE. | 12-01-2011 |
20110299465 | MOBILE COMMUNICATION METHOD AND RADIO BASE STATION - A mobile communication method according to the present invention includes performing, at a mobile station UE which establishes a first connection in a first cell, a cell selection process at the time of detecting a failure in the first connection and transmitting, from the mobile station UE to a second cell selected in the cell selection process, a connection re-establishment request signal. The method includes determining, at a radio base station that manages the second cell, whether or not to store context information of the mobile station UE in response to the connection re-establishment request signal and acquiring, at the radio base station, the context information of the mobile station UE from a radio base station that manages the first cell, and establishing a second connection in the second cell for the mobile station UE, based on the context information of the mobile station UE. | 12-08-2011 |
20120002554 | TEST METHOD AND TEST DEVICE - A test method according to the present invention includes: a first step of determining whether or not the mobile station detects the problem in a radio link state, when a radio quality is changed from a first state where the radio quality is equal to or more than a first threshold value to a second state where the radio quality is equal to or less than the first threshold value; and a second step of determining whether or not the mobile station does not detect the problem in a radio link state, when the radio quality is changed to a third state where the radio quality is equal to more than a second threshold value, after a lapse of a first time interval from a time point at which the radio quality is changed from the first state to the second state. | 01-05-2012 |
20120009936 | MOBILE COMMUNICATIONS SYSTEM, UPPER-LAYER NODE APPARATUS, BASE STATION APPARATUS, MOBILE STATION APPARATUS, AND BASE STATION STATUS CONTROL METHOD - A mobile communications system is disclosed. The mobile communications system includes a unit which is provided at an upper-layer node apparatus and which obtains location information of a base station apparatus and one or more mobile station apparatuses; a unit which is provided at the upper-layer node apparatus and which checks whether the mobile station apparatus is authorized to connect to the base station apparatus; a unit which is provided at the upper-layer node apparatus and which calculates a proximity of the base station apparatus and the mobile station apparatus based on the location information of the base station apparatus and the mobile station apparatus; and a unit which is provided at the upper-layer node apparatus and which moves the base station apparatus to a service status when the base station apparatus and the mobile station apparatus are in proximity and moves the base station apparatus to a radio unit stop status when all the mobile station apparatuses are not in proximity with the base station apparatus. | 01-12-2012 |
20120076084 | MOBILE COMMUNICATION METHOD AND RADIO BASE STATION - A mobile communication method according to the present invention includes a step of: (A) transmitting, from a macro radio base station (MBS) to a femto radio base station (FBS), scheduling information notifying a radio resource assigned for transmitting a predetermined signal in a first cell under the control of the macro radio base station (MBS), a radio resource that can be used in a second cell under the control of the femto radio base station (FBS), or a radio resource that cannot be used in the second cell under the control of the femto radio base station (FBS). | 03-29-2012 |
20130223327 | MOBILE COMMUNICATION SYSTEM AND RADIO BASE STATION - A mobile communication system according to the present invention is configured such that a relay node RN is configured to time-share a subframe for transmission and reception in a Un interface and a subframe for transmission and reception in a Uu interface, and a radio base station DeNB is configured to transmit SI, which is to be transmitted in a subordinate cell, to the relay node RN via individual signaling. | 08-29-2013 |