Patent application number | Description | Published |
20080200200 | Transmission Power Control Method And Mobile Station - The present invention enables to reduce deterioration in the radio network capacity on the E-DPCCH, by using the transmission power offset as small as possible while satisfying a quality of the E-DPCCH in a conventional mobile communication system using “EUL”. The present invention relates to a transmission power control method for controlling a transmission power of an uplink control channel (E-DPCCH) at a mobile station UE, including: measuring, at a radio base station Node B, a reception quality of a control signal received through the uplink control channel (E-DPCCH); notifying, at the radio base station Node B, the measurement result to a radio network controller RNC; determining, at the radio network controller RNC, a transmission power offset of the uplink control channel (E-DPCCH) based on the measurement result and notifying the determined transmission power offset to the mobile station UE; and controlling, at the mobile station UE, the transmission power of the uplink control channel (E-DPCCH) by using the transmission power offset. | 08-21-2008 |
20080207216 | Transmission Speed Control Method, Mobile Station, and Radio Line Control Station - The present invention relates to a transmission rate control method for controlling a transmission rate of user data to be transmitted via an uplink by a mobile station. When a serving cell, which performs a scheduling control in an uplink of the mobile station, is configured to transmit, to the mobile station, an absolute rate allocation channel for indicating a maximum allowable transmission rate which is common in the serving cell, and the mobile station is configured to determine the transmission rate of the user data based on the absolute rate allocation channel, a non-serving cell other than the serving cell does not transmit a relative rate allocation channel for adjusting the maximum allowable transmission rate. | 08-28-2008 |
20080207243 | Transmission Power Control Method, Mobile Station, Radio Base Station, and Radio Line Control Station - The present invention relates to a transmission power control method which controls a transmission power of uplink user data for transmitting an uplink user data from a mobile station to a radio base station. The transmission power control method according to the present invention includes: transmitting, from the mobile station to the radio base station, a transmission data block which includes control information periodically, even when user data to be transmitted has not existed in a transmission buffer of the mobile station; notifying, at the radio base station, the number of retransmissions of the transmission data block, to a radio network controller; determining, at the radio network controller, a target SIR of a dedicated physical control channel in the radio base station based on the notified number of retransmissions and notifying the determined target SIR to the radio base station; controlling, at the radio base station, a transmission power of the dedicated physical control channel in the mobile station based on the notified target SIR; and determining, at the radio network controller, a transmission wave amplitude ratio between the uplink user data channel and the dedicated physical control channel based on the notified number of retransmissions and notifying the determined transmission wave amplitude ratio to the mobile station. | 08-28-2008 |
20080214123 | Transmission Rate Control Method and Mobile Station - To control QoS for each mobile station UE while minimizing the affect on radio capacity in the downlink, a transmission rate control method of the present invention comprises: receiving, at a mobile station, a common absolute transmission rate control signal used for a common transmission rate control and a dedicated relative transmission rate control signal used for a dedicated transmission rate control; and setting, at the mobile station, a higher one of a first transmission rate indicated by the common absolute transmission rate control signal and a second transmission rate determined based on the dedicated relative transmission rate control signal, as a transmission rate in an uplink. | 09-04-2008 |
20080214226 | Wireless Communication Control System, Radio Base Station, and Wireless Communication Control Method - A radio communication control system ( | 09-04-2008 |
20080225817 | Receiving Apparatus, Transmitting Apparatus, Communication System and Communication Method - An acquiring unit ( | 09-18-2008 |
20080247347 | Mobile Communication System and Control Device - The present invention can improve a reception quality of mobile stations and utilize radio resources effectively, by resolving the problem caused when the conventional multicast communications system. The present invention relates to a radio communications system for transmitting same data to a plurality of cells via at least one base station and performing a soft combining or a selective combining on the same data received by a mobile station. The radio communications system includes a controlling unit configured to set up a cycle at which synchronization processing on transmission timing of the same data among the plurality of cells is performed, or an accuracy by which the synchronization processing is performed, for each control apparatus which performs the synchronization processing. | 10-09-2008 |
20080261606 | Transmission Rate Control Method, Mobile Station and Radio Network Controller - The present invention can flexibly adjust trade-off between the radio network capacity and the radio quality by changing decrease stop of uplink user data in accordance with the congestion of uplink or the uplink user data type. A transmission rate control method according to the present invention includes the steps of; notifying, at a radio network controller RNC, a decrease pattern of the transmission rate of the uplink user data to a mobile station UE, when setting, with the mobile station UE, a user data channel connection for transmitting the uplink user data; and decreasing, at the mobile station UE, the transmission rate of the uplink user data in accordance with the decrease pattern, when receiving, from a radio bass station Node B, a relative rate control channel RGCH for indicating that the transmission rate of the uplink user data should be decreased. | 10-23-2008 |
20080285516 | Transmitting Method, Receiving Method, Radio Base Station, and Mobile Station - A transmission method according to the present invention includes: concatenating CRC masking data and receiver identification information for identifying the receiver; generating CRC check bits by performing a CRC encoding processing against non-CRC masking data; masking the CRC check bits by the concatenated receiver identification information and CRC masking data; concatenating the masking result and the non-CRC masking data; generating a transmission signal by performing an FEC encoding processing against the concatenated masking result and the non-CRC masking data, which are added; and transmitting the transmission signal to the receiver. | 11-20-2008 |
20080318582 | Radio Control Device, Mobile Station, and Mobile Communication Method - A radio network controller | 12-25-2008 |
20090036129 | BASE STATION AND DATA TRANSFER METHOD - A base station according to the present invention includes: a data storage unit | 02-05-2009 |
20090042571 | MOBILE STATION AND FEEDBACK INFORMATION GENERATING METHOD - The present invention provides a mobile station for communicating with a radio base station wherein a closed loop transmit diversity for transmission with use of a plurality of antennas is applied to the radio base station, comprising: a feedback information control unit controlling a feedback information control process based on the number of radio base stations simultaneously communicating with the mobile station. The mobile station can generate feedback information suitable for a shared physical channel in an intra-cell handover. On the other hand, the mobile station can generate feedback information suitable for a dedicated physical channel in an inter-cell handover. | 02-12-2009 |
20090052407 | WIRELESS BASE STATION AND METHOD FOR TRANSMITTING DATA COMMON TO USERS - A radio base station transmits user common data provided from a user common data control apparatus connected to a communication network to a plurality of mobile stations by radio. The radio base station includes a frame loss detection unit configured to detect loss of user common data that occurs on a transmission route between the radio base station and the user common data control apparatus, and a timing adjustment unit configured to change transmission timing of the user common data for the mobile station according to the loss of the user common data. | 02-26-2009 |
20090059835 | CENTRAL NODE, BASE STATION, MOBILE STATION, AND DATA TRANSMISSION METHOD - A disclosed base station includes a grouping unit configured to categorize mobile stations that are in the coverage area of the base station and in a multicast group into groups; and a content transmission unit configured to determine radio parameters for content based on at least supported frequency bands or transmission rates of the mobile stations in the respective groups and an available frequency band or a transmission rate of the base station and to transmit the content received from an upper node to the multicast group. | 03-05-2009 |
20090061874 | BASE STATION, MOBILE COMMUNICATION SYSTEM, AND MOBILE COMMUNICATION CONTROL METHOD - A target base station transmits a traffic assignment signal a plurality of times to a control station for notifying a traffic amount of downlink data that can be processed by the target base station, after a notified cell change timing in which the mobile station changes a communicating base station. | 03-05-2009 |
20090067376 | PACKET TRANSMISSION CONTROL DEVICE, AND PACKET TRANSMISSION CONTROL METHOD - A disclosed packet transmission control apparatus that controls packet transmission to plural radio terminals includes a priority determination portion that determines a packet assignment priority in accordance with at least one of presence/absence of retransmission data and the number of data transmissions, and a radio terminal selection portion that selects a radio terminal to be a communications party in accordance with the priority. | 03-12-2009 |
20090069017 | Mobile communication system, mobile station, and radio base station - When an HSDPA and an Enhanced Uplink are applied, a dedicated physical channel, a high speed dedicated physical control channel, and an enhanced dedicated physical control channel are made to follow only a TPC bit of a serving cell; and when a received power of an enhanced dedicated physical data channel is large, a non-serving cell instructs a mobile station UE to reduce the transmission rate of the enhanced dedicated physical data channel so that an interference power from an adjacent cell in an uplink is controlled while communication quality in a downlink is prevented from deteriorating. | 03-12-2009 |
20090073927 | COMMUNICATION CONTROL APPARATUS AND COMMUNICATION CONTROL METHOD - A communication control apparatus ( | 03-19-2009 |
20090088134 | MOBILE STATION, RADIO ACCESS NETWORK APPARATUS MOBILITY SWITCHING STATION, MOBILE COMMUNICATION SYSTEM, AND COMMUNICATION SERVICE ACCESS METHOD - In order to decrease delay time until data sending and receiving for a mobile station that is registered and that is in an idle state, the system is configured such that, when the mobile station issues a request of a communication service, the mobile station specifies a requesting QoS identifier, and launches a validity verification procedure for the service request, and a procedure of a security mode setup is completed along with a response to the service request, and channel information assigned to the mobile station is reported. | 04-02-2009 |
20090088173 | CHANNEL ALLOCATION DEVICE AND CHANNEL ALLOCATION METHOD - The logical channels are made to include a logical channel for control and a logical channel for data transmission, the radio physical channel are made to be commonly used for a plurality of logical channels, and one logical channel is made to have a correspondence relationship with one radio physical channel, and the channel assignment apparatus includes: traffic monitoring detection means that detects occurrence of traffic of the logical channels; and logical channel assignment means that, according to occurrence of the traffic of the logical channels, sequentially assigns required resources on the radio physical channel to the logical channels, so that the object is achieved. | 04-02-2009 |
20090116424 | TRANSMISSION CONTROL METHOD, MOBILE STATION, AND RADIO BASE STATION - A packet communication method according to the present invention includes: transmitting, at a mobile station, a random access request that includes mobile station information assigned to the mobile station, to a radio base station through a random access channel allocated to a predetermined radio resource; receiving, at the radio base station, the random access request from the mobile station; and transmitting, at the radio base station, a random access response signal that notifies the receipt of the random access request and includes the mobile station information, to the mobile station through a downlink shared control channel corresponding to the random access channel. | 05-07-2009 |
20090116433 | DATA TRANSMITTING SYSTEM, COMMUNICATION NODE AND DATA TRANSMITTING METHOD - The present invention provides a data transmission system where MBMS data are transmitted to a mobile station in synchronization among multiple base stations without use of any central control node for controlling the multiple base stations. The data transmission system includes a communication node managing user common data, one or more radio base stations coupled to the communication node and one or more mobile stations. In the system, each of the one or more base stations is synchronized with absolute time commonly used by the base stations. The communication node includes a reception unit receiving the user common data for one or more users from a provider and a determination unit determining through communications with the one or more base stations a transmission timing when the one or more base stations transmit the user common data to the mobile stations. | 05-07-2009 |
20090117853 | MOBILE STATION, WIRELESS ACCESS NETWORK APPARATUS, MOBILE COMMUNICATION SYSTEM, AND INFORMATIVE INFORMATION TRANSMITTING/RECEIVING METHOD - A mobile station for establishing a signaling control channel and a shared data channel between a radio access network apparatus and the mobile station to perform communication includes discontinuous reception means configured to perform discontinuous reception of broadcast information using the signaling control channel, shared data channel reception determination means configured to determine whether to receive the shared data channel based on an item of broadcast information and information indicating presence or absence of change of content corresponding to the item of the broadcast information that are transmitted by the signaling control channel, and shared data channel reception means configured to receive the shared data channel according to the determination. | 05-07-2009 |
20090117904 | MOBILE STATION AND HANDOVER CONTROL METHOD - A mobile station according to the present invention includes: a radio quality measurement unit | 05-07-2009 |
20090124196 | MULTIMEDIA CONTENT PROVIDING METHOD AND MOBILE STATION - The present invention effectively controls a reception of a multimedia content from a MBMS bearer service based on a priority level associated with each of the MBMS bearer service which transmits a plurality of the multimedia contents. A multimedia content providing method according to the present invention provides a multimedia content to a plurality of mobile stations by a broadcast communication or a multicast communication, and includes the steps of: suspending, at the mobile station, a reception of a multimedia content from a low priority bearer service having a lower priority level than a desired bearer service, when a reception of a multimedia content from the desired bearer service is started while a multimedia content from a maximum receivable number of a bearer service or a multimedia content from a predetermined number of a bearer service is being received; and restarting, at the mobile station, the suspended reception of the multimedia content from the low priority bearer service, after the reception of the multimedia content from the desired bearer service is completed. | 05-14-2009 |
20090154404 | PACKET COMMUNICATION METHOD, MOBILE STATION, AND RADIO BASE STATION - A packet communication method includes: transmitting, from a mobile station to a radio base station through a random access channel, a random access request; allocating, at a radio base station, a packet access request transmission radio resource for transmitting, at the mobile station, a packet access request for requesting an initiation of a packet communication, from among radio resources allocated to uplink shared channels, in response to a receipt of the random access request; transmitting, at the radio base station, a response for notifying the receipt of the random access request and for notifying the packet access request transmission radio resource, to the mobile station through at least one of a downlink shared data channel and a downlink shared control channel corresponding to the random access channel; and transmitting, at the mobile station, the packet access request by using the packet access request transmission radio resource notified by the response. | 06-18-2009 |
20090154592 | DATA TRANSMITTING SYSTEM, DATA TRANSMITTING METHOD AND BASE STATION - A base station used in a packet transmission system in which shared user data to be selectively received by a user are transmitted using a shared data channel from one or more base stations to one or more mobile stations is provided. The base station includes means configured to provide user control data associated with transmission of the shared user data; means configured to provide notification data that include notification information used to select the shared user data and group identification information for specifying the notification information; and means configured to generate an associated control channel that is associated with the shared data channel and includes the user control data and the notification data, the associated control channel and the shared data channel being transmitted from the base station to the mobile station. The generated associated control channel is transmitted from the base station to the mobile stations. | 06-18-2009 |
20090156212 | DATA TRANSFER METHOD AND BASE STATION - A data transfer method according to the present invention transfers user data of a mobile station from a handover source base station to a handover target base station through a transmission path, when the mobile station performs a handover. The data transfer method according to the present invention includes: determining, at the handover source base station, a priority order of the user data; determining, at the handover source base station, a transfer speed of the user data based on the priority order; and transferring, at the handover source base station, the user data to the handover target base station based on the determined transfer speed. | 06-18-2009 |
20090161539 | SIGNAL TRANSMISSION METHOD AND BASE STATION IN MOBILE COMMUNICATION - A signal transmission method checks, when detecting an occurrence of a communication request, whether the communication request is a high speed communication (step S | 06-25-2009 |
20090170513 | MOBILE STATION, RADIO ACCESS NETWORK APPARATUS AND RESOURCE REQUEST METHOD - A mobile station includes an identifier selection unit selecting one identifier among identifiers supplied in advance when the mobile station initiates communications and a connection request signal generation unit generating a connection request signal including the identifier. A radio access network apparatus includes a response signal generation unit, in response to the connection request from the mobile station, generating a response signal including an identifier assigned by a radio access network system and information indicative of an uplink radio resource assigned for the mobile station and a transmission unit transmitting the response signal to the mobile station transmitting the connection request. | 07-02-2009 |
20090170515 | BASE STATION AND HANDOVER CONTROL METHOD - Embodiments of the present invention make it possible to reduce loss and delay of downlink user data transmitted at regular time intervals in a mobile communication system employing a hard handover method, and make it possible to easily perform high-quality handover solely by a handover-starting base station. A base station for transmitting downlink user data at regular time intervals to a mobile station is disclosed. The base station is configured to transmit a handover-command signal immediately after transmitting the downlink user data to the mobile station. | 07-02-2009 |
20090215446 | Mobile Communication System and Mobile Unit - In multiple communication networks operated by different carriers, when a roaming mobile station performs communication with a roaming communication network PLMN, the communication network was able to recognize only the radio capability reported by the mobile station. When the communication network and mobile station differ in radio capability they support, problems arise in that the roaming mobile station sometimes cannot establish a user data channel and its success rate can reduce, and sometimes can operate in an unintended manner. The mobile station has a PLMN decision internal list ( | 08-27-2009 |
20090215484 | WIRELESS COMMUNICATION CONTROL SYSTEM, RADIO BASE STATION AND WIRELESS COMMUNICATION CONTROL METHOD - A radio communication control system controlling a transmission power of a shared control channel for transmitting a control signal to a plurality of mobile stations. The system includes a transmission power lower limit value setting section configured to set a lower limit value of the transmission power of the shared control channel, and to set the transmission power of the shared control channel at the lower limit value when the transmission power of the shared control channel is lower than the lower limit value. | 08-27-2009 |
20090219862 | MOBILE STATION, WIRELESS ACCESS NETWORK APPARATUS, MOBILE COMMUNICATION SYSTEM, AND INTERMITTENT RECEPTION METHOD - A mobile station includes: means that performs discontinuous reception only for a signaling control channel, means that determines presence or absence of traffic data addressed to the own mobile station, and means that, when it is determined that there is traffic data addressed to the own mobile station, receives corresponding shared data channel. A radio access network apparatus includes: means that determines a discontinuous reception state, means that determines a discontinuous reception channel, means that reports the determined discontinuous reception channel to the mobile station, and means that, when transmission data arises, transmits a control signal using the determined discontinuous reception channel and that transmits traffic data using a corresponding shared data channel. | 09-03-2009 |
20090219906 | CHANNEL TRANSMISSION APPARATUS AND CHANNEL TRANSMISSION METHOD - A radio physical channel is available to multiple logical channels commonly, and multiple radio physical control channels are provided concomitantly with the radio physical channel and include a commonly usable common control channel. A channel transmission apparatus includes a logical channel type determination unit determining a type of a logical channel, and a channel transmission unit transmitting an identifier of the UE in the radio physical control channel depending on the type of the logical channel. A scheme of identifying the UE in the radio physical control channel is modified depending on the type of the logical channel. | 09-03-2009 |
20090220079 | CONCEALING DEVICE AND CONCEALING METHOD - A security processing apparatus performs security processing in a MAC layer in a mobile communication system. The apparatus includes a mask generation unit generating a mask by using a security sequence number and a processing unit computing a logical operation on the mask and security target data to generate encrypted data. The security sequence number comprises a hyper frame number and a system frame number. The apparatus performs the security processing by using a transport block (TB) as one unit. The transport block is used as data transmission unit from a MAC layer to a physical layer per the unit time (TTI). Since HFN and SFN are used as the security sequence number, the security sequence number can be used uniformly over all RLC modes, and the out-of-synchronization of HFN can be avoided. | 09-03-2009 |
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 |
20090239538 | BASE STATION AND HANDOVER CONTROL METHOD - A base station includes data storing unit configured to store data addressed to a mobile station transmitted from a transfer route control apparatus, and data transfer unit configured to transfer the data addressed to the mobile station to a handover destination base station according to a request of the data addressed to the mobile station from the handover destination base station, wherein, when the base station receives a handover confirm complete report for reporting handover completion from the handover destination base station, the data storing unit ends storing the data addressed to the mobile station, so that the object is achieved. | 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 |
20090262655 | MOBILE COMMUNICATION SYSTEM, MOBILE STATION, BASE STATION, AND CONTROL CHANNEL ALLOCATION METHOD - A disclosed mobile station includes a storage unit configured to establish a correspondence between an identifier for a downlink Layer-1 control channel associated with a downlink data channel and a physical channel parameter for an uplink Layer-1 control channel and to store the identifier and the physical channel parameter; and a unit configured to determine the physical channel parameter based on the identifier and generate the uplink Layer-1 control channel. A disclosed base station includes a storage unit; a unit configured to measure reception quality based on a signal transmitted from the mobile station, select the physical channel parameter and generate the downlink Layer-1 control channel corresponding to the physical channel parameter; and a transmitting unit configured to transmit control information on the generated downlink Layer-1 control channel. | 10-22-2009 |
20090271679 | RETRANSMISSION CONTROL METHOD AND RECEIVING-END APPARATUS - A retransmission control method according to the present invention includes; transmitting, at a transmitter side apparatus | 10-29-2009 |
20090274124 | PACKET SCHEDULING METHOD, BASE STATION, AND MOBILE STATION IN MOBILE COMMUNICATION SYSTEM - A downlink packet scheduling method is disclosed for a shared channel or a common channel in a mobile communication system between a base station and a mobile station, the method including a step in which the base station determines whether there is a waiting packet to be transmitted to the mobile station other than a current transmission packet; a step in which when it is determined that there is no waiting packet to be transmitted, the base station sets a stop period “t” in which packet transmission is temporarily stopped after the current packet transmission; a step in which the base station transmits information indicating the stop period “t” through a schedule information channel transmitting schedule information of downlink packets; and a step in which the base station stops the packet transmission to the mobile station during the stop period “t” after the current packet transmission. | 11-05-2009 |
20090275333 | RADIO ACCESS NETWORK DEVICE AND PERIPHERAL CELL INFORMATION REPORT METHOD - A radio access network device used in a mobile communication system is disclosed. The radio access network device includes a first cell identifier selection unit configured to select an identifier used as a first cell identifier; a second cell identifier selection unit configured to select identifiers used as second cell identifiers; and a neighboring cell information generating unit configured to generate neighboring cell information including the first cell identifier and the second cell identifiers. | 11-05-2009 |
20090296620 | BASE STATION AND METHOD FOR USE THEREIN - A base station includes a multicast group administration unit administering a multicast group to which a mobile station belongs, a timing determination unit determining an inter-frequency measurement timing when the mobile station measures a signal having a frequency different from a frequency for a residing cell of the mobile station, and a transmission unit transmitting data. The timing determination unit assigns an uniform inter-frequency measurement timing for at least two mobile stations belonging to the same multicast group. The transmission unit transmits data to a mobile station within the multicast so as to avoid the inter-frequency measurement timing. | 12-03-2009 |
20090305704 | HANDOVER CONTROL APPARATUS, MOBILE COMMUNICATION SYSTEM, AND HANDOVER METHOD - A handover control apparatus includes a service determination unit determining a type of a service being communicated with by a mobile station and a handover processing unit performing handover in accordance with either a network initiative type handover procedure or a mobile station initiative type handover procedure based on the determination. If the service being communicated with by the mobile station belongs to a communication quality guaranteed type service, the handover is performed in accordance with the network initiative type handover procedure. | 12-10-2009 |
20090323597 | CONTROL CHANNEL ALLOCATION APPARATUS, MOBILE COMMUNICATIONS SYSTEM, AND CONTROL CHANNEL ALLOCATION METHOD - A control channel allocation apparatus includes a memory portion that stores an identifier indicating a layer 1 control channel associated with a downlink data channel, and a physical channel parameter for transmitting an uplink layer 1 control channel, the identifier being related to the physical channel parameter; a physical layer parameter determination portion that determines the physical channel parameter for transmitting the uplink layer 1 control channel in accordance with the identifier; a layer 1 control channel generation portion that generates a layer 1 control channel indicating a decoding result of a data channel, in accordance with the determined physical channel parameter; and a transmission portion that transmits the generated layer 1 control channel. | 12-31-2009 |
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 |
20100034174 | BASE STATION APPARATUS AND COMMUNICATION CONTROL METHOD - The object is achieved by a base station apparatus performing communications with mobile stations transmitting an uplink signal based on a frequency division multiple access scheme, the base station apparatus being provided with a unit for calculating an uplink interference wave level IoT and receive quality SIR of a pilot signal based on an uplink reference signal. | 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 |
20100048214 | WIRELESS LINE CONTROL STATION, BASE STATION, MOBILE STATION, MOBILE COMMUNICATION SYSTEM AND MOBILE COMMUNICATION METHOD - A radio network controller includes: a determination unit configured to determine a transmit diversity method to be used to transmit a signal from a base station to a mobile station, in accordance with a soft handover status of the mobile station; and an instruction/notification unit configured to instruct the transmit diversity method to the base station, in accordance with the determination result by the determination unit. | 02-25-2010 |
20100056164 | WIRELESS ACCESS CONTROL APPARATUS, MOBILE STATION AND METHOD - A radio access network apparatus includes: a discontinuous reception management unit configured to manage a reception state (a discontinuous reception state or a continuous reception state) for each of one or more mobile stations; a determination and announcement unit configured to determine and announce a correspondence relationship between a discontinuous reception channel and a shared data channel for each mobile station; and a scheduling unit configured to perform scheduling of a downlink shared data channel, wherein, when a paging signal to the mobile station in the discontinuous reception state occurs, the radio access network apparatus transmits the paging signal to the mobile station using the shared data channel determined based on the correspondence relationship. | 03-04-2010 |
20100062774 | HANDOVER METHOD AND RADIO BASE STATION - A handover method according to the present invention includes the steps of: forwarding, at a handover-source radio base station (eNB), user data (A) for a mobile station (UE) to a handover-target radio base station (eNB) when it is determined that a handover processing is to be performed, the user data (A) being stored in the handover-source radio base station (eNB); activating, at the handover-target radio base station, a predetermined timer when transmitting a path switch request to a path control apparatus, and storing second user data for the mobile station received from the path control apparatus until the predetermined timer expires; and forwarding, at the handover-target radio base station, the stored second user data to the mobile station after the predetermined timer expires. | 03-11-2010 |
20100062799 | MOBILE COMMUNICATION SYSTEM, BASE STATION, MOBILE STATION, AND COMMUNICATION CONTROL METHOD - A mobile communication system including a base station and a mobile station for communicating with the base station includes a control unit configured to perform uplink transmission power control based on a type of a frequency-adjacent system. | 03-11-2010 |
20100069076 | MOBILE STATION, RADIO BASE STATION, MOBILE COMMUNICATION SYSTEM, AND METHOD OF TRANSMITTING AND RECEIVING BROADCAST INFORMATION - A radio base station for establishing a signaling control channel and a shared data channel for a mobile station and communicating with the mobile station includes a broadcast information generating unit configured to generate broadcast information including one or more information blocks; a scheduling information generating unit configured to generate scheduling information for the one or more information blocks; and a broadcast information transmitting unit configured to transmit the scheduling information as part of the broadcast information. | 03-18-2010 |
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 |
20100086070 | USER APPARATUS, BASE STATION APPARATUS, MOBILE COMMUNICATION SYSTEM AND COMMUNICATION CONTROL METHOD - A user apparatus that communicates with a base station apparatus in a mobile communication system includes: a plurality of antennas; a selection unit configured to select an antenna according to a frequency; and a reception unit configured to receive a signal using the antenna selected by the selection unit. The selection unit selects all of the plurality of antennas when the frequency is greater than a predetermined threshold (1 GHz, for example), and the selection unit selects one of the plurality of antennas when the frequency is not greater than a predetermined threshold. | 04-08-2010 |
20100087200 | BASE STATION APPARATUS AND COMMUNICATIONS CONTROL METHOD - The base station apparatus calculates the number of the mobile stations associated with a consumption amount of radio resources, and carries out call admission control in accordance with the number of the mobile station. The base station apparatus includes a calculation section that calculates the number of the mobile stations having data to be transmitted in a transmission buffer, and a call admission section that carries out new call admission in accordance with the number of the mobile stations. | 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 |
20100113022 | MOBILE COMMUNICATION METHOD, RADIO BASE STATION AND UPPER NODE - An upper node and a handover source radio base station store setup information on an access bearer having been set up between the upper node and the handover source radio base station. A mobile communication method according to the present invention includes the steps of: (A) informing, from the handover source radio base station to a handover target radio base station, the access bearer setup information; (B) storing, at the handover target radio base station, the access bearer setup information informed of by the handover target radio base station; and (C) setting up, at the upper node, an access bearer between the upper node and the handover target radio base station by using the stored access bearer setup information without performing reallocation processing of new access bearer setup information, the access bearer being set up in response to a path switching request from the handover target radio base station. | 05-06-2010 |
20100118805 | MOBILE COMMUNICATIONS SYSTEM, BASE STATION APPARATUS, USER APPARATUS, AND METHOD - A user apparatus which wirelessly communicates with a base station apparatus within a mobile communications system is disclosed. The user apparatus includes a receive unit which receives control information in downlink; and a transmit unit which transmits a first channel in uplink, wherein the transmit unit, based on the control information, makes a value of a maximum transmit power of the first channel smaller than that of a nominal power specified for the mobile communications system. | 05-13-2010 |
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 |
20100165950 | MOBILE STATION, BASE STATION, AND CELL SELECTION METHOD - In a disclosed method, a mobile station determines whether handover is intra-base-station based on a received signal; the mobile station sends a handover request indicating the determination result to a base station; the base station determines whether the handover is intra-base-station or inter-base-station based on the handover request; and the base station performs an intra-base-station handover process based on a CQI reception level threshold for intra-base-station handover if the handover is intra-base-station. | 07-01-2010 |
20100188985 | MOBILE STATION, RADIO ACCESS NETWORK APPARATUS AND MOBILITY CONTROL METHOD - A mobile station includes a radio channel condition evaluation unit evaluating a radio channel condition; a radio channel condition averaging unit averaging the evaluated radio channel condition over a predefined time period; a radio channel condition threshold storage unit storing a threshold of the radio channel condition and a message type, the threshold and the message type being specified by a radio access network apparatus; a radio channel condition comparison unit comparing the averaged radio channel condition with the threshold; and a radio channel condition reporting unit transmitting an identifier and the radio channel condition for a cell to the radio access network apparatus, the averaged radio channel condition of the cell being greater than or equal to the threshold. A radio access network apparatus includes a radio channel condition threshold reporting unit transmitting a threshold of a reception level and information indicative of a reporting message type; a communicating cell switch unit instructing a communicating cell to be switched based on a radio channel condition supplied from a mobile station; and a mobile station identifier reporting unit transmitting a mobile station identifier for use in a destination cell based on the radio channel condition supplied from the mobile station. | 07-29-2010 |
20100208628 | MOBILE STATION, WIRELESS ACCESS NETWORK DEVICE, MOBILE COMMUNICATION SYSTEM, AND COMMUNICATION METHOD - A mobile communication system for performing two-way communication between a mobile station and a wireless access network apparatus. The mobile station comprises a connection setup signal reception timing calculating part that calculates the reception timing of a connection setup signal when a connection request signal is transmitted; and a connection setup signal determining part that determines, in accordance with the reception timing, whether the connection setup signal is received, and then performs, based on that determination, a reception process. The wireless access network apparatus comprises a connection setup signal scheduling part that performs, based on the reception timing of the connection request signal, a transmission assignment of the connection setup signal when the connection request signal is received from the mobile station; a connection setup signal creating part that creates the connection setup signal addressed to the mobile station; and a connection setup signal transmitting part that transmits, based on the transmission assignment, the connection setup signal. | 08-19-2010 |
20100220652 | BASE STATION APPARATUS AND COMMUNICATION CONTROL METHOD - A base station apparatus to be used for a mobile communication system capable of providing communications using plural frequency carriers is disclosed. The base station apparatus includes a frequency carrier selection unit selecting one of a first frequency carrier and a second frequency carrier as a frequency carrier to be used for the communications based on at least one of a service type of the communications and a congestion degree of the communications, the first frequency carrier being used for communications based on allocation in which radio resources are dynamically allocated, the second frequency carrier being used for communications based on allocation in which the radio resources are allocated at every predetermined period. | 09-02-2010 |
20100234029 | MOBILE COMMUNICATION METHOD, MOBILE EXCHANGE STATION, RADIO BASE STATION AND MOBILE STATION - A mobile communication method according to the present invention includes: transmitting, from a mobile station ( | 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 |
20100297998 | MOBILE COMMUNICATION METHOD AND RADIO BASE STATION - A radio base station (T-eNB) according to the present invention is configured to set up a data forwarding tunnel for forwarding user plane data to the radio base station (T-eNB) only for an access bearer for which the user plane data to be forwarded exists, when receiving a notification from a handover-source radio base station (S-eNB) as to whether or not the user plane data to be forwarded exists for each access bearer, the notification being made by using a handover request message for the mobile station (UE), and the access bearer being set up between the radio base station (T-eNB) and a upper level node (SGW); and | 11-25-2010 |
20100309840 | RADIO COMMUNICATION APPARATUS AND RADIO COMMUNICATION METHOD USED IN MOBILE COMMUNICATION SYSTEM - A disclosed radio communication apparatus includes a unit receiving a broadcast channel including a system frame number (SFN), a control channel including a process number (Proc) and a new data identification, and a user data channel including a sequence number; a unit detecting whether a received first packet includes an error and reporting the detection result indicating ACK or NACK to a transmitter side; a unit detecting whether the control channel has not been correctly received in the past based on the process number and the new packet identification information of a second packet transmitted after the first packet; and a unit reporting an indicator including the SFN at which the second packet is transmitted to the transmitter side, so that a packet is re-transmitted, the packet being transmitted to the radio communication apparatus by a preceding SFN that precedes an SFN at which the second packet is transmitted. | 12-09-2010 |
20100331034 | MOBILE COMMUNICATION METHOD, MOBILE EXCHANGE STATION, RADIO BASE STATION AND MOBILE STATION - A mobile communication method according to the present invention includes: notifying, from a network node ( | 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 |
20110019642 | HANDOVER CONTROLLING METHOD, RADIO BASE STATION, AND MOBILE STATION - A radio base station ( | 01-27-2011 |
20110021199 | 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. | 01-27-2011 |
20110026486 | LOCATION INFORMATION ACQUISITION METHOD AND MOBILE STATION - Provided is a mobile communication method including: a step in which a first radio base station S-eNB transmits a handover instruction which instructs a mobile station UE performing communication via a first cell under control of a first radio base station SeNB, so as to perform a handover to a second cell under control of a second radio base station TeNB; a step in which the mobile station UE performs a handover from the first cell to the second cell in accordance with the handover instruction; a step in which the mobile station UE acquires a global cell ID which can uniquely identify a second cell in at least one mobile communication system; and a step in which the mobile station UE reports a global cell ID which can uniquely identify the acquired second cell, to a position information management server. | 02-03-2011 |
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 |