Patent application number | Description | Published |
20090279477 | MOBILE STATION, WIRELESS ACCESS NETWORK APPARATUS, AND MOBILE COMMUNICATION SYSTEM - A mobile station, a radio access network apparatus and a mobile communication system that can decrease signal amount of each message to decrease connection delay are provided. The mobile station is provided with storing means configured to store a conversion table between a combination of a plurality of parameters defined beforehand and an identifier representing the combination of the plurality of parameters; uplink transmission signal generation means configured to generate an uplink transmission signal including the identifier when performing uplink transmission; transmission means configured to transmit the uplink transmission signal to the radio access network apparatus; reception means configured to receive a downlink transmission signal transmitted by the radio access network apparatus; and parameter setting means configured to detect the identifier from the received downlink transmission signal, read and set a parameter based on the identifier. | 11-12-2009 |
20140235256 | RADIO COMMUNICATION SYSTEM, RADIO BASE STATION APPARATUS, MACHINE COMMUNICATION TERMINAL AND RADIO COMMUNICATION METHOD - The present invention is designed to make it possible to reduce the cost required for a machine communication terminal when the network domain of the machine communication system employs an LTE system. With the radio communication method of the present invention, a radio base station apparatus allocates downlink signals to a machine communication terminal in a predetermined cycle and transmits the allocated downlink signals to the machine communication terminal, and the machine communication terminal receives downlink signals from the radio base station apparatus in the predetermined cycle and demodulates the downlink signals received in the predetermined cycle. | 08-21-2014 |
20140369223 | COMMUNICATION SYSTEM, BASE STATION APPARATUS, MOBILE TERMINAL APPARATUS AND COMMUNICATION METHOD - The present invention is designed to detect an S-cell efficiently, in a short time, upon carrier aggregation in a HetNet. In a communication system where carrier aggregation is executed between a first carrier (CC #1) and a second carrier (CC #2), a macro base station apparatus ( | 12-18-2014 |
20150023268 | MOBILE COMMUNICATION METHOD, RADIO BASE STATION, AND MOBILE STATION - An objective is to improve communication quality by reducing an insertion loss or the like of a diplexer inserted to reduce a leakage from an uplink band to a downlink band in different bands. A mobile communication method according to the present invention includes the steps of: transmitting simultaneous transmission capability information from a mobile station UE to a radio base station eNB, the simultaneous transmission capability information indicating whether or not the mobile station UE can transmit uplink data signals via multiple carriers in the same sub-frame while performing uplink CA; performing scheduling for the mobile station UE by the radio base station eNB on the basis of the simultaneous transmission capability information; and performing communication by the mobile station UE on the basis of the scheduling information. | 01-22-2015 |
20150036651 | RADIO COMMUNICATION TERMINAL, BASE STATION APPARATUS, RADIO COMMUNICATION SYSTEM AND RADIO COMMUNICATION METHOD - The present invention is designed to provide a radio communication terminal, a base station apparatus, a radio communication system and a radio communication method which can reduce the cost to be required for an MTC terminal when the LTE system is employed in the network domain of a machine communication system. A radio communication terminal according to the present invention is a radio communication terminal that performs machine communication via a base station apparatus of a radio communication system that is operated such that a frequency becomes the first band at a maximum, depending on the performance which a communication device supports, and has a receiving section that has receiving performance to be able to support the first band, and that decodes the entire band of the first band at least with respect to a time domain where a downlink control channel is allocated, and a transmission section that has transmission performance to be able to support a second band having a narrower bandwidth than the first band, and that allocates an uplink control channel and an uplink data channel to the second band. | 02-05-2015 |
Patent application number | Description | Published |
20100002595 | MOBILE STATION, BASE STATION, AND METHOD OF REPORTING WIRELESS CHANNEL QUALITY - A disclosed mobile station includes a wireless channel quality measuring unit configured to measure wireless channel quality; a wireless channel quality determining unit configured to determine to report the wireless channel quality to a base station if the wireless channel quality is greater than a threshold; and a transmission unit configured to report the wireless channel quality to the base station based on the determination result of the wireless channel quality determining unit. | 01-07-2010 |
20100110985 | WINDOW CONTROL AND RETRANSMISSION CONTROL METHOD AND TRANSMITTING-SIDE APPARATUS - In a retransmission control method, a transmitting-side apparatus manages an acknowledgement information reception window; and the transmitting-side apparatus does not perform the window control processing and the retransmission control processing of a packet on the basis of the acknowledgement information for a sequence number of the packet which is included in the acknowledgement information received from the receiving-side apparatus, when the sequence number takes a value outside a range of the acknowledgement information reception window. | 05-06-2010 |
20110002235 | BASE STATION, MOBILE STATION, MOBILE COMMUNICATION SYSTEM, AND METHOD OF CONTROLLING CONTROL SIGNAL TRANSMISSION - A disclosed base station includes a transmission-rate determining unit for determining a transmission rate of a control channel for transmitting an upper-layer control signal, and a transmitter for allocating a predetermined bandwidth to the control channel for transmitting the upper-layer control signal according to the determined transmission rate, and transmitting the signal. | 01-06-2011 |
20120147796 | RADIO BASE STATION, MOBILE STATION, AND MEASUREMENT METHOD - A radio base station eNB according to the present invention includes: an upper-layer information transmission unit | 06-14-2012 |
20120176983 | MOBILE COMMUNICATION METHOD, RADIO BASE STATION, AND MOBILE STATION - A mobile communication system according to the present invention includes: a step A in which a mobile station UE transmits an uplink data signal using a shared uplink resource designated by an uplink scheduling grant to a radio base station eNB upon reception of the uplink scheduling grant including CB-RNTI; a step B in which the radio base station eNB transmits a downlink control signal including the CB-RNTI upon successful reception of the uplink data signal transmitted by the mobile station UE; and a step C in which the radio base station eNB transmits MAC-CE including C-RNTI of the mobile station UE using a downlink resource designated by the downlink control signal. | 07-12-2012 |
20120182869 | MOBILE COMMUNICATION METHOD AND MOBILE STATION - A mobile communication system according to the present invention includes: a step A in which a radio base station eNB notifies a mobile station UE of a predetermined range; a step B in which the mobile station UE receives an uplink scheduling grant (uplink scheduling) including CB-RNTI (predetermined identification information that is not identification information of a designated mobile station), within the notified predetermined range; and a step C in which the mobile station UE transmits an uplink data signal, by using a shared uplink resource designated by the uplink scheduling grant, to the radio base station eNB. | 07-19-2012 |
20120182951 | RADIO BASE STATION AND MOBILE STATION - A radio base station eNB according to the present invention includes: a synchronization signal transmission unit | 07-19-2012 |
20120188963 | MOBILE COMMUNICATION METHOD, MOBILE STATION, AND RADIO BASE STATION - A mobile communication system according to the present invention includes: a step in which a mobile station UE, upon reception of a first uplink scheduling grant containing C-RNTI of the mobile station UE, transmits, by using an individual uplink resource designated by the uplink scheduling grant, an uplink data signal on which a scrambling process has been performed by the C-RNTI of the mobile station UE, to a radio base station eNB; and a step in which the mobile station UE, upon reception of a second uplink scheduling grant containing CB-RNTI, transmits, by using a shared uplink resource designated by the second uplink scheduling grant, an uplink data signal on which a scrambling process has been performed by the CB-RNTI, to the radio base station eNB. | 07-26-2012 |
20120190393 | RADIO BASE STATION, MOBILE STATION, AND MEASUREMENT METHOD - A radio base station eNB according to the present invention includes: a PRS transmission unit | 07-26-2012 |
20120195273 | MOBILE COMMUNICATION METHOD AND MOBILE STATION - A mobile communication system according to the present invention includes: a step A in which a radio base station eNB transmits an uplink scheduling grant including CB-RNTI; and a step B in which when the uplink scheduling grant has been received, according to a comparison result obtained by comparing a predetermined threshold value with the amount of uplink data remaining in the transmission buffer, the mobile station UE determines whether a protocol data unit formed by the uplink data can be transmitted using a shared uplink resource specified by the uplink scheduling grant. | 08-02-2012 |
20120201188 | MOBILE COMMUNICATION METHOD, RADIO BASE STATION, AND MOBILE STATION - When MBMS communication is performed, a radio resource is efficiently used. A mobile communication method according to the present invention includes a step of notifying, by a radio base station eNB, the configuration of an MBSFN subframe through SIB2, and a step of receiving, by a mobile station UE, a PDSCH signal, which is transmitted in the MBSFN subframe through unicast communication, based on a PDCCH signal generated using C-RNTI of the mobile station UE when a PDCCH signal generated using MBSFN_Off-RNTI and a PDCCH signal generated using the C-RNTI of the mobile station UE have been received in a predetermined OFDM symbol in the MBSFN subframe. | 08-09-2012 |
20120207054 | RADIO BASE STATION AND MOBILE COMMUNICATION METHOD - A radio base station eNB according to the present invention includes: a CQI reception unit | 08-16-2012 |
20120257493 | COMMUNICATION APPARATUS, COMMUNICATION METHOD AND PROGRAM - A communication apparatus includes an error detection unit conducting error detection on N packet data units received in N transmission processes; a first transmission unit transmitting an affirmative response signal or a first retransmission request signal depending on a result of the error detection; a storage unit storing an affirmatively responding packet for forwarding to an upper layer; a second transmission unit, if affirmatively responding packets are not consecutive, determining whether a missing packet must be retransmitted and transmitting a second retransmission request signal; and a forwarding unit reordering the packet data units and forwarding the packets in the storage unit to the upper layer. | 10-11-2012 |
20120307648 | USER DEVICE, BASE STATION, AND METHOD FOR MOBILE COMMUNICATION SYSTEMS - A user device includes a RI generating unit that generates a rank indicator based on a channel condition of a downlink, and a transmitting unit that transmits an uplink signal including the rank indicator to a base station. When the rank indicator is reported to the base station prior to category information of the user device being reported, the RI generating unit generates the rank indicator of a number of bits that has already been known to the user device and the base station. | 12-06-2012 |
Patent application number | Description | Published |
20130244681 | BASE STATION AND METHOD - A base station that performs radio communication with a mobile station includes an index calculation unit that calculates an index representing interference in a frequency band, wherein the frequency band is to be utilized by a different base station; a frequency band selection unit that selects the frequency band based on the index calculated by the index calculation unit, wherein, in the frequency band, the interference is less than or equal to a predetermined threshold value; and a communication unit that performs the radio communication with the mobile station in the frequency band selected by the frequency band selection unit. | 09-19-2013 |
20140113582 | COMMUNICATION DEVICE AND COMMUNICATION METHOD - A communication device includes a network side communication unit that receives emergency information from an information broadcasting node; and a UE side communication unit that communicates a communication signal with user equipment (UE) through a radio base station. The UE side communication unit broadcasts a Secondary Notification signal including the emergency information, subsequent to broadcasting a Primary Notification signal providing notice of broadcasting of the emergency information, and individually transmitting a command signal for transition of an RRC protocol state or switching to another cell to the UE. The transition of the RRC protocol state is from a state where reception of the emergency information is disabled to a state where reception of the emergency information is enabled, and the other cell is such that the UE can receive the Secondary Notification signal, irrespective of the RRC protocol state of the UE. | 04-24-2014 |
20140128119 | COMMUNICATION DEVICE AND COMMUNICATION METHOD - A communication device includes a network side communication unit that receives emergency information from an information broadcasting node; a UE side communication unit that communicates a communication signal with user equipment through a radio base station; and a determination unit that determines whether to allow state transition, when the UE side communication unit receives a request signal requesting the state transition of an RRC protocol state from the user equipment, subsequent to broadcasting a Primary Notification signal providing notice of broadcasting of the emergency information. When the state transition is from a state in which receiving of the emergency information is enabled to a state in which receiving of the emergency information is disabled, the determination unit determines to disallow the state transition, and broadcasts a Secondary Notification signal including the emergency information. | 05-08-2014 |
20140204741 | BASE STATION AND RADIO COMMUNICATION METHOD - A base station | 07-24-2014 |
20140376435 | RADIO COMMUNICATION SYSTEM, USER EQUIPMENT, BASE STATION, SERVER DEVICE AND COMMUNICATION CONTROL METHOD - A user equipment is capable of executing plural applications in parallel. The user equipment obtains, for each application, packet statistics information relating to packets that each of the plural applications transceives, for reporting to a base station. The base station, based on the packet statistics information received from the user equipment, calculates a state transition parameter for use in controlling the state transition of the user equipment and the base station. The base station executes state transition control based on the calculated state transition parameter. | 12-25-2014 |
Patent application number | Description | Published |
20090082070 | Handsfree apparatus and handsfree system - A handsfree system includes a handsfree apparatus and a phone. The handsfree apparatus has a database including a primary control program and a model-specific program. The primary control program enables the handsfree phone call when coupled with the phone. The model-specific program is operated to resolve a model-dependent constraint by being incorporated in the primary control program. The model-dependent constraint arises when coupled with the phone. The model-specific program is associated with phone model information and program specification information to specify the model-specific program independent of the phone model information. Phone model information and program specification information are acquired from a phone coupled with the handsfree apparatus. Model-specific program corresponding to the acquired program specification information is retrieved from the database when the acquired phone model information is not included in the database. The retrieved model-specific program is executed by incorporating in the primary control program. | 03-26-2009 |
20090209296 | In-vehicle handsfree apparatus - An in-vehicle handsfree apparatus establishes a handsfree profile connection with at least two cellular phones. It may be determined that a first cellular phone and a second cellular phone are receiving incoming calls at the same time, or that while a first cellular phone is calling, a second cellular phone is receiving an incoming call. In such a case, based on attributes (for example, a holder or intended use) of the first and second cellular phones, a notice manner of information on incoming call or information on telephone call is differentiated, for instance, in regard to a background color of a display window. | 08-20-2009 |
20090209298 | In-vehicle handsfree apparatus - An in-vehicle handsfree apparatus is disclosed. The in-vehicle handsfree apparatus includes a handsfree connection section and a control section. The connection section establishes connection with first and second cellular phones by using a handsfree communication protocol. When the control section determines that the first and second cellular phones are respectively receiving incoming calls at a same time, the control section causes an display unit to distinctly display information associated with the incoming call of the first cellular phone and information associated with the incoming call of the second cellular phone. | 08-20-2009 |
20100144398 | In-vehicle apparatus having handsfree function - An in-vehicle handsfree apparatus stores a mail operation state while a message access profile (MAP) is being connected with a cellular phone. An incoming voice call from a communication network arises in the cellular phone while the in-vehicle handsfree apparatus is receiving mail information from the cellular phone. When the cellular phone answers the incoming voice call, the MAP is disconnected from the cellular phone. After completing the handsfree call relative to the incoming voice call, the reception of the mail information is resumed from the state just before the MAP was once disconnected. | 06-10-2010 |
20100144399 | Handsfree in-vehicle device - An in-vehicle device having handsfree communication function includes: a coupling element for coupling the in-vehicle device and a cell phone with a handsfree communication protocol and a mail transfer protocol, which are executed simultaneously; a status determination element for determining whether the cell phone is in a communicating state with an external phone for handsfree communication; a incoming mail determination element for determining whether an incoming mail is sent from the external phone when the cell phone receives an electronic mail; and a controller for executing a process with respect to the incoming mail without user operation when the incoming mail determination element determines that the incoming mail is sent from the external phone. | 06-10-2010 |