Patent application number | Description | Published |
20080214226 | Wireless Communication Control System, Radio Base Station, and Wireless Communication Control Method - A radio communication control system ( | 09-04-2008 |
20090002713 | Optical Coherence Tomography System - There is provided an optical coherent tomography device capable of enlarging a measurement range by removing the affect of a folded image. The device includes an optical phase modulator ( | 01-01-2009 |
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 |
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 |
20090073927 | COMMUNICATION CONTROL APPARATUS AND COMMUNICATION CONTROL METHOD - A communication control apparatus ( | 03-19-2009 |
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 |
20090310556 | BASE STATION, MOBILE COMMUNICATION SYSTEM, MOBILE STATION AND COMMUNICATION CONTROL METHOD - A base station for communicating to a mobile station that transmits an uplink signal in accordance with a SC-FDMA scheme or an OFDMA scheme includes an adjustment amount range setting unit configured to set an adjustment amount for adjusting a transmit timing of the uplink signal to have different ranges depending on types of a channel transmitted by the mobile station. | 12-17-2009 |
20100034077 | BASE STATION APPARATUS, USER APPARATUS AND METHOD USED IN MOBILE COMMUNICATION SYSTEM - A base station apparatus is used in a mobile communication system that uses an OFDM scheme in a downlink. The base station apparatus includes: a unit configured to perform inverse Fourier transform on a signal in which a first signal and a second signal is mapped to subcarriers with different transmission power density, and to generate a transmission signal; and a transmission unit configured to transmit the transmission signal to a user apparatus. A subcarrier (prohibited subcarrier) in which mapping of the second signal is prohibited is determined such that transmission power density of the second signal is kept constant among a plurality of OFDM symbols regardless of whether the first signal is included in an OFDM symbol including the second signal. The prohibited subcarrier is determined based on a subcarrier to which the first signal is mapped. | 02-11-2010 |
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 |
20100041430 | BASE STATION APPARATUS AND COMMUNICATION CONTROL METHOD - A base station apparatus is disclosed that is capable of communicating with a user equipment terminal using a shared channel in downlink and controlling transmission power of a control channel reporting identification information of the user equipment terminal receiving the shared channel and a transmission format of the shared channel. The base station apparatus includes a transmission power control unit configured to control the transmission power of the control channel based on downlink radio quality information reported from the user equipment terminal and an offset value determined based on communications quality of the control channel. | 02-18-2010 |
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 |
20100054147 | BASE STATION APPARATUS AND COMMUNICATION CONTROL METHOD - A base station apparatus for communicating to a mobile station over a downlink shared channel includes a reception unit configured to receive downlink radio quality information from the mobile station over a control channel frequency-multiplexed with an uplink shared channel, a measurement unit configured to measure a radio quality of the control channel, and a determination unit configured to determine reliability of the downlink radio quality information based on the radio quality. Also, a communication control method at a base station apparatus for communicating to a mobile station over a downlink shared channel includes receiving downlink radio quality information from the mobile station over a control channel frequency-multiplexed with an uplink shared channel, measuring a radio quality of the control channel, and determining based on the radio quality whether the mobile station has transmitted the downlink radio quality information. | 03-04-2010 |
20100061302 | BASE STATION APPARATUS AND COMMUNICATIONS CONTROL METHOD - An out-of-synchronization determining section that determines uplink out of synchronization with the mobile station in accordance with a reception timing of the uplink signal is provided in a base station apparatus for carrying out communications with a mobile station, wherein the mobile station transmits an uplink signal by Single-Carrier Frequency Division Multiple Access or Orthogonal Frequency Division Multiple Access. | 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 |
20100074128 | BASE STATION APPARATUS AND COMMUNICATION CONTROL METHOD - A base station apparatus for communicating to a mobile station over an uplink shared channel includes a transmit instruction unit configured to assign an uplink shared channel to the mobile station and instruct the mobile station to conduct transmissions over the assigned uplink shared channel; a measurement unit configured to measure a radio quality of the assigned uplink shared channel; and a determination unit configured to determine based on the radio quality whether the mobile station has transmitted data over the assigned uplink shared channel. In addition, a communication control method at a base station apparatus for communicating to a mobile station over an uplink shared channel includes assigning an uplink shared channel to the mobile station and instructing the mobile station to conduct transmissions over the assigned uplink shared channel; measuring a radio quality of the uplink shared channel assigned to the mobile station; and determining based on the radio quality whether the mobile station has transmitted data over the assigned uplink shared channel. | 03-25-2010 |
20100074230 | MOBILE STATION, BASE STATION, RADIO COMMUNICATION SYSTEM, AND COMMUNICATION CONTROL METHOD - A mobile station is configured to send a base station a buffer status report explicitly indicating that the amount of a transmission signal in a buffer of the mobile station has become zero. This configuration makes it possible to efficiently allocate radio resources of an uplink shared channel and thereby to increase uplink capacity. | 03-25-2010 |
20100074246 | TRANSMISSION RESTARTING METHOD, MOBILE STATION AND RADIO BASE STATION - A mobile station (UE) is configured to notify, to a radio base station (eNB), a preamble for RACH included in an uplink synchronization request transmitted by the radio base station by using an asynchronous RACH; notify, to the radio base station (eNB), the preamble, when failing to receive a TA command transmitted by the radio base station (eNB); and release the preamble, when a validity period of the preamble is passed. | 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 |
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 |
20100091672 | BASE STATION APPARATUS AND COMMUNICATION CONTROL METHOD - A base station apparatus for communicating a mobile station over a downlink shared channel includes a reception unit configured to receive acknowledgement information for the downlink shared channel from the mobile station over a control channel frequency-multiplexed with an uplink shared channel, a measurement unit configured to measure a radio quality of the control channel, and a determination unit configured to determine based on the radio quality whether the mobile station has transmitted the acknowledgement information. Also, a communication control method at a base station apparatus for communicating a mobile station over a downlink shared channel includes receiving acknowledgement information for the downlink shared channel from the mobile station over a control channel frequency-multiplexed with an uplink shared channel, measuring a radio quality of the control channel, and determining based on the radio quality whether the mobile station has transmitted the acknowledgement information. | 04-15-2010 |
20100091708 | BASE STATION APPARATUS, MOBILE STATION, RADIO COMMUNICATION SYSTEM, AND COMMUNICATION CONTROL METHOD - In a radio communication system including a mobile station and a base station apparatus for communicating with the mobile station according to a SC-FDMA scheme in uplink, the mobile station includes a transmitting unit configured to transmit at least one of a first signal and a second signal; and a Sounding RS transmitting unit configured to determine a transmission band for a Sounding Reference Signal (Sounding RS) based on mapping information of at least one of the first signal and the second signal. | 04-15-2010 |
20100091724 | BASE STATION APPARATUS AND COMMUNICATION CONTROL METHOD - A base station apparatus is disclosed that includes a selection unit selecting user equipment terminals to which radio resources are allocated based on priority levels indicating a priority order of allocating the radio resources for a shared channel and a resource determination unit determining a transmission power level of a control channel and resources for the control channel, the control channel indicating communications of the shared channel to the selected user equipment terminals. In the base station apparatus, when the sum of the transmission power of the control channel related to the selected user equipment terminals exceeds a predetermined first threshold value or when a sum of control resources for the control channel related to the selected user equipment terminals exceeds a predetermined second threshold value, the resource determination unit transmits the control channel to some user equipment terminals among the selected user equipment terminals. | 04-15-2010 |
20100091725 | BASE STATION APPARATUS AND COMMUNICATION CONTROL METHOD - A base station apparatus capable of communicating with user equipment terminals using an uplink shared channel includes a selection unit configured to select a user equipment terminal to which the base station apparatus allocates the shared channel among the user equipment terminals other than a user equipment terminal where a time frame in which a control channel for the shared channel is transmitted in downlink, a time frame in which the shared channel is received, or a time frame in which acknowledgement information for the shared channel is transmitted overlaps a time interval for measuring a cell with a different frequency; and an allocation unit configured to allocate the shared channel to the user equipment terminal selected by the selection unit. | 04-15-2010 |
20100091726 | BASE STATION APPARATUS AND COMMUNICATION CONTROL METHOD - A base station apparatus capable of communicating with user equipment terminals using an uplink shared channel includes a user selection unit configured to select a user equipment terminal to which the base station apparatus allocates a radio resource based on whether the base station apparatus receives a signal for requesting allocation of the uplink shared channel from the user equipment terminal. | 04-15-2010 |
20100091727 | BASE STATION APPARATUS AND COMMUNICATION CONTROL METHOD - A base station apparatus capable of communicating with user equipment terminals using an uplink shared channel includes a radio resource allocation unit configured to allocate radio resources to the shared channel after allocating radio resources to a random access channel, a control channel, and a Message-3 in a random access procedure. | 04-15-2010 |
20100098008 | BASE STATION APPARATUS AND COMMUNICATION CONTROL METHOD - A base station apparatus capable of communicating with a user equipment terminal using an uplink shared channel, includes a resource allocation unit configured to allocate radio resources according to a first resource allocating scheme for dynamically allocating radio resources and a second resource allocating scheme for periodically allocating radio resources, wherein the resource allocation unit uses the radio resources to be allocated according to the second resource allocating scheme as the radio resources to be allocated according to the first resource allocating scheme, when the base station apparatus receives a signal to release the radio resources to be allocated according to the second allocating scheme. | 04-22-2010 |
20100099429 | BASE STATION APPARATUS AND COMMUNICATION CONTROL METHOD - A base station apparatus capable of communicating with a user equipment terminal using an uplink shared channel includes a radio resource allocation unit configured to decrease frequency resources allocated to the shared channel, when transmission power of the user equipment terminal is less than a predetermined threshold. | 04-22-2010 |
20100103890 | BASE STATION APPARATUS, USER APPARATUS, AND METHOD USED IN MOBILE COMMUNICATIONS SYSTEM - A base station apparatus in a mobile communications system which uses orthogonal frequency division multiplexing (OFDM) for downlink is disclosed. The base station includes a unit which generates a first signal; a unit which generates a second signal; a unit which multiplexes the first signal and the second signal to map the multiplexed signals to a sub-carrier to generate a transmit symbol; and a mapping determining unit which determines a position of mapping the second signal to the sub-carrier, wherein the mapping determining unit determines the mapping position based on a cell ID or cell group ID, and a mapping pattern defined with a sequence having two-stage structure. | 04-29-2010 |
20100103891 | USER APPARATUS, BASE STATION APPARATUS, AND METHOD IN MOBILE COMMUNICATION SYSTEM - A user apparatus transmits an uplink control signal to a base station apparatus using a single carrier scheme. The user apparatus includes: a unit configured to prepare acknowledgement information indicating positive acknowledgement or negative acknowledgement for a downlink data signal based on a result of demodulation of the downlink data signal; a unit configured to prepare channel state information indicating reception quality of a downlink reference signal; a unit configured to channel-code multiplexed control information in which the acknowledgement information and the channel state information are multiplexed to prepare the uplink control signal; and a unit configured to transmit the uplink control signal using dedicated resources different from resources for an uplink data signal. | 04-29-2010 |
20100105390 | BASE STATION APPARATUS AND COMMUNICATION CONTROL METHOD - A disclosed base station apparatus is capable of communicating with a user equipment terminal using a downlink shared channel. The base station apparatus includes a selection unit selecting a user equipment terminal transmitting a shared channel from among user equipment terminals other than a user equipment terminal in which a time frame to transmit the shared channel or a time frame to receive acknowledgement information with respect to the shared channel overlaps with a time interval when cells are measured, the cells operating at a different frequency, a user equipment terminal in sleep mode of discontinuous reception mode, a user equipment terminal that has not received radio quality information, and a user equipment terminal having no data to be transmitted and a transmission unit transmitting the shared channel to the user equipment terminal selected by the selection unit. | 04-29-2010 |
20100111008 | BASE STATION APPARATUS AND COMMUNICATION CONTROL METHOD - A base station apparatus capable of communicating with a user equipment terminal using an uplink shared channel includes a calculation unit configured to calculate path loss between the user equipment terminal and the base station apparatus; an MCS selection unit configured to select an MCS level of the shared channel based on the path loss; a first offset calculation unit configured to calculate a transmission power offset for the shared channel based on both a decoding result of the uplink shared channel and a required uplink quality; a notification unit configured to notify the user equipment terminal of a difference between the transmission power offset for the shared channel and a transmission power offset retained by the user equipment terminal; and a reception unit configured to receive the shared channel from the user equipment terminal. | 05-06-2010 |
20100113080 | BASE STATION APPARATUS AND COMMUNICATIONS CONTROL METHOD - A base station apparatus for carrying out communications with a mobile station in downlink using an OFDM method is disclosed. The base station apparatus is characterized in that the base station apparatus transmits a first signal and a second signal; a predetermined transmission power of the second signal is set; and the base station apparatus comprises a first transmission power controlling section that controls so that a transmission power per unit frequency band of the first signal is constant; and a frequency resource assignment section that determines a frequency resource to be assigned to the first signal, in accordance with the transmission power of the second signal and the transmission power per unit frequency band of the first signal. | 05-06-2010 |
20100113082 | BASE STATION APPARATUS AND COMMUNICATION CONTROL METHOD - A disclosed base station apparatus includes | 05-06-2010 |
20100118719 | BASE STATION APPARATUS, USER EQUIPMENT, AND COMMUNICATION CONTROL METHOD - A base station apparatus capable of communicating with a user equipment terminal using a downlink shared channel is disclosed. The base station apparatus includes a radio resource allocation unit allocating radio resource blocks to the shared channel after allocating the radio resource blocks to at least one of a synchronization signal, a common control channel, a broadcast channel, a paging channel, an MBMS channel, and a random access response channel. | 05-13-2010 |
20100118803 | BASE STATION APPARATUS, MOBILE STATION, RADIO COMMUNICATION SYSTEM, AND COMMUNICATION CONTROL METHOD - In a radio communication system including a mobile station and a base station apparatus communicating with the mobile station, the base station apparatus applies a scheduling scheme for assigning radio resources to mobile stations for each constant period, and the mobile station transmits a first signal to the base station apparatus in accordance with the assignment of the radio resources. The base station apparatus includes a decoding unit configured to decode the first signal, and a transmitting unit configured to transmit a control signal for retransmitting the first signal to the mobile station if the first signal has not been successfully received. | 05-13-2010 |
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 |
20100120370 | USER APPARATUS, BASE STATION APPARATUS AND COMMUNICATION CONTROL METHOD IN MOBILE COMMUNICATION SYSTEM - When a mobile station to which receive diversity is applied performs measurement of best cell, the method for considering the plurality of antennas in the receive diversity is changed for each cell. The base station determines the method for considering the plurality of antennas for the receive diversity, and reports it to the mobile station as broadcast information or measurement control information. | 05-13-2010 |
20100135208 | USER EQUIPMENT TERMINAL, BASE STATION APPARATUS, AND COMMUNICATION CONTROL METHOD IN MOBILE COMMUNICATION SYSTEM - A user equipment terminal capable of communicating with a base station apparatus in a mobile communication system includes a transmitting unit configured to transmit to the base station apparatus a first signal concerning a capability of the user equipment terminal; a receiving unit configured to receive from the base station apparatus a second signal concerning the capability of the user equipment terminal; and a communication processing unit configured to perform communication processing based on the capability of the user equipment terminal specified in the second signal. A base station apparatus capable of communicating with a user equipment terminal in a mobile communication system includes a receiving unit configured to receive from the user equipment terminal the first signal concerning the capability of the user equipment terminal; a transmitting unit configured to transmit to the user equipment terminal the second signal concerning the capability of the user equipment terminal; and a communication processing unit configured to perform communication processing based on the capability of the user equipment terminal specified in the second signal. | 06-03-2010 |
20100144364 | RETRANSMISSION CONTROL METHOD AND TRANSMITTING-SIDE APPARATUS - In a retransmission control method, each of a transmitting-side apparatus and a receiving-side apparatus includes a first layer and a second layer; and first retransmission control processing is performed between the first layer of the transmitting-side apparatus and the first layer of the receiving-side apparatus, and second retransmission control processing is performed between the second layer of the transmitting-side apparatus and the second layer of the receiving-side apparatus; the first layer of the transmitting-side apparatus determines whether or not specific user data is under the second retransmission control processing, when receiving a retransmission request for the specific user data from the first layer of the receiving-side apparatus, during the first retransmission control processing; and the first layer of the transmitting-side apparatus does not retransmit the specific user data, when determining that the specific user data is under the second retransmission control processing. | 06-10-2010 |
20100150085 | BASE STATION APPARATUS AND COMMUNICATION CONTROL METHOD - A base station apparatus capable of communicating with user equipment terminals using an uplink shared channel includes a radio resource allocation unit configured to allocate radio resources other than a resource placed at an end of a system bandwidth, when the system bandwidth is frequency-adjacent to a heterogeneous radio communication system. | 06-17-2010 |
20100153803 | RETRANSMISSION CONTROL METHOD AND RECEIVING SIDE APPARATUS - A retransmission control method has a physical control channel transmission step wherein a transmission side apparatus ( | 06-17-2010 |
20100177649 | BASE STATION APPARATUS, USER EQUIPMENT, AND METHOD USED IN MOBILE COMMUNICATION SYSTEM - A base station apparatus communicating with a user equipment terminal in a mobile communication system is disclosed. The base station apparatus includes a determination unit determining whether an uplink signal received from the user equipment terminal is to be retransmitted, a control information generation unit generating control information to permit the user equipment terminal to transmit an uplink signal, and a transmission unit transmitting the control information to the user equipment terminal. Further, in the base station apparatus, when the determination unit determines that the uplink signal is to be retransmitted, the control information generation unit generates the control information so as to include retransmission information indicating that an uplink signal transmitted before from the user equipment terminal is to be retransmitted. | 07-15-2010 |
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 |
20100273484 | MOBILE COMMUNICATION SYSTEM, BASE STATION APPARATUS, USER EQUIPMENT AND METHOD - A base station apparatus includes a determination unit configured to determine whether to cause a user equipment residing in a cell of the base station apparatus to conduct different frequency measurement and a transmitting unit configured to transmit a control signal to the user equipment. The user equipment includes a reception unit configured to receive the control signal from the base station apparatus of a camped cell and a cell search and quality measurement unit configured to conduct cell search at a frequency indicated by the base station apparatus and cell quality measurement. If a candidate handover target cell of the user equipment is a predefined cell, the control signal allows the user equipment to conduct the different frequency measurement in a gap period defined in a mobile communication system. If the candidate handover target cell of the user equipment is another predefined cell different from the predefined cell, the control signal allows the user equipment to conduct the different frequency measurement in the gap period defined in the mobile communication system and between discontinuous signal receptions in a discontinuous reception operating mode. | 10-28-2010 |
20100296449 | MOBILE STATION, RADIO BASE STATION, COMMUNICATION CONTROL METHOD, AND MOBILE COMMUNICATION SYSTEM - A mobile station according to the present invention includes: a packet discarder unit (102, 103) configured to discard a packet in an uplink transmission buffer, after assigning a sequence number to the packet, when a predetermined condition is met. | 11-25-2010 |
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 |
20110013506 | BASE STATION APPARATUS AND COMMUNICATION CONTROL METHOD - A base station apparatus capable of communicating with a user equipment terminal using a downlink shared channel is disclosed. The base station apparatus includes a user selection unit selecting a user equipment terminal to which radio resources are to be allocated, the selection being based on whether there is a MAC-layer control signal to be transmitted to the user equipment terminal. | 01-20-2011 |
20110038264 | BASE STATION AND COMMUNICATION CONTROL METHOD - A base station communicating with user equipments using shared channels. The base station includes a congestion level estimation unit estimating a congestion level of a cell; a priority-level/desired-value changing unit changing priority levels or desired minimum transmission rates of data to be transmitted by the user equipments or the base station based on the congestion level of the cell; and a selection unit selecting one or more of the user equipments to which radio resources are to be allocated based on the changed priority levels or the changed desired minimum transmission rates of the data. | 02-17-2011 |
20110044196 | USER EQUIPMENT TERMINAL AND COMMUNICATION CONTROL METHOD - A user equipment terminal for communicating with a base station apparatus using HARQ for uplink includes a transmission unit configured to transmit an uplink signal to the base station apparatus; a reception unit configured to receive a control signal indicating whether the uplink signal is to be retransmitted; and a decoding unit configured to consider the control signal as ACK when signal reliability of the control signal is low, and determine whether the control signal indicates ACK or NACK based on information in the control signal when the signal reliability of the control signal is high. | 02-24-2011 |
20110044275 | BASE STATION APPARATUS AND COMMUNICATION CONTROL METHOD - A base station apparatus communicates to a user apparatus in an uplink shared channel and controls transmit power for a PHICH (Physical HARQ Indicator Channel) on the shared channel. The transmit power for the PHICH is controlled based on downlink radio quality information (CQI) reported from the user apparatus, information (ACK/NACK) mapped into the PHICH and the presence of transmission of an uplink scheduling grant for indicating transmission of the shared channel. | 02-24-2011 |
20110053625 | MOBILE STATION AND BASE STATION APPARATUS - A mobile station ( | 03-03-2011 |
20110103336 | MOBILE COMMUNICATION METHOD, MOBILE STATION, AND RADIO BASE STATION - In a mobile communication method according to the present invention, a mobile station (UE) receives downlink data transmitted from a radio base station by using a downlink radio resource assigned to the mobile station by predetermined scheduling information, in a predetermined cycle. The method includes the steps: (A) notifying, to the mobile station (UE), the predetermined cycle and information on the downlink radio resource; (B) notifying, to the mobile station (UE), the predetermined scheduling information; and (C) transmitting downlink data in the predetermined cycle by using the downlink radio resource assigned by the predetermined scheduling information, the transmission starting at a certain point determined on the basis of the received predetermined scheduling information. In the step (C), the predetermined scheduling information is discarded, when the information on the downlink radio resource and information notified by the predetermined scheduling information are inconsistent with each other. | 05-05-2011 |
20110103367 | USER APPARATUS, BASE STATION APPARATUS, AND TRANSMISSION CONTROL METHOD - The present invention is realized by a user apparatus in communication with a base station apparatus, the user apparatus is provided with a determining unit which determines a downlink synchronization status based on downlink quality information measured based on a downlink signal transmitted from the base station apparatus. | 05-05-2011 |
20110116463 | MOBILE COMMUNICATION METHOD, MOBILE STATION, AND RADIO BASE STATION - In a mobile communication method according to the present invention, a mobile station (UE) transmits uplink data to a radio base station by using an uplink radio resource assigned to the mobile station by predetermined scheduling information, in a predetermined cycle. The method includes the steps: (A) notifying, to the mobile station (UE), the predetermined cycle and information on the uplink radio resource; (B) notifying, to the mobile station (UE), the predetermined scheduling information; and (C) transmitting uplink data in the predetermined cycle by using the uplink radio resource assigned by the predetermined scheduling information, the transmission starting at a certain point determined on the basis of the received predetermined scheduling information. In the step (C), the predetermined scheduling information is discarded, when the information on the uplink radio resource and information notified by the predetermined scheduling information are inconsistent with each other. | 05-19-2011 |
20110116464 | BASE STATION APPARATUS AND METHOD IN MOBILE COMMUNICATION SYSTEM - A base station apparatus includes a scheduler configured to schedule assignment of radio resources based on a scheduling coefficient for one or more user equipments, a control signal generation unit configured to generate a control signal including reporting indication information for indicating whether the user equipment is to report downlink channel state information and scheduling grant information for indicating the scheduled assignment of the radio resources and a transmitting unit configured to transmit the control signal in a downlink. A cumulative value is calculated for each of the user equipments. The reporting indication information transmitted to a user equipment, whose cumulative value reaches a predefined value, indicates that the user equipment is to report the downlink channel state information. The cumulative value is updated if the scheduling coefficient satisfies a predefined condition. | 05-19-2011 |
20110117947 | RADIO BASE STATION AND COMMUNICATION CONTROL METHOD - A radio base station includes: a measurement unit which measures a resource use amount in each time frame within predetermined period; a downlink persistent allocation signal transmission unit which transmits to a mobile station, a persistent allocation signal indicating a downlink radio resource allocation start moment; and a downlink communication unit which transmit downlink data using downlink radio resource starting at the downlink radio resource allocation start moment. The downlink persistent allocation signal transmission unit decides the downlink radio resource allocation start moment in accordance with a resource use amount in each time frame. | 05-19-2011 |
20110117948 | RADIO BASE STATION AND COMMUNICATION CONTROL METHOD - A radio base station includes: a measurement unit which measures a resource use amount in each time frame within predetermined period; a downlink persistent allocation signal transmission unit which transmits to a mobile station, a persistent allocation signal indicating a radio resource allocation start moment; and a uplink communication unit which receive uplink data using uplink radio resource starting at the radio resource allocation start moment. The downlink persistent allocation signal transmission unit decides the radio resource allocation start moment in accordance with a resource use amount in each time frame. | 05-19-2011 |
20110128931 | MOBILE COMMUNICATION METHOD, MOBILE STATION, AND RADIO BASE STATION - A radio resource selecting method according to the present invention semi-persistently selects a radio resource to be allocated to an uplink acknowledgement signal indicating a reception state of a persistently allocated downlink signal from a plurality of radio resources defined by frequencies and codes, and includes the steps of: (A) selecting candidates for an allocation radio resource to be allocated to the uplink acknowledgement signal from the plurality of radio resources; (B) notifying candidate information on the selected candidates for the allocation radio resource; and (C) selecting a single allocation radio resource from the plurality of candidates for the allocation radio resource indicated in the candidate information notified in the step (B). | 06-02-2011 |
20110128941 | BASE STATION APPARATUS, MOBILE STATION APPARATUS, AND COMMUNICATIONS CONTROL METHOD - A base station apparatus in a radio communications system is disclosed. The radio communications system has a mobile station apparatus and the base station apparatus in communication with the mobile station apparatus to which is applied a scheduling scheme which allocates a radio resource for each of constant periods. | 06-02-2011 |
20110149771 | MOBILE STATION AND RADIO BASE STATION - A mobile station (UE) according to the present invention includes: a CP length determiner unit ( | 06-23-2011 |
20110151876 | USER EQUIPMENT, BASE STATION DEVICE, AND MOBILE COMMUNICATION METHOD - User equipment | 06-23-2011 |
20110164579 | RADIO RESOURCE SELECTING METHOD, MOBILE STATION AND RADIO BASE STATION - A mobile communication method according to the present invention includes the steps of; (A) notifying, from a radio base station (eNB) to a mobile station (UE), a first cycle and information on the uplink radio resource; and (B) determining, at the mobile station (UE), a first allocation starting time, receiving a downlink data via a downlink radio resource and transmitting an acknowledgement information via an uplink radio resource at and after the first allocation starting time, when receiving a fixed allocation signal from the radio base station (UE). In the step (B), the uplink radio resource is adjusted by an adjustment signal included in the fixed allocation signal and the acknowledgement information is transmitted via the adjusted uplink radio resource. | 07-07-2011 |
20110170483 | BASE STATION APPARATUS AND COMMUNICATION CONTROL METHOD - A base station apparatus includes a measurement gap assignment unit configured to assign a user equipment a measurement gap for measuring received quality for a frequency different from a frequency assigned to the user equipment and a DRX duration assignment unit configured to assign a DRX controlled user equipment a DRX duration. The measurement gap assignment unit sets the measurement gap to except the DRX duration and a duration for retransmitting a downlink signal. | 07-14-2011 |
20110182224 | USER EQUIPMENT AND DOWNLINK SYNCHRONIZATION DETERMINING METHOD IN THE USER EQUIPMENT - To determine a downlink synchronization state in a DRX state or in a state in which uplink timing synchronization is not maintained in user equipment, a mobile station configured to perform communications with a radio base station determines a downlink synchronization state by comparing RSRP measured based on a downlink reference signal transmitted from the radio base station with Qrxlevmin notified from the radio base station when the mobile station is in a connected state in which a radio link with the radio base station is established and in the discontinuous reception state. | 07-28-2011 |
20110188427 | USER TERMINAL AND COMMUNICATION CONTROL METHOD - To set the maximum transmission power of a random access preamble suitably based on both of complexity of the mobile terminal and transmission characteristics (distance of the cell radius), the mobile terminal sets the maximum transmission power of the random access preamble at a value lower than the rated power of the mobile terminal based on the system bandwidth, a transmission frequency band of the random access preamble, and identification information of the root sequence of the random access preamble. In this case, it is possible to provide a user terminal and communication control method in a mobile communication system for enabling reductions in the uplink cell radius to be avoided, while reducing complexity of a power amplifier in the mobile terminal. | 08-04-2011 |
20110188428 | BASE STATION APPARATUS AND COMMUNICATION CONTROL METHOD - To avoid a collision between transmission timing of a data signal by SPS and transmission timing of an uplink control signal or a sounding reference signal, the base station apparatus has a DRX On-duration setting processing section configured to set reception duration of DRX control so as to minimize the total resource usage amount in the reception duration of DRX, and a control signal resource allocation section that allocates radio resources for a first signal in uplink for user equipment to transmit during On-duration of discontinuous reception to within predetermined time duration from the beginning of the ON-duration of discontinuous reception. The control signal resource allocation section allocates radio resources for an uplink control signal of CQI, scheduling request, etc. or sounding reference signal to the time duration (4 ms) between PDCCH for SPS and SPS PUSCH from the beginning of the reception duration of DRX control. | 08-04-2011 |
20110195706 | MOBILE STATION AND MOBILE COMMUNICATION METHOD - A mobile station UE includes a measurement unit ( | 08-11-2011 |
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 |
20110223883 | BASE STATION APPARATUS, MOBILE COMMUNICATION SYSTEM AND COMMUNICATION CONTROL METHOD - To provide a base station apparatus, mobile communication system and communication control method for enabling appropriate time charging based on actual communication conditions to be performed, the base station apparatus is provided with a connection section that establishes connection with a user equipment ( | 09-15-2011 |
20110255407 | RADIO BASE STATION AND MOBILE COMMUNICATION METHOD - A radio base station (eNB) according to the present invention includes: a first reception unit ( | 10-20-2011 |
20110255494 | RADIO BASE STATION - A radio base station (eNB) according to the present invention includes: a determination 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 |
20110294439 | RADIO BASE STATION AND COMMUNICATION CONTROL METHOD - A radio base station (eNB) according to the present invention includes: a calculation unit ( | 12-01-2011 |
20110305152 | RADIO BASE STATION AND COMMUNICATION CONTROL METHOD - A radio base station (eNB) includes: a calculation unit ( | 12-15-2011 |
20110310817 | RADIO BASE STATION - A radio base station (eNB) according to the present invention includes an aggregation level determination unit configured to determine an aggregation level based on CQI notified from a mobile station (UE), a control channel element assignment unit configured to assign a plurality of continuous CCE to a PDCCH addressed to the mobile station (UE), based on the determined aggregation level, and a resource assignment unit configured to assign resource element groups constituting the assigned CCE as a resource for the PDCCH addressed to the mobile station (UE). The control channel element assignment unit is configured to assign a plurality of continuous CCE to the PDCCH addressed to the mobile station (UE) based on an aggregation level changed by the aggregation level determination unit, when failing to assign CCE to the PDCCH addressed to the mobile station (UE). | 12-22-2011 |
20110317745 | MOBILE COMMUNICATION SYSTEM, RADIO BASE STATION, AND MOBILE STATION - In a mobile communication system according to the present invention, a reference signal sequence includes a plurality of signal sequences assigned in slot units in the predetermined physical channel based on a hopping pattern and a sequence shift pattern; the hopping pattern is configured to be determined based on a slot number and an SFN in the predetermined physical channel or the predetermined physical signal; the sequence shift pattern is configured to be determined based on the identification information of the cell to which the predetermined physical channel or the predetermined physical signal has been set; and the hopping cycle is configured to be determined based on a cycle of the slot number and an SFN cycle. | 12-29-2011 |
20110319085 | CONTROLLER, RADIO NETWORK CONTROLLER, BASE STATION APPARATUS, AND COMMUNICATION CONTROL METHOD - User equipment terminal includes a first user equipment terminal capable of communication in a first communication system and a second user equipment terminal capable of communication in a second communication system whose radio access technology is different from those of the first communication system. The first communication system is capable of communication in first and second frequency bands, and the second communication system is capable of communication in the first frequency band. A controller includes a determining unit configured to determine whether a user equipment terminal under the control of the controller is the first user equipment terminal or the second user equipment terminal; a standby system and frequency band specifying unit configured to specify, for the user equipment terminal determined to be the second user equipment terminal, that a communication system and a frequency band in which the user equipment terminal should be in the standby state are the first communication system and the first frequency band, respectively; and a reporting unit configured to report the specified communication system and the frequency band. | 12-29-2011 |
20110319119 | USER APPARATUS AND MOBILE COMMUNICATION METHOD - A user apparatus ( | 12-29-2011 |
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 |
20120002577 | RADIO BASE STATION AND COMMUNICATION CONTROL METHOD - A radio base station includes a power estimate unit configured to estimate a transmission power of an uplink signal in a mobile station (UE), a transmission format determination unit configured to determine a transmission bandwidth and a transmission frequency of the uplink signal as a transmission format of the uplink signal transmitted by the mobile station (UE), and a transmission instruction unit configured to instruct the mobile station (UE) to transmit the uplink signal by using the determined transmission format. The transmission format determination unit is configured to determine the transmission bandwidth of the uplink signal based on an estimation value of the transmission power, and to determine the transmission frequency of the uplink signal based on information relating to a cell with which the mobile station communicates. | 01-05-2012 |
20120002616 | BASE STATION APPARATUS AND METHOD IN MOBILE COMMUNICATION SYSTEM - A base station apparatus determines which mode of a subframe bundling mode (second mode) and a non-bundling mode (first mode) should be used by a user apparatus for communication, and reports a determination result. In the first mode, RTT period is a first period, and each of transmission and retransmission of the signal is performed every 1 TTI. In the second mode, RTT period is a second period that is longer than the first period, and each of transmission and retransmission of the signal is performed every plurality of TTIs. A radio resource to be used for retransmission is determined according to a first frequency hopping pattern in the first mode, and is determined according to a second frequency hopping pattern that is different from the first frequency hopping pattern in the second mode. | 01-05-2012 |
20120026952 | MOBILE COMMUNICATION METHOD AND RADIO BASE STATION - A mobile communication method according to the present invention, includes the steps of: (A) assigning a radio resource for a PRACH in each cell within a mobile communication system in which cells are synchronized; and (B) performing, at a mobile station (UE), a random access procedure by transmitting an RA preamble via the PRACH using the radio resource assigned in each cell, wherein in the step (A), as the radio resource for a PRACH, a resource block in a different sub-frame is assigned between adjacent cells. | 02-02-2012 |
20120026960 | RADIO BASE STATION - A radio base station (eNB) is a radio base station that can simultaneously transmit a first downlink signal in which a transmission stream number is adaptively changed, and a second downlink signal in which a transmission stream number is fixed to 1, to a mobile station using an MIMO scheme, the radio base station including: a reception quality reception unit configured to receive information indicating reception quality of the first downlink signal transmitted by the mobile station; a reception quality adjustment unit configured to calculate an adjustment value of the information indicating the reception quality based on a stream number of the first downlink signal; and a processing unit configured to perform an adaptive modulation and demodulation process and a transmission power control process on the second downlink signal based on the calculated adjustment value. | 02-02-2012 |
20120028641 | MOBILE STATION AND MOBILE COMMUNICATION METHOD - A mobile station according to the present invention includes: a dedicated signaling reception unit ( | 02-02-2012 |
20120039286 | RADIO BASE STATION - A base station according to the present invention includes: a PUSCH resource assignment unit ( | 02-16-2012 |
20120039306 | RADIO COMMUNICATION SYSTEM, RADIO BASE STATION, AND RADIO COMMUNICATION METHOD - A mobile communication system comprises: a data amount measurement unit ( | 02-16-2012 |
20120044898 | USER EQUIPMENT, BASE STATION DEVICE, AND COMMUNICATION CONTROL METHOD - A radio base station including a user equipment configured to execute radio communication with a base station device in a mobile communication system. The user equipment includes a control signal reception unit configured to receive a control signal providing instructions to transmit an uplink signal and an uplink signal transmission unit configured to transmit the uplink signal to the base station device on a basis of the control signal, the uplink signal transmission unit is configured to set a maximum value of transmission power of the uplink signal to be smaller than rated power defined by the mobile communication system on a basis of at least one of a parameter notified by the control signal and a number of transmission antennas or transmitters used for transmission of an uplink signal. | 02-23-2012 |
20120044922 | MOBILE COMMUNICATION SYSTEM, RADIO BASE STATION, AND CONTROL METHOD - A radio base station includes a mobile communication system in which a first and second communication area using a carrier in a first and a second frequency band geologically overlap, and includes a radio base station which manages the first and second communication areas. The radio base station includes a determination unit configured to determine whether to perform carrier aggregation, by which a mobile station transmits an uplink signal using the carriers in the first and second frequency band, and a control signal transmission unit configured to transmit a control signal for specifying the carriers in the first and second frequency band when it is determined to perform the carrier aggregation. The mobile station includes a communication unit configured to transmit an uplink signal/receive a downlink signal using the carriers in the first and second frequency bands according to the control signal transmitted by the radio base station. | 02-23-2012 |
20120057563 | RADIO BASE STATION AND MOBILE COMMUNICATION METHOD - A radio base station including a resource assignment unit configured to determine a time direction resource, a frequency direction resource, and a code direction resource which are to be assigned as a reception quality notification resource that should be used for notifying each mobile station of a reception quality in a downlink, the resource assignment unit is configured to determine the time direction resources and the frequency direction resources, which are to be assigned as the reception quality notification resource, and then determine the code direction resources to be assigned as the reception quality notification resource the resource assignment unit is configured to assign, as the reception quality notification resource, in order from a frequency direction resource with a lower usage rate of the code direction resource, within each time direction resource. | 03-08-2012 |
20120063399 | RADIO BASE STATION AND MOBILE COMMUNICATION METHOD - A radio base station includes a resource assignment unit for assigning a resource candidate for transmitting a semi-persistent scheduling transmission acknowledgement signal to a first mobile station during a semi-persistent scheduling bearer setting process. The resource candidate for transmitting a semi-persistent scheduling transmission acknowledgement signal is formed by a combination of a frequency direction resource and a code direction resource by which the first mobile station transmits a transmission acknowledgement signal after a predetermined timing from a timing of receiving downlink data, to the downlink data that has been scheduled by semi-persistent scheduling and has been transmitted via a downlink data channel. The resource assignment unit is configured to assign the resource candidate for transmitting a semi-persistent scheduling transmission acknowledgement signal to the first mobile station based on a number of assignments of predetermined resources formed by a combination of a frequency direction resource and a code direction resource. | 03-15-2012 |
20120063412 | RADIO BASE STATION AND MOBILE COMMUNICATION METHOD - A radio base station including a resource assignment unit configured to assign a time direction resource, a frequency direction resource, and a code direction resource, as a physical signal transmission resource for transmitting a predetermined physical signal, to each mobile station is disclosed. The frequency direction resource is specified by a frequency position within a frequency region when frequency bandwidths used in a plurality of physical signals transmitted by each mobile station are the same. The resource assignment unit is configured to assign the code direction resource after assigning the time direction resource and the frequency direction resource, as the physical signal transmission resource, to each mobile station, when frequency bandwidths used in physical signals transmitted by each mobile station are the same, and assign the code direction resource after assigning the time direction resource and the frequency direction resource, as the physical signal transmission resource, to each mobile station. | 03-15-2012 |
20120087324 | RADIO BASE STATION AND MOBILE COMMUNICATION METHOD - A radio base station according to the present invention comprising: a radio base station configured to transmit a transmission power control command for a mobile station for controlling transmission power of an uplink data signal of the mobile station via a downlink control channel for a transmission power control command mapped to a specific subframe in a downlink channel, the radio base station including a resource assignment unit configured to decide the specific subframe and a transmission unit configured to transmit the transmission power control command for the mobile station via the downlink control channel for the transmission power control command mapped to the specific subframe decided by the resource assignment unit, in which the resource assignment unit is configured to decide the specific subframe according to a number of transmission power control commands transmitted in each subframe. | 04-12-2012 |
20120093123 | RADIO BASE STATION AND MOBILE COMMUNICATION METHOD - A radio base station includes a resource assignment unit configured to determine a time direction resource, a frequency direction resource, and a code direction resource which are to be assigned as a scheduling request transmission resource for transmitting a scheduling request that requests scheduling for uplink data communication to each mobile station. The resource assignment unit is configured to determine the time direction resource and the frequency direction resource, which are to be assigned as the scheduling request transmission resource, and then determine the code direction resource to be assigned as the scheduling request transmission resource. The resource assignment unit is configured to assign, as the scheduling request transmission resource, in order from a frequency direction resource having a lower usage rate of the code direction resource in each time direction resource. | 04-19-2012 |
20120094607 | MOBILE STATION AND MOBILE COMMUNICATION METHOD - A mobile station (UE) according to the present invention includes: a measurement unit ( | 04-19-2012 |
20120099527 | USER EQUIPMENT, BASE STATION DEVICE, AND COMMUNICATION CONTROL METHOD - A radio base station includes a user equipment configured to execute radio communication with a base station device in a mobile communication system including, a control signal reception unit configured to receive a control signal instructing transmission of an uplink signal and an uplink signal transmission unit configured to transmit an uplink signal to the base station device based on the control signal. The uplink signal transmission unit is configured not to transmit the uplink signal when the information contained in the control signal matches predetermined details. | 04-26-2012 |
20120106467 | RADIO BASE STATION AND MOBILE COMMUNICATION METHOD - A radio base station (eNB) according to the present invention includes: a Back-off Indicator transmission unit ( | 05-03-2012 |
20130007550 | RETRANSMISSION CONTROL METHOD AND RECEIVING SIDE APPARATUS - A retransmission side apparatus including a physical control channel receiver unit to receive a physical control channel which includes a new data indicator updated upon transmission of a new packet and a retransmission sequence number indicating whether transmission is first transmission or retransmission. The physical data channel receiver unit is configured to receive a physical data channel associated with the physical control channel. A transmission acknowledgment information transmitter unit transmits transmission acknowledgment information on a packet received through the physical data channel, on the basis of the new data indicator and the retransmission sequence number received through the physical control channel. | 01-03-2013 |
20130058297 | BASE STATION APPARATUS AND COMMUNICATION CONTROL METHOD - A base station apparatus capable of communicating with a user equipment terminal using a downlink shared channel is disclosed. The base station apparatus includes a user selection unit selecting a user equipment terminal to which radio resources are to be allocated, the selection being based on whether there is a MAC-layer control signal to be transmitted to the user equipment terminal. | 03-07-2013 |
20140071765 | SEMICONDUCTOR MEMORY DEVICE AND CONTROL METHOD OF THE SAME - A semiconductor memory device includes a plurality of memory cells and a control circuit configured to apply a program voltage of an initial level to a control electrode of a selected memory cell and then of an increased level a number of times, each time without decreasing the program voltage applied to the control electrode, prior to executing a program verifying operation on the selected memory cell. In addition, the control circuit may further be configured to apply an erase voltage of an initial level to a control electrode of a selected memory cell and then of an increased level a number of times, each time without decreasing the erase voltage applied to the control electrode, prior to executing an erase verifying operation on the selected memory cell. | 03-13-2014 |