Patent application number | Description | Published |
20110032848 | MOBILE COMMUNICATIONS SYSTEM, BASE STATION APPARATUS, USER APPARATUS AND METHOD - A base station apparatus used for a FDD mobile communications system which uses at least a predetermined frequency bandwidth is disclosed. The base station apparatus includes a control unit which provides an instruction signal which at least indicates a frequency band used in wireless communications; and a unit which wirelessly communicates with a user apparatus according to the instruction signal, wherein, if the base station apparatus belongs to a predetermined border area between mobile communications systems, an instruction signal which indicates that use of one part of the predetermined frequency band is permitted, but use of another part is prohibited is provided by the control unit, and, if the base station apparatus belongs to a predetermined non-border area, an instruction signal which indicates that use of one part and use of the other part are permitted. | 02-10-2011 |
20130308540 | COMMUNICATION CONTROL METHOD, MOBILE COMMUNICATION SYSTEM AND MOBILE TERMINAL APPARATUS - The present invention is designated to reduce the deterioration of transmission characteristics upon data transmission, even when soft buffer memory for retransmission control is not sufficiently secured in a mobile terminal apparatus. The present invention provides the steps of, in a base station apparatus (eNB), performing channel coding of information bits (ST | 11-21-2013 |
20140192758 | COMMUNICATION SYSTEM, BASE STATION APPARATUS, MOBILE TERMINAL APPARATUS AND COMMUNICATION METHOD - The present invention is designed to use frequency resources effectively, even in the situation where a plurality of mobile terminal apparatuses of varying capabilities coexist. A communication system, in which a mobile terminal apparatus ( | 07-10-2014 |
20140211733 | MOBILE COMMUNICATION METHOD AND MOBILE STATION - A mobile communication method and a mobile station appropriately use equivalent band indicators. The mobile communication method includes: a step of broadcasting, by a radio base station BS, a band indicator indicating a band 19 and an equivalent band indicator indicating bands 5 and B26 overlapping the band 19; and a step of performing, by a mobile station UE, an connection process in a band 5 or B26 when the mobile station is not compatible with the band 19 indicated by the received first band indicator and is compatible with the band 5 or B26 indicated by the received equivalent band indicator. | 07-31-2014 |
20140213268 | MOBILE COMMUNICATION METHOD AND RADIO BASE STATION - In order to appropriately set CA, a mobile communication method according to the present invention includes the steps where: a mobile station UE notifies a radio base station eNB of a “CA band combination” that is supported by the mobile station UE among “CA band combinations”; and the radio base station eNB determines whether or not to set carrier aggregation for the mobile station UE on the basis of whether or not “NS” corresponding to a band used in carrier aggregation is included in the “NS” specified by the received “CA band combination”. | 07-31-2014 |
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 |
20140269601 | MOBILE COMMUNICATION METHOD AND RADIO BASE STATION - The present invention enables, without defining a new band, use of a network signaling value for multi-cluster communication in an existing band where no network signaling value has been defined. A mobile communication method according to the present invention includes: a step A of notifying, by a radio base station eNB, a mobile station UE of a network signaling value through “RRC Reconfiguration,” the mobile station UE being performing single cluster communication using one component carrier in a supported band; and a step B of reducing, by the mobile station UE, transmission power in the single cluster communication on the basis of the network signaling value. | 09-18-2014 |
20140286201 | MOBILE COMMUNICATION METHOD, RADIO BASE STATION, AND MOBILE STATION - A duplexer D | 09-25-2014 |
20140293947 | RADIO COMMUNICATION SYSTEM, USER TERMINAL AND RADIO COMMUNICATION METHOD - To ensure stable operation of a user terminal even in the case where the user terminal is instructed to transmit uplink signals at different transmission timings with a plurality of component carriers, in a radio communication system provided with a radio base station apparatus that indicates transmission timings of uplink signals for each component carrier, and a user terminal that transmits an uplink signal at a transmission timing set based on transmission timing information indicated from the radio base station apparatus and the like, it is a feature that the radio base station apparatus indicates different transmission timing information in a plurality of component carriers, and that the user terminal avoids simultaneous transmission of uplink signals in the case of performing communications using a plurality of contiguous component carriers. | 10-02-2014 |
20140294125 | RECEIVER - Appropriate reception processing is performed using a CRS-based estimation method for a covariance matrix R | 10-02-2014 |
20140307838 | RECEIVER - The IRC receiver 10 according to the present invention includes a channel estimation unit 11 that performs a channel estimation process so as to estimate a channel matrix H, a transmission weight matrix generation unit 13 that generates a transmission weight matrix W | 10-16-2014 |
20140314189 | RECEIVER - Provided is a receiver to improve the accuracy of estimating a covariance matrix R | 10-23-2014 |
20150016372 | RADIO BASE STATION AND MOBILE STATION - A mobile station UE according to the present invention includes a controller unit | 01-15-2015 |
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 |