Patent application number | Description | Published |
20100248733 | MOBILE STATION APPARATUS, BASE STATION APPARATUS, COMMUNICATION METHOD AND COMMUNICATION SYSTEM - In the case that periodical transmission of transmission signal number-of-sequence quality indicative signal cannot be performed, the number of transmission signal sequences is clarified in association with reception quality information that is generated immediately after the case, and the base station apparatus performs appropriate communication resource allocation. A mobile station apparatus has a feedback information control section | 09-30-2010 |
20110038354 | MOBILE COMMUNICATION SYSTEM, BASE STATION APPARATUS, MOBILE STATION APPARATUS, AND MOBILE COMMUNICATION METHOD - When transmission of a downlink signal is to be performed in sub-frame | 02-17-2011 |
20110065444 | MOBILE STATION APPARATUS, BASE STATION APPARATUS, COMMUNICATION METHOD AND COMMUNICATION SYSTEM - In the case that periodical transmission of transmission signal number-of-sequence quality indicative signal cannot be performed, the number of transmission signal sequences is clarified in association with reception quality information that is generated immediately after the case, and the base station apparatus performs appropriate communication resource allocation. A mobile station apparatus has a feedback information control section | 03-17-2011 |
20110103290 | WIRELESS COMMUNICATION SYSTEM, MOBILE STATION DEVICE, AND WIRELESS RECEPTION METHOD - A base station device includes: a control signal generator that generates a signal of control data including items corresponding to the type of sub-frames to be allocated; a scheduling information signal generator that generates a signal of scheduling information indicating a sub-frame to be a first sub-frame among sub-frames specified by first-type sub-frame candidate information; and a multiplexer that allocates the signal of the control data to the first-type and second-type sub-frames, and allocates the signal of the scheduling information to the first-type sub-frame. A mobile station device includes: a frame-type determining unit that determines the type of each of received sub-frames based on the first-type sub-frame candidate information and the scheduling information; and a control data detector that detects, for each sub-frame, the control data including the items corresponding to the type indicated by the result of the determination by the frame-type determining unit. Accordingly, the processing load on reception of control data is reduced. | 05-05-2011 |
20110134782 | MOBILE STATION APPARATUS, COMMUNICATION SYSTEM AND COMMUNICATION METHOD - In the case that the transmission signal precoding information cannot be transmitted, the transmission signal precoding information is clarified that is used to calculate the reception quality information performed immediately after the case, and a base station apparatus perform suitable communication resource allocation. A mobile station apparatus has a feedback information control section | 06-09-2011 |
20110183697 | WIRELESS COMMUNICATION SYSTEM, BASE STATION APPARATUS AND MOBILE STATION APPARATUS - To optimize transmission periods corresponding to kinds of feedback information, and minimize a reduction in system throughput caused by disagreement of the transmission period with the optimal period, by setting transmission frequencies individually with flexibility corresponding to the kinds of feedback information for a mobile station apparatus to transmit to a base station apparatus, in a wireless communication system in which a mobile station apparatus B measures reception quality of a signal received from a base station apparatus A, and transmits feedback information generated based on the reception quality to the base station apparatus A, the base station apparatus A allocates resources of transmission timing corresponding to the kinds of feedback information, and the mobile station apparatus B transmits a plurality of kinds of feedback information to the base station apparatus using the allocated resources. | 07-28-2011 |
20110194520 | WIRELESS COMMUNICATION SYSTEM, BASE STATION APPARATUS AND MOBILE STATION APPARATUS - To optimize transmission periods corresponding to kinds of feedback information, and minimize a reduction in system throughput caused by disagreement of the transmission period with the optimal period, by setting transmission frequencies individually with flexibility corresponding to the kinds of feedback information for a mobile station apparatus to transmit to a base station apparatus, in a wireless communication system in which a mobile station apparatus B measures reception quality of a signal received from a base station apparatus A, and transmits feedback information generated based on the reception quality to the base station apparatus A, the base station apparatus A allocates resources of transmission timing corresponding to the kinds of feedback information, and the mobile station apparatus B transmits a plurality of kinds of feedback information to the base station apparatus using the allocated resources. | 08-11-2011 |
20110269409 | MOBILE STATION APPARATUS, BASE STATION APPARATUS, COMMUNICATION METHOD AND COMMUNICATION SYSTEM - In the case that periodical transmission of transmission signal number-of-sequence quality indicative signal cannot be performed, the number of transmission signal sequences is clarified in association with reception quality information that is generated immediately after the case, and the base station apparatus performs appropriate communication resource allocation. A mobile station apparatus has a feedback information control section | 11-03-2011 |
20110286436 | RADIO COMMUNICATION SYSTEM, BASE STATION APPARATUS, MOBILE STATION APPARATUS, AND RADIO COMMUNICATION METHOD - Each of mobile station apparatuses | 11-24-2011 |
20120033604 | BASE STATION DEVICE, TERMINAL DEVICE, RADIO COMMUNICATION SYSTEM, TRANSMISSION METHOD, RECEPTION METHOD, AND PROGRAM - A base station device, a terminal device to communicate with a base station device, and a transmission method are disclosed. The base station device includes an indicating part that indicates the availability of the coordinated communication. The base station device also includes a determining part that determines, in accordance with the availability of the coordinated communication, the ratio of the power of a data signal with respect to a transmission symbol including a reference signal to the power of a data signal with respect to a transmission symbol not including a reference signal. | 02-09-2012 |
20120088458 | TRANSMISSION DEVICE, RECEIVING DEVICE, COMMUNICATION SYSTEM, AND COMMUNICATION METHOD - A transmission device includes: a transmitting unit that transmits a common reference signal and a receiving device-specific reference signal to a receiving device; a selecting unit that selects either a first mode reporting a receiving quality using only the common reference signal or a second mode reporting a receiving quality using at least the receiving device-specific reference signal; and a notifying unit that notifies a mode selected by the selecting unit to the receiving device. | 04-12-2012 |
20120269144 | WIRELESS COMMUNICATION SYSTEM, BASE STATION APPARATUS, MOBILE STATION APPARATUS, WIRELESS COMMUNICATION METHOD AND INTEGRATED CIRCUIT - In a wireless communication system a base station apparatus and a mobile station apparatus communicate with each other. The base station sets the number of spatial multiplexing sequences (rank) of data being used by the mobile station when transmitting a PUSCH, further sets orthogonal resources used by the mobile station for the same number of reference signals as the set number of spatial multiplexing sequences which are transmitted together with the PUSCH, and transmits downlink control information indicating the number of spatial multiplexing sequences and information indicating the orthogonal resources for the reference signals. The mobile station receives the downlink control information, selects orthogonal resources to respectively apply to the reference signals, applies the selected orthogonal resources to generate the reference signals, and transmits the generated reference signals to the base station apparatus. | 10-25-2012 |
20130315165 | RADIO COMMUNICATION SYSTEM, BASE STATION APPARATUS, MOBILE STATION APPARATUS, AND RADIO COMMUNICATION METHOD - A radio communication system includes a plurality of mobile station apparatuses and a base statement apparatus. Each of the mobile station apparatuses selects the lowest number and the second lowest number of control channel elements (CCEs) in which downlink allocation information is detected, two combinations, to be applied to transmission antennas, of a physical resource block (PRB), a cyclic shift amount, and an orthogonal code sequence in the time domain, on the basis of values by adding the numbers of CCEs to an offset value broadcast by the base station apparatus. Each of the mobile station apparatuses spreads pilot signals using spread codes based on the two combinations, arranges the spread pilot signals in PRBs corresponding to the signals, and transmits the signals through the transmission antennas. | 11-28-2013 |
20130336261 | MOBILE STATION APPARATUS AND MOBILE COMMUNICATION METHOD USING RESPECTIVE FEEDBACK SCHEMES FOR TRANSMISSION OF MULTIPLE PRE-CODING INDICATORS - A mobile station transmits to a base station a plurality of pre-coding indicators using respective feedback schemes of a plurality of kinds of feedback schemes that can be set simultaneously by the base station. The mobile station receives from the base station a downlink signal on which pre-coders corresponding to one of the transmitted pre-coding indicators have been applied, and a pre-coder confirmation representing whether the corresponding pre-coders have been applied. The pre-coders represented by the pre-coder confirmation are associated with one of the plural feedback schemes. | 12-19-2013 |
20140092881 | Wireless Communication System, Base Station Apparatus and Mobile Station Apparatus - An apparatus for signal processing includes a scheduling unit and a transmitting unit. The scheduling unit is configured to assign one physical uplink control channel resource for transmissions of first group feedback information and second group feedback information. A first periodicity corresponds to the first group feedback information and a second periodicity corresponds to the second group feedback information. The transmitting unit is configured to transmit a transmission parameter of the first periodicity and the second periodicity and information of the assigned physical uplink control channel resource. The first group feedback information includes a transmission of reception quality information and transmission signal precoding information and the second group feedback information includes a transmission of transmission signal sequence information. | 04-03-2014 |
20140198743 | RADIO COMMUNICATION SYSTEM, BASE STATION DEVICE, MOBILE STATION DEVICE, RADIO COMMUNICATION METHOD, AND INTEGRATED CIRCUIT - In a radio communication system in which a mobile station device and a base station device communicate with each other, power of a signal from the mobile station device to the base station device is efficiently controlled. When a finally received DCI format for PUSCH is a DCI format 0 or a DCI format 4 in which two transport blocks are enabled, a scheduling unit ( | 07-17-2014 |