Patent application number | Description | Published |
20110105064 | RADIO COMMUNICATION DEVICE AND RADIO COMMUNICATION METHOD - A radio base station ( | 05-05-2011 |
20110170622 | WIRELESS COMMUNICATION APPARATUS AND WIRELESS COMMUNICATION METHOD - A wireless communication apparatus prevents deterioration of communication characteristics because of a transmission weight of a highest common factor and enhances the communication characteristics of feedback MIMO. A wireless communication apparatus having antennas includes a reception unit for obtaining channel state information of channels received from another wireless communication apparatus, a channel state information calculation unit for dividing a predetermined frequency band into regions, selecting a particular region based on the number of channels included in each of the regions and the channel state information of the channels, and calculating representative channel state information of the predetermined frequency band overall based on the channel state information of the channels included in the particular region, a transmission weight selection unit for selecting a transmission weight based on the representative channel state information, and a transmission unit for transmitting identification information of the transmission weight to the another wireless communication apparatus. | 07-14-2011 |
20110299607 | WIRELESS COMMUNICATION APPARATUS AND WIRELESS COMMUNICATION METHOD - Provided is a wireless communication apparatus which prevents deterioration of communication characteristics because of a transmission weight of a greatest common factor and enhances the communication characteristics of feedback MIMO. A wireless communication apparatus having a plurality of antennas includes a reception unit for receiving signals of channels in a predetermined frequency band from another wireless communication apparatus and obtaining channel state information of the channels, a determination unit for determining a variation in the channel state, a channel state information calculation unit, if there is a variation in the channel state information, for calculating representative channel state information of the predetermined frequency band overall based on the variation, a transmission weight selection unit for selecting a transmission weight based on the representative channel state information, and a transmission unit for transmitting identification information of the transmission weight to the another wireless communication apparatus. | 12-08-2011 |
20120057500 | RADIO BASE STATION AND COMMUNICATION CONTROL METHOD - A control unit ( | 03-08-2012 |
20120122469 | RADIO BASE STATION AND COMMUNICATION CONTROL METHOD - A control unit ( | 05-17-2012 |
20120122508 | RADIO BASE STATION AND COMMUNICATION CONTROL METHOD - A control unit ( | 05-17-2012 |
20120122509 | RADIO BASE STATION AND COMMUNICATION CONTROL METHOD - When estimating the quality (SINR) of a PDCCH corresponding to a local sector formed by a radio base station ( | 05-17-2012 |
20120140667 | RADIO BASE STATION AND COMMUNICATION CONTROL METHOD - A control unit ( | 06-07-2012 |
20120170535 | RADIO BASE STATION AND COMMUNICATION CONTROL METHOD - When allocating CCEs as a radio resource to a new radio terminal within a predetermined sector, the disclosed radio base station ( | 07-05-2012 |
20120172077 | RADIO BASE STATION AND COMMUNICATION CONTROL METHOD - When allocating CCEs as a radio resource to a plurality of radio terminals within a predetermined sector, the disclosed radio base station ( | 07-05-2012 |
20120202545 | COMMUNICATION SYSTEM, RADIO BASE STATION, AND COMMUNICATION CONTROL METHOD - The disclosed radio base station ( | 08-09-2012 |
20120202546 | COMMUNICATION SYSTEM, RADIO BASE STATION, AND COMMUNICATION CONTROL METHOD - A radio base station ( | 08-09-2012 |
20120208546 | COMMUNICATION SYSTEM, RADIO BASE STATION, AND COMMUNICATION CONTROL METHOD - A radio base station ( | 08-16-2012 |
20120220332 | RADIO COMMUNICATION SYSTEM, HIGH-POWER BASE STATION, LOW-POWER BASE STATION, RADIO TERMINAL, AND RADIO COMMUNICATION METHOD - When the received power level of the low-power PDCCH control information from a low-power base station ( | 08-30-2012 |
20130028228 | RADIO COMMUNICATION SYSTEM, HIGH-POWER BASE STATION, LOW-POWER BASE STATION, AND COMMUNICATION CONTROL METHOD - A radio communication system ( | 01-31-2013 |