| Patent application number | Description | Published |
|---|
| 20090022212 | CDMA RECEIVING APPARATUS AND CDMA RECEIVING METHOD - A CDMA receiving apparatus | 01-22-2009 |
| 20090168714 | RADIO COMMUNICATION APPARATUS AND CONTROL METHOD FOR RADIO COMMUNICATION SYSTEM - A control method for a radio communication system, wherein a first apparatus transmits a radio signal used to select a radio resource to a second apparatus and when the second apparatus receives a radio signal for requesting allocation of a radio resource from the first apparatus, the second apparatus selects a radio resource to be allocated to the first apparatus based on a radio signal used to select the radio resource and transmits information of the selected radio resource to the first apparatus Consequently, the first apparatus transmits transmission data by using the radio resource specified by the information. The method includes regulating transmission of the radio signal used to select the radio resource to be allocated when the first apparatus receives a particular signal from the second apparatus. | 07-02-2009 |
| 20090213969 | Wireless Communication Device, Equalizer, Computer-Readable Medium Storing Program for Obtaining Weight Coefficients in the Equalizer, and Process for Obtaining Weight Coefficients in the Equalizer - In an equalizer arranged in a wireless communication device: information on correlation in one or more first wireless signals is generated; a channel vector is generated on the basis of the one or more first wireless signals; an extended correlation matrix which contains a correlation matrix indicating the information on correlation and is extended so as to become a circulant matrix is generated; an extended channel vector is generated by extending the channel vector so that the extended channel vector contains elements of the channel vector and has rows the number of which is identical to the number of rows of the extended correlation matrix; and weight coefficients are calculated as a solution, in the frequency domain, of an equation expressed by the extended correlation matrix and the extended channel vector, where the solution is obtained by solving the equation. | 08-27-2009 |
| 20090270094 | Radio base station, mobile station, and communication method - A radio base station improved in the efficiency of processing random accesses from mobile stations. The radio base station designates a random access signal when transmitting downlink data to a mobile station. The mobile station transmits the designated random access signal to the radio base station. The radio base station transmits, to the mobile station, timing adjustment information prepared based on the result of reception of the random access signal and allocation information about an uplink radio resource allocated to the mobile station. If there is control data to be transmitted to the radio base station, the mobile station transmits the control data by using the allocated uplink radio resource, and if there is no control data to be transmitted, the mobile station transmits a synchronization completion report prepared in reply to the timing adjustment information. | 10-29-2009 |
| 20090325514 | WIRELESS COMMUNICATION SYSTEM AND TRANSMISSION DEVICE - The present invention relates to a wireless communication system to properly switch over a transmission method of radio signals corresponding to a configuration of a receiver. The wireless communication system according to the present invention includes a transmitting device having a plurality of antennas and capable of transmitting radio signals different from each other from these antennas, and a receiving device having at least one antenna and receiving the radio signals transmitted from the transmitting device. The receiving device comprises an information transmitting unit transmitting, to the transmitting device, configuration information about a configuration of the receiving device, and the transmitting device includes a transmitting unit transmitting the radio signals by a transmission method corresponding to the configuration information received from the receiving device. | 12-31-2009 |
| 20100002642 | RADIO COMMUNICATION APPARATUS, SYSTEM AND METHOD - A radio communication apparatus includes a generation unit that generates first and second reception quality information, a transmission unit that transmits the first and second reception quality information to another radio communication apparatus, and a reception unit that receives first allocation information indicating frequency resource allocated by the other radio communication apparatus to the radio communication apparatus based on the first reception quality information, and second allocation information indicating a modulation scheme and a coding rate determined by the other radio communication apparatus based on the second reception quality information with respect to the radio communication apparatus. | 01-07-2010 |
| 20100008412 | CONTROL APPARATUS FOR AND CONTROL METHOD OF EQUALIZER, AND WIRELESS TERMINAL HAVNG THAT CONTROL APPARATUS - For the first wireless base station, a first correlation value based on a calculation result on channel estimation values having an identical signal timing and a calculation result on channel estimation values having different signal timings, and determines, for the second wireless base station, a second correlation value based on a calculation result on channel estimation values having an identical signal timing, and controls the weighting-adding at the equalizer based on these correlation values. | 01-14-2010 |
| 20100020855 | CONTROL APPARATUS FOR AND CONTROL METHOD OF EQUALIZER, AND WIRELESS TERMINAL HAVING THAT CONTROL APPARATUS - A channel estimation value of each path timing is determined, a path timing, the channel estimation value of which is to be set to zero, is determined based on a reception power of each path timing and a predetermined power threshold (P | 01-28-2010 |
| 20100035622 | TERMINAL APPARATUS, BASE STATION APPARATUS DETECTION METHOD, WIRELESS COMMUNICATION SYSTEM, AND BASE STATION APPARATUS - A terminal apparatus in a wireless communication system having a first and second base station group, and for which access is permitted for a specific base station, and not for a base station other than the specific base station, in the base station belonging to the second base station group, including: a reception unit which receives an identifier from any of base stations belonging to the first base station group; and a detection unit which executes base station detection processing for the second base station group, if the received identifier is an identifier of a base station corresponding to the specific base station in the base station belonging to the first base station group, and restrict execution of the base station detection processing, if not the identifier of the base station corresponding to the specific base station in the base station belonging to the first base station group. | 02-11-2010 |
| 20100069122 | Communication Characteristic Control Method, Pilot Control Method, Base Station And Mobile Station - A control method in a mobile communication system comprising an antenna group including a plurality of antennas each transmitting different antenna identification information includes assigning identification information that allows distinction among antennas included in an antenna subgroup to each antenna included in the antenna subgroup, the antenna subgroup being part of the antenna group; notifying the correspondence between each antenna included in the antenna subgroup and the identification information to a mobile station; and the mobile station using the identification information to distinguish among the antennas included in the antenna subgroup based on the notified correspondence. | 03-18-2010 |
| 20100142609 | Reception Station, Communication System And Transmission Diversity Control Method - In a transmission diversity control method in which a request to start or stop transmission diversity is issued by a reception station to a transmission station having a transmission diversity function, the reception station is provided with an equalizer to reduce multipath interference on the basis of a signal correlation, a transmission diversity start request is issued from the reception station to the transmission station when an effect generated by the equalizer is small, and a transmission diversity stop request is issued from the reception station to the transmission station when the effect generated by the equalizer is large. | 06-10-2010 |
| 20100158153 | Transmission Method And Transmission Apparatus - A transmission apparatus obtains, for each transmission to a reception apparatus, information on a per-bit transmission of a transmission bit string, and controls a per-bit transmission condition for a current transmission bit string such that a per-bit transmission quality of the transmission bit string approaches evenly based on cumulative information on the transmissions up to the last transmission. | 06-24-2010 |
| 20100172373 | CONTROL DATA COMMUNICATION METHOD AND APPARATUS THEREOF - A control data communication method for multiplexing and transmitting a plurality of mutually independent types of control data by using a control channel and for separating the control data received from the control channel includes changing and transmitting patterns of reference signals included in the control channel according to a format for multiplexing the control data, detecting the format for multiplexing the transmitted control data according to the pattern of the reference signals included in the control channel, and separating the control data in correspondence with the detected format. | 07-08-2010 |
| 20110013617 | RADIO COMMUNICATION METHOD, TERMINAL APPARATUS, BASE STATION APPARATUS, AND RADIO COMMUNICATION SYSTEM - A radio communication method in a radio communication system which performs radio communication between a terminal apparatus and a base station apparatus, the radio communication method including: selecting one of a first transmission method or a second transmission method on the basis of transmission power of transmission signal transmitted from the terminal apparatus, in the base station apparatus; and transmitting the transmission signal to the base station apparatus by the selected first or second transmission method, in the terminal apparatus. | 01-20-2011 |
| 20110021226 | RADIO COMMUNICATION METHOD, TERMINAL APPARATUS, BASE STATION APPARATUS, AND RADIO COMMUNICATION SYSTEM - A radio communication method in a radio communication system which performs radio communication between a terminal apparatus and a base station apparatus, the radio communication method including: selecting one of a first transmission method or a second transmission method on the basis of transmission power of transmission signal transmitted from the terminal apparatus, in the base station apparatus; and transmitting the transmission signal to the base station apparatus by the selected first or second transmission method, in the terminal apparatus. | 01-27-2011 |
