| Patent application number | Description | Published |
|---|
| 20090109920 | WIRELESS COMMUNICATION SYSTEM, BASE STATION AND TRANSMITTING METHOD - A wireless communication system in which a terminal selects a signal from a plurality of known signals and transmits the signal to the base station by any region in a region specified by the base station. The wireless communication system includes a setting unit that sets a region by a frequency range and a time interval as the region to be specified, wherein the region set by the setting unit and a region set by another neighboring base station have a same frequency range and a same time interval. | 04-30-2009 |
| 20090161621 | COMMUNICATION METHOD AND RADIO COMMUNICATION APPARATUS - A communication method for a radio communication system in which a second radio communication apparatus transmits a radio signal with a transmission radio resource designated by a first radio communication apparatus, the communication method includes designating, by the first radio communication apparatus, a transmission radio resource for data and a control signal to the second radio communication apparatus; transmitting, by the second communication apparatus, transmission data and a control signal with the designated transmission radio resource; and determining, by the first radio communication apparatus, whether a further allocation of a transmission radio resource for data to the second radio communication apparatus in response to a reception result of the transmission data is performed or not based on the control signal. | 06-25-2009 |
| 20090186644 | COMMUNICATION METHOD AND RADIO COMMUNICATION APPARATUS - A communication method for a radio communication system includes a first radio communication apparatus for designating a transmission region and a second radio communication apparatus for transmitting a radio signal in the designated transmission region. The first radio communication apparatus designates a transmission region of data and a control signal for the second radio communication apparatus and designates a type of data to be transmitted in the transmission region. The second radio communication apparatus transmits, in the designated transmission region, transmission data and a control signal indicating that the transmission data is transmitted in accordance with the designated type of data or that the transmission data is not transmitted in accordance with the designated type of data. | 07-23-2009 |
| 20090201900 | Radio Base Station, Relay Station, Radio Relay System, And Radio Relay Method - A radio base station for performing communication with a radio terminal via a relay station, including a radio frame generation unit which generates a radio frame including a signal relay region allocated in the relay station to transmit received data with predetermined delay from the radio terminal or the radio base station to the radio base station or the radio terminal respectively, and a data relay region allocated in the relay station to perform demodulation and decode, further encode and modulation processing for receive data and to transmit from the radio terminal or the radio base station to the radio base station or the radio terminal respectively; and a transmission unit which transmits the generated radio frame to the relay station. | 08-13-2009 |
| 20090209199 | RADIO BASE STATION, RELAY STATION, RADIO COMMUNICATION SYSTEM AND RADIO COMMUNICATION METHOD - In order to achieve effective utilization of radio communication resource, there is provided a relay station, for relaying a signal to be transferred between a radio base station and a radio terminal, which includes a storage section adapted to store communication controlling information for communication control with the radio terminal, a base station side signal reception section adapted to receive, from the radio base station, scheduling information in communication between the radio base station and the radio terminal through the relay station, a complementation section adapted to complement contents of the scheduling information received by the base station side signal reception section in accordance with the communication controlling information stored in the storage section, and a terminal side signal transmission section adapted to transmit the scheduling information whose contents are complemented by the complementation section to the radio terminal. | 08-20-2009 |
| 20090247171 | TRANSMISSION METHOD, WIRELESS BASE STATION, AND WIRELESS COMMUNICATION METHOD - A transmission method that can implement efficient communication control. A transmission block sends a signal of a first frequency band allocated to each zone, by a first directive beam which covers the entire zone, in a first time slot of a predetermined period and sends a signal of a second frequency band which contains the first frequency band and has a greater width than the first frequency band, by a second directive beam which covers a part of the zone and has a smaller beam width than the first directive beam, in a second time slot of the predetermined period. | 10-01-2009 |
| 20090262698 | Wireless Resource Allocation Method In Wireless Communication System And Wireless Base Station In The Same - A wireless base station monitors a state of reception in a common transmission region (channel) in a wireless frame common to a plurality of wireless terminals, and controls allocation of a transmission region in the wireless frame to be used for transmission by the wireless terminals on the basis of a result of the monitoring and information about priority set to each of the plural wireless terminals. The wireless resource can be preferentially allocated to a wireless terminal of a user having high priority even when the common communication region used to obtain permission to send a bandwidth request is congested. | 10-22-2009 |
| 20090268679 | WIRELESS COMMUNICATION METHOD AND COMMUNICATION APPARATUS - A wireless communication method for performing wireless communication between a first and second communication apparatus, including the steps of: allocating a first subchannel in a first frequency region of a wireless frame to the second communication apparatus when the second communication apparatus performs a first communication, and allocating a second subchannel in a second frequency region of the wireless frame to the second communication apparatus when the second communication apparatus performs a second communication, by the first communication apparatus; and changing physical subchannels within the first frequency region and performing transmission when the first sunchannel is allocated to the second communication apparatus, and changing physical subchannels within the second frequency region and performing transmission when the second subchannel is allocated to the second communication apparatus, by the second communication apparatus, wherein the first frequency region and the second frequency region are set so as not to have frequency overlap. | 10-29-2009 |
| 20100017672 | Method Of Retransmission Control In Wireless Relay System, Wireless Relay Station, And Wireless Base Station - If a reception result from an MS for the previous transmission data is a reception failure, second allocation information for retransmitting the previous transmission data is generated by an RS based on allocation information on a wireless resource for transmission of new data. The second allocation information and the previous transmission data are transmitted to the MS, and the new data is buffered. | 01-21-2010 |
| 20100238895 | Scheduling Method, Wireless Base Station, And Wireless Terminal - A wireless base station for performing wireless communication with a wireless terminal using a frequency bandwidth different from another adjacent wireless base station in a first time period and performing wireless communication with a wireless terminal using a frequency bandwidth shared with another adjacent wireless base station in a second time period and including a control unit that does not change a burst profile to be applied to an uplink transmission or assigns a burst profile corresponding to a wireless transmission rate equal to or less than a wireless transmission rate corresponding to an applied burst profile with respect to a wireless terminal used for wireless communication in the first time period. | 09-23-2010 |
| 20100317359 | RADIO COMMUNICATION APPARATUS AND SCHEDULING METHOD - A base station configuring a plurality of sectors adjacent to one another and controlling communication with a plurality of mobile stations, the base station including: a position determination unit configured to determine, for the mobile stations, a mobile station present at a sector boundary and in the vicinity of the base station; and a scheduling unit configured to allocate, to the determined mobile station, a frequency domain that is not used in a sector adjacent to a sector in which the determined mobile station is present. | 12-16-2010 |
| 20110013723 | Receiving Apparatus, Transmitting Apparatus, Reception Method, And Transmission Method - A reception unit receives data from communication apparatuses. A transmission unit transmits data to the communication apparatuses. A control unit determines, in an adaptive way, which modulation and coding schemes to use to transmit and receive data. At a first stage, a modulation and coding scheme with a low transmission rate or a modulation and coding scheme that minimizes power requirements is selected from among a plurality of candidates therefor. At a second stage, the modulation and coding scheme of at least one of the communication apparatuses is changed to another scheme having a higher transmission rate, when it is impossible to allocate sufficient resources for the modulation and coding schemes selected at the first stage. | 01-20-2011 |
| 20110064020 | RELAY METHOD, AND RELAY APPARATUS IN WIRELESS COMMUNICATION SYSTEM - A relay station performing wireless communications with a plurality of other relay stations and at least one wireless terminal, the relay station including: a scheduler, when at least one of the relay station and the other relay stations receives data from a wireless terminal controlled thereby, generating a first map such that the data is exchanged among the relay station and the other relay stations during a first period, and generating a second map such that the data as received during the first period is transmitted to the controlled wireless terminal during a second period. | 03-17-2011 |
| 20110064060 | Method For Allocating Wireless Resource, Base Station, And Mobile Station - A base station allocates, when receiving a first code included in a predetermined code group from a first mobile station, a wireless resource in a first communication region corresponding to the first code, to the first mobile station, and allocates, when receiving a second code not included in the predetermined code group from a second mobile station, a wireless resource in a second communication region corresponding to the second code, to the second mobile station. | 03-17-2011 |
