Patent application number | Description | Published |
20090059883 | RADIO BASE STATION AND METHOD OF RECEIVING PHYSICAL CONTROL CHANNEL - Provided are a radio base station and a method of receiving a physical control channel which are capable of achieving enhanced data-transmission efficiency of an uplink physical channel when a code division multiple access scheme is used. The radio base station includes: a correlation unit configured to determine a degree of correlation between a code word transmitted from the mobile device through a physical control channel and each replica of the code word, and to then select the replica having a higher degree of correlation than a predetermined degree; an identification unit configured to identify a control information piece contained in the selected replica; and a code-word replica generator configured to reduce the number of the replicas when the control information piece is identified. | 03-05-2009 |
20090092104 | RADIO COMMUNICATION SYSTEM, RADIO COMMUNICATION METHOD AND BASE STATION - In a radio communication system in which a radio terminal | 04-09-2009 |
20090092120 | RADIO COMMUNICATION SYSTEM, RADIO COMMUNICATION METHOD AND BASE STATION - A radio communication system includes: a serving cell (for example, cell A functional unit | 04-09-2009 |
20090093254 | RADIO COMMUNICATION SYSTEM, RADIO COMMUNICATION METHOD AND BASE STATION - A radio communication system includes: a serving cell (for example, cell A functional unit | 04-09-2009 |
20090093256 | RADIO COMMUNICATION SYSTEM, RADIO COMMUNICATION METHOD AND BASE STATION - The radio terminal | 04-09-2009 |
20090103479 | RADIO COMMUNICATION SYSTEM, RADIO COMMUNICATION METHOD, BASE STATION AND RADIO TERMINAL - A radio terminal | 04-23-2009 |
20090104914 | TRANSMISSION RATE CONTROL METHOD, MOBILE COMMUNICATION SYSTEM AND RADIO BASE STATION - A transmission rate control method according to the present invention includes: selecting, at the radio base station NodeB, increase-allowed mobile stations whose uplink user data transmission rate can be increased at a predetermined TTI; equally dividing, at the radio base station NodeB, an available radio resource at the predetermined TTI, based on the number of increase-allowed mobile stations or the number of E-AGCHs that can be transmitted in the cell; and adding, at the radio base station NodeB, the radio resource equally divided by a radio resource allocating unit | 04-23-2009 |
20090137242 | TRANSMISSION RATE CONTROL METHOD, MOBILE COMMUNICATION SYSTEM AND RADIO BASE STATION - A transmission rate control method including: notifying, from the mobile station UE to the radio base station NodeB, a data amount in a transmission buffer of the mobile station UE; determining, at the radio base station NodeB, a maximum allowable value that can be notified to the mobile station UE, in accordance with the data amount in the transmission buffer; calculating, at the radio base station NodeB, as a granted value to be notified to the mobile station UE, a value that does not exceed the maximum allowable value, notifying, from the radio base station Node B to the mobile station UE, the granted value calculated at the radio base station UE, by using a transmission rate control channel; and transmitting, at the mobile station UE, the uplink user data, at a transmission rate corresponding to the granted value notified from the radio base station NodeB. | 05-28-2009 |
20090147745 | RADIO COMMUNICATION SYSTEM, RADIO COMMUNICATION METHOD AND BASE STATION - A base station | 06-11-2009 |
20090191886 | TRANSMISSION RATE CONTROL METHOD AND RADIO BASE STATION - A transmission rate control method according to the present invention includes: determining, at the radio base station NodeB, a maximum granted value that can be notified to the mobile station UE, in accordance with the happy bit notified from the mobile station UE; calculating, at the radio base station NodeB, as an allowable value to be notified to the mobile station UE, a granted value not more than the maximum granted value; notifying, from the radio base station NodeB to the mobile station UE, the granted value calculated at the radio base station NodeB, by using a transmission rate control channel; and transmitting, from the mobile station UE, the uplink user data, at a transmission rate corresponding to the granted value notified from the radio base station NodeB. | 07-30-2009 |
20090191887 | TRANSMISSION RATE CONTROL METHOD AND RADIO BASE STATION - A transmission rate control method according to the present invention includes: determining, at the radio base station NodeB, a maximum granted value that can be notified to the mobile station UE, in accordance with a throughput at which the uplink user data transmitted from the mobile station UE to the radio base station NodeB is successfully received at a point of time; calculating, at the radio base station NodeB, as an allowable value to be notified to the mobile station UE, a granted value not more than the maximum granted value; notifying, from the radio base station NodeB to the mobile station UE, the granted value calculated at the radio base station NodeB, by using a transmission rate control channel; and transmitting, from the mobile station UE, the uplink user data, at the transmission rate corresponding to the granted value notified from the radio base station NodeB. | 07-30-2009 |
20090196246 | MOBILE COMMUNICATION METHOD, MOBILE COMMUNICATION SYSTEM, AND RADIO BASE STATION - A mobile communication method according to the present invention includes: notifying, from a MAC-e functional unit | 08-06-2009 |
20090197633 | MOBILE COMMUNICATION METHOD, MOBILE COMMUNICATION SYSTEM AND RADIO NETWORK CONTROLLER - A mobile communication method includes: (A) assigning, at a radio network controller, a channelization code and a transmission timing for the mobile station on the basis of a status of use of a channelization code and a transmission timing in a sector other than a specific sector when the mobile station sets a radio link with the radio base station in the specific sector; and (B) notifying, from the radio base station, the mobile station of the transmission power control information via the transmission power control channel using the channelization code and the transmission timing assigned at the radio network controller. | 08-06-2009 |
20090201856 | RADIO COMMUNICATION SYSTEM, RADIO COMMUNICATION METHOD, AND BASE STATION - A base station includes a first selecting unit that selects a reduction target terminal, a first calculating unit that calculates a reduction amount of assigned transmission rate assigned to the reduction target terminal, a second selecting unit that selects an increase target terminal, a second calculating unit that calculates an increase amount of the assigned transmission rate assigned to the increase target terminal, and a transmitting unit that transmits transmission rate control date to a radio terminal. The second selecting unit selects the increase target terminal and the second calculating unit calculates the increase amount when the reduction target terminal is not selected by the first selecting unit. | 08-13-2009 |
20090201870 | MOBILE COMMUNICATION METHOD, MOBILE COMMUNICATION SYSTEM AND RADIO BASE STATION - A mobile communication method according to the present invention includes: controlling, at the radio base station NodeB, the transmission power in the DPCCH by use of an inner loop transmission power control based on a target SIR; transmitting, at the mobile station UE, the uplink packet, at the transmission power in the E-DPDCH, the transmission power being determined based on the SG and the transmission power in the DPCCH; and determining, at the radio base station NodeB, the target SIR, by use of an outer loop transmission power control based on a HARQ transmission number and a reception result of an uplink packet transmission of the HARQ transmission number, the HARQ transmission number indicating what number transmission in the HARQ retransmission control is the uplink packet transmission. | 08-13-2009 |
20100235710 | SIGNAL TRANSMISSION METHOD AND TRANSMITTER IN RADIO MULTIPLEX TRANSMISSION SYSTEM - A disclosed signal transmission method in a radio multiplex transmission system comprises the steps of: serial-to-parallel converting serial data to be transmitted into N (N: two or more) parallel data series; independently performing an error-correcting encoding process on the parallel signals of the N data series serial-to-parallel converted; parallel-to-serial converting the parallel signals encoded with error-correcting codes; performing an interleaving process on the parallel-to-serial converted signals; serial-to-parallel converting the interleaved signals into L (L: two or more) parallel data series and transmitting each of the L data series using L antennas; receiving the transmitted signals; separating the received signals into M (M: two or more) data series and parallel-to-serial converting the M data series; performing a deinterleaving process on the parallel-to-serial converted signals; serial-to-parallel converting the deinterleaved signals into N data series; independently performing an error-correcting decoding process on the parallel signals of the N data series serial-to-parallel converted; and parallel-to-serial converting the signals in which the error-correcting codes are decoded, thereby recovering the transmitted data. | 09-16-2010 |