Patent application number | Description | Published |
20080311910 | MOBILE STATION AND HANDOVER CONTROL METHOD - A mobile station includes a handover controller. When the mobile station simultaneously communicates with a plurality of radio base stations by using first channels and communicates only with a certain one of the plurality of radio base stations by using a second communication channel, and even when the radio quality of the certain radio base station communicating by using the second communication channel becomes deteriorated, the handover controller maintains communications with the certain radio base station communicating by using the second communication channel. | 12-18-2008 |
20080318614 | MOBILE STATION AND TRANSMISSION POWER CONTROL METHOD IN MOBILE STATION - To provide a mobile station and a transmission power control method in the mobile station, which are capable of improving the power saving characteristic associated with the transmission power control in the mobile station under a condition in which the transmit diversity is applied. The transmission power of feedback information ( | 12-25-2008 |
20090287970 | COMMUNICATION TERMINAL DEVICE AND RECEPTION ENVIRONMENT REPORTING METHOD - A communication terminal device and a reception environment reporting method produce a more excellent throughput, by making a report of a reception environment with higher accuracy. An SIR measuring section measures an SIR from a reception signal that has been received from a base transceiver station. A CQI converter converts the SIR that has been measured by the SIR measuring section into a CQI value. A BLER calculating section calculates a block error rate of the reception signal. A CQI correcting section corrects the CQI value that has been calculated by the CQI converter, in accordance with the block error rate. A CQI transmitter transmits the CQI value that has been corrected by the CQI correcting section, to the base transceiver station. | 11-19-2009 |
20100267413 | COMMUNICATION TERMINAL AND METHOD FOR USE IN RADIO COMMUNICATION SYSTEM - A disclosed communication terminal includes a determination unit analyzing a received downlink control signal and determining an allowable maximum uplink transmission power level, a measurement unit performing different frequency measurement in a transmission gap period, a threshold determination unit determining whether the allowable maximum level is higher than or equal to a threshold within a predefined period before the start and/or after the end of the transmission gap period, a transmission power control unit setting an uplink transmission power level, and a transmission unit transmitting an uplink signal at the determined power level. If the allowable maximum level is higher than or equal to the threshold, the transmission power control unit sets the uplink transmission power level to or below a predefined level lower than the allowable maximum level within the predefined period before the start and/or after the end of the transmission gap period. | 10-21-2010 |
20100271969 | COMMUNICATION METHOD AND COMMUNICATION TERMINAL FOR RADIO COMMUNICATION SYSTEM - A communication method for a radio communication system employing an enhanced uplink scheme includes the steps of determining a transmission power control bit for controlling transmission power of a downlink control channel; generating an uplink control signal including the transmission power control bit; and transmitting the uplink control signal to a base station. In the determining step, whether an indicator channel indicating acknowledgement or negative acknowledgement for an uplink data channel is receivable at a quality level better than a predetermined value is evaluated, and the transmission power control bit of the indicator channel is determined based on the evaluation result. | 10-28-2010 |
Patent application number | Description | Published |
20080253310 | Mobile Communication Terminal, and Multipath Interference Eliminating Method - Properties of a mobile communication terminal car be improved by eliminating interference according to environments of various reception paths. The mobile communication terminal generates a delay profile by a common pilot chapel sent from a base station and measures received electric power and delay amount of the reception path. Next, based on the delay profile, the delay amount of a reception path P | 10-16-2008 |
20090023392 | MOBILE COMMUNICATION TERMINAL AND METHOD FOR CONTROLLING ACTIVATION OF MULTI-PATH INTERFERENCE REMOVING APPARATUS - An increase in the power consumption and deterioration of the reception characteristic which can arise as a result of installing a multi-path interference removing apparatus are suppressed. The multi-path interference removing apparatus is operated only in the following cases: a case where a mobile communication terminal is in a communication active state, a case where communication takes place via a base station to which the adaptive modulation and coding technology is applied, a case where the number of reception paths of the mobile communication terminal is two or more paths, a case where the speed of motion of the mobile communication terminal is 60 km/h or less, and a case where the Signal to Interference power Ratio is 8 dB or more. | 01-22-2009 |
20090054025 | MOBILE COMMUNICATION TERMINAL AND METHOD FOR CONTROLLING A PLURALITY OF RECEIVING APPARATUSES MOUNTED ON MOBILE COMMUNICATION TERMINAL - Signals are received with a wider power range even through the use of existing AGCs than by conventional mobile communication terminals. In an AGC on one antenna side, in order to enable reception of a signal at a higher level, a target TA of a dynamic range DA of this AGC is changed to a value 5 dB higher than a value defined as a standard TS. On the other hand, in an AGC on another antenna side, in order to enable reception of a signal at a lower level, a target TB of a dynamic range DB of this AGC is changed to a value 5 dB lower than the value defined as the standard TS. | 02-26-2009 |