Patent application number | Description | Published |
20080316934 | Reception Quality Measurement Method, Transmission Power Control Method and Devices Thereof - A mobile station that receives F-DCPH symbols and CPICH symbols from a base station: (1) averages a plurality of CPICH symbols in a time sequence before a certain time of interest and estimates a channel, then uses the obtained channel estimation value and the CPICH symbol at the time of interest to calculate an interference power ISCP; (2) averages a plurality of CPICH symbols in a time sequence that include the CPICH symbol at the time of interest and estimates a channel, then uses the obtained channel estimation value and the CPICH symbol at that time of interest to calculate a reference ISCP; (3) corrects an interference power ISCP at the next time of interest using the difference between the ISCP and the reference ISCP; and (4) uses the ISCP that is obtained by the correction and a reception power RSCP of the F-DCPH symbol to calculate a signal to interference power ratio SIR of the mobile station. | 12-25-2008 |
20090241003 | COMMUNICATION METHOD AND COMMUNICATION APPARATUS - A communication method including receiving a common channel signal, transmitting information indicating a reception state based on data included in the received signal, determining whether or not the data included in the received signal is acquirable, measuring fading speed based on the received signal in the case where the data is determined not to be acquirable, estimating whether or not the data is determined to be acquirable by re-determination based on the measurement result, and adding specified signals before and after the information indicating the reception state when the estimating results in a determination that the data is acquirable by re-determination. | 09-24-2009 |
20090325506 | Method For Controlling Communication in Wireless Terminal and Wireless Terminal - An UE receives a downlink data channel from a BS, calculates a reception quality value related to the downlink data channel, monitors a transmission rate of an uplink data channel to BS, and reduces the calculated reception quality value based on a result of the monitoring. | 12-31-2009 |
20100165974 | INTERFACE CIRCUIT AND DATA RECEIVING METHOD - An interface circuit for use in a baseband module, and receiving data from a radio frequency module intermittently, the data including a synchronization pattern followed by a payload data, the interface circuit includes: a receiver for receiving data transmitted from the radio frequency module; a timer for indicating estimated time intervals of intermittently transmitted data from the radio frequency module; and a processor for controlling detection of the synchronization pattern in portions of the received data included in a time window designated by the time intervals estimated by the timer, the processor validating detection of the synchronization pattern when at least a part of the data within the time window matches with a predetermined pattern and validating the payload data following the validated synchronization pattern. | 07-01-2010 |
20100227563 | Method Of Transmit Power Control And Device Thereof - A method of transmit power control to allow a transmission side to execute transmit power control so that a signal to interference ratio (SIR) measured at a reception side is matched with a target SIR, the method includes digitizing a reception environment at the reception side, and setting the target SIR corresponding to an error rate of reception data for each of the reception environments; and changing the target SIR in accordance with the reception environment measured at the reception side or the reception environment selected at the reception side. | 09-09-2010 |
20100290566 | WIRELESS DEVICE - A wireless device is configured so that an RF-IC unit calculates a difference value between IQ data received by an antenna Ant | 11-18-2010 |
20110218012 | MOBILE TERMINAL AND POWER CONTROL METHOD - A mobile terminal includes a receiving part configured to receive from a base station a reception signal including a control signal used for controlling transmission power; a comparing part configured to compare a correlation value, which is obtained from the control signal included in the reception signal and a first unique signal, with a threshold; a control part configured to control the transmission power based on a comparison result of the comparing part; and a threshold generating part configured to change the threshold according to a reception environment. | 09-08-2011 |
Patent application number | Description | Published |
20120331365 | RADIO DEVICE AND RADIO COMMUNICATION CONTROL METHOD - A radio device includes a radio section which transmits a digital signal through a digital communication path, and a baseband processing section which performs a baseband processing on the digital signal received from the radio section, wherein the baseband processing section performs error detection of the digital signal before performing the baseband processing, and wherein, when an error is detected in the digital signal, the baseband processing section performs the baseband processing without waiting for reception of a retransmitted signal from the radio section. | 12-27-2012 |
20130170527 | RADIO COMMUNICATION APPARATUS, BASEBAND PROCESSING APPARATUS, AND RADIO APPARATUS - A radio communication apparatus includes a baseband processing unit and a radio unit. The baseband processing unit transmits, to the radio unit, first data indicating a plurality of candidates for instructions corresponding to a plurality of values to be taken by the control information before obtaining the control information on radio communication. Furthermore, the baseband processing unit transmits, to the radio unit, second data for identifying the instruction corresponding to the value of the obtained control information of the plurality of candidates for instructions, after obtaining the control information. The radio unit performs processing in accordance with the instruction identified by the received second data of the plurality of candidates for instructions indicated by the received first data. | 07-04-2013 |
20140119415 | WIRELESS DEVICE - A wireless device includes a wireless unit, a baseband processing unit, an event-initiation detecting unit, and an amplitude-level control unit. The wireless unit performs signal processing on a radio signal. The baseband processing unit is connected to the wireless unit through a digital communication channel and transmits/receives a digital signal with the wireless unit through the digital communication channel. The event-initiation detecting unit detects whether an event causing a fluctuation in power supply voltage supplied to the wireless unit or the baseband processing unit is initiated. The amplitude-level control unit increases, when the event-initiation detecting unit has detected that the event is initiated, amplitude of a digital signal transmitted/received through the digital communication channel before the event is initiated. | 05-01-2014 |
20140313906 | WIRELESS APPARATUS, BASEBAND PROCESSING APPARATUS, AND COMMUNICATION METHOD - A wireless apparatus includes a wireless unit to convert a wireless signal received by an antenna into a baseband signal; and a baseband processing apparatus to receive a packet corresponding to the baseband signal via a communication line connected with the wireless unit, to detect an error in a transmission process of the packet via the communication line, to obtain the baseband signal based on packets other than the packet in which the error is detected, to generate transmission power information used for downlink transmission power control based on the obtained baseband signal, to transmit the baseband signal having the generated transmission power information reflected to the wireless unit via the communication line, and to have the wireless unit execute wireless transmission of a wireless signal corresponding to the baseband signal having the transmission power information reflected. | 10-23-2014 |