| Patent application number | Description | Published |
|---|
| 20080212696 | Radio-Communication Device and Radio-Communication Method - The disclosed invention determines whether a reception packet is an MM packet or a GF packet with precision and avoids unnecessary decoding operations performed at the GF-packet-reception time and inefficient communications. | 09-04-2008 |
| 20080299928 | RECEIVING APPARATUS, PROGRAM AND RECEIVING METHOD - A receiving apparatus includes a receiving portion to receive a radio signal generated based on one baseband signal of a baseband signal having a prescribed frequency band and a baseband signal having a partial frequency band being a part of the prescribed frequency band, a signal processing portion to generate the baseband signal by converting a frequency of the radio signal, a filter portion to output a plurality of partial signals, each having a frequency component of each partial frequency band extracted from the baseband signal generated by the signal processing portion, and an analysis portion to analyze characteristics of each partial signal of the plurality of partial signals output from the filter portion. | 12-04-2008 |
| 20090005091 | Wireless Communication Device, Program, and Wireless Communication Method - A wireless communication device has a plurality of antennas and has MIMO functions that receive a plurality of spatially multiplexed signal sets, perform an inverse matrix computation using SN ratios of the plurality of the signal sets, based on a transfer function of a transmission path of the plurality of the signal sets, decode a first encoded signal in which is encoded the plurality of the signal sets on which the inverse matrix computation was performed, and output a decoded signal. The wireless communication device includes an encoder that generates a second encoded signal by encoding the decoded signal and a control portion that, if one of the SN ratio and the difference between the first encoded signal and the second encoded signal does not meet a specified standard, shifts the wireless communication device to a reduced power consumption state in which the amount of electric power that is consumed is reduced. | 01-01-2009 |
| 20090323591 | Receiving Apparatus, Receiving Method and Wireless Communication System - A receiving apparatus is provided which includes a receiving unit to receive a radio signal, a transfer function estimation unit to estimate a transfer function of a communication path of the radio signal, and a cross-correlation calculation unit to calculate cross-correlation between a synchronous signal contained in a radio signal received by the receiving unit and a known synchronous signal multiplied by the transfer function estimated by the transfer function estimation unit. | 12-31-2009 |
| 20100008407 | COMMUNICATION APPARATUS AND COMMUNICATION CALIBRATION METHOD - There is provided a communication apparatus, including a transmission unit that transmits information by a plurality of systems and a reception unit that receives information by a plurality of systems, wherein the transmission unit includes a calibration information generation unit that generates calibration information transmitted for each the system and a calibration information generation notification generation unit that generates a calibration information generation notification indicating that the calibration information has been generated by the calibration information generation unit for each system, and the reception unit includes a calibration information detection unit that starts measurement of time based on reception of the calibration information generation notification and detecting calibration information turned back by the transmission unit for each system after a fixed time passes after starting measurement of time. | 01-14-2010 |
| 20100027707 | Transmitting Apparatus, Signal Processing Method and Communication System - A transmitting apparatus is provided which includes a signal processing unit to perform signal processing of transmission data and an antenna to transmit transmission data processed by the signal processing unit, and the signal processing unit includes a digital filter to extract a signal component in a given frequency band and correct an aperture effect occurring during the signal processing. | 02-04-2010 |
| 20100061493 | SYNCHRONIZATION CIRCUIT AND SYNCHRONIZATION METHOD, WIRELESS COMMUNICATION DEVICE AND WIRELESS COMMUNICATION METHOD, AND COMPUTER PROGRAM - A synchronizing circuit comprising: a coarse synchronizing circuit which determines temporary reception timing using a preamble consisting of a repetition of known training signals added to a reception packet; a synchronization candidate timing control section which sets up multiple synchronization candidates based on the temporary reception timing and controls synchronization of received signal s in each of the multiple synchronization candidates; a signal quality monitoring section which monitors signal quality of the received signal s synchronized in each of the multiple synchronization candidates; and a synchronization candidate selecting section which selects one of the synchronization candidates as a final reception timing based on a monitoring result of the signal quality in the signal quality monitoring section. | 03-11-2010 |
| 20100091911 | WIRELESS COMMUNICATION APPARATUS, WIRELESS COMMUNICATION METHOD, AND COMPUTER PROGRAM - A wireless communication apparatus is provided for receiving packets transmitted with delay amounts different for the respective transmission branches. The wireless communication apparatus includes a plurality of reception branches, a synchronous processing unit for detecting synchronous timing independently for the respective reception branches; and a signal processing unit for performing decoding processing and other kinds of processing subsequent to the synchronous timing for the respective reception branches. | 04-15-2010 |
| 20110076965 | RADIO COMMUNICATION DEVICE, RADIO COMMUNICATION SYSTEM, AND RADIO COMMUNICATION METHOD - There is provided a radio communication device that includes a plurality of leaky coaxial cables that transmit and receive radio signals, a detection unit that detects a difference in reception timing of a radio signal transmitted from another radio communication device among the plurality of leaky coaxial cables, and a transmission timing adjustment unit that adjusts transmission timing of radio signals to be respectively transmitted from the plurality of leaky coaxial cables based on the difference in the reception timing detected by the detection unit. | 03-31-2011 |
