| Patent application number | Description | Published |
|---|
| 20080299937 | Sampling Filter - The present invention aims at providing a sampling filter capable of changing a filtering characteristic without use of a complicate waveform as a control signal. A sampling filter | 12-04-2008 |
| 20090054002 | Radio terminal device, management terminal device, and radio communication method - Management terminal apparatus, wireless terminal apparatus, and a wireless communication method that reduces interference and improves communication quality under a communication environment where a plurality of wireless communication schemes are mixed. At management terminal apparatus ( | 02-26-2009 |
| 20090103516 | SYNCHRONIZATION DETECTING CIRCUIT AND MULTIMODE WIRELESS COMMUNICATION APPARATUS - Multimode wireless communication apparatus supports plural wireless communication methods and includes synchronization detecting part. Digital signals output from first A/D part and second A/D part are combined by synchronization detecting part. Synchronization detecting part converts sampling frequencies of respective digital signals and performs other processes when combining digital signals. Synchronization detecting part detects synchronization timing for plural wireless communication methods by plurally performing correlation operation corresponding to respective wireless communication methods for digital signals combined, thereby providing a multimode wireless communication apparatus with its size and power consumption reduced. | 04-23-2009 |
| 20090104880 | WIRELESS COMMUNICATION APPARATUS AND COMMUNICATION CONTROL METHOD - A wireless communication apparatus and a communication control method wherein even if there occurs a change in communication control information due to a function change, an appropriate correction is implemented to improve the communication quality. A wireless communication apparatus ( | 04-23-2009 |
| 20090116594 | RADIO RECEIVER - A radio receiver including a reception processing system that uses a discrete-time frequency conversion to acquire a signal having a sampling rate corresponding to a local frequency, wherein the reception characteristic is improved when the reception processing system is applied to a system having a wide reception channel band. The radio receiver ( | 05-07-2009 |
| 20090135760 | MULTIMODE WIRELESS COMMUNICATION APPARATUS AND WIRELESS COMMUNICATION METHOD - A multimode wireless communication apparatus that supports plural wireless communication systems and switches wireless communication systems to communicate. The apparatus includes a signal processor capable of switching wireless communication systems by plural manners; and a controller that directs to the signal processor a combination of manners of switching wireless communication systems according to a communication environment. The signal processor switches wireless communication systems according to the combination of manners of switching wireless communication systems directed from the controller. | 05-28-2009 |
| 20090150470 | FAST FOURIER TRANSFORMATION CIRCUIT - Provided is a fast Fourier transformation circuit capable of optimizing an operation resource while matching a plurality of communication systems. In this circuit, an FFT circuit ( | 06-11-2009 |
| 20090257531 | SAMPLING FILTER APPARATUS AND WIRELESS COMMUNICATION APPARATUS - The present invention has an object to provide a sampling filter apparatus and a wireless communication apparatus, which are capable of changing a filter characteristic without employing complex waveforms as control signals, and also, capable of performing filtering process operations without performing a decimation, while utilizing a wide frequency space. A sampling filter apparatus | 10-15-2009 |
| 20090270061 | SAMPLING MIXER AND RECEIVER - It is an object of the present invention to provide a sampling mixer and a receiver, capable of optimizing a sampling rate of an output signal in response to a fractional band of a modulation band with respect to an RF frequency of the received signal. A sampling mixer of the present invention, includes a history capacitor | 10-29-2009 |
