223296 ⎘
Details of transmission systems, not covered by a single one of groups - ; Details of transmission systems not characterised by the medium used for transmission; Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at baseband stage using DSP [Digital Signal Processor] quadrature modulation and demodulation
Active Phase Shifter with Quadrature Hybrid Coupler
#2DEMODULATING APPARATUS, BASE STATION AND DEMODULATING METHOD
#3RECEIVER, COMMUNICATION DEVICE, AND SIGNAL PROCESSING METHOD
#4Integrated mixed-signal ASIC with ADC, DAC, and DSP
#5System and method for processing audio signals
#6Demodulating apparatus, base station and demodulating method
#7LINEARIZATION OF LOW GAIN LOW-NOISE AMPLIFIERS THROUGH THIRD-ORDER DISTORTION CANCELLATION
#8Transmitter circuit, compensation value calibration device and method for calibrating IQ imbalance compensation values
#9Demodulating apparatus, base station and demodulating method
#10Integrated mixed-signal ASIC with ADC, DAC, and DSP
#11Transmitters with dynamic ranges extending beyond supply rails
#12Phase shifter with compensation circuit
#13Signal analysis method and signal analysis module
#14Control node with an octagonal vector constellation for an array antenna
#15Programmable baseband filter for selecting between single-pole or complex-poles frequency response
#16Programmable baseband filter for selectively coupling with at least a portion of another filter
#17Wireless devices and systems including examples of mixing input data with coefficient data
#18Integrated mixed-signal ASIC with ADC, DAC, and DSP
#19Integrated mixed-signal RF transceiver with ADC, DAC, and DSP and high-bandwidth coherent recombination
#20System with multiple virtual radio units in a radio unit that is remote from at least one baseband controller
#21Wireless devices and systems including examples of mixing input data with coefficient data
#22WiFi network system for highly dense network environment
#23Radio frequency transceiver
#24Determining wireless network device location
#25Wireless devices and systems including examples of mixing input data with coefficient data
#26Communication apparatus and method
#27Dynamic frequency correction in delta-sigma based software defined receiver
#28DYNAMIC FREQUENCY CORRECTION IN DELTA-SIGMA BASED SOFTWARE DEFINED RECEIVER
#29LOCATION AWARE SOFTWARE DEFINED RADIO OPTIMIZATION ARCHITECTURE
#30Integrated mixed-signal ASIC with DAC and DSP
#31Integrated mixed-signal ASIC with ADC and DSP
#32Two-stage digital down-conversion of RF pulses
#33Quadrature signal processing apparatus with I, Q clipping mismatch compensation
#34Transmitter front-end device for generating output signals on basis of polyphase modulation
#35Blind I/Q mismatch compensation with receiver non-linearity
#36Data reception device and corresponding reception method, computer program and recording medium
#37Polar receiver using injection-locking technique
#38Receiver having an adaptive filter and method of optimizing the filter
#39High performance digital signal processing in software radios
#40PROGRAMMABLE WIDE BAND DIGITAL RECEIVER/TRANSMITTER
#41PROGRAMMABLE WIDE BAND DIGITAL RECEIVER/TRANSMITTER
#42PROGRAMMABLE WIDE BAND DIGITAL RECEIVER/TRANSMITTER
#43PROGRAMMABLE WIDE BAND DIGITAL RECEIVER/TRANSMITTER
#44PROGRAMMABLE WIDE BAND DIGITAL RECEIVER/TRANSMITTER
#45Clock clean-up phase-locked loop (PLL)
#46Apparatus and methods for direct quadrature sampling
#47Software defined radio with configurable multi-band front-end
#48Narrowband gain control of receiver with digital post filtering
#49RECEIVER
#50Radio receiver circuit, radio transceiver circuit and calibration method thereof
#51Reducing power consumption in receivers employing conversion to intermediate frequency
#52Techniques for Improving Harmonic and Image Rejection Performance of an RF Receiver Mixing DAC
#53Interface/synchronization circuits for radio frequency receivers with mixing DAC architectures
#54APPARATUS FOR RECEIVING MULTI-BAND SIGNALS OF MULTIPLE MODES AND METHOD THEREOF
#55RFID reader with digital waveform encoding and digital decoding
#56Apparatus and method to provide a local oscillator signal from a digital representation
#57Narrowband gain control of receiver with digital post filtering
#58Apparatus and method to provide a local oscillator signal
#59RF receiver mismatch calibration system and method
#60Receiving arrangement of a cordless communication system
#61Antenna array sharing in a multi-operator radio node in a communications system
#62Devices and methods for multi-mode sample generation
#63System and method for wireless communication with improved protocol support
#64Channel state information (CSI) estimation and applications for in-band on-channel radio receivers