ClassID:

223297

H04B1/0042 - CPC Classification

Classification description:

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 Digital filtering

Recent Application in this class:
#1
20260142676
2026-05-21

Configurable Radio Frequency Front-End to Support TTC and ISL Satellite Links

#2
20250138575
2025-05-01

CONFIGURABLE LOAD SENSING VIA A PROGRAMMABLE DRIVE SENSE UNIT

#3
20250007538
2025-01-02

RECONFIGURABLE CARRIER AGGREGATION MMWAVE RECEIVER ARCHITECTURE

#4
20240356569
2024-10-24

HIGH EFFICIENCY NON-PULSE WIDTH MODULATION COMMUNICATIONS SYSTEM AND METHOD

#5
20240146503
2024-05-02

DIGITAL TRANSMITTER FEATURING A 50%-LO SIGNED PHASE MAPPER

#6
20240146402
2024-05-02

Integrated mixed-signal ASIC with ADC, DAC, and DSP

#7
20230336194
2023-10-19

MULTI-FREQUENCY SAMPLING SYSTEM

#8
20230324950
2023-10-12

Transmit side of low voltage drive circuit (LVDC) with non-sync data channels

#9
20230283306
2023-09-07

HIGH FREQUENCY MODULE AND COMMUNICATION APPARATUS

#10
20230283305
2023-09-07

Signal processing device

#11
20230244265
2023-08-03

Data formatting module of a low voltage drive circuit

#12
20230236623
2023-07-27

Programmable drive sense unit

#13
20230091514
2023-03-23

Adaptive gain for receiving wireless signals

#14
20220357762
2022-11-10

Configuring a programmable drive sense unit

#15
20220286150
2022-09-08

Signal processing device and signal processing method

#16
20220271830
2022-08-25

Integrated mixed-signal ASIC with ADC, DAC, and DSP

#17
20220269305
2022-08-25

Data formatting of a low voltage drive circuit data communication system

#18
20220060201
2022-02-24

Radio frequency module

#19
20220045699
2022-02-10

Signal analysis method and signal analysis module

#20
20220029644
2022-01-27

Low-complexity inverse sinc for RF sampling transmitters

#21
20210409041
2021-12-30

Programmable baseband filter for selecting between single-pole or complex-poles frequency response

#22
20210408989
2021-12-30

Programmable baseband filter for selectively coupling with at least a portion of another filter

#23
20210240218
2021-08-05

Data formatting circuit of a low voltage drive circuit data communication system

#24
20210234609
2021-07-29

Integrated mixed-signal ASIC with ADC, DAC, and DSP

#25
20210211144
2021-07-08

Efficient polyphase architecture for interpolator and decimator

#26
20210152198
2021-05-20

Radio frequency module

#27
20210112317
2021-04-15

Systems and methods for improving frequency response of a high-speed data acquisition device

#28
20210083698
2021-03-18

SIGNAL PROCESSING APPARATUS AND SIGNAL PROCESSING METHOD

#29
20210083695
2021-03-18

Low-complexity inverse sinc for RF sampling transmitters

#30
20200373964
2020-11-26

Signal calibration method, and device generated based on imbalance of I path and Q path, and storage medium

#31
20200249715
2020-08-06

Receive analog to digital circuit of a low voltage drive circuit data communication system

#32
20200228206
2020-07-16

Systems and methods for delta-sigma digitization

#33
20200220613
2020-07-09

Integrated mixed-signal RF transceiver with ADC, DAC, and DSP and high-bandwidth coherent recombination

#34
20200195284
2020-06-18

Radio frequency module

#35
20200052726
2020-02-13

Efficient polyphase architecture for interpolator and decimator

#36
20200007174
2020-01-02

Radio frequency module

#37
20190253066
2019-08-15

POLAR ANALOG-TO-DIGITAL CONVERTER AND DOWN CONVERTER FOR BANDPASS SIGNALS

#38
20190245571
2019-08-08

Optimized demodulation of RDS signals in digital radio

#39
20190199392
2019-06-27

Method for in-band full-duplex transmission and reception, and apparatus for the same

#40
20190190602
2019-06-20

Systems and methods for delta-sigma digitization

#41
20190131995
2019-05-02

Polar analog-to-digital converter and down converter for bandpass signals

#42
20190120892
2019-04-25

Method, protective device and protective system for detecting a fault on a line of an electrical power supply system

#43
20180367169
2018-12-20

Transformation based filter for interpolation or decimation

#44
20180269890
2018-09-20

Polar analog-to-digital converter and down converter for bandpass signals

#45
20180254785
2018-09-06

Efficient polyphase architecture for interpolator and decimator

#46
20180191383
2018-07-05

Transformation based filter for interpolation or decimation

#47
20180115329
2018-04-26

Efficient polyphase architecture for interpolator and decimator

#48
20180109273
2018-04-19

Dynamic frequency correction in delta-sigma based software defined receiver

#49
20180109272
2018-04-19

DYNAMIC FREQUENCY CORRECTION IN DELTA-SIGMA BASED SOFTWARE DEFINED RECEIVER

#50
20180091338
2018-03-29

PAPR reduction for IQ RFDAC

#51
20170353288
2017-12-07

Self-interference channel estimation system and method

#52
20170264369
2017-09-14

Method and device for sending and receiving an optical signal

#53
20170222733
2017-08-03

Self-interference cancellation antenna systems and methods

#54
20170170915
2017-06-15

Apparatus for reducing an amplitude imbalance and a phase imbalance between an in-phase signal and a quadrature signal

#55
20170149478
2017-05-25

Supporting distinct single-input single-output (SISO) services in a multiple-input multiple-output (MIMO) baseband circuit, particularly suited for a distributed antenna system (DAS)

#56
20170123055
2017-05-04

Circuit for acoustic distance measuring

#57
20170085341
2017-03-23

Apparatus and method for transmitting and receiving signal in communication system

#58
20170078078
2017-03-16

Software defined radio front end

#59
20170063446
2017-03-02

Integrated mixed-signal ASIC with DAC and DSP

#60
20170054492
2017-02-23

Integrated mixed-signal ASIC with ADC and DSP

#61
20170019272
2017-01-19

Self-interference channel estimation system and method

#62
20170019235
2017-01-19

Secure radio methods and apparatus

#63
20160329975
2016-11-10

Digital measurement input for an electric automation device, electric automation device comprising a digital measurement input, and method for processing digital input measurement values

#64
20160056846
2016-02-25

Analog compensation circuit and method

#65
20150029058
2015-01-29

Accurate timing distribution by high-frequency radio

#66
20140029660
2014-01-30

Method and apparatus for sparse polynomial equalization of RF receiver chains

#67
20130177107
2013-07-11

Bandpass sampling receiver, and method for designing and reconstructing a filter thereof

#68
20080100753
2008-05-01

Single down-conversion television tuner

#69
20050282517
2005-12-22

Radio frequency tuner

#70
19198039
2025-08-05

Chip-scale control of reconfigurable radio frequency filters

#71
15449878
2018-02-20

Decimation filtering in systems having parallel analog-to-digital converter channels

#72
15049616
2017-02-28

Digital intensive hybrid ADC/filter for LNA-free adaptive radio front-ends

#73
14464137
2015-09-15

Analog compensation circuit and method