ClassID:

223308

H04B1/0082 - 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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with one or more circuit blocks in common for different bands with a common local oscillator for more than one band

Sub-classes:
Recent Application in this class:
#1
20250385698
2025-12-18

AMBIENT IOT DEVICE WITH AMPLIFIER OSCILLATION DETECTION

#2
20250266981
2025-08-21

MITIGATING DIGITAL INTERFERENCE WITHIN RADIO FREQUENCY CIRCUITRY

#3
20250247278
2025-07-31

DISTRIBUTED TRANSMITTER TOPOLOGY FOR ENHANCED COMMUNICATION SYSTEMS

#4
20250211262
2025-06-26

CROSS ROUTE BASED CONFIGURABLE LOCAL OSCILLATOR GENERATION CIRCUIT

#5
20250192898
2025-06-12

OVER-THE-AIR CALIBRATION OF ANTENNA SYSTEM

#6
20250141485
2025-05-01

MIXER CIRCUIT

#7
20250096840
2025-03-20

Radio-frequency Power Detector with Common Mode Leakage Cancellation

#8
20240097716
2024-03-21

DUAL-BAND RF MIXER CHAIN USING DUAL-BAND MATCHING NETWORK AND SHARED LOCAL OSCILLATOR

#9
20240097715
2024-03-21

DUAL-BAND RF MIXER CHAIN USING DUAL-BAND MATCHING NETWORK AND SHARED LOCAL OSCILLATOR

#10
20230388029
2023-11-30

Over-the-air calibration of antenna system

#11
20230344527
2023-10-26

NEAR ZERO INTERMEDIATE FREQUENCY (NZIF) COMPENSATION OF LOCAL OSCILLATOR LEAKAGE

#12
20230299796
2023-09-21

QUADRATURE CHIRP GENERATION

#13
20230291494
2023-09-14

Radio frequency interference mitigation with adaptive local oscillator

#14
20230269119
2023-08-24

CMOS signaling front end for extra short reach links

#15
20230231615
2023-07-20

NON-CASCADING MIMO CHANNEL EXTENDERS FOR RADAR CHIPS

#16
20230006701
2023-01-05

Digital radio-frequency transmitter

#17
20220376713
2022-11-24

Hardware optimization for 5G fractional bandwidth digital pre-distortion

#18
20220368014
2022-11-17

Near zero intermediate frequency (NZIF) compensation of local oscillator leakage

#19
20220353115
2022-11-03

CMOS signaling front end for extra short reach links

#20
20220278760
2022-09-01

Over-the-air calibration of antenna system

#21
20220182083
2022-06-09

Mixer module for mixing a radio frequency signal

#22
20220166458
2022-05-26

LOCAL OSCILLATOR SYNCHRONIZATION FOR COHERENT PHASED-ARRAY SYSTEM

#23
20220123779
2022-04-21

SYSTEMS AND METHODS FOR GENERATING RADIO FREQUENCY SIGNALS

#24
20210392585
2021-12-16

Receiver with tunable receiving chain

#25
20210376868
2021-12-02

Radio frequency receiver for carrier aggregation

#26
20210360622
2021-11-18

Multiband scheduling for wake up radio

#27
20210184703
2021-06-17

5G common filter with excellent PIMD performance using coupling method upon combining frequency bands and filtering method therewith

#28
20210119685
2021-04-22

Transmission device, wireless communication system, and transmission method

#29
20210105031
2021-04-08

Mitigating receiver oscillator leakage between coexisting wireless technologies

#30
20210050872
2021-02-18

Local oscillator placement for mixed numerology in orthogonal frequency division multiplexing communications

#31
20210050857
2021-02-18

Frequency synthesis with reference signal generated by opportunistic phase locked loop

#32
20200295797
2020-09-17

Systems and methods for generating radio frequency signals

#33
20200287557
2020-09-10

Frequency synthesis with reference signal generated by opportunistic phase locked loop

#34
20200259466
2020-08-13

Amplifier

#35
20200245248
2020-07-30

Receiver with tunable receiving chain

#36
20200186175
2020-06-11

Dual-mode frequency multiplier

#37
20200146005
2020-05-07

Multiband scheduling for wake up radio

#38
20190363702
2019-11-28

Wide-band 360 degree phase shifter utilizing right-hand and left-hand transmission line switches for RF communications

#39
20190326941
2019-10-24

Multi-radio access technology circuit

#40
20190305803
2019-10-03

Carrier Aggregation

#41
20190280656
2019-09-12

Amplifier

#42
20190044551
2019-02-07

Reconfigurable radar transmitter

#43
20190044550
2019-02-07

Reconfigurable radar transmitter

#44
20190028087
2019-01-24

Filter circuit

#45
20190020361
2019-01-17

Wirelessly referenced multi-octave oscillator

#46
20180191312
2018-07-05

Amplifier

#47
20170310520
2017-10-26

Apparatus and methods for wideband receivers

#48
20170302358
2017-10-19

Multi-way diversity receiver with multiple synthesizers in a carrier aggregation transceiver

#49
20170019129
2017-01-19

Method and Arrangement for Transmitting and Receiving RF Signals Through Various Radio Interfaces of Communication Systems

#50
20160373240
2016-12-22

Systems and Methods for Clock Recovery

#51
20160344432
2016-11-24

Pilot-based analog active interference canceller

#52
20160269054
2016-09-15

Bi-phased on-off keying (OOK) transmitter and communication method

#53
20160248460
2016-08-25

Signal generator with image rejection

#54
20160218852
2016-07-28

HALF-DUPLEX SAWLESS RECEIVER

#55
20160043768
2016-02-11

Front-end transceivers with multiple reception channels

#56
20150381214
2015-12-31

Digital-to-time converter spur reduction

#57
20150351107
2015-12-03

Interference processing in wireless communication

#58
20150349945
2015-12-03

Referenceless clock recovery circuit with wide frequency acquisition range

#59
20150349944
2015-12-03

Circuit arrangement and method for clock and/or data recovery

#60
20150349907
2015-12-03

Reconfigurable multi-mode transceiver

#61
20150349895
2015-12-03

Interference processing in wireless communication

#62
20150333815
2015-11-19

Multi-way diversity receiver with multiple synthesizers in a carrier aggregation transceiver

#63
20150257022
2015-09-10

Enhancing data throughput using multiple receivers

#64
20150256372
2015-09-10

Receiver arrangement and a method therein

#65
20150094001
2015-04-02

Method and arrangement for transmitting and receiving RF signals through various radio interfaces of communication systems

#66
20140293818
2014-10-02

Non-contiguous carrier aggregation

#67
20140094218
2014-04-03

Distribution of an electronic reference clock signal that includes delay and validity information

#68
20140029653
2014-01-30

LO generation and distribution in a multi-band transceiver

#69
20130244599
2013-09-19

Transmitter

#70
20130157603
2013-06-20

Method and system for processing signals in a high performance receive chain

#71
20130130632
2013-05-23

Signal generator circuit and radio transmission and reception device including the same

#72
20130045704
2013-02-21

Receiver

#73
20130028352
2013-01-31

Down-converter

#74
20130012142
2013-01-10

Method and arrangement for transmitting and receiving RF signals through various radio interfaces of communication systems

#75
20120250614
2012-10-04

Common RF interface for separating and mixing wireless signals

#76
20120214543
2012-08-23

Multiple frequency band information signal frequency band conversion

#77
20120177147
2012-07-12

Methods of receiving multiple carriers using different RF mixer frequencies and related communications devices and receivers

#78
20120120992
2012-05-17

LO generation and distribution in a multi-band transceiver

#79
20120069876
2012-03-22

Transceiver

#80
20120014479
2012-01-19

SIGNAL RECEIVING APPARATUS AND SIGNAL PROCESSING METHOD OF THE SAME

#81
20110292973
2011-12-01

Method for using a multi-tune transceiver

#82
20110134334
2011-06-09

Systems and methods providing spur avoidance in a direct conversion tuner architecture

#83
20110105052
2011-05-05

Cross-core calibration in a multi-radio system

#84
20110065397
2011-03-17

Information processing apparatus

#85
20110002257
2011-01-06

Method and system for processing signals in a high performance receive chain

#86
20110001575
2011-01-06

Multiband coupling circuit

#87
20100261501
2010-10-14

Multiple frequency band information signal frequency band conversion

#88
20100261500
2010-10-14

MULTIPLE FREQUENCY BAND MULTIPLE STANDARD INFORMATION SIGNAL MODULAR BASEBAND PROCESSING MODULE

#89
20100254366
2010-10-07

DCS/WCDMA dual frequency synthesizer and a general dual frequency synthesizer

#90
20100210272
2010-08-19

Multi-band aggregated spectrum receiver employing frequency source reuse

#91
20100159847
2010-06-24

Information processing apparatus

#92
20100097966
2010-04-22

CONCURRENT DUAL-BAND RECEIVER AND COMMUNICATION DEVICE HAVING SAME

#93
20100016004
2010-01-21

Cross-core calibration in a multi-radio system

#94
20090323781
2009-12-31

METHOD AND EQUIPMENT FOR TRANSMITTING A SIGNAL BY FILTERING IN A MIRROR BAND

#95
20090274249
2009-11-05

Radio-frequency receiver and integrated circuit employed for the receiver

#96
20090156135
2009-06-18

Transceiver

#97
20090135781
2009-05-28

Method and arrangement for transmitting and receiving RF signals through various radio interfaces of communication systems

#98
20090081981
2009-03-26

Method and system for a distributed transceiver for high frequency applications

#99
20090081976
2009-03-26

Receiver and electronic apparatus using the same

#100
20090061811
2009-03-05

Multi-frequency synthesizing apparatus and method for multi-band RF receiver

#101
20080304435
2008-12-11

Local oscillation routing plan applicable to a multiple RF band RF MIMO transceiver

#102
20080139143
2008-06-12

Method and system for calibrating a plurality of modules in a communication system

#103
20080139119
2008-06-12

Method and system for processing signals in a high performance receive chain

#104
20080139115
2008-06-12

Method and system for a compact and power efficient local oscillator generation architecture

#105
20080125074
2008-05-29

Single chip amplifier and oscillator having similar resonant circuit topology

#106
20080125060
2008-05-29

Radio Frequency Transceiver

#107
20080113641
2008-05-15

RADIO COMMUNICATION APPARATUS AND FREQUENCY GENERATING METHOD THEREOF

#108
20080080451
2008-04-03

Method and system for interfacing to a plurality of antennas

#109
20080079500
2008-04-03

Method And System For A Local Oscillator (LO) Generator Architecture For Multi-Band Wireless Systems

#110
20080012650
2008-01-17

Semiconductor integrated circuit with PLL circuit

#111
20080012649
2008-01-17

Semiconductor integrated circuit with PLL circuit

#112
20080003968
2008-01-03

LO generator to reject unwanted sideband

#113
20070286262
2007-12-13

Reference clock compensation in DVB-H receivers

#114
20070213025
2007-09-13

METHOD AND ARRANGEMENT FOR TRANSMITTING AND RECIEVING RF SIGNALS THROUGH VARIOUS RADIO INTERFACES OF COMMUNICATION SYSTEMS

#115
20070178869
2007-08-02

Multi-frequency synthesizing apparatus and method for multi-band RF receiver

#116
20070173286
2007-07-26

Distribution of shared local oscillation to multiple RF intefaces of a wireless device

#117
20070117532
2007-05-24

Terrestrial-Digital Multimedia Broadcasting And Digital Audio Broadcasting Low Intermediate Frequency Receiver

#118
20070099580
2007-05-03

Frequency dividing circuit and multimode radio device using the same

#119
20070082644
2007-04-12

Single local oscillator sharing in multi-band Ka-band LNBS

#120
20070066262
2007-03-22

Frequency synthesizer architecture for multi-band ultra-wideband system

#121
20070064833
2007-03-22

Multi-band radio frequency modulator

#122
20070004371
2007-01-04

IC receiver to minimize tracking error

#123
20060281488
2006-12-14

Dual-band wireless LAN RF transceiver

#124
20060258299
2006-11-16

Dual band frequency synthesizer

#125
20060223558
2006-10-05

Cross-core calibration in a multi-radio system

#126
20060223487
2006-10-05

Multi-band mixer and quadrature signal generator for a multi-mode radio receiver

#127
20060223482
2006-10-05

Local oscillation routing plan applicable to a multiple RF band RF MIMO transceiver

#128
20060211390
2006-09-21

Semiconductor integrated circuit for communication and terminal device for mobile communication

#129
20060128329
2006-06-15

Method and system for receiver front end (RFE) architecture supporting broadcast utilizing a fractional N synthesizer for European, world and US wireless bands

#130
20060094374
2006-05-04

Frequency synthesizer and synthesis method for generating a multiband local oscillator signal

#131
20060084469
2006-04-20

Transmitter and receiver architecture for multi-mode wireless device

#132
20060068720
2006-03-30

Apparatus and method for generating frequencies

#133
20060057995
2006-03-16

Frequency synthesizer using PLL architecture for wireless frequency allocation

#134
20060057994
2006-03-16

Multiple rate local oscillation generator and applications thereof

#135
20060057992
2006-03-16

Frequency allocation using a single VCO

#136
20060035619
2006-02-16

Single chip LNA and VCO having similar resonant circuit topology and using same calibration signal to compensate for process variations

#137
20060012442
2006-01-19

Semiconductor integrated circuit with PLL circuit

#138
17102666
2022-02-01

Local oscillator synchronization for coherent phased-array system

#139
17061426
2022-02-22

Demodulating surveillance signals

#140
16830790
2020-12-29

Rate adaptive reference synthesizer for frequency converters used in satellite communication systems

#141
16358242
2020-04-07

Systems and methods for adjusting receive sensitivity using collocated communication circuitry

#142
15970493
2019-05-07

Multi channel self-test for RF devices

#143
14676142
2016-08-09

Digital to-analog converter system and method

#144
14498777
2016-02-02

Single cable VSAT interface with single conversion architecture for receive and transmit

#145
11052435
2015-10-27

Switch architecture for TDMA and FDD multiplexing