ClassID:

226069

H04L27/361 - CPC Classification

Classification description:

Modulated-carrier systems; Carrier systems characterised by combinations of two or more of the types covered by groups , , or; Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems; Modulator circuits; Transmitter circuits Modulation using a single or unspecified number of carriers, e.g. with separate stages of phase and amplitude modulation

Recent Application in this class:
#1
20260142864
2026-05-21

SYSTEMS, METHODS, AND APPARATUS FOR PRUNED CONSTELLATIONS

#2
20260135750
2026-05-14

METHOD AND CIRCUIT ARRANGEMENT FOR CONSTANT ENVELOPE MODULATION

#3
20260067058
2026-03-05

Integrated Circuit Transceiver Array Synchronization

#4
20250309934
2025-10-02

IN-PHASE/QUADRATURE-PHASE (IQ) INTERFACE SWITCHING METHOD AND APPARATUS THEREOF

#5
20250274332
2025-08-28

High throughput Communications system for End of Train and Head of Train Communications

#6
20250126003
2025-04-17

SYMBOL SENDING METHOD, SYMBOL RECEIVING METHOD, SENDING DEVICE, RECEIVING DEVICE, AND STORAGE MEDIUM

#7
20250119336
2025-04-10

PROBABILISTIC CONSTELLATION SHAPING MODULATION

#8
20240339868
2024-10-10

SYSTEM, BASE STATION, TERMINAL APPARATUS, METHOD AND PROGRAM FOR PERFORMING COMMUNICATION AND WIRELESS POWER TRANSFER

#9
20240333576
2024-10-03

COMMUNICATION METHOD AND APPARATUS

#10
20240235920
2024-07-11

Device and method for phase adjustment of receiver for PAM signaling

#11
20240205066
2024-06-20

SYMBOL SENDING METHOD, SYMBOL RECEIVING METHOD, SYMBOL SENDING DEVICE, SYMBOL RECEIVING DEVICE AND STORAGE MEDIUM

#12
20240205060
2024-06-20

SYMBOL SENDING METHOD, SYMBOL RECEIVING METHOD, SENDING DEVICE, RECEIVING DEVICE, AND STORAGE MEDIUM

#13
20240007264
2024-01-04

Integrated Circuit Transceiver Array Synchronization

#14
20230283510
2023-09-07

Hybrid reference signal design and transmission of PHY signals

#15
20230224197
2023-07-13

CIRCUIT AND METHOD FOR DETERMINING A DITHER AMPLITUDE

#16
20230114670
2023-04-13

Method and transmitter for constant envelope phase modulation and demodulation

#17
20220393931
2022-12-08

Harmonic filters for polar modulators

#18
20220321393
2022-10-06

Quadrature phase shift keying quadrature amplitude modulation transmitter

#19
20220239544
2022-07-28

Digital modulator, communication device, and digital modulator control method

#20
20220239543
2022-07-28

Index modulation for low-power analog-to-digital converters

#21
20220140860
2022-05-05

Asynchronous polar transmitter and operation method thereof

#22
20220070044
2022-03-03

Estimation of communication system impairments using spectrally selective signal perturbations

#23
20220006683
2022-01-06

Data transmission method and communication apparatus

#24
20210344548
2021-11-04

Contention-based payload transmissions using differential coding

#25
20210306082
2021-09-30

Method for measuring power of non-constant envelope modulated signal, and electronic device

#26
20210190894
2021-06-24

System and Method for Very Low Frequency and Low Frequency Transmitter Navigation

#27
20210168000
2021-06-03

Ultra-high data rate digital mm-wave transmitter with energy efficient spectral filtering

#28
20210104982
2021-04-08

RADIO COMMUNICATION DEVICE

#29
20210067400
2021-03-04

Polar phase or frequency modulation circuit and method

#30
20200351070
2020-11-05

LOW PAPR COMPUTER GENERATED SEQUENCE PAIRING

#31
20200244495
2020-07-30

Data processing method and device

#32
20200212944
2020-07-02

Polar modulation systems and methods

#33
20200204422
2020-06-25

Multi-level voltage circuit and related apparatus

#34
20200163156
2020-05-21

Support of 64 QAM for efeMTC PDSCH transmission

#35
20200136885
2020-04-30

Communication method, communications apparatus, and storage medium

#36
20200084082
2020-03-12

Systems and methods for up-sampling a polar amplitude sample stream in a polar modulator

#37
20200052713
2020-02-13

Methods of converting or reconverting a data signal and method and system for data transmission and/or data reception

#38
20200021477
2020-01-16

Interpolation method for polar signals in radio frequency transmitters

#39
20200014579
2020-01-09

Method and an apparatus for determining a noise shaped quantized parameter contributing to the generation of an output signal

#40
20190363857
2019-11-28

Method for transmitting HARQ ACK/NACK signal in NB IoT

#41
20190356527
2019-11-21

Carrier-phase recovery system and method

#42
20190342828
2019-11-07

Multicarrier on-off keying symbol randomizer

#43
20190229975
2019-07-25

Voltage memory digital pre-distortion circuit

#44
20190222456
2019-07-18

Data processing method, apparatus, and system

#45
20190207799
2019-07-04

Polar transmitter with tunable matching network

#46
20190149392
2019-05-16

System and method for amplitude pre-distortion optimization for GPS signal constant envelope transmission

#47
20190132177
2019-05-02

Signal processing method and apparatus

#48
20190075008
2019-03-07

Single carrier-based data transmission method and apparatus

#49
20190044770
2019-02-07

Synchronization method of an active load modulation clock within a transponder

#50
20190021080
2019-01-17

Techniques and apparatuses for multiplexing schemes for millimeter wave downlink single carrier waveforms

#51
20190020529
2019-01-17

Techniques and apparatuses for multiplexing schemes for millimeter wave downlink single carrier waveforms

#52
20190020528
2019-01-17

Techniques and apparatuses for multiplexing schemes for millimeter wave downlink single carrier waveforms

#53
20190020527
2019-01-17

Techniques and apparatuses for multiplexing schemes for millimeter wave downlink single carrier waveforms

#54
20190020526
2019-01-17

Voltage memory digital pre-distortion circuit

#55
20180337815
2018-11-22

Transmitter, receiver, and signal processing method

#56
20180324012
2018-11-08

Synchronization method of an active load modulation clock within a transponder

#57
20180302264
2018-10-18

HYBRID CLOCK DATA RECOVERY CIRCUITRY FOR PULSE AMPLITUDE MODULATION SCHEMES

#58
20180287569
2018-10-04

Adaptive digital predistortion for polar transmitter

#59
20180278456
2018-09-27

Method and system for controlling phase of a signal

#60
20180262384
2018-09-13

Method and an apparatus for determining a noise shaped quantized parameter contributing to the generation of an output signal

#61
20180248733
2018-08-30

Transmission apparatus

#62
20180227162
2018-08-09

PAM reception circuit and reception apparatus

#63
20180167175
2018-06-14

OFDM communication system with enhanced channel estimation and data detection techniques

#64
20180097675
2018-04-05

Low rate interface for narrow band wireless transmissions

#65
20180091353
2018-03-29

Multipoint transmission and reception in a radio communication network

#66
20180076999
2018-03-15

Polar transmitter with tunable matching network

#67
20180062905
2018-03-01

Concept for enhancing performance in backscatter systems or load systems

#68
20180019906
2018-01-18

Apparatus, system and method of communicating a transmission according to a rotated 256 quadrature amplitude modulation (QAM) scheme

#69
20180013455
2018-01-11

Polar transmitter and method for generating a transmit signal using a polar transmitter

#70
20170373912
2017-12-28

Method and system for I/Q mismatch calibration and compensation for wideband communication receivers

#71
20170302498
2017-10-19

Phase modulation device and laser microscope

#72
20170295593
2017-10-12

Method and apparatus for transmitting and receiving MCS index for 256QAM in wireless access system

#73
20170250792
2017-08-31

Signal transmission apparatus, carrier phase recovery apparatus and method

#74
20170222859
2017-08-03

Digital quadrature modulator and switched-capacitor array circuit

#75
20170111205
2017-04-20

Interleaving and deinterleaving source data for single carrier modulation and coding schemes

#76
20170104541
2017-04-13

Digital optical modulator for programmable n-quadrature amplitude modulation generation

#77
20170093444
2017-03-30

Radio frequency systems and methods for polar phase distortion calibration

#78
20170041179
2017-02-09

Code modulation and demodulation methods, apparatuses, and system

#79
20170005854
2017-01-05

Dynamic envelope elimination and restoration polar transmitter

#80
20160380645
2016-12-29

Circuit and method

#81
20160373123
2016-12-22

Dither-less multi-stage noise shaping fractional-N frequency synthesizer systems and methods

#82
20160352439
2016-12-01

Calibrating RF path delay and IQ phase imbalance for polar transmit system

#83
20160301510
2016-10-13

Method and apparatus for transmitting reception confirmation in wireless system

#84
20160226697
2016-08-04

Method and apparatus for use with received electromagnetic signal at a frequency not known exactly in advance

#85
20160218900
2016-07-28

High efficiency transmitter architectures for a localized single-carrier frequency division multiple access transceiver

#86
20160164554
2016-06-09

Transmitter with quantization noise compensation

#87
20160127162
2016-05-05

Transmission circuit

#88
20160119177
2016-04-28

Semi-polar modulator

#89
20160119176
2016-04-28

Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcast signals and method for receiving broadcast signals

#90
20160088373
2016-03-24

Data receiving and sending methods and apparatuses and system

#91
20160087642
2016-03-24

Dither-less error feedback fractional-n frequency synthesizer systems and methods

#92
20160065404
2016-03-03

Method and system for I/Q mismatch calibration and compensation for wideband communication receivers

#93
20150312081
2015-10-29

Quadrature amplitude modulation for time-reversal systems

#94
20150310237
2015-10-29

Apparatus and methods for wireless communication using load modulation

#95
20150229272
2015-08-13

Tri-phase digital polar modulator

#96
20150181542
2015-06-25

Power supply adjustment and polar modulation in a MIMO system

#97
20150172090
2015-06-18

System and method for digital sideband mitigation: advanced modulation in a narrow bandwidth RF channel

#98
20150156053
2015-06-04

Signal modulator and signal modulating method

#99
20150155833
2015-06-04

Signal amplifier with active power management

#100
20150139360
2015-05-21

Polar modulator

#101
20150139358
2015-05-21

Pre-distortion in a wireless transmitter

#102
20150117866
2015-04-30

QUADRATURE AMPLITUDE MODULATION SYMBOL MAPPING

#103
20150091384
2015-04-02

Power saving technique for digital to time converters

#104
20150078486
2015-03-19

CODE MODULATION AND DEMODULATION METHOD AND APPARATUS FOR HIGH ORDER MODULATION

#105
20150055738
2015-02-26

Dither-less error feedback fractional-N frequency synthesizer systems and methods

#106
20150055737
2015-02-26

Dither-less multi-stage noise shaping fractional-N frequency synthesizer systems and methods

#107
20140376673
2014-12-25

Method and system for I/Q mismatch calibration and compensation for wideband communication receivers

#108
20140376662
2014-12-25

Polar modulation

#109
20140300426
2014-10-09

Quadrature power amplifier having increased efficiency

#110
20140247907
2014-09-04

Communications transmitter having high-efficiency combination modulator

#111
20140140432
2014-05-22

Method, receiver, transmitter and communication system for phase error compensation

#112
20140133528
2014-05-15

Systems and methods to provide compensated feedback phase information

#113
20140119476
2014-05-01

Polar transmitter suitable for monolithic integration in SoCs

#114
20140112423
2014-04-24

Method and faculty to measure and compensate DCO frequency distortions using a DPLL

#115
20140079154
2014-03-20

Direct digital synthesis of quadrature modulated signals

#116
20140064406
2014-03-06

Amplifier circuit and wireless communication equipment

#117
20140002287
2014-01-02

Circuit and method

#118
20130308725
2013-11-21

Transmitter with quantization noise compensation

#119
20130251069
2013-09-26

FBR DC vector offset removal using LO phase switching

#120
20130235949
2013-09-12

Apparatus and method for time alignment of an envelope tracking power amplifier

#121
20130195222
2013-08-01

Array amplitude modulation system and method

#122
20130188754
2013-07-25

Transmitter and frequency deviation reduction method thereof

#123
20130169416
2013-07-04

Streamlined apparatus and methods for RFID communication

#124
20130163649
2013-06-27

APPARATUS AND METHOD FOR TRANSMITTING/RECEIVING DATA IN A WIRELESS COMMUNICATION SYSTEM

#125
20130156129
2013-06-20

Method and faculty to measure and compensate DCO frequency distortions using a DPLL

#126
20130121443
2013-05-16

Quadrature modulator balancing system

#127
20130058435
2013-03-07

High efficiency transmitter

#128
20130052972
2013-02-28

Signal processing device and method for providing a first analog signal and a second analog signal

#129
20130038389
2013-02-14

Systems and methods of RF power transmission, modulation, and amplification, including embodiments for error correction

#130
20130022151
2013-01-24

Communications transmitter having high-efficiency combination modulator

#131
20130022150
2013-01-24

Communications transmitter having high-efficiency combination modulator

#132
20130022149
2013-01-24

Communications transmitter having high-efficiency combination modulator

#133
20130022148
2013-01-24

Methods and apparatus for signal conditioning for polar transmitters

#134
20130016796
2013-01-17

SIGNAL MODULATOR AND SIGNAL MODULATING METHOD

#135
20120300870
2012-11-29

Radio transmitter system and method

#136
20120281787
2012-11-08

Method and system for I/Q mismatch calibration and compensation for wideband communication receivers

#137
20120264484
2012-10-18

Polar modulator and method for generating a polar modulated signal

#138
20120264380
2012-10-18

Polar amplification transmitter distortion reduction

#139
20120257670
2012-10-11

Transmission circuit

#140
20120236965
2012-09-20

Quadrature communications device with power combiner and related methods

#141
20120201337
2012-08-09

AM-PM synchronization unit

#142
20120195254
2012-08-02

Communications devices with envelope extraction and related methods

#143
20120170673
2012-07-05

Digital modulation jitter compensation for polar transmitter

#144
20120157016
2012-06-21

Transmitter, RF transmitter signal processor and method for operation of transmitter

#145
20120063543
2012-03-15

Transmitter with quantization noise compensation

#146
20120057655
2012-03-08

Polar transmitter suitable for monolithic integration in SoCs

#147
20120056676
2012-03-08

RF amplifier with digital filter for polar transmitter

#148
20120025906
2012-02-02

Systems and Methods of RF Power Transmission, Modulation, and Amplification, Including Embodiments for Compensating for Waveform Distortion

#149
20120007687
2012-01-12

Digital amplitude modulation

#150
20110316625
2011-12-29

Mixed-signal transmission circuit for switching power amplifiers

#151
20110304368
2011-12-15

Wideband phase modulator

#152
20110291756
2011-12-01

Method and system for polar modulation with discontinuous phase for RF transmitters with integrated amplitude shaping

#153
20110280334
2011-11-17

DIGITAL AMPLITUDE MODULATOR AND POLAR TRANSMITTER USING THEREOF

#154
20110243269
2011-10-06

Transmitter and receiver

#155
20110238337
2011-09-29

MEASUREMENT APPARATUS, MEASUREMENT METHOD, TEST APPARATUS AND RECORDING MEDIUM

#156
20110237210
2011-09-29

Apparatus and method for controlling gain of polar transmitter

#157
20110206149
2011-08-25

Method and system for efficient transmission and reception of RF energy in MIMO systems using polar modulation and direct digital frequency synthesis

#158
20110194510
2011-08-11

Method and apparatus for sending and receiving a low-complexity transmission in a wireless communication system

#159
20110187473
2011-08-04

Method and system for polar modulating QAM signals with discontinuous phase

#160
20110182382
2011-07-28

Digital amplitude modulation

#161
20110182373
2011-07-28

Polar modulator with signed amplitude reducing phase transitions

#162
20110164702
2011-07-07

Polar transmitter

#163
20110163790
2011-07-07

Signal processing circuit and signal processing method

#164
20110142177
2011-06-16

Apparatus and method for compensating for delay mismatch between amplitude component signal and phase component signal

#165
20110139129
2011-06-16

Fuel vapor storage and recovery apparatus

#166
20110129099
2011-06-02

Apparatus and method for modulating an amplitude, phase or both of a periodic signal on a per cycle basis

#167
20110116535
2011-05-19

Methods and apparatus for reducing the average-to-minimum magnitude ratio of communications signals in communications transmitters

#168
20110075763
2011-03-31

Local wireless signal transmitting/receiving apparatus and method using digital radio frequency processing technology

#169
20110059707
2011-03-10

Bias modulation apparatus, and apparatus and method for transmitting signal for wideband mobile communication using the same

#170
20110051836
2011-03-03

Methods and apparatus for reducing the average-to-minimum magnitude ratio of communications signals in communications transmitters

#171
20100322345
2010-12-23

Method and system for bandwidth calibration for a phase locked loop (PLL)

#172
20100316164
2010-12-16

Methods and apparatus for reducing average-to-minimum power ratio in communications signals

#173
20100301961
2010-12-02

Phase locked loop

#174
20100290563
2010-11-18

Hybrid radio frequency transmitter

#175
20100278228
2010-11-04

Apparatus method and computer readable medium for a transmitter

#176
20100253401
2010-10-07

Signal processing circuit and signal processing method

#177
20100239267
2010-09-23

Optical field transmitter and optical field transmission system

#178
20100231315
2010-09-16

Wideband phase modulator

#179
20100220799
2010-09-02

Apparatus and method for transmitting/receiving data in a wireless communication system

#180
20100220770
2010-09-02

Transmitter apparatus

#181
20100183093
2010-07-22

All-digital multi-standard transmitters architecture using delta-sigma modulators

#182
20100156540
2010-06-24

Amplifier architecture for polar modulation

#183
20100150262
2010-06-17

Apparatus and method for amplifying signal and wireless transmitter using the same

#184
20100130143
2010-05-27

Phase-to-frequency conversion for polar transmitters

#185
20100111222
2010-05-06

Digital modulation jitter compensation for polar transmitter

#186
20100080322
2010-04-01

Digital modulation

#187
20100074367
2010-03-25

ADAPTIVE COMBINER ERROR CALIBRATION ALGORITHMS IN ALL-DIGITAL OUTPHASING TRANSMITTER

#188
20100029229
2010-02-04

Method for controlling an EER power amplifier for digital transmission

#189
20100027445
2010-02-04

Transmission circuit, method for determining delay time used in the transmission circuit, and communication apparatus using the transmission circuit

#190
20100014801
2010-01-21

Multilevel light intensity modulator

#191
20090325494
2009-12-31

Transmitter PLL with bandwidth on demand

#192
20090322423
2009-12-31

Method and system for polar modulating QAM signals with discontinuous phase

#193
20090320806
2009-12-31

Fuel vapor storage and recovery apparatus

#194
20090310705
2009-12-17

OFDM-MODULATED-WAVE OUTPUT UNIT AND DISTORTION COMPENSATING METHOD

#195
20090290631
2009-11-26

Methods and apparatus for reducing modulation signal bandwidth in polar modulation transmitters

#196
20090275359
2009-11-05

Polar modulator and method for generating a polar-modulated signal

#197
20090275358
2009-11-05

Two-point polar modulator and method for generating a polar-modulated signal based on amplitude information and phase information

#198
20090274244
2009-11-05

DIGITAL DELAY ELEMENT FOR DELAY MISMATCH CANCELLATION IN WIRELESS POLAR TRANSMITTERS

#199
20090252255
2009-10-08

Predistortion methods and apparatus for polar modulation transmitters

#200
20090219098
2009-09-03

Method and system for polar modulation with discontinuous phase for RF transmitters with power control

#201
20090202019
2009-08-13

RF polar transmitter and integrated circuit with programmable filter module and methods for use therewith

#202
20090202018
2009-08-13

Synchronization techniques for polar transmitters

#203
20090191923
2009-07-30

Power amplifying apparatus with bandwidth limitation processing on variable power supply

#204
20090190692
2009-07-30

Linear and polar dual mode transmitter circuit

#205
20090174473
2009-07-09

Systems, methods, and apparatuses for linear envelope elimination and restoration transmitters

#206
20090168863
2009-07-02

Polar transmitter with digital and analog filtering of envelope

#207
20090161793
2009-06-25

Processing transmission signals in radio transmitter

#208
20090097591
2009-04-16

APPARATUS AND METHOD FOR ENVELOPE TRACKING POWER AMPLIFICATION IN WIRELESS COMMUNICATION SYSTEM

#209
20090079511
2009-03-26

Polar modulation transmission circuit and communication device

#210
20090074106
2009-03-19

Multi-mode and multi-band transmitters for wireless communication

#211
20090072921
2009-03-19

Polar modulation without analog filtering

#212
20090061777
2009-03-05

Apparatus and method for modulating an amplitude, phase or both of a periodic signal on a per cycle basis

#213
20090060089
2009-03-05

Polar modulation transmitter circuit and communications device

#214
20090040958
2009-02-12

Transmitting RF signals employing both digital and analog components with a common amplifier

#215
20090039974
2009-02-12

Polar modulation apparatus

#216
20090034642
2009-02-05

Method and system for power supply adjustment and polar modulation in a MIMO system

#217
20090033417
2009-02-05

Method and system for polar modulation with discontinuous phase for RF transmitters with power control

#218
20090033416
2009-02-05

Method and system for polar modulating QAM signals with discontinuous phase

#219
20090021320
2009-01-22

Cartesian modulation system via multi-level pulse width modulation

#220
20090003465
2009-01-01

Method of keying for broadcast using OFDM

#221
20080317169
2008-12-25

Polar modulator arrangement and polar modulation method

#222
20080317167
2008-12-25

Generation of a transmission signal

#223
20080310573
2008-12-18

Polar modulation / one-point frequency modulation with flexible reference frequency

#224
20080304594
2008-12-11

Methods and apparatus for reducing peak-to-RMS amplitude ratio in communication signals

#225
20080298453
2008-12-04

Nonlinear adaptive phase domain equalization for multilevel phase coded demodulators

#226
20080297246
2008-12-04

Polar amplifier

#227
20080287079
2008-11-20

Transmitter, RF transmitter signal processor and method for operation of transmitter

#228
20080266015
2008-10-30

Polar modulation apparatus and method using FM modulation

#229
20080225984
2008-09-18

Digital polar transmitter

#230
20080212707
2008-09-04

Method and system for a digital polar transmitter

#231
20080205571
2008-08-28

System and Method for Time Aligning Signals in Transmitters

#232
20080205550
2008-08-28

Method and System for Using a Phase Locked Loop for Upconversion in a Wideband Polar Transmitter

#233
20080205549
2008-08-28

Method and system for a wideband polar transmitter

#234
20080205543
2008-08-28

Method and system for a high-precision frequency generator using a direct digital frequency synthesizer for transmitters and receivers

#235
20080205542
2008-08-28

Method and system for efficient transmission and reception of RF energy in MIMO systems using polar modulation and direct digital frequency synthesis

#236
20080205541
2008-08-28

Method and system for polar modulation using a direct digital frequency synthesizer

#237
20080192861
2008-08-14

Polar modulator with signed amplitude reducing phase transitions

#238
20080175333
2008-07-24

Method and system for digital to analog conversion for power amplifier driver amplitude modulation

#239
20080165900
2008-07-10

Demodulating a signal encoded according to ASK modulation and PSK modulation

#240
20080160934
2008-07-03

Polar modulation transmission apparatus

#241
20080139138
2008-06-12

Transmission circuit

#242
20080088320
2008-04-17

Network measuring and apparatus for magnitude and phase portion independently

#243
20080075194
2008-03-27

Digital outphasing transmitter architecture

#244
20080031384
2008-02-07

Transmission circuit and communication device

#245
20080031381
2008-02-07

Transmission circuit and communication device

#246
20080002788
2008-01-03

Local oscillator incorporating phase command exception handling utilizing a quadrature switch

#247
20070298734
2007-12-27

Systems, methods, and apparatuses for linear polar transmitters

#248
20070297530
2007-12-27

Transmission circuit and communication device

#249
20070291873
2007-12-20

Transmitter apparatus and wireless communication apparatus

#250
20070290748
2007-12-20

Systems, methods, and apparatuses for linear envelope elimination and restoration transmitters

#251
20070280374
2007-12-06

Modulation circuit device, modulation method and radio communication device

#252
20070268168
2007-11-22

Method and system for digital to analog conversion for power amplifier driver amplitude modulation

#253
20070249300
2007-10-25

Systems and methods of RF tower transmission, modulation, and amplification, including embodiments for compensating for waveform distortion

#254
20070249297
2007-10-25

Transmitter and semiconductor integrated circuit for communication

#255
20070248186
2007-10-25

Systems and methods of RF power transmission, modulation, and amplification, including embodiments for compensating for waveform distortion

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2007-10-25

Systems and methods of RF power transmission, modulation and amplification, including embodiments for compensating for waveform distortion

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Method and system for bandwidth calibration for a phase locked loop (PLL)

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2007-10-25

Systems and methods of RF power transmission, modulation, and amplification, including embodiments for compensating for waveform distortion

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20070239152
2007-10-11

Electrolytic depilation device

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2007-10-11

Apparatus for radio telecommunication system and method of building up output power

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2007-10-11

Measurement method and arrangement for amplitude and phase synchronization in a polar transmitter

#262
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Hybrid radio frequency transmitter

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2007-09-13

Digital transmitter

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2007-09-06

Polar modulator and wireless communication apparatus using the same

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2007-08-30

Semiconductor integrated circuit for communication, radio-communication apparatus, and transmission starting method

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20070184797
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Apparatus for radio telecommunication system and method of building up output power

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2007-08-09

METHOD OF DIFFERENTIAL-PHASE/ABSOLUTE-AMPLITUDE POLAR QAM

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20070183532
2007-08-09

Method and system for transmitter envelope delay calibration

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20070182617
2007-08-09

Digital-to-radio frequency conversion device, chip set, transmitter, user terminal and data processing method

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20070165708
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Wireless transceiver with modulation path delay calibration

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20070160164
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Digital transmitters for wireless communication

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Transmitter apparatus and wireless communication apparatus

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Transmission circuit and communication apparatus employing the same

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2007-06-07

Transmission circuit and communication apparatus employing the same

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Method of defining semiconductor fabrication process utilizing transistor inverter delay period

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Gain normalization of a digitally controlled oscillator in an all digital phase locked loop based transmitter

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Baseband compensation of an offset phase locked loop

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Polar modulation transmission apparatus and wireless communication apparatus

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2007-02-15

Synchronization method and apparatus for polar modulation signals

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Amplifier arrangement, polar transmitter having the amplifier arrangement and method for amplifying signals

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2007-01-25

Multi-mode envelope restoration architecture for RF transmitters

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2007-01-18

Polar loop radio frequency (RF) transmitter having increased dynamic range amplitude control

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2007-01-11

Transmitter circuit, transmission method, and communications device using the transmitter circuit

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System and method for enlarging amplitude minima in a linear modulation signal

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Amplifiers

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Universal signal modulators

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Operational amplifier, and amplitude modulator and transmitter using the same

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Wireless communication apparatus having a phase control loop shared by first and second modulation modes and an amplitude control loop

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Multi-mode wireless polar transmitter architecture

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Transmitting/receiving device having a polar modulator with variable predistortion

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2006-08-10

Variable bandwidth envelope modulator for use with envelope elimination and restoration transmitter architecture and method

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Polar modulator and a method for modulation of a signal

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20060160499
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Polar modulator and method for modulation of a signal

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20060159198
2006-07-20

Amplifier, information communication apparatus and amplification method

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2006-06-22

Polar modulator and a use thereof

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20060126754
2006-06-15

Efficient modulation of RF signals

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2006-05-18

Circuit for high-resolution phase detection in a digital RF processor

#298
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2006-05-11

Driver circuit for driving a power amplifier

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2006-05-04

Transmission method and transmitter circuit

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2006-04-27

Polar modulator and method for determining an amplitude offset in a polar modulator