ClassID:

223499

H04B1/7176 - 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; Spread spectrum techniques using impulse radio Data mapping, e.g. modulation

Recent Application in this class:
#1
20260088855
2026-03-26

ULTRA WIDEBAND RADIO DEVICES AND METHODS

#2
20260039327
2026-02-05

ULTRA WIDEBAND RADIO DEVICES AND METHODS

#3
20260005723
2026-01-01

COMMUNICATION METHOD FOR UWB AND RELATED PRODUCT

#4
20250306193
2025-10-02

ULTRA-WIDEBAND COMMUNICATION SYSTEM

#5
20250167827
2025-05-22

COMMUNICATION METHOD AND APPARATUS

#6
20250132862
2025-04-24

METHOD FOR DETERMINING LENGTH OF LDPC CODE WORD IN UWB SYSTEM AND RELATED APPARATUS

#7
20250119238
2025-04-10

PHYSICAL LAYER PROTOCOL DATA UNIT-BASED COMMUNICATION METHOD AND APPARATUS

#8
20240333335
2024-10-03

RECEIVER CIRCUIT FOR DETECTING AND WAKING UP TO A WAKEUP IMPULSE SEQUENCE

#9
20240250714
2024-07-25

Adaptive extended reality transmissions for ultra-wide band communications

#10
20240014852
2024-01-11

REDUCED INTERPATH INTERFERENCE FOR ULTRAWIDEBAND (UWB) WIRELESS COMMUNICATION

#11
20230408669
2023-12-21

ULTRA-WIDEBAND COMMUNICATION SYSTEM

#12
20230388026
2023-11-30

METHOD AND SYSTEM FOR DIGITAL COMMUNICATION OVER AN ACOUSTIC CHANNEL

#13
20230378998
2023-11-23

Artifact free chaotic spread spectrum communication

#14
20230268955
2023-08-24

Impulse generation method and impulse-radio transmitter

#15
20220352924
2022-11-03

Electromagnetic Communication Method

#16
20220239332
2022-07-28

Impulse radio ultra-wide band transceiver using radio pulses with multi frequency carriers

#17
20220200656
2022-06-23

Device ranging using UWB

#18
20220173948
2022-06-02

Communication system using shape-shifted sinusoidal waveforms

#19
20220166459
2022-05-26

Methods and apparatus for coordinated utilization of quasi-licensed wireless spectrum

#20
20220109511
2022-04-07

Method and system for digital communication over an acoustic channel

#21
20220014230
2022-01-13

Method and device for extracting broadband error calibration parameters and computer-readable storage medium

#22
20210328623
2021-10-21

Communication method and network system

#23
20210327243
2021-10-21

Enhanced location tracking using ultra-wideband

#24
20210289367
2021-09-16

System and method for identifying best location for 5G in-residence router location

#25
20210258041
2021-08-19

Communication device, control method, and storage medium

#26
20210044323
2021-02-11

Ultra-wideband communication system

#27
20200389206
2020-12-10

Pulse based wideband signaling

#28
20200382355
2020-12-03

High spectral efficiency data communications system

#29
20200382159
2020-12-03

Apparatus and method for managing ultra wideband (UWB) occupied bandwidths

#30
20200358475
2020-11-12

Methods for improving flexibility and data rate of chirp spread spectrum systems in LoRaWAN

#31
20200351671
2020-11-05

System and method for identifying best location for 5G in-residence router location

#32
20200284893
2020-09-10

Ultra-wideband communication system

#33
20190393926
2019-12-26

Methods and apparatus for coordinated utilization of quasi-licensed wireless spectrum

#34
20190372618
2019-12-05

Apparatus and methods for processing ultra-wideband electromagnetic waves

#35
20190288740
2019-09-19

Electromagnetic Communication Device

#36
20190182678
2019-06-13

System and method for identifying best location for 5G in-residence router location

#37
20190173705
2019-06-06

High spectral efficiency data communications system using encoded sinusoidal waveforms

#38
20190140882
2019-05-09

Narrowband sinewave modulation system

#39
20190140873
2019-05-09

Receiver for high spectral efficiency data communications system using encoded sinusoidal waveforms

#40
20190140691
2019-05-09

Apparatus and methods for processing ultra-wideband electromagnetic waves

#41
20190132175
2019-05-02

Multi-carrier data communications system having high spectral efficiency

#42
20190132174
2019-05-02

High spectral efficiency data communications system using encoded sinusoidal waveforms

#43
20190132167
2019-05-02

System for encoding multi-bit features into sinusoidal waveforms at selected phase angles

#44
20190132166
2019-05-02

High spectral efficiency data communications system using energy-balanced modulation

#45
20190115950
2019-04-18

Methods and apparatus for coordinated utilization of quasi-licensed wireless spectrum

#46
20180175907
2018-06-21

Binary high-power modulator

#47
20160352552
2016-12-01

Reliable dual sub-carrier modulation schemes in high efficiency WLAN

#48
20160211884
2016-07-21

Pulse position modulation scheme impulse radio transmitter and radio communication system

#49
20150349839
2015-12-03

Ultra wideband modulation for body area networks

#50
20150263783
2015-09-17

System and method of using variable pulses for symbology

#51
20150249481
2015-09-03

Ultra wideband time-delayed correlator

#52
20150010042
2015-01-08

Impulse radio ultra wide bandwidth data transmission encoding/decoding method and encoding/decoding module

#53
20140254633
2014-09-11

System and method of using variable pulses for symbology

#54
20140233609
2014-08-21

Ultra wideband modulation for body area networks

#55
20120320946
2012-12-20

Low power, high resolution timing generator for ultra-wide bandwidth communication systems

#56
20120294334
2012-11-22

Ultra-wide band communication apparatus and method

#57
20120236954
2012-09-20

Wireless communication system and method with elliptically polarized radio frequency signals

#58
20120170618
2012-07-05

Ultra wideband time-delayed correlator

#59
20120045009
2012-02-23

Transmission device for generating an analog modulated pulse train and for transmitting the same and a receiving device for receiving a respective signal

#60
20110268156
2011-11-03

Method for pulse-based ultra-broadband communication between at least one transmitting node and at least one receiving node

#61
20110255453
2011-10-20

System and method for scrambling and time-hopping

#62
20110235741
2011-09-29

Radio communication apparatus

#63
20110188541
2011-08-04

High bandwidth data transport system

#64
20110122929
2011-05-26

Serialization of multi-band sequence keying for ultra wideband receiver architecture with reduced complexity and power consumption

#65
20110122921
2011-05-26

Low power, high resolution timing generator for ultra-wide bandwidth communication systems

#66
20110103461
2011-05-05

System and method of using variable pulses for symbology

#67
20100309959
2010-12-09

Method and apparatus for constant envelope demodulation

#68
20100304681
2010-12-02

Narrowband interference rejection for ultra-wideband systems

#69
20100296550
2010-11-25

Method of space time coding with low papr for multiple antenna communication system of the UWB pulse type

#70
20100265992
2010-10-21

Adaptative multi-carrier code division multiple access

#71
20100265991
2010-10-21

RECEIVING APPARTUS, RECEIVING METHOD, PHASE TRACKING APPARATUS, AND PHASE TRACKING METHOD OF PULSE-BASED UWB WIRELESS SYSTEM

#72
20100265863
2010-10-21

System and method for multi-resolution packet transmission for ultra-low power wireless networks

#73
20100246639
2010-09-30

Time-hopping sequence for burst mode communications

#74
20100226414
2010-09-09

System and a Method for Wireless Transmission and Reception of Concatenated Impulse Radio Ultra-Wideband Data Bursts

#75
20100202494
2010-08-12

Ultra wideband modulation for body area networks

#76
20100195699
2010-08-05

System and method for transmitting and receiving ultra wide band pulse or pulse sequence

#77
20100184391
2010-07-22

Swept notch ultra wide band (UWB) transmitter

#78
20100166037
2010-07-01

UWB transmission apparatus and UWB transmission method

#79
20100128819
2010-05-27

Apparatus for cancelling DC offset and method thereof

#80
20100111138
2010-05-06

Versatile system for dual carrier transformation in orthogonal frequency division multiplexing

#81
20100086073
2010-04-08

System and method to implement concurrent orthogonal channels in an ultra-wide band wireless communications network

#82
20100046586
2010-02-25

Method and system for performing distance measuring and direction finding using ultrawide bandwidth transmissions

#83
20100020851
2010-01-28

TRANSMITTED REFERENCE SIGNALING SCHEME

#84
20100014561
2010-01-21

Space-time coding method for a multi-antenna communication system of the UWB pulse type

#85
20100008404
2010-01-14

Space-time coding method for a multi-antenna system of the UWB pulse type

#86
20090323776
2009-12-31

Communication system, apparatus, and methods

#87
20090323771
2009-12-31

Interactive wireless communication device

#88
20090303089
2009-12-10

Method and system for decompressing at least two two-valued symbol sequences into a three-valued communication sequence

#89
20090290670
2009-11-26

Method of acquiring initial synchronization in impulse wireless communication and receiver

#90
20090268701
2009-10-29

Method for sharing bandwidth using reduced duty cycle signals and media access control

#91
20090252202
2009-10-08

METHOD AND APPARATUS FOR ENHANCED DECODING IN MULTI-BAND ULTRA-WIDEBAND COMMUNICATIONS

#92
20090232227
2009-09-17

PULSE COMMUNICATION DEVICE, PULSE TRANSMITTING DEVICE, PULSE RECEIVING DEVICE, PULSE TRANSMITTING/RECEIVING DEVICE, ELECTRONIC APPARATUS, AND PULSE COMMUNICATION METHOD

#93
20090225809
2009-09-10

Method of differential space-time coding

#94
20090175160
2009-07-09

Precoder Matrix for Multichannel Transmission

#95
20090168919
2009-07-02

Pulse modulation circuit and pulse modulation method

#96
20090122840
2009-05-14

Ultra-wideband communication system provided with a frequency controlled dispersive antenna

#97
20090110050
2009-04-30

Space-time coding method using a partitioned position modulation alphabet

#98
20090103589
2009-04-23

Incoherent type mimo UWB communication system

#99
20090091400
2009-04-09

Method and Apparatus for Generating Dynamically Varying Time Hopping Sequences for UWB Signals

#100
20090051496
2009-02-26

Method and apparatus for low power modulation and massive medium access control

#101
20090046774
2009-02-19

SPACE-TIME CODING/DECODING METHOD FOR MULTI-ANTENNA PULSE TYPE COMMUNICATION SYSTEM

#102
20090016309
2009-01-15

Apparatus and method for ultra wide band communication based on multi-coded bi-orthogonal pulse position modulation

#103
20090009258
2009-01-08

Enhanced Spectral Keying for Wireless Ultra Wideband Communications

#104
20080310538
2008-12-18

Versatile System for Dual Carrier Transformation in Orthogonal Frequency Division Multiplexing

#105
20080273605
2008-11-06

High bandwidth data transport system

#106
20080260004
2008-10-23

Systems and methods for dual-carrier modulation encoding and decoding

#107
20080214164
2008-09-04

Transmission of signals in cellular systems and in mobile networks

#108
20080205486
2008-08-28

Ultra wide band pulse generator provided with an integrated function for digital filtering emulation, and transmission method

#109
20080170631
2008-07-17

System and method for notched spectrum modulation of radio frequency carrier waves

#110
20080161043
2008-07-03

WAVEFORM MULTIMODE WIRED AND WIRELESS COMMUNICATION

#111
20080136644
2008-06-12

Method and system for performing distance measuring and direction finding using ultrawide bandwidth transmissions

#112
20080130685
2008-06-05

Method and apparatus for data transfer using a time division multiple frequency scheme supplemented with polarity modulation

#113
20080112512
2008-05-15

TRANSMITTED REFERENCE SIGNALING SCHEME

#114
20080107162
2008-05-08

Mapping radio-frequency spectrum in a communication system

#115
20080069255
2008-03-20

Efficient Bit Interleaver for A Multi-Band OFDM Ultra-Wideband System

#116
20080062921
2008-03-13

Ultra-wideband communication systems and methods

#117
20080062858
2008-03-13

MB-OFDM transmitter and receiver and signal processing method thereof

#118
20080056333
2008-03-06

Ultra-wideband communication apparatus and methods

#119
20080056186
2008-03-06

Ultra-wideband communication systems and methods

#120
20080037623
2008-02-14

Noncoherent UWB cooperative communications system

#121
20080013445
2008-01-17

Wireless communication system and method with elliptically polarized radio frequency signals

#122
20080012688
2008-01-17

SECURE RFID BASED ULTRA-WIDEBAND TIME-HOPPED PULSE-POSITION MODULATION

#123
20070297487
2007-12-27

Modulating circuit, transmitting apparatus using the same, receiving apparatus and communication system

#124
20070291834
2007-12-20

Wireless Data Transmission Method And Apparatus

#125
20070280333
2007-12-06

Coherent cooperative UWB communication system

#126
20070153877
2007-07-05

Ultra-wideband high data-rate communication apparatus and methods

#127
20070153875
2007-07-05

Ultra-wideband pulse modulation system and method

#128
20070147475
2007-06-28

Transmitting method, receiving method, transmitting device, receiving device and transceiving device for an ultra-wideband communication system

#129
20070140317
2007-06-21

Differential phase modulated multi-band ultra-wideband communication system

#130
20070133694
2007-06-14

Communication system for transmitting and receiving a communication signal having an intra-guard-interval

#131
20070133495
2007-06-14

TRANSMITTER AND TRANSMITTING METHOD OF CODE DIVISION MULTIPLEXING WIRELESS COMMUNICATION SYSTEM USING ON-OFF KEYING MODULATION SCHEME

#132
20070121756
2007-05-31

Data transfer using frequency notching of radio-frequency signals

#133
20070104258
2007-05-10

Wireless transmitter and receiver for use in an ultra-wideband direct spread pulse communication system

#134
20070104150
2007-05-10

Transmission structure supporting multi-user scheduling and MIMO transmission

#135
20070091984
2007-04-26

Dual-Carrier Modulation Decoder

#136
20070086509
2007-04-19

Multiple-input multiple-output ultra-wide band communication method and device using hermite pulses

#137
20070081532
2007-04-12

Data packet and data packet constructing method using reserved bits

#138
20070054682
2007-03-08

Broadband carrier frequency selection

#139
20070014333
2007-01-18

UWB communication device and UWB communication method

#140
20070002931
2007-01-04

Wireless communication system using an impulse signal train, a wireless transmission apparatus, a wireless reception apparatus, a wireless transmission method, and a wireless reception method

#141
20060285578
2006-12-21

ROBUST NON-COHERENT RECEIVER FOR PAM-PPM SIGNALS

#142
20060285577
2006-12-21

Mapping radio-frequency noise in an ultra-wideband communication system

#143
20060285513
2006-12-21

Method and apparatus for transmitting a frame synchronisation sequence and band extension information for a uwb multi-band cofdm wireless network

#144
20060258309
2006-11-16

Transmission method, transmitter, reception method, and receiver

#145
20060245482
2006-11-02

Time-slot sequenced multi-band uwb communication system

#146
20060233233
2006-10-19

Method and device for receiving or transmitting a signal with encoded data

#147
20060209922
2006-09-21

Single-pulse and multi-pulse transmitted reference impulse radio systems with energy detecting receivers

#148
20060203931
2006-09-14

M-ary modulation of signals for coherent and differentially coherent receivers

#149
20060203795
2006-09-14

Method for sharing bandwidth using reduced duty cycle signals and media access control

#150
20060164271
2006-07-27

Method and apparatus for converting optical signals to radio channels

#151
20060146951
2006-07-06

System and method of processing frequency-diversity coded signals with low sampling rate

#152
20060146944
2006-07-06

System and method of processing frequency-diversity signals with reduced-sampling-rate receiver

#153
20060146916
2006-07-06

Adaptive frame durations for time-hopped impulse radio systems

#154
20060133452
2006-06-22

Time domain spreading method and apparatus for a UWB receiver comprising fast fourier transform and exchange of real and imaginary complex signal components

#155
20060133451
2006-06-22

Use of pseudo-random frequency sequence to reduce pico-net interference in a multi-band uwb network

#156
20060120437
2006-06-08

FIR filter of DS-CDMA UWB modem transmitter and control method thereof

#157
20060088080
2006-04-27

Low-interference UWB wireless communication system and processing method thereof and storage medium recorded program of the same

#158
20060083333
2006-04-20

Modulating signals for coherent and differentially coherent receivers

#159
20060083294
2006-04-20

Modulating signals for coherent and differentially coherent receivers

#160
20060078041
2006-04-13

Transmitter, receiver, and data communications system and method

#161
20060077887
2006-04-13

Data transmission method in multiband orthogonal frequency division multiplexing (OFDM) system

#162
20060072684
2006-04-06

Data communication for wired and wireless communication

#163
20060072647
2006-04-06

Hybrid communication and broadcast systems

#164
20060072646
2006-04-06

Broadband, ultra wideband and ultra narrowband reconfigurable interoperable systems

#165
20060067293
2006-03-30

Digital synthesis of communication signals

#166
20060062278
2006-03-23

Ultrawideband radio transmitter, ultrawideband radio receiver, and ultrawideband radio transmission/reception system

#167
20060007988
2006-01-12

Apparatus, system and method for flip modulation in an impulse radio communications system

#168
20050276310
2005-12-15

Method for ultra wideband communication, and ultra wideband transmitter and receiver

#169
20050271118
2005-12-08

Method and device for characterizing ultra-wide band (UWB) pulse sequences

#170
20050260952
2005-11-24

Bridged ultra-wideband communication method and apparatus

#171
20050259720
2005-11-24

Ultra wide bandwidth spread-spectrum communications system

#172
20050254554
2005-11-17

Method and apparatus for multi-band UWB communications

#173
20050243709
2005-11-03

Bridged ultra-wideband communication method and apparatus

#174
20050237975
2005-10-27

Ultra-wideband communication protocol

#175
20050232381
2005-10-20

Method for detecting UWB pulse sequences without local pulse generation

#176
20050232371
2005-10-20

Method and apparatus for data transfer using wideband bursts

#177
20050232137
2005-10-20

Versatile system for dual carrier transformation in orthogonal frequency division multiplexing

#178
20050226188
2005-10-13

Hand-off between ultra-wideband cell sites

#179
20050223306
2005-10-06

Communications apparatus, systems, and methods

#180
20050220172
2005-10-06

Methods and apparatus for generating and processing wideband signals having reduced discrete power spectral density components

#181
20050201446
2005-09-15

Dynamic differentiated link adaptation for ultra-wideband communication system

#182
20050201333
2005-09-15

Hand-off between ultra-wideband cell sites

#183
20050195887
2005-09-08

System and device for modulating UWB pulse sequences

#184
20050195883
2005-09-08

Method and apparatus for ultra wideband communication

#185
20050195765
2005-09-08

Dual carrier modulator for a multiband OFDM UWB transceiver

#186
20050175076
2005-08-11

System and method for tracking an ultrawide bandwidth signal

#187
20050175068
2005-08-11

Randomly changing pulse polarity and phase in an UWB signal for power spectrum density shaping

#188
20050164663
2005-07-28

Pre-testing and certification of multiple access codes

#189
20050163235
2005-07-28

Method and apparatus for improving error rates in multi-band ultra wideband communication systems

#190
20050135457
2005-06-23

Ultra wide bandwidth transmitter with tone grouping and spreading

#191
20050131922
2005-06-16

High bandwidth data transport system

#192
20050113045
2005-05-26

Bridged ultra-wideband communication method and apparatus

#193
20050111570
2005-05-26

Method for modulating UWB pulse sequences

#194
20050105649
2005-05-19

Constitution of a receiver in an ultra-wideband wireless communications system

#195
20050105634
2005-05-19

Method for demodulating UWB pulse sequences

#196
20050105588
2005-05-19

Digital carrier multi-band user codes for ultra-wideband multiple access

#197
20050100076
2005-05-12

Adaptive holographic wideband communications apparatus and methods

#198
20050094784
2005-05-05

System and method of using variable pulses for symbology

#199
20050094709
2005-05-05

Ultra-wideband communication apparatus and methods

#200
20050069021
2005-03-31

Ultra-wideband communication apparatus and methods

#201
20050063708
2005-03-24

System and method of using variable pulses for symbology

#202
20050058211
2005-03-17

Method for detecting UWB pulse sequences and analog detection means suitable for this purpose

#203
20050058210
2005-03-17

Bipolar waveform modulation for ultra wideband (UWB) communication networks

#204
20050058114
2005-03-17

Ultra-wideband communication protocol

#205
20050048978
2005-03-03

Hand-off between ultra-wideband cell sites

#206
20050047367
2005-03-03

Ultra-wideband communication systems and methods

#207
20050031059
2005-02-10

Mapping radio-frequency spectrum in a communication system

#208
20050031043
2005-02-10

Method for identifying the beginning of a UWB pulse sequence

#209
20050031020
2005-02-10

Method for detecting UWB pulse sequences and detection means suitable for this purpose

#210
20050020206
2005-01-27

Method and apparatus to transfer information

#211
20050017894
2005-01-27

Time domain radio transmission system

#212
20050017893
2005-01-27

Time domain radio transmission system

#213
20050013345
2005-01-20

Method for ultra wideband communication using frequency band modulation, and system for the same

#214
20050009557
2005-01-13

Transmission method, transmitter, reception method, and receiver

#215
18118118
2024-03-12

Automatic Gain Control (AGC) for On-Off Shift-Keying (OOK) receiver

#216
17524551
2023-04-04

Systems and methods for low complexity soft data computation

#217
17339884
2023-01-17

Data transfer protocol for ultra-wideband (UWB)

#218
16520986
2020-09-15

Methods for improving flexibility and data rate of chirp spread spectrum systems in LoRaWAN

#219
15973036
2019-02-12

Apparatus and methods for processing ultra-wideband electromagnetic waves

#220
15724855
2018-06-12

Apparatus and methods for processing ultra-wideband electromagnetic waves

#221
15659298
2019-05-14

Methods and systems for performing radio-frequency signal noise reduction in the absence of noise models

#222
12831186
2015-04-28

Circuits, architectures, apparatuses, algorithms and methods for providing quadrature outputs using a plurality of divide-by-n dividers