ClassID:

223503

H04B1/74 - 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 for increasing reliability, e.g. using redundant or spare channels or apparatus

Sub-classes:
Recent Application in this class:
#1
20260149536
2026-05-28

IMPROVED RADIO ACCESS NETWORK (RAN) REDUNDANCY

#2
20250357966
2025-11-20

PERFORMING CHANNEL SELECTIONS TO OPTIMIZE DATA TRANSMISSION

#3
20250279911
2025-09-04

COMMUNICATION SYSTEM AND COMMUNICATION METHOD

#4
20250158655
2025-05-15

CHANNEL ACCESS IN UNLICENSED SPECTRUM

#5
20240214027
2024-06-27

DATA TRANSFER WITH MULTIPLE THRESHOLD ACTIONS

#6
20240129053
2024-04-18

Timing adjustment for distributed network architecture

#7
20230413314
2023-12-21

METHOD AND APPARATUS FOR PARTIAL BEAM FAILURE RECOVERY IN A WIRELESS COMMUNICATIONS SYSTEM

#8
20230379376
2023-11-23

Call setup following a dedicated bearer failure

#9
20230216625
2023-07-06

Beam failure recovery

#10
20230198571
2023-06-22

Data transfer with multiple threshold actions

#11
20230188178
2023-06-15

CIRCUIT REDUNDANCY AND WEAR BALANCING TO IMPROVE CIRCUIT LIFETIME

#12
20230072340
2023-03-09

Channel access in unlicensed spectrum

#13
20220311531
2022-09-29

TIMING ADJUSTMENT FOR DISTRIBUTED NETWORK ARCHITECTURE

#14
20220294582
2022-09-15

Method performed by user equipment, and user equipment

#15
20220263539
2022-08-18

BEAM FAILURE RECOVERY DETERMINING METHOD, TERMINAL DEVICE, AND STORAGE MEDIUM

#16
20220239437
2022-07-28

User terminal and radio communication method

#17
20220174685
2022-06-02

Method for performing beam management by UE in wireless communication system, and UE and base station supporting same

#18
20220166460
2022-05-26

Method and apparatus for handling radio link failure on unlicensed frequency in a wireless communication system

#19
20220166453
2022-05-26

TRIPLE-BAND TRIGGER TOOL FOR TIRE-PRESSURE MONITORING SYSTEM

#20
20220149913
2022-05-12

Method and apparatus for configuring a triggering condition of a beam failure event and a communication system

#21
20220132517
2022-04-28

METHOD AND APPARATUS FOR PARTIAL BEAM FAILURE RECOVERY IN A WIRELESS COMMUNICATIONS SYSTEM

#22
20220094391
2022-03-24

METHOD AND APPARATUS FOR HANDLING RLC STUCK PROBLEM IN WIRELESS COMMUNICATION SYSTEM

#23
20220070257
2022-03-03

Data transfer with multiple threshold actions

#24
20210320764
2021-10-14

Beam failure recovery

#25
20210320688
2021-10-14

System and method for establishing an intervehicle communication

#26
20210281340
2021-09-09

Timing adjustment for distributed network architecture

#27
20210242902
2021-08-05

Radio transmission apparatus, transmission system, transmission method, and non-transitory computer readable medium storing program

#28
20210211980
2021-07-08

Apparatus and method for performing beam failure recovery in a wireless communication system

#29
20200296664
2020-09-17

Systems and methods for reducing interference in a TDMA based wireless network

#30
20200235778
2020-07-23

Flexible redundancy using RF switch matrix

#31
20200214018
2020-07-02

Beam recovery procedure for full duplex operation

#32
20200137750
2020-04-30

Method and apparatus for configuring a triggering condition of a beam failure event and a communication system

#33
20200045108
2020-02-06

CONTROLLING THE STATE OF DUPLEXING OF COUPLING FACILITY STRUCTURES

#34
20190239288
2019-08-01

Standby controllers for access points

#35
20190166555
2019-05-30

Appratus and method for beam failure recovery in a wireless communication system

#36
20190158373
2019-05-23

Wi-Fi/BPL dual mode repeaters for power line networks

#37
20190149446
2019-05-16

Systems and methods for selection between multiple redundant data streams

#38
20190140758
2019-05-09

Timing adjustment for distributed network architecture

#39
20190028144
2019-01-24

Flexible redundancy using RF switch matrix

#40
20180287740
2018-10-04

AIS data transmission

#41
20180269982
2018-09-20

Technique for focusing waves on moving objects

#42
20180212858
2018-07-26

Systems and methods for selection between multiple redundant data streams

#43
20180167103
2018-06-14

System for generating, transmitting and receiving auxiliary signals and methods useful in conjunction therewith

#44
20180138942
2018-05-17

Tristate and cross current free output buffer

#45
20180103095
2018-04-12

Controlling the state of duplexing of coupling facility structures

#46
20180027432
2018-01-25

Wireless communication system, wireless communication apparatus, and wireless communication method

#47
20170324472
2017-11-09

Framer and framing method

#48
20170237595
2017-08-17

Transmission system

#49
20170163390
2017-06-08

SYSTEM AND METHOD FOR USING OFDM REDUNDANCY FOR OPTIMAL COMMUNICATION

#50
20170155423
2017-06-01

Flexible redundancy using RF switch matrix

#51
20160365884
2016-12-15

System and method for reconfiguring RF signals in a multi-input receiver

#52
20160277067
2016-09-22

Reducing transmission rate to support fast convergence

#53
20160261477
2016-09-08

Wi-Fi/BPL dual mode repeaters for power line networks

#54
20160164659
2016-06-09

Controlling the state of duplexing of coupling facility structures

#55
20160119050
2016-04-28

Receiver, system and method for frequency diversity communications using beacon and methods useful in conjunction therewith

#56
20160099747
2016-04-07

Add-on apparatus for channel compensation of frequency diversity communications and methods useful in conjunction therewith

#57
20160021590
2016-01-21

Radio device and a method for the transmission of information

#58
20150378852
2015-12-31

Methods and systems of managing an interconnection

#59
20150349840
2015-12-03

Methods and apparatus for improving performance based on filter characteristics

#60
20150341080
2015-11-26

Transmission device and radio signal transmission method

#61
20150333793
2015-11-19

METHOD FOR REDUNDANTLY AND SECURELY TRANSFERRING DATA FROM A DATA SOURCE TO A DATA SINK

#62
20150303979
2015-10-22

Electronic device having sensor-combined antenna device

#63
20150236951
2015-08-20

Distributed protection switching architecture for point-to-point microwave radio systems

#64
20150223311
2015-08-06

Wireless communications circuit protection structure

#65
20150171919
2015-06-18

Method and system to improve antenna tuner reliability

#66
20150140941
2015-05-21

Systems and methods of transmitter protection for wireless communications

#67
20150071184
2015-03-12

Method for a transmitter for a multi-channel communication system for sending real-time data

#68
20150023451
2015-01-22

Predistortion factor determination for predistortion in power amplifiers

#69
20140370829
2014-12-18

Transmission system and control method of same

#70
20140334307
2014-11-13

Method for transmission of backhaul data in wireless 238communication systems

#71
20140328355
2014-11-06

COMMUNICATION SYSTEM, AND COMMUNICATION DEVICE

#72
20140317368
2014-10-23

Device information backup method, device, and system

#73
20140287798
2014-09-25

Communication system, apparatus and method

#74
20140241480
2014-08-28

Hitless efficient transmitter protection of all outdoor radios

#75
20140225666
2014-08-14

Redundant amplifier and switching method thereof

#76
20140086581
2014-03-27

Method for resizing network connection in the optical transport network supporting protection switching

#77
20140086572
2014-03-27

Transmission apparatus and processing method thereof

#78
20140071809
2014-03-13

Distributed protection switching architecture for point-to-point microwave radio systems

#79
20140003309
2014-01-02

Systems and methods of transmitter protection for wireless communications

#80
20130189974
2013-07-25

Method for performing and a device for providing a M2ME fail over mechanism

#81
20130179553
2013-07-11

Controlling the state of duplexing of coupling facility structures

#82
20130149967
2013-06-13

Reliable communications for wireless devices

#83
20130141272
2013-06-06

Microwave transmission apparatus

#84
20130114769
2013-05-09

Dynamic receiver switching

#85
20130107700
2013-05-02

Wireless communication apparatus and wireless communication method

#86
20130095766
2013-04-18

Receiving apparatus

#87
20120327801
2012-12-27

Method for processing degradation of radio link quality in a wireless communication system supporting relays

#88
20120300617
2012-11-29

Method and apparatus for protecting tunnel

#89
20120276855
2012-11-01

WIRELESS LINK BACKUP SYSTEM

#90
20120269057
2012-10-25

ACTIVE/STANDBY SWITCHING METHOD SYSTEM CONTROL UNIT AND COMMUNICATION SYSTEM

#91
20120189017
2012-07-26

Method and system for providing hitless switching while maintaining a power equivalent bandwidth (PEB) ratio using multiple carriers

#92
20120140654
2012-06-07

Method and apparatus for managing backup channel in multi-channel environment

#93
20120129454
2012-05-24

Communication terminal and communication control method

#94
20120120792
2012-05-17

Monitor/control device and monitor target device

#95
20120112561
2012-05-10

Method and system for switching main board and standby board

#96
20120106667
2012-05-03

Systems and methods of transmitter protection for wireless communications

#97
20120106545
2012-05-03

Main/standby switching interface module, network element system, and link information synchronization detection method

#98
20120100799
2012-04-26

Method of determining reliability of received signal, method of calculating code phase error, and apparatus for determining reliability of received signal

#99
20110320890
2011-12-29

Data transmission apparatus with information skew and redundant control information and method

#100
20110222522
2011-09-15

Radio Station System for a Wireless Network

#101
20110201268
2011-08-18

Communication system, apparatus and method

#102
20110191625
2011-08-04

Controlling the state of duplexing of coupling facility structures

#103
20110176559
2011-07-21

Communication circuit, communication network, and connecting apparatus

#104
20110158648
2011-06-30

Optical network system, optical redundant switching apparatus, and WDM apparatus

#105
20110149900
2011-06-23

Efficient working standby radio protection scheme

#106
20110069950
2011-03-24

Optical communication transmission system and method for checking performance of optical communication transmission system

#107
20110058614
2011-03-10

Wi-Fi/BPL dual mode repeaters for power line networks

#108
20100322354
2010-12-23

Transmitting method, receiving method, transmitting device and receiving device

#109
20100315944
2010-12-16

Distributed protection switching architecture for point-to-point microwave radio systems

#110
20100279614
2010-11-04

Modulation mode switching type communication device and modulation mode switching method

#111
20100278526
2010-11-04

Channel protection for multi-channel optical transmission system and method

#112
20100266274
2010-10-21

Method, system and board apparatus for implementing automatic protection switching between active board and standby board

#113
20100265818
2010-10-21

Mobile device, base stations, backhaul network device, and method and computer program storage product for the mobile device

#114
20100254701
2010-10-07

Linear protection method of the optical network

#115
20100238936
2010-09-23

Data processing apparatus and redundancy switching method

#116
20100211676
2010-08-19

Communication apparatus detecting abnormaility by communicating an effectiveness notification

#117
20100091645
2010-04-15

System and method for providing a multipath switchover between redundant streams

#118
20100061362
2010-03-11

Method for industrial wireless communication based on self-adaptive channel hopping within the timeslot

#119
20090323786
2009-12-31

Method and apparatus for identifying and selecting proper cable connections

#120
20090253462
2009-10-08

SCALEABLE BASE STATION ARCHITECTURE

#121
20090172193
2009-07-02

Cable redundancy with a networked system

#122
20090170506
2009-07-02

System and method for preventing lapses of communication in radio voice communications

#123
20090154343
2009-06-18

Apparatus and method for adapting to failures in gateway devices in mesh networks

#124
20090072953
2009-03-19

Reliable redundant data communication through alternating current power distribution system

#125
20090034594
2009-02-05

Keeping modems online upon N+1 switchover in cable modem termination systems

#126
20080273602
2008-11-06

Data transmission apparatus with information skew and redundant control information and method

#127
20080266077
2008-10-30

Fault tolerant closed system control using power line communication

#128
20080261642
2008-10-23

REDUNDANT WIRELESS BASE STATION

#129
20080261641
2008-10-23

REDUNDANT WIRELESS BASE STATION

#130
20080259839
2008-10-23

REDUNDANT WIRELESS BASE STATION

#131
20080253280
2008-10-16

Redundant Wireless Base Station

#132
20080247309
2008-10-09

Method And Device For Realizing Primary-Backup Protective Of Low Order Cross Apparatus

#133
20080220818
2008-09-11

BASE STATION RADIO APPARATUS, MOBILE UNIT COMMUNICATION SYSTEM, AND BASE STATION RADIO APPARATUS CONTROL METHOD

#134
20080175141
2008-07-24

Distributed protection switching architecture for point-to-point microwave radio systems

#135
20080171569
2008-07-17

REDUNDANT WIRELESS BASE STATIONS

#136
20080144491
2008-06-19

Recovery method and radio network controller in radio communication system

#137
20070288792
2007-12-13

STORAGE CONTROLLER REDUNDANCY USING PACKET-BASED PROTOCOL TO TRANSMIT BUFFER DATA OVER REFLECTIVE MEMORY CHANNEL

#138
20070268844
2007-11-22

Controlling the state of duplexing of coupling facility structures

#139
20070139104
2007-06-21

Standby and concurring system of a power amplifier and method for power amplifying

#140
20070054660
2007-03-08

Wireless Backup Telephone Device

#141
20070028280
2007-02-01

Distributed Gain Subscriber Tap with Power Management

#142
20060136458
2006-06-22

Managing the state of coupling facility structures

#143
20060092912
2006-05-04

Application driven router redundancy protocol

#144
20050268182
2005-12-01

System for protection link supervision

#145
20050240840
2005-10-27

Method and system for on demand selective rerouting of logical circuit data in a data network

#146
20050210317
2005-09-22

Storage controller redundancy using bi-directional reflective memory channel

#147
20050175076
2005-08-11

System and method for tracking an ultrawide bandwidth signal

#148
20050144504
2005-06-30

Hitless protection switching

#149
16279928
2020-03-24

Systems and methods for integrated antennas

#150
15877322
2019-05-21

Reliable, maintenance-free radio-frequency hardware architecture