ClassID:

223777

H04B7/2681 - CPC Classification

Classification description:

Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile; Arrangements for Wireless System Synchronisation; Arrangements for Wireless Time-Division Multiple Access [TDMA] System Synchronisation; Time synchronisation Synchronisation of a mobile station with one base station

Recent Application in this class:
#1
20260039335
2026-02-05

Conditional Handover Configurations of Beams of a Cell

#2
20250392382
2025-12-25

SYNCHRONIZATION SIGNAL TRANSMISSION TECHNIQUES

#3
20250158705
2025-05-15

SYNCHRONIZATION SIGNAL TRANSMISSION TECHNIQUES

#4
20250024387
2025-01-16

MAPPING SCHEMES FOR SECONDARY SYNCHRONIZATION SIGNAL SCRAMBLING

#5
20240049299
2024-02-08

Technique for Performing a Random Access Procedure Over a Radio Interface

#6
20230412264
2023-12-21

Synchronization signal transmission techniques

#7
20230403074
2023-12-14

Synchronization signal transmission techniques

#8
20220255591
2022-08-11

Conditional Handover Configurations of Multiple Beams of a Cell

#9
20220110164
2022-04-07

Technique for performing a random access procedure over a radio interface

#10
20210409111
2021-12-30

Synchronization signal transmission techniques

#11
20210105758
2021-04-08

FRAMING FOR AN ADAPTIVE MODULATION COMMUNICATION SYSTEM

#12
20200107376
2020-04-02

Technique for performing a random access procedure over a radio interface

#13
20190342844
2019-11-07

Mapping schemes for secondary synchronization signal scrambling

#14
20190319699
2019-10-17

Synchronization signal transmission techniques

#15
20180026714
2018-01-25

Communication method in time division duplex system, base station, and user equipment

#16
20170353934
2017-12-07

Mapping schemes for secondary synchronization signal scrambling

#17
20170353234
2017-12-07

Conveying hypotheses through resource selection of synchronization and broadcast channels

#18
20170311300
2017-10-26

Framing for an adaptive modulation communication system

#19
20160315694
2016-10-27

Techniques for pruning false peaks during slot synchronization at a user equipment

#20
20160249308
2016-08-25

Mapping schemes for secondary synchronization signal scrambling

#21
20160226576
2016-08-04

Method of performing uplink synchronization in random

#22
20160081048
2016-03-17

Use of correlation combination to achieve channel detection

#23
20160029329
2016-01-28

Mapping schemes for secondary synchronization signal scrambling

#24
20150365927
2015-12-17

Framing for an adaptive modulation communication system

#25
20150271776
2015-09-24

Fine timing measurement burst management

#26
20150215885
2015-07-30

Method of performing uplink synchronization in random access procedure

#27
20150215880
2015-07-30

DEVICES AND METHODS FOR LOCATING RECEIVED TONES IN WIRELESS COMMUNICATIONS SYSTEMS

#28
20150189678
2015-07-02

Technique for performing a random access procedure over a radio interface

#29
20150189614
2015-07-02

Time synchronization function rollover solution

#30
20150055624
2015-02-26

Mapping schemes for secondary synchronization signal scrambling

#31
20140204919
2014-07-24

Multiple power control and timing advance loops during wireless communication

#32
20140177608
2014-06-26

Use of correlation combination to achieve channel detection

#33
20140010196
2014-01-09

Method, apparatus and system of spatial division multiple access communication in a wireless local area network

#34
20130308615
2013-11-21

Technique for performing a random access procedure over a radio interface

#35
20130265913
2013-10-10

Framing for an adaptive modulation communication system

#36
20120218985
2012-08-30

Methods, apparatuses and systems for selective transmission of traffic data using orthogonal sequences

#37
20120189126
2012-07-26

Mapping schemes for secondary synchronization signal scrambling

#38
20120182952
2012-07-19

Framing for an adaptive modulation communication system

#39
20120106484
2012-05-03

Pilot scrambling enabling direct pilot sequence detection in initial acquisition in Evolved UTRA

#40
20120063448
2012-03-15

System and method for uplink timing synchronization

#41
20120008710
2012-01-12

Mapping schemes for secondary synchronization signal scrambling

#42
20110182277
2011-07-28

Method, apparatus and system of spatial division multiple access communication in a wireless local area network

#43
20110116407
2011-05-19

Mobile radio communications device and related method of operation

#44
20110038361
2011-02-17

Method of performing uplink synchronization in random access procedure

#45
20100317284
2010-12-16

Methods, computer program products and apparatus providing improved use of relays in wireless communication

#46
20100303042
2010-12-02

Methods and Arrangements in a Wireless Communication System

#47
20100246525
2010-09-30

Pilot scrambling enabling direct pilot sequence detection in initial acquisition in evolved UTRA

#48
20100238906
2010-09-23

TRANSMISSION TIMING CONTROL SYSTEM AND METHOD THEREOF, AND BASE STATION USING THE SAME AND MOBILE STATION

#49
20100161946
2010-06-24

Controlling jittering effects

#50
20100130190
2010-05-27

Method for controlling the synchronization in a communication system covering at least one cell for wireless communication with a line-limited or across-line wireless direct communication possibility between mobile parts that is synchronized with a base station

#51
20100067502
2010-03-18

Method and apparatus for deriving transmission timing of a downlink control channel in support of enhanced uplink operation

#52
20100029291
2010-02-04

Method for the time-based control of an upward signal transmission in a radio communication system

#53
20100027462
2010-02-04

Terminal in wireless communication system and ranging method for dynamically changing ranging period thereof

#54
20090323629
2009-12-31

Secondary synchronization sequences for cell group detection in a cellular communications system

#55
20090310782
2009-12-17

Mapping schemes for secondary synchronization signal scrambling

#56
20090262713
2009-10-22

SYNCHRONIZATION OF TIMING ADVANCE AND DEVIATION

#57
20090257479
2009-10-15

USE OF CORRELATION COMBINATION TO ACHIEVE CHANNEL DETECTION

#58
20090245227
2009-10-01

Methods and apparatus for uplink frame synchronization in a subscriber station

#59
20090232107
2009-09-17

Method of performing uplink synchronization in random access procedure

#60
20090202031
2009-08-13

Delay estimation for a timing advance loop

#61
20090202025
2009-08-13

Mobile wireless communication apparatus, wireless communication apparatus and communication processing method

#62
20090161654
2009-06-25

System and method for uplink timing synchronization

#63
20090141701
2009-06-04

Concluding validity of uplink synchronization parameter

#64
20090141700
2009-06-04

Technique for performing a random access procedure over a radio interface

#65
20090040985
2009-02-12

METHOD AND APPARATUS FOR SUPPORTING AD-HOC NETWORKING OVER UMTS PROTOCOL

#66
20080247352
2008-10-09

Determination By a Communication Terminal of the Propagation Time of a Reference Signal Coming From a Communications Management Equipment

#67
20080247339
2008-10-09

Mobile radio device synchronization

#68
20080232278
2008-09-25

Method and apparatus for communicating downlink and uplink sub-frames in a half duplex communication system

#69
20080219190
2008-09-11

Random access in time division duplex communication systems

#70
20080207141
2008-08-28

Method and device for transmitting a sequence of transmission bursts

#71
20080151812
2008-06-26

Network control of uplink transmit timing for compressed mode

#72
20080144585
2008-06-19

Framing for an adaptive modulation communication system

#73
20080144583
2008-06-19

Adaptive Frame Synchronization in a Universal Mobile Telephone System Receiver

#74
20080123791
2008-05-29

Mobile wireless communication apparatus, wireless communication apparatus and communication processing method

#75
20080095131
2008-04-24

Method and system for synchronization offset reduction in a TDOA location system

#76
20080049715
2008-02-28

System and method for sub-frame ID and frame boundary detection in long term evolution

#77
20080002660
2008-01-03

Method for maintaining uplink timing synchronization in a mobile communication system and user equipment apparatus for the same

#78
20070297372
2007-12-27

Sample acquisition timing adjustment

#79
20070293157
2007-12-20

Mobile Assisted Timing Alignment

#80
20070275723
2007-11-29

Method and apparatus for performing uplink timing synchronization procedure upon handover in a mobile communication system

#81
20070259666
2007-11-08

Frame synchronization circuit

#82
20070259619
2007-11-08

Method And Apparatus For Single Input, Multiple Output Selection Diversity Aiding Signal Tracking

#83
20070258428
2007-11-08

METHOD AND APPARATUS FOR COORDINATING TIMING IN A WIRELESS LOCAL AREA NETWORK

#84
20070254656
2007-11-01

Apparatus, method and computer program product providing uplink synchronization through use of dedicated uplink resource assignment

#85
20070245216
2007-10-18

Method and apparatus for detecting synchronization of broadcasting channel in an asynchronous mobile communication system

#86
20070230643
2007-10-04

Track State - And Received Noise Power-Based Mechanism For Selecting Demodulator Processing Path In Spatial Diversity, Multi-Demodulator Receiver System

#87
20070218931
2007-09-20

Time/frequency recovery of a communication signal in a multi-beam configuration using a kinematic-based kalman filter and providing a pseudo-ranging feature

#88
20070217555
2007-09-20

Knowledge-Aided CFAR Threshold Adjustment For Signal Tracking

#89
20070189263
2007-08-16

Wireless communication apparatus and wireless communication method

#90
20070184865
2007-08-09

Apparatus, method and computer program product providing fast and reliable uplink synchronization using dedicated resources for user equipment in need of synchronization

#91
20070153760
2007-07-05

Method, apparatus and system of spatial division multiple access communication in a wireless local area network

#92
20070147337
2007-06-28

Method of synchronizing with an uplink channel and a method of determining a propagation delay in a wireless communications system

#93
20070140388
2007-06-21

Method and apparatus for acquiring a frequency burst in a radio communication device

#94
20070140106
2007-06-21

SYNCHRONIZATION CHANNEL FOR OFDMA BASED EVOLVED UTRA DOWNLINK

#95
20070133481
2007-06-14

Framing for an adaptive modulation communication system

#96
20070121744
2007-05-31

Hybrid point to multipoint communication system

#97
20070116166
2007-05-24

Pilot scrambling enabling direct pilot sequence detection in initial acquisition in evolved UTRA

#98
20070110106
2007-05-17

Arrangement and method for synchronizing a signal processing device with an incoming signal

#99
20060292982
2006-12-28

Method for accomodating timing drift between base stations in a wireless communications system

#100
20060211402
2006-09-21

METHOD FOR ESTABLISHIING A SYNCHRONIZATION OR FOR ESTABLISHING A CONNECTION BETWEEN A MOBILE TERMINAL AND AN ACCESS POINT

#101
20060209734
2006-09-21

System and method for allocating and indicating ranging region in a broadband wireless access communication system

#102
20060171328
2006-08-03

Frame synchronization circuit

#103
20060166688
2006-07-27

Method and system for maintaining uplink synchronization with peer-to-peer communication in wireless communication system

#104
20060165113
2006-07-27

Time-division synchronous wireless modem device

#105
20060120408
2006-06-08

Method and apparatus for deriving transmission timing of a downlink control channel in support of enhanced uplink operation

#106
20060058051
2006-03-16

Synchronization establishment between a mobile station and base station system and method used for them

#107
20050254595
2005-11-17

Method and apparatus for estimating a sample delay between a transmission signal and a feedback signal in a mobile communication system, and a base station transmitter using the same

#108
20050254450
2005-11-17

Radio base device, mobile terminal device, reference signal control method, and reference signal control program

#109
20050228854
2005-10-13

Controlling jittering effects

#110
20050207393
2005-09-22

Method and device for synchronizing a mobile radio receiver

#111
20050153721
2005-07-14

Frame synchronization for a mobile communication system

#112
20050136835
2005-06-23

Radio relay device

#113
20050078654
2005-04-14

Parallel cell ID acquisition in frequency division multiple access systems

#114
20050070292
2005-03-31

Method for controlling timing in a communications channel

#115
20050030919
2005-02-10

Method of accessing resources of a radiocommunication system, mobile terminal and base station for the implementation of the method