ClassID:

223447

H04B1/70755 - 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 direct sequence modulation; Synchronisation aspects with code phase acquisition Setting of lock conditions, e.g. threshold

Recent Application in this class:
#1
20250277909
2025-09-04

Detection and Estimation of Direct and Reflected Navigation Satellite Signal Parameters in a Miltipath Environment

#2
20230350075
2023-11-02

Detection and Estimation of Direct and Reflected Navigation Satellite Signal Parameters in a Multipath Environment

#3
20190349021
2019-11-14

Digital radio communication

#4
20170170867
2017-06-15

Blanking using signal-based thresholding schemes

#5
20170170866
2017-06-15

Methods and devices for validating the synchronization between a geolocalizing receptor and an emitting satellite

#6
20160315694
2016-10-27

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

#7
20160306049
2016-10-20

Cross correlation interference estimation circuit issuing two different PN codes

#8
20150372714
2015-12-24

Method and receiver for receiving a binary offset carrier composite signal

#9
20150195003
2015-07-09

Interference mitigation detector encompassing high power peak integer chip value

#10
20150124856
2015-05-07

Method and apparatus for frame synchronization in a positioning system

#11
20130308609
2013-11-21

Method implemented by a subscriber unit for selectively suppressing communications

#12
20130195007
2013-08-01

Incremental preamble detection

#13
20130182748
2013-07-18

Method and apparatus for radio synchronization detection in a rake receiver

#14
20130003786
2013-01-03

Synchronization acquisition method of real time locating system

#15
20120320952
2012-12-20

Receiver for producing phase corrected signals

#16
20120307820
2012-12-06

PSS detection process for an LTE communication network

#17
20120300755
2012-11-29

Process for slot synchronization of the P-SCH sequence in a UMTS communication system and a receiver for the same

#18
20120008598
2012-01-12

METHOD AND APPARATUS FOR PERFORMING AN ACCESS PROCEDURE

#19
20120002706
2012-01-05

Process for assigning a finger of a rake receiver in idle mode, and apparatus for carrying out the process

#20
20110310935
2011-12-22

RECEPTION OF SPREAD SPECTRUM SIGNALS

#21
20110194571
2011-08-11

ADAPTIVE FORWARD POWER CONTROL AND ADAPTIVE REVERSE POWER CONTROL FOR SPREAD-SPECTRUM COMMUNICATIONS

#22
20110188546
2011-08-04

Wireless transmit/receive unit (WTRU) for carrier offset recovery

#23
20110158202
2011-06-30

Code division multiple access (CDMA) communication system

#24
20110122923
2011-05-26

Preamble detection apparatus, preamble detection method, and program

#25
20110103432
2011-05-05

Mitigation circuitry generating cross correlation doppler/code LAG variable comparison value

#26
20110058534
2011-03-10

Method implemented by a subscriber unit for selectively suppressing communications

#27
20100272155
2010-10-28

CODE DETECTION

#28
20100166046
2010-07-01

Method of processing a digital signal derived from a direct-sequence spread spectrum signal

#29
20100157950
2010-06-24

SYSTEM FOR USING RAPID ACQUISITION SPREADING CODES FOR SPREAD-SPECTRUM COMMUNICATIONS

#30
20100142657
2010-06-10

SELECTION SCHEME FOR SELECTING A PEAK IN A CORRELATION SIGNAL

#31
20100103047
2010-04-29

Method for measuring distance and position using spread spectrum signal, and an equipment using the method

#32
20100067517
2010-03-18

Pilot signals for synchronization and/or channel estimation

#33
20100020751
2010-01-28

Mitigation of interference in cell search by wireless transmit and receive units

#34
20100002752
2010-01-07

EFFICIENT MULTIPATH CENTROID TRACKING CIRCUIT FOR A CODE DIVISION MULTIPLE ACCESS (CDMA) SYSTEM

#35
20090325497
2009-12-31

RECEIVED COMMUNICATION SIGNAL PROCESSING METHODS AND COMPONENTS FOR WIRELESS COMMUNICATION EQUIPMENT

#36
20090268785
2009-10-29

Mobile communication terminal, synchronization judging circuit used in the mobile communication terminal, control method, synchronization judging control program

#37
20090196278
2009-08-06

Pilot signals for synchronization and/or channel estimation

#38
20090196271
2009-08-06

Pilot signals for synchronization and/or channel estimation

#39
20090161735
2009-06-25

Direct sequence spread spectrum device and method for communication therewith

#40
20090131009
2009-05-21

RECEIVED COMMUNICATION SIGNAL PROCESSING METHODS AND COMPONENTS FOR WIRELESS COMMUNICATION EQUIPMENT

#41
20090129449
2009-05-21

Received signal determination method, positioning device, and electronic instrument

#42
20090103508
2009-04-23

Automatic power control system for a code division multiple access (CDMA) communications system

#43
20090054094
2009-02-26

Method for identifying a code group representative of a number of base stations

#44
20080317101
2008-12-25

Method and apparatus for detecting lock status of a GPS signal

#45
20080310374
2008-12-18

Mitigation of interference in cell search by wireless transmit and receive units

#46
20080298438
2008-12-04

Pilot signals for synchronization and/or channel estimation

#47
20080240047
2008-10-02

Method and subscriber unit for performing an access procedure

#48
20080240046
2008-10-02

Subscriber unit for performing an access procedure

#49
20080205490
2008-08-28

Method and apparatus for managing finger resources in a communication system

#50
20080167065
2008-07-10

Method employed by a base station for controlling initial power ramp-up using short codes

#51
20080165903
2008-07-10

Apparatus, method and computer program product for detecting non-synchronized random access channel preamble

#52
20080069270
2008-03-20

Power measurement of received CDMA signals using soft threshold preprocessing after correlation

#53
20080068254
2008-03-20

Method for measuring distance and position using spread spectrum signal, and an equipment using the method

#54
20080001817
2008-01-03

Communications systems that reduces auto-correlation or cross-correlation in weak signals

#55
20070293255
2007-12-20

Received communication signal processing methods and components for wireless communication equipment

#56
20070291826
2007-12-20

Spread spectrum receiver for restoring received symbols with a symbol detection window adjusted in optimal and a method therefor

#57
20070237266
2007-10-11

Efficient detection of predetermined sequences

#58
20070207803
2007-09-06

Apparatus for Reducing Auto-Correlation or Cross-Correlation in Weak CDMA Signals

#59
20070189212
2007-08-16

Adaptive modulation and coding

#60
20070189211
2007-08-16

Adaptive modulation and coding

#61
20070189210
2007-08-16

Adaptive modulation and coding

#62
20070189209
2007-08-16

Adaptive modulation and coding

#63
20070189208
2007-08-16

Adaptive modulation and coding

#64
20070149113
2007-06-28

Signal presence detection

#65
20070147483
2007-06-28

Bit synchronization in a communications device

#66
20070104255
2007-05-10

Barker code detector

#67
20070030888
2007-02-08

Method for reducing auto-correlation or cross-correlation in weak signals

#68
20070014338
2007-01-18

Base station for carrier offset recovery

#69
20060245480
2006-11-02

Fast initial acquisition & search device for a spread spectrum communication system

#70
20060245479
2006-11-02

Cross-correlation detection and elimination in a receiver

#71
20060245478
2006-11-02

Method and apparatus for managing finger resources in a communication system

#72
20060161611
2006-07-20

Device and method for determining a correlation maximum

#73
20060140314
2006-06-29

Signal acquisition apparatus and method for reducing false alarm rate

#74
20060140255
2006-06-29

Method and device for detection of a UMTS signal

#75
20060092903
2006-05-04

System and method for power-optimized user loading of a CDMA communication system

#76
20060050775
2006-03-09

Method for detecting random access of user equipment

#77
20060002453
2006-01-05

Pilot signals for synchronization and/or channel estimation

#78
20050265430
2005-12-01

Method and subscriber unit for performing power control

#79
20050254604
2005-11-17

Beaulieu series approach to optimal UMTS RACH preamble detection estimation

#80
20050254557
2005-11-17

Receiver and base station for producing phase-corrected channel signals

#81
20050254478
2005-11-17

Method and apparatus for performing an access procedure

#82
20050249166
2005-11-10

Method and apparatus for performing an access procedure

#83
20050249165
2005-11-10

Method and apparatus for performing an access procedure

#84
20050243897
2005-11-03

Rapid acquisition spreading codes for spread-spectrum communications

#85
20050226312
2005-10-13

Transceiver device

#86
20050223049
2005-10-06

Efficient multichannel filtering for CDMA modems

#87
20050185744
2005-08-25

Synchronization determination control device and synchronization determination control method

#88
20050185736
2005-08-25

Method for limiting signal and transmitter

#89
20050144146
2005-06-30

Pharmaceutical activity and manufacturing method of four kinds of plant compound production of reducing phlegm

#90
20050141643
2005-06-30

Adaptive searcher threshold setting using consecutive ISCP measurements

#91
20050140543
2005-06-30

Method for measuring distance and position using spread spectrum signal, and an equipment using the method

#92
20050097251
2005-05-05

System and method for arbitration of a plurality of processing modules

#93
20050094604
2005-05-05

Method and apparatus for adaptive power control for spread-spectrum communications

#94
20050089087
2005-04-28

Signal detection method with high detection probability and low false alarm rate

#95
20050078614
2005-04-14

Adaptive correlation of access codes in a packet-based communication system

#96
20050047376
2005-03-03

Method of determining an acquisition indicator bit in a communication system

#97
20050030916
2005-02-10

Apparatus and method for acquisition of communication quality

#98
16598601
2020-08-04

Method of spread code acquisition using phase multiplexed shuffled correlation and concurrent two parameter alignment screening