ClassID:

224506

H04J13/20 - CPC Classification

Classification description:

Code division multiplex systems; Code allocation; Allocation of orthogonal codes having an orthogonal variable spreading factor [OVSF]

Recent Application in this class:
#1
20250323680
2025-10-16

GENERATING A COMPOSITE SIGNAL WITH CODE DIVISION MULTIPLEXING (CDM) AND TIME DIVISION MULTIPLEXING (TDM) PILOTS

#2
20230138481
2023-05-04

GENERATING A COMPOSITE SIGNAL WITH CODE DIVISION MULTIPLEXING (CDM) AND TIME DIVISION MULTIPLEXING (TDM) PILOTS

#3
20220007301
2022-01-06

Transmission power control for a radio base station

#4
20210399823
2021-12-23

VARIABLE SPREADING FACTOR CODES FOR NON-ORTHOGONAL MULTIPLE ACCESS

#5
20210384940
2021-12-09

Generating a composite signal with code division multiplexing (CDM) and time division multiplexing (TDM) pilots

#6
20200287645
2020-09-10

Advanced signal processors for interference cancellation in baseband receivers

#7
20200136671
2020-04-30

Generating a composite signal with code division multiplexing (CDM) and time division multiplexing (TDM) pilots

#8
20190280731
2019-09-12

APPARATUS FOR TRANSMITTING AND RECEIVING DATA TO PROVIDE HIGH-SPEED DATA COMMUNICATION AND METHOD THEREOF

#9
20190253172
2019-08-15

Variable spreading factor codes for non-orthogonal multiple access

#10
20190222344
2019-07-18

Channel frequency spreading device and method for CDMA system, and mobile communication system

#11
20180351680
2018-12-06

Advanced signal processors for interference cancellation in baseband receivers

#12
20180278292
2018-09-27

Generating a composite signal with code division multiplexing (CDM) and time division multiplexing (TDM) pilots

#13
20170111135
2017-04-20

Signal coding for improved spectral quality

#14
20170093607
2017-03-30

Methods and system for generating a waveform for transmitting data to a plurality of receivers and for decoding the received waveform

#15
20160057755
2016-02-25

IMPLICIT ADDRESSING FOR SPORADIC MACHINE-TYPE ACCESS

#16
20160050041
2016-02-18

Advanced signal processors for interference cancellation in baseband receivers

#17
20160049974
2016-02-18

Systems and methods for parallel signal cancellation

#18
20150030055
2015-01-29

Apparatus and method for modulating data message by employing orthogonal variable spreading factor (OVSF) codes in mobile communication system

#19
20140341323
2014-11-20

Advanced signal processors for interference cancellation in baseband receivers

#20
20140241325
2014-08-28

Method and apparatus for hybrid FDM-CDM structure for single carrier based control channels

#21
20130294364
2013-11-07

Network nodes and methods

#22
20130272239
2013-10-17

Method of allocating uplink transmission channels in a communication system

#23
20120213054
2012-08-23

Radio communication method, radio communication system, and radio transmission apparatus

#24
20120182973
2012-07-19

Code allocation for uplink MIMO

#25
20120163327
2012-06-28

Method of allocating uplink transmission channels in a communication system

#26
20120114017
2012-05-10

Apparatus and Method for Modulating Data Message By Employing Orthogonal Variable Spreading Factor (OVSF) Codes in Mobile Communication System

#27
20120044926
2012-02-23

Generating a composite signal with code division multiplexing (CDM) and time division multiplexing (TDM) pilots

#28
20110243101
2011-10-06

Method of allocating uplink transmission channels in a communication system

#29
20110096767
2011-04-28

Systems and methods for parallel signal cancellation

#30
20110069796
2011-03-24

Advanced Signal Processors for Interference Suppression in Baseband Receivers

#31
20110019656
2011-01-27

Advanced signal processors for interference cancellation in baseband receivers

#32
20100329402
2010-12-30

Advanced signal processors for interference cancellation in baseband receivers

#33
20100322201
2010-12-23

Method of allocating uplink transmission channels in a communication system

#34
20100322200
2010-12-23

Method of allocating uplink transmission channels in a communication system

#35
20100215080
2010-08-26

Radio communication method, radio communication system, and radio transmission apparatus

#36
20100124206
2010-05-20

Time-division multiplexed pilot signal for integrated mobile broadcasts

#37
20100118855
2010-05-13

Method and apparatus for hybrid FDM-CDM structure for single carrier based control channels

#38
20100103983
2010-04-29

ROOT SPREADING CODE BASED ASSIGNMENT FOR HSDPA

#39
20100069077
2010-03-18

Allocation of spreading codes for telecommunications channels

#40
20090296679
2009-12-03

Symbol-level adaptation method, memory, equalizer and receiver for implementing this method

#41
20090285265
2009-11-19

Apparatus and method for modulating data message by employing orthogonal variable spreading factor (OVSF) codes in mobile communication system

#42
20090245209
2009-10-01

Apparatus and method for allocating OVSF codes and I/Q channels for reducing peak-to-average power ratio in transmitting data via enhanced up-link dedicated channels in WCDMA systems

#43
20090175256
2009-07-09

Radio communication system and base station employing CDMA

#44
20090135788
2009-05-28

ORTHOGONAL VARIABLE SPREADING FACTOR (OVSF) CODE ASSIGNMENT

#45
20090135786
2009-05-28

Method and telecommunication device for selecting number of code channels and associated spreading factor for CDMA transmission

#46
20090097580
2009-04-16

Apparatus and method for modulating data message by employing orthogonal variable spreading factor (OVSF) codes in mobile communicating system

#47
20080219221
2008-09-11

Orthogonal variable spreading factor (OVSF) code assignment

#48
20080130716
2008-06-05

Apparatus and method for spreading/de-spreading data using pair of child orthogonal variable spreading factor codes

#49
20070268959
2007-11-22

Scalable spectrum CDMA communication systems and methods with dynamic orthogonal code allocation

#50
20070171812
2007-07-26

OVSF CODE SYSTEM AND METHODS FOR CDMA STATIONS

#51
20070147309
2007-06-28

Method and system for allocation of channelisation codes in a code division multiple access system

#52
20070115875
2007-05-24

Data transmission method and mobile telephone system

#53
20070104216
2007-05-10

Method of allocating uplink transmission channels in a communication system

#54
20070104086
2007-05-10

Apparatus and method for modulating data message by employing orthogonal variable spreading factor (OVSF) codes in mobile communication system

#55
20070030885
2007-02-08

Method and system of transmitting words representing transmission parameters respectively allocated to mobile stations communicating with a base station in a mobile communication system

#56
20070008944
2007-01-11

Method and system for spreading and scrambling downlike physical channels

#57
20070008935
2007-01-11

Radio communication system and base station employing CDMA

#58
20060245476
2006-11-02

Joint detector in a code division multiple access radio receiver

#59
20060227908
2006-10-12

Advanced signal processors for interference cancellation in baseband receivers

#60
20060227730
2006-10-12

Variable interference cancellation technology for CDMA systems

#61
20060215737
2006-09-28

APPARATUS AND METHOD FOR MODULATING DATA MESSAGE BY EMPLOYING ORTHOGONAL VARIABLE SPREADING FACTOR (OVSF) CODES IN MOBILE COMMUNICATION SYSTEM

#62
20060198342
2006-09-07

Method of generating spreading codes, CDMA transmission apparatus, and CDMA reception apparatus

#63
20060193304
2006-08-31

Method for assigning and method for scheduling codes for data transmissions, between a radio station and at least one subscriber station, over an air interface of a radiocommunication system, together with network-side equipment and radio station

#64
20060154633
2006-07-13

Uplink sinr estimation

#65
20060013288
2006-01-19

Method and circuit for limiting the power of a signal compiled from spread-coded signals

#66
20050265381
2005-12-01

Method of allocating uplink transmission channels in a communication system

#67
20050243763
2005-11-03

Data transmission method and mobile telephone system

#68
20050220000
2005-10-06

Transmission method for downlink control signal in MIMO system

#69
20050213677
2005-09-29

Apparatus and method for allocating OVSF codes and I/Q channels for reducing peak-to-average power ratio in transmitting data via enhanced up-link dedicated channels in WCDMA systems

#70
20050213497
2005-09-29

Method for reusing OVSF codes of allocated physical channels for transmitting data via enhanced up-link in CDMA

#71
20050148318
2005-07-07

Allocation of channelisation code based on cost function

#72
20050147066
2005-07-07

Transmission method of words representing transmission parameters respectively allocated to mobile stations communicating with base station in mobile communication system

#73
20050122894
2005-06-09

Method of controlling allocation of orthogonal variable spreading factor codes in a cellular radio network and control equipment for implementing the method

#74
20050117548
2005-06-02

Nonblocking ovsf codes for 3g wireless and beyond systems

#75
20050070295
2005-03-31

Code tree fragmentation in call admission control

#76
20050041630
2005-02-24

Method for code re-allocation in telecommunication systems, related system and computer product

#77
20050036461
2005-02-17

Method for assigning orthogonal variable spreading factor code in a wireless cellular telecommunication system

#78
20050025096
2005-02-03

Method and apparatus for time-sharing channelization code in a CDMA communication system

#79
14606386
2015-11-03

Time-frequency decoding unit