ClassID:

223460

H04B2001/70935 - 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; Correlator structure; Matched filter type using a bank of matched fileters, e.g. Fast Hadamard Transform

Recent Application in this class:
#1
20250385703
2025-12-18

SYSTEM AND METHODS FOR CONTROLLING FILTER BANK DEVICE

#2
20240348283
2024-10-17

PARALLELIZATION OF HADAMARD TRANSFORMS OF WIRELESS SIGNALS

#3
20240313808
2024-09-19

HIGH-PERFORMANCE FILTER BANK CHANNELIZERS

#4
20240171212
2024-05-23

PROCESSING DEVICE, NETWORK NODE, CLIENT DEVICE, AND METHODS THEREOF

#5
20230275604
2023-08-31

Wide band tunable transceiver

#6
20230261785
2023-08-17

Polar coding Reed-Muller node optimization using Fast Hadamard Transform

#7
20230238993
2023-07-27

Configurable electronic warfare radio frequency receiver

#8
20220399908
2022-12-15

Dynamic band steering filter bank module

#9
20220247449
2022-08-04

Beam-Time Hopping Modulation System and Method

#10
20220200637
2022-06-23

HIGH-PERFORMANCE FILTER BANK CHANNELIZERS

#11
20220132606
2022-04-28

System and method for performing multiple radio frequency allocation

#12
20210203049
2021-07-01

Reconfigurable filter based on commutation of single frequency resonators

#13
20210167804
2021-06-03

Antenna system and base station

#14
20200358475
2020-11-12

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

#15
20200343936
2020-10-29

Processing device, network node, client device, and methods thereof

#16
20200091960
2020-03-19

Communication device, spread-spectrum receiver, and related method using normalized matched filter for improving signal-to-noise ratio in harsh environments

#17
20190334575
2019-10-31

Processing device, network node, client device, and methods thereof

#18
20190260418
2019-08-22

Configuration of NOMA communication using multiple sets of spreading sequences

#19
20190260417
2019-08-22

Pairwise cross correlation sequences for non-orthogonal multiple access wireless communications

#20
20190140689
2019-05-09

Processing device, network node, client device, and methods thereof

#21
20190110267
2019-04-11

Method and apparatus for transmitting and receiving narrowband synchronization signals

#22
20190036674
2019-01-31

Complex synthetic method and system for physical and information signal canalizing

#23
20180123834
2018-05-03

Device and method for detecting transmission signal

#24
20170223652
2017-08-03

Method and apparatus for transmitting and receiving narrowband synchronization signals

#25
20170070997
2017-03-09

System and method for enhancing channel estimation at a receiver

#26
20160373172
2016-12-22

Walsh-hadamard transformed GFDM radio transmission

#27
20160191114
2016-06-30

Methods and apparatuses using filter banks for multi-carrier spread spectrum signals

#28
20150139008
2015-05-21

Early frame bandwidth assessment in a multi-bandwidth wireless local area network

#29
20150010043
2015-01-08

Methods for managing alignment and latency in interference suppression

#30
20130142218
2013-06-06

Methods and apparatuses using filter banks for multi-carrier spread-spectrum signals

#31
20130080711
2013-03-28

Dynamic power scaling of an intermediate symbol buffer associated with covariance computations

#32
20120250732
2012-10-04

Technique for searching for a preamble signal in a spread spectrum using a fast hadamard transform

#33
20120195360
2012-08-02

Methods for managing alignment and latency in interference suppression

#34
20120063293
2012-03-15

Using a single FHT to decode access-based handoff probes from multiple users

#35
20100166121
2010-07-01

METHODS AND APPARATUS FOR RECEIVER HAVING FAST WALSH TRANSFORM

#36
20100027592
2010-02-04

Technique for searching for a preamble signal in a spread spectrum signal using a fast Hadamard transform

#37
20100027587
2010-02-04

Systems and methods for high data rate ultra wideband communication

#38
20090274198
2009-11-05

Determination of active spreading codes and their powers

#39
20090141777
2009-06-04

Station comprising a rake receiver

#40
20090122841
2009-05-14

Despreading circuit and electronic apparatus

#41
20080181096
2008-07-31

Using a single FHT to decode access-based handoff probes from multiple users

#42
20080140752
2008-06-12

Method and apparatus for efficient matrix multiplication in a direct sequence CDMA system

#43
20080130714
2008-06-05

Interference cancellation for wireless communication

#44
20080095215
2008-04-24

Coherent detection without transmission preamble

#45
20080065711
2008-03-13

System and Method for Fast Walsh Transform Processing in a Multi-Coded Signal Environment

#46
20080043683
2008-02-21

Apparatus and method for communicating packet data control channel in a mobile communication system

#47
20070195862
2007-08-23

Spread-spectrum receiver with fast M-sequence transform

#48
20070160013
2007-07-12

Multistage despreading of spread spectrum communications signals

#49
20070127434
2007-06-07

Station comprising a rake receiver

#50
20070116099
2007-05-24

Quasi-linear interference cancellation for wireless communication

#51
20070115869
2007-05-24

Systems and method for high data rate ultra wideband communication

#52
20060109936
2006-05-25

Non-coherent phase differential and multiple orthogonal signal reception

#53
20050220186
2005-10-06

Timing adjustment method and digital filter and receiver using the method

#54
20050169216
2005-08-04

Channelization code determination by a user equipment

#55
20050169198
2005-08-04

Base station midamble selection

#56
20050111405
2005-05-26

Interference cancellation method and apparatus

#57
20050070237
2005-03-31

Receiving method and receiver with high-precision signal estimation

#58
17215813
2023-05-30

Wide band tunable transceiver

#59
17173920
2022-02-08

Frequency selective limiter

#60
16520986
2020-09-15

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