ClassID:

225873

H04L25/4975 - CPC Classification

Classification description:

Baseband systems; Synchronous or start-stop systems, e.g. for Baudot code; Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems by correlative coding, e.g. partial response coding or echo modulation coding transmitters and receivers for partial response systems Correlative coding using Tomlinson precoding, Harashima precoding, Trellis precoding or GPRS

Recent Application in this class:
#1
20210367645
2021-11-25

Tomlinson-harashima precoding in an OTFS communication system

#2
20200228170
2020-07-16

Tomlinson-harashima precoding in an OTFS communication system

#3
20190173586
2019-06-06

PAM-4 transmitter precoder for 1+0.5D PR channels

#4
20190036577
2019-01-31

Tomlinson-Harashima precoding in an OTFS communication system

#5
20190028142
2019-01-24

Signal transmission method of wireless communication system, base station and user equipment

#6
20170237587
2017-08-17

Transmitting means for transmitting an output signal, receiving means for receiving an output signal, and methods for transmitting and receiving the same

#7
20170054473
2017-02-23

Non-linear precoder with separate tracking

#8
20160021670
2016-01-21

Joint waveform design and interference pre-cancellation for time-reversal systems

#9
20150305055
2015-10-22

Methods and apparatus for partial interference reduction within wireless networks

#10
20150030062
2015-01-29

Precoding loss reduction

#11
20150009851
2015-01-08

Precoding method, base station and user equipment

#12
20150003510
2015-01-01

Asymmetric complexity PHYs to reduce power dissipation in point-to-point communication links

#13
20140294126
2014-10-02

Methods and apparatus for reducing interference effect on data transmitted over a communication channel

#14
20140269642
2014-09-18

Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology

#15
20140177698
2014-06-26

Signal transmission device performing compensation by filtering characteristics and method thereof, and signal reception device offsetting compensation and method thereof

#16
20130223555
2013-08-29

Iterative nonlinear precoding and feedback for multi-user multiple-input multiple-output (MU-MIMO) with channel state information (CSI) impairments

#17
20130136050
2013-05-30

Transmission apparatus, reception apparatus, wireless communication system, control program and integrated circuit

#18
20130115986
2013-05-09

Methods and apparatus for partial interference reduction within wireless networks

#19
20120224660
2012-09-06

Method and apparatus for performing demapping in wireless communication system

#20
20120066858
2012-03-22

Tank tray for an extractor cleaning machine

#21
20120027413
2012-02-02

High-speed transmission system for optical channels

#22
20110305298
2011-12-15

Dirty paper precoding method and transmitter implemented by using phase reshaping

#23
20110305267
2011-12-15

Precoder for a communication system and methods used in said communication system

#24
20110206109
2011-08-25

System and method for high speed communications using digital signal processing

#25
20100260253
2010-10-14

Method and apparatus for improving communication system performance in Tomlinson Harashima Precoding (THP) mode with a zero edge filter

#26
20100226422
2010-09-09

Precoder construction and equalization

#27
20100150264
2010-06-17

Precoder design for different channel lengths

#28
20100080323
2010-04-01

Methods and apparatus for partial interference reduction within wireless networks

#29
20080310492
2008-12-18

Parameter Adjustment Device and Parameter Adjustment Method

#30
20080225937
2008-09-18

Method and system of providing a high speed Tomlinson-Harashima Precoder

#31
20070133586
2007-06-14

Off-Line Broadband Network Interface

#32
20070079742
2007-04-12

Dirty paper precoding with known interference structure at receiver

#33
20060198459
2006-09-07

Nonlinear precoding method for a digital broadcast channel

#34
20060045197
2006-03-02

LDPC (Low Density Parity Check) coded 128 DSQ (Double Square QAM) constellation modulation and associated labeling

#35
20050259755
2005-11-24

Fliterbank modulation system with pre-equalization

#36
20050213671
2005-09-29

Upstream data transmission

#37
20050213670
2005-09-29

Upstream data transmission

#38
17369733
2022-04-12

Transmission device and transmission method

#39
16247845
2020-03-17

Data communications using decision feedback equalization and Tomlinson-Harashima precoding