ClassID:

225870

H04L25/4927 - 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 using multilevel codes using levels matched to the quantisation levels of the channel

Recent Application in this class:
#1
20250158661
2025-05-15

CONTROLLING A RECONFIGURABLE INTELLIGENT SURFACE

#2
20240007917
2024-01-04

DYNAMIC QUANTIZATION OF ARTIFICIAL INTELLIGENCE OR MACHINE LEARNING MODELS IN A RADIO ACCESS NETWORK

#3
20230261914
2023-08-17

Method and device for quantizing data representative of a radio signal received by a radio antenna of a mobile network

#4
20220376954
2022-11-24

Transmission/reception method in 1-bit quantization system, and device therefor

#5
20220376749
2022-11-24

Compression and decompression of downlink channel estimates

#6
20220149905
2022-05-12

Method and system for processing uplink signal in cloud radio access networks

#7
20220149904
2022-05-12

Compression and decompression of downlink channel estimates

#8
20220045885
2022-02-10

Serial-link receiver using time-interleaved discrete time gain

#9
20210288847
2021-09-16

Data sending method and apparatus

#10
20210058278
2021-02-25

Serial-link receiver using time-interleaved discrete time gain

#11
20200313692
2020-10-01

Methods, decoder and encoder for handling a data stream for transmission between a remote unit and a base unit of a base station system

#12
20200119957
2020-04-16

Pulse amplitude modulation level optimization and equalization in optical systems

#13
20190280908
2019-09-12

NETWORK DEVICE AND A BASEBAND UNIT FOR A TELECOMMUNICATION SYSTEM

#14
20190215077
2019-07-11

Probabilistically shaped multi-level pulse modulation with gray code mapping

#15
20180317007
2018-11-01

Controlling noise transfer function of signal path to reduce charge pump noise

#16
20180316525
2018-11-01

Controlling noise transfer function of signal path to reduce charge pump noise

#17
20180270013
2018-09-20

Transmitter for transmitting a data transmission signal and receiver for receiving the data transmission signal each of which can switch between coding and/or modulating schemes in dependency of an additional information signal

#18
20180191537
2018-07-05

DPD system

#19
20170295045
2017-10-12

Embedded clock in communication system

#20
20170195148
2017-07-06

Embedded clock in communication system

#21
20170093602
2017-03-30

Transmitting device for high speed communication, interface circuit and system including the same

#22
20160301550
2016-10-13

TRANSMITTING DEVICE FOR HIGH SPEED COMMUNICATION, INTERFACE CIRCUIT AND SYSTEM INCLUDING THE SAME

#23
20160301480
2016-10-13

Signal decision circuit, optical receiver, and signal decision method

#24
20160142071
2016-05-19

Receiver, transmitter, method for determining a value encoded in a PWM signal, and method for transmitting a value encoded in a PWM signal

#25
20160043885
2016-02-11

Multi-level signaling

#26
20160013958
2016-01-14

Data link power reduction technique using bipolar pulse amplitude modulation

#27
20150199976
2015-07-16

Method and apparatus for combining digital signals

#28
20150124841
2015-05-07

Adaptive offset synchronization of data based on ring buffers

#29
20140307825
2014-10-16

Digital polar modulator for a switch mode RF power amplifier

#30
20140119478
2014-05-01

Packet-loss concealment for a degraded frame using replacement data from a non-degraded frame

#31
20130315225
2013-11-28

Method and apparatus for compressing and transmitting ultra high speed data

#32
20130235948
2013-09-12

Multi-level signaling

#33
20120051465
2012-03-01

Method and apparatus for decoding coded data streams

#34
20110316726
2011-12-29

Low power multi-level signaling

#35
20090238300
2009-09-24

Multi-level signaling for low power, short channel applications

#36
20090225868
2009-09-10

Method of processing a signal and apparatus for processing a signal

#37
20090141799
2009-06-04

Method of processing a signal and apparatus for processing a signal

#38
20090041113
2009-02-12

Method for processing a signal and apparatus for processing a signal

#39
20080049867
2008-02-28

Precoding for a non-linear codec

#40
20070036124
2007-02-15

Method and apparatus for compressing and transmitting ultra high speed data

#41
20060083318
2006-04-20

Method for selecting the data rate for PCM upstream transmission

#42
20060045173
2006-03-02

Method and apparatus for improving upstream pulse code modulation connect rates of an analog modem

#43
20050232132
2005-10-20

Parallel pulse code modulation system and method

#44
20050213671
2005-09-29

Upstream data transmission

#45
20050213670
2005-09-29

Upstream data transmission

#46
20050141650
2005-06-30

Deterministic distortion insensitive adaptive receiver using decision updating

#47
20050078597
2005-04-14

Methods and systems for digital data transmission

#48
20050058215
2005-03-17

Decoding upstream V.92-encoded signals

#49
17645341
2023-05-09

Determining sampling thresholds of SERDES receivers

#50
17534698
2023-07-18

Digital filter

#51
15669434
2019-01-08

Noise mitigating quantizer for reducing nonlinear distortion in digital signal transmission