EP4367852A4 - Réduction de la distorsion de signal - Google Patents

Réduction de la distorsion de signal

Info

Publication number
EP4367852A4
EP4367852A4 EP21948597.6A EP21948597A EP4367852A4 EP 4367852 A4 EP4367852 A4 EP 4367852A4 EP 21948597 A EP21948597 A EP 21948597A EP 4367852 A4 EP4367852 A4 EP 4367852A4
Authority
EP
European Patent Office
Prior art keywords
signal distortion
reducing signal
reducing
distortion
signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP21948597.6A
Other languages
German (de)
English (en)
Other versions
EP4367852A1 (fr
Inventor
Sairamesh Nammi
Bo Göransson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of EP4367852A1 publication Critical patent/EP4367852A1/fr
Publication of EP4367852A4 publication Critical patent/EP4367852A4/fr
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2614—Peak power aspects
    • H04L27/2623—Reduction thereof by clipping
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
EP21948597.6A 2021-06-29 2021-06-29 Réduction de la distorsion de signal Pending EP4367852A4 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE2021/050643 WO2023277739A1 (fr) 2021-06-29 2021-06-29 Réduction de la distorsion de signal

Publications (2)

Publication Number Publication Date
EP4367852A1 EP4367852A1 (fr) 2024-05-15
EP4367852A4 true EP4367852A4 (fr) 2025-05-14

Family

ID=84690542

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21948597.6A Pending EP4367852A4 (fr) 2021-06-29 2021-06-29 Réduction de la distorsion de signal

Country Status (2)

Country Link
EP (1) EP4367852A4 (fr)
WO (1) WO2023277739A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4622127A1 (fr) 2024-03-18 2025-09-24 Nokia Solutions and Networks Oy Appareils et procédés de compensation de distorsions d'émetteur

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018049674A1 (fr) * 2016-09-19 2018-03-22 华为技术有限公司 Procédé de traitement de signal et dispositif de traitement de signal
EP3598708A1 (fr) * 2017-04-21 2020-01-22 Huawei Technologies Co., Ltd. Procédé de commande de qualité de signal et station de base

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9819526B2 (en) * 2015-11-05 2017-11-14 Huawei Technologies Co., Ltd. Apparatus and methods for low PAPR transmission in MIMO systems

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018049674A1 (fr) * 2016-09-19 2018-03-22 华为技术有限公司 Procédé de traitement de signal et dispositif de traitement de signal
EP3598708A1 (fr) * 2017-04-21 2020-01-22 Huawei Technologies Co., Ltd. Procédé de commande de qualité de signal et station de base

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2023277739A1 *

Also Published As

Publication number Publication date
WO2023277739A1 (fr) 2023-01-05
EP4367852A1 (fr) 2024-05-15

Similar Documents

Publication Publication Date Title
EP4338296A4 (fr) Suppression de bruit de signal
EP4367852A4 (fr) Réduction de la distorsion de signal
CN309796426S (en) Loudspeaker
CN309813901S (en) Speaker
AU2021401332A9 (en) Signal
EM150096920001S (fr) Haut-parleurs
EM150469880001S (fr) Haut-parleurs
EM150469880002S (fr) Haut-parleurs
EM150455170001S (fr) Haut-parleurs
EM90573590001S (fr) Enceintes acoustiques
EM88247340001S (fr) Haut-parleurs
EM88192960002S (fr) Haut-parleurs
EM88192960001S (fr) Haut-parleurs
EM87817360001S (fr) Haut-parleurs
EM87782520001S (fr) Haut-parleurs
EM87470260001S (fr) Haut-parleurs
EM87433480001S (fr) Haut-parleurs
EM87350700001S (fr) Haut-parleurs
EM87349410001S (fr) Haut-parleurs
EM87278120003S (fr) Haut-parleurs
EM87278120008S (fr) Haut-parleurs
EM87278120007S (fr) Haut-parleurs
EM87278120006S (fr) Haut-parleurs
EM87278120004S (fr) Haut-parleurs
EM87278120002S (fr) Haut-parleurs

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20240112

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20250415

RIC1 Information provided on ipc code assigned before grant

Ipc: H04L 27/36 20060101ALI20250409BHEP

Ipc: H04L 27/34 20060101ALI20250409BHEP

Ipc: H04B 7/0456 20170101ALI20250409BHEP

Ipc: H04B 1/62 20060101ALI20250409BHEP

Ipc: H04L 27/26 20060101AFI20250409BHEP