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EP4413768A4 - Compensation d'erreur d'informations d'état de canal - Google Patents

Compensation d'erreur d'informations d'état de canal

Info

Publication number
EP4413768A4
EP4413768A4 EP21960881.7A EP21960881A EP4413768A4 EP 4413768 A4 EP4413768 A4 EP 4413768A4 EP 21960881 A EP21960881 A EP 21960881A EP 4413768 A4 EP4413768 A4 EP 4413768A4
Authority
EP
European Patent Office
Prior art keywords
status information
channel status
error compensation
compensation
error
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
EP21960881.7A
Other languages
German (de)
English (en)
Other versions
EP4413768A1 (fr
Inventor
Wenjian Wang
Xiagang Xu
Fei Gao
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.)
Nokia Technologies Oy
Original Assignee
Nokia Technologies Oy
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 Nokia Technologies Oy filed Critical Nokia Technologies Oy
Publication of EP4413768A1 publication Critical patent/EP4413768A1/fr
Publication of EP4413768A4 publication Critical patent/EP4413768A4/fr
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03821—Inter-carrier interference cancellation [ICI]
    • 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
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H04L27/26134—Pilot insertion in the transmitter chain, e.g. pilot overlapping with data, insertion in time or frequency domain
    • 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
    • H04L27/38—Demodulator circuits; Receiver circuits
    • H04L27/3845—Demodulator circuits; Receiver circuits using non - coherent demodulation, i.e. not using a phase synchronous carrier
    • H04L27/3854—Demodulator circuits; Receiver circuits using non - coherent demodulation, i.e. not using a phase synchronous carrier using a non - coherent carrier, including systems with baseband correction for phase or frequency offset
    • H04L27/3863—Compensation for quadrature error in the received signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
EP21960881.7A 2021-10-19 2021-10-19 Compensation d'erreur d'informations d'état de canal Pending EP4413768A4 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2021/124765 WO2023065122A1 (fr) 2021-10-19 2021-10-19 Compensation d'erreur d'informations d'état de canal

Publications (2)

Publication Number Publication Date
EP4413768A1 EP4413768A1 (fr) 2024-08-14
EP4413768A4 true EP4413768A4 (fr) 2025-07-30

Family

ID=86057867

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21960881.7A Pending EP4413768A4 (fr) 2021-10-19 2021-10-19 Compensation d'erreur d'informations d'état de canal

Country Status (3)

Country Link
EP (1) EP4413768A4 (fr)
CN (1) CN118120278A (fr)
WO (1) WO2023065122A1 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108650199B (zh) * 2018-04-23 2021-01-26 东南大学 无线通信接收端iq不平衡和信道联合估计方法及装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3166705B2 (ja) * 1998-04-16 2001-05-14 松下電器産業株式会社 無線装置及び送信方法
JP6892663B2 (ja) * 2016-02-04 2021-06-23 エアリアル テクノロジーズ インコーポレイテッド 無線通信信号の環境を検知するためのシステムおよび方法
KR20180052003A (ko) * 2016-11-09 2018-05-17 주식회사 에치에프알 Ofdm 시스템에서 단일 탭 등화기를 이용한 부반송파의 왜곡 보상 방법 및 그를 위한 장치

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108650199B (zh) * 2018-04-23 2021-01-26 东南大学 无线通信接收端iq不平衡和信道联合估计方法及装置

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
KUAN-HUNG CHEN ET AL: "A Cognitive Radio System Using Discrete Wavelet Multitone Modulation", IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I: REGULAR PAPERS, IEEE, US, vol. 55, no. 10, 1 November 2008 (2008-11-01), pages 3246 - 3258, XP011333288, ISSN: 1549-8328, DOI: 10.1109/TCSI.2008.924119 *
SCHWEIZER BENEDIKT ET AL: "IQ-Imbalance Compensation for Wideband OFDM-Radar", 2020 14TH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION (EUCAP), EURAAP, 15 March 2020 (2020-03-15), pages 1 - 5, XP033789155, [retrieved on 20200707], DOI: 10.23919/EUCAP48036.2020.9135665 *
See also references of WO2023065122A1 *

Also Published As

Publication number Publication date
WO2023065122A1 (fr) 2023-04-27
CN118120278A (zh) 2024-05-31
EP4413768A1 (fr) 2024-08-14

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