ATE424079T1 - Mehrträgerübertragung mit kanalschätzung - Google Patents

Mehrträgerübertragung mit kanalschätzung

Info

Publication number
ATE424079T1
ATE424079T1 AT03028180T AT03028180T ATE424079T1 AT E424079 T1 ATE424079 T1 AT E424079T1 AT 03028180 T AT03028180 T AT 03028180T AT 03028180 T AT03028180 T AT 03028180T AT E424079 T1 ATE424079 T1 AT E424079T1
Authority
AT
Austria
Prior art keywords
channel
amplitude
phase
multipath fading
fading channel
Prior art date
Application number
AT03028180T
Other languages
English (en)
Inventor
Jeong-Woo Jwa
Original Assignee
Kt Freetel Co Ltd
Jeong-Woo Jwa
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 Kt Freetel Co Ltd, Jeong-Woo Jwa filed Critical Kt Freetel Co Ltd
Application granted granted Critical
Publication of ATE424079T1 publication Critical patent/ATE424079T1/de

Links

Classifications

    • 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
    • H04L27/2697—Multicarrier modulation systems in combination with other modulation techniques
    • H04L27/2698—Multicarrier modulation systems in combination with other modulation techniques double density OFDM/OQAM system, e.g. OFDM/OQAM-IOTA system
    • 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
    • H04L27/2626—Arrangements specific to the transmitter only
    • H04L27/2627—Modulators
    • H04L27/2628—Inverse Fourier transform modulators, e.g. inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators
    • H04L27/263—Inverse Fourier transform modulators, e.g. inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators modification of IFFT/IDFT modulator for performance improvement
    • 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
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2649—Demodulators
    • H04L27/265—Fourier transform demodulators, e.g. fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators
    • H04L27/2651—Modification of fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators for performance improvement
    • 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
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2666—Acquisition of further OFDM parameters, e.g. bandwidth, subcarrier spacing, or guard interval length
    • 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
    • H04L2025/03592—Adaptation methods
    • H04L2025/03598—Algorithms
    • H04L2025/03611—Iterative algorithms
    • H04L2025/03617—Time recursive algorithms
    • H04L2025/03624—Zero-forcing
AT03028180T 2003-03-27 2003-12-08 Mehrträgerübertragung mit kanalschätzung ATE424079T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20030019201 2003-03-27
KR1020030028227A KR100542114B1 (ko) 2003-03-27 2003-05-02 직교 주파수 분할 다중화 기반의 무선 통신 시스템 및 그 채널 보상 방법

Publications (1)

Publication Number Publication Date
ATE424079T1 true ATE424079T1 (de) 2009-03-15

Family

ID=37368937

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03028180T ATE424079T1 (de) 2003-03-27 2003-12-08 Mehrträgerübertragung mit kanalschätzung

Country Status (3)

Country Link
KR (1) KR100542114B1 (de)
AT (1) ATE424079T1 (de)
DE (1) DE60326319D1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7609609B2 (en) * 2004-11-16 2009-10-27 Samsung Electronics Co., Ltd. Apparatus and method for processing digital signal in an OFDMA wireless communication system
KR101003087B1 (ko) * 2005-06-17 2010-12-21 삼성전자주식회사 이동통신 시스템에서 방송 데이터의 송수신 장치 및 방법
AU2006258372A1 (en) 2005-06-17 2006-12-21 Samsung Electronics Co., Ltd. Apparatus and method for transmitting/receiving broadcast data in a mobile communication system
CN101001136A (zh) * 2006-01-13 2007-07-18 北京三星通信技术研究有限公司 循环移位的子载波映射的设备和方法
KR100966942B1 (ko) 2006-01-24 2010-06-30 닛본 덴끼 가부시끼가이샤 전송로 추정 장치 및 등화 장치 및 무선 시스템
KR100781991B1 (ko) * 2006-04-25 2007-12-06 한국전자통신연구원 다중 캐리어 기반의 이동 통신 시스템 및 그의 채널 추정방법

Also Published As

Publication number Publication date
KR100542114B1 (ko) 2006-01-10
DE60326319D1 (de) 2009-04-09
KR20040086038A (ko) 2004-10-08

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