CN100397889C - 能改善发送效率的正交频分复用发送机及其信号处理方法 - Google Patents
能改善发送效率的正交频分复用发送机及其信号处理方法 Download PDFInfo
- Publication number
- CN100397889C CN100397889C CNB02147978XA CN02147978A CN100397889C CN 100397889 C CN100397889 C CN 100397889C CN B02147978X A CNB02147978X A CN B02147978XA CN 02147978 A CN02147978 A CN 02147978A CN 100397889 C CN100397889 C CN 100397889C
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- China
- Prior art keywords
- signal
- unit
- ofdm
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- coded data
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- 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.)
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-
- 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
- H04L27/2634—Inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators in combination with other circuits for modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0007—Code type
- H04J13/0022—PN, e.g. Kronecker
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0041—Arrangements at the transmitter end
- H04L1/0042—Encoding specially adapted to other signal generation operation, e.g. in order to reduce transmit distortions, jitter, or to improve signal shape
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Radio Relay Systems (AREA)
- Transmitters (AREA)
Abstract
Description
Claims (2)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR30394/02 | 2002-05-30 | ||
KR1020020030394A KR100859866B1 (ko) | 2002-05-30 | 2002-05-30 | 디지털 방송신호의 전송효율을 향상시킬 수 있는오에프디엠송신기 및 그의 신호처리방법 |
KR30394/2002 | 2002-05-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1463149A CN1463149A (zh) | 2003-12-24 |
CN100397889C true CN100397889C (zh) | 2008-06-25 |
Family
ID=29774917
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB02147978XA Expired - Fee Related CN100397889C (zh) | 2002-05-30 | 2002-10-30 | 能改善发送效率的正交频分复用发送机及其信号处理方法 |
CN02147957A Pending CN1463152A (zh) | 2002-05-30 | 2002-10-31 | 带逐行倒相信号抑制滤波的时域同步正交频分复用发送机 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN02147957A Pending CN1463152A (zh) | 2002-05-30 | 2002-10-31 | 带逐行倒相信号抑制滤波的时域同步正交频分复用发送机 |
Country Status (2)
Country | Link |
---|---|
KR (1) | KR100859866B1 (zh) |
CN (2) | CN100397889C (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101764775A (zh) * | 2008-12-23 | 2010-06-30 | 三星电子株式会社 | Ofdm同步导频发送方法及系统 |
CN112671484B (zh) * | 2019-10-15 | 2022-06-21 | 广东振子电子科技有限公司 | 一种基于5gnr网络同步的实时频谱符号滤波干扰检测方法及系统 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5682376A (en) * | 1994-12-20 | 1997-10-28 | Matsushita Electric Industrial Co., Ltd. | Method of transmitting orthogonal frequency division multiplex signal, and transmitter and receiver employed therefor |
CN1212571A (zh) * | 1998-07-31 | 1999-03-31 | 国家科学技术委员会高技术研究发展中心 | 高清晰度电视广播信道的频谱配置 |
CN1283019A (zh) * | 1999-07-29 | 2001-02-07 | 松下电器产业株式会社 | 正交频分复用通信装置 |
JP2001285236A (ja) * | 2000-03-31 | 2001-10-12 | Nippon Telegr & Teleph Corp <Ntt> | マルチキャリア変調方式用送信回路 |
CN1317903A (zh) * | 2001-04-27 | 2001-10-17 | 清华大学 | 时域同步正交频分复用调制方法 |
US20020001350A1 (en) * | 2000-04-12 | 2002-01-03 | Yiyan Wu | Method and system for broadcasting a digital data signal within an analog TV signal using orthogonal frequency division multiplexing |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100266601B1 (ko) * | 1998-01-19 | 2000-09-15 | 구자홍 | 디지털 티브이 시스템의 채널 간섭 제거 방법 및 장치 |
JP2955285B1 (ja) * | 1998-09-30 | 1999-10-04 | 松下電器産業株式会社 | デジタルオーディオ受信機 |
EP1021019A1 (en) * | 1999-01-15 | 2000-07-19 | Sony International (Europe) GmbH | Quasi-differential modulation/demodulation method for multi-amplitude digital modulated signals and OFDM system |
-
2002
- 2002-05-30 KR KR1020020030394A patent/KR100859866B1/ko not_active IP Right Cessation
- 2002-10-30 CN CNB02147978XA patent/CN100397889C/zh not_active Expired - Fee Related
- 2002-10-31 CN CN02147957A patent/CN1463152A/zh active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5682376A (en) * | 1994-12-20 | 1997-10-28 | Matsushita Electric Industrial Co., Ltd. | Method of transmitting orthogonal frequency division multiplex signal, and transmitter and receiver employed therefor |
CN1212571A (zh) * | 1998-07-31 | 1999-03-31 | 国家科学技术委员会高技术研究发展中心 | 高清晰度电视广播信道的频谱配置 |
CN1283019A (zh) * | 1999-07-29 | 2001-02-07 | 松下电器产业株式会社 | 正交频分复用通信装置 |
JP2001285236A (ja) * | 2000-03-31 | 2001-10-12 | Nippon Telegr & Teleph Corp <Ntt> | マルチキャリア変調方式用送信回路 |
US20020001350A1 (en) * | 2000-04-12 | 2002-01-03 | Yiyan Wu | Method and system for broadcasting a digital data signal within an analog TV signal using orthogonal frequency division multiplexing |
CN1317903A (zh) * | 2001-04-27 | 2001-10-17 | 清华大学 | 时域同步正交频分复用调制方法 |
Also Published As
Publication number | Publication date |
---|---|
CN1463152A (zh) | 2003-12-24 |
KR100859866B1 (ko) | 2008-09-24 |
KR20030092659A (ko) | 2003-12-06 |
CN1463149A (zh) | 2003-12-24 |
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Correction item: Application Date Correct: 20021031 False: 20021030 Number: 26 Page: 1403 Volume: 24 |
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Granted publication date: 20080625 Termination date: 20171031 |