CN1918874A - 带有时域扰频的ofdm收发器结构 - Google Patents
带有时域扰频的ofdm收发器结构 Download PDFInfo
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- CN1918874A CN1918874A CNA2005800050527A CN200580005052A CN1918874A CN 1918874 A CN1918874 A CN 1918874A CN A2005800050527 A CNA2005800050527 A CN A2005800050527A CN 200580005052 A CN200580005052 A CN 200580005052A CN 1918874 A CN1918874 A CN 1918874A
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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
- H04L27/2602—Signal structure
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- 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
- H04L25/03828—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties
- H04L25/03866—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties using scrambling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0006—Assessment of spectral gaps suitable for allocating digitally modulated signals, e.g. for carrier allocation in cognitive radio
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/01—Equalisers
-
- 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
- H04L27/2649—Demodulators
- H04L27/26524—Fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators in combination with other circuits for demodulation
- H04L27/26526—Fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators in combination with other circuits for demodulation with inverse FFT [IFFT] or inverse DFT [IDFT] demodulators, e.g. standard single-carrier frequency-division multiple access [SC-FDMA] receiver or DFT spread orthogonal frequency division multiplexing [DFT-SOFDM]
-
- 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
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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)
- Spectroscopy & Molecular Physics (AREA)
- Power Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (20)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/781,041 | 2004-02-17 | ||
US10/781,041 US7564906B2 (en) | 2004-02-17 | 2004-02-17 | OFDM transceiver structure with time-domain scrambling |
PCT/IB2005/000038 WO2005086446A1 (en) | 2004-02-17 | 2005-01-11 | Ofdm transceiver structure with time-domain scrambling |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1918874A true CN1918874A (zh) | 2007-02-21 |
CN1918874B CN1918874B (zh) | 2010-09-29 |
Family
ID=34838675
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2005800050527A Expired - Fee Related CN1918874B (zh) | 2004-02-17 | 2005-01-11 | 带有时域扰频的ofdm收发器结构 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7564906B2 (zh) |
EP (1) | EP1721433A1 (zh) |
JP (1) | JP2007522781A (zh) |
KR (1) | KR100822362B1 (zh) |
CN (1) | CN1918874B (zh) |
WO (1) | WO2005086446A1 (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101471757B (zh) * | 2007-12-25 | 2013-06-05 | 华为技术有限公司 | 一种接收合并方法、系统和设备 |
CN108293033A (zh) * | 2015-11-10 | 2018-07-17 | 三菱电机株式会社 | 发送装置、通信装置、发送信号生成方法、接收装置及解调方法 |
US10129832B2 (en) | 2014-03-26 | 2018-11-13 | Huawei Technologies Co., Ltd. | Wireless communication control method and wireless network device |
Families Citing this family (56)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9130810B2 (en) | 2000-09-13 | 2015-09-08 | Qualcomm Incorporated | OFDM communications methods and apparatus |
US7295509B2 (en) | 2000-09-13 | 2007-11-13 | Qualcomm, Incorporated | Signaling method in an OFDM multiple access system |
CA2361247C (en) * | 2000-11-06 | 2008-10-07 | Ntt Docomo, Inc. | Transmitter, transmitting method, receiver, and receiving method for mc-cdma communication system |
US7386027B2 (en) * | 2004-03-31 | 2008-06-10 | Matsushita Electric Industrial Co., Ltd. | Methods and apparatus for generating and processing wideband signals having reduced discrete power spectral density components |
KR100663489B1 (ko) * | 2004-04-16 | 2007-01-02 | 삼성전자주식회사 | 직교 분할 다중 접속 시스템에서 셀 검출 방법 및 장치 |
US9148256B2 (en) | 2004-07-21 | 2015-09-29 | Qualcomm Incorporated | Performance based rank prediction for MIMO design |
US9137822B2 (en) | 2004-07-21 | 2015-09-15 | Qualcomm Incorporated | Efficient signaling over access channel |
KR100570839B1 (ko) * | 2004-10-28 | 2006-04-13 | 한국전자통신연구원 | 최소 전송지연을 갖는 직교주파수분할다중(ofdm)전송장치 및 방법 |
KR100635013B1 (ko) * | 2004-12-03 | 2006-10-16 | 한국전자통신연구원 | 다중 셀 환경에서의 동기식 ofdm 수신 장치 및 그방법 |
US9246560B2 (en) | 2005-03-10 | 2016-01-26 | Qualcomm Incorporated | Systems and methods for beamforming and rate control in a multi-input multi-output communication systems |
US9154211B2 (en) | 2005-03-11 | 2015-10-06 | Qualcomm Incorporated | Systems and methods for beamforming feedback in multi antenna communication systems |
US8446892B2 (en) | 2005-03-16 | 2013-05-21 | Qualcomm Incorporated | Channel structures for a quasi-orthogonal multiple-access communication system |
US9143305B2 (en) | 2005-03-17 | 2015-09-22 | Qualcomm Incorporated | Pilot signal transmission for an orthogonal frequency division wireless communication system |
US9461859B2 (en) | 2005-03-17 | 2016-10-04 | Qualcomm Incorporated | Pilot signal transmission for an orthogonal frequency division wireless communication system |
US9520972B2 (en) | 2005-03-17 | 2016-12-13 | Qualcomm Incorporated | Pilot signal transmission for an orthogonal frequency division wireless communication system |
US9184870B2 (en) | 2005-04-01 | 2015-11-10 | Qualcomm Incorporated | Systems and methods for control channel signaling |
US9036538B2 (en) | 2005-04-19 | 2015-05-19 | Qualcomm Incorporated | Frequency hopping design for single carrier FDMA systems |
US9408220B2 (en) | 2005-04-19 | 2016-08-02 | Qualcomm Incorporated | Channel quality reporting for adaptive sectorization |
US8879511B2 (en) | 2005-10-27 | 2014-11-04 | Qualcomm Incorporated | Assignment acknowledgement for a wireless communication system |
US8565194B2 (en) | 2005-10-27 | 2013-10-22 | Qualcomm Incorporated | Puncturing signaling channel for a wireless communication system |
US8611284B2 (en) | 2005-05-31 | 2013-12-17 | Qualcomm Incorporated | Use of supplemental assignments to decrement resources |
US8462859B2 (en) | 2005-06-01 | 2013-06-11 | Qualcomm Incorporated | Sphere decoding apparatus |
US9179319B2 (en) | 2005-06-16 | 2015-11-03 | Qualcomm Incorporated | Adaptive sectorization in cellular systems |
US8599945B2 (en) | 2005-06-16 | 2013-12-03 | Qualcomm Incorporated | Robust rank prediction for a MIMO system |
US8670493B2 (en) | 2005-06-22 | 2014-03-11 | Eices Research, Inc. | Systems and/or methods of increased privacy wireless communications |
US8885628B2 (en) | 2005-08-08 | 2014-11-11 | Qualcomm Incorporated | Code division multiplexing in a single-carrier frequency division multiple access system |
US9209956B2 (en) | 2005-08-22 | 2015-12-08 | Qualcomm Incorporated | Segment sensitive scheduling |
US20070041457A1 (en) | 2005-08-22 | 2007-02-22 | Tamer Kadous | Method and apparatus for providing antenna diversity in a wireless communication system |
US8644292B2 (en) | 2005-08-24 | 2014-02-04 | Qualcomm Incorporated | Varied transmission time intervals for wireless communication system |
US9136974B2 (en) | 2005-08-30 | 2015-09-15 | Qualcomm Incorporated | Precoding and SDMA support |
US7974330B2 (en) * | 2005-09-28 | 2011-07-05 | Kddi Corporation | Multi-carrier code dividing multiplex transfer system and method, and receiving device |
WO2007037091A1 (ja) * | 2005-09-28 | 2007-04-05 | Matsushita Electric Industrial Co., Ltd. | マルチキャリア通信装置およびマルチキャリア通信方法 |
US20070091786A1 (en) * | 2005-10-21 | 2007-04-26 | Shupeng Li | Transmitting data from a mobile station on an uplink in a spread spectrum cellular system |
US9172453B2 (en) | 2005-10-27 | 2015-10-27 | Qualcomm Incorporated | Method and apparatus for pre-coding frequency division duplexing system |
US9088384B2 (en) | 2005-10-27 | 2015-07-21 | Qualcomm Incorporated | Pilot symbol transmission in wireless communication systems |
US9210651B2 (en) | 2005-10-27 | 2015-12-08 | Qualcomm Incorporated | Method and apparatus for bootstraping information in a communication system |
US8045512B2 (en) | 2005-10-27 | 2011-10-25 | Qualcomm Incorporated | Scalable frequency band operation in wireless communication systems |
US9225488B2 (en) | 2005-10-27 | 2015-12-29 | Qualcomm Incorporated | Shared signaling channel |
US8582509B2 (en) | 2005-10-27 | 2013-11-12 | Qualcomm Incorporated | Scalable frequency band operation in wireless communication systems |
US8693405B2 (en) | 2005-10-27 | 2014-04-08 | Qualcomm Incorporated | SDMA resource management |
US8477684B2 (en) | 2005-10-27 | 2013-07-02 | Qualcomm Incorporated | Acknowledgement of control messages in a wireless communication system |
US9225416B2 (en) * | 2005-10-27 | 2015-12-29 | Qualcomm Incorporated | Varied signaling channels for a reverse link in a wireless communication system |
US9144060B2 (en) | 2005-10-27 | 2015-09-22 | Qualcomm Incorporated | Resource allocation for shared signaling channels |
US8582548B2 (en) | 2005-11-18 | 2013-11-12 | Qualcomm Incorporated | Frequency division multiple access schemes for wireless communication |
US8831607B2 (en) | 2006-01-05 | 2014-09-09 | Qualcomm Incorporated | Reverse link other sector communication |
CN101064703A (zh) * | 2006-04-25 | 2007-10-31 | 北京三星通信技术研究有限公司 | Ofdm接入基站中基站发射信号的正交化方法及系统 |
US20100027608A1 (en) * | 2006-09-29 | 2010-02-04 | Paolo Priotti | Scrambled multicarrier transmission |
CN100502380C (zh) * | 2006-10-20 | 2009-06-17 | 北京泰美世纪科技有限公司 | 多载波数字移动多媒体广播系统及其数字信息传输方法 |
CN100493063C (zh) * | 2006-10-20 | 2009-05-27 | 北京泰美世纪科技有限公司 | 一种带限发射机标识序列生成及检测系统和方法 |
CN101170532B (zh) * | 2006-10-23 | 2010-09-29 | 华为技术有限公司 | 正交频分复用系统中反向信号收发方法及设备 |
US20080225985A1 (en) * | 2007-03-13 | 2008-09-18 | Wu Shiquan Robert | Method and Apparatus for Enhancing GSM System Capacity |
KR100970003B1 (ko) | 2007-05-02 | 2010-07-16 | 한국전자통신연구원 | 신호 송신 방법 및 장치 |
KR101579860B1 (ko) * | 2009-01-22 | 2015-12-24 | 삼성전자주식회사 | 무선 통신 시스템의 메시지 전송 방법 |
CN102655420B (zh) * | 2011-03-02 | 2014-11-05 | 中兴通讯股份有限公司 | 一种实现多径搜索的分段频域方法及装置 |
US8700406B2 (en) * | 2011-05-23 | 2014-04-15 | Qualcomm Incorporated | Preserving audio data collection privacy in mobile devices |
CN113114605B (zh) * | 2021-03-11 | 2022-04-22 | 中国电子科技集团公司第五十四研究所 | 一种信号处理方法、装置及系统 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1130840A3 (en) | 2000-02-29 | 2003-11-19 | Kabushiki Kaisha Toshiba | Spread-spectrum multicarrier modulation for cellular communication |
JP2002064461A (ja) * | 2000-08-18 | 2002-02-28 | Mitsubishi Electric Corp | 通信装置および通信方法 |
US6438367B1 (en) * | 2000-11-09 | 2002-08-20 | Magis Networks, Inc. | Transmission security for wireless communications |
US7184714B1 (en) * | 2003-11-04 | 2007-02-27 | Advanced Micro Devices, Inc. | Frequency domain estimation of IQ imbalance in a wireless OFDM direct conversion receiver using loopback connection |
-
2004
- 2004-02-17 US US10/781,041 patent/US7564906B2/en not_active Expired - Fee Related
-
2005
- 2005-01-11 KR KR1020067016475A patent/KR100822362B1/ko not_active IP Right Cessation
- 2005-01-11 EP EP05702209A patent/EP1721433A1/en not_active Withdrawn
- 2005-01-11 CN CN2005800050527A patent/CN1918874B/zh not_active Expired - Fee Related
- 2005-01-11 JP JP2006553696A patent/JP2007522781A/ja active Pending
- 2005-01-11 WO PCT/IB2005/000038 patent/WO2005086446A1/en not_active Application Discontinuation
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101471757B (zh) * | 2007-12-25 | 2013-06-05 | 华为技术有限公司 | 一种接收合并方法、系统和设备 |
US10129832B2 (en) | 2014-03-26 | 2018-11-13 | Huawei Technologies Co., Ltd. | Wireless communication control method and wireless network device |
CN108293033A (zh) * | 2015-11-10 | 2018-07-17 | 三菱电机株式会社 | 发送装置、通信装置、发送信号生成方法、接收装置及解调方法 |
CN108293033B (zh) * | 2015-11-10 | 2021-04-20 | 三菱电机株式会社 | 发送装置、通信装置、发送信号生成方法、接收装置及解调方法 |
Also Published As
Publication number | Publication date |
---|---|
US20050180311A1 (en) | 2005-08-18 |
EP1721433A1 (en) | 2006-11-15 |
KR20060121969A (ko) | 2006-11-29 |
KR100822362B1 (ko) | 2008-04-17 |
US7564906B2 (en) | 2009-07-21 |
WO2005086446A1 (en) | 2005-09-15 |
JP2007522781A (ja) | 2007-08-09 |
CN1918874B (zh) | 2010-09-29 |
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Owner name: NOKIA SIEMENS NETWORKS Free format text: FORMER OWNER: NOKIA NETWORKS OY Effective date: 20080328 |
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Owner name: NOKIA SIEMENS NETWORKS OY Free format text: FORMER NAME: NOKIA CORP. |
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Address after: Espoo, Finland Patentee after: Nokia Siemens Networks OY Address before: Espoo, Finland Patentee before: Nokia Corp. |
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