CN1568592B - 发送装置、接收装置以及射频通信方法 - Google Patents
发送装置、接收装置以及射频通信方法 Download PDFInfo
- Publication number
- CN1568592B CN1568592B CN028200209A CN02820020A CN1568592B CN 1568592 B CN1568592 B CN 1568592B CN 028200209 A CN028200209 A CN 028200209A CN 02820020 A CN02820020 A CN 02820020A CN 1568592 B CN1568592 B CN 1568592B
- Authority
- CN
- China
- Prior art keywords
- signal
- spread spectrum
- modulation
- unit
- ofdm
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7073—Synchronisation aspects
- H04B1/7075—Synchronisation aspects with code phase acquisition
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/711—Interference-related aspects the interference being multi-path interference
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
-
- 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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
- H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/22—Demodulator circuits; Receiver circuits
- H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
-
- 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
-
- 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
- H04L27/2662—Symbol synchronisation
-
- 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
-
- 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
- H04L27/36—Modulator circuits; Transmitter circuits
- H04L27/362—Modulation using more than one carrier, e.g. with quadrature carriers, separately amplitude modulated
- H04L27/364—Arrangements for overcoming imperfections in the modulator, e.g. quadrature error or unbalanced I and Q levels
-
- 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
-
- 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), DMT
-
- 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
- H04L5/0014—Three-dimensional division
- H04L5/0016—Time-frequency-code
-
- 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
- H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
- H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
- H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
- H04B2201/70703—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation using multiple or variable rates
- H04B2201/70705—Rate detection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
- H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
- H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
- H04B2201/70716—Quadrature
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
- H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
- H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
- H04B2201/70728—Frequency aspects
-
- 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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0024—Carrier regulation at the receiver end
- H04L2027/0026—Correction of carrier offset
- H04L2027/0038—Correction of carrier offset using an equaliser
- H04L2027/004—Correction of carrier offset using an equaliser the equaliser providing control signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0044—Control loops for carrier regulation
- H04L2027/0053—Closed loops
- H04L2027/0061—Closed loops remodulation
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Mobile Radio Communication Systems (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
Description
Claims (6)
Applications Claiming Priority (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP244929/01 | 2001-08-10 | ||
JP2001244929 | 2001-08-10 | ||
JP244929/2001 | 2001-08-10 | ||
JP310777/01 | 2001-10-05 | ||
JP310777/2001 | 2001-10-05 | ||
JP2001310777 | 2001-10-05 | ||
JP206150/2002 | 2002-07-15 | ||
JP206150/02 | 2002-07-15 | ||
JP2002206150A JP4119696B2 (ja) | 2001-08-10 | 2002-07-15 | 送信装置、受信装置及び無線通信方法 |
PCT/JP2002/007407 WO2003017547A1 (en) | 2001-08-10 | 2002-07-23 | Transmission device, reception device and radio communication method |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1568592A CN1568592A (zh) | 2005-01-19 |
CN1568592B true CN1568592B (zh) | 2013-07-03 |
Family
ID=27347327
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN028200209A Expired - Fee Related CN1568592B (zh) | 2001-08-10 | 2002-07-23 | 发送装置、接收装置以及射频通信方法 |
Country Status (6)
Country | Link |
---|---|
US (5) | US7724638B2 (zh) |
EP (1) | EP1416657A4 (zh) |
JP (1) | JP4119696B2 (zh) |
KR (2) | KR100892461B1 (zh) |
CN (1) | CN1568592B (zh) |
WO (1) | WO2003017547A1 (zh) |
Families Citing this family (112)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4119696B2 (ja) | 2001-08-10 | 2008-07-16 | 松下電器産業株式会社 | 送信装置、受信装置及び無線通信方法 |
WO2005011167A1 (ja) * | 2003-07-29 | 2005-02-03 | Fujitsu Limited | Ofdmシステムにおけるパイロット多重方法及び送受信装置 |
US7969857B2 (en) * | 2003-08-07 | 2011-06-28 | Nortel Networks Limited | OFDM system and method employing OFDM symbols with known or information-containing prefixes |
KR100651525B1 (ko) * | 2004-06-16 | 2006-11-29 | 삼성전자주식회사 | 직교 주파수 분할 다중 접속 방식을 사용하는 이동 통신시스템의 데이터 송수신 방법 |
JPWO2006022136A1 (ja) * | 2004-08-24 | 2008-05-08 | シャープ株式会社 | データ通信システム、受信装置及び送信装置 |
US7606596B2 (en) * | 2004-12-01 | 2009-10-20 | Adaptix, Inc. | Exploiting multiuser diversity through phase modulation multiplexing |
TWI416894B (zh) | 2005-04-22 | 2013-11-21 | Intel Corp | 混合正交分頻多重存取系統及方法 |
US7715460B2 (en) * | 2005-04-22 | 2010-05-11 | Interdigital Technology Corporation | Hybrid orthogonal frequency division multiple access system and method |
US7865158B2 (en) * | 2005-07-26 | 2011-01-04 | Interdigital Technology Corporation | Method and apparatus for automatically correcting receiver oscillator frequency |
JP2007036893A (ja) * | 2005-07-28 | 2007-02-08 | Kyocera Corp | 無線通信方法、無線端末、プログラム |
US20080137715A1 (en) * | 2005-12-06 | 2008-06-12 | The Chamberlain Group, Inc. | Secure spread spectrum-facilitated remote control signaling method and apparatus |
US20070126552A1 (en) * | 2005-12-06 | 2007-06-07 | The Chamberlain Group, Inc. | Secure spread spectrum-facilitated remote control signaling method and apparatus |
ATE473556T1 (de) * | 2006-02-08 | 2010-07-15 | Ericsson Telefon Ab L M | Generische parallel-spreizung |
JP5037605B2 (ja) * | 2006-04-25 | 2012-10-03 | エルジー エレクトロニクス インコーポレイティド | 無線通信システムでの多重使用者パケットの構成方法及び構造 |
WO2007132675A1 (ja) * | 2006-05-11 | 2007-11-22 | Nec Corporation | 送信装置、通信装置、受信装置、通信システム、放送受信システム、制御プログラム、通信方法、放送受信方法 |
TWI470979B (zh) * | 2006-05-19 | 2015-01-21 | Lg Electronics Inc | 利用及支配無線資源以迅速及有效地進行無線通訊的方法 |
KR100766313B1 (ko) * | 2006-05-30 | 2007-10-11 | 삼성전자주식회사 | 이동통신단말기에서 보안 키의 암호화 장치 및 방법 |
JP4519817B2 (ja) * | 2006-08-22 | 2010-08-04 | 株式会社エヌ・ティ・ティ・ドコモ | 基地局および移動局 |
US8040844B2 (en) * | 2006-11-20 | 2011-10-18 | Telecom Ventures, L.L.C. | Wireless communications apparatus and methods employing opportunistic frequency band use |
KR100835175B1 (ko) | 2006-12-07 | 2008-06-05 | 한국전자통신연구원 | 주파수 선택적 기저대역을 이용하는 디지털 통신 시스템 및그 방법 |
KR100916640B1 (ko) * | 2007-07-26 | 2009-09-08 | 인하대학교 산학협력단 | 무선 통신 기반 송,수신 장치 간 거리 추정 방법 |
US8699319B2 (en) * | 2007-08-13 | 2014-04-15 | Sharp Kabushiki Kaisha | Base station device, reception device, wireless communication system, and wireless communication method |
CN102685057B (zh) * | 2007-09-12 | 2015-06-17 | 夏普株式会社 | 发送装置及方法、ofdm发送装置及方法和无线通信系统 |
EP2192710A1 (en) * | 2007-09-21 | 2010-06-02 | Sharp Kabushiki Kaisha | Transmitting device, receiving device, communication system and transmitting method |
WO2009037989A1 (ja) * | 2007-09-21 | 2009-03-26 | Sharp Kabushiki Kaisha | 無線受信装置及び無線受信方法 |
US20100246553A1 (en) * | 2007-09-21 | 2010-09-30 | Ryota Yamada | Wireless transmission device, wireless communication system and wireless transmission method |
CN101471746B (zh) * | 2007-12-29 | 2012-06-27 | 中国移动通信集团公司 | 宽带无线传输的方法、装置及一种传输系统 |
CN102017482A (zh) | 2008-03-05 | 2011-04-13 | 夏普株式会社 | 通信系统、通信装置及通信方法 |
KR100953564B1 (ko) * | 2008-03-11 | 2010-04-21 | 한국전자통신연구원 | 주파수 선택적 기저대역을 사용하는 변복조 장치 및 이를이용한 송수신 장치 |
WO2009145588A2 (ko) | 2008-05-29 | 2009-12-03 | 한국전자통신연구원 | 방송/통신 데이터 송수신 방법 및 장치 |
KR101294023B1 (ko) * | 2008-05-29 | 2013-08-08 | 한국전자통신연구원 | 방송/통신 데이터 송수신 방법 및 장치 |
AU2010251752B2 (en) * | 2009-05-19 | 2014-11-13 | Advanced Micro Devices, Inc. | Synchronising a communications device |
JP2011003970A (ja) * | 2009-06-16 | 2011-01-06 | Fujitsu Ltd | 受信装置、基地局装置及び同期タイミング検出方法 |
US9071285B2 (en) | 2011-05-26 | 2015-06-30 | Cohere Technologies, Inc. | Modulation and equalization in an orthonormal time-frequency shifting communications system |
US9444514B2 (en) | 2010-05-28 | 2016-09-13 | Cohere Technologies, Inc. | OTFS methods of data channel characterization and uses thereof |
US11943089B2 (en) | 2010-05-28 | 2024-03-26 | Cohere Technologies, Inc. | Modulation and equalization in an orthonormal time-shifting communications system |
US9071286B2 (en) | 2011-05-26 | 2015-06-30 | Cohere Technologies, Inc. | Modulation and equalization in an orthonormal time-frequency shifting communications system |
US9130638B2 (en) | 2011-05-26 | 2015-09-08 | Cohere Technologies, Inc. | Modulation and equalization in an orthonormal time-frequency shifting communications system |
US10667148B1 (en) | 2010-05-28 | 2020-05-26 | Cohere Technologies, Inc. | Methods of operating and implementing wireless communications systems |
US10681568B1 (en) | 2010-05-28 | 2020-06-09 | Cohere Technologies, Inc. | Methods of data channel characterization and uses thereof |
US8976851B2 (en) | 2011-05-26 | 2015-03-10 | Cohere Technologies, Inc. | Modulation and equalization in an orthonormal time-frequency shifting communications system |
JP5601952B2 (ja) * | 2010-09-29 | 2014-10-08 | 株式会社日本自動車部品総合研究所 | 通信システム及び受信装置 |
CN101977172B (zh) * | 2010-10-18 | 2013-02-06 | 北京邮电大学 | 广播定位信号生成方法、定位方法及装置 |
JP5986565B2 (ja) | 2011-06-09 | 2016-09-06 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカPanasonic Intellectual Property Corporation of America | 音声符号化装置、音声復号装置、音声符号化方法及び音声復号方法 |
JP5716600B2 (ja) * | 2011-08-01 | 2015-05-13 | 三菱電機株式会社 | 衛星通信システム及びその送信装置、受信装置 |
US8687808B2 (en) | 2012-04-10 | 2014-04-01 | Comtech Ef Data Corp. | Method and system for self synchronizing cryptographic parameters |
US10090972B2 (en) | 2012-06-25 | 2018-10-02 | Cohere Technologies, Inc. | System and method for two-dimensional equalization in an orthogonal time frequency space communication system |
US10003487B2 (en) | 2013-03-15 | 2018-06-19 | Cohere Technologies, Inc. | Symplectic orthogonal time frequency space modulation system |
US9929783B2 (en) | 2012-06-25 | 2018-03-27 | Cohere Technologies, Inc. | Orthogonal time frequency space modulation system |
US9912507B2 (en) | 2012-06-25 | 2018-03-06 | Cohere Technologies, Inc. | Orthogonal time frequency space communication system compatible with OFDM |
US10469215B2 (en) | 2012-06-25 | 2019-11-05 | Cohere Technologies, Inc. | Orthogonal time frequency space modulation system for the Internet of Things |
US10411843B2 (en) * | 2012-06-25 | 2019-09-10 | Cohere Technologies, Inc. | Orthogonal time frequency space communication system compatible with OFDM |
EP2930871B1 (en) * | 2012-12-07 | 2018-03-07 | Sun Patent Trust | Signal generation method, transmission device, reception method, and reception device |
EP2942917B1 (en) * | 2013-02-13 | 2018-05-23 | Nippon Telegraph and Telephone Corporation | Optical transmission system, phase compensation method, and optical reception device |
JP2015171000A (ja) * | 2014-03-07 | 2015-09-28 | 三菱電機株式会社 | 多重伝送システム及び多重伝送方法 |
KR102208226B1 (ko) * | 2014-03-25 | 2021-01-27 | 한국전자통신연구원 | 송수신 방법 및 장치 |
US10158394B2 (en) | 2015-05-11 | 2018-12-18 | Cohere Technologies, Inc. | Systems and methods for symplectic orthogonal time frequency shifting modulation and transmission of data |
US10090973B2 (en) | 2015-05-11 | 2018-10-02 | Cohere Technologies, Inc. | Multiple access in an orthogonal time frequency space communication system |
FR3036907B1 (fr) * | 2015-05-29 | 2017-07-14 | Sigfox | Procedes d’emission et de reception d’un signal de diffusion comportant un signal pilote et un signal d’information |
US9866363B2 (en) | 2015-06-18 | 2018-01-09 | Cohere Technologies, Inc. | System and method for coordinated management of network access points |
US10574317B2 (en) | 2015-06-18 | 2020-02-25 | Cohere Technologies, Inc. | System and method for providing wireless communication services using configurable broadband infrastructure shared among multiple network operators |
CN112532558A (zh) | 2015-06-27 | 2021-03-19 | 凝聚技术股份有限公司 | 与ofdm兼容的正交时频空间通信系统 |
WO2017011478A1 (en) * | 2015-07-12 | 2017-01-19 | Cohere Technologies, Inc. | Orthogonal time frequency space communication system compatible with ofdm |
US10693581B2 (en) | 2015-07-12 | 2020-06-23 | Cohere Technologies, Inc. | Orthogonal time frequency space modulation over a plurality of narrow band subcarriers |
WO2017044501A1 (en) | 2015-09-07 | 2017-03-16 | Cohere Technologies | Multiple access using orthogonal time frequency space modulation |
CN112134605B (zh) * | 2015-11-13 | 2024-04-09 | 华为技术有限公司 | 数据传输方法和装置 |
CN108781160B (zh) | 2015-11-18 | 2022-04-29 | 凝聚技术公司 | 正交时间频率空间调制技术 |
WO2017100666A1 (en) | 2015-12-09 | 2017-06-15 | Cohere Technologies | Pilot packing using complex orthogonal functions |
KR20180111897A (ko) * | 2016-02-03 | 2018-10-11 | 트렐리스웨어 테크놀러지스, 인코포레이티드 | 이종 링크들을 사용하는 통신을 위한 방법 및 시스템 |
EP3420641A4 (en) | 2016-02-25 | 2019-12-11 | Cohere Technologies, Inc. | REFERENCE SIGNAL PACKAGING FOR WIRELESS COMMUNICATIONS |
US10693692B2 (en) | 2016-03-23 | 2020-06-23 | Cohere Technologies, Inc. | Receiver-side processing of orthogonal time frequency space modulated signals |
WO2017173160A1 (en) | 2016-03-31 | 2017-10-05 | Cohere Technologies | Channel acquisition using orthogonal time frequency space modulated pilot signal |
US9667307B1 (en) | 2016-03-31 | 2017-05-30 | Cohere Technologies | Wireless telecommunications system for high-mobility applications |
KR102250054B1 (ko) | 2016-04-01 | 2021-05-07 | 코히어 테크널러지스, 아이엔씨. | Otfs 통신 시스템에서의 tomlinson-harashima 프리코딩 |
EP3437279B1 (en) | 2016-04-01 | 2021-03-03 | Cohere Technologies, Inc. | Iterative two dimensional equalization of orthogonal time frequency space modulated signals |
MX2018012764A (es) * | 2016-04-27 | 2019-01-10 | Panasonic Ip Corp America | Aparato de transmision y metodo de transmision. |
CA3020075C (en) | 2016-04-27 | 2024-02-27 | Panasonic Intellectual Property Corporation Of America | Transmission apparatus and transmission method |
WO2017201467A1 (en) | 2016-05-20 | 2017-11-23 | Cohere Technologies | Iterative channel estimation and equalization with superimposed reference signals |
WO2018031952A1 (en) | 2016-08-12 | 2018-02-15 | Cohere Technologies | Iterative multi-level equalization and decoding |
WO2018032016A1 (en) | 2016-08-12 | 2018-02-15 | Cohere Technologies | Localized equalization for channels with intercarrier interference |
WO2018031938A1 (en) | 2016-08-12 | 2018-02-15 | Cohere Technologies | Multi-user multiplexing of orthogonal time frequency space signals |
WO2018064587A1 (en) | 2016-09-29 | 2018-04-05 | Cohere Technologies | Transport block segmentation for multi-level codes |
WO2018064605A1 (en) | 2016-09-30 | 2018-04-05 | Cohere Technologies | Uplink user resource allocation for orthogonal time frequency space modulation |
EP3549200B1 (en) | 2016-12-05 | 2022-06-29 | Cohere Technologies, Inc. | Fixed wireless access using orthogonal time frequency space modulation |
EP3566379A4 (en) | 2017-01-09 | 2020-09-09 | Cohere Technologies, Inc. | PILOT ENCRYPTION FOR CHANNEL ESTIMATION |
WO2018140837A1 (en) | 2017-01-27 | 2018-08-02 | Cohere Technologies | Variable beamwidth multiband antenna |
US10568143B2 (en) | 2017-03-28 | 2020-02-18 | Cohere Technologies, Inc. | Windowed sequence for random access method and apparatus |
US11817987B2 (en) | 2017-04-11 | 2023-11-14 | Cohere Technologies, Inc. | Digital communication using dispersed orthogonal time frequency space modulated signals |
US11147087B2 (en) | 2017-04-21 | 2021-10-12 | Cohere Technologies, Inc. | Communication techniques using quasi-static properties of wireless channels |
WO2018200567A1 (en) | 2017-04-24 | 2018-11-01 | Cohere Technologies | Multibeam antenna designs and operation |
WO2018200577A1 (en) | 2017-04-24 | 2018-11-01 | Cohere Technologies | Digital communication using lattice division multiplexing |
KR102612426B1 (ko) | 2017-07-12 | 2023-12-12 | 코히어 테크놀로지스, 아이엔씨. | Zak 변환에 기초한 데이터 변조 기법 |
WO2019032605A1 (en) | 2017-08-11 | 2019-02-14 | Cohere Technologies | RADIATION TRACING TECHNIQUE FOR WIRELESS CHANNEL MEASUREMENTS |
US11324008B2 (en) | 2017-08-14 | 2022-05-03 | Cohere Technologies, Inc. | Transmission resource allocation by splitting physical resource blocks |
WO2019051093A1 (en) | 2017-09-06 | 2019-03-14 | Cohere Technologies | REDUCTION OF TRELLIS IN TIME, FREQUENCY AND ORTHOGONAL SPATIAL MODULATION |
WO2019051427A1 (en) | 2017-09-11 | 2019-03-14 | Cohere Technologies, Inc. | WIRELESS LOCAL NETWORKS USING ORTHOGONAL TIME-FREQUENCY SPACE MODULATION |
CN111095883B (zh) | 2017-09-15 | 2023-04-07 | 凝聚技术公司 | 在正交时频空间信号接收器中实现同步 |
EP3685470A4 (en) | 2017-09-20 | 2021-06-23 | Cohere Technologies, Inc. | LOW COST ELECTROMAGNETIC POWER SUPPLY |
US11152957B2 (en) | 2017-09-29 | 2021-10-19 | Cohere Technologies, Inc. | Forward error correction using non-binary low density parity check codes |
EP4362344A3 (en) | 2017-11-01 | 2024-07-31 | Cohere Technologies, Inc. | Precoding in wireless systems using orthogonal time frequency space multiplexing |
WO2019113046A1 (en) | 2017-12-04 | 2019-06-13 | Cohere Technologies, Inc. | Implementation of orthogonal time frequency space modulation for wireless communications |
JP7216521B2 (ja) * | 2017-12-08 | 2023-02-01 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ | 送信機、受信機、送信方法、及び、受信方法 |
KR102440023B1 (ko) * | 2018-01-18 | 2022-09-06 | 삼성전자주식회사 | 무선 신호 수신 장치 및 그 장치의 제어 방법 |
EP3750252A4 (en) | 2018-02-08 | 2021-08-11 | Cohere Technologies, Inc. | CHANNEL ESTIMATE ASPECTS FOR ORTHOGONAL TIME-FREQUENCY SPATIAL MODULATION FOR WIRELESS COMMUNICATIONS |
EP3763050A4 (en) | 2018-03-08 | 2021-11-24 | Cohere Technologies, Inc. | PLANNING MULTI-USER MIMO TRANSMISSIONS IN FIXED WIRELESS COMMUNICATION SYSTEMS |
US11329848B2 (en) | 2018-06-13 | 2022-05-10 | Cohere Technologies, Inc. | Reciprocal calibration for channel estimation based on second-order statistics |
US11522600B1 (en) | 2018-08-01 | 2022-12-06 | Cohere Technologies, Inc. | Airborne RF-head system |
US12088398B1 (en) | 2020-02-29 | 2024-09-10 | Space Exploration Technologies Corp. | Configurable orthogonal frequency division multiplexing (OFDM) signal and transmitter and receiver for same |
KR20220018358A (ko) * | 2020-08-06 | 2022-02-15 | 삼성전자주식회사 | 주파수 오프셋을 사용하는 비직교 다중 접속 시스템에서 채널 추정 방법 및 장치 |
KR102357837B1 (ko) * | 2020-12-24 | 2022-02-08 | 한국항공우주연구원 | 무선 통신 시스템에서 데이터 변조 및 복조를 수행하기 위한 장치 및 방법 |
US11997363B2 (en) | 2021-04-14 | 2024-05-28 | Charter Communications Operating, Llc | Regenerative active distributed networks |
US11917260B2 (en) * | 2022-03-15 | 2024-02-27 | Charter Communications Operating, Llc | Transparent clock functionality in regenerative taps |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07245574A (ja) | 1994-03-07 | 1995-09-19 | Nippon Hoso Kyokai <Nhk> | ディジタル信号伝送方法 |
JPH09172685A (ja) * | 1995-12-19 | 1997-06-30 | Sony Corp | 無線通信システム及び通信方法並びに移動通信端末装置 |
JPH1022874A (ja) * | 1996-07-09 | 1998-01-23 | Hitachi Ltd | Cdma通信システムおよび通信方法 |
FI102577B1 (fi) * | 1996-09-05 | 1998-12-31 | Nokia Telecommunications Oy | Lähetys- ja vastaanottomenetelmä ja radiojärjestelmä |
JP3190859B2 (ja) | 1997-07-29 | 2001-07-23 | 松下電器産業株式会社 | Cdma無線送信装置及びcdma無線受信装置 |
JPH11145933A (ja) * | 1997-11-12 | 1999-05-28 | Oki Electric Ind Co Ltd | スペクトラム拡散通信方式及び装置 |
US6301237B1 (en) | 1997-12-30 | 2001-10-09 | Matsushita Electric Industrial Co., Ltd. | CDMA radio multiplex transmitting device and a CDMA radio multiplex receiving device |
US6256508B1 (en) * | 1998-02-27 | 2001-07-03 | Mitsubishi Denki Kabushiki Kaisha | Simultaneous broadcasting system, transmitter and receiver therefor |
JP3974712B2 (ja) | 1998-08-31 | 2007-09-12 | 富士通株式会社 | ディジタル放送用送信・受信再生方法及びディジタル放送用送信・受信再生システム並びにディジタル放送用送信装置及びディジタル放送用受信再生装置 |
EP1039661A1 (en) | 1999-03-03 | 2000-09-27 | Sony International (Europe) GmbH | Multicast channel for a CDMA system |
JP3437942B2 (ja) | 1999-05-26 | 2003-08-18 | 岩井機械工業株式会社 | プレート式熱交換機のプレートに対するスケール付着の監視装置 |
JP3573039B2 (ja) | 1999-12-10 | 2004-10-06 | 株式会社日立製作所 | 無線端末位置測定方法およびそれを用いた端末装置、端末位置管理局装置 |
JP3581286B2 (ja) * | 2000-01-19 | 2004-10-27 | 松下電器産業株式会社 | Ofdm送信装置、ofdm受信装置および信号割当方法 |
EP1128592A3 (en) * | 2000-02-23 | 2003-09-17 | NTT DoCoMo, Inc. | Multi-carrier CDMA and channel estimation |
JP3563345B2 (ja) * | 2000-11-17 | 2004-09-08 | 松下電器産業株式会社 | 送信方法及び送信装置 |
US20020191568A1 (en) * | 2001-03-29 | 2002-12-19 | Koninklijke Philips Electronics N.V. | Adaptive chip equalizers for synchronous DS-CDMA systems with pilot sequences |
JP3628977B2 (ja) * | 2001-05-16 | 2005-03-16 | 松下電器産業株式会社 | 無線基地局装置及び通信端末装置 |
JP4119696B2 (ja) | 2001-08-10 | 2008-07-16 | 松下電器産業株式会社 | 送信装置、受信装置及び無線通信方法 |
JP4171261B2 (ja) * | 2001-08-27 | 2008-10-22 | 松下電器産業株式会社 | 無線通信装置及び無線通信方法 |
KR100918730B1 (ko) * | 2003-10-27 | 2009-09-24 | 삼성전자주식회사 | 직교 주파수 분할 다중 방식을 사용하는 통신 시스템에서기지국 구분을 위한 파일럿 패턴 세트 송수신 장치 및 방법 |
KR100856227B1 (ko) * | 2003-12-15 | 2008-09-03 | 삼성전자주식회사 | 이동통신시스템에서의 송/수신장치 및 방법 |
JP4447372B2 (ja) * | 2004-05-13 | 2010-04-07 | 株式会社エヌ・ティ・ティ・ドコモ | 無線通信システム、無線通信装置、無線受信装置、無線通信方法及びチャネル推定方法 |
CN102685057B (zh) * | 2007-09-12 | 2015-06-17 | 夏普株式会社 | 发送装置及方法、ofdm发送装置及方法和无线通信系统 |
US9955361B2 (en) * | 2013-02-26 | 2018-04-24 | Dali Systems Co., Ltd. | Method and system for WI-FI data transmission |
US8750156B1 (en) * | 2013-03-15 | 2014-06-10 | DGS Global Systems, Inc. | Systems, methods, and devices for electronic spectrum management for identifying open space |
JP6481292B2 (ja) * | 2014-09-03 | 2019-03-13 | 株式会社ソシオネクスト | 受信回路及び受信方法 |
-
2002
- 2002-07-15 JP JP2002206150A patent/JP4119696B2/ja not_active Expired - Lifetime
- 2002-07-23 US US10/485,115 patent/US7724638B2/en active Active
- 2002-07-23 KR KR20047002000A patent/KR100892461B1/ko not_active IP Right Cessation
- 2002-07-23 WO PCT/JP2002/007407 patent/WO2003017547A1/ja active Application Filing
- 2002-07-23 CN CN028200209A patent/CN1568592B/zh not_active Expired - Fee Related
- 2002-07-23 EP EP02746136A patent/EP1416657A4/en not_active Withdrawn
- 2002-07-23 KR KR1020087032081A patent/KR100896835B1/ko active IP Right Review Request
-
2010
- 2010-04-26 US US12/767,117 patent/US8284650B2/en not_active Expired - Lifetime
-
2012
- 2012-09-07 US US13/606,327 patent/US8462615B2/en not_active Expired - Lifetime
-
2013
- 2013-05-09 US US13/891,027 patent/US9112595B2/en not_active Expired - Lifetime
-
2015
- 2015-07-07 US US14/792,917 patent/US10128899B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US7724638B2 (en) | 2010-05-25 |
KR20040017858A (ko) | 2004-02-27 |
US10128899B2 (en) | 2018-11-13 |
US8284650B2 (en) | 2012-10-09 |
KR100896835B1 (ko) | 2009-05-12 |
US20130251004A1 (en) | 2013-09-26 |
US20040174812A1 (en) | 2004-09-09 |
KR20090014227A (ko) | 2009-02-06 |
US9112595B2 (en) | 2015-08-18 |
JP2003179573A (ja) | 2003-06-27 |
US8462615B2 (en) | 2013-06-11 |
EP1416657A1 (en) | 2004-05-06 |
CN1568592A (zh) | 2005-01-19 |
US20120328047A1 (en) | 2012-12-27 |
JP4119696B2 (ja) | 2008-07-16 |
EP1416657A4 (en) | 2007-07-04 |
US20100202562A1 (en) | 2010-08-12 |
KR100892461B1 (ko) | 2009-04-10 |
WO2003017547A1 (en) | 2003-02-27 |
US20150365129A1 (en) | 2015-12-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1568592B (zh) | 发送装置、接收装置以及射频通信方法 | |
CN100488184C (zh) | 正交频分复用通信系统和方法 | |
US5504775A (en) | Multi-user spread spectrum communication system | |
US8503485B2 (en) | Method and apparatus for processing primary and secondary synchronization signals for wireless communication | |
CN101601206B (zh) | 用于正交频分复用系统的基于时分复用的小区搜索方法 | |
KR100604732B1 (ko) | 시분할 듀플렉스 통신 시스템에서의 채널 추정 | |
CN100399777C (zh) | Ofdm信号传输系统、发送装置及接收装置 | |
US7957361B2 (en) | Transmitter, transmitting method, receiver, and receiving method for MC-CDMA communication system | |
TW393841B (en) | Method and system for processing a plurality of multiple access transmissions | |
CN1292544C (zh) | 下行链路中的多用户检测确定信道化码的方法和装置 | |
KR100393348B1 (ko) | 부호분할다중접속시스템용네트워크진입채널 | |
CN101375524B (zh) | 用于在高速分组数据系统的前向链路中支持多输入多输出技术的传送/接收设备和方法 | |
CN101099319B (zh) | 频分通信系统 | |
JPH04351130A (ja) | 多元接続方法 | |
CN103326982A (zh) | 移动通信系统,发送设备和传输信号生成方法 | |
CN101150556A (zh) | 正交频分复用传输方法 | |
CN105049168A (zh) | 在通信系统中发送和接收参考信号的方法和装置 | |
CN101695005A (zh) | 单个用户检测 | |
US20130259013A1 (en) | Method and apparatus for processing primary and secondary synchronization signals for wireless communication | |
AU2418502A (en) | Apparatus and method for generating a preamble sequence in a wireless communication system | |
JPH10190626A (ja) | Cdma受信装置 | |
US6853631B1 (en) | Code-division multiplex communication transmitting apparatus and receiving apparatus and method thereof | |
JP2003348046A (ja) | 無線通信システム、通信装置および受信品質測定方法 | |
US8432998B2 (en) | Device for channel estimation in a multiple subcarrier CDMA system using a block of multiple subcarriers by multiple symbols and method thereof | |
KR20080087646A (ko) | 무선 신호 전송 방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: MATSUSHITA ELECTRIC (AMERICA) INTELLECTUAL PROPERT Free format text: FORMER OWNER: MATSUSHITA ELECTRIC INDUSTRIAL CO, LTD. Effective date: 20140716 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20140716 Address after: California, USA Patentee after: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA Address before: Osaka Japan Patentee before: Matsushita Electric Industrial Co.,Ltd. |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20160608 Address after: Delaware Patentee after: INTERDIGITAL PATENT HOLDINGS, Inc. Address before: California, USA Patentee before: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130703 Termination date: 20200723 |
|
CF01 | Termination of patent right due to non-payment of annual fee |