EP3172838A4 - Otfs methods of data channel characterization and uses thereof - Google Patents

Otfs methods of data channel characterization and uses thereof Download PDF

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Publication number
EP3172838A4
EP3172838A4 EP15824664.5A EP15824664A EP3172838A4 EP 3172838 A4 EP3172838 A4 EP 3172838A4 EP 15824664 A EP15824664 A EP 15824664A EP 3172838 A4 EP3172838 A4 EP 3172838A4
Authority
EP
European Patent Office
Prior art keywords
data channel
channel characterization
otfs methods
otfs
methods
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.)
Ceased
Application number
EP15824664.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3172838A1 (en
Inventor
Ronny Hadani
Shlomo Selim Rakib
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.)
Cohere Technologies Inc
Original Assignee
Cohere Technologies Inc
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
Priority claimed from US14/583,911 external-priority patent/US9444514B2/en
Application filed by Cohere Technologies Inc filed Critical Cohere Technologies Inc
Priority to EP22212797.9A priority Critical patent/EP4203310A1/en
Publication of EP3172838A1 publication Critical patent/EP3172838A1/en
Publication of EP3172838A4 publication Critical patent/EP3172838A4/en
Ceased legal-status Critical Current

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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
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/10—Polarisation diversity; Directional diversity
    • 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
    • H04L25/0202—Channel estimation
    • 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
    • H04L25/0202—Channel estimation
    • H04L25/0204—Channel estimation of multiple channels
    • 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
    • H04L25/0202—Channel estimation
    • H04L25/0222—Estimation of channel variability, e.g. coherence bandwidth, coherence time, fading frequency
    • 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
    • H04L25/03159—Arrangements for removing intersymbol interference operating in the frequency domain
    • 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
    • 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
    • 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
    • H04L27/2639—Modulators using other transforms, e.g. discrete cosine transforms, Orthogonal Time Frequency and Space [OTFS] or hermetic transforms
    • 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
    • H04L27/2646—Arrangements specific to the transmitter only using feedback from receiver for adjusting OFDM transmission parameters, e.g. transmission timing or guard interval length
    • 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
    • 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
    • H04L27/26532—Demodulators using other transforms, e.g. discrete cosine transforms, Orthogonal Time Frequency and Space [OTFS] or hermetic transforms
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
EP15824664.5A 2014-07-21 2015-07-21 Otfs methods of data channel characterization and uses thereof Ceased EP3172838A4 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP22212797.9A EP4203310A1 (en) 2014-07-21 2015-07-21 Otfs methods of data channel characterization and uses thereof

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201462027231P 2014-07-21 2014-07-21
US14/583,911 US9444514B2 (en) 2010-05-28 2014-12-29 OTFS methods of data channel characterization and uses thereof
PCT/US2015/041420 WO2016014598A1 (en) 2014-07-21 2015-07-21 Otfs methods of data channel characterization and uses thereof

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP22212797.9A Division EP4203310A1 (en) 2014-07-21 2015-07-21 Otfs methods of data channel characterization and uses thereof

Publications (2)

Publication Number Publication Date
EP3172838A1 EP3172838A1 (en) 2017-05-31
EP3172838A4 true EP3172838A4 (en) 2018-04-18

Family

ID=55163660

Family Applications (3)

Application Number Title Priority Date Filing Date
EP15824664.5A Ceased EP3172838A4 (en) 2014-07-21 2015-07-21 Otfs methods of data channel characterization and uses thereof
EP22212797.9A Pending EP4203310A1 (en) 2014-07-21 2015-07-21 Otfs methods of data channel characterization and uses thereof
EP15825399.7A Pending EP3178164A4 (en) 2014-07-21 2015-07-21 Methods of operating and implementing wireless otfs communciations systems

Family Applications After (2)

Application Number Title Priority Date Filing Date
EP22212797.9A Pending EP4203310A1 (en) 2014-07-21 2015-07-21 Otfs methods of data channel characterization and uses thereof
EP15825399.7A Pending EP3178164A4 (en) 2014-07-21 2015-07-21 Methods of operating and implementing wireless otfs communciations systems

Country Status (7)

Country Link
EP (3) EP3172838A4 (zh)
JP (5) JP6803828B2 (zh)
KR (3) KR102596363B1 (zh)
CN (2) CN106716825B (zh)
AU (2) AU2015292777B2 (zh)
CA (2) CA2955827C (zh)
WO (2) WO2016014596A1 (zh)

Families Citing this family (79)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9071285B2 (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
US11943089B2 (en) 2010-05-28 2024-03-26 Cohere Technologies, Inc. Modulation and equalization in an orthonormal time-shifting communications system
US8976851B2 (en) 2011-05-26 2015-03-10 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
US9071286B2 (en) 2011-05-26 2015-06-30 Cohere Technologies, Inc. Modulation and equalization in an orthonormal time-frequency shifting communications system
US10681568B1 (en) 2010-05-28 2020-06-09 Cohere Technologies, Inc. Methods of data channel characterization and uses thereof
US9444514B2 (en) 2010-05-28 2016-09-13 Cohere Technologies, Inc. OTFS methods of data channel characterization and uses thereof
US9031141B2 (en) 2011-05-26 2015-05-12 Cohere Technologies, Inc. Modulation and equalization in an orthonormal time-frequency shifting communications system
US9967758B2 (en) 2012-06-25 2018-05-08 Cohere Technologies, Inc. Multiple access in an orthogonal time frequency space communication system
US10411843B2 (en) 2012-06-25 2019-09-10 Cohere Technologies, Inc. Orthogonal time frequency space communication system compatible with OFDM
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
US10469215B2 (en) 2012-06-25 2019-11-05 Cohere Technologies, Inc. Orthogonal time frequency space modulation system for the Internet of Things
US9912507B2 (en) 2012-06-25 2018-03-06 Cohere Technologies, Inc. Orthogonal time frequency space communication system compatible with OFDM
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
KR102607253B1 (ko) 2015-05-11 2023-11-29 코히어 테크놀로지스, 아이엔씨. 데이터의 심플렉틱 직교 시간 주파수 시프팅 변조 및 송신을 위한 시스템 및 방법
US10090973B2 (en) 2015-05-11 2018-10-02 Cohere Technologies, Inc. Multiple access in an orthogonal time frequency space communication system
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
US9866363B2 (en) 2015-06-18 2018-01-09 Cohere Technologies, Inc. System and method for coordinated management of network access points
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
US10892547B2 (en) 2015-07-07 2021-01-12 Cohere Technologies, Inc. Inconspicuous multi-directional antenna system configured for multiple polarization modes
EP3320659B1 (en) 2015-07-12 2022-04-20 Cohere Technologies, Inc. Orthogonal time frequency space modulation over a plurality of narrow band subcarriers
US11070329B2 (en) 2015-09-07 2021-07-20 Cohere Technologies, Inc. Multiple access using orthogonal time frequency space modulation
WO2017087706A1 (en) 2015-11-18 2017-05-26 Cohere Technologies Orthogonal time frequency space modulation techniques
CN108781072B (zh) * 2015-12-09 2022-04-26 凝聚技术公司 利用复正交函数的导频封装
WO2017147439A1 (en) 2016-02-25 2017-08-31 Cohere Technologies Reference signal packing 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
WO2017173461A1 (en) 2016-04-01 2017-10-05 Cohere Technologies, Inc. Tomlinson-harashima precoding in an otfs communication system
KR102276187B1 (ko) 2016-04-01 2021-07-12 코히어 테크놀로지스, 아이엔씨. 직교 시간 주파수 공간 변조된 신호들의 반복적 2차원 등화
WO2017201467A1 (en) 2016-05-20 2017-11-23 Cohere Technologies Iterative channel estimation and equalization with superimposed reference signals
WO2018032016A1 (en) 2016-08-12 2018-02-15 Cohere Technologies Localized equalization for channels with intercarrier interference
CN116865924A (zh) 2016-08-12 2023-10-10 凝聚技术公司 正交时间频率空间信号的多用户复用
WO2018031952A1 (en) 2016-08-12 2018-02-15 Cohere Technologies Iterative multi-level equalization and decoding
US11310000B2 (en) 2016-09-29 2022-04-19 Cohere Technologies, Inc. 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
WO2018106731A1 (en) 2016-12-05 2018-06-14 Cohere Technologies 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
WO2018200577A1 (en) 2017-04-24 2018-11-01 Cohere Technologies Digital communication using lattice division multiplexing
WO2018200567A1 (en) 2017-04-24 2018-11-01 Cohere Technologies Multibeam antenna designs and operation
CN111052692B (zh) 2017-07-12 2022-10-11 凝聚技术公司 基于zak变换的数据调制方法
WO2019032605A1 (en) 2017-08-11 2019-02-14 Cohere Technologies RADIATION TRACING TECHNIQUE FOR WIRELESS CHANNEL MEASUREMENTS
WO2019036492A1 (en) 2017-08-14 2019-02-21 Cohere Technologies ASSIGNMENT OF TRANSMISSION RESOURCES BY DIVISION OF BLOCKS OF PHYSICAL RESOURCES
WO2019051093A1 (en) 2017-09-06 2019-03-14 Cohere Technologies REDUCTION OF TRELLIS IN TIME, FREQUENCY AND ORTHOGONAL SPATIAL MODULATION
US11283561B2 (en) 2017-09-11 2022-03-22 Cohere Technologies, Inc. Wireless local area networks using orthogonal time frequency space modulation
US11190308B2 (en) 2017-09-15 2021-11-30 Cohere Technologies, Inc. Achieving synchronization in an orthogonal time frequency space signal receiver
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
CN107819709B (zh) * 2017-10-26 2020-07-21 成都信息工程大学 一种移动目标检测的方法及装置
CN111919394B (zh) 2017-11-01 2022-05-27 凝聚技术公司 使用正交时频空分复用的无线系统中的预编码
WO2019113046A1 (en) 2017-12-04 2019-06-13 Cohere Technologies, Inc. Implementation of orthogonal time frequency space modulation for wireless communications
EP3750252A4 (en) 2018-02-08 2021-08-11 Cohere Technologies, Inc. CHANNEL ESTIMATE ASPECTS FOR ORTHOGONAL TIME-FREQUENCY SPATIAL MODULATION FOR WIRELESS COMMUNICATIONS
WO2019173775A1 (en) 2018-03-08 2019-09-12 Cohere Technologies, Inc. Scheduling multi-user mimo transmissions in fixed wireless access systems
CN110557350A (zh) * 2018-06-04 2019-12-10 索尼公司 电子设备和通信方法
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
JP6877659B2 (ja) * 2018-12-28 2021-05-26 三菱電機株式会社 無線送信装置、無線受信装置、遠隔通信監視システム、無線通信システム、無線通信方法、制御回路およびプログラム
CN110278017B (zh) * 2019-06-27 2023-07-25 广东工业大学 一种基于智能反射面的多天线无线能量传输系统与方法
EP3809656A1 (en) * 2019-10-14 2021-04-21 Volkswagen AG Wireless communication device and corresponding apparatus, method and computer program
EP3809652B1 (en) 2019-10-14 2023-12-06 Volkswagen AG Wireless communication device and corresponding apparatus, method and computer program
EP3809651B1 (en) 2019-10-14 2022-09-14 Volkswagen AG Wireless communication device and corresponding apparatus, method and computer program
EP3809654B1 (en) 2019-10-14 2024-03-20 Volkswagen AG Wireless communication device and corresponding apparatus, method and computer program
EP3826254B1 (en) * 2019-11-19 2022-06-15 Volkswagen AG Differential power analysis for otfs pilot interference detection
JP2021136657A (ja) * 2020-02-28 2021-09-13 Kddi株式会社 Ｏｔｆｓ変調を用いた通信において高精度化されたチャネル推定手法を用いる送信装置、受信装置、通信方法、およびベースバンドチップ
CN111246491B (zh) * 2020-03-10 2021-06-08 电子科技大学 一种智能反射表面辅助的太赫兹通信系统设计方法
CN114079597A (zh) * 2020-08-18 2022-02-22 华为技术有限公司 一种通信方法及装置
CN115843428A (zh) * 2020-10-21 2023-03-24 Oppo广东移动通信有限公司 无线通信方法、发送端和接收端
CN113660068B (zh) * 2021-07-08 2022-11-01 南京邮电大学 一种otfs系统中多用户上行动态导频分配方法及系统
CN113727347B (zh) * 2021-08-27 2023-12-05 江苏杰泽罗通信科技有限公司 一种基于arq的自适应阻继网络优化方法
CN113866752B (zh) * 2021-09-30 2024-05-10 西安科技大学 一种svd预编码的mimo-otfs雷达目标检测方法
WO2023181216A1 (ja) * 2022-03-23 2023-09-28 日本電気株式会社 通信制御装置、通信システム、方法、及び非一時的なコンピュータ可読媒体
CN114944866B (zh) * 2022-05-25 2023-07-11 中国电子科技集团公司第十研究所 一种机载综合化多模通信系统及设计方法
CN115086114B (zh) * 2022-06-10 2023-08-15 西安电子科技大学 基于分散式放置正交时频空otfs导频的信道估计方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140169433A1 (en) * 2011-05-26 2014-06-19 Cohere Technologies, Inc. Modulation and equalization in an orthonormal time-frequency shifting communications system

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4931803A (en) 1988-03-31 1990-06-05 The United States Of America As Represented By The Secretary Of The Army Electronically steered phased array radar antenna
EP0991237A1 (en) * 1998-09-30 2000-04-05 TELEFONAKTIEBOLAGET L M ERICSSON (publ) Multicarrier communication method with time-frequency differential encoding
US6985432B1 (en) * 2000-01-28 2006-01-10 Zion Hadad OFDM communication channel
US20030060200A1 (en) * 2001-09-27 2003-03-27 Soliman Samir S. Handoff method and apparatus with dual pilots in a communication system
US8451933B2 (en) * 2002-07-18 2013-05-28 Coherent Logix, Incorporated Detection of low-amplitude echoes in a received communication signal
US7333774B2 (en) * 2003-10-07 2008-02-19 The Board Of Trustees Of The Leland Stanford Junior University Method of optimizing wireless communication links using stored channel characteristics of different locations
US8126066B2 (en) * 2005-06-09 2012-02-28 Telefonaktiebolaget Lm Ericsson (Publ) Time and frequency channel estimation
KR101275806B1 (ko) * 2006-04-24 2013-06-18 한국전자통신연구원 적응형 채널 추정이 가능한 파일럿 패턴 생성 방법, 상기파일럿 패턴을 이용한 송수신 방법 및 그 장치
US8155658B1 (en) * 2008-10-21 2012-04-10 Clearwire Ip Holdings Llc Methods and systems for providing dynamic bandwidth adaptation in wireless systems
CN102273115B (zh) * 2009-01-07 2015-06-17 松下电器（美国）知识产权公司 无线通信设备、无线通信系统和无线通信方法
US8737502B2 (en) * 2009-02-09 2014-05-27 Qualcomm Incorporated Multiplexing and coding schemes for multiple transmit antennas in a wireless communication system
US9444514B2 (en) * 2010-05-28 2016-09-13 Cohere Technologies, Inc. OTFS methods of data channel characterization and uses thereof
US8879378B2 (en) * 2010-05-28 2014-11-04 Selim Shlomo Rakib Orthonormal time-frequency shifting and spectral shaping communications method
US9130638B2 (en) * 2011-05-26 2015-09-08 Cohere Technologies, Inc. Modulation and equalization in an orthonormal time-frequency shifting communications system
US9083595B2 (en) * 2010-05-28 2015-07-14 Cohere Technologies, Inc. Signal modulation method resistant to echo reflections and frequency offsets
US8774303B2 (en) * 2011-06-29 2014-07-08 Electronics And Telecommunications Research Institute Wireless communication method and apparatus using adaptive transmission polarization control
CA2868505A1 (en) * 2012-03-26 2013-10-03 Rony HADANI Signal modulation method resistant to echo reflections and frequency offsets
CN104662855B (zh) 2012-06-25 2018-10-23 科希尔技术股份有限公司 正交时频移动通信系统中的调制和均衡
CN103795513B (zh) * 2012-10-31 2018-12-21 中兴通讯股份有限公司 一种下行控制信息的配置、获取方法、基站和终端
JP6021668B2 (ja) * 2013-02-04 2016-11-09 三菱電機株式会社 等化装置及び等化方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140169433A1 (en) * 2011-05-26 2014-06-19 Cohere Technologies, Inc. Modulation and equalization in an orthonormal time-frequency shifting communications system

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
LIU YINGNAN ET AL: "Estimation of Basis Expansion Models for doubly selective channels", JOURNAL OF ELECTRONICS, KEXUE CHUBANSHE, BEIJING, CN, vol. 25, no. 1, 1 January 2008 (2008-01-01), pages 115 - 119, XP035988357, ISSN: 0217-9822, [retrieved on 20080101], DOI: 10.1007/S11767-007-0083-3 *
S. COLERI ET AL: "Channel estimation techniques based on pilot arrangement in OFDM systems", IEEE TRANSACTIONS ON BROADCASTING., vol. 48, no. 3, 1 September 2002 (2002-09-01), US, pages 223 - 229, XP055354356, ISSN: 0018-9316, DOI: 10.1109/TBC.2002.804034 *

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