TWI799657B - 對多個層進行分離的方法、接收器電路和無線通訊裝置 - Google Patents
對多個層進行分離的方法、接收器電路和無線通訊裝置 Download PDFInfo
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- TWI799657B TWI799657B TW108138068A TW108138068A TWI799657B TW I799657 B TWI799657 B TW I799657B TW 108138068 A TW108138068 A TW 108138068A TW 108138068 A TW108138068 A TW 108138068A TW I799657 B TWI799657 B TW I799657B
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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
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2649—Demodulators
- H04L27/2653—Demodulators with direct demodulation of individual subcarriers
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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
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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
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2649—Demodulators
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0003—Code application, i.e. aspects relating to how codes are applied to form multiplexed channels
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0007—Code type
- H04J13/004—Orthogonal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/16—Code allocation
- H04J13/18—Allocation of orthogonal codes
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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
- H04L25/0202—Channel estimation
- H04L25/0204—Channel estimation of multiple channels
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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
- H04L25/0202—Channel estimation
- H04L25/022—Channel estimation of frequency response
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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
- H04L25/0202—Channel estimation
- H04L25/0224—Channel estimation using sounding signals
- H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
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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
- H04L25/03872—Parallel scrambling or descrambling
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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
- H04L25/03891—Spatial equalizers
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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
- H04L27/2647—Arrangements specific to the receiver only
-
- 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
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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
- H04L27/2647—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
- H04L27/26524—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]
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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
- H04L27/2647—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
- 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
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- 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
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0014—Three-dimensional division
- H04L5/0016—Time-frequency-code
- H04L5/0021—Time-frequency-code in which codes are applied as a frequency-domain sequences, e.g. MC-CDMA
-
- 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
- H04L5/0037—Inter-user or inter-terminal allocation
- H04L5/0041—Frequency-non-contiguous
-
- 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
- H04B7/0452—Multi-user MIMO systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
- H04J2011/0003—Combination with other multiplexing techniques
- H04J2011/0009—Combination with other multiplexing techniques with FDM/FDMA
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Noise Elimination (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201862758263P | 2018-11-09 | 2018-11-09 | |
US62/758,263 | 2018-11-09 | ||
US16/239,441 | 2019-01-03 | ||
US16/239,441 US10700896B2 (en) | 2018-11-09 | 2019-01-03 | Systems and methods for time domain layer separation in orthogonal frequency division multiplexing-based receivers |
Publications (2)
Publication Number | Publication Date |
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TW202019139A TW202019139A (zh) | 2020-05-16 |
TWI799657B true TWI799657B (zh) | 2023-04-21 |
Family
ID=70552014
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW108138068A TWI799657B (zh) | 2018-11-09 | 2019-10-22 | 對多個層進行分離的方法、接收器電路和無線通訊裝置 |
Country Status (4)
Country | Link |
---|---|
US (2) | US10700896B2 (zh) |
KR (1) | KR20200054842A (zh) |
CN (1) | CN111181888A (zh) |
TW (1) | TWI799657B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20240259236A1 (en) * | 2023-01-18 | 2024-08-01 | Samsung Electronics Co., Ltd. | Iterative channel estimation for new radio (nr) |
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US9048914B2 (en) * | 2009-06-23 | 2015-06-02 | Ntt Docomo, Inc. | Radio base station device, mobile station device and radio communication method |
US9179464B2 (en) * | 2010-04-20 | 2015-11-03 | Lg Electronics Inc. | Method and device for transmitting reference signal in wireless communication system |
WO2017057987A1 (ko) * | 2015-10-01 | 2017-04-06 | 엘지전자 주식회사 | D2d 통신에서의 참조신호 송신 방법 및 단말 |
WO2017110166A1 (ja) * | 2015-12-25 | 2017-06-29 | シャープ株式会社 | 基地局装置、端末装置および通信方法 |
US20170264408A1 (en) * | 2016-03-11 | 2017-09-14 | Qualcomm Incorporated | Demodulation reference signal configuration in a multi-input multi-output wireless communication system |
WO2018064313A1 (en) * | 2016-09-28 | 2018-04-05 | Idac Holdings, Inc. | Reference signal design for wireless communication systems |
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CN1518253A (zh) * | 2003-01-15 | 2004-08-04 | 华为技术有限公司 | 一种正交频分复用调制解调的装置及方法 |
KR100987266B1 (ko) * | 2007-02-14 | 2010-10-12 | 삼성전자주식회사 | 단일 반송파 주파수 분할 다중접속 시스템에서 제어정보 송수신 방법 및 장치 |
CN102160311B (zh) * | 2008-09-18 | 2015-03-11 | 三菱电机株式会社 | 发送装置以及接收装置 |
US8982685B2 (en) * | 2009-10-09 | 2015-03-17 | Qualcomm Incorporated | Time orthogonalization of reference signals |
CN102045289A (zh) * | 2009-10-21 | 2011-05-04 | 西安威尔罗根能源科技有限公司 | 一种利用ofdm技术实现高速传输的遥传系统 |
US8908617B2 (en) | 2009-12-31 | 2014-12-09 | Samsung Electronics Co., Ltd. | Uplink demodulation reference signal design for MIMO transmission |
PL2369775T3 (pl) | 2010-03-16 | 2019-08-30 | Lg Electronics Inc. | Sposób i stacja bazowa do przesyłania sygnałów odniesienia oraz sposób i urządzenie użytkownika do odbioru sygnałów odniesienia |
KR101783165B1 (ko) | 2010-06-16 | 2017-09-28 | 텔레호낙티에볼라게트 엘엠 에릭슨(피유비엘) | 기준 신호를 전송 및 디코딩하기 위한 방법 및 장치 |
JP2012186736A (ja) | 2011-03-07 | 2012-09-27 | Sharp Corp | 端末装置、基地局装置、および無線通信システム |
TW201728104A (zh) | 2011-08-12 | 2017-08-01 | 內數位專利控股公司 | 多書入多輸出操作方法及裝置 |
JP6002243B2 (ja) | 2012-01-19 | 2016-10-05 | 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 | 参照信号をスクランブルする方法、ならびにその方法を用いた装置およびユーザ機器 |
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- 2019-01-03 US US16/239,441 patent/US10700896B2/en active Active
- 2019-03-14 KR KR1020190029063A patent/KR20200054842A/ko not_active Application Discontinuation
- 2019-10-22 TW TW108138068A patent/TWI799657B/zh active
- 2019-10-25 CN CN201911025306.1A patent/CN111181888A/zh active Pending
-
2020
- 2020-05-27 US US16/884,918 patent/US11108600B2/en active Active
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US9048914B2 (en) * | 2009-06-23 | 2015-06-02 | Ntt Docomo, Inc. | Radio base station device, mobile station device and radio communication method |
US9179464B2 (en) * | 2010-04-20 | 2015-11-03 | Lg Electronics Inc. | Method and device for transmitting reference signal in wireless communication system |
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WO2017110166A1 (ja) * | 2015-12-25 | 2017-06-29 | シャープ株式会社 | 基地局装置、端末装置および通信方法 |
US20170264408A1 (en) * | 2016-03-11 | 2017-09-14 | Qualcomm Incorporated | Demodulation reference signal configuration in a multi-input multi-output wireless communication system |
WO2018064313A1 (en) * | 2016-09-28 | 2018-04-05 | Idac Holdings, Inc. | Reference signal design for wireless communication systems |
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期刊 K. Takeda, Y. Kishiyama, M. Tanno and T. Nakamura ,"Investigation of Two-Dimensional Orthogonal Sequence Mapping to Multi-Layer Reference Signal for LTE-Advanced Downlink" ,2010 IEEE 72nd Vehicular Technology Conference - Fall ,IEEE ,2010/10/04 ,pp. 1-5 * |
Also Published As
Publication number | Publication date |
---|---|
US11108600B2 (en) | 2021-08-31 |
US10700896B2 (en) | 2020-06-30 |
KR20200054842A (ko) | 2020-05-20 |
US20200287757A1 (en) | 2020-09-10 |
CN111181888A (zh) | 2020-05-19 |
TW202019139A (zh) | 2020-05-16 |
US20200153664A1 (en) | 2020-05-14 |
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