CN103124249B - 无导频的载波跟踪 - Google Patents
无导频的载波跟踪 Download PDFInfo
- Publication number
- CN103124249B CN103124249B CN201210461875.2A CN201210461875A CN103124249B CN 103124249 B CN103124249 B CN 103124249B CN 201210461875 A CN201210461875 A CN 201210461875A CN 103124249 B CN103124249 B CN 103124249B
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- CN
- China
- Prior art keywords
- subcarrier
- symbol
- subcarriers
- performance
- bit
- 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.)
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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
- H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
- H04L5/0046—Determination of how many bits are transmitted on different sub-channels
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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
- H04L27/2657—Carrier synchronisation
-
- 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
- H04L27/2668—Details of algorithms
- H04L27/2673—Details of algorithms characterised by synchronisation parameters
- H04L27/2676—Blind, i.e. without using known symbols
- H04L27/2679—Decision-aided
-
- 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
- H04L5/0042—Arrangements for allocating sub-channels of the transmission path intra-user or intra-terminal allocation
-
- 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
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
-
- 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
- H04L5/0058—Allocation criteria
- H04L5/006—Quality of the received signal, e.g. BER, SNR, water filling
-
- 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
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0094—Indication of how sub-channels of the path are allocated
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Abstract
Description
Claims (18)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/299,757 | 2011-11-18 | ||
US13/299,757 US8780838B2 (en) | 2011-11-18 | 2011-11-18 | Carrier tracking without pilots |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103124249A CN103124249A (zh) | 2013-05-29 |
CN103124249B true CN103124249B (zh) | 2018-05-11 |
Family
ID=47325844
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201210461875.2A Active CN103124249B (zh) | 2011-11-18 | 2012-11-16 | 无导频的载波跟踪 |
Country Status (3)
Country | Link |
---|---|
US (2) | US8780838B2 (zh) |
EP (1) | EP2595338B1 (zh) |
CN (1) | CN103124249B (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2015127597A1 (zh) * | 2014-02-26 | 2015-09-03 | 华为技术有限公司 | 一种发送、接收数据的方法、装置及系统 |
US20170180182A1 (en) * | 2015-12-22 | 2017-06-22 | Intel Corporation | Joint noncoherent demodulation and carrier frequency offset correction based on non-linear filtering |
US10476731B2 (en) | 2015-12-22 | 2019-11-12 | Intel Corporation | Joint noncoherent demodulation and carrier frequency offset correction based on non-linear filtering |
CN109155681B (zh) | 2016-05-09 | 2020-11-03 | 三星电子株式会社 | 无线蜂窝通信系统中发送/接收同步信号的方法和设备 |
KR20170126376A (ko) * | 2016-05-09 | 2017-11-17 | 삼성전자주식회사 | 무선 셀룰라 통신 시스템의 동기신호 송수신 방법 및 장치 |
US20180220173A1 (en) * | 2017-01-30 | 2018-08-02 | Intel Corporation | Signal to noise ratio margin equalization in systems with coded modulation |
US10461963B2 (en) | 2017-06-01 | 2019-10-29 | Silicon Laboratories Inc. | Two-dimensional filtering of pilots and carriers for OFDM channel estimation |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102067538A (zh) * | 2008-06-17 | 2011-05-18 | 爱立信电话股份有限公司 | 在数字通信系统中发射软导频符号的发射器和方法 |
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FR2721778B1 (fr) | 1994-06-23 | 1996-09-06 | France Telecom | Procédé d'estimation d'une erreur de phase résiduelle sur les échantillons d'un signal numérique démodulé, et procédé de correction correspondant. |
JP3013763B2 (ja) | 1995-08-25 | 2000-02-28 | 日本電気株式会社 | キャリア同期ユニット |
JP3006679B2 (ja) | 1997-01-16 | 2000-02-07 | 日本電気株式会社 | セルラー移動電話システム |
JP3726857B2 (ja) | 1997-05-02 | 2005-12-14 | ソニー株式会社 | 受信装置および受信方法 |
US6304624B1 (en) | 1997-10-24 | 2001-10-16 | Fujitsu Limited | Coherent detecting method using a pilot symbol and a tentatively determined data symbol, a mobile communication receiver and an interference removing apparatus using the coherent detecting method |
US6122247A (en) | 1997-11-24 | 2000-09-19 | Motorola Inc. | Method for reallocating data in a discrete multi-tone communication system |
US6442222B1 (en) | 1998-12-24 | 2002-08-27 | At&T Wireless Services, Inc. | Method for error compensation in an OFDM system with diversity |
EP1162803A1 (en) | 2000-06-05 | 2001-12-12 | Telefonaktiebolaget L M Ericsson (Publ) | Frequency tracking device and method for a receiver of a multi-carrier communication system |
US7266162B2 (en) | 2002-06-18 | 2007-09-04 | Lucent Technologies Inc. | Carrier frequency offset estimator for OFDM systems |
US7324612B2 (en) * | 2003-02-21 | 2008-01-29 | Conexant, Inc. | Carrier tracking circuit and method including dual numerically controlled oscillators and feedforward phase correction coefficient |
US7324613B2 (en) * | 2003-11-25 | 2008-01-29 | University Of Florida Research Foundation, Inc. | Multi-layer differential phase shift keying with bit-interleaved coded modulation and OFDM |
US7302379B2 (en) * | 2003-12-07 | 2007-11-27 | Adaptive Spectrum And Signal Alignment, Inc. | DSL system estimation and parameter recommendation |
US7570695B2 (en) * | 2003-12-18 | 2009-08-04 | Intel Corporation | Method and adaptive bit interleaver for wideband systems using adaptive bit loading |
US7123580B2 (en) * | 2004-01-16 | 2006-10-17 | Nokia Corporation | Multiple user adaptive modulation scheme for MC-CDMA |
DE602004015929D1 (de) * | 2004-03-23 | 2008-10-02 | Infineon Technologies Ag | Phasen- und Frequenzsynchronisationseinrichtung für OFDM-Empfänger unter Verwendung von einer Präambel, Piloten und Informationsdaten |
KR100594085B1 (ko) * | 2004-12-21 | 2006-06-30 | 삼성전자주식회사 | 직교 주파수 분할 다중 시스템에서 시간영역 채널 추정방법 및 장치 |
KR100752641B1 (ko) | 2005-01-25 | 2007-08-29 | 삼성전자주식회사 | 데이터 서브캐리어를 이용하여 공통 위상을 추정하는ofdm 신호 수신기 및 방법 |
JP4806446B2 (ja) | 2005-03-29 | 2011-11-02 | パナソニック株式会社 | 通信システムにおける信号送信方法および信号受信方法、データ送信器ならびにデータ受信器 |
KR100825739B1 (ko) * | 2005-11-14 | 2008-04-29 | 한국전자통신연구원 | Ofdma 기반 인지 무선 시스템에서의 동적 자원 할당방법 및 이를 위한 하향 링크 프레임 구조 |
WO2007059114A2 (en) * | 2005-11-14 | 2007-05-24 | Conexant Systems, Inc. | Systems and methods for improved bit-loading for discrete multi-tone modulated multiple latency applications |
US8441912B2 (en) * | 2006-09-18 | 2013-05-14 | Lantiq Deutschland Gmbh | Method and apparatus for data transmission |
US8072957B2 (en) * | 2007-01-18 | 2011-12-06 | Proximetry, Inc. | System and method for incorporating dynamic orthogonal frequency-division multiplexing into wireless network protocols |
TWI392253B (zh) * | 2007-03-13 | 2013-04-01 | Ite Tech Inc | 於頻域中估測雜訊功率的裝置與方法 |
US7801076B2 (en) * | 2007-05-15 | 2010-09-21 | Infineon Technologies Ag | Allocation of signal-to-noise ratio margin in multi-carrier systems |
ITTO20070850A1 (it) * | 2007-11-26 | 2009-05-27 | Dora Spa | "procedimento per la trasmissione su sistemi di comunicazione a portanti multiple, trasmettitore e prodotto informatico relativi" |
SI2073420T1 (sl) * | 2007-12-19 | 2011-03-31 | Sony Corp | Optimalna BER-nastavitev za adaptivno večnosilčno modulacijo |
JP5149971B2 (ja) * | 2008-12-09 | 2013-02-20 | 株式会社日立製作所 | 無線通信システム及び無線通信方法 |
US9906333B2 (en) * | 2012-08-13 | 2018-02-27 | Microsoft Technology Licensing, Llc | In-frame acknowledgments and retransmissions |
-
2011
- 2011-11-18 US US13/299,757 patent/US8780838B2/en active Active
-
2012
- 2012-11-06 EP EP12191498.0A patent/EP2595338B1/en active Active
- 2012-11-16 CN CN201210461875.2A patent/CN103124249B/zh active Active
-
2014
- 2014-07-14 US US14/330,117 patent/US9306716B2/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102067538A (zh) * | 2008-06-17 | 2011-05-18 | 爱立信电话股份有限公司 | 在数字通信系统中发射软导频符号的发射器和方法 |
Also Published As
Publication number | Publication date |
---|---|
EP2595338A2 (en) | 2013-05-22 |
EP2595338A3 (en) | 2013-09-18 |
CN103124249A (zh) | 2013-05-29 |
EP2595338B1 (en) | 2018-07-11 |
US20130128822A1 (en) | 2013-05-23 |
US20140321403A1 (en) | 2014-10-30 |
US8780838B2 (en) | 2014-07-15 |
US9306716B2 (en) | 2016-04-05 |
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Effective date of registration: 20201103 Address after: California, USA Patentee after: Rovi Technologies Corp. Address before: California, USA Patentee before: Lewei Co. Effective date of registration: 20201103 Address after: California, USA Patentee after: Lewei Co. Address before: The Canadian province of Ontario, Toronto Patentee before: VIXS SYSTEMS, Inc. Effective date of registration: 20201103 Address after: California, USA Patentee after: Rovi Guides, Inc. Address before: California, USA Patentee before: Rovi Technologies Corp. |
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