TW201145915A - Reducing phase errors on a communication device - Google Patents
Reducing phase errors on a communication device Download PDFInfo
- Publication number
- TW201145915A TW201145915A TW100103693A TW100103693A TW201145915A TW 201145915 A TW201145915 A TW 201145915A TW 100103693 A TW100103693 A TW 100103693A TW 100103693 A TW100103693 A TW 100103693A TW 201145915 A TW201145915 A TW 201145915A
- Authority
- TW
- Taiwan
- Prior art keywords
- communication device
- wireless communication
- communication devices
- cyclic delay
- phase
- Prior art date
Links
- 238000004891 communication Methods 0.000 title claims abstract description 427
- 230000004044 response Effects 0.000 claims abstract description 89
- 238000012549 training Methods 0.000 claims description 121
- 125000004122 cyclic group Chemical group 0.000 claims description 89
- 238000000034 method Methods 0.000 claims description 58
- 239000011159 matrix material Substances 0.000 claims description 23
- 230000009467 reduction Effects 0.000 claims description 15
- 238000004590 computer program Methods 0.000 claims description 12
- 206010010071 Coma Diseases 0.000 claims 1
- 238000005070 sampling Methods 0.000 description 32
- 238000010586 diagram Methods 0.000 description 16
- 238000012937 correction Methods 0.000 description 10
- 230000006870 function Effects 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 238000004364 calculation method Methods 0.000 description 6
- 230000001934 delay Effects 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 101100232709 Caenorhabditis elegans iff-2 gene Proteins 0.000 description 1
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- 230000015556 catabolic process Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
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- 230000004069 differentiation Effects 0.000 description 1
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- 238000001356 surgical procedure Methods 0.000 description 1
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Classifications
-
- 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
-
- 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
- H04L5/0023—Time-frequency-space
-
- 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
- H04L25/0212—Channel estimation of impulse response
-
- 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
-
- 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
- H04L25/024—Channel estimation channel estimation algorithms
- H04L25/0242—Channel estimation channel estimation algorithms using matrix methods
-
- 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
-
- 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
- H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
- H04L27/2607—Cyclic extensions
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Radio Transmission System (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US29964210P | 2010-01-29 | 2010-01-29 | |
| US13/014,578 US9031122B2 (en) | 2010-01-29 | 2011-01-26 | Reducing phase errors on a communication device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW201145915A true TW201145915A (en) | 2011-12-16 |
Family
ID=44341627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW100103693A TW201145915A (en) | 2010-01-29 | 2011-01-31 | Reducing phase errors on a communication device |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US9031122B2 (enExample) |
| EP (1) | EP2529524A1 (enExample) |
| JP (3) | JP5792199B2 (enExample) |
| KR (1) | KR101422790B1 (enExample) |
| CN (1) | CN102696207B (enExample) |
| TW (1) | TW201145915A (enExample) |
| WO (1) | WO2011094599A1 (enExample) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5182884B2 (ja) * | 2006-12-28 | 2013-04-17 | パナソニック株式会社 | 無線通信装置及び再送制御方法 |
| US9577858B2 (en) * | 2011-06-02 | 2017-02-21 | Digi International Inc. | RF chirp receiver synchronization |
| JP5525557B2 (ja) * | 2012-02-21 | 2014-06-18 | 日本電信電話株式会社 | 基地局装置、無線通信方法、及び無線通信システム |
| US9544095B2 (en) * | 2012-11-05 | 2017-01-10 | Broadcom Corporation | Channel estimation for phase-only feedback and methods for use therewith |
| US9083444B2 (en) | 2013-03-12 | 2015-07-14 | Digi International Inc. | Chirp spread spectrum system and method |
| KR101721293B1 (ko) * | 2013-12-31 | 2017-04-10 | 한국전자통신연구원 | 무선랜 시스템에서 채널을 추정하는 장치 및 방법 |
| CN104967583B (zh) * | 2015-06-01 | 2019-03-19 | 江苏文络电子科技有限公司 | 一种提高差分系统接收性能的方法 |
| US12143258B2 (en) * | 2021-10-20 | 2024-11-12 | Qualcomm Incorporated | Iterative phase-noise cancellation |
Family Cites Families (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI102578B (fi) * | 1996-11-27 | 1998-12-31 | Nokia Telecommunications Oy | Menetelmä taajuuseron mittaamiseksi ja vastaanotin |
| KR100779409B1 (ko) * | 1998-11-11 | 2007-11-26 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 향상된 신호 위치 측정 장치 |
| JP3544643B2 (ja) * | 2000-07-14 | 2004-07-21 | 松下電器産業株式会社 | チャネル推定装置及びチャネル推定方法 |
| US7418043B2 (en) * | 2000-07-19 | 2008-08-26 | Lot 41 Acquisition Foundation, Llc | Software adaptable high performance multicarrier transmission protocol |
| US7310304B2 (en) | 2001-04-24 | 2007-12-18 | Bae Systems Information And Electronic Systems Integration Inc. | Estimating channel parameters in multi-input, multi-output (MIMO) systems |
| JP4338532B2 (ja) * | 2003-02-21 | 2009-10-07 | 富士通株式会社 | 通信装置 |
| KR100575938B1 (ko) | 2003-03-13 | 2006-05-02 | 한국과학기술원 | 이동통신시스템에서 주파수 오프셋 보상장치 및 방법 |
| AU2003212381A1 (en) * | 2003-03-27 | 2004-10-18 | Docomo Communications Laboratories Europe Gmbh | Apparatus and method for estimating a plurality of channels |
| US7724851B2 (en) * | 2004-03-04 | 2010-05-25 | Bae Systems Information And Electronic Systems Integration Inc. | Receiver with multiple collectors in a multiple user detection system |
| US7539260B2 (en) * | 2004-05-27 | 2009-05-26 | Qualcomm Incorporated | Detecting the number of transmit antennas in wireless communication systems |
| WO2006018035A1 (en) | 2004-08-20 | 2006-02-23 | Ntt Docomo, Inc. | Apparatus and method for reducing a phase drift |
| JP4556673B2 (ja) | 2005-01-12 | 2010-10-06 | ソニー株式会社 | 無線通信装置及び無線通信方法 |
| EP1842349B1 (en) * | 2005-01-14 | 2020-04-08 | Texas Instruments Incorporated | Communication system overlap-and-add operation |
| JP4463780B2 (ja) | 2005-06-14 | 2010-05-19 | 株式会社エヌ・ティ・ティ・ドコモ | 送信装置および送信方法 |
| JP4782221B2 (ja) | 2005-06-14 | 2011-09-28 | 株式会社エヌ・ティ・ティ・ドコモ | 受信装置および受信方法、通信システム |
| US7742390B2 (en) | 2005-08-23 | 2010-06-22 | Agere Systems Inc. | Method and apparatus for improved long preamble formats in a multiple antenna communication system |
| JP4367422B2 (ja) * | 2006-02-14 | 2009-11-18 | ソニー株式会社 | 無線通信装置及び無線通信方法 |
| US7822069B2 (en) | 2006-05-22 | 2010-10-26 | Qualcomm Incorporated | Phase correction for OFDM and MIMO transmissions |
| JP2008035364A (ja) * | 2006-07-31 | 2008-02-14 | Sanyo Electric Co Ltd | 受信方法ならびにそれを利用した受信装置および無線装置 |
| JP4382070B2 (ja) * | 2006-10-10 | 2009-12-09 | 日本電信電話株式会社 | 受信局装置およびその処理方法、送信局装置 |
| JP4978384B2 (ja) * | 2006-10-31 | 2012-07-18 | 日本電気株式会社 | 移動通信システム、送信装置、および送信信号生成方法 |
| JP2009186241A (ja) | 2008-02-04 | 2009-08-20 | Sumitomo Electric Ind Ltd | 受信装置、測距システム、測位システム、コンピュータプログラム及び受信時点特定方法 |
| JP5024548B2 (ja) * | 2008-03-13 | 2012-09-12 | 日本電気株式会社 | 制御信号復調装置、制御信号復調方法、無線通信装置およびプログラム |
| US8199845B2 (en) * | 2009-05-20 | 2012-06-12 | Motorola Mobility, Inc. | Up-link SDMA receiver for WiMAX |
| US8265184B2 (en) * | 2009-11-18 | 2012-09-11 | Wi-Lan, Inc. | Digital communications receiver and method of estimating residual carrier frequency offset in a received signal |
-
2011
- 2011-01-26 US US13/014,578 patent/US9031122B2/en not_active Expired - Fee Related
- 2011-01-28 KR KR1020127022554A patent/KR101422790B1/ko not_active Expired - Fee Related
- 2011-01-28 EP EP11705324A patent/EP2529524A1/en not_active Withdrawn
- 2011-01-28 WO PCT/US2011/023005 patent/WO2011094599A1/en not_active Ceased
- 2011-01-28 CN CN201180005675.XA patent/CN102696207B/zh not_active Expired - Fee Related
- 2011-01-28 JP JP2012551345A patent/JP5792199B2/ja not_active Expired - Fee Related
- 2011-01-31 TW TW100103693A patent/TW201145915A/zh unknown
-
2014
- 2014-04-17 JP JP2014085405A patent/JP5996575B2/ja not_active Expired - Fee Related
-
2016
- 2016-06-23 JP JP2016124706A patent/JP6297629B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR20120123113A (ko) | 2012-11-07 |
| CN102696207A (zh) | 2012-09-26 |
| JP2014168257A (ja) | 2014-09-11 |
| US20110188559A1 (en) | 2011-08-04 |
| JP2013518532A (ja) | 2013-05-20 |
| WO2011094599A1 (en) | 2011-08-04 |
| JP5996575B2 (ja) | 2016-09-21 |
| EP2529524A1 (en) | 2012-12-05 |
| JP2016197884A (ja) | 2016-11-24 |
| JP6297629B2 (ja) | 2018-03-20 |
| CN102696207B (zh) | 2015-08-19 |
| US9031122B2 (en) | 2015-05-12 |
| JP5792199B2 (ja) | 2015-10-07 |
| KR101422790B1 (ko) | 2014-07-23 |
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