DE602004005896D1 - Kalibrierverfahren zur erzielung von reziprozität bidirektionaler kommunikationskanäle - Google Patents
Kalibrierverfahren zur erzielung von reziprozität bidirektionaler kommunikationskanäleInfo
- Publication number
- DE602004005896D1 DE602004005896D1 DE602004005896T DE602004005896T DE602004005896D1 DE 602004005896 D1 DE602004005896 D1 DE 602004005896D1 DE 602004005896 T DE602004005896 T DE 602004005896T DE 602004005896 T DE602004005896 T DE 602004005896T DE 602004005896 D1 DE602004005896 D1 DE 602004005896D1
- Authority
- DE
- Germany
- Prior art keywords
- reciprocity
- calibration method
- obtaining
- communication channels
- bidirectional communication
- 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.)
- Active
Links
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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03343—Arrangements at the transmitter end
-
- 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
- H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
- H04L2025/03375—Passband transmission
- H04L2025/03414—Multicarrier
-
- 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
- H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
- H04L2025/03426—Arrangements for removing intersymbol interference characterised by the type of transmission transmission using multiple-input and multiple-output 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L2025/03777—Arrangements for removing intersymbol interference characterised by the signalling
- H04L2025/03802—Signalling on the reverse channel
-
- 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
- H04L25/0224—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
- H04L25/0224—Channel estimation using sounding signals
- H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
- Radio Transmission System (AREA)
- Communication Control (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0303583A SE0303583D0 (sv) | 2003-12-30 | 2003-12-30 | Method and arrangement for reciprocity calibration in wireless communication |
SE0303583 | 2003-12-30 | ||
EP04015304 | 2004-06-30 | ||
EP04015304A EP1551143A1 (de) | 2003-12-30 | 2004-06-30 | Kalibrierungsverfahren zur Erreichung der Reziprozität von bidirektionalen Kommunikationskanälen |
PCT/EP2004/014669 WO2005064871A1 (en) | 2003-12-30 | 2004-12-23 | Calibration method to achieve reciprocity of bidirectional communication channels |
Publications (2)
Publication Number | Publication Date |
---|---|
DE602004005896D1 true DE602004005896D1 (de) | 2007-05-24 |
DE602004005896T2 DE602004005896T2 (de) | 2007-12-13 |
Family
ID=34740677
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE602004005896T Active DE602004005896T2 (de) | 2003-12-30 | 2004-12-23 | Kalibrierverfahren zur erzielung von reziprozität bidirektionaler kommunikationskanäle |
Country Status (8)
Country | Link |
---|---|
US (1) | US7747250B2 (de) |
EP (1) | EP1700438B1 (de) |
JP (1) | JP4361938B2 (de) |
AT (1) | ATE359648T1 (de) |
DE (1) | DE602004005896T2 (de) |
ES (1) | ES2285553T3 (de) |
PL (1) | PL1700438T3 (de) |
WO (1) | WO2005064871A1 (de) |
Families Citing this family (69)
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---|---|---|---|---|
JP4652846B2 (ja) * | 2004-03-11 | 2011-03-16 | パナソニック株式会社 | 通信端末装置および通信中継方法 |
US9819403B2 (en) | 2004-04-02 | 2017-11-14 | Rearden, Llc | System and method for managing handoff of a client between different distributed-input-distributed-output (DIDO) networks based on detected velocity of the client |
US11309943B2 (en) | 2004-04-02 | 2022-04-19 | Rearden, Llc | System and methods for planned evolution and obsolescence of multiuser spectrum |
US10200094B2 (en) | 2004-04-02 | 2019-02-05 | Rearden, Llc | Interference management, handoff, power control and link adaptation in distributed-input distributed-output (DIDO) communication systems |
US8542763B2 (en) | 2004-04-02 | 2013-09-24 | Rearden, Llc | Systems and methods to coordinate transmissions in distributed wireless systems via user clustering |
US10985811B2 (en) | 2004-04-02 | 2021-04-20 | Rearden, Llc | System and method for distributed antenna wireless communications |
US10425134B2 (en) | 2004-04-02 | 2019-09-24 | Rearden, Llc | System and methods for planned evolution and obsolescence of multiuser spectrum |
US10886979B2 (en) | 2004-04-02 | 2021-01-05 | Rearden, Llc | System and method for link adaptation in DIDO multicarrier systems |
US8654815B1 (en) | 2004-04-02 | 2014-02-18 | Rearden, Llc | System and method for distributed antenna wireless communications |
US11451275B2 (en) | 2004-04-02 | 2022-09-20 | Rearden, Llc | System and method for distributed antenna wireless communications |
US10277290B2 (en) | 2004-04-02 | 2019-04-30 | Rearden, Llc | Systems and methods to exploit areas of coherence in wireless systems |
US9312929B2 (en) | 2004-04-02 | 2016-04-12 | Rearden, Llc | System and methods to compensate for Doppler effects in multi-user (MU) multiple antenna systems (MAS) |
US11394436B2 (en) | 2004-04-02 | 2022-07-19 | Rearden, Llc | System and method for distributed antenna wireless communications |
US10749582B2 (en) | 2004-04-02 | 2020-08-18 | Rearden, Llc | Systems and methods to coordinate transmissions in distributed wireless systems via user clustering |
US9826537B2 (en) | 2004-04-02 | 2017-11-21 | Rearden, Llc | System and method for managing inter-cluster handoff of clients which traverse multiple DIDO clusters |
US9685997B2 (en) | 2007-08-20 | 2017-06-20 | Rearden, Llc | Systems and methods to enhance spatial diversity in distributed-input distributed-output wireless systems |
JP4744965B2 (ja) | 2004-08-09 | 2011-08-10 | パナソニック株式会社 | 無線通信装置 |
US20060251421A1 (en) * | 2005-05-09 | 2006-11-09 | Ben Gurion University Of The Negev, Research And Development Authority | Improved free space optical bus |
US8307922B2 (en) | 2005-05-24 | 2012-11-13 | Rearden, Llc | System and method for powering an aircraft using radio frequency signals and feedback |
US8469122B2 (en) * | 2005-05-24 | 2013-06-25 | Rearden, Llc | System and method for powering vehicle using radio frequency signals and feedback |
JP4445474B2 (ja) * | 2006-01-16 | 2010-04-07 | 株式会社東芝 | Ofdm信号の送信方法、ofdm送信機及びofdm受信機 |
WO2007103085A2 (en) * | 2006-03-01 | 2007-09-13 | Interdigital Technology Corporation | Method and apparatus for calibration and channel state feedback to support transmit beamforming in a mimo system |
DE602006010813D1 (de) * | 2006-04-24 | 2010-01-14 | Ntt Docomo Inc | Methode und System zur Funkkanal-Schätzung in einem drahtlosen Kommunikationssystem, Relaisstation und Empfänger |
US7706283B2 (en) * | 2006-09-25 | 2010-04-27 | Mitsubishi Electric Research Laboratories, Inc. | Decentralized and dynamic route selection in cooperative relay networks |
GB2443464A (en) * | 2006-11-06 | 2008-05-07 | Fujitsu Ltd | Signalling in a multi-hop communication systems |
JP5127269B2 (ja) * | 2007-03-07 | 2013-01-23 | キヤノン株式会社 | 無線通信装置、無線通信方法、当該無線通信方法をコンピュータに実行させるためのコンピュータプログラム |
CN101682432B (zh) * | 2007-05-29 | 2013-03-06 | 三菱电机株式会社 | 校准方法、通信系统、频率控制方法以及通信装置 |
US8099132B2 (en) * | 2007-08-15 | 2012-01-17 | Qualcomm Incorporated | Antenna switching and uplink sounding channel measurement |
US20090093222A1 (en) * | 2007-10-03 | 2009-04-09 | Qualcomm Incorporated | Calibration and beamforming in a wireless communication system |
GB2456007B (en) * | 2007-12-31 | 2012-10-17 | Nortel Networks Ltd | Method for channel calibration |
CN102124666A (zh) * | 2008-08-18 | 2011-07-13 | 新加坡科技研究局 | 用于无线通信中继信道的模拟空时中继方法和装置 |
JP2010109631A (ja) * | 2008-10-29 | 2010-05-13 | Kyocera Corp | 無線通信システム、送信装置、および通信信号送信方法 |
US8175538B1 (en) * | 2008-12-15 | 2012-05-08 | Qualcomm Atheros, Inc. | Calibrating a wireless communication device |
US8295263B1 (en) | 2009-02-06 | 2012-10-23 | Qualcomm Atheros, Inc. | Triggering and transmitting sounding packets for wireless communications |
US8804612B1 (en) | 2009-02-06 | 2014-08-12 | Qualcomm Incorporated | Triggering and transmitting sounding packets for wireless communications |
US20100260060A1 (en) * | 2009-04-08 | 2010-10-14 | Qualcomm Incorporated | Integrated calibration protocol for wireless lans |
EP2448137A1 (de) * | 2009-06-23 | 2012-05-02 | Alcatel Lucent | Verfahren und vorrichtung zur signalübertragung in einem mimo-zeitduplexsystem |
US8503291B1 (en) * | 2009-08-13 | 2013-08-06 | Marvell International Ltd. | Systems and methods for directing a beam towards a device in the presence of interference based on reciprocity |
WO2011097785A1 (zh) * | 2010-02-12 | 2011-08-18 | 上海贝尔股份有限公司 | 互易误差校准设备和互易误差校准方法 |
CN101807978B (zh) * | 2010-03-12 | 2012-11-21 | 北京航空航天大学 | 基于收发机天线校准误差的多点协作鲁棒预编码方法 |
CN102082745B (zh) * | 2010-04-19 | 2013-10-16 | 电信科学技术研究院 | 天线校准信息的上报、天线校准因子的确定方法及设备 |
CN102340784B (zh) * | 2010-07-16 | 2014-11-05 | 上海贝尔股份有限公司 | 选择用户终端以增强上下行互逆误差校准的方法和装置 |
US8837525B2 (en) | 2011-03-21 | 2014-09-16 | Xiao-an Wang | Carrier-phase difference detection and tracking in multipoint broadcast channels |
US8792372B2 (en) | 2011-06-20 | 2014-07-29 | Xiao-an Wang | Carrier-phase difference detection with mismatched transmitter and receiver delays |
US8644265B2 (en) * | 2011-09-30 | 2014-02-04 | Xiao-an Wang | Wideband analog channel information feedback |
CN103259581B (zh) * | 2012-02-16 | 2016-08-03 | 电信科学技术研究院 | 一种进行天线校准的方法、系统和设备 |
US9590687B2 (en) * | 2012-06-18 | 2017-03-07 | Telefonaktiebolaget Lm Ericsson (Publ) | Prefiltering in MIMO receiver |
US11189917B2 (en) * | 2014-04-16 | 2021-11-30 | Rearden, Llc | Systems and methods for distributing radioheads |
US11190947B2 (en) | 2014-04-16 | 2021-11-30 | Rearden, Llc | Systems and methods for concurrent spectrum usage within actively used spectrum |
US11050468B2 (en) | 2014-04-16 | 2021-06-29 | Rearden, Llc | Systems and methods for mitigating interference within actively used spectrum |
US10194346B2 (en) | 2012-11-26 | 2019-01-29 | Rearden, Llc | Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology |
CN103209010B (zh) * | 2013-03-04 | 2015-08-26 | 电信科学技术研究院 | 天线校准方法和基带装置 |
US10488535B2 (en) | 2013-03-12 | 2019-11-26 | Rearden, Llc | Apparatus and method for capturing still images and video using diffraction coded imaging techniques |
US9973246B2 (en) | 2013-03-12 | 2018-05-15 | Rearden, Llc | Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology |
US10164698B2 (en) | 2013-03-12 | 2018-12-25 | Rearden, Llc | Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology |
US9923657B2 (en) | 2013-03-12 | 2018-03-20 | Rearden, Llc | Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology |
RU2767777C2 (ru) | 2013-03-15 | 2022-03-21 | Риарден, Ллк | Системы и способы радиочастотной калибровки с использованием принципа взаимности каналов в беспроводной связи с распределенным входом - распределенным выходом |
WO2014189129A1 (ja) * | 2013-05-24 | 2014-11-27 | 日本電信電話株式会社 | 無線通信装置及び無線通信方法 |
CN103560983B (zh) * | 2013-10-15 | 2017-04-12 | 北京航空航天大学 | 一种以用户为中心多基站协作系统中的训练序列设计方法 |
JP2017513365A (ja) * | 2014-03-18 | 2017-05-25 | 華為技術有限公司Huawei Technologies Co.,Ltd. | Ue間の相互依存性較正のための方法、装置、及び通信システム |
US11290162B2 (en) | 2014-04-16 | 2022-03-29 | Rearden, Llc | Systems and methods for mitigating interference within actively used spectrum |
WO2016122387A1 (en) * | 2015-01-29 | 2016-08-04 | Telefonaktiebolaget Lm Ericsson (Publ) | Channel state feedback for a wireless link having phase relaxed channels |
CN112953611A (zh) * | 2015-03-30 | 2021-06-11 | 索尼公司 | 优化用户设备与基站之间的无线信道的设备和方法 |
US10028303B2 (en) * | 2015-10-26 | 2018-07-17 | Intel IP Corporation | Clear channel assessment (CCA) in wireless networks |
CN110800224B (zh) * | 2017-01-09 | 2023-03-07 | 高通股份有限公司 | 针对基于互易性的ul mimo传输的空中校准 |
US10644812B2 (en) * | 2017-03-22 | 2020-05-05 | Qualcomm Incorporated | User equipment antenna calibration with assistance from other devices |
US10763935B2 (en) | 2018-08-09 | 2020-09-01 | At&T Intellectual Property I, L.P. | Generic feedback to enable reciprocity and over the air calibration for advanced networks |
US11533089B2 (en) | 2018-12-20 | 2022-12-20 | Telefonaktiebolaget Lm Ericsson (Publ) | Pre-coding setting |
WO2023245475A1 (en) * | 2022-06-22 | 2023-12-28 | Qualcomm Incorporated | Reporting cross-link interference associated with an electromagnetic radiation reflection relay service |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6615024B1 (en) * | 1998-05-01 | 2003-09-02 | Arraycomm, Inc. | Method and apparatus for determining signatures for calibrating a communication station having an antenna array |
US6738020B1 (en) * | 2001-07-31 | 2004-05-18 | Arraycomm, Inc. | Estimation of downlink transmission parameters in a radio communications system with an adaptive antenna array |
US7039016B1 (en) * | 2001-09-28 | 2006-05-02 | Arraycomm, Llc | Calibration of wideband radios and antennas using a narrowband channel |
US6570527B1 (en) * | 2001-09-28 | 2003-05-27 | Arraycomm, Inc. | Calibration of differential frequency-dependent characteristics of a radio communications system |
WO2003049322A1 (fr) | 2001-11-30 | 2003-06-12 | Fujitsu Limited | Dispositif de communication a diversite d'emission |
US7197084B2 (en) * | 2002-03-27 | 2007-03-27 | Qualcomm Incorporated | Precoding for a multipath channel in a MIMO system |
US6862440B2 (en) * | 2002-05-29 | 2005-03-01 | Intel Corporation | Method and system for multiple channel wireless transmitter and receiver phase and amplitude calibration |
-
2004
- 2004-12-23 JP JP2006546075A patent/JP4361938B2/ja not_active Expired - Fee Related
- 2004-12-23 US US10/584,917 patent/US7747250B2/en not_active Expired - Fee Related
- 2004-12-23 EP EP04804263A patent/EP1700438B1/de not_active Not-in-force
- 2004-12-23 WO PCT/EP2004/014669 patent/WO2005064871A1/en active Application Filing
- 2004-12-23 AT AT04804263T patent/ATE359648T1/de not_active IP Right Cessation
- 2004-12-23 DE DE602004005896T patent/DE602004005896T2/de active Active
- 2004-12-23 ES ES04804263T patent/ES2285553T3/es active Active
- 2004-12-23 PL PL04804263T patent/PL1700438T3/pl unknown
Also Published As
Publication number | Publication date |
---|---|
EP1700438A1 (de) | 2006-09-13 |
DE602004005896T2 (de) | 2007-12-13 |
EP1700438B1 (de) | 2007-04-11 |
US20080125109A1 (en) | 2008-05-29 |
US7747250B2 (en) | 2010-06-29 |
ATE359648T1 (de) | 2007-05-15 |
ES2285553T3 (es) | 2007-11-16 |
WO2005064871A1 (en) | 2005-07-14 |
JP2007517440A (ja) | 2007-06-28 |
JP4361938B2 (ja) | 2009-11-11 |
PL1700438T3 (pl) | 2007-09-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |