TWI366995B - Frequency-independent spatial processing for wideband miso and mimo systems - Google Patents
Frequency-independent spatial processing for wideband miso and mimo systemsInfo
- Publication number
- TWI366995B TWI366995B TW093125566A TW93125566A TWI366995B TW I366995 B TWI366995 B TW I366995B TW 093125566 A TW093125566 A TW 093125566A TW 93125566 A TW93125566 A TW 93125566A TW I366995 B TWI366995 B TW I366995B
- Authority
- TW
- Taiwan
- Prior art keywords
- frequency
- spatial processing
- mimo systems
- independent spatial
- wideband miso
- Prior art date
Links
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
-
- 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
- H04B7/0417—Feedback 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
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space 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
- 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
- H04L25/024—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
- 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
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Radio Transmission System (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/650,295 US7065144B2 (en) | 2003-08-27 | 2003-08-27 | Frequency-independent spatial processing for wideband MISO and MIMO systems |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200518506A TW200518506A (en) | 2005-06-01 |
TWI366995B true TWI366995B (en) | 2012-06-21 |
Family
ID=34217123
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW093125566A TWI366995B (en) | 2003-08-27 | 2004-08-26 | Frequency-independent spatial processing for wideband miso and mimo systems |
Country Status (9)
Country | Link |
---|---|
US (2) | US7065144B2 (zh) |
EP (2) | EP2299617B1 (zh) |
JP (3) | JP5006039B2 (zh) |
KR (4) | KR101129114B1 (zh) |
CN (1) | CN1875562B (zh) |
CA (1) | CA2536425C (zh) |
ES (1) | ES2525141T3 (zh) |
TW (1) | TWI366995B (zh) |
WO (1) | WO2005022817A1 (zh) |
Families Citing this family (174)
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-
2003
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2004
- 2004-08-17 CN CN2004800318220A patent/CN1875562B/zh not_active Expired - Lifetime
- 2004-08-17 KR KR1020117024423A patent/KR101129114B1/ko active IP Right Grant
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- 2004-08-17 EP EP04781671.5A patent/EP1671443B1/en not_active Expired - Lifetime
- 2004-08-17 KR KR1020097018283A patent/KR101137079B1/ko active IP Right Grant
- 2004-08-17 JP JP2006524746A patent/JP5006039B2/ja not_active Expired - Lifetime
- 2004-08-17 WO PCT/US2004/027038 patent/WO2005022817A1/en active Application Filing
- 2004-08-17 ES ES10011027.9T patent/ES2525141T3/es not_active Expired - Lifetime
- 2004-08-17 KR KR1020117025568A patent/KR101236330B1/ko active IP Right Grant
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- 2004-08-26 TW TW093125566A patent/TWI366995B/zh active
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KR101137079B1 (ko) | 2012-04-20 |
JP5027291B2 (ja) | 2012-09-19 |
JP5389978B2 (ja) | 2014-01-15 |
US7894538B2 (en) | 2011-02-22 |
KR20110122885A (ko) | 2011-11-11 |
CN1875562B (zh) | 2010-09-01 |
JP2011061807A (ja) | 2011-03-24 |
KR20090101978A (ko) | 2009-09-29 |
KR101129114B1 (ko) | 2012-03-23 |
ES2525141T3 (es) | 2014-12-18 |
WO2005022817A1 (en) | 2005-03-10 |
TW200518506A (en) | 2005-06-01 |
EP2299617A3 (en) | 2012-05-30 |
EP1671443A1 (en) | 2006-06-21 |
KR101092794B1 (ko) | 2011-12-12 |
CA2536425A1 (en) | 2005-03-10 |
JP2007503767A (ja) | 2007-02-22 |
EP2299617A2 (en) | 2011-03-23 |
KR101236330B1 (ko) | 2013-02-22 |
KR20060121828A (ko) | 2006-11-29 |
CA2536425C (en) | 2012-10-30 |
JP5006039B2 (ja) | 2012-08-22 |
KR20110118846A (ko) | 2011-11-01 |
EP1671443B1 (en) | 2013-12-25 |
US7065144B2 (en) | 2006-06-20 |
US20060274844A1 (en) | 2006-12-07 |
CN1875562A (zh) | 2006-12-06 |
JP2012199933A (ja) | 2012-10-18 |
US20050047515A1 (en) | 2005-03-03 |
EP2299617B1 (en) | 2014-10-15 |
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