EP1938465A4 - Optimal weights for mmse space-time equalizer of multicode cdma system - Google Patents
Optimal weights for mmse space-time equalizer of multicode cdma systemInfo
- Publication number
- EP1938465A4 EP1938465A4 EP06773184A EP06773184A EP1938465A4 EP 1938465 A4 EP1938465 A4 EP 1938465A4 EP 06773184 A EP06773184 A EP 06773184A EP 06773184 A EP06773184 A EP 06773184A EP 1938465 A4 EP1938465 A4 EP 1938465A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- cdma system
- optimal weights
- time equalizer
- multicode cdma
- mmse space
- 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.)
- Withdrawn
Links
Classifications
-
- 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
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
- H04B7/0842—Weighted combining
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/005—Control of transmission; Equalising
-
- 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
-
- 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
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
- H04B7/0842—Weighted combining
- H04B7/0848—Joint weighting
- H04B7/0854—Joint weighting using error minimizing algorithms, e.g. minimum mean squared error [MMSE], "cross-correlation" or matrix inversion
-
- 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
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0891—Space-time diversity
- H04B7/0897—Space-time diversity using beamforming per multi-path, e.g. to cope with different directions of arrival [DOA] at different multi-paths
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Radio Transmission System (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/284,601 US8780957B2 (en) | 2005-01-14 | 2005-11-21 | Optimal weights for MMSE space-time equalizer of multicode CDMA system |
PCT/US2006/023210 WO2007001867A2 (en) | 2005-01-14 | 2006-06-14 | Optimal weights for mmse space-time equalizer of multicode cdma system |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1938465A2 EP1938465A2 (en) | 2008-07-02 |
EP1938465A4 true EP1938465A4 (en) | 2012-08-08 |
Family
ID=39469929
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06773184A Withdrawn EP1938465A4 (en) | 2005-11-21 | 2006-06-14 | Optimal weights for mmse space-time equalizer of multicode cdma system |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1938465A4 (en) |
JP (3) | JP5745748B2 (en) |
KR (1) | KR101019397B1 (en) |
CN (1) | CN101310450B (en) |
TW (2) | TWI345904B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8923377B2 (en) | 2011-05-13 | 2014-12-30 | Nokia Corporation | Methods and devices for receipt of imbalanced transmission signal |
US9166855B2 (en) * | 2013-03-11 | 2015-10-20 | Sony Corporation | MIMO communication method, MIMO transmitting device, and MIMO receiving device |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020054621A1 (en) * | 2000-10-11 | 2002-05-09 | Mun Geon Kyeong | Apparatus and method for very high performance space-time array reception processing using chip-level beamforming and fading rate adaptation |
EP1265373A2 (en) * | 2001-06-07 | 2002-12-11 | Lg Electronics Inc. | Signal processing method and apparatus in CDMA radio communication system |
EP1471663A2 (en) * | 2003-04-25 | 2004-10-27 | Samsung Electronics Co., Ltd. | Transmit diversity system, method and computer program product |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5777910A (en) * | 1996-11-19 | 1998-07-07 | Thomson Multimedia S.A. | Sparse equalization filter adaptive in two dimensions |
US7359466B2 (en) * | 2001-08-24 | 2008-04-15 | Lucent Technologies Inc. | Signal detection by a receiver in a multiple antenna time-dispersive system |
US20030142762A1 (en) | 2002-01-11 | 2003-07-31 | Burke Joseph P. | Wireless receiver method and apparatus using space-cover-time equalization |
US7356073B2 (en) * | 2003-09-10 | 2008-04-08 | Nokia Corporation | Method and apparatus providing an advanced MIMO receiver that includes a signal-plus-residual-interference (SPRI) detector |
US7780886B2 (en) * | 2003-10-21 | 2010-08-24 | Certainteed Corporation | Insulation product having directional facing layer thereon and method of making the same |
US7904039B2 (en) * | 2004-01-30 | 2011-03-08 | UNIVERSITé LAVAL | Multi-user adaptive array receiver and method |
US7324583B2 (en) * | 2004-02-13 | 2008-01-29 | Nokia Corporation | Chip-level or symbol-level equalizer structure for multiple transmit and receiver antenna configurations |
-
2006
- 2006-06-14 CN CN200680043068.1A patent/CN101310450B/en not_active Expired - Fee Related
- 2006-06-14 TW TW095121238A patent/TWI345904B/en not_active IP Right Cessation
- 2006-06-14 KR KR1020087015135A patent/KR101019397B1/en not_active IP Right Cessation
- 2006-06-14 EP EP06773184A patent/EP1938465A4/en not_active Withdrawn
- 2006-06-14 TW TW098143726A patent/TW201015928A/en unknown
- 2006-06-14 JP JP2008542298A patent/JP5745748B2/en not_active Expired - Fee Related
-
2011
- 2011-10-19 JP JP2011229606A patent/JP5512627B2/en not_active Expired - Fee Related
-
2013
- 2013-10-11 JP JP2013214242A patent/JP5722407B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020054621A1 (en) * | 2000-10-11 | 2002-05-09 | Mun Geon Kyeong | Apparatus and method for very high performance space-time array reception processing using chip-level beamforming and fading rate adaptation |
EP1265373A2 (en) * | 2001-06-07 | 2002-12-11 | Lg Electronics Inc. | Signal processing method and apparatus in CDMA radio communication system |
EP1471663A2 (en) * | 2003-04-25 | 2004-10-27 | Samsung Electronics Co., Ltd. | Transmit diversity system, method and computer program product |
Non-Patent Citations (1)
Title |
---|
See also references of WO2007001867A2 * |
Also Published As
Publication number | Publication date |
---|---|
JP2012095295A (en) | 2012-05-17 |
JP2014053927A (en) | 2014-03-20 |
CN101310450B (en) | 2016-03-09 |
KR20080069266A (en) | 2008-07-25 |
TWI345904B (en) | 2011-07-21 |
JP5512627B2 (en) | 2014-06-04 |
KR101019397B1 (en) | 2011-03-07 |
TW200721752A (en) | 2007-06-01 |
TW201015928A (en) | 2010-04-16 |
JP5722407B2 (en) | 2015-05-20 |
JP5745748B2 (en) | 2015-07-08 |
JP2009516986A (en) | 2009-04-23 |
EP1938465A2 (en) | 2008-07-02 |
CN101310450A (en) | 2008-11-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20080320 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR |
|
DAX | Request for extension of the european patent (deleted) | ||
A4 | Supplementary search report drawn up and despatched |
Effective date: 20120705 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: H04L 27/22 20060101ALI20120629BHEP Ipc: H03H 7/30 20060101ALI20120629BHEP Ipc: H04B 7/216 20060101ALI20120629BHEP Ipc: H04B 1/69 20110101AFI20120629BHEP Ipc: H04L 27/06 20060101ALI20120629BHEP Ipc: H04B 7/08 20060101ALI20120629BHEP |
|
17Q | First examination report despatched |
Effective date: 20160726 |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
INTG | Intention to grant announced |
Effective date: 20180103 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20180515 |