WO2005081862A3 - Wireless node location mechanism using antenna pattern diversity to enhance accuracy of location estimates - Google Patents
Wireless node location mechanism using antenna pattern diversity to enhance accuracy of location estimates Download PDFInfo
- Publication number
- WO2005081862A3 WO2005081862A3 PCT/US2005/005184 US2005005184W WO2005081862A3 WO 2005081862 A3 WO2005081862 A3 WO 2005081862A3 US 2005005184 W US2005005184 W US 2005005184W WO 2005081862 A3 WO2005081862 A3 WO 2005081862A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- wireless node
- location
- antenna pattern
- pattern diversity
- enhance accuracy
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
- G01S5/14—Determining absolute distances from a plurality of spaced points of known location
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
- G01S5/0252—Radio frequency fingerprinting
- G01S5/02521—Radio frequency fingerprinting using a radio-map
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/27—Monitoring; Testing of receivers for locating or positioning the transmitter
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/318—Received signal strength
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/391—Modelling the propagation channel
-
- 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
- H04B7/0802—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 antenna selection
- H04B7/0805—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 antenna selection with single receiver and antenna switching
Abstract
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05732382.6A EP1721478B1 (en) | 2004-02-20 | 2005-02-18 | Wireless node location mechanism using antenna pattern diversity to enhance accuracy of location estimates |
CA2555614A CA2555614C (en) | 2004-02-20 | 2005-02-18 | Wireless node location mechanism using antenna pattern diversity to enhance accuracy of location estimates |
CN2005800045073A CN101341765B (en) | 2004-02-20 | 2005-02-18 | Wireless node location mechanism using antenna pattern diversity to enhance accuracy of location estimates |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/783,186 | 2004-02-20 | ||
US10/783,186 US7260408B2 (en) | 2004-02-20 | 2004-02-20 | Wireless node location mechanism using antenna pattern diversity to enhance accuracy of location estimates |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2005081862A2 WO2005081862A2 (en) | 2005-09-09 |
WO2005081862A3 true WO2005081862A3 (en) | 2006-09-28 |
Family
ID=34861172
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2005/005184 WO2005081862A2 (en) | 2004-02-20 | 2005-02-18 | Wireless node location mechanism using antenna pattern diversity to enhance accuracy of location estimates |
Country Status (5)
Country | Link |
---|---|
US (2) | US7260408B2 (en) |
EP (1) | EP1721478B1 (en) |
CN (1) | CN101341765B (en) |
CA (1) | CA2555614C (en) |
WO (1) | WO2005081862A2 (en) |
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CA2555614A1 (en) | 2005-09-09 |
US20070225039A1 (en) | 2007-09-27 |
WO2005081862A2 (en) | 2005-09-09 |
CA2555614C (en) | 2011-05-03 |
EP1721478A2 (en) | 2006-11-15 |
US20050185618A1 (en) | 2005-08-25 |
CN101341765A (en) | 2009-01-07 |
EP1721478A4 (en) | 2011-03-02 |
US7532896B2 (en) | 2009-05-12 |
EP1721478B1 (en) | 2014-07-23 |
US7260408B2 (en) | 2007-08-21 |
CN101341765B (en) | 2012-05-16 |
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