CN1751444B - 多输入多输出无线装置中相位与振幅偏移作用校正的技术 - Google Patents
多输入多输出无线装置中相位与振幅偏移作用校正的技术 Download PDFInfo
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- CN1751444B CN1751444B CN038214172A CN03821417A CN1751444B CN 1751444 B CN1751444 B CN 1751444B CN 038214172 A CN038214172 A CN 038214172A CN 03821417 A CN03821417 A CN 03821417A CN 1751444 B CN1751444 B CN 1751444B
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/11—Monitoring; Testing of transmitters for calibration
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B1/0475—Circuits with means for limiting noise, interference or distortion
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B1/0483—Transmitters with multiple parallel paths
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/21—Monitoring; Testing of receivers for calibration; for correcting measurements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Radio Transmission System (AREA)
- Networks Using Active Elements (AREA)
Abstract
Description
Claims (53)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US40967702P | 2002-09-10 | 2002-09-10 | |
US60/409,677 | 2002-09-10 | ||
US10/457,293 | 2003-06-09 | ||
US10/457,293 US7031669B2 (en) | 2002-09-10 | 2003-06-09 | Techniques for correcting for phase and amplitude offsets in a MIMO radio device |
PCT/US2003/028126 WO2004025841A2 (en) | 2002-09-10 | 2003-09-09 | Techniques for correcting for phase and amplitude offsets in a mimo radio device |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1751444A CN1751444A (zh) | 2006-03-22 |
CN1751444B true CN1751444B (zh) | 2010-05-12 |
Family
ID=31997848
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN038214172A Expired - Fee Related CN1751444B (zh) | 2002-09-10 | 2003-09-09 | 多输入多输出无线装置中相位与振幅偏移作用校正的技术 |
Country Status (14)
Country | Link |
---|---|
US (2) | US7031669B2 (zh) |
EP (1) | EP1547254B1 (zh) |
JP (1) | JP4616011B2 (zh) |
KR (2) | KR20050083684A (zh) |
CN (1) | CN1751444B (zh) |
AT (1) | ATE425595T1 (zh) |
AU (1) | AU2003270416C1 (zh) |
BR (1) | BR0314425A (zh) |
CA (1) | CA2498676A1 (zh) |
DE (1) | DE60326612D1 (zh) |
GE (1) | GEP20074248B (zh) |
MX (1) | MXPA05002678A (zh) |
NO (1) | NO20051751L (zh) |
WO (1) | WO2004025841A2 (zh) |
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WO2004025841A3 (en) | 2004-05-27 |
MXPA05002678A (es) | 2005-10-26 |
BR0314425A (pt) | 2005-08-02 |
KR20070061917A (ko) | 2007-06-14 |
JP2005538666A (ja) | 2005-12-15 |
US20040048584A1 (en) | 2004-03-11 |
NO20051751L (no) | 2005-06-08 |
US20040219892A1 (en) | 2004-11-04 |
US7031669B2 (en) | 2006-04-18 |
ATE425595T1 (de) | 2009-03-15 |
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