CA2343900A1 - Method for reference signal generation in the presence of frequency offsets in a communications station with spatial processing - Google Patents
Method for reference signal generation in the presence of frequency offsets in a communications station with spatial processing Download PDFInfo
- Publication number
- CA2343900A1 CA2343900A1 CA002343900A CA2343900A CA2343900A1 CA 2343900 A1 CA2343900 A1 CA 2343900A1 CA 002343900 A CA002343900 A CA 002343900A CA 2343900 A CA2343900 A CA 2343900A CA 2343900 A1 CA2343900 A1 CA 2343900A1
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- Prior art keywords
- signal
- phase
- ideal
- sample
- reference signal
- 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.)
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Links
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/22—Demodulator circuits; Receiver circuits
- H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
- H04L27/2332—Demodulator circuits; Receiver circuits using non-coherent demodulation using a non-coherent carrier
-
- 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
- H04B7/0851—Joint weighting using training sequences or error signal
-
- 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
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0024—Carrier regulation at the receiver end
- H04L2027/0026—Correction of carrier offset
- H04L2027/003—Correction of carrier offset at baseband only
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0044—Control loops for carrier regulation
- H04L2027/0046—Open loops
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0083—Signalling arrangements
- H04L2027/0089—In-band signals
- H04L2027/0093—Intermittant signals
- H04L2027/0095—Intermittant signals in a preamble or similar structure
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radio Transmission System (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/153,110 | 1998-09-15 | ||
| US09/153,110 US6275543B1 (en) | 1996-10-11 | 1998-09-15 | Method for reference signal generation in the presence of frequency offsets in a communications station with spatial processing |
| PCT/US1999/018924 WO2000016500A1 (en) | 1998-09-15 | 1999-08-17 | Method for reference signal generation in the presence of frequency offsets in a communications station with spatial processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2343900A1 true CA2343900A1 (en) | 2000-03-23 |
Family
ID=22545809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002343900A Abandoned CA2343900A1 (en) | 1998-09-15 | 1999-08-17 | Method for reference signal generation in the presence of frequency offsets in a communications station with spatial processing |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US6275543B1 (enExample) |
| EP (1) | EP1114529A1 (enExample) |
| JP (1) | JP2002525908A (enExample) |
| CN (1) | CN1139200C (enExample) |
| AU (1) | AU5573499A (enExample) |
| CA (1) | CA2343900A1 (enExample) |
| WO (1) | WO2000016500A1 (enExample) |
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-
1998
- 1998-09-15 US US09/153,110 patent/US6275543B1/en not_active Expired - Lifetime
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1999
- 1999-08-17 AU AU55734/99A patent/AU5573499A/en not_active Abandoned
- 1999-08-17 JP JP2000570918A patent/JP2002525908A/ja active Pending
- 1999-08-17 CN CNB998132837A patent/CN1139200C/zh not_active Expired - Fee Related
- 1999-08-17 CA CA002343900A patent/CA2343900A1/en not_active Abandoned
- 1999-08-17 WO PCT/US1999/018924 patent/WO2000016500A1/en not_active Ceased
- 1999-08-17 EP EP99942334A patent/EP1114529A1/en not_active Withdrawn
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2001
- 2001-06-06 US US09/877,807 patent/US6690747B2/en not_active Expired - Lifetime
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|---|---|
| US6690747B2 (en) | 2004-02-10 |
| US20010031022A1 (en) | 2001-10-18 |
| US6275543B1 (en) | 2001-08-14 |
| CN1326623A (zh) | 2001-12-12 |
| WO2000016500A1 (en) | 2000-03-23 |
| JP2002525908A (ja) | 2002-08-13 |
| CN1139200C (zh) | 2004-02-18 |
| EP1114529A1 (en) | 2001-07-11 |
| AU5573499A (en) | 2000-04-03 |
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