FR2738098B1 - METHOD AND DEVICE FOR SPATIAL MULTIPLEXING OF DIGITAL RADIO-ELECTRIC SIGNALS EXCHANGED IN CELLULAR RADIOCOMMUNICATIONS - Google Patents
METHOD AND DEVICE FOR SPATIAL MULTIPLEXING OF DIGITAL RADIO-ELECTRIC SIGNALS EXCHANGED IN CELLULAR RADIOCOMMUNICATIONSInfo
- Publication number
- FR2738098B1 FR2738098B1 FR9509975A FR9509975A FR2738098B1 FR 2738098 B1 FR2738098 B1 FR 2738098B1 FR 9509975 A FR9509975 A FR 9509975A FR 9509975 A FR9509975 A FR 9509975A FR 2738098 B1 FR2738098 B1 FR 2738098B1
- Authority
- FR
- France
- Prior art keywords
- electric signals
- spatial multiplexing
- digital radio
- signals exchanged
- cellular radiocommunications
- 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.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
-
- 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
-
- 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
- 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
- H04B7/086—Weighted combining using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9509975A FR2738098B1 (en) | 1995-08-22 | 1995-08-22 | METHOD AND DEVICE FOR SPATIAL MULTIPLEXING OF DIGITAL RADIO-ELECTRIC SIGNALS EXCHANGED IN CELLULAR RADIOCOMMUNICATIONS |
DK96929359T DK0846378T3 (en) | 1995-08-22 | 1996-08-22 | Method and apparatus for spatial multiplexing and demultiplexing of radioelectric signals in an SDMA mobile radio |
EP96929359A EP0846378B1 (en) | 1995-08-22 | 1996-08-22 | Method and device for spatial multiplexing-demultiplexing of radio signals for an sdma mobile radio system |
DE69604595T DE69604595T2 (en) | 1995-08-22 | 1996-08-22 | METHOD AND ARRANGEMENT FOR SPATIAL MULTIPLEXING / DEMULTIPLEXING OF RADIO SIGNALS IN AN SDMA MOBILE RADIO SYSTEM |
US09/011,477 US6240098B1 (en) | 1995-08-22 | 1996-08-22 | Method and device for space division multiplexing of radio signals transmitted in cellular radio communications |
PCT/FR1996/001307 WO1997008849A1 (en) | 1995-08-22 | 1996-08-22 | Method and device for spatial multiplexing-demultiplexing of radio signals for an sdma mobile radio system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9509975A FR2738098B1 (en) | 1995-08-22 | 1995-08-22 | METHOD AND DEVICE FOR SPATIAL MULTIPLEXING OF DIGITAL RADIO-ELECTRIC SIGNALS EXCHANGED IN CELLULAR RADIOCOMMUNICATIONS |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2738098A1 FR2738098A1 (en) | 1997-02-28 |
FR2738098B1 true FR2738098B1 (en) | 1997-09-26 |
Family
ID=9482027
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9509975A Expired - Fee Related FR2738098B1 (en) | 1995-08-22 | 1995-08-22 | METHOD AND DEVICE FOR SPATIAL MULTIPLEXING OF DIGITAL RADIO-ELECTRIC SIGNALS EXCHANGED IN CELLULAR RADIOCOMMUNICATIONS |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2738098B1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PL341386A1 (en) * | 1998-11-05 | 2001-04-09 | Motorola Inc | Multiplication of telecommunication channels |
JP3258973B2 (en) * | 1999-03-24 | 2002-02-18 | 三洋電機株式会社 | Transmission channel allocation method and wireless device using the same |
JP3229864B2 (en) | 1999-03-24 | 2001-11-19 | 三洋電機株式会社 | Transmission channel allocation method and wireless device using the same |
JP3449348B2 (en) | 2000-09-29 | 2003-09-22 | 日本電気株式会社 | Correlation matrix learning method and apparatus, and storage medium |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5515378A (en) * | 1991-12-12 | 1996-05-07 | Arraycomm, Inc. | Spatial division multiple access wireless communication systems |
-
1995
- 1995-08-22 FR FR9509975A patent/FR2738098B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2738098A1 (en) | 1997-02-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CL | Concession to grant licenses | ||
ST | Notification of lapse |