CA2166557A1 - Systeme de television cellulaire point-multipoint - Google Patents
Systeme de television cellulaire point-multipointInfo
- Publication number
- CA2166557A1 CA2166557A1 CA002166557A CA2166557A CA2166557A1 CA 2166557 A1 CA2166557 A1 CA 2166557A1 CA 002166557 A CA002166557 A CA 002166557A CA 2166557 A CA2166557 A CA 2166557A CA 2166557 A1 CA2166557 A1 CA 2166557A1
- Authority
- CA
- Canada
- Prior art keywords
- point
- transmission system
- television transmission
- multipoint
- stations
- 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.)
- Abandoned
Links
- 230000001413 cellular effect Effects 0.000 title claims abstract description 52
- 230000005540 biological transmission Effects 0.000 title claims abstract 20
- 230000010287 polarization Effects 0.000 claims description 4
- 230000003455 independent Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000001702 transmitter Effects 0.000 abstract 1
- 230000005236 sound signal Effects 0.000 description 8
- 150000002500 ions Chemical class 0.000 description 5
- 241000282320 Panthera leo Species 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010897 surface acoustic wave method Methods 0.000 description 2
- 241001136792 Alle Species 0.000 description 1
- 101100134298 Bacillus subtilis (strain 168) nucA gene Proteins 0.000 description 1
- 101100491817 Caenorhabditis elegans evl-20 gene Proteins 0.000 description 1
- 101100255205 Caenorhabditis elegans rsa-2 gene Proteins 0.000 description 1
- 101100400378 Mus musculus Marveld2 gene Proteins 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- XDDAORKBJWWYJS-UHFFFAOYSA-N glyphosate Chemical compound OC(=O)CNCP(O)(O)=O XDDAORKBJWWYJS-UHFFFAOYSA-N 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- VMXUWOKSQNHOCA-UKTHLTGXSA-N ranitidine Chemical compound [O-][N+](=O)\C=C(/NC)NCCSCC1=CC=C(CN(C)C)O1 VMXUWOKSQNHOCA-UKTHLTGXSA-N 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/65—Arrangements characterised by transmission systems for broadcast
- H04H20/67—Common-wave systems, i.e. using separate transmitters operating on substantially the same frequency
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/28—Combinations of substantially independent non-interacting antenna units or systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/06—Systems for the simultaneous transmission of one television signal, i.e. both picture and sound, by more than one carrier
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/10—Adaptations for transmission by electrical cable
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/20—Adaptations for transmission via a GHz frequency band, e.g. via satellite
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Radio Relay Systems (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP94201249.3 | 1994-05-06 | ||
| EP94201249 | 1994-05-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2166557A1 true CA2166557A1 (fr) | 1995-11-16 |
Family
ID=8216847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002166557A Abandoned CA2166557A1 (fr) | 1994-05-06 | 1995-05-03 | Systeme de television cellulaire point-multipoint |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0707773A1 (fr) |
| JP (1) | JPH08512449A (fr) |
| AU (1) | AU688890B2 (fr) |
| CA (1) | CA2166557A1 (fr) |
| WO (1) | WO1995031070A2 (fr) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5668610A (en) * | 1995-12-04 | 1997-09-16 | Cellularvision Technology & Telecommunications, L.P. | LMDS transmitter array with polarization-diversity sub-cells |
| SE9602302L (sv) * | 1996-06-11 | 1998-06-02 | Eurochannel Ab | System för markbaserad satellit för markbaserad lokal sändning av TV, text-TV och data |
| US5761605A (en) | 1996-10-11 | 1998-06-02 | Northpoint Technology, Ltd. | Apparatus and method for reusing satellite broadcast spectrum for terrestrially broadcast signals |
| US6356737B1 (en) | 1996-12-01 | 2002-03-12 | Claes Lorentz Uno Wellton Persson | Terrestrial communication system using satellite transmission techniques |
| SE523594C2 (sv) * | 1997-11-14 | 2004-05-04 | Ericsson Telefon Ab L M | Datakopplingsanordning och förfarande för informationsöverföring i ett cellulärt mobilsystem |
| AU753882B2 (en) * | 1998-02-11 | 2002-10-31 | Richard Freyer | Micro wave cellular architecture |
| AUPP178298A0 (en) | 1998-02-11 | 1998-03-05 | Freyer, Richard | Micro wave cellular architecture |
| FR2776145B1 (fr) * | 1998-03-13 | 2000-07-28 | Thomson Multimedia Sa | Systeme et procede de transmission de signaux |
| SE514624C2 (sv) * | 1998-12-22 | 2001-03-26 | Ericsson Telefon Ab L M | Förfarande och arrangemang för att upprätta en länk mellan två fasta noder i ett mobilradiosystem genom användning av adaptiva antenner och en reflekterande kropp |
| JP3838487B2 (ja) | 2001-08-10 | 2006-10-25 | 株式会社エヌ・ティ・ティ・ドコモ | 無線通信システム、通信端末装置、基地局装置、及び送信電力制御方法 |
| UA64839C2 (uk) * | 2001-10-12 | 2004-03-15 | Валерій Іванович Малєв | Мікрохвильова інтегрована телерадіоінформаційна система (мітріс) |
| SI21946A (sl) * | 2004-11-17 | 2006-06-30 | Boris Sijanec | Mikrovalovni hibridni dvosmerni distribucijski komunikacijski sistem |
| JP4416704B2 (ja) * | 2005-07-01 | 2010-02-17 | シャープ株式会社 | 無線伝送システム |
| GB2505944A (en) * | 2012-09-17 | 2014-03-19 | Canon Kk | A video projector, a duster of video projectors and a method for wirelessly transmitting image data within the cluster of video projectors |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4249181A (en) * | 1979-03-08 | 1981-02-03 | Bell Telephone Laboratories, Incorporated | Cellular mobile radiotelephone system using tilted antenna radiation patterns |
| US4750036A (en) * | 1986-05-14 | 1988-06-07 | Radio Telcom & Technology, Inc. | Interactive television and data transmission system |
| US4747160A (en) * | 1987-03-13 | 1988-05-24 | Suite 12 Group | Low power multi-function cellular television system |
| GB8925910D0 (en) * | 1989-11-16 | 1990-01-04 | Marconi Co Ltd | Arrangements for providing contiguous broadcast coverage |
| US5212830A (en) * | 1991-05-31 | 1993-05-18 | International Mobile Machines Corporation | Radio frequency communications system |
-
1995
- 1995-05-03 JP JP7528813A patent/JPH08512449A/ja active Pending
- 1995-05-03 AU AU22229/95A patent/AU688890B2/en not_active Ceased
- 1995-05-03 EP EP95915297A patent/EP0707773A1/fr not_active Ceased
- 1995-05-03 CA CA002166557A patent/CA2166557A1/fr not_active Abandoned
- 1995-05-03 WO PCT/IB1995/000313 patent/WO1995031070A2/fr not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| WO1995031070A3 (fr) | 1995-12-21 |
| AU2222995A (en) | 1995-11-29 |
| AU688890B2 (en) | 1998-03-19 |
| EP0707773A1 (fr) | 1996-04-24 |
| WO1995031070A2 (fr) | 1995-11-16 |
| JPH08512449A (ja) | 1996-12-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |