DK508986A - Multipel modtagning, der er styret af signalkvaliteten - Google Patents
Multipel modtagning, der er styret af signalkvalitetenInfo
- Publication number
- DK508986A DK508986A DK508986A DK508986A DK508986A DK 508986 A DK508986 A DK 508986A DK 508986 A DK508986 A DK 508986A DK 508986 A DK508986 A DK 508986A DK 508986 A DK508986 A DK 508986A
- Authority
- DK
- Denmark
- Prior art keywords
- signal quality
- multiple reception
- managed
- reception managed
- quality
- Prior art date
Links
Classifications
-
- 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
-
- 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
- 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
- H04B7/0814—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 based on current reception conditions, e.g. switching to different antenna when signal level is below threshold
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radio Transmission System (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/712,285 US4584713A (en) | 1983-07-06 | 1985-03-15 | Signal quality steered diversity |
PCT/US1986/000331 WO1986005639A1 (en) | 1985-03-15 | 1986-02-18 | Signal quality steered diversity |
Publications (2)
Publication Number | Publication Date |
---|---|
DK508986A true DK508986A (da) | 1986-10-24 |
DK508986D0 DK508986D0 (da) | 1986-10-24 |
Family
ID=24861490
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK508986A DK508986D0 (da) | 1985-03-15 | 1986-10-24 | Multipel modtagning, der er styret af signalkvaliteten |
Country Status (9)
Country | Link |
---|---|
US (1) | US4584713A (da) |
EP (1) | EP0218605A4 (da) |
JP (1) | JPS62502231A (da) |
KR (1) | KR880700556A (da) |
CN (1) | CN86101654A (da) |
AU (1) | AU5513786A (da) |
CA (1) | CA1242250A (da) |
DK (1) | DK508986D0 (da) |
WO (1) | WO1986005639A1 (da) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5168574A (en) * | 1987-08-03 | 1992-12-01 | Orion Industries, Inc. | System and method for switching between antennas in a radio frequency booster |
DE3827310C2 (de) * | 1987-08-12 | 1995-06-22 | Pioneer Electronic Corp | Verfahren zur Steuerung der Frequenzabstimmung eines Rundfunkdatensystem-Empfängers |
US5243356A (en) * | 1988-08-05 | 1993-09-07 | Seiko Epson Corporation | Antenna circuit and wrist radio instrument |
US5048116A (en) * | 1989-05-24 | 1991-09-10 | Motorola, Inc. | Signal routing system |
US5036515A (en) * | 1989-05-30 | 1991-07-30 | Motorola, Inc. | Bit error rate detection |
DE4001592A1 (de) * | 1989-10-25 | 1991-05-02 | Philips Patentverwaltung | Empfaenger fuer digitales uebertragungssystem |
US5109536A (en) * | 1989-10-27 | 1992-04-28 | Motorola, Inc. | Single-block filter for antenna duplexing and antenna-summed diversity |
FR2655801B1 (fr) * | 1989-12-08 | 1992-03-13 | Charbonnages De France | Procede et dispositif de transmission de signaux video en milieu confine. |
US5621769A (en) * | 1992-06-08 | 1997-04-15 | Novatel Communications Ltd. | Adaptive-sequence-estimation apparatus employing diversity combining/selection |
SE513422C2 (sv) * | 1992-08-21 | 2000-09-11 | Ericsson Telefon Ab L M | Förfarande för bildande av kvalitetsmått för signalskurar |
US5430769A (en) * | 1992-11-23 | 1995-07-04 | Motorola, Inc. | Method and apparatus for controlling switched antenna diversity systems |
AU7925194A (en) * | 1993-09-30 | 1995-04-18 | Pacific Communication Sciences, Inc. | Multiple antenna home base for digital cordless telephones |
US5530926A (en) * | 1993-10-04 | 1996-06-25 | Motorola, Inc. | Method for operating a switched diversity RF receiver |
DE4437490C2 (de) * | 1993-12-02 | 1996-07-25 | Gros Gerhard | Hochfrequenz-Empfangseinrichtung für besondere Sicherheitsanforderungen |
JP3866283B2 (ja) * | 1994-09-14 | 2007-01-10 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 無線伝送システム及びこのシステムに用いる無線装置 |
US6018651A (en) * | 1995-11-29 | 2000-01-25 | Motorola, Inc. | Radio subscriber unit having a switched antenna diversity apparatus and method therefor |
US6023615A (en) * | 1995-11-29 | 2000-02-08 | Motorola, Inc. | Method for controlling a diversity receiver apparatus in a radio subscriber unit |
US5940452A (en) * | 1995-11-29 | 1999-08-17 | Motorola, Inc. | Dual mode radio subscriber unit having a diversity receiver apparatus and method therefor |
US6079367A (en) * | 1997-10-10 | 2000-06-27 | Dogwatch, Inc. | Animal training apparatus and method |
US5940454A (en) * | 1997-12-17 | 1999-08-17 | Nortel Networks Corporation | Blind switch diversity control apparatus |
US6360088B1 (en) * | 1998-09-23 | 2002-03-19 | Ericsson Inc. | Antenna diversity switching system and method for selecting an antenna through a programmed evaluation |
DE19953728B4 (de) * | 1999-11-08 | 2007-03-08 | Harman Becker Automotive Systems Gmbh | Verfahren zur Auswahl einer von mehreren Antennen in einer Antennendiversity-Empfangsanlage sowie Antennendiversity-Empfangsanlage |
US6486828B1 (en) | 2000-07-26 | 2002-11-26 | Western Multiplex | Adaptive array antenna nulling |
EP1665457A1 (en) * | 2003-09-15 | 2006-06-07 | LG Telecom, Ltd. | Beam switching antenna system and method and apparatus for controlling the same |
CN102457311B (zh) * | 2010-10-19 | 2014-12-17 | 瑞昱半导体股份有限公司 | 天线分集系统 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3628149A (en) * | 1968-12-19 | 1971-12-14 | Bell Telephone Labor Inc | Diversity switch for digital transmission |
US3651406A (en) * | 1969-10-03 | 1972-03-21 | Magnavox Co | System for plural channel signal reception and readout and method of operation |
DE2360929C2 (de) * | 1973-12-06 | 1975-07-17 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Schaltungsanordnung zur Auswahl eines Diversitykanals über den Daten in Form von Bits übertragen werden |
JPS5439093B2 (da) * | 1974-08-24 | 1979-11-26 | ||
JPS5732535B2 (da) * | 1975-02-17 | 1982-07-12 | ||
JPS58202642A (ja) * | 1982-05-21 | 1983-11-25 | Nec Corp | スペ−スダイバ−シテイ受信装置 |
US4584709A (en) * | 1983-07-06 | 1986-04-22 | Motorola, Inc. | Homotropic antenna system for portable radio |
AU3150284A (en) * | 1983-07-06 | 1985-02-07 | Motorola, Inc. | Signal quality steered diversity |
-
1985
- 1985-03-15 US US06/712,285 patent/US4584713A/en not_active Expired - Lifetime
-
1986
- 1986-02-18 JP JP61501258A patent/JPS62502231A/ja active Pending
- 1986-02-18 EP EP19860901644 patent/EP0218605A4/en not_active Withdrawn
- 1986-02-18 WO PCT/US1986/000331 patent/WO1986005639A1/en not_active Application Discontinuation
- 1986-02-18 AU AU55137/86A patent/AU5513786A/en not_active Abandoned
- 1986-02-19 CA CA000502155A patent/CA1242250A/en not_active Expired
- 1986-03-14 CN CN198686101654A patent/CN86101654A/zh active Pending
- 1986-10-24 DK DK508986A patent/DK508986D0/da not_active Application Discontinuation
- 1986-11-14 KR KR860700808A patent/KR880700556A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
CA1242250A (en) | 1988-09-20 |
WO1986005639A1 (en) | 1986-09-25 |
EP0218605A1 (en) | 1987-04-22 |
JPS62502231A (ja) | 1987-08-27 |
EP0218605A4 (en) | 1987-10-08 |
US4584713A (en) | 1986-04-22 |
AU5513786A (en) | 1986-10-13 |
DK508986D0 (da) | 1986-10-24 |
KR880700556A (ko) | 1988-03-15 |
CN86101654A (zh) | 1987-02-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AHB | Application shelved due to non-payment |