IT1148151B - Perfezionamento nei sistemi di commutazione e combinazione di segnali - Google Patents
Perfezionamento nei sistemi di commutazione e combinazione di segnaliInfo
- Publication number
- IT1148151B IT1148151B IT48090/82A IT4809082A IT1148151B IT 1148151 B IT1148151 B IT 1148151B IT 48090/82 A IT48090/82 A IT 48090/82A IT 4809082 A IT4809082 A IT 4809082A IT 1148151 B IT1148151 B IT 1148151B
- Authority
- IT
- Italy
- Prior art keywords
- improvement
- signal switching
- combination systems
- systems
- combination
- 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
- H04B7/0868—Hybrid systems, i.e. switching and combining
- H04B7/0874—Hybrid systems, i.e. switching and combining using subgroups of receive 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
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0868—Hybrid systems, i.e. switching and combining
- H04B7/0871—Hybrid systems, i.e. switching and combining using different reception schemes, at least one of them being a diversity reception scheme
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radio Transmission System (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8109470A GB2096865B (en) | 1981-03-26 | 1981-03-26 | Diversity receivers |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8248090A0 IT8248090A0 (it) | 1982-03-25 |
IT1148151B true IT1148151B (it) | 1986-11-26 |
Family
ID=10520674
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT48090/82A IT1148151B (it) | 1981-03-26 | 1982-03-25 | Perfezionamento nei sistemi di commutazione e combinazione di segnali |
Country Status (4)
Country | Link |
---|---|
US (1) | US4450585A (it) |
FR (1) | FR2502871B1 (it) |
GB (1) | GB2096865B (it) |
IT (1) | IT1148151B (it) |
Families Citing this family (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4605902A (en) * | 1982-09-03 | 1986-08-12 | Rockwell International Corporation | Hybrid junction signal combiner |
JPS59181732A (ja) * | 1983-03-31 | 1984-10-16 | Toshiba Corp | 携帯用無線機におけるダイバ−シチ−受信方式 |
GB2144947B (en) * | 1983-07-25 | 1987-02-04 | Sony Corp | Space diversity receivers |
JPS61284125A (ja) * | 1985-06-11 | 1986-12-15 | Nec Corp | ダイバ−シチ受信方式 |
JPH0683127B2 (ja) * | 1985-07-22 | 1994-10-19 | 日本電気株式会社 | ダイバーシチ受信無線機 |
DE3916751C2 (de) * | 1989-05-23 | 1998-12-24 | Daimler Benz Aerospace Ag | Verfahren zur Detektion eines Nutzsignals |
NZ239733A (en) * | 1990-09-21 | 1994-04-27 | Ericsson Ge Mobile Communicat | Mobile telephone diversity reception with predetect signal combination |
US5239698A (en) * | 1990-09-28 | 1993-08-24 | Motorola, Inc. | Linear weighting method and device for diversity reception |
CA2052802A1 (en) * | 1990-10-11 | 1993-04-05 | Robert R. Clappier | Fm receiver anti-fading method and system |
US5203025A (en) * | 1990-11-09 | 1993-04-13 | Kovatel Communications, Ltd. | Selection circuit in a space diversity reception system for a mobile receiver |
US5740519A (en) * | 1991-05-31 | 1998-04-14 | Telefunken | Method for the time-correlated transmission of a control signal and a radio program signal |
US5666660A (en) * | 1991-05-31 | 1997-09-09 | Telefunken | System for receiving a radio signal including multiple receiving units |
US5396645A (en) * | 1992-04-09 | 1995-03-07 | Comcast Pcs Communications, Inc. | System and method for determining whether to assign a macrocell or microcell communication frequency to a mobile communication terminal |
DE4226676A1 (de) * | 1992-08-12 | 1994-02-17 | Philips Patentverwaltung | Kanalauswahleinrichtung |
US5487091A (en) * | 1993-08-13 | 1996-01-23 | Motorola, Inc. | Method for determining signal usability in a diversity receiver |
US5351274A (en) * | 1993-08-20 | 1994-09-27 | General Electric Company | Post detection selection combining diversity receivers for mobile and indoor radio channels |
US5481571A (en) * | 1993-11-12 | 1996-01-02 | Pacific Communication Sciences, Inc. | Method and apparatus for switching between radio frequency circuits |
DE4343765C2 (de) * | 1993-12-21 | 2003-11-13 | Detecon Gmbh | Steuerungssystem für die Funkversorgung in einem zellularen, digitalen Mobilkommunikationssystem |
CN1092847C (zh) * | 1994-09-14 | 2002-10-16 | 皇家菲利浦电子有限公司 | 无线电传输系统和供这种系统使用的无线电设备 |
US5610617A (en) * | 1995-07-18 | 1997-03-11 | Lucent Technologies Inc. | Directive beam selectivity for high speed wireless communication networks |
DE19637327B4 (de) * | 1996-09-13 | 2009-04-09 | Delphi Delco Electronics Europe Gmbh | Frequenzdiversity-Anordnung |
US5845199A (en) * | 1996-12-05 | 1998-12-01 | Ericsson Inc. | Simulcasting system with diversity reception |
US6172970B1 (en) * | 1997-05-05 | 2001-01-09 | The Hong Kong University Of Science And Technology | Low-complexity antenna diversity receiver |
US6185266B1 (en) * | 1997-10-07 | 2001-02-06 | Motorola, Inc. | Method and system for generating a power control metric in an orthogonal transmit diversity communication system |
US6577353B1 (en) * | 1999-10-21 | 2003-06-10 | General Electric Company | Optimization of television reception by selecting among or combining multiple antenna inputs |
DE10009327C2 (de) * | 2000-02-28 | 2002-01-24 | Harman Becker Automotive Sys | Verfahren zum Identifizieren gleicher Fernseh- oder Videobilder |
DE10034039A1 (de) * | 2000-07-13 | 2002-01-31 | Harman Becker Automotive Sys | Runddfunkempfangssystem, Empfänger und Betriebsverfahren dafür |
EP1233556A1 (en) * | 2001-02-16 | 2002-08-21 | Sony International (Europe) GmbH | Receiver for receiving broadcast signals, comprising two tuners, for receiving a broadcast signal transmitted on two different broadcast frequencies or using two different broadcast systems |
GB2374219B (en) * | 2001-04-06 | 2004-10-13 | Nokia Corp | A receiver |
US7747232B2 (en) * | 2001-07-13 | 2010-06-29 | Harman Becker Automotive Systems Gmbh | Radio reception system with automatic tuning |
CN2749181Y (zh) * | 2004-12-28 | 2005-12-28 | 精恒科技集团有限公司 | 多天线接收输出处理装置 |
US7912111B2 (en) * | 2005-12-29 | 2011-03-22 | Trimble Navigation Ltd | Dynamic switching of carrier tracking loops without loss of tracking information |
US20110001886A1 (en) * | 2009-07-01 | 2011-01-06 | Tien-Ju Tsai | Carrier tracking system and method |
CN102474332B (zh) * | 2009-07-17 | 2015-04-01 | 飞思卡尔半导体公司 | 分集式接收器和收发器 |
FR2950505B1 (fr) * | 2009-09-22 | 2014-12-19 | Stephane Canet | Procede permettant de commander a distance l'execution d'au moins une fonction d'un systeme informatique. |
US8331887B2 (en) * | 2009-12-30 | 2012-12-11 | Silicon Laboratories Inc. | Antenna diversity system with multiple tuner circuits having multiple operating modes and methods |
US20110158298A1 (en) * | 2009-12-30 | 2011-06-30 | Silicon Laboratories, Inc. | Tuner circuit with an inter-chip transmitter and method of providing an inter-chip link frame |
US8548031B2 (en) * | 2009-12-30 | 2013-10-01 | Silicon Laboratories Inc. | Antenna diversity system with frame synchronization |
US8706058B2 (en) | 2011-03-24 | 2014-04-22 | Honeywell International Inc. | RF data transfer in a spherical cavity |
US9178592B1 (en) * | 2014-07-24 | 2015-11-03 | Silicon Laboratories Inc. | Systems and methods using multiple inter-chip (IC) links for antenna diversity and/or debug |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1248121B (de) * | 1960-10-03 | 1967-08-24 | Sociata Italiana Telecomunicaz | Schaltungsanordnung zur Gewinnung eines kombinierten Ausgangssignals aus zwei Einzelausgangssignalen zweier Diversity-Empfaenger |
US3293607A (en) * | 1961-10-20 | 1966-12-20 | David C Kalbfell | Coherent decision making receiver system |
US3471788A (en) * | 1966-07-01 | 1969-10-07 | Raytheon Co | Predetection signal processing system |
FR1499243A (fr) * | 1966-08-04 | 1967-10-27 | Thomson Houston Comp Francaise | Perfectionnements aux procédés et dispositifs de réception en diversité |
US3593147A (en) * | 1969-03-04 | 1971-07-13 | Itt | Equal gain diversity receiving system with squelch |
JPS51135411A (en) * | 1975-05-20 | 1976-11-24 | Toshiba Corp | Arriving power comporison circuit |
JPS5836539B2 (ja) * | 1975-12-08 | 1983-08-10 | ソニー株式会社 | ジユシンソウチ |
GB1588367A (en) * | 1977-10-18 | 1981-04-23 | Parker B D | Apparatus for selecting one of a plurality of receivers receiving a signal from a single common source |
JPS54112117A (en) * | 1978-02-22 | 1979-09-01 | Nec Corp | Composing receiver |
CH630498A5 (de) * | 1978-05-11 | 1982-06-15 | Patelhold Patentverwertung | Anordnung zum automatischen umschalten von parallel betriebenen richtfunkanlagen. |
-
1981
- 1981-03-26 GB GB8109470A patent/GB2096865B/en not_active Expired
-
1982
- 1982-03-18 US US06/359,312 patent/US4450585A/en not_active Expired - Fee Related
- 1982-03-24 FR FR8204979A patent/FR2502871B1/fr not_active Expired
- 1982-03-25 IT IT48090/82A patent/IT1148151B/it active
Also Published As
Publication number | Publication date |
---|---|
GB2096865A (en) | 1982-10-20 |
FR2502871B1 (fr) | 1986-07-25 |
IT8248090A0 (it) | 1982-03-25 |
GB2096865B (en) | 1984-12-12 |
US4450585A (en) | 1984-05-22 |
FR2502871A1 (fr) | 1982-10-01 |
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