ES377111A1 - Sistema receptor diversity de igual ganancia, con supresor de ruidos. - Google Patents

Sistema receptor diversity de igual ganancia, con supresor de ruidos.

Info

Publication number
ES377111A1
ES377111A1 ES377111A ES377111A ES377111A1 ES 377111 A1 ES377111 A1 ES 377111A1 ES 377111 A ES377111 A ES 377111A ES 377111 A ES377111 A ES 377111A ES 377111 A1 ES377111 A1 ES 377111A1
Authority
ES
Spain
Prior art keywords
amplifiers
switches
diversity
common
output
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
Application number
ES377111A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES377111A1 publication Critical patent/ES377111A1/es
Expired legal-status Critical Current

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
    • H04B7/0837—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
    • H04B7/084—Equal gain combining, only phase adjustments
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
ES377111A 1969-03-04 1970-03-03 Sistema receptor diversity de igual ganancia, con supresor de ruidos. Expired ES377111A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US80417569A 1969-03-04 1969-03-04

Publications (1)

Publication Number Publication Date
ES377111A1 true ES377111A1 (es) 1972-06-01

Family

ID=25188357

Family Applications (1)

Application Number Title Priority Date Filing Date
ES377111A Expired ES377111A1 (es) 1969-03-04 1970-03-03 Sistema receptor diversity de igual ganancia, con supresor de ruidos.

Country Status (7)

Country Link
US (1) US3593147A (es)
BR (1) BR7017179D0 (es)
CH (1) CH517417A (es)
DE (1) DE2009687A1 (es)
ES (1) ES377111A1 (es)
FR (1) FR2037531A5 (es)
GB (1) GB1246246A (es)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3864633A (en) * 1972-08-23 1975-02-04 Sperry Rand Corp Angle diversity communication system
JPS5255310A (en) * 1975-10-30 1977-05-06 Kokusai Denshin Denwa Co Ltd Phase control circuit
GB2096865B (en) * 1981-03-26 1984-12-12 Ferranti Ltd Diversity receivers
US4494238A (en) * 1982-06-30 1985-01-15 Motorola, Inc. Multiple channel data link system
JPS6165551A (ja) * 1984-09-06 1986-04-04 Nec Corp タイミング位相制御装置
US4956864A (en) * 1987-01-27 1990-09-11 Brockman Milton H Receiver for communications satellite down-link reception
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
US5530925A (en) * 1993-08-02 1996-06-25 Harris Corporation Intermediate frequency combiner for a radio communication system
JPH07170203A (ja) * 1993-12-14 1995-07-04 Nec Corp スペースダイバーシティのスケルチ方式
JPH10501395A (ja) * 1994-06-03 1998-02-03 テレフオンアクチーボラゲツト エル エム エリクソン アンテナ用ダイバシティ結合
DE10102616A1 (de) * 2000-02-17 2001-08-23 Heinz Lindenmeier Antennendiversityanlage mit phasengeregelter Summation von Antennensignalen
US8050640B2 (en) * 2003-10-20 2011-11-01 Avaak, Inc. Diverse antenna system
EP2104182A1 (en) * 2008-01-17 2009-09-23 Raysat, Inc. Integrated antenna phased array control device
US9490886B2 (en) * 2012-02-27 2016-11-08 Qualcomm Incorporated RF beamforming in phased array application

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2979613A (en) * 1958-08-26 1961-04-11 Itt Radio diversity receiving system
CH440389A (it) * 1965-03-12 1967-07-31 Sits Soc It Telecom Siemens Disposizione circuitale atta ad effettuare operazioni di elaborazione, combinazione e allarme in ricezione nei collegamenti isofrequenziali esercizio-riserva con ponti radio a media o grande capacità

Also Published As

Publication number Publication date
CH517417A (de) 1971-12-31
DE2009687A1 (es) 1970-09-17
US3593147A (en) 1971-07-13
FR2037531A5 (es) 1970-12-31
BR7017179D0 (pt) 1973-01-04
GB1246246A (en) 1971-09-15

Similar Documents

Publication Publication Date Title
ES377111A1 (es) Sistema receptor diversity de igual ganancia, con supresor de ruidos.
US3114106A (en) Frequency diversity system
US2369268A (en) Radio repeater
US3883872A (en) System for interference signal nulling by polarization adjustment
US2951152A (en) Radio diversity receiving system
GB1352798A (en) Diversity receivers and frequency-locking circuits
GB904069A (en) Post-detection diversity combining system
GB1214746A (en) Precision interferometer navigation system
US3195049A (en) Radio diversity receiving system with automatic phase control
GB1387579A (en) Doppler radar systems
GB1295380A (es)
US3886556A (en) Multichannel direction finding receiver system
GB1287840A (es)
GB1082735A (en) Fm demodulator system
GB671143A (en) Improvements in or relating to radio diversity receiving system
GB1164684A (en) Synthetic Phase Isolator
JPS55133148A (en) Interference wave removal system
GB1180763A (en) Improvements in or relating to frequency diversity reception systems.
GB973705A (en) Low noise amplifier system
US3683386A (en) Process for the automatic tracking of the directional beam of a phased array antenna
GB1286757A (en) Predetection signal processing system
GB1171401A (en) Improvements in or relating to Automatic Tracking Radio Equipments
US3604004A (en) Dual frequency radio apparatus for data transmission and direction finding
US3992711A (en) First and fourth harmonic system
US2646566A (en) Phase-type direction finder system