FR1172320A - Système de réception d'ondes radioélectriques en diversité - Google Patents

Système de réception d'ondes radioélectriques en diversité

Info

Publication number
FR1172320A
FR1172320A FR1172320DA FR1172320A FR 1172320 A FR1172320 A FR 1172320A FR 1172320D A FR1172320D A FR 1172320DA FR 1172320 A FR1172320 A FR 1172320A
Authority
FR
France
Prior art keywords
radio wave
reception system
wave reception
diversity radio
diversity
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
Other languages
English (en)
Inventor
William Sichak
Robert Thomas Adams
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR1172320A publication Critical patent/FR1172320A/fr
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
    • H04B7/0842—Weighted combining
    • H04B7/0865—Independent weighting, i.e. weights based on own antenna reception parameters
    • 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
    • H04B7/12—Frequency diversity

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Noise Elimination (AREA)
FR1172320D 1956-02-14 1957-02-13 Système de réception d'ondes radioélectriques en diversité Expired FR1172320A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US351308XA 1956-02-14 1956-02-14
US557137XA 1958-02-21 1958-02-21

Publications (1)

Publication Number Publication Date
FR1172320A true FR1172320A (fr) 1959-02-09

Family

ID=26711785

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1172320D Expired FR1172320A (fr) 1956-02-14 1957-02-13 Système de réception d'ondes radioélectriques en diversité

Country Status (5)

Country Link
BE (1) BE557137A (fr)
CH (1) CH351308A (fr)
DE (1) DE1082306B (fr)
FR (1) FR1172320A (fr)
GB (2) GB810698A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3444471A (en) * 1966-04-28 1969-05-13 Itt Diversity receiving system with a voltage controlled oscillator coupled to a crystal controlled oscillator in at least one channel
US4326294A (en) * 1979-02-13 1982-04-20 Nippon Telegraph & Telephone Public Corporation Space diversity reception system having compensation means of multipath effect
DE3121146A1 (de) * 1981-05-27 1983-01-05 Siemens AG, 1000 Berlin und 8000 München Digitales funksystem
GB2237705A (en) * 1989-11-01 1991-05-08 Gen Electric Co Plc Diversity radio receiver system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2042831A (en) * 1934-05-28 1936-06-02 Rca Corp Receiving system

Also Published As

Publication number Publication date
GB810698A (en) 1959-03-18
CH351308A (de) 1961-01-15
BE557137A (fr)
DE1082306B (de) 1960-05-25
GB845847A (en) 1960-08-24

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