FR1153634A - Système télégraphique à réception en diversité - Google Patents

Système télégraphique à réception en diversité

Info

Publication number
FR1153634A
FR1153634A FR1153634DA FR1153634A FR 1153634 A FR1153634 A FR 1153634A FR 1153634D A FR1153634D A FR 1153634DA FR 1153634 A FR1153634 A FR 1153634A
Authority
FR
France
Prior art keywords
diversity reception
telegraph system
telegraph
diversity
reception
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)
French (fr)
Inventor
John Edwin Boughtwood
Frank Howard Cusack
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 FR1153634A publication Critical patent/FR1153634A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H04L1/04—Arrangements for detecting or preventing errors in the information received by diversity reception using frequency 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
    • H04B7/0837—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
    • H04B7/0848—Joint weighting
    • H04B7/0857—Joint weighting using maximum ratio combining techniques, e.g. signal-to- interference ratio [SIR], received signal strenght indication [RSS]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
FR1153634D 1955-04-22 1956-04-20 Système télégraphique à réception en diversité Expired FR1153634A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US50305255A 1955-04-22 1955-04-22

Publications (1)

Publication Number Publication Date
FR1153634A true FR1153634A (fr) 1958-03-19

Family

ID=48183115

Family Applications (2)

Application Number Title Priority Date Filing Date
FR1153634D Expired FR1153634A (fr) 1955-04-22 1956-04-20 Système télégraphique à réception en diversité
FR855846A Expired FR79387E (fr) 1955-04-22 1961-03-16 Système télégraphique à réception en diversité

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR855846A Expired FR79387E (fr) 1955-04-22 1961-03-16 Système télégraphique à réception en diversité

Country Status (4)

Country Link
US (1) US2899548A (enEXAMPLES)
BE (1) BE547236A (enEXAMPLES)
FR (2) FR1153634A (enEXAMPLES)
GB (2) GB828072A (enEXAMPLES)

Families Citing this family (9)

* 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
US3354433A (en) * 1963-09-30 1967-11-21 Tele Signal Corp Pulse communication system
US4011511A (en) * 1974-07-24 1977-03-08 The Singer Company Frequency-shift digital data link and digital frequency detection system
GB2244189A (en) * 1990-05-17 1991-11-20 Orbitel Mobile Communications Space diversity receiver for mobile telephones
DE59009637D1 (de) * 1990-05-31 1995-10-12 Siemens Ag Kombinationsschaltung bei Raumdiversityempfang.
US5777544A (en) * 1997-03-17 1998-07-07 Intellon Corporation Apparatus and method for controlling data communications having combination of wide and narrow band frequency protocols
US6034988A (en) * 1997-08-04 2000-03-07 Intellon Corporation Spread spectrum apparatus and method for network RF data communications having extended communication channels
US6079367A (en) * 1997-10-10 2000-06-27 Dogwatch, Inc. Animal training apparatus and method
CN102472786B (zh) * 2009-07-10 2014-09-03 日本电气株式会社 电磁场测量设备和电磁场测量方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL79786C (enEXAMPLES) * 1944-05-23
US2497859A (en) * 1947-11-19 1950-02-21 Western Union Telegraph Co Frequency diversity telegraph system
US2580148A (en) * 1947-12-09 1951-12-25 Collins Radio Co Antinoise carrier receiving system

Also Published As

Publication number Publication date
GB828072A (en) 1960-02-17
FR79387E (fr) 1962-11-23
BE547236A (enEXAMPLES)
US2899548A (en) 1959-08-11
GB880673A (en) 1961-10-25

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