GB539655A - Improvements in diversity radio communication systems - Google Patents

Improvements in diversity radio communication systems

Info

Publication number
GB539655A
GB539655A GB10998/40A GB1099840A GB539655A GB 539655 A GB539655 A GB 539655A GB 10998/40 A GB10998/40 A GB 10998/40A GB 1099840 A GB1099840 A GB 1099840A GB 539655 A GB539655 A GB 539655A
Authority
GB
United Kingdom
Prior art keywords
carrier
signal
amplifiers
detectors
supplied
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
GB10998/40A
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Publication of GB539655A publication Critical patent/GB539655A/en
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
    • H04B7/0848—Joint weighting
    • H04B7/0857—Joint weighting using maximum ratio combining techniques, e.g. signal-to- interference ratio [SIR], received signal strenght indication [RSS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/30—Circuits for homodyne or synchrodyne receivers
    • H04B1/302—Circuits for homodyne or synchrodyne receivers for single sideband receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
GB10998/40A 1939-08-23 1940-06-28 Improvements in diversity radio communication systems Expired GB539655A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US291481A US2219751A (en) 1939-08-23 1939-08-23 Single side band diversity radio receiving system

Publications (1)

Publication Number Publication Date
GB539655A true GB539655A (en) 1941-09-18

Family

ID=23120473

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10998/40A Expired GB539655A (en) 1939-08-23 1940-06-28 Improvements in diversity radio communication systems

Country Status (5)

Country Link
US (1) US2219751A (fr)
BE (1) BE479917A (fr)
CH (1) CH270712A (fr)
FR (1) FR867359A (fr)
GB (1) GB539655A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2555557A (en) * 1947-02-25 1951-06-05 Rca Corp Diversity receiver
US2720583A (en) * 1950-12-06 1955-10-11 Murray G Crosby Diversity receiving system
US4313211A (en) * 1979-08-13 1982-01-26 Bell Telephone Laboratories, Incorporated Single sideband receiver with pilot-based feed forward correction for motion-induced distortion
US5222250A (en) * 1992-04-03 1993-06-22 Cleveland John F Single sideband radio signal processing system

Also Published As

Publication number Publication date
CH270712A (de) 1950-09-15
US2219751A (en) 1940-10-29
BE479917A (fr)
FR867359A (fr) 1941-10-20

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