GB810698A - Radio diversity receiving system - Google Patents

Radio diversity receiving system

Info

Publication number
GB810698A
GB810698A GB1148/57A GB114857A GB810698A GB 810698 A GB810698 A GB 810698A GB 1148/57 A GB1148/57 A GB 1148/57A GB 114857 A GB114857 A GB 114857A GB 810698 A GB810698 A GB 810698A
Authority
GB
United Kingdom
Prior art keywords
phase
frequency
input
combiner
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
GB1148/57A
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 GB810698A publication Critical patent/GB810698A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837Diversity 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
    • H04B7/0842Weighted combining
    • H04B7/0865Independent weighting, i.e. weights based on own antenna reception parameters
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/12Frequency diversity

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Noise Elimination (AREA)
GB1148/57A 1956-02-14 1957-01-11 Radio diversity receiving system Expired GB810698A (en)

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
GB810698A true GB810698A (en) 1959-03-18

Family

ID=26711785

Family Applications (2)

Application Number Title Priority Date Filing Date
GB1148/57A Expired GB810698A (en) 1956-02-14 1957-01-11 Radio diversity receiving system
GB5934/59A Expired GB845847A (en) 1956-02-14 1959-02-20 Radio diversity receiving system

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB5934/59A Expired GB845847A (en) 1956-02-14 1959-02-20 Radio diversity receiving system

Country Status (5)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2449372A1 (fr) * 1979-02-13 1980-09-12 Nippon Telegraph & Telephone Systeme de transmission radio a diversite d'espace avec moyens de compensation des trajets multiples
GB2237705A (en) * 1989-11-01 1991-05-08 Gen Electric Co Plc Diversity radio receiver system

Families Citing this family (2)

* 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
DE3121146A1 (de) * 1981-05-27 1983-01-05 Siemens AG, 1000 Berlin und 8000 München Digitales funksystem

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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2449372A1 (fr) * 1979-02-13 1980-09-12 Nippon Telegraph & Telephone Systeme de transmission radio a diversite d'espace avec moyens de compensation des trajets multiples
US4326294A (en) * 1979-02-13 1982-04-20 Nippon Telegraph & Telephone Public Corporation Space diversity reception system having compensation means of multipath effect
US4710975A (en) * 1979-02-13 1987-12-01 Nippon Telegraph & Telephone Public Corp. Space diversity reception system having compensation means of multipath effect
GB2237705A (en) * 1989-11-01 1991-05-08 Gen Electric Co Plc Diversity radio receiver system

Also Published As

Publication number Publication date
FR1172320A (fr) 1959-02-09
BE557137A (enrdf_load_stackoverflow)
CH351308A (de) 1961-01-15
DE1082306B (de) 1960-05-25
GB845847A (en) 1960-08-24

Similar Documents

Publication Publication Date Title
GB704221A (en) Improvements in or relating to radio transmission systems for stereophonic signals and transmitters and receivers for use therein
GB527666A (en) Improvements in or relating to modulated carrier wave signalling systems
GB970051A (en) Compatible stereophonic transmission and reception systems,and methods and components characterizing same
GB1009266A (en) Frequency-modulation receiver for stereophonic or monophonic signals
US2212338A (en) Frequency modulation
GB993585A (en) Repeater for multiplex communication system
US3358234A (en) Ssb system which overcomes problems of squelch, impulse interference and agc as commonly encountered
GB973418A (en) Diversity receiving system
GB663167A (en) Improvements in and relating to combined television and sound receiver circuits
US2871295A (en) Automatic frequency correction in suppressed carrier communication systems
US2907831A (en) Single-sideband system for the transmission of speech
GB868952A (en) Compatible single sideband radio transmission system
US2582968A (en) Electrical pulse secrecy communication system
GB810698A (en) Radio diversity receiving system
US2193801A (en) Signal receiving system
GB875909A (en) Improvements in and relating to electrical signal systems
GB1295380A (enrdf_load_stackoverflow)
US3310742A (en) Frequency diversity transmitting system
US2989622A (en) Hybrid sideband frequency modulation system
US3353099A (en) Double-sideband communication system
GB1057215A (en) Improvements in and relating to radio transmission systems
GB671143A (en) Improvements in or relating to radio diversity receiving system
US3866122A (en) FM communication system
GB655773A (en) Means for receiving electric wave communication signals
US2611859A (en) Repeater for frequency modulated waves