GB1505434A - Satellite communications systems - Google Patents

Satellite communications systems

Info

Publication number
GB1505434A
GB1505434A GB3581976A GB3581976A GB1505434A GB 1505434 A GB1505434 A GB 1505434A GB 3581976 A GB3581976 A GB 3581976A GB 3581976 A GB3581976 A GB 3581976A GB 1505434 A GB1505434 A GB 1505434A
Authority
GB
United Kingdom
Prior art keywords
received
signals
antenna
transmitter
area
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
GB3581976A
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of GB1505434A publication Critical patent/GB1505434A/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
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/204—Multiple access
    • H04B7/2041—Spot beam multiple access

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Relay Systems (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
GB3581976A 1975-10-28 1976-08-27 Satellite communications systems Expired GB1505434A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752548277 DE2548277A1 (de) 1975-10-28 1975-10-28 Satelliten-nachrichtenuebertragungsverfahren

Publications (1)

Publication Number Publication Date
GB1505434A true GB1505434A (en) 1978-03-30

Family

ID=5960300

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3581976A Expired GB1505434A (en) 1975-10-28 1976-08-27 Satellite communications systems

Country Status (8)

Country Link
BE (1) BE847747A (de)
DE (1) DE2548277A1 (de)
DK (1) DK482776A (de)
FR (1) FR2347837A1 (de)
GB (1) GB1505434A (de)
IT (1) IT1073370B (de)
LU (1) LU76070A1 (de)
NL (1) NL7611868A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2314716A (en) * 1996-06-27 1998-01-07 Motorola Ltd Direction-finding for cellular radio

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8618220D0 (en) * 1986-07-25 1986-09-03 British Aerospace Spacecraft attitude control

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2314716A (en) * 1996-06-27 1998-01-07 Motorola Ltd Direction-finding for cellular radio

Also Published As

Publication number Publication date
DK482776A (da) 1977-04-29
FR2347837B1 (de) 1978-12-22
LU76070A1 (de) 1978-05-16
NL7611868A (nl) 1977-05-02
DE2548277A1 (de) 1977-05-05
IT1073370B (it) 1985-04-17
FR2347837A1 (fr) 1977-11-04
BE847747A (fr) 1977-04-28

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Legal Events

Date Code Title Description
PS Patent sealed