CA2268393A1 - Apparatus and method for reusing satellite broadcast spectrum for terrestrially broadcast signals - Google Patents

Apparatus and method for reusing satellite broadcast spectrum for terrestrially broadcast signals

Info

Publication number
CA2268393A1
CA2268393A1 CA002268393A CA2268393A CA2268393A1 CA 2268393 A1 CA2268393 A1 CA 2268393A1 CA 002268393 A CA002268393 A CA 002268393A CA 2268393 A CA2268393 A CA 2268393A CA 2268393 A1 CA2268393 A1 CA 2268393A1
Authority
CA
Canada
Prior art keywords
antenna
signals
terrestrially
centerline
frequency
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.)
Granted
Application number
CA002268393A
Other languages
French (fr)
Other versions
CA2268393C (en
Inventor
Carmen Tawil
Saleem Tawil
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.)
BROADBAND INVESTMENTS Ltd
Original Assignee
Individual
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24938709&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2268393(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Publication of CA2268393A1 publication Critical patent/CA2268393A1/en
Application granted granted Critical
Publication of CA2268393C publication Critical patent/CA2268393C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H40/00—Arrangements specially adapted for receiving broadcast information
    • H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
    • H04H40/27—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95
    • H04H40/90—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for satellite broadcast receiving
    • 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
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/18523—Satellite systems for providing broadcast service to terrestrial stations, i.e. broadcast satellite service
    • 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
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/1853—Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service
    • H04B7/18563—Arrangements for interconnecting multiple systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/20—Adaptations for transmission via a GHz frequency band, e.g. via satellite
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04—Large scale networks; Deep hierarchical networks
    • H04W84/06—Airborne or Satellite Networks

Abstract

A first antenna (16) at a user location (14) receives signals at a first frequency where the signals are travelling only within a first directional reception range as measured from a centerline (28) of the first antenna (16). The first antenna (16) has its centerline (28) aligned to receive direct broadcast satellite signals transmitted from a satellite in geosynchronous orbit about the earth. A
second antenna (18) at the user location (14) receives signals at the first frequency where the signals are travelling only within a second directional reception range as measured from a centerline (30) of the second antenna (18). The second antenna (18) is aligned to receive signals transmitted at the first frequency from a terrestrial transmitting location remote from the user location.
CA002268393A 1996-10-11 1997-10-09 Apparatus and method for reusing satellite broadcast spectrum for terrestrially broadcast signals Expired - Fee Related CA2268393C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/731,244 1996-10-11
US08/731,244 US5761605A (en) 1996-10-11 1996-10-11 Apparatus and method for reusing satellite broadcast spectrum for terrestrially broadcast signals
PCT/US1997/018219 WO1998017022A2 (en) 1996-10-11 1997-10-09 Apparatus and method for reusing satellite broadcast spectrum for terrestrially broadcast signals

Publications (2)

Publication Number Publication Date
CA2268393A1 true CA2268393A1 (en) 1998-04-23
CA2268393C CA2268393C (en) 2002-02-12

Family

ID=24938709

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002268393A Expired - Fee Related CA2268393C (en) 1996-10-11 1997-10-09 Apparatus and method for reusing satellite broadcast spectrum for terrestrially broadcast signals

Country Status (14)

Country Link
US (6) US5761605A (en)
EP (1) EP0934636B1 (en)
JP (1) JP2001514810A (en)
KR (1) KR100415416B1 (en)
CN (1) CN100359823C (en)
AT (1) ATE286328T1 (en)
AU (1) AU721537B2 (en)
BR (1) BR9712232A (en)
CA (1) CA2268393C (en)
DE (1) DE69732128D1 (en)
HK (1) HK1023462A1 (en)
NZ (1) NZ335562A (en)
RU (1) RU2196386C2 (en)
WO (1) WO1998017022A2 (en)

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