Title:
SYSTEM AND METHOD FOR DIGITAL DATA TRANSMISSION
Document Type and Number:
WIPO Patent Application WO2001073984
Kind Code:
A3
Abstract:
The present invention provides a broadcasting system comprising a plurality of geographically separate transmitting stations. The system comprises a first transmitting station (12) having means for broadcasting on a first channel over a first area of coverage (10), and a second transmitting station having means for broadcasting over a second area of coverage (14, 16) which overlaps with the first area of coverage. The system further comprises means (40, 42, 44, or 46) for transmitting data on the first channel over a portion of the second area of coverage (48, 50, 52 or 54) that is distinct from the overlap between the first and second broadcast areas.
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Inventors:
JORDAN MARK (GB)
Application Number:
PCT/GB2001/001403
Publication Date:
June 27, 2002
Filing Date:
March 29, 2001
Export Citation:
Assignee:
CROWN CASTLE UK LTD (GB)
JORDAN MARK (GB)
JORDAN MARK (GB)
International Classes:
H04H20/42; H04W16/00; (IPC1-7): H04Q7/36; H04H1/00
Domestic Patent References:
| WO1996037082A1 | 1996-11-21 | |||
| WO1998043421A1 | 1998-10-01 | |||
| WO1999037094A1 | 1999-07-22 |
Foreign References:
| US6078815A | 2000-06-20 | |||
| EP0720317A1 | 1996-07-03 | |||
| EP0531090A2 | 1993-03-10 | |||
| GB2313742A | 1997-12-03 | |||
| US6002935A | 1999-12-14 | |||
| EP0877499A2 | 1998-11-11 | |||
| US5347304A | 1994-09-13 |
Other References:
HIRTZ G ET AL: "OPEN TV: BETRIEBSSYSTEM FUER INTERAKTIVES FERNSEHEN", FERNSEH UND KINOTECHNIK, VDE VERLAG GMBH. BERLIN, DE, vol. 50, no. 3, 1 March 1996 (1996-03-01), pages 84 - 89, XP000581417, ISSN: 0015-0142
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