Communications system to feed multiple single frequency...

Details Communications system to feed multiple single frequency... Communications system to feed multiple single frequency...

2008-06-16

2010-11-30

Vu, Huy D (Department: 2461)

Multiplex communications

Communication techniques for information carried in plural...

Combining or distributing information via frequency channels

C370S350000, C370S503000, C725S035000, C725S144000

Reexamination Certificate

active

07843969

ABSTRACT:
A system and processes create a transport stream carrying several encapsulated contents, watermarks, and other ancillary data. The transport stream is re-multiplexed while keeping synchronous and deterministic operation. Synchronous deterministic operation allow each derived transport stream to be broadcasted in Single Frequency Networks, as all re-multiplexers have the same signal at the input and selecting the same content generates exactly the same stream in multiple locations.

REFERENCES:
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patent: 2006/0088023 (2006-04-01), Muller
patent: 2007/0074267 (2007-03-01), Clerget et al.
patent: 2007/0286245 (2007-12-01), Yamada
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“Digital Video Braodcasting (DVB); DVB mega-frame for Single Frequency Network (SFN) synchronication; ETSI TS 101 191” ETSI Standards, LIS, Sophia Antipolis Cedex, France, vol. BC, No. V1.4.1, Jun. 2004.
“Digital Video Braodcasting (DVB); Framing structure channel coding and modulation for digital terrestial television” ETSI EN 300 744, V1.4.1, Jan. 2001.
“Digital Video Broadcasting (DVB); Implementation Guidelines for DVB terrestrial services; Transmission aspects” TR 101 190, V1.1.1, Dec. 1997, pp. 1-77.

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