Multiplex communications – Channel assignment techniques – Combining or distributing information via time channels...
Patent
1996-09-25
1999-01-26
Olms, Douglas W.
Multiplex communications
Channel assignment techniques
Combining or distributing information via time channels...
370458, 370473, 348426, H04J 300
Patent
active
058645578
ABSTRACT:
A transport stream encoder comprises a plurality of component signal sources. One of the component signals sources is a source of an opportunistic data component signal carrying a block of data having a predetermined size to be transferred within a predetermined period of time. A packet generator is coupled to the plurality of component signal sources, and produces a composite packet stream, partitioned into successive groups containing a plurality of packet slots. A memory stores a plurality of priority lists respectively associated with the plurality of packet slots. Each priority list contains a plurality of entries, and each entry contains data representing a respective one of the plurality of component signal sources. A scheduler is responsive to the entries in the plurality of priority lists and conditions the packet generator to generate a packet for each one of the packet slots. The generated packet contains data from a component signal source selected from among the component signal sources having representative data in the entries in the priority list associated with that packet slot. A processor modifies the entries in the plurality of priority lists in such a manner as to ensure that a packet containing data from the opportunistic data component signal source is generated with sufficient time regularity to guarantee that the block of data is transferred within the predetermined time period.
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Herrmann Eric P.
Hom Shick
Kurdyla Ronald H.
Olms Douglas W.
Thomson Multimedia S.A.
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