Multiplex communications – Communication techniques for information carried in plural... – Combining or distributing information via time channels
Patent
1997-03-14
1999-05-11
Patel, Ajit
Multiplex communications
Communication techniques for information carried in plural...
Combining or distributing information via time channels
370310, H04J3/04
Patent
active
059035730
ABSTRACT:
When signals are transmitted via an integrated services digital network (NET), the transmission capacity of the individual channels is predetermined. Two independent integrated services digital networks (NET) can be interconnected, for example via a radio link. However the radio link only has a limited number of channels available, and their transmission capacity is not predetermined. Before the signals of the first integrated services digital network (NET1) are converted into radio signals, the signals are routed to an apparatus (EIN) where they are compressed and divided. The apparatus (EIN) comprises a demultiplexer (DMUX) for demultiplexing the signals to the individual bearer and signalling channels, a switching unit (S) for separately routing signals to be compressed, e.g. voice signals, and signals not to be compressed, e.g. data signals, an encoding unit (K) in which the signals to be compressed are encoded, a multiplexer (MUX) for joining the encoded, not to be compressed, signalling and packet-switched data signals, and a control unit (.mu.P) for controlling the switching unit (S) as a function of the contents of the signalling signals, and to separately route the signals in the signalling channels onward to transmission channels with different transmission capacities.
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Alcatel Althom Compagnie Generale d'Electricite
Lee Chiho Andrew
Patel Ajit
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