Technology Aspects for System 12 Broadband ISDN
Although the enhancement of System 12, SEL's digital switching system, for ISDN services is virtually complete, further development work is being carried out to allow broadband switching for videophone services, videoconferencing, and the distribution of radio and television programs. This pape...
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Veröffentlicht in: | IEEE journal on selected areas in communications 1987-10, Vol.5 (8), p.1242-1248 |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | Although the enhancement of System 12, SEL's digital switching system, for ISDN services is virtually complete, further development work is being carried out to allow broadband switching for videophone services, videoconferencing, and the distribution of radio and television programs. This paper describes an appropriate approach to the evolution Of System 12 toward the broadband ISDN (B-ISDN), emphasizing the crosspoint and technology aspects of the broadband switch. Test results on a broadband switch VLSI circuit for 140 Mbit/s in a 2μm CMOS technology are presented. |
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ISSN: | 0733-8716 1558-0008 |
DOI: | 10.1109/JSAC.1987.1146653 |