Communication system

Details Communication system Communication system

H - Electricity

04

L

344/25

H04L 7/00 (2006.01) H04B 10/207 (2006.01) H04J 3/06 (2006.01) H04J 3/16 (2006.01) H04J 14/00 (2006.01) H04J 14/02 (2006.01) H04J 14/08 (2006.01) H04L 12/56 (2006.01)

Patent

CA 1324204

- 26 - COMMUNICATION SYSTEM A bidirectional broadband and telephony network controllable from the exchange end (15) An optical fibre 16 carries the services to customers premises(30, 31)via passive optical splitters(17, 18). Telephony from block (10)is provided on one wavelength, broadcast TV from block (11)on a second wavelength an bidirectional asynchronous time division information from block (40)on another wavelength using ATD (Asynchronous Time Division) techniques. Time-slots are allocated for information packets so they can travel without interference to and from receiving stations and the round trip delay between stations is adjusted to achieve this whilst maintaining minimum bandwidth requirements. Dynamic allocation of spare capacity is provided for bursty services.

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