H - Electricity – 04 – B
Patent
H - Electricity
04
B
325/35
H04B 3/02 (2006.01) H04L 12/28 (2006.01) H04L 27/00 (2006.01)
Patent
CA 2009713
00275-11/12 LOCAL AREA NETWORK COMMUNICATION SYSTEM ABSTRACT OF THE DISCLOSURE A communication network (10, 310) having a first broadband communications channel or transmitting bus (12U, 312U) and a second broadband communications channel or receiving bus (12D, 312D), wherein the first broadband communications channel (12U, 312U) is for passing information upstream to a head end (14, 314) and the second broadband communications channel (12D, 312D) is for passing information downstream from the head end (14, 314) to remote nodes (16, 18, 316, 318). All nodes of the system are coupled to both the first communications channel (12U, 312U) and the second communications channel (12D, 312D). According to the invention, modulation of signals applied to the first communication channel (12U, 312U) is optimized for burst communication from a plurality of sources (16, 18, 316, 318) to central control at the head end (14, 314), and modulation applied to the second communications channel (12D, 312D) is optimized for continuous communication from the central source to a target node (16, 18, 316, 318). 2751112Z.WP5
Long James C.
Mcnamara Robert P.
Murphy Timothy P.
First Pacific Networks Inc.
Smart & Biggar
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