H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 12/24 (2006.01)
Patent
CA 2291378
A method is disclosed, for designing an access network that is to carry communication traffic between end nodes and a core network. Information is provided that describes end node locations, the level of demand associated with each end node, available trunk types and their related capacities, and a cost structure. The cost structure includes a fixed overhead cost for each trunk type, and a service charge per unit distance for each trunk type. The provided information is incorporated in a linear program to find an optimal-cost access network. The linear program is solved to obtain a provisional solution that defines the composition and usage of each link of the optimal-cost access network. For each such link, the composition is defined by a fractional level of investment (incurring a like fraction of the corresponding overhead charge) in each pertinent trunk type. The provisional solution is rounded such that each trunk in which there is a fractional investment is either removed, or replaced by a trunk in which there is an integral investment.
Andrews Daniel M.
Zhang Yihao Lisa
Kirby Eades Gale Baker
Lucent Technologies Inc.
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