Method of optimizing an interplanetary communications network
First Claim
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1. A method of optimizing a communications network, said method comprising:
- providing an initial network configuration for an interplanetary communications network, said interplanetary communications network having a plurality (k) of nodes;
providing forecasts of traffic demand in said interplanetary communications network;
determining objective functions by a computer responsive to said demands and characterizing communications over links between said nodes in said network;
determining by said computer at least one limit for each said objective function;
adjusting said initial network configuration, and thereby producing an adjusted network configuration, responsive to said at least one limit for each said objective function; and
deploying said interplanetary communications network with said adjusted network configuration.
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Abstract
A method of designing an interplanetary communications network with an Artificial Neural Network (ANN) at each node. Object functions are generated that relate network characteristics and performance. Each object function is driven to an extreme (min or max) to provide an optimum network configuration. The optimum network configuration includes the number of nodes and the number of antennas for each node, node placement, specific node storage capacity and communications capacity for nodes and for links between nodes.
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Citations
33 Claims
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1. A method of optimizing a communications network, said method comprising:
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providing an initial network configuration for an interplanetary communications network, said interplanetary communications network having a plurality (k) of nodes; providing forecasts of traffic demand in said interplanetary communications network; determining objective functions by a computer responsive to said demands and characterizing communications over links between said nodes in said network; determining by said computer at least one limit for each said objective function; adjusting said initial network configuration, and thereby producing an adjusted network configuration, responsive to said at least one limit for each said objective function; and deploying said interplanetary communications network with said adjusted network configuration. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method of designing an optimized communications network, said method comprising:
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providing to a computer an initial network topology for an interplanetary communications network; defining network communications indicating time varying communications links between network nodes; providing a traffic demand matrix indicating communications requirements between network nodes; determining objective functions for said interplanetary communications network by said computer responsive to defined said network communications and said traffic demand matrix; driving each objective function to a selected limit by said computer, said objective function at said selected limit being identified as indicating an optimum interplanetary communications network configuration; adjusting an initial network configuration, and thereby producing an adjusted network configuration, responsive to said objective function at said selected limit; and deploying said interplanetary communications network with said adjusted network configuration. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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33. A method of designing an optimized communications network, said method comprising the steps of:
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providing an initial network topology for an interplanetary communications network; defining network communications indicating time varying communications links between network nodes; providing a traffic demand matrix indicating communications requirements between network nodes; determining objective functions for said interplanetary communications network responsive to defined said network communications and said traffic demand matrix, wherein determining objective functions comprises the steps of; determining objective function parameters, determining objective function variables comprising; a total link traffic load (Fij); a total stored node traffic (Ki); a link activation (Aij) function indicating active links; a link capacity to neighboring nodes j (Cij); and a node buffer size (bi), and determining objective function constraints, wherein the objective function constraints comprise; an average delay from link capacity having the form
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Specification