Monitoring and stimulating of complex systems, in particular of flow and congestion mechanisms and control in communication networks
First Claim
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1. Device for assisting the monitoring and/or simulation of a complex system, in particular of a communication network, characterised in that it comprises:
- a memory (ROM, RAM) for storing a first set of data representing parameters of the network as well as for receiving at least a second set of data representing events in the network, a portion of the memory being reserved for storing data in matrix form, a computing unit (CAL) capable of effecting on at least two matrices of dynamically variable structure an operation forming a product according to the algebra known as MAX-PLUS, a modelling unit (MOD) for constructing at least a first matrix (Z(n)) and a current matrix (A(n)) respectively according to the first set of data and second set of data according to a selected model, and a pilot unit (PIL) for applying iteratively the first matrix and the current matrix to the computing unit, the product matrix obtained (Z(n+1)) becoming a new first matrix.
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Abstract
The invention concerns a device and a method assisting in monitoring and/or simulating a complex system, in particular a telecommunication network. It consists in storing data in matrix form, of dynamically variable structure, with iterative multiplication in max-plus algebra of a current matrix of network data and an instantaneous matrix of the network parameters.
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Citations
26 Claims
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1. Device for assisting the monitoring and/or simulation of a complex system, in particular of a communication network, characterised in that it comprises:
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a memory (ROM, RAM) for storing a first set of data representing parameters of the network as well as for receiving at least a second set of data representing events in the network, a portion of the memory being reserved for storing data in matrix form, a computing unit (CAL) capable of effecting on at least two matrices of dynamically variable structure an operation forming a product according to the algebra known as MAX-PLUS, a modelling unit (MOD) for constructing at least a first matrix (Z(n)) and a current matrix (A(n)) respectively according to the first set of data and second set of data according to a selected model, and a pilot unit (PIL) for applying iteratively the first matrix and the current matrix to the computing unit, the product matrix obtained (Z(n+1)) becoming a new first matrix. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. Method of assisting the monitoring of a complex system, in particular of a communication network, characterised in that it comprises the following stages:
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a) obtain first data representing network parameters, b) construct a first matrix (Z(n)) according to a selected model according to the first data, c) receive at a selected instant at least a second set of data representing events in the network, d) construct at least a second matrix (A(n)) of variable dynamic structure according to a selected model according to the second set of data, and e) carry out on the matrices an operation forming a product according to the algebra known as MAX-PLUS, the product matrix obtained (Z(n+1)) representing the state of the network at the aforesaid selected instant. - View Dependent Claims (24)
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25. Method of simulating a complex system, in particular mechanisms for flux and congestion control in a communication network, characterised in that it comprises the following stages:
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a) obtain first data representing parameters particular to the network, b) construct a first matrix (Z(n)) according to a selected model according to the first data, c) simulate events in the network and provide at least a second set of data representing the events, d) construct at least a second matrix (A(n)) according to a selected model according to the second set of data, and e) carry out on the matrices an operation forming a product according to the algebra known as MAX-PLUS, the product matrix obtained (Z(n+1)) representing the state of the network being subjected to the above-mentioned events. - View Dependent Claims (26)
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Specification