Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
1998-07-07
2001-06-12
Bost, Dwayne (Department: 2681)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S452200, C370S400000, C370S410000, C370S522000, C375S220000
Reexamination Certificate
active
06246879
ABSTRACT:
BACKGROUND OF THE INVENTION
Technical Field of the Invention
This invention relates to telecommunication systems and, more particularly, to a method of sharing capabilities information between the nodes of a radio telecommunications network.
Description of Related Art
In cellular telecommunications networks, each network node includes exchange data which is utilized by the node to interface with other nodes in the network. The exchange data includes data relating to the communications protocols supported by each node in the network as well as service support capabilities. The introduction of any new node within a cellular telecommunications networks currently requires extensive modification to the exchange data of the existing nodes in the network which are to interact with the new node. In the same manner, the exchange data of the new node must also be created, and updated to include all the necessary information regarding the existing nodes in the network with which the new node will interface. The process of loading, updating, and verifying exchange data is not automated, and thus is manually intensive and error prone.
Existing solutions do not permit the validation or the automatic creation of the exchange data using current and valid information as provided in real-time by the network. In addition, two-way sharing of information is not taught or suggested in the prior art. PCT International Patent Application WO 95/30960 to Löfgren discloses an apparatus for providing to a master device, capability information corresponding to slave devices communicating therewith. The capability information is used by the master device for communicating with the slave devices. However, information is only sent one way (slave to master), and only information relating to the communications capabilities of the slave devices is sent.
In order to overcome the disadvantage of existing solutions, it would be advantageous to have a method of sharing capabilities information between the nodes of a telecommunications network. The present invention provides such a method.
SUMMARY OF THE INVENTION
In one aspect, the present invention is a method of sharing capabilities information between a plurality of nodes in a telecommunications network. The method begins when a new node is installed in the telecommunications network and includes sending a first node capabilities declaration message from the new node to a cooperating node in the network, the first message including parameters relating to communications capabilities of the new node. This is followed by sending a second node capabilities declaration message from the cooperating node to the new node, the second node capabilities declaration message including parameters relating to services which the cooperating node is capable of supporting. The second message may also include parameters related to additional communications capabilities of the cooperating node.
This is followed by updating the exchange data in each node with the parameters relating to the capabilities of the other nodes in the network.
In another aspect, the present invention is a method of sharing capabilities information between a plurality of nodes in a telecommunications network when the capabilities of a first node in the telecommunications network are modified. The method begins by sending a plurality of node capabilities declaration messages from the first node to a plurality of cooperating nodes in the network, the node capabilities declaration messages including parameters relating to communications capabilities and service support capabilities of the first node. This is followed by updating the exchange data in each of the cooperating nodes with the parameters relating to the modified capabilities of the first node. Each of the plurality of cooperating nodes then sends an acknowledgement message to the first node.
REFERENCES:
patent: 5930264 (1999-07-01), Nguyen
patent: WO 95/30960 (1995-11-01), None
Rosenzweig Benita
Segura Louis
Bost Dwayne
Green Miguel D.
Smith ,Danamraj & Youst, P.C.
Telefonaktiebolaget L M Ericsson (publ)
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