Telecommunications – Radiotelephone system – Including personal numbering system
Reexamination Certificate
1999-10-05
2001-12-18
Maung, Nay (Department: 2681)
Telecommunications
Radiotelephone system
Including personal numbering system
C455S422100, C455S433000
Reexamination Certificate
active
06332081
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to an arrangement for improving availability of services in a communications system, especially a telecommunications system, said system comprising distributed hardware and software components which interact in order to provide services to one or more users.
More specifically the invention concerns the user mobility support in distributed systems.
Still more specifically the invention relates to an improved utilisation of agent technology.
STATE OF THE ART
Open distributed system is a category of distributed systems which are made up of components that may be obtained from a number of different sources, which together work as a single distributed system.
The open distributed system provides an application interface to the distributed system and the application may run on any local operating system which is appropriate. The TINA architecture (Telecommunications Information Network Architecture) is a specialisation of open distributed system for telecommunications applications, and the present invention has primarily been developed in connection with inter alia such TINA architecture.
The TINA-C architecture does address the personal (user) mobility issue, but does not use multiple agents for each user. Further, this architecture does not address the allowance of additional constellations, for example by letting one user using several terminals of same or different capabilities and the allowance of several users using the same terminal.
Besides TINA, there is no architecture addressing user mobility on distributed systems.
Consequently, there exists an increasing demand for user mobility, especially in connection with distributed systems, and hitherto no proper solution for distributed system has been suggested.
OBJECTS OF THE INVENTION
An object of the present invention is to suggest implementations of the improved availability of services in a communication system, especially the user mobility support in distributed systems.
Another object of the present invention is to provide an arrangement allowing a user to move and still allow access to applications/services.
Still another object of the present invention is to provide an improved availability by which one user can use several terminals of same or different capabilities and whereby several users can use the same terminal.
Yet another object of the present invention is to provide an arrangement allowing the separation and protection of objects belonging to different users but running on the same terminal.
A further object of the present invention is to suggest an improved use of multiple agents for each mobile user.
SUMMARY OF THE INVENTION
The above objects are achieved in an arrangement of the type as stated in the preamble, which primarily is characterised by introducing in said system a user mobility support, for thereby enabling application availability including personal mobility.
More specifically the objects are achieved by introducing said user mobility support for distributed system.
Further features and advantages of the present invention will appear from the following description taken in conjunction with the enclosed drawings, as well as from the enclosed patent claims.
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Third International Conference on Intelligence in Broadband Services and Networks, Heraclion, Crete Greece, Oct. 16-20, 1995; Anne Clarke, ISBN: 3 540604790, pp. 458-467, “TINA based Advanced UPT Service Prototype”.
4thInternational Conference on Intelligence Networks, Nov. 1996, pp. 25-28, Sören Wallinder, “Universal Personal Telecommunication, UPT, Implementation and Base for new Services”.
Teleelektronikk, 1995, vol. 91, No. 4, pp. 182-184, Geir Olav Lauritzen, “Mobility Applications Integration in Intelligent Networks”.
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Li et al, Oct. 2, 1996, “A Framework for Universal Personal Computing”, IEEE Universal Personal Communications, vol. 2, pp. 769-773.*
Alanko et al, Sep. 4, 1997, “Mowgli: Improvements for Internet Applications Using Slow Wireless Links”, IEEE Personal, Indoor, and Mobile Radio Communications, vol. 3, pp. 1038-1042.
Maung Nay
Nixon & Vanderhye P.C.
Telefonaktiebolaget LM Ericsson (publ)
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