Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Patent
1997-12-08
2000-06-27
Le, Thanh Cong
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
455433, 455560, H04B 700
Patent
active
060817119
ABSTRACT:
A mechanism that guarantees the availability of necessary location data within a mobile communication network and also the transfer thereof to the appropriate network node when needed a mobile station (MS) for use in the digital cellular communication network supporting unstructured supplementary service data comprises service means to perform the standard services between the mobile station (MS) and the digital cellular communication network, interface means to perform the machine interface functionalities at the mobile station (MS), and unstructured supplementary service data means to establish a transaction channel to the digital cellular communication network for the interface transfer of unstructured supplementary service data. In particular, location information indicating means are adapted to identify a cell identifier for a cell within the digital cellular communication network where the mobile station (MS) is roaming and also to output the cell identifier via the unstructured supplementary service data interface means. According to the invention it is possible to use the most exact location information to provide location specific services from the network side in a digital cellular communication network.
REFERENCES:
patent: 5537610 (1996-07-01), Mauger et al.
patent: 5752188 (1998-05-01), Astrom et al.
patent: 5819180 (1998-10-01), Alperovich
Digital cellular telecommunications system; Unstructured Supplementary Service Data (USSD)--Stage 1 (GSM 02.90); GSM Technical Specification; Version 5.1.0; Mar. 1997; pp. 1-11.
Digital cellular telecommunications system; Unstructured Supplementary Service Data (USSD)--Stage 2 (GSM 03.90); GSM Technical Specification; Version 5.0.0; Dec. 1996; pp. 1-35.
Digital cellular telecommunications system; Unstructured Supplementary Service Data (USSD)--Stage 3 (GSM 04.90 version 5.0.1); European Telecommunication Standard; May 1997; pages.
Jacek Biala, Mobilfunk und Intelligente Netze, 1995, pp. 146-151.
Cong Le Thanh
Telefonaktiebolaget LM Ericsson
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