CA2081187A1 - Call routing in mobile telephone systems - Google Patents

Call routing in mobile telephone systems

Info

Publication number
CA2081187A1
CA2081187A1 CA002081187A CA2081187A CA2081187A1 CA 2081187 A1 CA2081187 A1 CA 2081187A1 CA 002081187 A CA002081187 A CA 002081187A CA 2081187 A CA2081187 A CA 2081187A CA 2081187 A1 CA2081187 A1 CA 2081187A1
Authority
CA
Canada
Prior art keywords
mobile
mobile subscriber
location
visited
subscriber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002081187A
Other languages
French (fr)
Other versions
CA2081187C (en
Inventor
Francois Sawyer
Christer Palmgren
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of CA2081187A1 publication Critical patent/CA2081187A1/en
Application granted granted Critical
Publication of CA2081187C publication Critical patent/CA2081187C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • H04W8/08—Mobility data transfer
    • H04W8/12—Mobility data transfer between location registers or mobility servers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • H04W8/06—Registration at serving network Location Register, VLR or user mobility server

Abstract

A method and apparatus for providing continuous and accurate location information pertaining to a mobile telephone subscriber wherein a temporary location is utilized. Upon entry to a visited system the mobile subscriber either transmits a registration access or a call access. If the mobile subscriber sends a registration access, the visited system acknowledges the registration, records the mobile subscriber's presence and signals the mobile subscriber's home system of the mobile' s presence. Receipt of the mobile's location from the visited system causes the mobile subscriber's home system to update its location data for that particular mobile. If the mobile subscriber initiates a call access from within the visited system without registering within the visited system, the visited system allocates a record for the mobile indicating within the record that it has not received a registration from the mobile and transmits to the home system a temporary location signal. The home system, upon receipt of the temporary location stores the location without deleting the existing location data for the mobile subscriber. The temporary location data is deleted upon the conclusion of the mobile subscriber's call from within the visited system. The temporary location data is used by the mobile subscriber' s home system to effectuate the routing of calls for the mobile subscriber.
CA002081187A 1991-11-25 1992-10-22 Call routing in mobile telephone systems Expired - Fee Related CA2081187C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/797,548 1991-11-25
US07/797,548 US5307400A (en) 1991-11-25 1991-11-25 Call routing in mobile telephone systems

Publications (2)

Publication Number Publication Date
CA2081187A1 true CA2081187A1 (en) 1993-05-26
CA2081187C CA2081187C (en) 2003-04-22

Family

ID=25171150

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002081187A Expired - Fee Related CA2081187C (en) 1991-11-25 1992-10-22 Call routing in mobile telephone systems

Country Status (9)

Country Link
US (1) US5307400A (en)
AU (1) AU658103B2 (en)
CA (1) CA2081187C (en)
GB (1) GB2262203B (en)
HK (1) HK1006625A1 (en)
IT (1) IT1257295B (en)
MX (1) MX9206642A (en)
NZ (1) NZ244801A (en)
TW (1) TW223725B (en)

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Also Published As

Publication number Publication date
GB2262203A (en) 1993-06-09
AU2963092A (en) 1993-05-27
TW223725B (en) 1994-05-11
MX9206642A (en) 1993-05-01
NZ244801A (en) 1995-12-21
GB9223720D0 (en) 1992-12-23
AU658103B2 (en) 1995-03-30
HK1006625A1 (en) 1999-03-05
CA2081187C (en) 2003-04-22
GB2262203B (en) 1995-08-09
ITTO920942A1 (en) 1994-05-20
US5307400A (en) 1994-04-26
ITTO920942A0 (en) 1992-11-20
IT1257295B (en) 1996-01-12

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Legal Events

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EEER Examination request
MKLA Lapsed
MKLA Lapsed

Effective date: 20101022