WO1994028684A1 - Systeme mobile de telecommunications - Google Patents

Systeme mobile de telecommunications Download PDF

Info

Publication number
WO1994028684A1
WO1994028684A1 PCT/SE1994/000471 SE9400471W WO9428684A1 WO 1994028684 A1 WO1994028684 A1 WO 1994028684A1 SE 9400471 W SE9400471 W SE 9400471W WO 9428684 A1 WO9428684 A1 WO 9428684A1
Authority
WO
WIPO (PCT)
Prior art keywords
network
board
mobile
transmitter
receiver
Prior art date
Application number
PCT/SE1994/000471
Other languages
English (en)
Inventor
Christer Palmgren
Flemming ÖRNEHOLM
Original Assignee
Ab Nordictel
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 Ab Nordictel filed Critical Ab Nordictel
Priority to AU69019/94A priority Critical patent/AU6901994A/en
Publication of WO1994028684A1 publication Critical patent/WO1994028684A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/18502—Airborne stations
    • H04B7/18506—Communications with or from aircraft, i.e. aeronautical mobile service
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies

Definitions

  • This invention concerns a mobile communication sys ⁇ tem comprising a network which has means for connecting mobile stations, as well as a switching means adapted to identify the mobile stations connected to the network, connect calls to and from the mobile stations, and record the services employed through the mobile stations.
  • a common feature of all prior-art mobile communica ⁇ tion systems of this type is that the signal transmission or the traffic between the network and a mobile station connected thereto is wireless and ensured by radio waves transmitted between the mobile station and a stationary base station forming part of the network.
  • such a base station defines at least one cell, which has been assigned a fre- quency group that may contain one or more of the frequen ⁇ cies being at the disposal of the network operator.
  • Adjoining cells are invariably assigned different fre ⁇ quency groups, and thus different frequencies, so that the traffic on a certain frequency between a mobile sta- tion and a base station in one cell is not to be dis ⁇ turbed by any traffic on the same frequency between a mobile station and a base station in another cell.
  • GSM Global System for Mobile Communications
  • SIM Subscriber Identity Module
  • These cards are of "credit- card” size or “stamp” size and contain a microchip where all the information needed for identifying the subscriber is stored (e.g. country code, operator code and sub ⁇ scriber's number).
  • Such a card is insertable into diffe- rent system-compatible mobile terminals, such as vehicle- mounted mobile telephones or pocket phones, which are activated when the card is inserted and thus become mobile stations that can be reached at the subscriber's unique telephone number and are open to outgoing calls as well.
  • All information about the services employed through a mobile station is recorded by the network operator whose network has been employed and then serves as charging basis.
  • the subscriber's own operator ensures that the other operator is paid and then invoices his own subscriber in customary fashion.
  • the reasons for this are basically the same in both cases and include problems concerning the safety on board and the range of the mobile stations.
  • the safety problem is more prominent on board aeroplanes, while the range problem is more prominent on board ships.
  • TFTS Transmission Control System
  • GSM Global System for Mobile Communications
  • the object of the invention is to provide a mobile communication system enabling mobile stations intended for use on the ground to be employed also on board aircraft or ships at a great distance from ground-based base stations, without there being any risk of interfering with either the navigation or the control system of the craft or the above-mentioned frequency planning.
  • a mobile communication system which is of the type stated by way of introduction and which is characterised in that it is installed on board an aircraft or a ship, that it comprises a transmitter-receiver means adapted for wireless and external signal transmission between the network on board and the surrounding world, and that it comprises wiring or IR-transmitter-receiver means for wired or wireless, internal signal transmission between the network on board and the mobile stations on board connected thereto.
  • the simplest way to connect a mobile station to the network on board is to provide wiring between the con- necting means of the network and a connecting socket of an external aerial to a mobile station, in which case the connecting means of the network on board, say, an aero ⁇ plane may be provided at the armrest of a passenger seat and be in the form of a plug socket.
  • the connecting means of the network on board say, an aero ⁇ plane may be provided at the armrest of a passenger seat and be in the form of a plug socket.
  • IR-transmitter- receiver means i.e.
  • the IR-transmitter-receiver means comprise an IR-transmitter-receiver that either is connectible to a connecting means of an external aerial at a mobile station or is integrated into a special IR- mobile station, as well as an IR-transmitter-receiver that is connected to the network.
  • a mobile station that is connectible to the network on board consists of an anonymous mobile ter- minal and a circuit means which is placed therein and can be identified with the aid of the switching means.
  • the circuit means is in the form of a microchip which, to enable the use of different mobile terminals, such as a personal pocket phone mounted in the vicinity of a passenger seat or a pay phone, conveniently is embedded in a plastic card which may be of "credit-card” size or "stamp” size and which can easily be inserted into such a mobile terminal in order to open the terminal to outgoing calls, as well as to incoming calls at the unique telephone number linked to the microchip.
  • call is here meant not only ordinary telephone calls but also communication by means of a fax machine or a computer.
  • the switching means forming part of the inventive system comprises at least one base station adapted to communicate with the mobile stations on board, a base station switching means controlling the base sta ⁇ tion, and a switching centre connecting calls to and from the mobile stations connected to the network on board and providing a basis for charging the services employed through the mobile stations.
  • the network on board is constructed as a GSM network (Global System for Mobile Communications), and the transmitter-receiver means for the external sig ⁇ nal transmission consists of a telecommunication system of TFTS type (Terrestrial Flight Telephony System) which is designed with aeroplane telecommunication in mind and thus does not disturb any other systems on board.
  • the switching means has an interface by means of which the recorded information concerning the services employed may, suitably after landing, be trans- ferred to a ground-based computer system, which also can be used for a ground-based mobile communications network that is compatible with the network on board, so that a subscriber to the ground-based network is able to use his mobile station also in the network on board and may have also the telecommunication services employed on board, say, an aeroplane included in his regular sub ⁇ scription invoice.
  • a ground-based computer system which also can be used for a ground-based mobile communications network that is compatible with the network on board, so that a subscriber to the ground-based network is able to use his mobile station also in the network on board and may have also the telecommunication services employed on board, say, an aeroplane included in his regular sub ⁇ scription invoice.
  • Fig. 1 schematically illustrates one construction of the system
  • Fig. 2 schematically illustrates a mobile terminal and a subscriber's card that can be inserted into it.
  • an ordinary mobile communi ⁇ cations network 1 is schematically illustrated.
  • This net- work is of GSM type and comprises a switching centre MSC for controlling calls within the network 1, as well as incoming and outgoing calls.
  • the users of the network 1 make their calls with the aid of mobile stations MS, which consist of a mobile terminal MT that may be in the form of a pocket phone, as appears from Fig. 2, as well as a subscriber's card SIM that can be inserted into the mobile terminal MT.
  • the subscriber's card SIM comprises a microchip 2 and thus is a so-called smart card enabling various data (e.g. country code, operator code and subscriber's num ⁇ ber) to be reliably stored in the microchip 2.
  • the card SIM converts the terminal into a personal mobile station MS, which is open to outgoing calls and, in particular, to incoming calls at the subscriber's unique telephone number, which thus is linked to the card SIM only, and not to the mobile terminal into which the card is insert ⁇ ed.
  • the data stored in the card SIM make it pos ⁇ sible for the network operator to link the telecommuni- cation services employed through a mobile station MS to the right subscriber for charging purposes, regardless of whether he subscribes to the current network 1 or is but a visitor.
  • the mobile stations MS are in wireless communication with the GSM network 1 by means of radio waves, which are transmitted between an aerial 3 incorporated into the mobile terminal MT, or an external aerial (not shown) connected to a socket 4 at the mobile terminal, and an aerial or base station BTS forming part of the network 1.
  • An ordinary GSM network includes a fairly large number of base stations BTS which, either separately or in a cer- tain number, are connected to base station switching means BSC. The latter control and monitor the base sta ⁇ tions BTS, and are in turn connected to the switching centre MSC.
  • the GSM network 1 communicates with other telecommu- nications networks, such as the public telephone network PSTN or the mobile communications networks 5 of other operators, via the switching centre MSC, which can be connected to a computer system BASS which, on the basis of the charging material obtained from the switching cen- tre MSC, sees to it that invoices 6 are printed out by means of printers 7.
  • the switching centre MSC which can be connected to a computer system BASS which, on the basis of the charging material obtained from the switching cen- tre MSC, sees to it that invoices 6 are printed out by means of printers 7.
  • a mobile communication system 8 is schematically illustrat ⁇ ed.
  • This system may be installed on board an aeroplane 9 or a ship 10.
  • the system 8 includes a very small GSM net ⁇ work 11 which, unlike a ground-based GSM network 1, has a single base station BTS only.
  • the base station BTS on board is connected to a base station switching means BSC, which in turn is connected to a switching centre MSC.
  • the switching centre on board controls the calls within the network 11, as well as the calls between the network and surrounding world. Also, the switching centre records the users of the network 11 and provides a charging basis.
  • the GSM network 11 mainly differs from the ground- based network 1 in that the mobile stations MS on board, which are connected to the base station BTS on board, do not communicate with the base station BTS with the aid of wireless transmission of radio waves, but employs either wired transmission with the aid of wires or wireless transmission with the aid of IR-transmitter-receiver means.
  • Wired transmission can be carried out by connecting the base station BTS on board to a loop having connecting means 12, which on board an aeroplane may be provided at the ceiling above a passenger seat or at the armrest of the chair, and by connecting the mobile stations MS on board to these means with the aid of wires 13 connected to the aerial sockets 4 at the mobile stations.
  • wire- less transmission with the aid of IR-transmitter-receiver means use can be made of an IR-transmitter-receiver connected to the connecting means 12 of the base station, as well as an IR-transmitter-receiver connected to the aerial socket 4 of each mobile station.
  • the base station BTS may comprise the same arrangement, but the ordinary mobile terminals MT may be replaced with special IR apparatus, into which the subscriber's card SIM fits and which, for instance, may be supplied by the airline at issue.
  • the communication between the network 11 on board and the surrounding world, i.e. various ground-based net ⁇ works, such as the public telephone network PSTN or other networks 1, 5 connected thereto, is achieved in wireless fashion by means of radio waves emitted on frequencies and at transmitter output powers that do not disturb any systems on board and have a much larger range than an ordinary mobile station MS.
  • the currently preferred transmission system is termed TFTS and enables multichan ⁇ nel radio communication at distances of 400 km and more between ground-based aerials 14 and aerials 15 mounted on board aeroplanes.
  • the TFTS unit on the ground is connected to the public telephone network PSTN, where ⁇ as the TFTS unit on board the aeroplane or the ship is connected to the network 11 on board, thus enabling calls between a mobile station MS on board and, say, a mobile station MS in the ground-based network 1.
  • the charging basis provided by the switching centre MSC is not transferred directly to a computer system, which then invoices the subscribers, but to a ground-based computer system BASS via an interface which, for instance, may include an ordinary floppy disc 16 that is supplied to a floppy-disc station connected to the computer system BASS after landing. Then, the ground- based computer system BASS invoices the subscribers on the basis of the charging material supplied via the interface and may, if so desired, be used for a ground- based GSM network as well.
  • the inventive embodiment described above and primarily directed to air traffic and a GSM network is not intended to restrict the scope of the invention.
  • the invention may be applied to mobile communications networks of other types than GSM, and the TFTS transmission system may be replaced with any other suitable system for communication between the air ⁇ craft or ship and the surrounding world.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Un système mobile de télécommunication (8) comprend un réseau (11) pourvu de moyens (12) servant à raccorder des stations mobiles (MS), ainsi que des moyens de commutation (MSC, BSC, BTS) adaptés pour identifier les stations mobiles (MS) raccordées au réseau (11), faire passer des appels provenant des stations mobiles (MS) ou leur étant destinées, et enregistrer les services qui sont utilisés par l'intermédiaire des stations mobiles (MS). Le système présenté (8) peut être installé à bord d'un avion (9) ou d'un bateau (10) et comprend un dispositif émetteur-récepteur (TFTS) servant à la transmission, sans fil, d'un signal externe, entre le réseau (11) monté à bord dudit véhicule ou dudit avion et le monde environnant. En outre, le système comprend un câblage (13) ou des moyens d'émission et de réception à infra-rouge pour la transmission, par fil ou sans fil, d'un signal interne entre le réseau (11) monté à bord dudit avion ou dudit bateau et les stations mobiles (MS) se trouvant également à bord dudit avion ou dudit bateau et raccordées audit réseau.
PCT/SE1994/000471 1993-05-26 1994-05-20 Systeme mobile de telecommunications WO1994028684A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU69019/94A AU6901994A (en) 1993-05-26 1994-05-20 Mobile communication system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9301784-6 1993-05-26
SE9301784A SE500443C2 (sv) 1993-05-26 1993-05-26 Mobilkommunikationssystem

Publications (1)

Publication Number Publication Date
WO1994028684A1 true WO1994028684A1 (fr) 1994-12-08

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PCT/SE1994/000471 WO1994028684A1 (fr) 1993-05-26 1994-05-20 Systeme mobile de telecommunications

Country Status (3)

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AU (1) AU6901994A (fr)
SE (1) SE500443C2 (fr)
WO (1) WO1994028684A1 (fr)

Cited By (42)

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WO1998003007A2 (fr) * 1996-07-15 1998-01-22 Detemobil Deutsche Telekom Mobilnet Gmbh Procede et dispositif d'etablissement de liaison entre des reseaux de communications
WO1998009459A1 (fr) * 1996-08-29 1998-03-05 Ericsson Inc. Station de base deployable pour reseau de communication radioelectrique a ressources partagees
GB2317074A (en) * 1996-09-09 1998-03-11 I Co Global Communications Mobile multi-user communications system
WO1998011747A1 (fr) * 1996-09-13 1998-03-19 Andreas Peiker Vehicule tourisme grande capacite dote d'un equipement technique de telecommunication, equipement et station d'abonne
EP0838909A1 (fr) * 1996-10-28 1998-04-29 Aerospatiale Societe Nationale Industrielle Dispositif pour permettre l'utilisation dans un aéronef de moyens de radiocommunication
WO1998026521A1 (fr) * 1996-12-09 1998-06-18 Telefonaktiebolaget Lm Ericsson Systeme et procede de radiocommunications bidirectionnelles en vol
EP0890907A1 (fr) * 1997-07-11 1999-01-13 ICO Services Ltd. Accès au Web pour des utilisateurs dans un véhicule
WO1999012227A2 (fr) * 1997-09-03 1999-03-11 Nokia Networks Oy Acheminement d'appels dans un systeme radio
EP0915577A2 (fr) * 1997-11-05 1999-05-12 Rohde & Schwarz GmbH & Co. KG Système pour utilisation de terminaux mobiles dans un avion de ligne
EP0920147A2 (fr) * 1997-12-01 1999-06-02 Alcatel Procédé, système et réseau d'établissement d'une connection téléphonique vers des personnes placées dans des lieux fermés, comme des moyens de transport par exemple
FR2773931A1 (fr) * 1998-01-16 1999-07-23 Aerospatiale Dispositif pour permettre l'utilisation dans un aeronef de moyens de radiocommunication
FR2775855A1 (fr) * 1998-03-09 1999-09-10 Dominique Retali Dispositif de radiocommunication et procede correspondant d'etablissement d'une communication
EP0998062A1 (fr) * 1998-10-28 2000-05-03 Alcatel Dispositif de radiotéléphonie cellulaire utilisable à bord d'un vehicule de transport de passagers
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US6650898B2 (en) * 1992-03-06 2003-11-18 Aircell, Inc. Signal translating repeater for enabling a terrestrial mobile subscriber station to be operable in a non-terrestrial environment
US7881664B2 (en) 1993-04-05 2011-02-01 Ambit Corp Personal wireless communication device connectivity arrangement within an RF restricted environment
US7904124B2 (en) 1993-04-05 2011-03-08 Ambit Corp Radiative focal area antenna transmission coupling arrangement
US7400858B2 (en) 1993-04-05 2008-07-15 Ambit Corp Radiative focal area antenna transmission coupling arrangement
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US7580733B2 (en) 1993-04-05 2009-08-25 Ambit Corp Personal communication device connectivity arrangement
US7068783B2 (en) 1995-06-23 2006-06-27 Andreas Peiker Telephone set with a handset having a mouthpiece and/or an earpiece
EP0767549A3 (fr) * 1995-10-05 2001-01-10 Alcatel Système de communication mobile à large bande
US6889032B2 (en) 1996-01-22 2005-05-03 The Directv Group, Inc. Mobile base station for disseminating information
WO1998003007A2 (fr) * 1996-07-15 1998-01-22 Detemobil Deutsche Telekom Mobilnet Gmbh Procede et dispositif d'etablissement de liaison entre des reseaux de communications
WO1998003007A3 (fr) * 1996-07-15 1998-04-09 Deutsche Telekom Mobil Procede et dispositif d'etablissement de liaison entre des reseaux de communications
WO1998009459A1 (fr) * 1996-08-29 1998-03-05 Ericsson Inc. Station de base deployable pour reseau de communication radioelectrique a ressources partagees
US6047160A (en) * 1996-08-29 2000-04-04 Ericsson Inc. Transportable base station for a trunked radio communication system
GB2317074B (en) * 1996-09-09 1998-10-28 I Co Global Communications Communications apparatus and method
GB2317074A (en) * 1996-09-09 1998-03-11 I Co Global Communications Mobile multi-user communications system
US6324405B1 (en) 1996-09-09 2001-11-27 Ico Services Ltd. Communications apparatus and method for mobile platforms having a plurality of users
WO1998011747A1 (fr) * 1996-09-13 1998-03-19 Andreas Peiker Vehicule tourisme grande capacite dote d'un equipement technique de telecommunication, equipement et station d'abonne
EP0838909A1 (fr) * 1996-10-28 1998-04-29 Aerospatiale Societe Nationale Industrielle Dispositif pour permettre l'utilisation dans un aéronef de moyens de radiocommunication
FR2755327A1 (fr) * 1996-10-28 1998-04-30 Aerospatiale Dispositif pour permettre l'utilisation dans un aeronef de moyens de radiocommunication
US5887258A (en) * 1996-10-28 1999-03-23 Societe National Industrielle Et Aerospatiale Device for allowing the use in an aircraft of radio communication means
WO1998026521A1 (fr) * 1996-12-09 1998-06-18 Telefonaktiebolaget Lm Ericsson Systeme et procede de radiocommunications bidirectionnelles en vol
EP0890907A1 (fr) * 1997-07-11 1999-01-13 ICO Services Ltd. Accès au Web pour des utilisateurs dans un véhicule
WO1999012227A3 (fr) * 1997-09-03 1999-05-27 Nokia Telecommunications Oy Acheminement d'appels dans un systeme radio
WO1999012227A2 (fr) * 1997-09-03 1999-03-11 Nokia Networks Oy Acheminement d'appels dans un systeme radio
US6603967B1 (en) 1997-09-03 2003-08-05 Nokia Corporation Call routing in a radio system
EP0915577A2 (fr) * 1997-11-05 1999-05-12 Rohde & Schwarz GmbH & Co. KG Système pour utilisation de terminaux mobiles dans un avion de ligne
EP0915577A3 (fr) * 1997-11-05 2000-03-08 Rohde & Schwarz GmbH & Co. KG Système pour utilisation de terminaux mobiles dans un avion de ligne
EP0920147A2 (fr) * 1997-12-01 1999-06-02 Alcatel Procédé, système et réseau d'établissement d'une connection téléphonique vers des personnes placées dans des lieux fermés, comme des moyens de transport par exemple
EP0920147A3 (fr) * 1997-12-01 2001-02-28 Alcatel Procédé, système et réseau d'établissement d'une connection téléphonique vers des personnes placées dans des lieux fermés, comme des moyens de transport par exemple
US6321084B1 (en) 1997-12-01 2001-11-20 Alcatel Method for setting up a telecommunication link to persons in closed facilities, such as passenger transport means, as well as a telecommunication system and network
EP0932266A1 (fr) * 1998-01-16 1999-07-28 AEROSPATIALE Société Nationale Industrielle Dispositif pour permettre l'utilisation dans un aéronef de moyens de radiocommunication
US6269243B1 (en) 1998-01-16 2001-07-31 Aerospatiale Societe Nationale Industrielle Device for allowing the use in an aircraft of radiocommunication means
FR2773931A1 (fr) * 1998-01-16 1999-07-23 Aerospatiale Dispositif pour permettre l'utilisation dans un aeronef de moyens de radiocommunication
WO1999046870A1 (fr) * 1998-03-09 1999-09-16 Dominique Retali Dispositif de radiocommunication et procede correspondant d'etablissement d'une communication
US6594497B1 (en) 1998-03-09 2003-07-15 Dominique Retali Radio communication device and corresponding method for setting up a communication
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SE9301784D0 (sv) 1993-05-26
SE9301784L (sv) 1994-06-27
SE500443C2 (sv) 1994-06-27
AU6901994A (en) 1994-12-20

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