WO2001013660A1 - Dispositif de communications - Google Patents

Dispositif de communications Download PDF

Info

Publication number
WO2001013660A1
WO2001013660A1 PCT/SE2000/001549 SE0001549W WO0113660A1 WO 2001013660 A1 WO2001013660 A1 WO 2001013660A1 SE 0001549 W SE0001549 W SE 0001549W WO 0113660 A1 WO0113660 A1 WO 0113660A1
Authority
WO
WIPO (PCT)
Prior art keywords
access point
communications
communications means
providing
communication
Prior art date
Application number
PCT/SE2000/001549
Other languages
English (en)
Inventor
Michael Line
Kazuhiro Miyatsu
Original Assignee
Telefonaktiebolaget Lm Ericsson (Publ)
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 (Publ) filed Critical Telefonaktiebolaget Lm Ericsson (Publ)
Priority to AU64870/00A priority Critical patent/AU6487000A/en
Publication of WO2001013660A1 publication Critical patent/WO2001013660A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Definitions

  • This invention relates to an access point for connecting a mobile telephone to a telecommunications network, com- prising first communications means for providing a wireless communications link to the mobile telephone; and second communications means for providing a communications link to the telecommunications network.
  • Bluetooth is a unique standard that is supported by many manufacturers of consumer electronics. The standard is intended for relative short range communication between consumer electronics products.
  • access points are large and capable of con- necting a cellular phone to a wire line telephone network only. Further, the use of the cellular phone is limited to a predefined area in proximity of the access point.
  • multi-mode functionality is technical dif ⁇ ficult to implement due to cost issues and performances such as battery lifetime and weight of the phone.
  • Each of the multi-modes may have different specifications e.g. transmitting/receiving frequencies, protocols, etc. More ⁇ over, a phone implementing all cellular telecommunica- tions standards will be cumbersome and will rapidly be obsolete.
  • the access point mentioned in the opening paragraph is characterized in that the access point is adapted to provide a wireless communications link to the telecommunications network.
  • an access point provides wireless communication with a telecommunications network by means of a mobile cellular phone despite the fact thatthe mobile cellular phone does not support the cellular phone system which is used in the area in which the cellular phone is used.
  • the communication via the access point can be completely transparent to a user of a mobile telephone communicating via the access point. For instance, the access point can be placed in a bag while the user walks about.
  • the access point When the access point is portable, it is especially expedient for use in conjunction with a mobile telephone or other portable devices.
  • the physical dimensions of the access point are less than 13 cm x 5 cm x 3 cm. Such a size is suitable for bringing the access point along in e.g. a bag.
  • the access point When the access point is battery powered, the access point is suitable for use on the move along with a mobile cellular phone.
  • the first communications means may be adapted to be operated according to the Bluetooth standard.
  • the ac- cess point will be capable of communicating with most types of mobile cellular telephones or other consumer electronic products.
  • the second communication means is adapted to be operated according to the PDC, PHS, GSM, PCS, D-AMPS, PDC/PHS, GSM/PDC or D-AMPS/PCS standard. Thereby at least one of the most widespread telecommunications standards is supported.
  • the communications device may further comprise communica- tion means for providing wire line communication.
  • communica- tion means for providing wire line communication.
  • the first communications means may be connected to the second communications means for transmission of voice signals and/or data signals.
  • the first communications means is capable of providing wireless communication with other communications means over a relative long distance; the second communications means is capable of providing wireless communication with other communications means over a relative short distance.
  • battery power may be conserved.
  • the communications system may further comprise a mobile cellular telephone with a man-machine-interface and third communications means for providing communication with the second communications means.
  • fig. 1 shows a telecommunications system comprising cel- lular mobile telephones
  • fig. 2 shows a block diagram of a mobile cellular telephone and an access point according to the invention
  • fig. 3 shows a state diagram for the operation of the access point
  • fig. 4 shows a flowchart for a preferred control scheme for controlling which communications means to use
  • fig. 5 shows a physical embodiment of a portable access point according to the invention.
  • Fig. 1 shows a telecommunications system comprising cel- lular mobile telephones.
  • the area 101 illustrates the coverage provided by a mobile telecommunications provider using a telecommunications standard e.g. the GSM standard. This standard is used in Europe.
  • a user with access privileges and a GSM cellular telephone 106 can communi- cate with other users with access privileges and a GSM cellular telephone 107 via equipment 104 provided by the telecommunications provider.
  • the equipment 104 is connected to a telecommunications network 103 allowing communication with users using other telecommunications providers providing GSM cellular telephony, other types of cellular telephony, satellite telephony, wire line telephony (PSTN, Public Switched Telephone Network), etc.
  • GSM Global System for Mobile communications
  • PSTN Public Switched Telephone Network
  • Another area 102 illustrates the coverage provided by an- other mobile telecommunications provider using a different telecommunications standard e.g. the PDC standard.
  • This standard is used in Japan.
  • a user with access privileges and a PDC cellular telephone 108 can communicate with other users, as described above, via equipment 105 provided by the telecommunications provider and connected to the telecommunications network 103.
  • a user having a GSM cellular telephone can use this telephone in the area 101 and communicate with any other user who has a telephone and access privileges.
  • a user having a PDC cellular telephone can use this telephone in the area 102 and communicate with any other user.
  • a user who lives in the area 101 e.g. Europe, and therefore has bought a GSM telephone 106 cannot use that telephone in the area 102 e.g. Japan because the GSM system is not used in that area.
  • an access point 110 adapted to provide access of e.g. the GSM telephone 107, intended for use in the area 101, to the telecommunications network 103.
  • the GSM telephone 107 can be used in the area 102 despite the fact that there is no GSM coverage in that area.
  • a system 109 comprising the telephone 107 and the access point 110 is adapted to communicate via a standard communications link e.g. a Bluetooth link.
  • a standard communications link e.g. a Bluetooth link.
  • other communications systems can be used for the communication be- tween the access point 110 and the mobile telephone 107.
  • Fig. 2 shows a block diagram of a mobile cellular telephone and an access point according to the invention.
  • the mobile telephone 201 and the access point 210 correspond to the system 109.
  • the mobile telephone 201 comprises communication means 207 with an antenna 206 to provide access to a telecommunications network. Further, the mobile telephone 201 comprises communication means 204 with an antenna 205 to provide communication via the access point 210.
  • a so-called Man Machine Interface (MMI) 202 includes a display, a keypad, a loudspeaker, a microphone, etc. - this is well-known to a person skilled in the art.
  • the voice/data interface 209 is adapted to allow the mobile telephone to receive voice commands and to exchange data with peripheral devices e.g. laptop computers, a headset, etc.
  • the control unit 203 is adapted to control the switch 208 in order to select which of the two communication means 205, 206 to use for communication of voice/data information.
  • the control unit 203 is capable of determining which of the two communications means 205, 206 to use in response to a control scheme.
  • the switch 208 is in a ⁇ GSM mode' .
  • the switch 208 is in a 'Bluetooth mode' .
  • a preferred control scheme for controlling the switch 208 is described in the following.
  • the portable access point 210 comprises communications means 213 with an antenna 214 for providing access to a telecommunications network. Further, the portable access point 210 comprises communications means 216 with an antenna 215 for allowing the mobile telephone 201 to commu- nicate via the access point 210.
  • the operation of the access point is controlled by the control unit 212 and is described in the following.
  • the access point is battery powered by means of the battery 211.
  • the access point is also adapted to provide wire line communication.
  • Fig. 3 shows a state diagram for the operation of the access point.
  • three boolean variables are used: REQUEST, UP- DATE, and TERMINATE.
  • REQUEST REQUEST
  • UP- DATE UP- DATE
  • TERMINATE The variable 'REQUEST' is asserted via the Bluetooth communications means in response to a request from a mobile telephone requesting use of the ac- cess point.
  • the variable 'UPDATE' is likewise asserted by the Bluetooth communications means in response to a request from a mobile telephone requesting reception of status information of the access point form the access point.
  • Such status information may comprise the level of battery charge, the level of signals received by the PDC communications means, etc.
  • the variable 'TERMINATE' may be asserted by a mobile telephone terminating its use of the access point or by the elapse of a timer interval which starts when communication via the Bluetooth link terminates .
  • the access point is in a standby mode 301 in which battery power consumption is low.
  • the PDC communication means will be switched on in the state 302 to enable PDC communication.
  • the Bluetooth (BT) communications means are switched on to enable Bluetooth communication.
  • BT Bluetooth
  • a mobile telephone is allowed to use the ac- cess point for telecommunication.
  • the access point will transmit status information to the mobile telephone. Further, the mobile telephone may transmit status and/or identification information to the access point.
  • the access point is set in standby mode 301 when the variable TERMINATE is asserted.
  • Fig. 4 shows a flowchart for a preferred control scheme in a mobile telephone for selecting communications means.
  • the mobile telephone is switched on, and in step 402 the mobile is set in GSM mode (by means of the switch 108) as default.
  • step 403 it is verified whether GSM operation is possible e.g. by measuring the strength of a signal received by the GSM communications means. If the switch 208 is not in 'GSM mode' this mode is selected. If GSM operation is possible (Yes) , GSM operation is enabled in step 404 i.e. incoming and outgoing calls including voice, data, and text messages are proc- essed. It is repeatedly verified whether GSM operation is possible, by repeatedly returning to step 403.
  • step 403 If GSM operation is not possible, i.e. the result of the verification in step 403 is No, it is verified in step 405 whether an access point is present. This includes setting the switch 208 in 'Bluetooth mode' . If no access point is present (No) , step 403 is entered again. Alternatively, if an access point is present, a request of using the access point and asserting the variable REQUEST is transmitted in step 406. If this request is successful an update request is transmitted, asserting the variable UPDATE. The information received in response thereto is used to determine the operating conditions of the access point. The operating conditions of the access point may be presented to a user via the Man Machine Interface of the mobile telephone.
  • step 408 PDC communication via the access point is enabled, if the operating conditions of the access point satisfies a predefined criterion.
  • a criterion may be that a predefined battery change level is present, that a predefined signal strength is present, etc.
  • Fig. 5 shows a physical embodiment of a portable access point according to the invention.
  • This physical embodiment contains the communications circuit 110.
  • the portable access point 501 comprises an antenna 502, a battery charge level indicator 503, and a signal strength indicator 504.
  • the portable access point has a length L of about 13 cm, a width W of about 5 cm, and a height H of about 3 cm. This size is suitable for bringing the portable access point along in a pocket, in a bag, etc. How- ever, a smaller size is possible and will further enhance the expediency of such a portable access point.
  • the physical antenna 502 corresponds to the antenna 214 allowing for communication with a telecommunications net- work.
  • the antenna 215 may be embodied as an antenna integrated on a printed circuit board (PCB) within the access point 501.
  • the antenna 214 may be embodied on a printed circuit board.
  • the communications means 207 and 213 can be adapted to being operated according to the PDC, PHS, GSM, PCS, D-AMPS, PDC/PHS, GSM/PDC, D-AMPS/PCS standard, or any other standard.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephone Function (AREA)

Abstract

L'invention concerne un point d'accès (110; 210; 501) permettant de connecter un téléphone mobile (107, 201) à un réseau de télécommunications (103), qui comprend un premier organe de communications (216), par exemple conforme au standard Bluetooth, permettant d'établir une liaison de communications sans fil avec ledit téléphone mobile (107, 201); et un second organe de communications (213) permettant d'établir une liaison de communications avec ledit réseau de télécommunications (103). Ce point d'accès est caractérisé en ce qu'il est conçu pour établir une liaison de communications sans fil, par exemple conforme au standard PDC ou GSM, avec le réseau de télécommunications (103).
PCT/SE2000/001549 1999-08-13 2000-08-07 Dispositif de communications WO2001013660A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU64870/00A AU6487000A (en) 1999-08-13 2000-08-07 Communications device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9902896A SE521254C2 (sv) 1999-08-13 1999-08-13 Gränssnitt mellan mobiltelefon och olika nätverksstandarder
SE9902896-1 1999-08-13

Publications (1)

Publication Number Publication Date
WO2001013660A1 true WO2001013660A1 (fr) 2001-02-22

Family

ID=20416661

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE2000/001549 WO2001013660A1 (fr) 1999-08-13 2000-08-07 Dispositif de communications

Country Status (3)

Country Link
AU (1) AU6487000A (fr)
SE (1) SE521254C2 (fr)
WO (1) WO2001013660A1 (fr)

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010074250A (ko) * 2001-05-03 2001-08-04 최영빈 블루넷폰
WO2002063900A1 (fr) * 2001-02-06 2002-08-15 Nokia Corporation Système d'accès pour réseau d'accès
WO2002082773A2 (fr) * 2001-04-04 2002-10-17 Intel Corporation Extension de reseaux personnels
FR2824226A1 (fr) * 2001-04-25 2002-10-31 Sagem Procede de communication avec plusieurs telephones et transfert d'abonnement
FR2824227A1 (fr) * 2001-04-25 2002-10-31 Sagem Procede de communication avec une pluralite de telephones secondaires
WO2002100126A1 (fr) * 2001-06-05 2002-12-12 Telia Ab (Publ) Appareil et procede destines a fournir un acces a un rmtp par communication radio courte portee en local
KR100429606B1 (ko) * 2001-07-28 2004-05-04 삼성전자주식회사 이동 통신 시스템에서 블루투스 통신을 이용한 멀티미디어서비스 시스템 및 방법
KR100430614B1 (ko) * 2001-08-23 2004-05-10 (주)씨앤에스 테크놀로지 블루투스 억세스 포인트를 이용한 사설 자동 교환망 시스템
US6754484B1 (en) 2000-07-10 2004-06-22 Nokia Corporation Short messaging using information beacons
KR100438553B1 (ko) * 2001-11-24 2004-07-03 엘지전자 주식회사 이동통신 시스템의 유사 블루투스 구현방법
US6831896B1 (en) 2000-07-11 2004-12-14 Nokia Corporation Short range RF network
KR100480649B1 (ko) * 2000-12-22 2005-04-06 엘지전자 주식회사 블루투스 서비스 시스템
US6954443B2 (en) 2001-03-09 2005-10-11 Nokia Corporation Short range RF network with roaming terminals
US6990316B2 (en) 2001-06-26 2006-01-24 Nokia Corporation Short range RF network configuration
EP1660978A2 (fr) * 2003-08-27 2006-05-31 American Power Conversion Corporation Routeur sans fil mobile
EP1761084A1 (fr) * 2001-02-06 2007-03-07 Nokia Corporation Système d'accès pour réseau d'accès
US7200130B2 (en) 2001-02-13 2007-04-03 Nokia Corporation Short range RF network configuration
US8027635B2 (en) 2002-05-22 2011-09-27 Hewlett-Packard Development Company, L.P. Relaying third party wireless communications through a portable wireless system
US8249090B2 (en) * 2000-10-27 2012-08-21 Nec Corporation Wireless communication system and method of conducting wireless communication

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0521609A2 (fr) * 1991-05-30 1993-01-07 Nokia Mobile Phones Ltd. Radiotéléphone constitué de modules séparés
EP0682458A2 (fr) * 1994-05-13 1995-11-15 Nec Corporation Dispositif de radio communication
WO1999009771A1 (fr) * 1997-08-15 1999-02-25 Telefonaktiebolaget Lm Ericsson Convertisseur itinerant pour telephone mo0bile

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0521609A2 (fr) * 1991-05-30 1993-01-07 Nokia Mobile Phones Ltd. Radiotéléphone constitué de modules séparés
EP0682458A2 (fr) * 1994-05-13 1995-11-15 Nec Corporation Dispositif de radio communication
WO1999009771A1 (fr) * 1997-08-15 1999-02-25 Telefonaktiebolaget Lm Ericsson Convertisseur itinerant pour telephone mo0bile

Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6754484B1 (en) 2000-07-10 2004-06-22 Nokia Corporation Short messaging using information beacons
US7003283B2 (en) 2000-07-10 2006-02-21 Nokia Corporation Short messaging using information beacons
US6831896B1 (en) 2000-07-11 2004-12-14 Nokia Corporation Short range RF network
US8737356B2 (en) 2000-10-27 2014-05-27 Nec Corporation Wireless communication system and method of conducting wireless communication
US8249090B2 (en) * 2000-10-27 2012-08-21 Nec Corporation Wireless communication system and method of conducting wireless communication
KR100480649B1 (ko) * 2000-12-22 2005-04-06 엘지전자 주식회사 블루투스 서비스 시스템
EP1761084A1 (fr) * 2001-02-06 2007-03-07 Nokia Corporation Système d'accès pour réseau d'accès
WO2002063900A1 (fr) * 2001-02-06 2002-08-15 Nokia Corporation Système d'accès pour réseau d'accès
US8144728B2 (en) * 2001-02-06 2012-03-27 Nokia Corporation Access system for a cellular network
US7551576B2 (en) 2001-02-06 2009-06-23 Nokia Corporation Access system for an access network
US7200130B2 (en) 2001-02-13 2007-04-03 Nokia Corporation Short range RF network configuration
US6954443B2 (en) 2001-03-09 2005-10-11 Nokia Corporation Short range RF network with roaming terminals
CN1305286C (zh) * 2001-04-04 2007-03-14 英特尔公司 扩展个人区域网
WO2002082773A2 (fr) * 2001-04-04 2002-10-17 Intel Corporation Extension de reseaux personnels
US7577451B2 (en) 2001-04-04 2009-08-18 Intel Corporation Extending personal area networks
WO2002082773A3 (fr) * 2001-04-04 2003-10-16 Intel Corp Extension de reseaux personnels
EP1257138A1 (fr) * 2001-04-25 2002-11-13 Sagem SA Procédé de communication avec plusieurs téléphones et transfert d'abonnement
FR2824226A1 (fr) * 2001-04-25 2002-10-31 Sagem Procede de communication avec plusieurs telephones et transfert d'abonnement
FR2824227A1 (fr) * 2001-04-25 2002-10-31 Sagem Procede de communication avec une pluralite de telephones secondaires
KR20010074250A (ko) * 2001-05-03 2001-08-04 최영빈 블루넷폰
WO2002100126A1 (fr) * 2001-06-05 2002-12-12 Telia Ab (Publ) Appareil et procede destines a fournir un acces a un rmtp par communication radio courte portee en local
US6990316B2 (en) 2001-06-26 2006-01-24 Nokia Corporation Short range RF network configuration
KR100429606B1 (ko) * 2001-07-28 2004-05-04 삼성전자주식회사 이동 통신 시스템에서 블루투스 통신을 이용한 멀티미디어서비스 시스템 및 방법
KR100430614B1 (ko) * 2001-08-23 2004-05-10 (주)씨앤에스 테크놀로지 블루투스 억세스 포인트를 이용한 사설 자동 교환망 시스템
KR100438553B1 (ko) * 2001-11-24 2004-07-03 엘지전자 주식회사 이동통신 시스템의 유사 블루투스 구현방법
US8027635B2 (en) 2002-05-22 2011-09-27 Hewlett-Packard Development Company, L.P. Relaying third party wireless communications through a portable wireless system
EP1660978A2 (fr) * 2003-08-27 2006-05-31 American Power Conversion Corporation Routeur sans fil mobile

Also Published As

Publication number Publication date
AU6487000A (en) 2001-03-13
SE521254C2 (sv) 2003-10-14
SE9902896D0 (sv) 1999-08-13

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