FI885520A0 - Cellsystem foer radiotelefontrafik foersedd med skydd foer samtalsfraonfall. - Google Patents
Cellsystem foer radiotelefontrafik foersedd med skydd foer samtalsfraonfall.Info
- Publication number
- FI885520A0 FI885520A0 FI885520A FI885520A FI885520A0 FI 885520 A0 FI885520 A0 FI 885520A0 FI 885520 A FI885520 A FI 885520A FI 885520 A FI885520 A FI 885520A FI 885520 A0 FI885520 A0 FI 885520A0
- Authority
- FI
- Finland
- Prior art keywords
- base site
- foer
- handoff
- radiotelephone
- call
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0079—Transmission or use of information for re-establishing the radio link in case of hand-off failure or rejection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/34—Reselection control
- H04W36/38—Reselection control by fixed network equipment
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15025388 | 1988-01-29 | ||
US07/150,253 US4811380A (en) | 1988-01-29 | 1988-01-29 | Cellular radiotelephone system with dropped call protection |
Publications (3)
Publication Number | Publication Date |
---|---|
FI885520A0 true FI885520A0 (fi) | 1988-11-28 |
FI885520A FI885520A (fi) | 1989-07-30 |
FI100084B FI100084B (fi) | 1997-09-15 |
Family
ID=22533712
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI885520A FI100084B (fi) | 1988-01-29 | 1988-11-28 | Radiopuhelinliikenteen solukkojärjestelmä, joka on varustettu suojauks ella puhelunmenetystä vastaan |
Country Status (10)
Country | Link |
---|---|
US (1) | US4811380A (fi) |
EP (2) | EP0325713B1 (fi) |
JP (1) | JP2586631B2 (fi) |
AT (2) | ATE306796T1 (fi) |
CA (1) | CA1280466C (fi) |
DE (2) | DE3856584T2 (fi) |
ES (1) | ES2131040T3 (fi) |
FI (1) | FI100084B (fi) |
GR (1) | GR3030388T3 (fi) |
HK (1) | HK1016801A1 (fi) |
Families Citing this family (68)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1293042C (en) * | 1988-02-04 | 1991-12-10 | Ian Macmillan | Communication system supporting remote operations |
SE460449B (sv) * | 1988-02-29 | 1989-10-09 | Ericsson Telefon Ab L M | Cellindelat digitalt mobilradiosystem och foerfarande foer att oeverfoera information i ett digitalt cellindelat mobilradiosystem |
US5327577A (en) * | 1988-06-14 | 1994-07-05 | Telefonaktiebolaget L M Ericsson | Handover method for mobile radio system |
SE8802229D0 (sv) | 1988-06-14 | 1988-06-14 | Ericsson Telefon Ab L M | Forfarande vid mobilradiostation |
US4984290A (en) * | 1988-08-04 | 1991-01-08 | Motorola, Inc. | Method of controlling communications in a cellular radiotelephone system |
US5189734A (en) * | 1988-11-16 | 1993-02-23 | U.S. Philips Corporation | Cellular radio system |
US5008925A (en) * | 1989-12-20 | 1991-04-16 | Motorola, Inc. | Cellular telephone responsive to service availability for operating on different cellular telephone systems |
US5020093A (en) * | 1989-06-23 | 1991-05-28 | Motorola, Inc. | Cellular telephone operable on different cellular telephone systems |
NL8901874A (nl) * | 1989-07-20 | 1991-02-18 | Philips Nv | Planaire josephson inrichting. |
US4972460A (en) * | 1989-09-29 | 1990-11-20 | Motorola, Inc. | Automatic equivalent temporary talkgroup assignment in a roaming trunking environment |
EP0443503B1 (en) * | 1990-02-23 | 1997-07-30 | Mitsubishi Denki Kabushiki Kaisha | Mobile communication system |
US5036531A (en) * | 1990-02-27 | 1991-07-30 | Motorola Inc. | Local PSTN interconnect with remote signal link processing |
CA2047139C (en) * | 1990-07-16 | 1997-12-09 | Mitsuchika Saitoh | Method for manufacturing superconducting device composed of oxide superconductor material and superconducting device manufactured thereby |
US5230082A (en) * | 1990-08-16 | 1993-07-20 | Telefonaktiebolaget L M Ericsson | Method and apparatus for enhancing signalling reliability in a cellular mobile radio telephone system |
CA2051086C (en) * | 1990-09-11 | 1996-01-02 | Toshihiro Hara | Cordless key telephone system having zone switching function |
US5276906A (en) * | 1990-09-27 | 1994-01-04 | Motorola, Inc. | Radiotelephone system incorporating two thresholds for handoff |
US5140627A (en) * | 1990-10-09 | 1992-08-18 | Telefonaktiebolaget L M Ericsson | Handoff procedure that minimizes disturbances to dtmf signalling in a cellular radio system |
US5175867A (en) * | 1991-03-15 | 1992-12-29 | Telefonaktiebolaget L M Ericsson | Neighbor-assisted handoff in a cellular communications system |
US5375163A (en) * | 1991-04-25 | 1994-12-20 | Matsushita Electric Industrial Co., Ltd. | Multi-channel cordless telephone system for maintaining master-slave communication |
US5355515A (en) * | 1991-06-12 | 1994-10-11 | Telefonaktiebolaget L M Ericsson | Method and apparatus for estimating initial time alignment in a cellular communications network |
SE468696B (sv) * | 1991-06-20 | 1993-03-01 | Ericsson Telefon Ab L M | Foerfarande att utfoera handover i ett mobilradiosystem med celler i flera skikt |
US5345467A (en) * | 1991-07-10 | 1994-09-06 | Interdigital Technology Corp. | CDMA cellular hand-off apparatus and method |
US5280541A (en) * | 1991-10-24 | 1994-01-18 | Motorola, Inc. | Cordless telephone communication system link re-establishment protocol |
US5212808A (en) * | 1991-11-08 | 1993-05-18 | Teknekron Communications Systems, Inc. | Method and an apparatus for re-establishing wireless communication between a base unit and a remote unit |
GB2269726B (en) * | 1992-06-22 | 1996-08-28 | Motorola Inc | Alternate base-site transmission of a handoff command in a communication syste m |
US5440613A (en) * | 1992-12-30 | 1995-08-08 | At&T Corp. | Architecture for a cellular wireless telecommunication system |
SE9300681D0 (sv) * | 1993-03-01 | 1993-03-01 | Ericsson Telefon Ab L M | A method and an apparatusfor handing off a mobile station from a first to a second channel in a mobile communication system |
US5375123A (en) * | 1993-02-05 | 1994-12-20 | Telefonakitebolaget L. M. Ericsson | Allocation of channels using interference estimation |
WO1994028689A1 (en) * | 1993-05-20 | 1994-12-08 | Telefonaktiebolaget Lm Ericsson | Reestablishment of call after disconnect |
CA2142020A1 (en) * | 1993-07-02 | 1995-01-12 | John Phillip Lodwig | Method and apparatus for transferring a radiotelephone call from one coverage area to another |
US5483664A (en) * | 1993-07-26 | 1996-01-09 | Motorola, Inc. | Cellular communications with scheduled handoffs |
US5517674A (en) * | 1993-08-09 | 1996-05-14 | Telefonaktiebolaget Lm Ericsson | Low capacity mobile assisted handoff in a cellular communications network |
US5537679A (en) * | 1994-08-01 | 1996-07-16 | Motorola, Inc. | Communication network with flexible handoff scheduling for mobile nodes |
US5488640A (en) * | 1994-08-31 | 1996-01-30 | Motorola, Inc. | Method and apparatus for re-establishment of a communication |
US5590177A (en) * | 1994-09-30 | 1996-12-31 | Motorola, Inc. | Method for preventing a dropped call during a handoff in a radiotelephone system |
US6914965B1 (en) | 1994-09-30 | 2005-07-05 | Qualcomm Incorporated | Method and apparatus of providing a single state mobile unit in a modem connection comprising a wireless link |
US5845211A (en) * | 1995-01-13 | 1998-12-01 | Bell South Corporation | Wireless digital network |
JP3599486B2 (ja) * | 1995-07-31 | 2004-12-08 | キヤノン株式会社 | 無線制御装置、無線通信システム及び無線制御装置の制御方法 |
US5914668A (en) * | 1996-08-30 | 1999-06-22 | Lucent Technologies Inc. | Wireless terminal controlled mobility operational parameters |
US6473602B1 (en) | 1996-10-28 | 2002-10-29 | Ericsson Inc. | Mobile assisted handoff in radiocommunication systems |
US5937349A (en) * | 1996-10-29 | 1999-08-10 | Motorola, Inc. | Method and system of tracking dynamic communication parameters during a link interruption |
US6470188B1 (en) | 1996-12-26 | 2002-10-22 | Ntt Mobile Communications Network, Inc. | Method for handover |
US6269149B1 (en) * | 1996-12-30 | 2001-07-31 | Paradyne Corporation | System and method for enhancing a communication link |
SE511882C2 (sv) | 1997-02-25 | 1999-12-13 | Ericsson Telefon Ab L M | Metod och anordning för återupprättande av en samtalsförbindelse i ett mobilt telekommunikationssystem |
US5913167A (en) * | 1997-02-28 | 1999-06-15 | Motorola, Inc. | Method for transferring a communication link in a wireless communication system |
US5995830A (en) * | 1997-04-09 | 1999-11-30 | At&T Wireless Services Inc. | System and method for processing dropped calls |
CA2231938C (en) * | 1997-04-09 | 2001-10-30 | At&T Wireless Services, Inc. | System and method for processing dropped calls |
US6356622B1 (en) | 1997-05-02 | 2002-03-12 | Paradyne Corporation | System and apparatus for enhancing a network link |
US6115608A (en) * | 1997-09-10 | 2000-09-05 | Northern Telecom Limited | Intersystem handover method and apparatus |
US6091962A (en) * | 1998-01-30 | 2000-07-18 | Motorola, Inc. | Method and apparatus for re-establishing a communication in a wireless communication system |
US6990349B1 (en) | 1998-11-20 | 2006-01-24 | Nortel Networks Limited | System and method for reconnecting a mobile station to an emergency operator |
KR100330246B1 (ko) * | 1998-12-03 | 2002-09-26 | 삼성전자 주식회사 | 이동통신시스템에서의호장애시호자동재접속방법 |
KR100277131B1 (ko) * | 1998-12-03 | 2001-01-15 | 윤종용 | 이동통신시스템에서의호장애시호자동재접속방법 |
KR100342565B1 (ko) * | 1999-04-20 | 2002-07-04 | 윤종용 | 코드분할 다중접속 시스템의 단말기에서 단절된 호 복원 방법및 그 통보 방법 |
US6445918B1 (en) * | 1999-11-01 | 2002-09-03 | Telefonaktiebolaget L M Ericsson (Publ) | Method and system for saving dropped calls |
US6574198B1 (en) * | 2000-07-06 | 2003-06-03 | Ericsson Inc. | Systems and methods for maintaining a signaling link in a communications network |
US6845245B2 (en) * | 2000-12-22 | 2005-01-18 | Denso Corporation | Access parameter adaptation and packet data resource management using detailed mobile status information |
US7676224B1 (en) | 2001-07-06 | 2010-03-09 | At&T Mobility Ii Llc | Enhanced communication service for predicting and handling communication interruption |
ES2273303T3 (es) | 2001-10-01 | 2007-05-01 | Research In Motion Limited | Gestion de contactos para dispositivos de comunicacion movil en las r edes radioelectricas de conmutacion de paquetes. |
US7693522B2 (en) * | 2001-12-19 | 2010-04-06 | Thomson Licensing | Method and apparatus for handing off a mobile terminal between a mobile network and a wireless LAN |
US7171226B2 (en) * | 2002-11-19 | 2007-01-30 | General Motors Corporation | Communication retry method over digital wireless systems |
ATE436166T1 (de) | 2003-01-23 | 2009-07-15 | Research In Motion Ltd | Verfahren und einrichtung für ein drahtloses kommunikationsgerät zum verbindungswiederaufbau nach einem verbindungsabbruch in einem drahtlosen kommunikationssystem |
US7747244B2 (en) | 2003-01-23 | 2010-06-29 | Research In Motion Limited | Methods and apparatus for re-establishing communication for a wireless communication device after a communication loss in a wireless communication network |
KR100656038B1 (ko) * | 2003-09-04 | 2006-12-11 | 삼성전자주식회사 | 광대역 무선 접속 통신 시스템에서 이동 가입자 단말기의드롭 발생에 따른 서빙 기지국 선택 시스템 및 방법 |
US8503430B2 (en) * | 2006-11-21 | 2013-08-06 | Qualcomm Incorporated | Dynamic operational mode management for a wireless terminal |
US8644811B2 (en) * | 2007-04-11 | 2014-02-04 | Cisco Technology, Inc. | System, method, and apparatus for avoiding call drop for a wireless phone |
US8195143B2 (en) * | 2008-11-04 | 2012-06-05 | Broadcom Corporation | Management unit for facilitating inter-network hand-off for a multiservice communication device |
US10516777B1 (en) * | 2018-09-11 | 2019-12-24 | Qualcomm Incorporated | Enhanced user experience for voice communication |
Family Cites Families (35)
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US3663762A (en) * | 1970-12-21 | 1972-05-16 | Bell Telephone Labor Inc | Mobile communication system |
JPS5228521B2 (fi) * | 1972-07-15 | 1977-07-27 | ||
US4028500A (en) * | 1973-05-15 | 1977-06-07 | Martin Marietta Corporation | Mobile unit supervisory control sequencer and method |
US3898390A (en) * | 1973-05-15 | 1975-08-05 | Martin Marietta Corp | Multiple zone communications system and method |
US3906166A (en) * | 1973-10-17 | 1975-09-16 | Motorola Inc | Radio telephone system |
US4268722A (en) * | 1978-02-13 | 1981-05-19 | Motorola, Inc. | Radiotelephone communications system |
JPS5595438A (en) * | 1979-01-11 | 1980-07-19 | Nec Corp | Channel switching system of car telephone |
GB2063011B (en) * | 1979-11-09 | 1983-10-12 | Philips Electronic Associated | Information transmission system |
US4398063A (en) * | 1980-10-24 | 1983-08-09 | Hass Ronald J | Mobile telephone interoffice handoff limiting method and apparatus |
US4430755A (en) * | 1981-05-14 | 1984-02-07 | Motorola, Inc. | Portable radio telephone |
US4395594A (en) * | 1981-08-24 | 1983-07-26 | Bell Telephone Laboratories, Incorporated | Method and apparatus for forcing randomization of idle channel seizures |
JPS58123243A (ja) * | 1982-01-19 | 1983-07-22 | Nec Corp | 追跡通話チヤンネル切替方式における新チヤンネル指定方式 |
JPS58164336A (ja) * | 1982-03-24 | 1983-09-29 | Nec Corp | 無線電話交換方式 |
JPS58186239A (ja) * | 1982-04-24 | 1983-10-31 | Nippon Telegr & Teleph Corp <Ntt> | 移動通信のチヤネル切替試験方式 |
FR2527872A1 (fr) * | 1982-05-27 | 1983-12-02 | Thomson Csf | Station fixe d'un systeme de radiocommunications a sauts de frequence, a emetteurs banalises |
US4485486A (en) * | 1982-08-03 | 1984-11-27 | Motorola, Inc. | Method and apparatus for assigning duplex radio channels and scanning duplex radio channels assigned to mobile and portable radio telephones in a cellular radiotelephone communications system |
US4549311A (en) * | 1982-08-03 | 1985-10-22 | Motorola, Inc. | Method and apparatus for measuring the strength of a radio signal frequency |
JPS5958928A (ja) * | 1982-09-28 | 1984-04-04 | Nec Corp | 移動体電話交換方式 |
DE3246741C1 (de) * | 1982-12-17 | 1984-07-05 | Philips Kommunikations Industrie AG, 8500 Nürnberg | Verfahren zum Auswaehlen eines Organisationskanals in einer beweglichen Funkstation eines Funkuebertragungssystems |
EP0112409B1 (de) * | 1982-12-21 | 1988-03-16 | BBC Brown Boveri AG | Funkübertragungsverfahren für ein Mobilfunksystem |
US4475010A (en) * | 1983-05-05 | 1984-10-02 | At&T Bell Laboratories | High density cellular mobile radio communications |
US4556760A (en) * | 1984-06-11 | 1985-12-03 | Itt Corporation | Hand-off filter for cellular mobile radio |
US4608711A (en) * | 1984-06-21 | 1986-08-26 | Itt Corporation | Cellular mobile radio hand-off utilizing voice channel |
JPS617736A (ja) * | 1984-06-22 | 1986-01-14 | Nec Corp | 無線中継方式 |
CA1230648A (en) * | 1984-07-13 | 1987-12-22 | Gerald P. Labedz | Cellular voice and data radiotelephone system |
GB8419003D0 (en) * | 1984-07-25 | 1984-08-30 | Racal Res Ltd | Portable telephones |
JPS6141239A (ja) * | 1984-08-02 | 1986-02-27 | Nec Corp | 通話チヤンネル切替方式 |
JPS61157125A (ja) * | 1984-12-28 | 1986-07-16 | Nec Corp | 移動体電話交換方式 |
JPS61212930A (ja) * | 1985-03-19 | 1986-09-20 | Oki Electric Ind Co Ltd | 広域移動通信システムにおける移動機 |
JPS61251241A (ja) * | 1985-04-29 | 1986-11-08 | Sony Corp | 自動車電話 |
US4682367A (en) * | 1985-11-13 | 1987-07-21 | General Electric Company | Mobile radio communications system with join feature |
FR2594276B1 (fr) * | 1986-02-11 | 1988-11-10 | Const Electro Et | Systeme de radiotelephonie a changement de relais en cours de communication |
US4694484A (en) * | 1986-02-18 | 1987-09-15 | Motorola, Inc. | Cellular radiotelephone land station |
US4696027A (en) * | 1986-08-01 | 1987-09-22 | Motorola, Inc. | Handoff apparatus and method with interference reduction for a radio system |
DE68923102T2 (de) * | 1988-02-10 | 1995-11-02 | Nippon Electric Co | Kommunikationsverfahren und System mit hohem Durchsatz für eine digitale mobile Station beim Überfahren einer Zonengrenze während einer Verbindung. |
-
1988
- 1988-01-29 US US07/150,253 patent/US4811380A/en not_active Expired - Lifetime
- 1988-10-28 CA CA000581608A patent/CA1280466C/en not_active Expired - Lifetime
- 1988-11-07 EP EP88118501A patent/EP0325713B1/en not_active Expired - Lifetime
- 1988-11-07 ES ES88118501T patent/ES2131040T3/es not_active Expired - Lifetime
- 1988-11-07 EP EP98108616A patent/EP0871340B1/en not_active Expired - Lifetime
- 1988-11-07 AT AT98108616T patent/ATE306796T1/de not_active IP Right Cessation
- 1988-11-07 DE DE3856584T patent/DE3856584T2/de not_active Expired - Lifetime
- 1988-11-07 DE DE3856308T patent/DE3856308T2/de not_active Expired - Lifetime
- 1988-11-07 AT AT88118501T patent/ATE177280T1/de not_active IP Right Cessation
- 1988-11-28 FI FI885520A patent/FI100084B/fi not_active IP Right Cessation
-
1989
- 1989-01-27 JP JP1019398A patent/JP2586631B2/ja not_active Expired - Lifetime
-
1999
- 1999-04-10 HK HK99101466A patent/HK1016801A1/xx not_active IP Right Cessation
- 1999-06-01 GR GR990401482T patent/GR3030388T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
JP2586631B2 (ja) | 1997-03-05 |
CA1280466C (en) | 1991-02-19 |
US4811380A (en) | 1989-03-07 |
ATE306796T1 (de) | 2005-10-15 |
DE3856308D1 (de) | 1999-04-08 |
DE3856584T2 (de) | 2006-05-18 |
EP0871340A2 (en) | 1998-10-14 |
EP0325713B1 (en) | 1999-03-03 |
FI885520A (fi) | 1989-07-30 |
DE3856308T2 (de) | 1999-11-04 |
HK1016801A1 (en) | 1999-11-05 |
EP0325713A3 (en) | 1990-09-19 |
ES2131040T3 (es) | 1999-07-16 |
GR3030388T3 (en) | 1999-09-30 |
DE3856584D1 (de) | 2006-02-23 |
EP0871340B1 (en) | 2005-10-12 |
JPH01225236A (ja) | 1989-09-08 |
ATE177280T1 (de) | 1999-03-15 |
FI100084B (fi) | 1997-09-15 |
EP0871340A3 (en) | 1999-01-07 |
EP0325713A2 (en) | 1989-08-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG | Patent granted |
Owner name: MOTOROLA, INC. |
|
MA | Patent expired |