SE9201163L - System och förfarande för duplexkommunikation mellan en första station och en eller flera andra stationer över en av ett flertal tillgängliga frekvenser - Google Patents
System och förfarande för duplexkommunikation mellan en första station och en eller flera andra stationer över en av ett flertal tillgängliga frekvenserInfo
- Publication number
- SE9201163L SE9201163L SE9201163A SE9201163A SE9201163L SE 9201163 L SE9201163 L SE 9201163L SE 9201163 A SE9201163 A SE 9201163A SE 9201163 A SE9201163 A SE 9201163A SE 9201163 L SE9201163 L SE 9201163L
- Authority
- SE
- Sweden
- Prior art keywords
- station
- base station
- band energy
- communication system
- emulated base
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/725—Cordless telephones
- H04M1/72502—Cordless telephones with one base station connected to a single line
- H04M1/72505—Radio link set-up procedures
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/725—Cordless telephones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/0035—Synchronisation arrangements detecting errors in frequency or phase
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2603—Arrangements for wireless physical layer control
- H04B7/2606—Arrangements for base station coverage control, e.g. by using relays in tunnels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
-
- 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
-
- 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
- H04W88/08—Access point devices
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/123,395 US4935927A (en) | 1987-11-20 | 1987-11-20 | Base station emulator |
CA002009234A CA2009234C (en) | 1987-11-20 | 1990-02-02 | Base station emulator |
GB9002383A GB2240690B (en) | 1987-11-20 | 1990-02-02 | Base station emulator |
AU49158/90A AU617030B2 (en) | 1987-11-20 | 1990-02-06 | Base station emulator |
DE4003820A DE4003820C2 (de) | 1987-11-20 | 1990-02-08 | Drahtloses digitales Funktelefonsystem |
NL9000331A NL9000331A (nl) | 1987-11-20 | 1990-02-12 | Draadloos digitaal telefoonsysteem. |
FR9001768A FR2658372B1 (fr) | 1987-11-20 | 1990-02-14 | Dispositif telephonique numerique sans fil. |
BE9000176A BE1003825A3 (fr) | 1987-11-20 | 1990-02-16 | Dispositif telephonique numerique sans fil. |
SE9201163A SE470393B (sv) | 1987-11-20 | 1992-04-13 | System och förfarande för duplexkommunikation mellan en första station och en eller flera andra stationer över en av ett flertal tillgängliga frekvenser |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/123,395 US4935927A (en) | 1987-11-20 | 1987-11-20 | Base station emulator |
CA002009234A CA2009234C (en) | 1987-11-20 | 1990-02-02 | Base station emulator |
SE9201163A SE470393B (sv) | 1987-11-20 | 1992-04-13 | System och förfarande för duplexkommunikation mellan en första station och en eller flera andra stationer över en av ett flertal tillgängliga frekvenser |
Publications (3)
Publication Number | Publication Date |
---|---|
SE9201163L true SE9201163L (sv) | 1992-04-13 |
SE9201163D0 SE9201163D0 (sv) | 1992-04-13 |
SE470393B SE470393B (sv) | 1994-02-07 |
Family
ID=27168707
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9201163A SE470393B (sv) | 1987-11-20 | 1992-04-13 | System och förfarande för duplexkommunikation mellan en första station och en eller flera andra stationer över en av ett flertal tillgängliga frekvenser |
Country Status (8)
Country | Link |
---|---|
US (1) | US4935927A (sv) |
AU (1) | AU617030B2 (sv) |
BE (1) | BE1003825A3 (sv) |
CA (1) | CA2009234C (sv) |
DE (1) | DE4003820C2 (sv) |
FR (1) | FR2658372B1 (sv) |
NL (1) | NL9000331A (sv) |
SE (1) | SE470393B (sv) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5347562A (en) * | 1989-08-18 | 1994-09-13 | Hutchinson Personal Communications Limited | Synchronizing groups of base stations in time division duplex communication systems |
DE4118993A1 (de) * | 1991-06-08 | 1992-12-10 | Aeg Mobile Communication | Mobiltelefonanordnung |
CA2085722C (en) * | 1992-01-08 | 1997-02-25 | Samuel Rocco Paniccia Jr. | Use of a vcxo in the base unit of a two-handset cordless telephone system |
TW239910B (sv) * | 1992-08-21 | 1995-02-01 | Motorola Inc | |
US5285443A (en) * | 1992-08-25 | 1994-02-08 | Motorola, Inc. | Method and apparatus for synchronizing a time division duplexing communication system |
US5345327A (en) * | 1993-03-29 | 1994-09-06 | At&T Bell Laboratories | Digital infrared communications system with edge detection |
GB2285723B (en) * | 1994-01-18 | 1997-09-10 | Motorola Ltd | Communications system |
JP2629628B2 (ja) * | 1994-12-15 | 1997-07-09 | 日本電気株式会社 | 簡易型携帯電話装置及びその通信方式 |
DE19520024A1 (de) * | 1995-05-31 | 1996-12-05 | Siemens Ag | Universelles Mobil-Telekommunikationssystem |
DE19542390A1 (de) * | 1995-11-14 | 1997-05-15 | R & S Bick Mobilfunk Gmbh | Funknetz |
US5946631A (en) | 1996-10-17 | 1999-08-31 | Philips Electronics North America Corporation | Real-time CSMA method having the capability to adaptively vary cell sizes and a wireless network for implementing the same |
FI103855B (sv) * | 1996-10-30 | 1999-09-30 | Nokia Telecommunications Oy | Överkopplingsförfarande och cellulärt radionät |
US20060262832A1 (en) * | 1997-03-12 | 2006-11-23 | Interdigital Technology Corporation | Convolutionally encoding and decoding multiple data streams |
US6134283A (en) * | 1997-11-18 | 2000-10-17 | Amati Communications Corporation | Method and system for synchronizing time-division-duplexed transceivers |
DE19811630C2 (de) * | 1998-03-18 | 2002-11-21 | Siemens Ag | Datenadapter für Kommunikationseinrichtungen zum Fernübertragen von Nutzdaten, insbesondere von Paket- und/oder Sprachdaten |
US6484027B1 (en) * | 1998-06-15 | 2002-11-19 | Sbc Technology Resources, Inc. | Enhanced wireless handset, including direct handset-to-handset communication mode |
ES2322680T3 (es) * | 1998-07-28 | 2009-06-24 | Canon Kk | Metodo y dispositivo para comunicacion en una red. |
US6574452B1 (en) | 1998-07-28 | 2003-06-03 | Canon Kabushiki Kaisha | Method and device for communication on a network |
US6415146B1 (en) * | 1999-05-25 | 2002-07-02 | Lucent Technologies Inc. | Wireless system enabling mobile-to-mobile communication |
DE19925262A1 (de) * | 1999-06-01 | 2001-01-25 | Siemens Ag | Modemübertragung in TDMA-Funksystemen |
US20020071479A1 (en) * | 2000-10-27 | 2002-06-13 | L-3 Communications Corporation | Use of common waveform in forward and reverse channels to reduce cost in point-to-multipoint system and to provide point-to-point mode |
DE10106807B4 (de) * | 2001-02-14 | 2005-06-23 | Siemens Ag | Verfahren zum Synchronisieren von Stationen in einem Funk-Kommunikationssystem, insbesondere Mobilfunksystem |
DE10147139A1 (de) * | 2001-09-25 | 2003-04-24 | Siemens Ag | Verfahren und Funk-Kommunikationssystem zur Synchronisation von Teilnehmerstationen |
US20040266425A1 (en) * | 2003-06-24 | 2004-12-30 | Sbc, Inc. | Wireless wide area network charger and cradle |
US7616950B2 (en) * | 2003-09-04 | 2009-11-10 | At&T Intellectual Property I, L.P. | Call forwarding control device and method of call management |
US8526977B2 (en) * | 2003-09-23 | 2013-09-03 | At&T Intellectual Property I, L.P. | Location based call routing for call answering services |
US7769392B2 (en) * | 2003-09-23 | 2010-08-03 | At&T Intellectual Property I, L.P. | Method and system for forwarding wireless communications |
US20050064853A1 (en) * | 2003-09-23 | 2005-03-24 | Sbc Knowledge Ventures, L.P. | Unified telephone handset for personal communications based on wireline and wireless network convergence |
US7577427B2 (en) * | 2003-11-05 | 2009-08-18 | At&T Intellectual Property I, L.P. | System and method of transitioning between cellular and voice over internet protocol communication |
US20050277431A1 (en) * | 2004-06-14 | 2005-12-15 | Sbc Knowledge Ventures, Lp | System and method for managing wireless data communications |
US20060003806A1 (en) * | 2004-07-02 | 2006-01-05 | Sbc Knowledge Ventures, L.P. | Phone synchronization device and method of handling personal information |
US7580837B2 (en) | 2004-08-12 | 2009-08-25 | At&T Intellectual Property I, L.P. | System and method for targeted tuning module of a speech recognition system |
US7242751B2 (en) | 2004-12-06 | 2007-07-10 | Sbc Knowledge Ventures, L.P. | System and method for speech recognition-enabled automatic call routing |
US7751551B2 (en) | 2005-01-10 | 2010-07-06 | At&T Intellectual Property I, L.P. | System and method for speech-enabled call routing |
US8005204B2 (en) | 2005-06-03 | 2011-08-23 | At&T Intellectual Property I, L.P. | Call routing system and method of using the same |
US7657020B2 (en) | 2005-06-03 | 2010-02-02 | At&T Intellectual Property I, Lp | Call routing system and method of using the same |
US7813371B2 (en) * | 2007-03-21 | 2010-10-12 | Kapsch Trafficcom Ag | System and method for short range communication using adaptive channel intervals |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3230458A (en) * | 1962-05-18 | 1966-01-18 | Collins Radio Co | Automatic gain control circuit with fast change of time constant |
DE2340136C1 (de) * | 1973-08-08 | 1978-04-27 | Siemens Ag | Funkuebertragungssystem |
US4253188A (en) * | 1979-06-07 | 1981-02-24 | Ford Motor Company | Clock synchronization for data communication receiver |
FR2502426A1 (fr) * | 1981-03-20 | 1982-09-24 | Trt Telecom Radio Electr | Systeme de transmission d'informations entre une station principale et des stations secondaires operant selon un procede amrt |
DE3118018A1 (de) * | 1981-05-07 | 1982-11-25 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Nachrichtenuebertragungssystem |
SE453449B (sv) * | 1982-07-06 | 1988-02-01 | Ericsson Telefon Ab L M | Anleggning for tradlos overforing av telefonsamtal |
US4630314A (en) * | 1982-09-27 | 1986-12-16 | Meteor Communications Corporation, Inc. | Meteor burst communication system |
JPH0619904B2 (ja) * | 1983-05-20 | 1994-03-16 | 日本ビクター株式会社 | デジタル信号の波形処理方式 |
CH672384A5 (sv) * | 1984-03-07 | 1989-11-15 | Autophon Ascom Ag | |
DE3423640A1 (de) * | 1984-06-27 | 1986-01-09 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Funksystem |
DE3423780C2 (de) * | 1984-06-28 | 1994-05-19 | Aeg Mobile Communication | Simplex-Funksystem |
US4644561A (en) * | 1985-03-20 | 1987-02-17 | International Mobile Machines Corp. | Modem for RF subscriber telephone system |
US4675863A (en) * | 1985-03-20 | 1987-06-23 | International Mobile Machines Corp. | Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels |
US4754450A (en) * | 1986-03-25 | 1988-06-28 | Motorola, Inc. | TDM communication system for efficient spectrum utilization |
GB8609499D0 (en) * | 1986-04-18 | 1986-05-21 | Gen Electric Co Plc | Digital transmission system |
FR2599202A1 (fr) * | 1986-05-23 | 1987-11-27 | Girard Patrick | Procede et systeme de communication a plusieurs postes fonctionnant en emetteur et en recepteur travaillant sur une seule frequence |
US4785450B1 (en) * | 1987-08-06 | 1999-10-12 | Interdigital Tech Corp | Apparatus and method for obtaining frequency agility in digital communication system |
DE3736020A1 (de) * | 1987-10-23 | 1989-05-03 | Bosch Gmbh Robert | Funknetz |
-
1987
- 1987-11-20 US US07/123,395 patent/US4935927A/en not_active Expired - Lifetime
-
1990
- 1990-02-02 CA CA002009234A patent/CA2009234C/en not_active Expired - Lifetime
- 1990-02-06 AU AU49158/90A patent/AU617030B2/en not_active Expired
- 1990-02-08 DE DE4003820A patent/DE4003820C2/de not_active Expired - Lifetime
- 1990-02-12 NL NL9000331A patent/NL9000331A/nl not_active Application Discontinuation
- 1990-02-14 FR FR9001768A patent/FR2658372B1/fr not_active Expired - Lifetime
- 1990-02-16 BE BE9000176A patent/BE1003825A3/fr not_active IP Right Cessation
-
1992
- 1992-04-13 SE SE9201163A patent/SE470393B/sv unknown
Also Published As
Publication number | Publication date |
---|---|
CA2009234C (en) | 1994-10-04 |
BE1003825A3 (fr) | 1992-06-23 |
AU4915890A (en) | 1991-08-08 |
SE9201163D0 (sv) | 1992-04-13 |
NL9000331A (nl) | 1991-09-02 |
CA2009234A1 (en) | 1991-08-02 |
DE4003820C2 (de) | 1998-11-26 |
US4935927A (en) | 1990-06-19 |
SE470393B (sv) | 1994-02-07 |
FR2658372A1 (fr) | 1991-08-16 |
DE4003820A1 (de) | 1991-08-14 |
AU617030B2 (en) | 1991-11-14 |
FR2658372B1 (fr) | 1994-05-06 |
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Legal Events
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NAL | Patent in force |
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