SE9503285D0 - Förfarande och anordning för ökning av spektrumeffektiviteten - Google Patents
Förfarande och anordning för ökning av spektrumeffektivitetenInfo
- Publication number
- SE9503285D0 SE9503285D0 SE9503285A SE9503285A SE9503285D0 SE 9503285 D0 SE9503285 D0 SE 9503285D0 SE 9503285 A SE9503285 A SE 9503285A SE 9503285 A SE9503285 A SE 9503285A SE 9503285 D0 SE9503285 D0 SE 9503285D0
- Authority
- SE
- Sweden
- Prior art keywords
- handset
- base station
- spectrum efficiency
- role
- requirement
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
-
- 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
-
- 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
- H04B7/204—Multiple access
- H04B7/212—Time-division multiple access [TDMA]
-
- 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
- H04J3/0652—Synchronisation among time division multiple access [TDMA] nodes, e.g. time triggered protocol [TTP]
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/311,309 US5606560A (en) | 1994-09-23 | 1994-09-23 | Between a base station and a portable device |
Publications (3)
Publication Number | Publication Date |
---|---|
SE9503285D0 true SE9503285D0 (sv) | 1995-09-22 |
SE9503285L SE9503285L (sv) | 1996-03-24 |
SE518431C2 SE518431C2 (sv) | 2002-10-08 |
Family
ID=23206333
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9503285A SE518431C2 (sv) | 1994-09-23 | 1995-09-22 | Förfarande och anordning för ökning av spektrumeffektiviteten |
Country Status (11)
Country | Link |
---|---|
US (1) | US5606560A (sv) |
JP (1) | JP3070656B2 (sv) |
KR (1) | KR0149951B1 (sv) |
CN (1) | CN1082324C (sv) |
BR (1) | BR9504126A (sv) |
CA (1) | CA2158115C (sv) |
DE (1) | DE19533954C2 (sv) |
FR (1) | FR2725086B1 (sv) |
GB (1) | GB2293525B (sv) |
SE (1) | SE518431C2 (sv) |
TW (1) | TW288238B (sv) |
Families Citing this family (50)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995022230A2 (en) * | 1994-02-01 | 1995-08-17 | Telefonaktiebolaget Lm Ericsson | A method and a system for identifying call records |
SE502656C2 (sv) * | 1994-11-29 | 1995-12-04 | Telia Ab | Metod för synkronisering av sändare och mottagare vid mobilt radiosystem |
KR0164373B1 (ko) * | 1995-03-31 | 1999-02-01 | 김광호 | 이동국간 통화로 설정방법 |
GB2305335B (en) * | 1995-09-14 | 2000-01-12 | Lucent Technologies Wireless L | Re-registering a mobile phone in response to local communication signals |
GB2319928A (en) * | 1996-10-30 | 1998-06-03 | Motorola Ltd | Combined beacon and traffic channel transmission |
CA2300129C (en) * | 1997-08-14 | 2003-11-04 | Siemens Aktiengesellschaft | Method and arrangement for radio transmission of data |
EP0901242B1 (de) * | 1997-09-08 | 2005-11-23 | Infineon Technologies AG | Digitale Telekommunikationseinrichtung mit TDMA Verfahren |
US6138190A (en) * | 1997-09-16 | 2000-10-24 | Cirrus Logic, Inc. | Analog front end and digital signal processing device and method |
DE19741681A1 (de) * | 1997-09-22 | 1999-03-25 | Cit Alcatel | Drahtloses Kommunikationssystem mit Funkfeststation und Mobilstationen, insbesondere FDD/TDMA-Kommunikationssysstem |
DE19742128C1 (de) * | 1997-09-24 | 1999-04-15 | Siemens Ag | Sende- und/oder Empfangsstation für ein TDMA-Funksystem |
US6141531A (en) * | 1997-11-26 | 2000-10-31 | Direct Wireless Corporation | Local wireless communication system with external communications link |
US6426959B1 (en) | 1998-01-20 | 2002-07-30 | Innovative Communications Technologies, Inc. | System and method for facilitating component management in a multiple vendor satellite communications network |
US6381250B1 (en) | 1998-01-23 | 2002-04-30 | Innovative Communications Technologies, Inc. | Capacity allocation system using semi-autonomous network elements to implement and control a transmission schedule |
EP0938193A1 (en) * | 1998-02-18 | 1999-08-25 | Sony International (Europe) GmbH | Header structure for TDD systems |
US20030035406A1 (en) * | 1998-04-02 | 2003-02-20 | Pctel, Inc. | Multiple handset wireless conferencing system |
US6473412B1 (en) | 1998-04-03 | 2002-10-29 | Telefonaktiebolaget Lm Ericsson (Publ) | Uncoordinated frequency hopping cellular system |
US6374078B1 (en) | 1998-04-17 | 2002-04-16 | Direct Wireless Corporation | Wireless communication system with multiple external communication links |
USD419160S (en) * | 1998-05-14 | 2000-01-18 | Northrop Grumman Corporation | Personal communications unit docking station |
US6041243A (en) * | 1998-05-15 | 2000-03-21 | Northrop Grumman Corporation | Personal communications unit |
US6223062B1 (en) | 1998-05-15 | 2001-04-24 | Northrop Grumann Corporation | Communications interface adapter |
US6304559B1 (en) | 1998-05-15 | 2001-10-16 | Northrop Grumman Corporation | Wireless communications protocol |
USD421002S (en) * | 1998-05-15 | 2000-02-22 | Northrop Grumman Corporation | Personal communications unit handset |
US6169730B1 (en) | 1998-05-15 | 2001-01-02 | Northrop Grumman Corporation | Wireless communications protocol |
US6141426A (en) * | 1998-05-15 | 2000-10-31 | Northrop Grumman Corporation | Voice operated switch for use in high noise environments |
US6243573B1 (en) | 1998-05-15 | 2001-06-05 | Northrop Grumman Corporation | Personal communications system |
US6484027B1 (en) | 1998-06-15 | 2002-11-19 | Sbc Technology Resources, Inc. | Enhanced wireless handset, including direct handset-to-handset communication mode |
IL125059A0 (en) * | 1998-06-22 | 1999-01-26 | Shalev Doron | Two-way group communication systems |
FR2781954B1 (fr) * | 1998-07-28 | 2000-11-03 | Canon Kk | Procede et dispositif de communication sur un reseau |
EP1653708B1 (en) * | 1998-07-28 | 2011-10-05 | Canon Kabushiki Kaisha | Method and device for communication on a network |
FR2781953A1 (fr) * | 1998-07-28 | 2000-02-04 | Canon Kk | Procede et dispositif de communication sur un reseau |
FR2781958A1 (fr) * | 1998-07-28 | 2000-02-04 | Canon Kk | Procede et dispositif de communication sur un reseau |
ES2322680T3 (es) | 1998-07-28 | 2009-06-24 | Canon Kk | Metodo y dispositivo para comunicacion en una red. |
FR2781956A1 (fr) * | 1998-07-28 | 2000-02-04 | Canon Kk | Procede et dispositif de communication sur un reseau |
FR2781960A1 (fr) * | 1998-07-28 | 2000-02-04 | Canon Kk | Procede et dispositif de communication sur un reseau |
US7305012B1 (en) * | 2000-07-24 | 2007-12-04 | Siemens Information And Communication Networks S.P.A. | Method and system to synchronize mobile units to a base transceiver station |
US7808937B2 (en) * | 2005-04-07 | 2010-10-05 | Rambus, Inc. | Variable interference cancellation technology for CDMA systems |
US8761321B2 (en) * | 2005-04-07 | 2014-06-24 | Iii Holdings 1, Llc | Optimal feedback weighting for soft-decision cancellers |
US7876810B2 (en) | 2005-04-07 | 2011-01-25 | Rambus Inc. | Soft weighted interference cancellation for CDMA systems |
US8179946B2 (en) | 2003-09-23 | 2012-05-15 | Rambus Inc. | Systems and methods for control of advanced receivers |
US7715508B2 (en) | 2005-11-15 | 2010-05-11 | Tensorcomm, Incorporated | Iterative interference cancellation using mixed feedback weights and stabilizing step sizes |
JP2005020163A (ja) * | 2003-06-24 | 2005-01-20 | Sony Corp | 無線通信システム、無線通信装置及び無線通信方法、並びにコンピュータ・プログラム |
DE602004013813D1 (de) * | 2004-12-23 | 2008-06-26 | Research In Motion Ltd | Ping Funktionalität für elektronische Geräte |
US20060209780A1 (en) * | 2005-01-21 | 2006-09-21 | Nokia Corporation | Data transfer in TDMA system |
US7991088B2 (en) * | 2005-11-15 | 2011-08-02 | Tommy Guess | Iterative interference cancellation using mixed feedback weights and stabilizing step sizes |
US7826516B2 (en) | 2005-11-15 | 2010-11-02 | Rambus Inc. | Iterative interference canceller for wireless multiple-access systems with multiple receive antennas |
US20060286975A1 (en) * | 2005-06-15 | 2006-12-21 | Matsushita Electric Industrial Co., Ltd. | Wireless communication apparatus |
US20070086601A1 (en) * | 2005-10-17 | 2007-04-19 | Mitchler Dennis W | Flexible wireless air interface system |
US20070110135A1 (en) * | 2005-11-15 | 2007-05-17 | Tommy Guess | Iterative interference cancellation for MIMO-OFDM receivers |
US7623602B2 (en) * | 2005-11-15 | 2009-11-24 | Tensorcomm, Inc. | Iterative interference canceller for wireless multiple-access systems employing closed loop transmit diversity |
RU2444849C2 (ru) * | 2010-03-22 | 2012-03-10 | Российская Федерация, от имени которой выступает Министерство обороны Российской Федерации | Способ и устройство синхронизации и устранения фазовой неоднозначности сигналов систем связи с временным разделением каналов |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3983498A (en) * | 1975-11-13 | 1976-09-28 | Motorola, Inc. | Digital phase lock loop |
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 |
US4882746A (en) * | 1987-03-22 | 1989-11-21 | Masatoshi Shimada | Cordless telephone system |
US5042082A (en) * | 1989-06-26 | 1991-08-20 | Telefonaktiebolaget L. M. Ericsson | Mobile assisted handoff |
US5228029A (en) * | 1990-02-27 | 1993-07-13 | Motorola, Inc. | Cellular tdm communication system employing offset frame synchronization |
US5142534A (en) * | 1990-10-17 | 1992-08-25 | O'neill Communications, Inc. | Wireless integrated voice-data communication system |
JP2994019B2 (ja) * | 1990-10-18 | 1999-12-27 | 株式会社東芝 | 移動無線通信システムおよび移動親局装置 |
US5144668A (en) * | 1991-01-25 | 1992-09-01 | Motorola, Inc. | Signal overlap detection in a communication system |
US5212715A (en) * | 1991-01-25 | 1993-05-18 | Motorola, Inc. | Digital communication signalling system |
US5117441A (en) * | 1991-02-25 | 1992-05-26 | Motorola, Inc. | Method and apparatus for real-time demodulation of a GMSK signal by a non-coherent receiver |
DE4136147A1 (de) * | 1991-11-02 | 1993-05-06 | Robert Bosch Gmbh, 7000 Stuttgart, De | Synchronisationsverfahren fuer ein mobilfunktelefon |
AU4727893A (en) * | 1992-08-18 | 1994-03-15 | At & T Wireless Communications Products Ltd. | Method of establishing a communication link in a digital cordless telephone system |
TW239910B (sv) * | 1992-08-21 | 1995-02-01 | Motorola Inc | |
GB2279849B (en) * | 1993-06-02 | 1997-03-26 | Vtech Communications Ltd | Method of conducting an intercom communication between two cordless telephone handsets |
GB2285723B (en) * | 1994-01-18 | 1997-09-10 | Motorola Ltd | Communications system |
JPH07297776A (ja) * | 1994-04-22 | 1995-11-10 | Oki Electric Ind Co Ltd | 通信システム |
-
1994
- 1994-09-23 US US08/311,309 patent/US5606560A/en not_active Expired - Lifetime
-
1995
- 1995-09-12 CA CA002158115A patent/CA2158115C/en not_active Expired - Fee Related
- 1995-09-13 DE DE19533954A patent/DE19533954C2/de not_active Expired - Lifetime
- 1995-09-14 GB GB9518820A patent/GB2293525B/en not_active Expired - Fee Related
- 1995-09-18 FR FR9510895A patent/FR2725086B1/fr not_active Expired - Lifetime
- 1995-09-20 JP JP7264676A patent/JP3070656B2/ja not_active Expired - Fee Related
- 1995-09-22 BR BR9504126A patent/BR9504126A/pt not_active IP Right Cessation
- 1995-09-22 CN CN95117377A patent/CN1082324C/zh not_active Expired - Lifetime
- 1995-09-22 SE SE9503285A patent/SE518431C2/sv not_active IP Right Cessation
- 1995-09-22 KR KR1019950031310A patent/KR0149951B1/ko not_active IP Right Cessation
-
1996
- 1996-02-15 TW TW085101867A patent/TW288238B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR2725086B1 (fr) | 1999-12-31 |
DE19533954C2 (de) | 2000-10-05 |
CA2158115A1 (en) | 1996-03-24 |
GB2293525B (en) | 1999-01-20 |
GB9518820D0 (en) | 1995-11-15 |
FR2725086A1 (fr) | 1996-03-29 |
MX9504037A (es) | 1998-12-31 |
CN1082324C (zh) | 2002-04-03 |
SE518431C2 (sv) | 2002-10-08 |
CN1132452A (zh) | 1996-10-02 |
TW288238B (sv) | 1996-10-11 |
GB2293525A (en) | 1996-03-27 |
DE19533954A1 (de) | 1996-03-28 |
JP3070656B2 (ja) | 2000-07-31 |
BR9504126A (pt) | 1996-07-30 |
KR0149951B1 (ko) | 1999-05-15 |
US5606560A (en) | 1997-02-25 |
JPH08191267A (ja) | 1996-07-23 |
KR960012787A (ko) | 1996-04-20 |
CA2158115C (en) | 1999-07-13 |
SE9503285L (sv) | 1996-03-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |