FI960283A0 - Menetelmä ja järjestely antennin hyötysuhteen parantamiseksi satelliittitiedonsiirron liikkuvaa päätettä varten - Google Patents
Menetelmä ja järjestely antennin hyötysuhteen parantamiseksi satelliittitiedonsiirron liikkuvaa päätettä vartenInfo
- Publication number
- FI960283A0 FI960283A0 FI960283A FI960283A FI960283A0 FI 960283 A0 FI960283 A0 FI 960283A0 FI 960283 A FI960283 A FI 960283A FI 960283 A FI960283 A FI 960283A FI 960283 A0 FI960283 A0 FI 960283A0
- Authority
- FI
- Finland
- Prior art keywords
- communication terminal
- satellite communication
- antenna efficiency
- mobile satellite
- improving antenna
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q11/00—Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
- H01Q11/02—Non-resonant antennas, e.g. travelling-wave antenna
- H01Q11/08—Helical antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
-
- 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
- H04B7/1853—Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service
- H04B7/18569—Arrangements for system physical machines management, i.e. for construction operations control, administration, maintenance
- H04B7/18571—Arrangements for system physical machines management, i.e. for construction operations control, administration, maintenance for satellites; for fixed or mobile stations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Amplifiers (AREA)
- Details Of Aerials (AREA)
- Transceivers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/509,754 US5581268A (en) | 1995-08-03 | 1995-08-03 | Method and apparatus for increasing antenna efficiency for hand-held mobile satellite communications terminal |
Publications (2)
Publication Number | Publication Date |
---|---|
FI960283A0 true FI960283A0 (fi) | 1996-01-19 |
FI960283A FI960283A (fi) | 1997-02-04 |
Family
ID=24027958
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI960283A FI960283A (fi) | 1995-08-03 | 1996-01-19 | Menetelmä ja järjestely antennin hyötysuhteen parantamiseksi satelliittitiedonsiirron liikkuvaa päätettä varten |
Country Status (10)
Country | Link |
---|---|
US (1) | US5581268A (fi) |
EP (1) | EP0757406A1 (fi) |
JP (1) | JPH0951227A (fi) |
KR (1) | KR970013508A (fi) |
CN (1) | CN1142695A (fi) |
AU (1) | AU4749896A (fi) |
CA (1) | CA2167427A1 (fi) |
FI (1) | FI960283A (fi) |
TW (1) | TW282585B (fi) |
WO (1) | WO1997006577A1 (fi) |
Families Citing this family (45)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2306056B (en) * | 1995-10-06 | 1999-12-08 | Nokia Mobile Phones Ltd | Antenna |
FR2746548B1 (fr) * | 1996-03-19 | 1998-06-19 | France Telecom | Antenne helicoidale a moyens de duplexage integres, et procedes de fabrication correspondants |
US5872549A (en) * | 1996-04-30 | 1999-02-16 | Trw Inc. | Feed network for quadrifilar helix antenna |
US5990847A (en) * | 1996-04-30 | 1999-11-23 | Qualcomm Incorporated | Coupled multi-segment helical antenna |
US5986620A (en) * | 1996-07-31 | 1999-11-16 | Qualcomm Incorporated | Dual-band coupled segment helical antenna |
US6278414B1 (en) * | 1996-07-31 | 2001-08-21 | Qualcomm Inc. | Bent-segment helical antenna |
US5909196A (en) * | 1996-12-20 | 1999-06-01 | Ericsson Inc. | Dual frequency band quadrifilar helix antenna systems and methods |
US5896113A (en) * | 1996-12-20 | 1999-04-20 | Ericsson Inc. | Quadrifilar helix antenna systems and methods for broadband operation in separate transmit and receive frequency bands |
US5920292A (en) * | 1996-12-20 | 1999-07-06 | Ericsson Inc. | L-band quadrifilar helix antenna |
US6025816A (en) * | 1996-12-24 | 2000-02-15 | Ericsson Inc. | Antenna system for dual mode satellite/cellular portable phone |
US5949369A (en) * | 1996-12-30 | 1999-09-07 | At & T Corp, | Portable satellite phone having directional antenna for direct link to satellite |
US6900775B2 (en) * | 1997-03-03 | 2005-05-31 | Celletra Ltd. | Active antenna array configuration and control for cellular communication systems |
EP1524722B1 (en) * | 1997-03-27 | 2007-06-27 | QUALCOMM Incorporated | A substrate for a helical antenna and a method of manufacturing the same |
US6184844B1 (en) * | 1997-03-27 | 2001-02-06 | Qualcomm Incorporated | Dual-band helical antenna |
US6201511B1 (en) * | 1997-04-18 | 2001-03-13 | Ericsson Inc. | Composite antenna for duplexer-free duplex operation terminals and method |
US6002359A (en) * | 1997-06-13 | 1999-12-14 | Trw Inc. | Antenna system for satellite digital audio radio service (DARS) system |
US6049315A (en) * | 1997-07-01 | 2000-04-11 | Lucent Technologies, Inc. | Repeater isolation through antenna polarization diversity |
FR2765732B1 (fr) * | 1997-07-04 | 1999-08-27 | France Telecom | Antenne en helice variable |
FI113814B (fi) * | 1997-11-27 | 2004-06-15 | Nokia Corp | Monilankaiset helix-antennit |
US6657978B1 (en) * | 1998-04-23 | 2003-12-02 | Transworld Communications (Usa), Inc. | Optimized integrated high capacity digital satellite trunking network |
JP2000059120A (ja) * | 1998-08-12 | 2000-02-25 | Sony Corp | アンテナ装置及び携帯無線機 |
JP2000138523A (ja) | 1998-10-30 | 2000-05-16 | Nec Corp | ヘリカルアンテナ |
DE60027491T2 (de) * | 1999-01-19 | 2006-12-07 | Koninklijke Philips Electronics N.V. | Antennenanordnung für mobiles Satellitentelefon und Mobiltelefon mit dieser Antennenanordnung |
JP2001102852A (ja) * | 1999-09-29 | 2001-04-13 | Nippon Antenna Co Ltd | ヘリカルアンテナ |
US6889061B2 (en) | 2000-01-27 | 2005-05-03 | Celletra Ltd. | System and method for providing polarization matching on a cellular communication forward link |
US6466177B1 (en) | 2001-07-25 | 2002-10-15 | Novatel, Inc. | Controlled radiation pattern array antenna using spiral slot array elements |
US6788272B2 (en) * | 2002-09-23 | 2004-09-07 | Andrew Corp. | Feed network |
US7372427B2 (en) | 2003-03-28 | 2008-05-13 | Sarentel Limited | Dielectrically-loaded antenna |
US6961596B2 (en) * | 2003-04-21 | 2005-11-01 | 3Com Corporation | Modular RF antenna and filter system for dual radio WLAN access points |
US7843392B2 (en) * | 2008-07-18 | 2010-11-30 | General Dynamics C4 Systems, Inc. | Dual frequency antenna system |
US8058940B1 (en) * | 2008-10-24 | 2011-11-15 | Silicon Laboratories Inc. | Dual in-situ mixing for extended tuning range of resonators |
US8604925B2 (en) * | 2009-10-23 | 2013-12-10 | Globalstar, Inc. | Simplex personal and asset tracker |
US8384545B2 (en) | 2009-12-07 | 2013-02-26 | Meps Real-Time, Inc. | System and method of identifying tagged articles |
US9135482B2 (en) | 2009-12-07 | 2015-09-15 | Meps Real-Time, Inc. | Mobile dispensing system for medical articles |
US9189769B2 (en) | 2009-12-07 | 2015-11-17 | Meps Real-Time, Inc. | Real-time inventory re-supply system |
US11954551B2 (en) | 2009-12-07 | 2024-04-09 | Meps Real-Time, Inc. | Modular system and method to establish tracking activation field |
CA2789479C (en) | 2010-02-09 | 2016-06-21 | Meps Real-Time, Inc. | Self-contained rfid-enabled drawer module |
US8676121B1 (en) | 2011-05-31 | 2014-03-18 | Globalstar, Inc. | Method and apparatus for transmitting message from short-range wireless device over a satellite network |
CN104396281B (zh) | 2012-03-19 | 2019-04-09 | 罗伯特·K·巴克尔 | 用于集成移动和卫星电话服务的装置、方法和系统 |
JP6543276B2 (ja) | 2014-03-07 | 2019-07-10 | グローバルスター, インコーポレイテッド | セルデバイスが衛星ネットワーク上でローミングすることを可能にするための衛星アクセスを有するセルタワー機能 |
PL3651378T3 (pl) | 2015-04-10 | 2022-11-21 | Viasat Inc. | Naziemne kształtowanie wiązki antenowej dla komunikacji między węzłami dostępowymi a terminalami użytkowników połączonymi przez przekaźnik, taki jak satelita |
US10355774B2 (en) * | 2015-04-10 | 2019-07-16 | Viasat, Inc. | End-to-end beamforming system |
CN106848606B (zh) | 2016-12-29 | 2021-01-05 | 上海华为技术有限公司 | 一种天线系统 |
CN109103587B (zh) * | 2018-08-06 | 2024-01-05 | 上海海积信息科技股份有限公司 | 一种四臂螺旋天线 |
KR20220017399A (ko) * | 2019-06-13 | 2022-02-11 | 에이브이엑스 안테나 인코포레이티드 | 튜브 구조 주위에 감긴 가요성 기판에 헬리컬 안테나가 배치된 안테나 어셈블리 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4186403A (en) * | 1975-07-08 | 1980-01-29 | Arthur Dorne | Antenna formed of non-uniform series connected sections |
US4148030A (en) * | 1977-06-13 | 1979-04-03 | Rca Corporation | Helical antennas |
US5303286A (en) * | 1991-03-29 | 1994-04-12 | Space Systems/Loral, Inc. | Wireless telephone/satellite roaming system |
FR2570546B1 (fr) * | 1984-09-17 | 1987-10-23 | Europ Agence Spatiale | Antenne multifilaire helicoidale pour la transmission simultanee de plusieurs signaux d'emission et de reception vhf/uhf |
US4644360A (en) * | 1985-01-28 | 1987-02-17 | The Singer Company | Microstrip space duplexed antenna |
US4800392A (en) * | 1987-01-08 | 1989-01-24 | Motorola, Inc. | Integral laminar antenna and radio housing |
IL91529A0 (en) * | 1988-10-28 | 1990-04-29 | Motorola Inc | Satellite cellular telephone and data communication system |
US5073900A (en) * | 1990-03-19 | 1991-12-17 | Mallinckrodt Albert J | Integrated cellular communications system |
US5446756A (en) * | 1990-03-19 | 1995-08-29 | Celsat America, Inc. | Integrated cellular communications system |
US5198831A (en) * | 1990-09-26 | 1993-03-30 | 501 Pronav International, Inc. | Personal positioning satellite navigator with printed quadrifilar helical antenna |
US5339089A (en) * | 1990-11-23 | 1994-08-16 | Andrew Corporation | Antenna structure |
EP0487053A1 (en) * | 1990-11-23 | 1992-05-27 | Andrew A.G. | Improved antenna structure |
US5439190A (en) * | 1991-04-22 | 1995-08-08 | Trw Inc. | Medium-earth-altitude satellite-based cellular telecommunications |
US5433726A (en) * | 1991-04-22 | 1995-07-18 | Trw Inc. | Medium-earth-altitude satellite-based cellular telecommunications system |
US5526404A (en) * | 1991-10-10 | 1996-06-11 | Space Systems/Loral, Inc. | Worldwide satellite telephone system and a network coordinating gateway for allocating satellite and terrestrial gateway resources |
US5233626A (en) * | 1992-05-11 | 1993-08-03 | Space Systems/Loral Inc. | Repeater diversity spread spectrum communication system |
US5422647A (en) * | 1993-05-07 | 1995-06-06 | Space Systems/Loral, Inc. | Mobile communication satellite payload |
EP0632603B1 (en) * | 1993-06-30 | 1999-10-06 | Nec Corporation | Antenna apparatus having individual transmitting and receiving antenna elements for different frequencies |
-
1995
- 1995-08-03 US US08/509,754 patent/US5581268A/en not_active Expired - Lifetime
-
1996
- 1996-01-16 AU AU47498/96A patent/AU4749896A/en not_active Abandoned
- 1996-01-16 WO PCT/US1996/000276 patent/WO1997006577A1/en active Search and Examination
- 1996-01-17 CA CA002167427A patent/CA2167427A1/en not_active Abandoned
- 1996-01-19 FI FI960283A patent/FI960283A/fi unknown
- 1996-01-24 EP EP96300486A patent/EP0757406A1/en not_active Withdrawn
- 1996-02-02 TW TW085101298A patent/TW282585B/zh not_active IP Right Cessation
- 1996-02-16 CN CN96103422A patent/CN1142695A/zh active Pending
- 1996-03-01 JP JP8044594A patent/JPH0951227A/ja active Pending
- 1996-04-26 KR KR1019960013146A patent/KR970013508A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
AU4749896A (en) | 1997-03-05 |
FI960283A (fi) | 1997-02-04 |
US5581268A (en) | 1996-12-03 |
CA2167427A1 (en) | 1997-02-04 |
EP0757406A1 (en) | 1997-02-05 |
JPH0951227A (ja) | 1997-02-18 |
TW282585B (en) | 1996-08-01 |
KR970013508A (ko) | 1997-03-29 |
CN1142695A (zh) | 1997-02-12 |
WO1997006577A1 (en) | 1997-02-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FI960283A (fi) | Menetelmä ja järjestely antennin hyötysuhteen parantamiseksi satelliittitiedonsiirron liikkuvaa päätettä varten | |
FI963974A0 (fi) | Liikkuvan aseman paikallistamismenetelmä ja solukkLiikkuvan aseman paikallistamismenetelmä ja solukkoradioverkko oradioverkko | |
GB2310575B (en) | Mobile terminal apparatus including net radio service in a mobile satellite service communication system | |
AU3718295A (en) | Mobile terminal apparatus for a satellite communication system | |
NO960329D0 (no) | Mobil satelitt-komunikasjonsterminal | |
FI970618A (fi) | Kommunikointiyksikkö, antenni ja menetelmä antennin liittämiseksi | |
FI981638A (fi) | Menetelmä ja järjestely palvelun hallitsemiseksi matkaviestinjärjestelmässä | |
AU6269898A (en) | Method and system for locating a mobile station within a mobile telecommunications network | |
AU8360698A (en) | A method and apparatus for direct communication between mobile stations | |
FI965085A0 (fi) | Radioliikennejärjestelmä ja -menetelmä sekä siirrettävä yhteyspäätelaite | |
FI950159A0 (fi) | Menetelmä ja laite matkaviestinjärjestelmän kanavien käyttämisetä varten | |
FI950351A0 (fi) | Solukkoradiojärjestelmä, toistin ja tukiasema, toistin ja tukiasema | |
FI981265A0 (fi) | Menetelmä ja laitteisto linkin toteuttamiseksi langattomassa tietoliikennejärjestelmässä | |
AU8503398A (en) | Method and apparatus for tracking mobile stations in a wireless communications system | |
FI974240A (fi) | Menetelmä ja järjestely tiedonsiirtokapasiteetin optimaaliseksi hyödyntämiseksi solukkoradiojärjestelmässä | |
FI944682A (fi) | Menetelmä, matkaviestinjärjestelmä ja matkaviestin tietoliikenneyhteyden muodostamiseksi | |
FI102706B1 (fi) | Menetelmä tiedon käsittelemiseksi langattoman tilaajaliittymän päätelaitteessa ja päätelaite | |
AU2410895A (en) | Method for calling by a terminal, like a card controlled mobile station, of a mobile communication system | |
FI933630A (fi) | Menetelmä solukkoradiojärjestelmän tietoliikenneverkon toiminnan varmistamiseksi sekä tukiasemajärjestely | |
NO972856D0 (no) | Antennearrangement for et mobilkommunikasjonssystem | |
FI981091A0 (fi) | Menetelmä ja laitteisto kaiun poistamiseksi digitaalisessa matkaviestinjärjestelmässä | |
GB2299490B (en) | Method for establishing a communication path between mobile stations | |
FI944818A (fi) | Matkaviestinverkko ja sen neuvottelupalvelulaitteisto | |
NO20003272L (no) | En fremgangsmÕte, en anordning og en terminal for mobil radiokommunikasjon | |
AU3087700A (en) | Cellular mobile communication system and a method for such system |