ID22639A - Sistem telepon satelit mobil yang menggabungkan mode bentuk gelombang tidak-simetris dan simetris - Google Patents

Sistem telepon satelit mobil yang menggabungkan mode bentuk gelombang tidak-simetris dan simetris

Info

Publication number
ID22639A
ID22639A IDW991012A ID991012A ID22639A ID 22639 A ID22639 A ID 22639A ID W991012 A IDW991012 A ID W991012A ID 991012 A ID991012 A ID 991012A ID 22639 A ID22639 A ID 22639A
Authority
ID
Indonesia
Prior art keywords
symetric
combined
mode
telephone systems
satellite telephone
Prior art date
Application number
IDW991012A
Other languages
English (en)
Indonesian (id)
Inventor
Peter D Karabinis
Original Assignee
Ericsson Inc
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 Ericsson Inc filed Critical Ericsson Inc
Publication of ID22639A publication Critical patent/ID22639A/id

Links

Classifications

    • 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
    • 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
    • H04B7/18558—Arrangements for managing communications, i.e. for setting up, maintaining or releasing a call between stations

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)
  • Radio Relay Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
IDW991012A 1997-02-12 1998-02-02 Sistem telepon satelit mobil yang menggabungkan mode bentuk gelombang tidak-simetris dan simetris ID22639A (id)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/798,137 US6650868B1 (en) 1997-02-12 1997-02-12 Mobile satellite phone system incorporating symmetrical and non-symmetrical waveform modes

Publications (1)

Publication Number Publication Date
ID22639A true ID22639A (id) 1999-12-02

Family

ID=25172633

Family Applications (1)

Application Number Title Priority Date Filing Date
IDW991012A ID22639A (id) 1997-02-12 1998-02-02 Sistem telepon satelit mobil yang menggabungkan mode bentuk gelombang tidak-simetris dan simetris

Country Status (9)

Country Link
US (1) US6650868B1 (de)
EP (1) EP0960488B1 (de)
KR (1) KR20000070972A (de)
CN (1) CN1252191A (de)
AU (1) AU735998B2 (de)
BR (1) BR9807324A (de)
DE (1) DE69808245D1 (de)
ID (1) ID22639A (de)
WO (1) WO1998036510A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6081709A (en) * 1997-08-29 2000-06-27 Ericsson, Inc. Mobile satellite radiotelephone systems and methods including mobile radiotelephone bandwidth conversion
US6665518B1 (en) * 2000-03-01 2003-12-16 Northrop Gumman Corporation Asymmetric assignment of space-borne communication system resources
FI20002094L (fi) * 2000-09-22 2002-03-23 Nokia Networks Oy Matkaviestinten välisten yhteyksien järjestäminen langattomassa tietoliikennejärjestelmässä
US6760577B2 (en) * 2001-03-29 2004-07-06 Maxim Integrated Products, Inc. Alignment methods and apparatus for I/Q phase and amplitude error correction and image rejection improvement
US7623867B2 (en) * 2005-07-29 2009-11-24 Atc Technologies, Llc Satellite communications apparatus and methods using asymmetrical forward and return link frequency reuse
KR101064896B1 (ko) * 2007-11-14 2011-09-16 전영일 비공기식 바퀴, 그에 사용되는 휠, 서스펜션 및 타이어
US8520561B2 (en) 2009-06-09 2013-08-27 Atc Technologies, Llc Systems, methods and network components that provide different satellite spot beam return carrier groupings and reuse patterns
GB201220149D0 (en) * 2012-11-08 2012-12-26 Satellite Holdings Llc Apparatus for receiving and/or transmitting data
WO2022087330A1 (en) * 2020-10-22 2022-04-28 Lenovo (United States) Inc. A Corporation Of Delaware Uplink timing maintenance for communication paths including multiple legs involving a relay entity

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Publication number Priority date Publication date Assignee Title
US5020093A (en) 1989-06-23 1991-05-28 Motorola, Inc. Cellular telephone operable on different cellular telephone systems
US5390245A (en) 1990-03-09 1995-02-14 Telefonaktiebolaget L M Ericsson Method of carrying out an authentication check between a base station and a mobile station in a mobile radio system
US5091942A (en) 1990-07-23 1992-02-25 Ericsson Ge Mobile Communications Holding, Inc. Authentication system for digital cellular communications
US5148358A (en) 1991-04-03 1992-09-15 Hughes Aircraft Company Rectifier commutation current spike suppressor
US5796772A (en) * 1991-05-13 1998-08-18 Omnipoint Corporation Multi-band, multi-mode spread-spectrum communication system
EP0584248B1 (de) 1991-05-13 2003-03-05 XIRCOM Wireless, Inc. Sender/empfänger mit zwei betriebsarten
JPH0583153A (ja) * 1991-09-19 1993-04-02 Toshiba Corp 広帯域同調回路
JP3473033B2 (ja) * 1992-11-11 2003-12-02 松下電器産業株式会社 衛星受信用マルチビームアンテナ
JPH06303161A (ja) * 1993-04-13 1994-10-28 Kokusai Electric Co Ltd Ｉｆ回路
US5434850A (en) * 1993-06-17 1995-07-18 Skydata Corporation Frame relay protocol-based multiplex switching scheme for satellite
US5539730A (en) 1994-01-11 1996-07-23 Ericsson Ge Mobile Communications Inc. TDMA/FDMA/CDMA hybrid radio access methods
US5523997A (en) * 1994-06-13 1996-06-04 Motorola, Inc. Communication network with dynamic intraswitching
US5579319A (en) * 1994-09-22 1996-11-26 Motorola, Inc. Receiver path selection based on burst-type in a time division multiple access receiver
CN1084981C (zh) * 1994-10-27 2002-05-15 摩托罗拉公司 电信系统的按需自适应重复使用信道的方法
BR9607361A (pt) 1995-03-10 1997-12-30 Ericsson Ge Mobile Inc Processo e sistema de comunicações por satélite móvel para proporcionar comunicações entre uma primeira estação móvel e uma segunda estação móvel
US5619525A (en) * 1995-06-06 1997-04-08 Globalstar L.P. Closed loop power control for low earth orbit satellite communications system
US5634190A (en) 1995-06-06 1997-05-27 Globalstar L.P. Low earth orbit communication satellite gateway-to-gateway relay system
US5663957A (en) * 1995-07-12 1997-09-02 Ericsson Inc. Dual mode satellite/cellular terminal
US5689803A (en) * 1995-08-25 1997-11-18 Motorola, Inc. Dial-back call completion method and apparatus in a radio-communication system
US5652750A (en) * 1995-08-28 1997-07-29 Ericsson Inc. Optical satellite feeder links
US5835057A (en) * 1996-01-26 1998-11-10 Kvh Industries, Inc. Mobile satellite communication system including a dual-frequency, low-profile, self-steering antenna assembly
US6160993A (en) * 1996-02-23 2000-12-12 Scientific-Atlanta, Inc. Method and apparatus for command and control of remote systems using low earth orbit satellite communications
BR9709147A (pt) * 1996-03-19 1999-08-03 Vistar Telecommunications Inc Sistema interativo de transmissão por satélite
US5761608A (en) * 1996-04-01 1998-06-02 Motorola, Inc. Method and apparatus for inter-node handoff of a radio frequency communication unit
US5914942A (en) * 1996-10-25 1999-06-22 Ericsson Inc. Satellite communications system with dual mode bandwidth control
JPH10336145A (ja) * 1997-05-30 1998-12-18 Toshiba Corp 衛星放送システムおよび放送衛星
US6151497A (en) * 1998-02-12 2000-11-21 Motorola, Inc. Satellite based high bandwidth data broadcast

Also Published As

Publication number Publication date
CN1252191A (zh) 2000-05-03
AU735998B2 (en) 2001-07-26
EP0960488B1 (de) 2002-09-25
WO1998036510A1 (en) 1998-08-20
KR20000070972A (ko) 2000-11-25
DE69808245D1 (de) 2002-10-31
AU6045698A (en) 1998-09-08
BR9807324A (pt) 2000-04-18
US6650868B1 (en) 2003-11-18
EP0960488A1 (de) 1999-12-01

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