ATE152559T1 - Alternierendes sequentielles halb duplex uebertragungssystem - Google Patents

Alternierendes sequentielles halb duplex uebertragungssystem

Info

Publication number
ATE152559T1
ATE152559T1 AT89902364T AT89902364T ATE152559T1 AT E152559 T1 ATE152559 T1 AT E152559T1 AT 89902364 T AT89902364 T AT 89902364T AT 89902364 T AT89902364 T AT 89902364T AT E152559 T1 ATE152559 T1 AT E152559T1
Authority
AT
Austria
Prior art keywords
communication
transceiver
duty cycle
communication signal
terminals
Prior art date
Application number
AT89902364T
Other languages
English (en)
Inventor
Klein S Gilhousen
Franklin P Antonio
Irwin M Jacobs
Lindsay A Weaver Jr
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of ATE152559T1 publication Critical patent/ATE152559T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/713—Spread spectrum techniques using frequency hopping
    • H04B1/7136—Arrangements for generation of hop frequencies, e.g. using a bank of frequency sources, using continuous tuning or using a transform
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
    • G02B6/12007—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29304—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by diffraction, e.g. grating
    • G02B6/29305—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by diffraction, e.g. grating as bulk element, i.e. free space arrangement external to a light guide
    • G02B6/2931—Diffractive element operating in reflection
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29304—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by diffraction, e.g. grating
    • G02B6/29316—Light guides comprising a diffractive element, e.g. grating in or on the light guide such that diffracted light is confined in the light guide
    • G02B6/29325—Light guides comprising a diffractive element, e.g. grating in or on the light guide such that diffracted light is confined in the light guide of the slab or planar or plate like form, i.e. confinement in a single transverse dimension only
    • G02B6/29328—Diffractive elements operating in reflection
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29379—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device
    • G02B6/2938—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device for multiplexing or demultiplexing, i.e. combining or separating wavelengths, e.g. 1xN, NxM
    • G02B6/29382—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device for multiplexing or demultiplexing, i.e. combining or separating wavelengths, e.g. 1xN, NxM including at least adding or dropping a signal, i.e. passing the majority of signals
    • G02B6/29383—Adding and dropping
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
    • G02B6/4206—Optical features
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4246—Bidirectionally operating package structures
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4249—Packages, e.g. shape, construction, internal or external details comprising arrays of active devices and fibres
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4249—Packages, e.g. shape, construction, internal or external details comprising arrays of active devices and fibres
    • G02B6/425—Optical features
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/08—Construction or shape of optical resonators or components thereof
    • H01S3/08004—Construction or shape of optical resonators or components thereof incorporating a dispersive element, e.g. a prism for wavelength selection
    • H01S3/08009—Construction or shape of optical resonators or components thereof incorporating a dispersive element, e.g. a prism for wavelength selection using a diffraction grating
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
    • H01S5/14—External cavity lasers
    • H01S5/141—External cavity lasers using a wavelength selective device, e.g. a grating or etalon
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • H04B10/501—Structural aspects
    • H04B10/506—Multiwavelength transmitters
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/16—Half-duplex systems; Simplex/duplex switching; Transmission of break signals non-automatically inverting the direction of transmission
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29331—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by evanescent wave coupling
    • G02B6/29332—Wavelength selective couplers, i.e. based on evanescent coupling between light guides, e.g. fused fibre couplers with transverse coupling between fibres having different propagation constant wavelength dependency
    • G02B6/29334—Grating-assisted evanescent light guide couplers, i.e. comprising grating at or functionally associated with the coupling region between the light guides, e.g. with a grating positioned where light fields overlap in the coupler
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
    • H01S5/4025—Array arrangements, e.g. constituted by discrete laser diodes or laser bar
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
    • H01S5/4025—Array arrangements, e.g. constituted by discrete laser diodes or laser bar
    • H01S5/4031—Edge-emitting structures
    • H01S5/4062—Edge-emitting structures with an external cavity or using internal filters, e.g. Talbot filters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
    • H01S5/4025—Array arrangements, e.g. constituted by discrete laser diodes or laser bar
    • H01S5/4087—Array arrangements, e.g. constituted by discrete laser diodes or laser bar emitting more than one wavelength
    • 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

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Plasma & Fusion (AREA)
  • Radio Relay Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Bidirectional Digital Transmission (AREA)
  • Optical Communication System (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Amplifiers (AREA)
AT89902364T 1988-01-19 1988-12-21 Alternierendes sequentielles halb duplex uebertragungssystem ATE152559T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/145,176 US4979170A (en) 1988-01-19 1988-01-19 Alternating sequential half duplex communication system

Publications (1)

Publication Number Publication Date
ATE152559T1 true ATE152559T1 (de) 1997-05-15

Family

ID=22511938

Family Applications (1)

Application Number Title Priority Date Filing Date
AT89902364T ATE152559T1 (de) 1988-01-19 1988-12-21 Alternierendes sequentielles halb duplex uebertragungssystem

Country Status (10)

Country Link
US (1) US4979170A (de)
EP (1) EP0417099B1 (de)
JP (1) JP2974350B2 (de)
AT (1) ATE152559T1 (de)
AU (2) AU3059789A (de)
CA (1) CA1310696C (de)
DE (1) DE3855894T2 (de)
HK (1) HK1008130A1 (de)
SG (1) SG48270A1 (de)
WO (1) WO1989006883A1 (de)

Families Citing this family (168)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5303286A (en) * 1991-03-29 1994-04-12 Space Systems/Loral, Inc. Wireless telephone/satellite roaming system
US4928274A (en) * 1988-01-19 1990-05-22 Qualcomm, Inc. Multiplexed address control in a TDM communication system
US5638375A (en) * 1988-11-30 1997-06-10 Motorola, Inc. AGC isolation of information in TDMA systems
US5274836A (en) * 1989-08-08 1993-12-28 Gde Systems, Inc. Multiple encoded carrier data link
IE78845B1 (en) * 1990-02-27 1998-03-11 Motorola Inc Shared-carrier frequency-hopping
US5327572A (en) * 1990-03-06 1994-07-05 Motorola, Inc. Networked satellite and terrestrial cellular radiotelephone systems
US5446756A (en) * 1990-03-19 1995-08-29 Celsat America, Inc. Integrated cellular communications system
US5073900A (en) * 1990-03-19 1991-12-17 Mallinckrodt Albert J Integrated cellular communications system
US6749122B1 (en) * 1990-05-25 2004-06-15 Broadcom Corporation Multi-level hierarchial radio-frequency system communication system
JP3190660B2 (ja) * 1990-06-13 2001-07-23 ソニー株式会社 メッセージ伝送システム
US5303393A (en) * 1990-11-06 1994-04-12 Radio Satellite Corporation Integrated radio satellite response system and method
US5402413A (en) 1991-04-08 1995-03-28 Omnipoint Corporation Three-cell wireless communication system
US5815525A (en) * 1991-05-13 1998-09-29 Omnipoint Corporation Multi-band, multi-mode spread-spectrum communication system
US5790587A (en) * 1991-05-13 1998-08-04 Omnipoint Corporation Multi-band, multi-mode spread-spectrum communication system
US5887020A (en) * 1991-05-13 1999-03-23 Omnipoint Corporation Multi-band, multi-mode spread-spectrum communication system
US5796772A (en) * 1991-05-13 1998-08-18 Omnipoint Corporation Multi-band, multi-mode spread-spectrum communication system
US5694414A (en) * 1991-05-13 1997-12-02 Omnipoint Corporation Multi-band, multi-mode spread-spectrum communication system
US5285469A (en) 1991-06-03 1994-02-08 Omnipoint Data Corporation Spread spectrum wireless telephone 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
CN1038174C (zh) * 1991-11-12 1998-04-22 美国西塞特公司 综合蜂窝状通信网系统
WO1993012597A1 (en) * 1991-12-16 1993-06-24 Omnipoint Corporation Spread-spectrum data publishing system
US5737685A (en) * 1992-02-25 1998-04-07 Motorola, Inc. Co-located subscriber unit to subscriber unit communication within a satellite communication system
US5832380A (en) * 1992-03-06 1998-11-03 Aircell Incorporated Nonterrestrial cellular mobile telecommunication system
US5878346A (en) * 1992-03-06 1999-03-02 Aircell Incorporated Nonterrestrial cellular mobile telecommunication network
US5884166A (en) * 1992-03-06 1999-03-16 Aircell, Incorporated Multidimensional cellular mobile telecommunication system
US5878345A (en) * 1992-03-06 1999-03-02 Aircell, Incorporated Antenna for nonterrestrial mobile telecommunication system
US5444762A (en) * 1993-03-08 1995-08-22 Aircell, Inc. Method and apparatus for reducing interference among cellular telephone signals
US5263047A (en) * 1992-07-02 1993-11-16 Motorola, Inc. Multiple cavity tuning of a transmitter output in a communication system
US5410315A (en) * 1992-12-08 1995-04-25 Texas Instruments Incorporated Group-addressable transponder arrangement
US5708679A (en) * 1993-03-11 1998-01-13 Southern California Edison Company Hitless ultra small aperture terminal satellite communication network
US6366244B1 (en) 1993-03-11 2002-04-02 Southern California Edison Company Planar dual band microstrip or slotted waveguide array antenna for all weather applications
US6175717B1 (en) 1993-04-16 2001-01-16 Trans Video Electronics, Inc. Global mobile video communications system
US5594936A (en) * 1993-04-16 1997-01-14 Trans Video Electronics, Inc. Global digital video news distribution system
US7397363B2 (en) * 1993-06-08 2008-07-08 Raymond Anthony Joao Control and/or monitoring apparatus and method
US6094575A (en) * 1993-11-01 2000-07-25 Omnipoint Corporation Communication system and method
US5666379A (en) * 1993-11-01 1997-09-09 Omnipoint Corporation Best-of-M pulse position modulation detector
US6088590A (en) * 1993-11-01 2000-07-11 Omnipoint Corporation Method and system for mobile controlled handoff and link maintenance in spread spectrum communication
US6005856A (en) * 1993-11-01 1999-12-21 Omnipoint Corporation Communication protocol for spread spectrum wireless communication system
US5654978A (en) * 1993-11-01 1997-08-05 Omnipoint Corporation Pulse position modulation with spread spectrum
KR960706234A (ko) * 1993-11-01 1996-11-08 에블린 콜드파인 두개의 스펙트럼 확산 주파수 밴드를 갖는 이중 모드 와이어리스 유닛(Dual-Mode Wireless Unit with Two Spread-Spectrum Frequency Bands)
US5420851A (en) * 1993-11-24 1995-05-30 At&T Corp. Method of multiple access
US5594720A (en) * 1993-11-24 1997-01-14 Lucent Technologies Inc. Multiple access cellular communication with dynamic slot allocation and reduced co-channel interferences
US5602836A (en) * 1993-11-24 1997-02-11 Lucent Technologies Inc. Multiple access cellular communication with circular interleaving and reduced dropped-packet runlengths
US5434548A (en) * 1994-03-28 1995-07-18 Qualcomm Incorporated Coaxial-waveguide rotary coupling assemblage
AU2291195A (en) * 1994-04-12 1995-10-30 Qualcomm Incorporated Method and apparatus for freight transportation using a satellite navigation system
US5610906A (en) * 1994-06-29 1997-03-11 Interdigital Technology Corporation Spread-spectrum changeable base station
JP2606145B2 (ja) * 1994-08-15 1997-04-30 日本電気株式会社 衛星通信方式
CN1097353C (zh) * 1994-09-14 2002-12-25 艾利森公司 用于蜂窝手机的卫星通信适配器
US5625640A (en) * 1994-09-16 1997-04-29 Hughes Electronics Apparatus for and method of broadcast satellite network return-link signal transmission
CN1092876C (zh) * 1994-12-12 2002-10-16 艾利森公司 移动通信系统中的定向分集信道分配
ATE214829T1 (de) 1994-12-19 2002-04-15 Qualcomm Inc Verfahren und gerät zur anzeige von nachrichten in kommunikationssystemen für fahrzeuge
US5734966A (en) * 1995-01-20 1998-03-31 Diablo Research Corporation Wireless communication system for adapting to frequency drift
US5959980A (en) 1995-06-05 1999-09-28 Omnipoint Corporation Timing adjustment control for efficient time division duplex communication
US5745484A (en) * 1995-06-05 1998-04-28 Omnipoint Corporation Efficient communication system using time division multiplexing and timing adjustment control
US5802046A (en) * 1995-06-05 1998-09-01 Omnipoint Corporation Efficient time division duplex communication system with interleaved format and timing adjustment control
US5689502A (en) * 1995-06-05 1997-11-18 Omnipoint Corporation Efficient frequency division duplex communication system with interleaved format and timing adjustment control
US7929498B2 (en) 1995-06-30 2011-04-19 Interdigital Technology Corporation Adaptive forward power control and adaptive reverse power control for spread-spectrum communications
US6885652B1 (en) 1995-06-30 2005-04-26 Interdigital Technology Corporation Code division multiple access (CDMA) communication system
US7123600B2 (en) 1995-06-30 2006-10-17 Interdigital Technology Corporation Initial power control for spread-spectrum communications
US7020111B2 (en) 1996-06-27 2006-03-28 Interdigital Technology Corporation System for using rapid acquisition spreading codes for spread-spectrum communications
ZA965340B (en) 1995-06-30 1997-01-27 Interdigital Tech Corp Code division multiple access (cdma) communication system
JPH0918378A (ja) * 1995-07-03 1997-01-17 Matsushita Electric Ind Co Ltd 無線回路
US6041046A (en) * 1995-07-14 2000-03-21 Omnipoint Corporation Cyclic time hopping in time division multiple access communication system
US5592175A (en) * 1995-08-25 1997-01-07 Motorola, Inc. Location determination method and apparatus for a communication unit
US5652750A (en) * 1995-08-28 1997-07-29 Ericsson Inc. Optical satellite feeder links
US5768254A (en) * 1995-09-29 1998-06-16 Lucent Technologies Inc. Multiple access cellular communication with signal cancellation to reduce co-channel interference
JP3212854B2 (ja) * 1995-11-30 2001-09-25 三菱電機株式会社 アンテナ初期値設定装置及び初期値設定方法及び衛星通信システム
US7590083B2 (en) * 1995-12-07 2009-09-15 Transcore Link Logistics Corp. Wireless packet data distributed communications system
CA2239985C (en) * 1995-12-08 2002-05-14 Amsc Subsidiary Corporation Mobile communications terminal for satellite communications system
US6100792A (en) * 1996-05-20 2000-08-08 Alpine Electronics, Inc. Car security apparatus and car security system
US6084870A (en) * 1996-07-22 2000-07-04 Qualcomm Incorporated Method and apparatus for the remote monitoring and configuration of electronic control systems
US5918158A (en) * 1996-07-24 1999-06-29 Lucent Technologies Inc. Two-way wireless messaging system
US5937332A (en) * 1997-03-21 1999-08-10 Ericsson, Inc. Satellite telecommunications repeaters and retransmission methods
US6243366B1 (en) * 1997-06-20 2001-06-05 At&T Corp. Method and apparatus for providing interactive two-way communications using a single one-way channel in satellite systems
US6073007A (en) 1997-07-24 2000-06-06 Qualcomm Incorporated Wireless fleet communications system for providing separable communications services
JPH1141132A (ja) * 1997-07-24 1999-02-12 Toshiba Corp 無線通信装置
US6026292A (en) * 1997-08-19 2000-02-15 Qualcomm Incorporated Truck communication system
US5991615A (en) * 1997-08-18 1999-11-23 Transcommunications, Inc. Truck communication system
US5940739A (en) * 1997-10-24 1999-08-17 Conrad; Charles Multiple access satellite communications network
US7006788B1 (en) 1997-12-11 2006-02-28 Dyncorp Information Systems Llc Method and system for preventing sun transit outages in point-to-multipoint satellite systems
US7020103B1 (en) * 1998-03-26 2006-03-28 Ericsson Inc. Broadband communication system using point and shoot approach
US6515976B1 (en) * 1998-04-06 2003-02-04 Ericsson Inc. Demodulation method and apparatus in high-speed time division multiplexed packet data transmission
US6181931B1 (en) * 1998-08-28 2001-01-30 Qualcomm Inc. Method and apparatus for dynamic address allocation in a wireless communication system
CN1606021A (zh) * 1998-08-31 2005-04-13 株式会社神户制钢所 建筑机械管理系统
US6124810A (en) 1998-09-15 2000-09-26 Qualcomm Incorporated Method and apparatus for automatic event detection in a wireless communication system
GB9826665D0 (en) * 1998-12-03 1999-01-27 Nokia Telecommunications Oy A receiver and method of receiving
FR2786937B1 (fr) * 1998-12-04 2001-02-16 Photonetics Source multi-longueur d'onde
US7215954B1 (en) 1999-03-18 2007-05-08 The Directv Group, Inc. Resource allocation method for multi-platform communication system
US6920309B1 (en) 1999-03-18 2005-07-19 The Directv Group, Inc. User positioning technique for multi-platform communication system
GB9909196D0 (en) * 1999-04-21 1999-06-16 Texas Instruments Ltd Transfer controller with hub and ports architecture
US6947469B2 (en) 1999-05-07 2005-09-20 Intel Corporation Method and Apparatus for wireless spread spectrum communication with preamble processing period
FR2793631B1 (fr) * 1999-05-10 2001-07-27 Centre Nat Etd Spatiales Terminal de communication bidirectionnel multmedia
US6422628B1 (en) * 1999-05-10 2002-07-23 Veridian Erim International, Inc. Transportable satellite communication station including double-expandable trailer
AU5588000A (en) * 1999-05-19 2000-12-05 Id Systems, Inc. Fully automated vehicle rental system
US20080015955A1 (en) * 1999-05-19 2008-01-17 I.D. Systems, Inc. Mobile asset data management system
US7656271B2 (en) * 2002-01-09 2010-02-02 I.D. Systems, Inc. System and method for managing a remotely located asset
US7356494B2 (en) * 1999-05-19 2008-04-08 I.D. Systems, Inc. Robust wireless communications system architecture and asset management applications performed thereon
US7356390B2 (en) 1999-06-29 2008-04-08 Space Data Corporation Systems and applications of lighter-than-air (LTA) platforms
US6628941B2 (en) 1999-06-29 2003-09-30 Space Data Corporation Airborne constellation of communications platforms and method
US7203491B2 (en) 2001-04-18 2007-04-10 Space Data Corporation Unmanned lighter-than-air safe termination and recovery methods
US7215650B1 (en) * 1999-08-16 2007-05-08 Viasat, Inc. Adaptive data rate control for narrowcast networks
US7068147B2 (en) * 1999-12-07 2006-06-27 Denso Corporation Control information rewriting system
US7339520B2 (en) * 2000-02-04 2008-03-04 The Directv Group, Inc. Phased array terminal for equatorial satellite constellations
WO2001065876A1 (en) * 2000-02-29 2001-09-07 Qualcomm Incorporated Programmable mobile communications terminal with randomized off-peak transmissions
US20010043573A1 (en) * 2000-04-14 2001-11-22 Frank Kelly System and method for providing control of a two-way satellite system
US6963548B1 (en) 2000-04-17 2005-11-08 The Directv Group, Inc. Coherent synchronization of code division multiple access signals
US6388615B1 (en) * 2000-06-06 2002-05-14 Hughes Electronics Corporation Micro cell architecture for mobile user tracking communication system
US6756937B1 (en) 2000-06-06 2004-06-29 The Directv Group, Inc. Stratospheric platforms based mobile communications architecture
ATE527764T1 (de) 2000-08-02 2011-10-15 Atc Tech Llc Koordinierte wiederverwendung von frequenzen von einem irdischen system und einem satellitensystem.
US6859652B2 (en) 2000-08-02 2005-02-22 Mobile Satellite Ventures, Lp Integrated or autonomous system and method of satellite-terrestrial frequency reuse using signal attenuation and/or blockage, dynamic assignment of frequencies and/or hysteresis
US6771615B1 (en) * 2000-08-18 2004-08-03 Hughes Electronics Corporation Synchronization apparatus and method for a return link power control for satellite systems
US7092803B2 (en) * 2000-08-18 2006-08-15 Idsc Holdings, Llc Remote monitoring, configuring, programming and diagnostic system and method for vehicles and vehicle components
US6763242B1 (en) 2000-09-14 2004-07-13 The Directv Group, Inc. Resource assignment system and method for determining the same
US7792488B2 (en) 2000-12-04 2010-09-07 Atc Technologies, Llc Systems and methods for transmitting electromagnetic energy over a wireless channel having sufficiently weak measured signal strength
US6952580B2 (en) 2000-12-12 2005-10-04 The Directv Group, Inc. Multiple link internet protocol mobile communications system and method therefor
US7400857B2 (en) 2000-12-12 2008-07-15 The Directv Group, Inc. Communication system using multiple link terminals
US6891813B2 (en) 2000-12-12 2005-05-10 The Directv Group, Inc. Dynamic cell CDMA code assignment system and method
US7181162B2 (en) 2000-12-12 2007-02-20 The Directv Group, Inc. Communication system using multiple link terminals
US7103317B2 (en) * 2000-12-12 2006-09-05 The Directv Group, Inc. Communication system using multiple link terminals for aircraft
US6559797B1 (en) 2001-02-05 2003-05-06 Hughes Electronics Corporation Overlapping subarray patch antenna system
US7068733B2 (en) * 2001-02-05 2006-06-27 The Directv Group, Inc. Sampling technique for digital beam former
US9908608B2 (en) 2001-04-18 2018-03-06 Space Data Corporation Systems and applications of lighter-than-air (LTA) platforms
US9643706B2 (en) 2001-04-18 2017-05-09 Space Data Corporation Systems and applications of lighter-than-air (LTA) platforms
US9632503B2 (en) 2001-04-18 2017-04-25 Space Data Corporation Systems and applications of lighter-than-air (LTA) platforms
US7155321B2 (en) 2001-08-06 2006-12-26 Idsc Holdings Llc System, method and computer program product for remote vehicle diagnostics, monitoring, configuring and reprogramming
US7068704B1 (en) * 2001-09-26 2006-06-27 Itt Manufacturing Enterpprises, Inc. Embedded chirp signal for position determination in cellular communication systems
US7212984B2 (en) * 2001-10-29 2007-05-01 Qualcomm Incorporated Method and apparatus for providing virtual capacity to a provider of services
US7765297B2 (en) * 2001-11-13 2010-07-27 Qualcomm Incorporated System for providing online service reports
KR100450815B1 (ko) * 2002-02-01 2004-10-01 삼성전자주식회사 조명계 및 이를 채용한 프로젝션 디스플레이 장치
US20030162523A1 (en) * 2002-02-27 2003-08-28 Michael Kapolka Vehicle telemetry system and method
US7730208B2 (en) * 2002-05-09 2010-06-01 Hughes Network Systems, Inc. Method and system for centrally exchanging terminal information over a meshed network
US20040114625A1 (en) * 2002-10-25 2004-06-17 Roundy Larry Lee Method and apparatus for simultaneous incoming digital call processing using H.221 protocol
US20050029872A1 (en) * 2003-08-08 2005-02-10 Ehrman Kenneth S. Universal power supply
AU2006218710A1 (en) * 2005-03-01 2006-09-08 I.D. Systems, Inc. Mobile portal for RFID applications
US7786844B2 (en) * 2005-03-01 2010-08-31 I.D. Systems, Inc. Mobile portal for RFID applications
KR100677481B1 (ko) * 2005-08-04 2007-02-02 엘지전자 주식회사 Ｒｆｉｄ 기능을 내장한 이동 단말기의 안테나 공유 장치및 방법
US20070120664A1 (en) * 2005-11-30 2007-05-31 Syncro Corporation Fire hydrant locating system
DE102006021100A1 (de) * 2006-05-05 2007-11-08 Benq Mobile Gmbh & Co. Ohg Verfahren zum Übertragen von Daten in einem Funknetzwerk, Funknetzwerk und Empfänger
US8508352B2 (en) 2006-09-07 2013-08-13 Qualcomm Incorporated Hardware continuity loop for preventing vehicle misappropriation
US7760077B2 (en) * 2007-06-05 2010-07-20 Qualcomm Incorporated Establishing and securing a unique wireless RF link between a tractor and a trailer using a wired connection
US9305405B2 (en) * 2007-06-26 2016-04-05 Omnitracs, Llc Reefer fuel tax reporting for the transport industry
US8023886B2 (en) * 2007-09-28 2011-09-20 Broadcom Corporation Method and system for repeater with gain control and isolation via polarization
US7881753B2 (en) * 2007-09-28 2011-02-01 Broadcom Corporation Method and system for sharing multiple antennas between TX and RX in a repeat field of polarization isolation
US20090128291A1 (en) * 2007-11-19 2009-05-21 Broadcom Corporation Method and apparatus of rfid communication during device assembly
FR2936674B1 (fr) 2008-09-26 2010-11-05 Centre Nat Etd Spatiales Procede d'acces de transmission sans duplexeur frequentiel
US8682956B2 (en) * 2011-06-09 2014-03-25 Gm Global Technology Operations, Inc Systems and methods for determining recommended media content for exchange between vehicles
US9098312B2 (en) 2011-11-16 2015-08-04 Ptc Inc. Methods for dynamically generating an application interface for a modeled entity and devices thereof
US9576046B2 (en) 2011-11-16 2017-02-21 Ptc Inc. Methods for integrating semantic search, query, and analysis across heterogeneous data types and devices thereof
US8909641B2 (en) 2011-11-16 2014-12-09 Ptc Inc. Method for analyzing time series activity streams and devices thereof
CN102843178B (zh) * 2012-07-27 2014-12-17 航天东方红卫星有限公司 一种兼容标准统一s波段测控体制的扩频中继测控系统
JP6285010B2 (ja) 2013-03-15 2018-02-28 ピーティーシー インコーポレイテッド 意味論的モデル化およびタグ付けを使用してアプリケーションを管理する方法およびその装置
WO2015143416A1 (en) 2014-03-21 2015-09-24 Ptc Inc. Systems and methods for developing and using real-time data applications
US9467533B2 (en) 2014-03-21 2016-10-11 Ptc Inc. System and method for developing real-time web-service objects
US10313410B2 (en) 2014-03-21 2019-06-04 Ptc Inc. Systems and methods using binary dynamic rest messages
US9762637B2 (en) 2014-03-21 2017-09-12 Ptc Inc. System and method of using binary dynamic rest messages
US9462085B2 (en) 2014-03-21 2016-10-04 Ptc Inc. Chunk-based communication of binary dynamic rest messages
US10025942B2 (en) 2014-03-21 2018-07-17 Ptc Inc. System and method of establishing permission for multi-tenancy storage using organization matrices
US9961058B2 (en) 2014-03-21 2018-05-01 Ptc Inc. System and method of message routing via connection servers in a distributed computing environment
US9350791B2 (en) 2014-03-21 2016-05-24 Ptc Inc. System and method of injecting states into message routing in a distributed computing environment
US9350812B2 (en) 2014-03-21 2016-05-24 Ptc Inc. System and method of message routing using name-based identifier in a distributed computing environment
US9560170B2 (en) 2014-03-21 2017-01-31 Ptc Inc. System and method of abstracting communication protocol using self-describing messages
MX2017008552A (es) 2014-12-24 2018-03-15 Space Data Corp Tecnicas para lanzamiento de globo/aeronave inteligente y ubicación de ventana de recuperacion.
CA2972348C (en) 2014-12-24 2023-03-14 Space Data Corporation Breaking apart a platform upon pending collision
US10059421B2 (en) 2014-12-30 2018-08-28 Space Data Corporation Multifunctional balloon membrane
EP3304769B1 (de) 2015-05-31 2019-09-11 Hughes Network Systems, LLC Halbduplex-kommunikation zum betrieb eines very-small-aperture-terminal (vsat) auf einem kontinuierlichen strom
KR102324960B1 (ko) 2015-06-25 2021-11-12 삼성전자 주식회사 통신 장치 및 이를 포함하는 전자 장치
US11280880B2 (en) 2019-11-21 2022-03-22 Rockwell Collins, Inc. Single channel dual orthogonal linear polarization array
US11239904B2 (en) * 2020-02-11 2022-02-01 Ast & Science, Llc Geolocation of radio frequency devices using spaceborne phased arrays

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4009343A (en) * 1974-12-30 1977-02-22 International Business Machines Corporation Switching and activity compression between telephone lines and digital communication channels
DE2615198C3 (de) * 1976-04-08 1979-08-16 Standard Elektrik Lorenz Ag, 7000 Stuttgart Nachrichtenübertragungssystem zum zweiseitig gerichteten Nachrichtenverkehr zwischen einer Hauptstation und mehreren Unterstationen über einen Satelliten
US4172214A (en) * 1977-03-25 1979-10-23 Trw Inc. Integrated message accounting system
US4288862A (en) * 1977-12-21 1981-09-08 Nippon Telegraph And Telephone Public Corp. Memory circuit
NL7806618A (nl) * 1978-06-20 1979-12-27 Philips Nv Satellietcommunicatiestelsel voor spraak en telegrafie.
US4287588A (en) * 1979-04-12 1981-09-01 The United States Of America As Represented By The Secretary Of The Army Multiple access, time-division multiplex, satellite communications system
US4309764A (en) * 1979-06-22 1982-01-05 Bell Telephone Laboratories, Incorporated Technique for increasing the rain margin of a satellite communication system
US4408322A (en) * 1980-11-07 1983-10-04 Satellite Business Systems Method and apparatus for measuring signal to noise ratio in a TDMA communications system
GB2118337B (en) * 1982-02-09 1986-01-15 Nippon Electric Co Pager receiver for giving at least one of extraordinary tones and extraordinary displays
US4504946A (en) * 1982-06-11 1985-03-12 Rca Corporation Time division multiple access communication systems
US4625308A (en) * 1982-11-30 1986-11-25 American Satellite Company All digital IDMA dynamic channel allocated satellite communications system and method
US4686672A (en) * 1983-10-13 1987-08-11 Nec Corporation TDMA communications apparatus having adaptive burst duration
US4549303A (en) * 1983-12-27 1985-10-22 The United States Of America As Represented By The Secretary Of The Army Multichannel time division multiplexed trunk transmission link
US4686673A (en) * 1984-02-15 1987-08-11 Toshinori Hotta Synchronizing burst transmission phase control system
US4608684A (en) * 1984-03-26 1986-08-26 Itt Corporation Digital switching systems employing multi-channel frame association apparatus
US4581749A (en) * 1984-07-02 1986-04-08 Motorola, Inc. Data frequency modulator with deviation control
JPS61120538A (ja) * 1984-11-15 1986-06-07 Nec Corp 多方向多重通信装置
US4713808A (en) * 1985-11-27 1987-12-15 A T & E Corporation Watch pager system and communication protocol
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
US4617658A (en) * 1985-04-17 1986-10-14 Bell Communications Research, Inc. Frame arrangement for multiplexing a plurality of subchannels onto a fixed rate channel
NL8502023A (nl) * 1985-07-15 1987-02-02 Philips Nv Werkwijze voor het schakelen van tijdsloten in een tdm-signaal en inrichting voor het uitvoeren van de werkwijze.
DE3527330A1 (de) * 1985-07-31 1987-02-05 Philips Patentverwaltung Digitales funkuebertragungssystem mit verbindungsbegleitenden organisationskanal im zeitmultiplexrahmen
US4644529A (en) * 1985-08-02 1987-02-17 Gte Laboratories Incorporated High-speed switching processor for a burst-switching communications system
US4646294A (en) * 1985-08-02 1987-02-24 Gte Laboratories Incorporated High-speed queue sequencer for a burst-switching communications system
US4736371A (en) * 1985-12-30 1988-04-05 Nec Corporation Satellite communications system with random multiple access and time slot reservation
US4928274A (en) * 1988-01-19 1990-05-22 Qualcomm, Inc. Multiplexed address control in a TDM communication system

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DE3855894D1 (de) 1997-06-05
CA1310696C (en) 1992-11-24
HK1008130A1 (en) 1999-04-30
JPH01502619A (ja) 1989-09-07
JP2974350B2 (ja) 1999-11-10
AU640561B2 (en) 1993-08-26
EP0417099B1 (de) 1997-05-02
EP0417099A4 (en) 1991-07-31
DE3855894T2 (de) 1997-12-11
AU1295792A (en) 1992-05-21
EP0417099A1 (de) 1991-03-20
US4979170A (en) 1990-12-18
AU3059789A (en) 1989-08-11
WO1989006883A1 (en) 1989-07-27
SG48270A1 (en) 1998-04-17

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