HUP0001749A3 - Robust method and apparatus enabling multi-mode wireless optical communication - Google Patents

Robust method and apparatus enabling multi-mode wireless optical communication

Info

Publication number
HUP0001749A3
HUP0001749A3 HU0001749A HUP0001749A HUP0001749A3 HU P0001749 A3 HUP0001749 A3 HU P0001749A3 HU 0001749 A HU0001749 A HU 0001749A HU P0001749 A HUP0001749 A HU P0001749A HU P0001749 A3 HUP0001749 A3 HU P0001749A3
Authority
HU
Hungary
Prior art keywords
optical communication
mode wireless
wireless optical
robust method
apparatus enabling
Prior art date
Application number
HU0001749A
Other languages
English (en)
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of HUP0001749A2 publication Critical patent/HUP0001749A2/hu
Publication of HUP0001749A3 publication Critical patent/HUP0001749A3/hu

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
    • H04L7/042—Detectors therefor, e.g. correlators, state machines
    • 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
    • H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
    • H04B10/114—Indoor or close-range type systems
    • H04B10/1141—One-way transmission
    • 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
    • H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
    • H04B10/114—Indoor or close-range type systems
    • H04B10/1149—Arrangements for indoor wireless networking of information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0025—Transmission of mode-switching indication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
    • H04L7/046—Speed or phase control by synchronisation signals using special codes as synchronising signal using a dotting sequence
    • 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
    • Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate
HU0001749A 1996-01-03 1996-01-03 Robust method and apparatus enabling multi-mode wireless optical communication HUP0001749A3 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
PCT/IB1996/000002 WO1997025788A1 (en) 1996-01-03 1996-01-03 Robust method and apparatus enabling multi-mode wireless optical communication
CA002241937A CA2241937C (en) 1996-01-03 1996-01-03 Robust method and apparatus enabling multi-mode wireless optical communication
CNB961995165A CN1297085C (zh) 1996-01-03 1996-01-03 实现多模式无线光通信的健壮方法和装置

Publications (2)

Publication Number Publication Date
HUP0001749A2 HUP0001749A2 (hu) 2000-09-28
HUP0001749A3 true HUP0001749A3 (en) 2002-01-28

Family

ID=27170746

Family Applications (1)

Application Number Title Priority Date Filing Date
HU0001749A HUP0001749A3 (en) 1996-01-03 1996-01-03 Robust method and apparatus enabling multi-mode wireless optical communication

Country Status (13)

Country Link
US (1) US6442145B1 (hu)
EP (1) EP0872049B1 (hu)
JP (1) JP3202755B2 (hu)
CN (1) CN1297085C (hu)
AT (1) ATE239332T1 (hu)
CA (1) CA2241937C (hu)
CZ (1) CZ204098A3 (hu)
DE (1) DE69627886T2 (hu)
ES (1) ES2193232T3 (hu)
HK (1) HK1016369A1 (hu)
HU (1) HUP0001749A3 (hu)
PL (1) PL180350B1 (hu)
WO (1) WO1997025788A1 (hu)

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Also Published As

Publication number Publication date
HUP0001749A2 (hu) 2000-09-28
EP0872049A1 (en) 1998-10-21
CN1207220A (zh) 1999-02-03
EP0872049B1 (en) 2003-05-02
CA2241937A1 (en) 1997-07-17
CN1297085C (zh) 2007-01-24
HK1016369A1 (en) 1999-10-29
JP3202755B2 (ja) 2001-08-27
CZ204098A3 (cs) 1998-10-14
CA2241937C (en) 2004-04-27
PL180350B1 (pl) 2001-01-31
DE69627886T2 (de) 2004-05-19
US6442145B1 (en) 2002-08-27
ATE239332T1 (de) 2003-05-15
PL327574A1 (en) 1998-12-21
ES2193232T3 (es) 2003-11-01
WO1997025788A1 (en) 1997-07-17
DE69627886D1 (de) 2003-06-05
JPH11502096A (ja) 1999-02-16

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Legal Events

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FD9A Lapse of provisional protection due to non-payment of fees