CA2215805A1 - Module emetteur-recepteur a spectre etale faisant intervenir la transmission en mode multiple - Google Patents

Module emetteur-recepteur a spectre etale faisant intervenir la transmission en mode multiple Download PDF

Info

Publication number
CA2215805A1
CA2215805A1 CA002215805A CA2215805A CA2215805A1 CA 2215805 A1 CA2215805 A1 CA 2215805A1 CA 002215805 A CA002215805 A CA 002215805A CA 2215805 A CA2215805 A CA 2215805A CA 2215805 A1 CA2215805 A1 CA 2215805A1
Authority
CA
Canada
Prior art keywords
data
radio
communication
transceiver
wireless
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
CA002215805A
Other languages
English (en)
Inventor
Ronald L. Mahany
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Intermec IP Corp
Original Assignee
Individual
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
Priority claimed from US08/513,658 external-priority patent/US6714983B1/en
Application filed by Individual filed Critical Individual
Publication of CA2215805A1 publication Critical patent/CA2215805A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/403—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
    • H04B1/406—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency with more than one transmission mode, e.g. analog and digital modes
    • 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
    • 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
    • H04L1/0032—Without explicit signalling

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Module (501) émetteur-récepteur de données destiné à des transmissions de données numériques dans un terminal de transmission de données portatif, comportant de multiples modes de données à spectre étalé incluant des algorithmes de modulation à suite directe et à fonction de fréquence. Ledit module (501) émetteur-récepteur comporte de multiples cadences de transfert, modulations, découpages en canaux et gains de procédé configurables par l'utilisateur ou par le programme afin de maximaliser la qualité des transmissions de données radioélectriques et l'immunité à l'égard du brouillage. Des dispositifs d'accès sans fil dans un réseau à base de cellules étudient chacun une grande variété de facteurs lorsqu'ils choisissent un mode de fonctionnement sans fil parmi une pluralité de tels modes et des paramètres d'exploitation associés. Une telle sélection définit une voie de communication pour supporter les échanges sans fil de données, de messages et de communications. Dans d'autres modes de réalisation, les dispositifs d'accès sans fil supportent également une seconde voie, un signal d'occupation/de commande pour gérer la communication sur la principale voie de communication et vaincre les problèmes de déplacement et les problèmes cachés de terminal.
CA002215805A 1995-06-01 1996-06-03 Module emetteur-recepteur a spectre etale faisant intervenir la transmission en mode multiple Abandoned CA2215805A1 (fr)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US45769795A 1995-06-01 1995-06-01
US08/457,697 1995-06-01
US08/513,658 1995-08-11
US08/513,658 US6714983B1 (en) 1989-04-14 1995-08-11 Modular, portable data processing terminal for use in a communication network
US54481595A 1995-10-18 1995-10-18
US08/544,815 1995-10-18
US64534896A 1996-05-13 1996-05-13
US08/645,348 1996-05-13

Publications (1)

Publication Number Publication Date
CA2215805A1 true CA2215805A1 (fr) 1996-12-05

Family

ID=27504041

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002215805A Abandoned CA2215805A1 (fr) 1995-06-01 1996-06-03 Module emetteur-recepteur a spectre etale faisant intervenir la transmission en mode multiple

Country Status (3)

Country Link
AU (1) AU6476296A (fr)
CA (1) CA2215805A1 (fr)
WO (1) WO1996038925A1 (fr)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6459726B1 (en) 1998-04-24 2002-10-01 Micron Technology, Inc. Backscatter interrogators, communication systems and backscatter communication methods
IT245067Y1 (it) 1998-06-19 2002-03-19 4P Srl Struttura di elaboratore elettronico palmare multifunzione.
US6865216B1 (en) * 1998-08-20 2005-03-08 Skyworks Solutions Inc. Frequency hopping spread spectrum modulation and direct sequence spread spectrum modulation cordless telephone
AU6921500A (en) * 1999-08-20 2001-03-26 Vanu, Inc. Handheld software radios
US6443891B1 (en) * 2000-09-20 2002-09-03 Medtronic, Inc. Telemetry modulation protocol system for medical devices
US6757269B2 (en) * 2001-02-27 2004-06-29 Motorola, Inc. Mobile wireless router
US7194283B2 (en) 2002-08-14 2007-03-20 Intel Corporation Method and apparatus for communication using multiple communication protocols
TWI234943B (en) * 2002-08-14 2005-06-21 Intel Corp Method and apparatus for mitigating radio frequency interference between transceiver systems
US7016603B2 (en) 2002-11-26 2006-03-21 Lab Partners Associates, Inc. Wireless communication module
WO2007012041A2 (fr) 2005-07-20 2007-01-25 Lab Partners Associates, Inc. Systeme et procede de communication photographique sans fil
US7437063B2 (en) 2006-04-07 2008-10-14 Lab Partners Associates, Inc. Wireless camera flash synchronizer system and method
WO2008150902A1 (fr) 2007-05-29 2008-12-11 Lab Partners Associates, Inc. Système et procédé de maintien de communications de contact flash entre un appareil photographique et un dispositif sans fil
US8614766B1 (en) 2009-02-12 2013-12-24 Lab Partners Associates, Inc. Systems and methods for controlling a power state of a remote device using camera body backlighting control signaling
US8326141B1 (en) 2009-02-12 2012-12-04 Lab Partners Associates, Inc. Systems and methods for changing power states of a remote device using one or more camera body controls and a preset delay
US8326136B1 (en) 2009-02-12 2012-12-04 Lab Partners Associates, Inc. Systems and methods for communicating with a device using one or more camera body controls
US8718461B2 (en) 2009-02-12 2014-05-06 Lab Partners Associates, Inc. Photographic synchronization optimization system and method
CN102388342A (zh) 2009-02-12 2012-03-21 拉布合伙人联合公司 早期摄影同步系统和方法
US8600224B2 (en) 2010-07-14 2013-12-03 Lab Partners Associates, Inc. Photographic wireless communication protocol system and method
JP5823049B2 (ja) * 2012-09-21 2015-11-25 三菱電機株式会社 無線通信装置および無線通信システム
US9690169B2 (en) 2013-11-04 2017-06-27 Lab Partners Associates, Inc. Photographic lighting system and method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1290020C (fr) * 1987-02-09 1991-10-01 Steven Messenger Reseau local sans fil
JP2720076B2 (ja) * 1989-07-17 1998-02-25 京セラ株式会社 直接スペクトラム拡散受信機の自動校正装置
DE69232943T2 (de) * 1991-05-13 2003-08-28 Xircom Wireless, Inc. Sender/empfänger mit zwei betriebsarten
US5404375A (en) * 1993-08-23 1995-04-04 Westinghouse Electric Corp. Process and apparatus for satellite data communication
US5363402A (en) * 1993-09-08 1994-11-08 Rockwell International Corp. HF radio apparatus operable in multiple communication modes

Also Published As

Publication number Publication date
WO1996038925A1 (fr) 1996-12-05
AU6476296A (en) 1996-12-18

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Legal Events

Date Code Title Description
FZDE Discontinued
FZDE Discontinued

Effective date: 20020603