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CA2081794A1 - Dispositif et methode pour modifier la sequence de sauts de frequence d'un telephone sans fil de systeme telephonique a sauts de frequence - Google Patents

Dispositif et methode pour modifier la sequence de sauts de frequence d'un telephone sans fil de systeme telephonique a sauts de frequence

Info

Publication number
CA2081794A1
CA2081794A1 CA2081794A CA2081794A CA2081794A1 CA 2081794 A1 CA2081794 A1 CA 2081794A1 CA 2081794 A CA2081794 A CA 2081794A CA 2081794 A CA2081794 A CA 2081794A CA 2081794 A1 CA2081794 A1 CA 2081794A1
Authority
CA
Canada
Prior art keywords
frequency hopping
cordless telephone
modifying
telephone operating
communication channels
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.)
Granted
Application number
CA2081794A
Other languages
English (en)
Other versions
CA2081794C (fr
Inventor
Mark E Gillis
Kenneth W. Leland
William J. Nealon
Hon Yu
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.)
AT&T 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
Application filed by Individual filed Critical Individual
Publication of CA2081794A1 publication Critical patent/CA2081794A1/fr
Application granted granted Critical
Publication of CA2081794C publication Critical patent/CA2081794C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H04B1/715—Interference-related aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/725—Cordless telephones
    • H04M1/72502—Cordless telephones with one base station connected to a single line
    • H04M1/72505—Radio link set-up procedures
    • H04M1/72511—Searching for available channels
    • 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
    • H04B1/715—Interference-related aspects
    • H04B2001/7154—Interference-related aspects with means for preventing interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/725—Cordless telephones
    • H04M1/727—Identification code transfer arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
CA002081794A 1991-11-01 1992-10-30 Dispositif et methode pour modifier la sequence de sauts de frequence d'un telephone sans fil de systeme telephonique a sauts de frequence Expired - Fee Related CA2081794C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US786,639 1991-11-01
US07/786,639 US5323447A (en) 1991-11-01 1991-11-01 Apparatus and method for modifying a frequency hopping sequence of a cordless telephone operating in a frequency hopping system

Publications (2)

Publication Number Publication Date
CA2081794A1 true CA2081794A1 (fr) 1993-05-02
CA2081794C CA2081794C (fr) 1997-05-06

Family

ID=25139186

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002081794A Expired - Fee Related CA2081794C (fr) 1991-11-01 1992-10-30 Dispositif et methode pour modifier la sequence de sauts de frequence d'un telephone sans fil de systeme telephonique a sauts de frequence

Country Status (5)

Country Link
US (1) US5323447A (fr)
KR (1) KR100255898B1 (fr)
CA (1) CA2081794C (fr)
GB (1) GB2261141B (fr)
HK (1) HK114996A (fr)

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GB0100093D0 (en) * 2001-01-03 2001-02-14 Vtech Communications Ltd Adaptive frequency hopping strategy
US7532610B2 (en) * 2001-01-16 2009-05-12 Texas Instruments Incorporated Structured adaptive frequency hopping
US7236511B2 (en) * 2001-01-16 2007-06-26 Texas Instruments Incorporated Structured adaptive frequency hopping
US7222166B2 (en) * 2001-01-25 2007-05-22 Bandspeed, Inc. Approach for managing communications channels based on performance and transferring functions between participants in a communications arrangement
US7570614B2 (en) * 2001-01-25 2009-08-04 Bandspeed, Inc. Approach for managing communications channels based on performance
US7027418B2 (en) * 2001-01-25 2006-04-11 Bandspeed, Inc. Approach for selecting communications channels based on performance
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US7116699B2 (en) * 2001-03-12 2006-10-03 Texas Instruments Incorporated Frequency re-mapping for structure adaptive frequency hopping
KR100541947B1 (ko) * 2001-05-12 2006-01-10 삼성전자주식회사 무선통신시스템간의 상호간섭을 회피하기 위한무선통신방법 및 장치
KR20030003988A (ko) * 2001-07-04 2003-01-14 전자부품연구원 무선 개인 망 네트워크 시스템의 적응형 주파수 도약장치
US7151790B1 (en) * 2001-09-28 2006-12-19 Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of Industry Automatic signal extraction and analysis from time-frequency representation
RU2212105C1 (ru) * 2002-02-08 2003-09-10 Государственный научно-исследовательский испытательный институт проблем технической защиты информации Государственной технической комиссии при Президенте Российской Федерации Способ передачи дискретной информации в радиолинии с псевдослучайной перестройкой рабочей частоты
US7245649B2 (en) 2002-07-09 2007-07-17 Telefonaktiebolaget Lm Ericsson (Publ) Methods and apparatus for adapting a hop sequence when establishing a communication connection
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DE10314553A1 (de) * 2003-03-31 2004-10-28 Infineon Technologies Ag Frequenzkanalselektion in einem ein Frequenzsprungverfahren verwendenden Datenübertragungsverfahren
DE10320176B3 (de) * 2003-05-06 2004-12-09 Infineon Technologies Ag Verfahren zur Selektion der Frequenzkanäle eines ein Frequenzsprungverfahren verwendenden Funksystems
DE10320157B3 (de) * 2003-05-06 2004-11-11 Infineon Technologies Ag Kanalqualifizierung und -selektion in einem mehrkanaligen Funksystem durch Paketfehlerraten-Messung
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US7639728B2 (en) * 2003-07-08 2009-12-29 Qualcomm Incorporated Methods for generating and transmitting frequency hopped signals
US7693488B2 (en) * 2004-09-30 2010-04-06 Vtech Telecommunications Limited System and method for asymmetric enhanced mode operation in a digital communication system
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Also Published As

Publication number Publication date
KR100255898B1 (ko) 2000-05-01
US5323447A (en) 1994-06-21
HK114996A (en) 1996-07-12
CA2081794C (fr) 1997-05-06
GB9222919D0 (en) 1992-12-16
GB2261141A (en) 1993-05-05
GB2261141B (en) 1995-04-26

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed
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Effective date: 20021030