CA2428926A1 - Methods and apparatus for simultaneously communicating voice and data in an analog cordless telephone system - Google Patents

Methods and apparatus for simultaneously communicating voice and data in an analog cordless telephone system Download PDF

Info

Publication number
CA2428926A1
CA2428926A1 CA002428926A CA2428926A CA2428926A1 CA 2428926 A1 CA2428926 A1 CA 2428926A1 CA 002428926 A CA002428926 A CA 002428926A CA 2428926 A CA2428926 A CA 2428926A CA 2428926 A1 CA2428926 A1 CA 2428926A1
Authority
CA
Canada
Prior art keywords
signal
cordless telephone
analog
carrier
digital
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
CA002428926A
Other languages
English (en)
French (fr)
Inventor
Wilhelm Ernst Riedl
Hung Chi Lai
Kenneth Russell Mills
Thomas Charles Clifford
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.)
Atlinks USA Inc
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 US09/955,882 external-priority patent/US20030054842A1/en
Application filed by Individual filed Critical Individual
Publication of CA2428926A1 publication Critical patent/CA2428926A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/345—Modifications of the signal space to allow the transmission of additional information
    • H04L27/3461—Modifications of the signal space to allow the transmission of additional information in order to transmit a subchannel
    • H04L27/3483—Modifications of the signal space to allow the transmission of additional information in order to transmit a subchannel using a modulation of the constellation points
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/57—Arrangements for indicating or recording the number of the calling subscriber at the called subscriber's set

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Telephone Function (AREA)
CA002428926A 2000-11-16 2001-11-15 Methods and apparatus for simultaneously communicating voice and data in an analog cordless telephone system Abandoned CA2428926A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US24894000P 2000-11-16 2000-11-16
US60/248,940 2000-11-16
US09/955,882 US20030054842A1 (en) 2001-09-19 2001-09-19 Methods and apparatus for simultaneously communicating voice and data in an analog cordless telephone system
US09/955,882 2001-09-19
PCT/US2001/045498 WO2002041617A2 (en) 2000-11-16 2001-11-15 Method and apparatus for simultaneously communicating voice and data in an analog cordless telephone system

Publications (1)

Publication Number Publication Date
CA2428926A1 true CA2428926A1 (en) 2002-05-23

Family

ID=26939698

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002428926A Abandoned CA2428926A1 (en) 2000-11-16 2001-11-15 Methods and apparatus for simultaneously communicating voice and data in an analog cordless telephone system

Country Status (8)

Country Link
EP (1) EP1400098A2 (ko)
JP (1) JP2004527141A (ko)
KR (1) KR20030070031A (ko)
CN (1) CN1539235A (ko)
AU (1) AU2002225825A1 (ko)
CA (1) CA2428926A1 (ko)
MX (1) MXPA03004265A (ko)
WO (1) WO2002041617A2 (ko)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100498924B1 (ko) * 2002-02-01 2005-07-04 삼성전자주식회사 유선전화망에서의 전화 통화중 문자 메시지 전송 서비스방법
US7349365B2 (en) * 2002-10-22 2008-03-25 Mitsubishi Electric Research Laboratories, Inc. Mobile telephone messaging by baseband envelope modulation
AU2003260610A1 (en) * 2003-06-19 2005-02-04 France Telecom Method and device for activating transfer of at least one short message
KR100695089B1 (ko) * 2005-06-17 2007-03-14 에스케이 텔레콤주식회사 음성/데이터 동시사용기술을 이용한 모바일 메신저 서비스방법 및 이를 위한 이동통신 단말
CN102098378A (zh) * 2010-12-14 2011-06-15 深圳桑菲消费通信有限公司 一种实现手机点对点无线数据传输的系统及方法
CN107295207B (zh) * 2017-06-27 2019-12-10 四川赛科安全技术有限公司 实现消防电话系统中数字信号与音频信号同时传输的方法
CN114727258B (zh) * 2022-06-09 2022-10-28 天津七一二移动通信有限公司 基于lte系统的机车数据及语音接入设备的实现方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW327488U (en) * 1991-05-29 1998-02-21 Video Tech Eng Digital cordless telephone apparatus
US5410541A (en) * 1992-05-04 1995-04-25 Ivon International, Inc. System for simultaneous analog and digital communications over an analog channel
US5581599A (en) * 1993-12-30 1996-12-03 Northern Telecom Limited Cordless telephone terminal
US6289213B1 (en) * 1996-02-14 2001-09-11 International Business Machines Corporation Computers integrated with a cordless telephone

Also Published As

Publication number Publication date
EP1400098A2 (en) 2004-03-24
WO2002041617A3 (en) 2004-01-08
JP2004527141A (ja) 2004-09-02
WO2002041617A2 (en) 2002-05-23
MXPA03004265A (es) 2004-12-03
CN1539235A (zh) 2004-10-20
AU2002225825A1 (en) 2002-05-27
KR20030070031A (ko) 2003-08-27

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Legal Events

Date Code Title Description
FZDE Discontinued