MX9302156A - Metodo y aparato de desviacion de frecuencia para utilizarse en un radio receptor-transmisor. - Google Patents

Metodo y aparato de desviacion de frecuencia para utilizarse en un radio receptor-transmisor.

Info

Publication number
MX9302156A
MX9302156A MX9302156A MX9302156A MX9302156A MX 9302156 A MX9302156 A MX 9302156A MX 9302156 A MX9302156 A MX 9302156A MX 9302156 A MX9302156 A MX 9302156A MX 9302156 A MX9302156 A MX 9302156A
Authority
MX
Mexico
Prior art keywords
transmitter
radio receiver
frequency deviation
local oscillator
radio
Prior art date
Application number
MX9302156A
Other languages
English (en)
Inventor
Randall R Hillock
John S Ruppel
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Publication of MX9302156A publication Critical patent/MX9302156A/es

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
    • H04B1/38—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
    • H04B1/54—Circuits using the same frequency for two directions of communication
    • H04B1/56—Circuits using the same frequency for two directions of communication with provision for simultaneous communication in two directions
    • 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
    • H04B1/50—Circuits using different frequencies for the two directions of communication

Landscapes

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

Abstract

Se desarrolló un radio receptor-transmisor de radio frecuencia para utilizarse en un sistema de comunicación de radio teléfono dúplex por división de tiempo (TDD). El radio receptor-transmisor incluye un oscilador local que genera por lo menos dos señales de oscilador local en diferentes tiempos.
MX9302156A 1992-04-14 1993-04-14 Metodo y aparato de desviacion de frecuencia para utilizarse en un radio receptor-transmisor. MX9302156A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US86959292A 1992-04-14 1992-04-14

Publications (1)

Publication Number Publication Date
MX9302156A true MX9302156A (es) 1993-10-29

Family

ID=25353873

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9302156A MX9302156A (es) 1992-04-14 1993-04-14 Metodo y aparato de desviacion de frecuencia para utilizarse en un radio receptor-transmisor.

Country Status (8)

Country Link
US (1) US5715520A (es)
JP (1) JPH05300048A (es)
CN (1) CN1028704C (es)
CA (1) CA2109923C (es)
FR (1) FR2690025B1 (es)
IT (1) IT1261782B (es)
MX (1) MX9302156A (es)
WO (1) WO1993021693A1 (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1022852A (ja) * 1996-07-02 1998-01-23 Nec Corp 無線通信装置
US6112059A (en) * 1997-11-12 2000-08-29 Motorola, Inc. Off-channel leakage power monitor apparatus and method
US6516184B1 (en) * 1999-08-31 2003-02-04 Skyworks Solutions, Inc. Multi-band transceiver having multi-slot capability
ATE260000T1 (de) * 2000-10-26 2004-03-15 Koninkl Philips Electronics Nv Direktumsetz-sende-empfänger
US7466962B2 (en) * 2005-06-14 2008-12-16 Motorola, Inc Methods and apparatus of providing a radio frequency local oscillator signal for a transceiver
US9143085B2 (en) * 2012-03-01 2015-09-22 Qualcomm Incorporated Frequency synthesizer architecture in a time-division duplex mode for a wireless device

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3944925A (en) * 1974-08-05 1976-03-16 Motorola, Inc. Phase-locked loop transceiver having automatic frequency offset selectability
JPS524105A (en) * 1975-06-27 1977-01-13 Trio Kenwood Corp Frequency synthesizer-method transmitter-receiver
US4194151A (en) * 1978-06-29 1980-03-18 General Electric Company Multifrequency generator
US4558453A (en) * 1981-12-16 1985-12-10 Harris Corporation Synchronization method and frequency hopping communication system
US4476575A (en) * 1982-12-13 1984-10-09 General Electric Company Radio transceiver
JPS62274934A (ja) * 1986-05-23 1987-11-28 Nec Corp 送受信装置
GB8806194D0 (en) * 1988-03-16 1988-04-13 Shaye Communications Ltd Transceivers
JP2850160B2 (ja) * 1991-01-25 1999-01-27 松下電器産業株式会社 時分割複信無線送受信装置
EP0500373B1 (en) * 1991-02-22 1998-04-29 Sony Corporation Time division duplex transmitter-receiver
JP2800858B2 (ja) * 1991-09-18 1998-09-21 日本電気株式会社 無線電話装置
JPH06152467A (ja) * 1992-11-06 1994-05-31 Nec Corp 無線通信機
KR100355837B1 (ko) * 1993-03-10 2002-10-12 내셔널 세미콘덕터 코포레이션 위상 동기 루프 및 신호발생방법
US5465409A (en) * 1994-03-07 1995-11-07 Motorola, Inc. Radio architecture with dual frequency source selection
US5475677A (en) * 1994-12-29 1995-12-12 Bell Communications Research Inc. Compatible licensed and unlicensed band portable handset unit for TDMA wireless communications system

Also Published As

Publication number Publication date
IT1261782B (it) 1996-06-03
ITRM930210A1 (it) 1994-10-05
WO1993021693A1 (en) 1993-10-28
CN1077579A (zh) 1993-10-20
US5715520A (en) 1998-02-03
CA2109923C (en) 1999-01-26
JPH05300048A (ja) 1993-11-12
FR2690025B1 (fr) 1997-08-08
CA2109923A1 (en) 1993-10-28
FR2690025A1 (fr) 1993-10-15
CN1028704C (zh) 1995-05-31
ITRM930210A0 (it) 1993-04-05

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