GB2267015B - Interference cancelling in a radio transceiver - Google Patents

Interference cancelling in a radio transceiver

Info

Publication number
GB2267015B
GB2267015B GB9210530A GB9210530A GB2267015B GB 2267015 B GB2267015 B GB 2267015B GB 9210530 A GB9210530 A GB 9210530A GB 9210530 A GB9210530 A GB 9210530A GB 2267015 B GB2267015 B GB 2267015B
Authority
GB
United Kingdom
Prior art keywords
radio transceiver
interference cancelling
cancelling
interference
transceiver
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.)
Expired - Fee Related
Application number
GB9210530A
Other versions
GB2267015A (en
GB9210530D0 (en
Inventor
Zalman Schwartzman
Tal Mor
Avraham Kopelman
Joseph Bercovich
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.)
Motorola Solutions Israel Ltd
Original Assignee
Motorola Israel Ltd
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 Israel Ltd filed Critical Motorola Israel Ltd
Priority to GB9210530A priority Critical patent/GB2267015B/en
Publication of GB9210530D0 publication Critical patent/GB9210530D0/en
Publication of GB2267015A publication Critical patent/GB2267015A/en
Application granted granted Critical
Publication of GB2267015B publication Critical patent/GB2267015B/en
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
    • H04B1/38—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
    • H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
    • H04B1/525—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa with means for reducing leakage of transmitter signal into the receiver
    • 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
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
    • 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
    • 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
    • H04B1/408—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency the transmitter oscillator frequency being identical to the receiver local oscillator frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transceivers (AREA)
GB9210530A 1992-05-16 1992-05-16 Interference cancelling in a radio transceiver Expired - Fee Related GB2267015B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9210530A GB2267015B (en) 1992-05-16 1992-05-16 Interference cancelling in a radio transceiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9210530A GB2267015B (en) 1992-05-16 1992-05-16 Interference cancelling in a radio transceiver

Publications (3)

Publication Number Publication Date
GB9210530D0 GB9210530D0 (en) 1992-07-01
GB2267015A GB2267015A (en) 1993-11-17
GB2267015B true GB2267015B (en) 1995-12-20

Family

ID=10715623

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9210530A Expired - Fee Related GB2267015B (en) 1992-05-16 1992-05-16 Interference cancelling in a radio transceiver

Country Status (1)

Country Link
GB (1) GB2267015B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2295300A (en) * 1994-11-18 1996-05-22 Motorola Israel Ltd Hands-free Duplex radio transceiver apparatus and method of training
JPH1041857A (en) * 1996-07-23 1998-02-13 Nec Corp Mobile communication system transmitting device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3931575A (en) * 1974-10-21 1976-01-06 United Technologies Corporation Filter stabilized single oscillator transceivers
US4212013A (en) * 1977-09-30 1980-07-08 Siemens Aktiengesellschaft Duplex-transmitter receiver arrangement
GB2198316A (en) * 1986-11-14 1988-06-08 Rose Communication Systems Transceiver using local oscillator leakage radiation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3931575A (en) * 1974-10-21 1976-01-06 United Technologies Corporation Filter stabilized single oscillator transceivers
US4212013A (en) * 1977-09-30 1980-07-08 Siemens Aktiengesellschaft Duplex-transmitter receiver arrangement
GB2198316A (en) * 1986-11-14 1988-06-08 Rose Communication Systems Transceiver using local oscillator leakage radiation

Also Published As

Publication number Publication date
GB2267015A (en) 1993-11-17
GB9210530D0 (en) 1992-07-01

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20020516