WO2008109570A9 - Closed form calculation of temporal equalizer weights used in a repeater transmitter leakage cancellation system - Google Patents

Closed form calculation of temporal equalizer weights used in a repeater transmitter leakage cancellation system Download PDF

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Publication number
WO2008109570A9
WO2008109570A9 PCT/US2008/055732 US2008055732W WO2008109570A9 WO 2008109570 A9 WO2008109570 A9 WO 2008109570A9 US 2008055732 W US2008055732 W US 2008055732W WO 2008109570 A9 WO2008109570 A9 WO 2008109570A9
Authority
WO
WIPO (PCT)
Prior art keywords
closed form
cancellation system
weights used
temporal equalizer
leakage cancellation
Prior art date
Application number
PCT/US2008/055732
Other languages
French (fr)
Other versions
WO2008109570A2 (en
Inventor
James A. Proctor, Jr.
Kenneth M. Gainey
James C. Otto
Original Assignee
Qualcomm Incorporated
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 Qualcomm Incorporated filed Critical Qualcomm Incorporated
Priority to CN200880006633A priority Critical patent/CN101675633A/en
Priority to EP08743660A priority patent/EP2137916A2/en
Priority to KR1020097020729A priority patent/KR101061754B1/en
Priority to JP2009552825A priority patent/JP5043961B2/en
Priority to CA002677912A priority patent/CA2677912A1/en
Publication of WO2008109570A2 publication Critical patent/WO2008109570A2/en
Publication of WO2008109570A9 publication Critical patent/WO2008109570A9/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations
    • H04B7/15528—Control of operation parameters of a relay station to exploit the physical medium
    • H04B7/15542—Selecting at relay station its transmit and receive resources
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B15/00—Suppression or limitation of noise or interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations
    • H04B7/15564—Relay station antennae loop interference reduction
    • H04B7/15571—Relay station antennae loop interference reduction by signal isolation, e.g. isolation by frequency or by antenna pattern, or by polarization
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations
    • H04B7/15564—Relay station antennae loop interference reduction
    • H04B7/15585—Relay station antennae loop interference reduction by interference cancellation
PCT/US2008/055732 2007-03-02 2008-03-03 Closed form calculation of temporal equalizer weights used in a repeater transmitter leakage cancellation system WO2008109570A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN200880006633A CN101675633A (en) 2007-03-02 2008-03-03 Closed form calculation of temporal equalizer weights used in a repeater transmitter leakage cancellation system
EP08743660A EP2137916A2 (en) 2007-03-02 2008-03-03 Closed form calculation of temporal equalizer weights used in a repeater transmitter leakage cancellation system
KR1020097020729A KR101061754B1 (en) 2007-03-02 2008-03-03 Closed form calculation of time equalizer weights used in repeater transmitter leakage cancellation system
JP2009552825A JP5043961B2 (en) 2007-03-02 2008-03-03 Closed form calculation of time equalizer weights used in repeater transmitter leakage cancellation system
CA002677912A CA2677912A1 (en) 2007-03-02 2008-03-03 Closed form calculation of temporal equalizer weights used in a repeater transmitter leakage cancellation system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US90436807P 2007-03-02 2007-03-02
US60/904,368 2007-03-02

Publications (2)

Publication Number Publication Date
WO2008109570A2 WO2008109570A2 (en) 2008-09-12
WO2008109570A9 true WO2008109570A9 (en) 2009-11-05

Family

ID=39564244

Family Applications (7)

Application Number Title Priority Date Filing Date
PCT/US2008/055734 WO2008109572A2 (en) 2007-03-02 2008-03-03 Use of adaptive antenna array in conjunction with an on-channel repeater to improve signal quality
PCT/US2008/055731 WO2008109569A2 (en) 2007-03-02 2008-03-03 Physical layer repeater utilizing real time measurement metrics and adaptive antenna array to promote signal integrity and amplification
PCT/US2008/055732 WO2008109570A2 (en) 2007-03-02 2008-03-03 Closed form calculation of temporal equalizer weights used in a repeater transmitter leakage cancellation system
PCT/US2008/055737 WO2008109574A1 (en) 2007-03-02 2008-03-03 Configuration of a repeater
PCT/US2008/055736 WO2008109573A2 (en) 2007-03-02 2008-03-03 Automatic gain control and filtering techniques for use in on-channel repeater
PCT/US2008/055733 WO2008109571A2 (en) 2007-03-02 2008-03-03 Use of a filterbank in an adaptive on-channel repeater utilizing adaptive antenna arrays
PCT/US2008/055738 WO2008109575A2 (en) 2007-03-02 2008-03-03 Superimposed composite channel filter

Family Applications Before (2)

Application Number Title Priority Date Filing Date
PCT/US2008/055734 WO2008109572A2 (en) 2007-03-02 2008-03-03 Use of adaptive antenna array in conjunction with an on-channel repeater to improve signal quality
PCT/US2008/055731 WO2008109569A2 (en) 2007-03-02 2008-03-03 Physical layer repeater utilizing real time measurement metrics and adaptive antenna array to promote signal integrity and amplification

Family Applications After (4)

Application Number Title Priority Date Filing Date
PCT/US2008/055737 WO2008109574A1 (en) 2007-03-02 2008-03-03 Configuration of a repeater
PCT/US2008/055736 WO2008109573A2 (en) 2007-03-02 2008-03-03 Automatic gain control and filtering techniques for use in on-channel repeater
PCT/US2008/055733 WO2008109571A2 (en) 2007-03-02 2008-03-03 Use of a filterbank in an adaptive on-channel repeater utilizing adaptive antenna arrays
PCT/US2008/055738 WO2008109575A2 (en) 2007-03-02 2008-03-03 Superimposed composite channel filter

Country Status (10)

Country Link
US (7) US7907513B2 (en)
EP (7) EP2137916A2 (en)
JP (7) JP5155339B2 (en)
KR (10) KR101061754B1 (en)
CN (7) CN101682391B (en)
BR (6) BRPI0808529A2 (en)
CA (7) CA2677955A1 (en)
RU (7) RU2453998C2 (en)
TW (7) TWI358919B (en)
WO (7) WO2008109572A2 (en)

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