TW201130240A - Channel selection and interference suppression - Google Patents

Channel selection and interference suppression

Info

Publication number
TW201130240A
TW201130240A TW099110577A TW99110577A TW201130240A TW 201130240 A TW201130240 A TW 201130240A TW 099110577 A TW099110577 A TW 099110577A TW 99110577 A TW99110577 A TW 99110577A TW 201130240 A TW201130240 A TW 201130240A
Authority
TW
Taiwan
Prior art keywords
interference
techniques
presented
interference suppression
channel selection
Prior art date
Application number
TW099110577A
Other languages
English (en)
Other versions
TWI485998B (zh
Inventor
Ravi Narasimhan
Andrea Goldsmith
Original Assignee
Quantenna Communications 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 Quantenna Communications Inc filed Critical Quantenna Communications Inc
Publication of TW201130240A publication Critical patent/TW201130240A/zh
Application granted granted Critical
Publication of TWI485998B publication Critical patent/TWI485998B/zh

Links

Classifications

    • 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
    • H04B7/022—Site diversity; Macro-diversity
    • H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
    • 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
    • H04B7/0413—MIMO systems
    • H04B7/0417—Feedback systems
    • 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
    • H04B7/0413—MIMO systems
    • H04B7/0452—Multi-user MIMO systems
    • 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
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
    • H04B7/0465—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking power constraints at power amplifier or emission constraints, e.g. constant modulus, into account
    • 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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
    • 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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/063—Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode selection
TW099110577A 2009-04-03 2010-04-06 用於頻道選擇及干擾抑制之系統 TWI485998B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16669009P 2009-04-03 2009-04-03
US12/630,814 US8305921B2 (en) 2009-04-03 2009-12-03 Channel selection and interference suppression

Publications (2)

Publication Number Publication Date
TW201130240A true TW201130240A (en) 2011-09-01
TWI485998B TWI485998B (zh) 2015-05-21

Family

ID=42826123

Family Applications (2)

Application Number Title Priority Date Filing Date
TW099110578A TWI547112B (zh) 2009-04-03 2010-04-06 干擾認知傳輸
TW099110577A TWI485998B (zh) 2009-04-03 2010-04-06 用於頻道選擇及干擾抑制之系統

Family Applications Before (1)

Application Number Title Priority Date Filing Date
TW099110578A TWI547112B (zh) 2009-04-03 2010-04-06 干擾認知傳輸

Country Status (2)

Country Link
US (3) US8305921B2 (zh)
TW (2) TWI547112B (zh)

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Also Published As

Publication number Publication date
TW201132024A (en) 2011-09-16
US8305921B2 (en) 2012-11-06
TWI485998B (zh) 2015-05-21
US20130136159A1 (en) 2013-05-30
US20100254325A1 (en) 2010-10-07
US8937884B2 (en) 2015-01-20
US8358588B2 (en) 2013-01-22
TWI547112B (zh) 2016-08-21
US20110060956A1 (en) 2011-03-10

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