KR102170650B1 - 분산 입력 분산 출력 무선 시스템에서 공간 다이버시티를 향상시키기 위한 시스템 및 방법 - Google Patents

분산 입력 분산 출력 무선 시스템에서 공간 다이버시티를 향상시키기 위한 시스템 및 방법 Download PDF

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KR102170650B1
KR102170650B1 KR1020147035524A KR20147035524A KR102170650B1 KR 102170650 B1 KR102170650 B1 KR 102170650B1 KR 1020147035524 A KR1020147035524 A KR 1020147035524A KR 20147035524 A KR20147035524 A KR 20147035524A KR 102170650 B1 KR102170650 B1 KR 102170650B1
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btss
transmit
power
antenna
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KR20150022843A (ko
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안토니오 포렌자
티모시 에이. 피트맨
벤야부트 지라수타야순토른
로버트 제이. 안드르제제위스키
스티븐 지. 페를만
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리어덴 엘엘씨
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    • 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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • 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
    • H04B7/0602—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 antenna switching
    • 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
    • H04B7/0602—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 antenna switching
    • H04B7/0604—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 antenna switching with predefined switching scheme
    • 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
    • H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
    • 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
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0691—Hybrid systems, i.e. switching and simultaneous transmission using subgroups of transmit antennas
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
    • H04W52/346—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading distributing total power among users or channels
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/38—TPC being performed in particular situations
    • H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
KR1020147035524A 2012-05-18 2013-05-17 분산 입력 분산 출력 무선 시스템에서 공간 다이버시티를 향상시키기 위한 시스템 및 방법 Expired - Fee Related KR102170650B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/475,598 US9685997B2 (en) 2007-08-20 2012-05-18 Systems and methods to enhance spatial diversity in distributed-input distributed-output wireless systems
US13/475,598 2012-05-18
PCT/US2013/041726 WO2013173809A1 (en) 2012-05-18 2013-05-17 Systems and methods to enhance spatial diversity in distributed input distributed output wireless systems

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KR1020207002077A Division KR20200009157A (ko) 2012-05-18 2013-05-17 분산 입력 분산 출력 무선 시스템에서 공간 다이버시티를 향상시키기 위한 시스템 및 방법

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KR20150022843A KR20150022843A (ko) 2015-03-04
KR102170650B1 true KR102170650B1 (ko) 2020-10-27

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KR1020207002077A Ceased KR20200009157A (ko) 2012-05-18 2013-05-17 분산 입력 분산 출력 무선 시스템에서 공간 다이버시티를 향상시키기 위한 시스템 및 방법

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EP (1) EP2850796B8 (enExample)
JP (3) JP6158314B2 (enExample)
KR (2) KR102170650B1 (enExample)
CN (3) CN104322025B (enExample)
AU (3) AU2013262546B2 (enExample)
BR (1) BR112014028207A2 (enExample)
CA (1) CA2873862C (enExample)
IL (1) IL235467A (enExample)
MX (1) MX346199B (enExample)
RU (2) RU2615757C2 (enExample)
SG (2) SG11201407160YA (enExample)
TW (4) TWI578736B (enExample)
WO (1) WO2013173809A1 (enExample)

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TWI723463B (zh) 2021-04-01
EP2850796B1 (en) 2020-10-21
JP2019062552A (ja) 2019-04-18
JP2015519018A (ja) 2015-07-06
AU2013262546B2 (en) 2017-02-16
JP6158314B2 (ja) 2017-07-05
EP2850796B8 (en) 2020-12-16
TWI578736B (zh) 2017-04-11
AU2017203172A1 (en) 2017-06-01
JP2017192138A (ja) 2017-10-19
TW201409963A (zh) 2014-03-01
TW201714422A (zh) 2017-04-16
AU2013262546A1 (en) 2014-11-20
AU2019203120A1 (en) 2019-05-30
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MX346199B (es) 2017-03-10
RU2017110247A (ru) 2019-01-23
JP6445095B2 (ja) 2018-12-26
TWI666892B (zh) 2019-07-21
HK1206503A1 (en) 2016-01-08
MX2014013795A (es) 2015-02-24
EP2850796A1 (en) 2015-03-25
KR20200009157A (ko) 2020-01-29
TWI633767B (zh) 2018-08-21
CN109889233A (zh) 2019-06-14
CA2873862C (en) 2020-08-04
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SG10201702179RA (en) 2017-04-27
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CN116346172A (zh) 2023-06-27
CN104322025B (zh) 2019-01-04
RU2615757C2 (ru) 2017-04-11
BR112014028207A2 (pt) 2017-06-27
KR20150022843A (ko) 2015-03-04
RU2014151216A (ru) 2016-07-10
CN104322025A (zh) 2015-01-28
IL235467A (en) 2017-09-28
CA2873862A1 (en) 2013-11-21
CN109889233B (zh) 2023-04-07
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WO2013173809A1 (en) 2013-11-21

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