KR100942652B1 - 셀룰러 단일 주파수 네트워크들을 위한 전송 공간다이버시티 - Google Patents

셀룰러 단일 주파수 네트워크들을 위한 전송 공간다이버시티 Download PDF

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KR100942652B1
KR100942652B1 KR1020087000922A KR20087000922A KR100942652B1 KR 100942652 B1 KR100942652 B1 KR 100942652B1 KR 1020087000922 A KR1020087000922 A KR 1020087000922A KR 20087000922 A KR20087000922 A KR 20087000922A KR 100942652 B1 KR100942652 B1 KR 100942652B1
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signal
data stream
transmit antenna
data
transmit
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KR20080016958A (ko
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더가 프라사드 말라디
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콸콤 인코포레이티드
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/022Site diversity; Macro-diversity
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0491Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more sectors, i.e. sector diversity
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity 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
    • H04B7/0667Diversity 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 delayed versions of same signal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/02Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H04L1/0618Space-time coding
    • H04L1/0625Transmitter arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/02Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H04L1/0618Space-time coding
    • H04L1/0637Properties of the code
    • H04L1/0656Cyclotomic systems, e.g. Bell Labs Layered Space-Time [BLAST]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/32Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/3488Multiresolution systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0686Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0691Hybrid systems, i.e. switching and simultaneous transmission using subgroups of transmit antennas
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842Weighted combining
    • H04B7/0848Joint weighting
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Time-Division Multiplex Systems (AREA)
KR1020087000922A 2005-06-14 2006-06-09 셀룰러 단일 주파수 네트워크들을 위한 전송 공간다이버시티 Active KR100942652B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US69062205P 2005-06-14 2005-06-14
US60/690,622 2005-06-14
US11/450,229 US8059608B2 (en) 2005-06-14 2006-06-08 Transmit spatial diversity for cellular single frequency networks
US11/450,229 2006-06-08

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KR20080016958A KR20080016958A (ko) 2008-02-22
KR100942652B1 true KR100942652B1 (ko) 2010-02-17

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US (2) US8059608B2 (enExample)
EP (2) EP2228915A3 (enExample)
JP (4) JP2008547267A (enExample)
KR (1) KR100942652B1 (enExample)
CN (1) CN102684764B (enExample)
WO (1) WO2006138203A1 (enExample)

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CN102684764B (zh) 2015-09-16
KR20080016958A (ko) 2008-02-22
JP2008547267A (ja) 2008-12-25
EP1894317B1 (en) 2014-04-23
JP5475046B2 (ja) 2014-04-16
JP2014090444A (ja) 2014-05-15
WO2006138203A1 (en) 2006-12-28
US8059608B2 (en) 2011-11-15
JP2012170108A (ja) 2012-09-06
EP2228915A2 (en) 2010-09-15
EP2228915A3 (en) 2012-08-22
CN102684764A (zh) 2012-09-19
US20060280262A1 (en) 2006-12-14
JP2011234373A (ja) 2011-11-17
US20100322350A1 (en) 2010-12-23
JP5925750B2 (ja) 2016-05-25
EP1894317A1 (en) 2008-03-05
US8570982B2 (en) 2013-10-29

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