CN1501653B - 接收装置、发送装置及接收方法 - Google Patents

接收装置、发送装置及接收方法 Download PDF

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Publication number
CN1501653B
CN1501653B CN2003101149547A CN200310114954A CN1501653B CN 1501653 B CN1501653 B CN 1501653B CN 2003101149547 A CN2003101149547 A CN 2003101149547A CN 200310114954 A CN200310114954 A CN 200310114954A CN 1501653 B CN1501653 B CN 1501653B
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China
Prior art keywords
signal
received
antenna
channel
channel variation
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Expired - Lifetime
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CN2003101149547A
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English (en)
Chinese (zh)
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CN1501653A (zh
Inventor
村上丰
安倍克明
小林圣峰
折桥雅之
松冈昭彦
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InterDigital Patent Holdings Inc
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Matsushita Electric Industrial Co Ltd
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Publication of CN1501653A publication Critical patent/CN1501653A/zh
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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
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0426—Power distribution
    • H04B7/043—Power distribution using best eigenmode, e.g. beam forming or beam steering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/318—Received signal strength
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/24—Monitoring; Testing of receivers with feedback of measurements to the transmitter
    • 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity 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
    • H04B7/0842—Weighted combining
    • H04B7/0848—Joint weighting
    • 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)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
CN2003101149547A 2002-11-13 2003-11-13 接收装置、发送装置及接收方法 Expired - Lifetime CN1501653B (zh)

Applications Claiming Priority (12)

Application Number Priority Date Filing Date Title
JP329453/02 2002-11-13
JP329453/2002 2002-11-13
JP2002329453 2002-11-13
JP374393/02 2002-12-25
JP2002374393 2002-12-25
JP374393/2002 2002-12-25
JP2003018761 2003-01-28
JP018761/2003 2003-01-28
JP018761/03 2003-01-28
JP366249/03 2003-10-27
JP2003366249A JP4197482B2 (ja) 2002-11-13 2003-10-27 基地局の送信方法、基地局の送信装置及び通信端末
JP366249/2003 2003-10-27

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN2012100431427A Division CN102647219A (zh) 2002-11-13 2003-11-13 发送装置及发送方法

Publications (2)

Publication Number Publication Date
CN1501653A CN1501653A (zh) 2004-06-02
CN1501653B true CN1501653B (zh) 2012-05-09

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CN2003101149547A Expired - Lifetime CN1501653B (zh) 2002-11-13 2003-11-13 接收装置、发送装置及接收方法
CN2012100431427A Pending CN102647219A (zh) 2002-11-13 2003-11-13 发送装置及发送方法

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CN2012100431427A Pending CN102647219A (zh) 2002-11-13 2003-11-13 发送装置及发送方法

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US (3) US7280840B2 (enExample)
EP (1) EP1420529A3 (enExample)
JP (1) JP4197482B2 (enExample)
CN (2) CN1501653B (enExample)

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CN108966369B (zh) * 2018-07-19 2021-08-17 广州华创物联科技股份有限公司 一种养老院人员定位监护系统及其方法
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Also Published As

Publication number Publication date
US20040121827A1 (en) 2004-06-24
JP2004254285A (ja) 2004-09-09
JP4197482B2 (ja) 2008-12-17
EP1420529A2 (en) 2004-05-19
US8064945B2 (en) 2011-11-22
US20120027124A1 (en) 2012-02-02
CN102647219A (zh) 2012-08-22
EP1420529A3 (en) 2011-05-11
CN1501653A (zh) 2004-06-02
US7280840B2 (en) 2007-10-09
US20080273609A1 (en) 2008-11-06

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