SG10201707378VA - Systems and methods for radio frequency calibration exploiting channel reciprocity in distributed input distributed output wireless communications - Google Patents

Systems and methods for radio frequency calibration exploiting channel reciprocity in distributed input distributed output wireless communications

Info

Publication number
SG10201707378VA
SG10201707378VA SG10201707378VA SG10201707378VA SG10201707378VA SG 10201707378V A SG10201707378V A SG 10201707378VA SG 10201707378V A SG10201707378V A SG 10201707378VA SG 10201707378V A SG10201707378V A SG 10201707378VA SG 10201707378V A SG10201707378V A SG 10201707378VA
Authority
SG
Singapore
Prior art keywords
distributed
systems
methods
radio frequency
wireless communications
Prior art date
Application number
SG10201707378VA
Other languages
English (en)
Inventor
Antonio Forenza
Fadi Saibi
Timothy A Pitman
Stephen G Perlman
Original Assignee
Rearden Llc
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 Rearden Llc filed Critical Rearden Llc
Publication of SG10201707378VA publication Critical patent/SG10201707378VA/en

Links

Classifications

    • 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
    • H04B17/00—Monitoring; Testing
    • H04B17/10—Monitoring; Testing of transmitters
    • H04B17/11—Monitoring; Testing of transmitters for calibration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/10—Monitoring; Testing of transmitters
    • H04B17/11—Monitoring; Testing of transmitters for calibration
    • H04B17/12—Monitoring; Testing of transmitters for calibration of transmit antennas, e.g. of the amplitude or phase
    • 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
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Transmitters (AREA)
  • Radio Relay Systems (AREA)
SG10201707378VA 2013-03-15 2014-03-12 Systems and methods for radio frequency calibration exploiting channel reciprocity in distributed input distributed output wireless communications SG10201707378VA (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13/844,355 US10547358B2 (en) 2013-03-15 2013-03-15 Systems and methods for radio frequency calibration exploiting channel reciprocity in distributed input distributed output wireless communications

Publications (1)

Publication Number Publication Date
SG10201707378VA true SG10201707378VA (en) 2017-10-30

Family

ID=51526747

Family Applications (2)

Application Number Title Priority Date Filing Date
SG11201507422VA SG11201507422VA (en) 2013-03-15 2014-03-12 Systems and methods for radio frequency calibration exploiting channel reciprocity in distributed input distributed output wireless communications
SG10201707378VA SG10201707378VA (en) 2013-03-15 2014-03-12 Systems and methods for radio frequency calibration exploiting channel reciprocity in distributed input distributed output wireless communications

Family Applications Before (1)

Application Number Title Priority Date Filing Date
SG11201507422VA SG11201507422VA (en) 2013-03-15 2014-03-12 Systems and methods for radio frequency calibration exploiting channel reciprocity in distributed input distributed output wireless communications

Country Status (16)

Country Link
US (4) US10547358B2 (zh)
EP (2) EP3905727B1 (zh)
JP (4) JP2016517668A (zh)
KR (4) KR20230098689A (zh)
CN (5) CN114401057B (zh)
AU (5) AU2014235243A1 (zh)
BR (1) BR112015023223B1 (zh)
CA (3) CA3123064C (zh)
FI (1) FI3905727T3 (zh)
HK (1) HK1216274A1 (zh)
IL (3) IL241319B (zh)
MX (3) MX363086B (zh)
RU (2) RU2767777C2 (zh)
SG (2) SG11201507422VA (zh)
TW (3) TWI695597B (zh)
WO (1) WO2014151150A1 (zh)

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