IN2014KN01301A - - Google Patents

Info

Publication number
IN2014KN01301A
IN2014KN01301A IN1301KON2014A IN2014KN01301A IN 2014KN01301 A IN2014KN01301 A IN 2014KN01301A IN 1301KON2014 A IN1301KON2014 A IN 1301KON2014A IN 2014KN01301 A IN2014KN01301 A IN 2014KN01301A
Authority
IN
India
Prior art keywords
base station
beams
antenna arrays
receive
processing
Prior art date
Application number
Inventor
Kaushik Josiam
Surra Shadi Abu
Ying Li
Sridhar Rajagopal
Zhouyue Pi
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of IN2014KN01301A publication Critical patent/IN2014KN01301A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • 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
    • H04B7/0697—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 spatial multiplexing
    • 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
    • H04B7/0617—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 for beam forming
    • 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
    • H04L25/0204—Channel estimation of multiple channels
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)

Abstract

RFRFRFA base station is capable of communicating with a plurality of subscriber stations using a beamforming scheme that varies beams over different time instances. The base station includes a plurality of antenna arrays configured to transmit N spatial beams and carry a reference symbols corresponding to specific spatial beams. The base station also includes N number of radio frequency (RF) processing chains coupled to respective ones of the plurality of antenna arrays wherein N>>N. The subscriber station includes M processing receive paths configured to receive M number of beams from the base station.
IN1301KON2014 2011-12-19 2012-12-18 IN2014KN01301A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201161577533P 2011-12-19 2011-12-19
US201261649838P 2012-05-21 2012-05-21
US13/678,795 US9077415B2 (en) 2011-12-19 2012-11-16 Apparatus and method for reference symbol transmission in an OFDM system
PCT/KR2012/011103 WO2013094980A1 (en) 2011-12-19 2012-12-18 Apparatus and method for reference symbol transmission in an ofdm system

Publications (1)

Publication Number Publication Date
IN2014KN01301A true IN2014KN01301A (en) 2015-10-16

Family

ID=48610122

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1301KON2014 IN2014KN01301A (en) 2011-12-19 2012-12-18

Country Status (7)

Country Link
US (1) US9077415B2 (en)
EP (1) EP2795808A4 (en)
JP (1) JP6250549B2 (en)
KR (1) KR102332474B1 (en)
CN (1) CN104040908B (en)
IN (1) IN2014KN01301A (en)
WO (1) WO2013094980A1 (en)

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EP2795808A4 (en) 2015-12-16
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US20130156120A1 (en) 2013-06-20
KR20130070560A (en) 2013-06-27
CN104040908A (en) 2014-09-10
CN104040908B (en) 2017-06-13
WO2013094980A1 (en) 2013-06-27
US9077415B2 (en) 2015-07-07
KR102332474B1 (en) 2021-11-30
EP2795808A1 (en) 2014-10-29

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