US20040081131A1 - OFDM communication system with multiple OFDM symbol sizes - Google Patents

OFDM communication system with multiple OFDM symbol sizes Download PDF

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Publication number
US20040081131A1
US20040081131A1 US10/375,162 US37516203A US2004081131A1 US 20040081131 A1 US20040081131 A1 US 20040081131A1 US 37516203 A US37516203 A US 37516203A US 2004081131 A1 US2004081131 A1 US 2004081131A1
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US
United States
Prior art keywords
ofdm symbol
size
data
ofdm
subbands
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
US10/375,162
Other languages
English (en)
Inventor
Jay Walton
John Ketchum
Mark Wallace
Steven Howard
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Priority to US10/375,162 priority Critical patent/US20040081131A1/en
Assigned to QUALCOM INCORPORATED, A DELAWARE CORPORATION reassignment QUALCOM INCORPORATED, A DELAWARE CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HOWARD, STEVEN J., KETCHUM, JOHN W., WALLACE, MARK, WALTON, JAY ROD
Priority to UAA200504856A priority patent/UA84411C2/ru
Priority to CA2501458A priority patent/CA2501458C/en
Priority to CA2756728A priority patent/CA2756728C/en
Priority to KR1020057007171A priority patent/KR100990683B1/ko
Priority to CA2756741A priority patent/CA2756741C/en
Priority to RU2005115879/09A priority patent/RU2380845C2/ru
Priority to PCT/US2003/033907 priority patent/WO2004039027A2/en
Priority to CN2003801050597A priority patent/CN1757213B/zh
Priority to TW092129820A priority patent/TWI339036B/zh
Priority to CN 200910145580 priority patent/CN101582873B/zh
Priority to MXPA05004398A priority patent/MXPA05004398A/es
Priority to BR0315540-4A priority patent/BR0315540A/pt
Priority to EP11173875A priority patent/EP2378726A3/en
Priority to JP2005501686A priority patent/JP4913406B2/ja
Priority to CN2010105559095A priority patent/CN101997814B/zh
Priority to EP03779266A priority patent/EP1557022A2/en
Priority to AU2003284944A priority patent/AU2003284944C1/en
Publication of US20040081131A1 publication Critical patent/US20040081131A1/en
Priority to IL167554A priority patent/IL167554A/en
Priority to HK11110355.5A priority patent/HK1156164A1/xx
Priority to HK06106442.5A priority patent/HK1086681A1/xx
Priority to HK10104743.0A priority patent/HK1139250A1/xx
Priority to AU2009202082A priority patent/AU2009202082B2/en
Priority to IL203960A priority patent/IL203960A/en
Priority to JP2010030077A priority patent/JP5096508B2/ja
Priority to JP2011256173A priority patent/JP5221743B2/ja
Priority to US13/920,971 priority patent/US9154274B2/en
Abandoned legal-status Critical Current

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    • 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
    • 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
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • 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
    • H04B7/0417—Feedback systems
    • H04B7/0421—Feedback systems utilizing implicit feedback, e.g. steered pilot signals
    • 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
    • H04B7/0667—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 delayed versions of same signal
    • H04B7/0669—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 delayed versions of same signal using different channel coding between antennas
    • 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
    • H04B7/08—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
    • H04B7/0854—Joint weighting using error minimizing algorithms, e.g. minimum mean squared error [MMSE], "cross-correlation" or matrix inversion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
    • H04L1/0017—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy where the mode-switching is based on Quality of Service requirement
    • 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
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
    • H04L25/023—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols
    • H04L25/0232—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols by interpolation between sounding signals
    • 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
    • H04L25/024—Channel estimation channel estimation algorithms
    • H04L25/0242—Channel estimation channel estimation algorithms using matrix methods
    • H04L25/0248—Eigen-space methods
    • 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
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • 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
    • H04L5/0028—Variable division
    • 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
    • H04L5/0037—Inter-user or inter-terminal allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • 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
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/18—Negotiating wireless communication parameters
    • H04W28/20—Negotiating bandwidth
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/38—TPC being performed in particular situations
    • H04W52/50—TPC being performed in particular situations at the moment of starting communication in a multiple access environment

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Quality & Reliability (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
US10/375,162 2002-10-25 2003-02-25 OFDM communication system with multiple OFDM symbol sizes Abandoned US20040081131A1 (en)

Priority Applications (27)

Application Number Priority Date Filing Date Title
US10/375,162 US20040081131A1 (en) 2002-10-25 2003-02-25 OFDM communication system with multiple OFDM symbol sizes
AU2003284944A AU2003284944C1 (en) 2002-10-25 2003-10-27 Multicarrier transmission using a plurality of symbol lengths
BR0315540-4A BR0315540A (pt) 2002-10-25 2003-10-27 Transmissão de multiportadora usando uma pluralidade de comprimentos de sìmbolo
JP2005501686A JP4913406B2 (ja) 2002-10-25 2003-10-27 複数のシンボル長を使用する多重キャリア送信
CA2756728A CA2756728C (en) 2002-10-25 2003-10-27 Ofdm communication system with multiple ofdm symbol sizes
KR1020057007171A KR100990683B1 (ko) 2002-10-25 2003-10-27 다수의 심벌 길이들을 사용하는 멀티캐리어 전송
CA2756741A CA2756741C (en) 2002-10-25 2003-10-27 Ofdm communication system with multiple ofdm symbol sizes
RU2005115879/09A RU2380845C2 (ru) 2002-10-25 2003-10-27 Передача с множеством несущих с использованием множества размеров символов ofdm
PCT/US2003/033907 WO2004039027A2 (en) 2002-10-25 2003-10-27 Multicarrier transmission using a plurality of symbol lengths
CN2003801050597A CN1757213B (zh) 2002-10-25 2003-10-27 使用多种码元长度的多载波传输
TW092129820A TWI339036B (en) 2002-10-25 2003-10-27 Ofdm communication system with multiple ofdm symbol sizes
CN 200910145580 CN101582873B (zh) 2002-10-25 2003-10-27 使用多种码元长度的多载波传输方法和设备
MXPA05004398A MXPA05004398A (es) 2002-10-25 2003-10-27 Transmision de portadora multiple empleando una pluralidad de tamanos de simbolos.
UAA200504856A UA84411C2 (ru) 2002-10-25 2003-10-27 Передача с множеством несущих с использованием множества размеров символов ofdm
EP11173875A EP2378726A3 (en) 2002-10-25 2003-10-27 Method and apparatus for singular value decomposition of a channel matrix
CA2501458A CA2501458C (en) 2002-10-25 2003-10-27 Ofdm communication system with multiple ofdm symbol sizes
CN2010105559095A CN101997814B (zh) 2002-10-25 2003-10-27 使用多种码元长度的多载波传输
EP03779266A EP1557022A2 (en) 2002-10-25 2003-10-27 Multicarrier transmission using a plurality of symbol lengths
IL167554A IL167554A (en) 2002-10-25 2005-03-20 Method and devices for transmitting data in an orthogonal frequency division (OFDM) communication system using multiple symbol lengths
HK11110355.5A HK1156164A1 (en) 2002-10-25 2006-06-06 Multicarrier transmission using a plurality of symbol lengths
HK06106442.5A HK1086681A1 (en) 2002-10-25 2006-06-06 Multicarrier transmission using a plurality of symbol lengths
HK10104743.0A HK1139250A1 (en) 2002-10-25 2006-06-06 Method and apparatus of multicarrier transmission using a plurality of symbol lengths
AU2009202082A AU2009202082B2 (en) 2002-10-25 2009-05-26 Multicarrier transmission using a plurality of symbol lengths
IL203960A IL203960A (en) 2002-10-25 2010-02-14 Multi-carrier transfer used in more than one symbol length
JP2010030077A JP5096508B2 (ja) 2002-10-25 2010-02-15 複数のシンボル長を使用する多重キャリア送信
JP2011256173A JP5221743B2 (ja) 2002-10-25 2011-11-24 複数のシンボル長を使用する多重キャリア送信
US13/920,971 US9154274B2 (en) 2002-10-25 2013-06-18 OFDM communication system with multiple OFDM symbol sizes

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US42130902P 2002-10-25 2002-10-25
US43860103P 2003-01-07 2003-01-07
US10/375,162 US20040081131A1 (en) 2002-10-25 2003-02-25 OFDM communication system with multiple OFDM symbol sizes

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US13/920,971 Continuation US9154274B2 (en) 2002-10-25 2013-06-18 OFDM communication system with multiple OFDM symbol sizes

Publications (1)

Publication Number Publication Date
US20040081131A1 true US20040081131A1 (en) 2004-04-29

Family

ID=32110793

Family Applications (2)

Application Number Title Priority Date Filing Date
US10/375,162 Abandoned US20040081131A1 (en) 2002-10-25 2003-02-25 OFDM communication system with multiple OFDM symbol sizes
US13/920,971 Expired - Fee Related US9154274B2 (en) 2002-10-25 2013-06-18 OFDM communication system with multiple OFDM symbol sizes

Family Applications After (1)

Application Number Title Priority Date Filing Date
US13/920,971 Expired - Fee Related US9154274B2 (en) 2002-10-25 2013-06-18 OFDM communication system with multiple OFDM symbol sizes

Country Status (15)

Country Link
US (2) US20040081131A1 (ja)
EP (2) EP2378726A3 (ja)
JP (3) JP4913406B2 (ja)
KR (1) KR100990683B1 (ja)
CN (2) CN101997814B (ja)
AU (2) AU2003284944C1 (ja)
BR (1) BR0315540A (ja)
CA (3) CA2756728C (ja)
HK (3) HK1156164A1 (ja)
IL (2) IL167554A (ja)
MX (1) MXPA05004398A (ja)
RU (1) RU2380845C2 (ja)
TW (1) TWI339036B (ja)
UA (1) UA84411C2 (ja)
WO (1) WO2004039027A2 (ja)

Cited By (171)

* Cited by examiner, † Cited by third party
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US20050030886A1 (en) * 2003-08-07 2005-02-10 Shiquan Wu OFDM system and method employing OFDM symbols with known or information-containing prefixes
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US20050099939A1 (en) * 2003-08-14 2005-05-12 Samsung Electronics Co., Ltd. Apparatus and method for transmitting/receiving pilot signals in an OFDM communication system
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