CN102656856B - 在无线传输中的导频子载波 - Google Patents

在无线传输中的导频子载波 Download PDF

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Publication number
CN102656856B
CN102656856B CN201080057534.8A CN201080057534A CN102656856B CN 102656856 B CN102656856 B CN 102656856B CN 201080057534 A CN201080057534 A CN 201080057534A CN 102656856 B CN102656856 B CN 102656856B
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China
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subcarrier
symbol
group
ofdm symbol
succession
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CN201080057534.8A
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English (en)
Chinese (zh)
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CN102656856A (zh
Inventor
T·M·舍米德
A·巴特拉
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Texas Instruments Inc
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Texas Instruments Inc
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    • 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
    • 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
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • 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
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H04L27/26132—Structure of the reference signals using repetition
    • 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) or DMT
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
CN201080057534.8A 2009-12-17 2010-12-10 在无线传输中的导频子载波 Active CN102656856B (zh)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US28757709P 2009-12-17 2009-12-17
US61/287,577 2009-12-17
US36215210P 2010-07-07 2010-07-07
US61/362,152 2010-07-07
US12/961,032 US8503553B2 (en) 2009-12-17 2010-12-06 Pilot subcarriers in wireless transmissions
US12/961,032 2010-12-06
PCT/US2010/059918 WO2011084361A1 (en) 2009-12-17 2010-12-10 Pilot subcarriers in wireless transmissions

Publications (2)

Publication Number Publication Date
CN102656856A CN102656856A (zh) 2012-09-05
CN102656856B true CN102656856B (zh) 2016-05-04

Family

ID=44151078

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201080057534.8A Active CN102656856B (zh) 2009-12-17 2010-12-10 在无线传输中的导频子载波

Country Status (5)

Country Link
US (1) US8503553B2 (enExample)
EP (1) EP2514157B1 (enExample)
JP (2) JP5995236B2 (enExample)
CN (1) CN102656856B (enExample)
WO (1) WO2011084361A1 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5543389B2 (ja) * 2011-02-03 2014-07-09 株式会社メガチップス 通信装置
WO2013130460A1 (en) * 2012-02-27 2013-09-06 Intel Corporation Techniques to manage dwell times for pilot rotation
US9647863B2 (en) 2012-02-27 2017-05-09 Intel Corporation Techniques to manage dwell times for pilot rotation
WO2014179639A1 (en) * 2013-05-03 2014-11-06 Huawei Technologies Co., Ltd. Burst marker scheme in a communication system
WO2016106753A1 (zh) * 2014-12-31 2016-07-07 华为技术有限公司 一种无线局域网的信道估计方法和装置
US9621311B2 (en) 2015-05-08 2017-04-11 Newracom, Inc. Pilot transmission and reception for orthogonal frequency division multiple access
CN106685874B (zh) 2015-11-06 2020-02-14 华为技术有限公司 基于ofdm的数据传输方法及装置
WO2019030426A1 (en) * 2017-08-11 2019-02-14 Nokia Technologies Oy INTERFERENCE COMPENSATION BETWEEN CARRIERS

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090060061A1 (en) * 2007-08-31 2009-03-05 Matsushita Electric Industrial Co, Ltd. Communication apparatus, communication method, and integrated circuit
CN101595698A (zh) * 2006-02-21 2009-12-02 高通股份有限公司 用于多天线无线通信的空间导频结构

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6961364B1 (en) * 2000-04-18 2005-11-01 Flarion Technologies, Inc. Base station identification in orthogonal frequency division multiplexing based spread spectrum multiple access systems
EP1720277B1 (en) * 2000-07-05 2017-09-27 Sony Deutschland Gmbh Pilot pattern design for multiple antennas in an OFDM system
JP2003158499A (ja) * 2001-11-20 2003-05-30 Mitsubishi Electric Corp 通信方法および通信装置
WO2005117377A1 (en) * 2004-05-28 2005-12-08 Koninklijke Philips Electronics N.V. Channel estimation in an ofdm system with high doppler shift
US7826807B2 (en) * 2005-03-09 2010-11-02 Qualcomm Incorporated Methods and apparatus for antenna control in a wireless terminal
US8144824B2 (en) * 2005-03-10 2012-03-27 Qualcomm Incorporated Trend influenced time tracking
WO2007020996A1 (ja) * 2005-08-19 2007-02-22 Matsushita Electric Industrial Co., Ltd. 無線通信装置および無線通信方法
US7903628B2 (en) * 2005-08-22 2011-03-08 Qualcomm Incorporated Configurable pilots in a wireless communication system
US8064414B2 (en) * 2005-12-13 2011-11-22 Qualcomm, Incorporated Range extension techniques for a wireless local area network
US7859987B2 (en) * 2005-12-20 2010-12-28 Samsung Electronic Co., Ltd. Interleaver for IEEE 802.11n standard
US7876839B2 (en) * 2005-12-30 2011-01-25 Intel Corporation Receiver and method for channel estimation for multicarrier communication systems
US7706459B2 (en) * 2006-03-10 2010-04-27 Beceem Communications Inc. System and method for channel estimation
WO2007108080A1 (ja) * 2006-03-20 2007-09-27 Fujitsu Limited 基地局およびそのmimo-ofdm通信方法
WO2008052573A1 (en) * 2006-10-30 2008-05-08 Fundacio Privada Centre Tecnologic De Telecomunicacions De Catalunya Residual carrier frequency offset estimation and correction in ofdm multi-antenna systems
US8457315B2 (en) * 2007-01-05 2013-06-04 Qualcomm Incorporated Pilot transmission in a wireless communication system
WO2009016688A1 (ja) * 2007-08-02 2009-02-05 Fujitsu Limited 無線通信装置
WO2009125502A1 (ja) * 2008-04-12 2009-10-15 パイオニア株式会社 受信装置及び受信方法
JP5169423B2 (ja) * 2008-04-16 2013-03-27 富士通株式会社 移動局装置及び伝送路推定方法
WO2010049217A1 (en) * 2008-10-28 2010-05-06 Nokia Siemens Networks Oy Allocating resource units to a mobile station
US8326319B2 (en) * 2009-01-23 2012-12-04 At&T Mobility Ii Llc Compensation of propagation delays of wireless signals

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101595698A (zh) * 2006-02-21 2009-12-02 高通股份有限公司 用于多天线无线通信的空间导频结构
US20090060061A1 (en) * 2007-08-31 2009-03-05 Matsushita Electric Industrial Co, Ltd. Communication apparatus, communication method, and integrated circuit

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PHY Proposal for 802.15.4g based on OFDM technology using TV White Space;Sangsung Choi etc.;《IEEE802.15-09-0275-02-004g》;20090513;第10-22页 *

Also Published As

Publication number Publication date
JP6410752B2 (ja) 2018-10-24
EP2514157A4 (en) 2017-01-25
US20110150115A1 (en) 2011-06-23
JP2013514740A (ja) 2013-04-25
US8503553B2 (en) 2013-08-06
JP2016154364A (ja) 2016-08-25
EP2514157A1 (en) 2012-10-24
JP5995236B2 (ja) 2016-09-21
CN102656856A (zh) 2012-09-05
WO2011084361A1 (en) 2011-07-14
EP2514157B1 (en) 2018-08-08

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