CN101632278B - 混合导频结构 - Google Patents

混合导频结构 Download PDF

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Publication number
CN101632278B
CN101632278B CN200880007867.2A CN200880007867A CN101632278B CN 101632278 B CN101632278 B CN 101632278B CN 200880007867 A CN200880007867 A CN 200880007867A CN 101632278 B CN101632278 B CN 101632278B
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China
Prior art keywords
pilot symbols
channel
data
common pilot
dedicated pilot
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CN200880007867.2A
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English (en)
Chinese (zh)
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CN101632278A (zh
Inventor
D·P·马拉蒂
D·N·团
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Qualcomm Inc
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Qualcomm Inc
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Publication of CN101632278A publication Critical patent/CN101632278A/zh
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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
    • H04L5/0001—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
    • 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
    • H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
    • 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
    • H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70701—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception
    • 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

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
CN200880007867.2A 2007-03-12 2008-03-12 混合导频结构 Active CN101632278B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US89444907P 2007-03-12 2007-03-12
US60/894,449 2007-03-12
US12/045,501 US8913695B2 (en) 2007-03-12 2008-03-10 Hybrid pilot configuration
US12/045,501 2008-03-10
PCT/US2008/056715 WO2008112803A2 (en) 2007-03-12 2008-03-12 Hybrid pilot configuration

Publications (2)

Publication Number Publication Date
CN101632278A CN101632278A (zh) 2010-01-20
CN101632278B true CN101632278B (zh) 2014-04-23

Family

ID=39760383

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200880007867.2A Active CN101632278B (zh) 2007-03-12 2008-03-12 混合导频结构

Country Status (13)

Country Link
US (1) US8913695B2 (https=)
EP (1) EP2135417A2 (https=)
JP (3) JP2010521890A (https=)
KR (1) KR101076158B1 (https=)
CN (1) CN101632278B (https=)
AU (1) AU2008225096A1 (https=)
BR (1) BRPI0808690B1 (https=)
CA (1) CA2678445C (https=)
IL (1) IL200462A0 (https=)
MX (1) MX2009009755A (https=)
RU (1) RU2440687C2 (https=)
TW (1) TWI394412B (https=)
WO (1) WO2008112803A2 (https=)

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KR101452551B1 (ko) * 2007-09-04 2014-10-21 샤프 가부시키가이샤 기지국 장치, 이동국 장치, 무선 통신 시스템, 파일럿 채널 생성 방법 및 안테나 선택 방법
DK2243246T3 (en) 2008-02-14 2016-06-06 ERICSSON TELEFON AB L M (publ) Practices and devices in a mobile telecommunications system
CN101610101B (zh) * 2008-06-16 2013-02-27 中兴通讯股份有限公司 一种下行专用导频的跳频方法
PL3073665T3 (pl) * 2008-06-23 2018-10-31 Sun Patent Trust Sposób alokacji sygnałów odniesienia i urządzenie stacji bazowej łączności bezprzewodowej
KR101637348B1 (ko) * 2008-12-15 2016-07-07 엘지전자 주식회사 하향링크 ｍｉｍｏ 시스템에 있어서, 파일럿 심볼 전송 방법
US20100097937A1 (en) * 2008-10-16 2010-04-22 Interdigital Patent Holdings, Inc. Method and apparatus for wireless transmit/receive unit specific pilot signal transmission and wireless transmit/receive unit specific pilot signal power boosting
US8767843B2 (en) * 2008-11-10 2014-07-01 Motorola Mobility Llc Employing cell-specific and user entity-specific reference symbols in an orthogonal frequency-division multiple access
BRPI1012727B1 (pt) 2009-03-16 2020-12-29 Blackberry Limited método de transmissão a partir de um transmissor em um enlace de comunicação e estação base
CN101841358B (zh) 2009-03-20 2013-08-21 富士通株式会社 基站和移动台
CN102035777B (zh) * 2009-09-24 2014-03-12 中兴通讯股份有限公司 解调导频的处理方法和系统、配置方法、基站、用户设备
KR101109383B1 (ko) 2009-11-25 2012-01-30 서울대학교산학협력단 직교주파수 분할다중 기반 무선통신 시스템에서 전용 파일럿 신호를 이용한 채널추정 방법 및 장치
KR101559295B1 (ko) * 2009-12-04 2015-10-12 삼성전자주식회사 공간 분할 다중 사용자 다중 입력 다중 출력 방식을 이용하는 통신 시스템
GB2482122B (en) * 2010-07-19 2014-02-19 Intellectual Ventures Holding 81 Llc Communication unit and pilot method for time varying channels
CN102307083A (zh) * 2011-08-12 2012-01-04 电信科学技术研究院 信道状态信息的非周期反馈及其调度方法、装置及系统
US9276629B2 (en) * 2011-11-17 2016-03-01 Intel Deutschland Gmbh Rake receiver circuit and method for operating a rake receiver circuit
JP6093378B2 (ja) * 2012-01-30 2017-03-08 テレフオンアクチーボラゲット エルエム エリクソン（パブル） マルチアンテナ無線通信において共通パイロット信号及び復調パイロット信号を使用する方法、装置及びシステム
JP5883339B2 (ja) * 2012-04-06 2016-03-15 株式会社Ｎｔｔドコモ 通信システム、移動端末装置、ローカルエリア基地局装置及び通信方法
CN102917371B (zh) * 2012-10-25 2015-06-24 北京大学 适合室内信道的lte小区专用参考信号优化方法
US9313059B2 (en) * 2012-12-21 2016-04-12 Qualcomm Incorporated Data-modulated pilots for phase and gain detectors
WO2014193283A1 (en) * 2013-05-31 2014-12-04 Telefonaktiebolaget L M Ericsson (Publ) Methods and user equipments for data demodulation
EP3127264B1 (en) * 2014-03-31 2022-07-13 Sony Group Corporation Pilot time slot hopping
US10616845B2 (en) 2016-10-13 2020-04-07 Qualcomm Incorporated Coordinated resource discovery

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CN1703034A (zh) * 2005-06-10 2005-11-30 上海贝豪通讯电子有限公司 一种基于mimo－ofdm系统的信道估计方法

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US5878036A (en) 1995-12-20 1999-03-02 Spartz; Michael K. Wireless telecommunications system utilizing CDMA radio frequency signal modulation in conjunction with the GSM A-interface telecommunications network protocol
US5787079A (en) * 1996-04-23 1998-07-28 Unique Wireless Developments, L.L.C. Method and apparatus for creating multiple subchannels in a single two-way radio channel
DE19747369A1 (de) 1997-10-27 1999-05-06 Siemens Ag Übertragungskanalschätzung in Telekommunikationssystemen mit drahtloser Telekommunikation
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Also Published As

Publication number Publication date
WO2008112803A3 (en) 2008-11-27
TW200904085A (en) 2009-01-16
KR20090119995A (ko) 2009-11-23
JP6359515B2 (ja) 2018-07-18
CA2678445A1 (en) 2008-09-18
AU2008225096A1 (en) 2008-09-18
EP2135417A2 (en) 2009-12-23
BRPI0808690B1 (pt) 2020-05-19
US20080225993A1 (en) 2008-09-18
WO2008112803A2 (en) 2008-09-18
CA2678445C (en) 2014-01-21
RU2440687C2 (ru) 2012-01-20
BRPI0808690A2 (pt) 2014-09-02
CN101632278A (zh) 2010-01-20
KR101076158B1 (ko) 2011-10-21
IL200462A0 (en) 2010-04-29
JP2014014103A (ja) 2014-01-23
JP2016106456A (ja) 2016-06-16
TWI394412B (zh) 2013-04-21
JP2010521890A (ja) 2010-06-24
RU2009137592A (ru) 2011-04-20
US8913695B2 (en) 2014-12-16
MX2009009755A (es) 2009-09-24

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