KR20090087131A - 지정된 tdm 파일럿을 사용하는, 로컬 영역 파형과 와이드 영역 파형 사이의 천이에서의 타이밍 동기화 및 채널 추정 - Google Patents

지정된 tdm 파일럿을 사용하는, 로컬 영역 파형과 와이드 영역 파형 사이의 천이에서의 타이밍 동기화 및 채널 추정 Download PDF

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Publication number
KR20090087131A
KR20090087131A KR1020097015471A KR20097015471A KR20090087131A KR 20090087131 A KR20090087131 A KR 20090087131A KR 1020097015471 A KR1020097015471 A KR 1020097015471A KR 20097015471 A KR20097015471 A KR 20097015471A KR 20090087131 A KR20090087131 A KR 20090087131A
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KR
South Korea
Prior art keywords
symbols
pilot
local
symbol
channel
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KR1020097015471A
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English (en)
Korean (ko)
Inventor
보얀 브르첼리
아쇼크 만트라다비
푸윈 링
크리시나 키란 무카빌리
라구라만 크리시나모르티
마이클 마오 왕
Original Assignee
퀄컴 인코포레이티드
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Publication of KR20090087131A publication Critical patent/KR20090087131A/ko

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W56/00Synchronisation arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W56/00Synchronisation arrangements
    • H04W56/0055Synchronisation arrangements determining timing error of reception due to propagation delay
    • H04W56/0065Synchronisation arrangements determining timing error of reception due to propagation delay using measurement of signal travel time
    • H04W56/007Open loop measurement
    • H04W56/0075Open loop measurement based on arrival time vs. expected arrival time
    • H04W56/0085Open loop measurement based on arrival time vs. expected arrival time detecting a given structure in the signal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/14Relay systems
    • H04B7/15Active relay systems
    • H04B7/204Multiple access
    • H04B7/212Time-division multiple access [TDMA]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2602Signal structure
    • H04L27/261Details of reference signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048Allocation of pilot signals, i.e. of signals known to the receiver
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202Channel estimation
    • H04L25/0224Channel estimation using sounding signals
    • H04L25/0226Channel estimation using sounding signals sounding signals per se
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2647Arrangements specific to the receiver only
    • H04L27/2655Synchronisation arrangements
    • H04L27/2656Frame synchronisation, e.g. packet synchronisation, time division duplex [TDD] switching point detection or subframe synchronisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2647Arrangements specific to the receiver only
    • H04L27/2655Synchronisation arrangements
    • H04L27/2662Symbol synchronisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0001Arrangements for dividing the transmission path
    • H04L5/0003Two-dimensional division
    • H04L5/0005Time-frequency
    • H04L5/0007Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058Allocation criteria
    • H04L5/0064Rate requirement of the data, e.g. scalable bandwidth, data priority
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
KR1020097015471A 2005-03-10 2006-03-10 지정된 tdm 파일럿을 사용하는, 로컬 영역 파형과 와이드 영역 파형 사이의 천이에서의 타이밍 동기화 및 채널 추정 KR20090087131A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US66072005P 2005-03-10 2005-03-10
US60/660,720 2005-03-10

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
KR1020077023118A Division KR100934149B1 (ko) 2005-03-10 2006-03-10 지정된 tdm 파일럿을 사용하는, 로컬 영역 파형과 와이드 영역 파형 사이의 천이에서의 타이밍 동기화 및 채널 추정

Publications (1)

Publication Number Publication Date
KR20090087131A true KR20090087131A (ko) 2009-08-14

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Family Applications (2)

Application Number Title Priority Date Filing Date
KR1020097015471A KR20090087131A (ko) 2005-03-10 2006-03-10 지정된 tdm 파일럿을 사용하는, 로컬 영역 파형과 와이드 영역 파형 사이의 천이에서의 타이밍 동기화 및 채널 추정
KR1020077023118A KR100934149B1 (ko) 2005-03-10 2006-03-10 지정된 tdm 파일럿을 사용하는, 로컬 영역 파형과 와이드 영역 파형 사이의 천이에서의 타이밍 동기화 및 채널 추정

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR1020077023118A KR100934149B1 (ko) 2005-03-10 2006-03-10 지정된 tdm 파일럿을 사용하는, 로컬 영역 파형과 와이드 영역 파형 사이의 천이에서의 타이밍 동기화 및 채널 추정

Country Status (9)

Country Link
EP (1) EP1856873A1 (ru)
JP (1) JP2008533851A (ru)
KR (2) KR20090087131A (ru)
CN (1) CN101160898B (ru)
BR (1) BRPI0609275A2 (ru)
CA (1) CA2600767A1 (ru)
RU (1) RU2379847C2 (ru)
TW (1) TW200704060A (ru)
WO (1) WO2006099222A1 (ru)

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KR20180033168A (ko) * 2015-07-22 2018-04-02 소니 주식회사 수신기 및 수신 방법

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US8477809B2 (en) 2003-09-02 2013-07-02 Qualcomm Incorporated Systems and methods for generalized slot-to-interlace mapping
US8599764B2 (en) 2003-09-02 2013-12-03 Qualcomm Incorporated Transmission of overhead information for reception of multiple data streams
US8509051B2 (en) 2003-09-02 2013-08-13 Qualcomm Incorporated Multiplexing and transmission of multiple data streams in a wireless multi-carrier communication system
US8526412B2 (en) 2003-10-24 2013-09-03 Qualcomm Incorporated Frequency division multiplexing of multiple data streams in a wireless multi-carrier communication system
UA90481C2 (en) 2004-07-29 2010-05-11 Квелкомм Инкорпорейтед System and processor of interleaving
US8391410B2 (en) 2004-07-29 2013-03-05 Qualcomm Incorporated Methods and apparatus for configuring a pilot symbol in a wireless communication system
US20070081484A1 (en) * 2004-07-29 2007-04-12 Wang Michael M Methods and apparatus for transmitting a frame structure in a wireless communication system
US7813383B2 (en) * 2005-03-10 2010-10-12 Qualcomm Incorporated Method for transmission of time division multiplexed pilot symbols to aid channel estimation, time synchronization, and AGC bootstrapping in a multicast wireless system
US9042212B2 (en) 2005-07-29 2015-05-26 Qualcomm Incorporated Method and apparatus for communicating network identifiers in a communication system
US9391751B2 (en) 2005-07-29 2016-07-12 Qualcomm Incorporated System and method for frequency diversity
US7782806B2 (en) 2006-03-09 2010-08-24 Qualcomm Incorporated Timing synchronization and channel estimation at a transition between local and wide area waveforms using a designated TDM pilot
US8842612B2 (en) * 2007-06-20 2014-09-23 Qualcomm Incorporated Methods and apparatus for service acquisition in a multi-frequency network
EP2028785A3 (en) 2007-07-26 2009-06-24 Qualcomm Incorporated Systems and methods for generalized slot-to-interlace mapping
KR101132491B1 (ko) * 2007-08-06 2012-03-30 콸콤 인코포레이티드 일반화된 슬롯-대-인터레이스 매핑을 위한 시스템들 및 방법들
EP2106165B1 (en) * 2008-03-26 2012-03-21 Nokia Siemens Networks Oy Apparatus and methods for radio resource management for wide area and local area systems
KR101466943B1 (ko) 2008-04-04 2014-12-02 삼성전자주식회사 주파수 영역 등화를 위한 송신기 및 수신기
KR101231512B1 (ko) 2008-05-09 2013-02-07 한국전자통신연구원 무선통신시스템의 셀 탐색에서 주파수 오프셋에 강한 심볼 동기 획득 장치 및 방법
EP2139168A1 (en) * 2008-06-25 2009-12-30 Thomson Licensing, Inc. Method and device for time synchronization in a TDMA multi-hop wireless network
US8634313B2 (en) * 2009-06-19 2014-01-21 Qualcomm Incorporated Method and apparatus that facilitates a timing alignment in a multicarrier system
US8582687B2 (en) * 2009-06-26 2013-11-12 Plusn, Llc System and method for controlling combined radio signals
CN102664848B (zh) 2009-10-29 2015-08-12 中兴通讯股份有限公司 数据发送方法及装置
ES2525361T3 (es) * 2012-05-15 2014-12-22 Telefonaktiebolaget L M Ericsson (Publ) Asignación de identidad de dispositivo local para la comunicación de dispositivo a dispositivo (D2D) asistida por red
US10021695B2 (en) 2015-04-14 2018-07-10 Qualcomm Incorporated Apparatus and method for generating and transmitting data frames

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180033168A (ko) * 2015-07-22 2018-04-02 소니 주식회사 수신기 및 수신 방법

Also Published As

Publication number Publication date
JP2008533851A (ja) 2008-08-21
CN101160898A (zh) 2008-04-09
RU2379847C2 (ru) 2010-01-20
KR100934149B1 (ko) 2009-12-29
WO2006099222A1 (en) 2006-09-21
TW200704060A (en) 2007-01-16
EP1856873A1 (en) 2007-11-21
CN101160898B (zh) 2013-07-03
CA2600767A1 (en) 2006-09-21
RU2007137488A (ru) 2009-04-20
KR20070110917A (ko) 2007-11-20
BRPI0609275A2 (pt) 2010-03-09

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