TW200704060A - Timing synchronization and channel estimation at a transition between local and wide area waveforms using a designated TDM pilot - Google Patents

Timing synchronization and channel estimation at a transition between local and wide area waveforms using a designated TDM pilot

Info

Publication number
TW200704060A
TW200704060A TW095108320A TW95108320A TW200704060A TW 200704060 A TW200704060 A TW 200704060A TW 095108320 A TW095108320 A TW 095108320A TW 95108320 A TW95108320 A TW 95108320A TW 200704060 A TW200704060 A TW 200704060A
Authority
TW
Taiwan
Prior art keywords
tdm pilot
channel estimation
transition
local
timing synchronization
Prior art date
Application number
TW095108320A
Other languages
English (en)
Inventor
Ashok Mantravadi
Bojan Vrcelj
Fuyun Ling
Kiran Mukkavilli
Raghuraman Krishnamoorthi
Michael Mao Wang
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
Publication of TW200704060A publication Critical patent/TW200704060A/zh

Links

Classifications

    • 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
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W56/00Synchronisation arrangements
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
TW095108320A 2005-03-10 2006-03-10 Timing synchronization and channel estimation at a transition between local and wide area waveforms using a designated TDM pilot TW200704060A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US66072005P 2005-03-10 2005-03-10

Publications (1)

Publication Number Publication Date
TW200704060A true TW200704060A (en) 2007-01-16

Family

ID=36604244

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095108320A TW200704060A (en) 2005-03-10 2006-03-10 Timing synchronization and channel estimation at a transition between local and wide area waveforms using a designated TDM pilot

Country Status (9)

Country Link
EP (1) EP1856873A1 (zh)
JP (1) JP2008533851A (zh)
KR (2) KR100934149B1 (zh)
CN (1) CN101160898B (zh)
BR (1) BRPI0609275A2 (zh)
CA (1) CA2600767A1 (zh)
RU (1) RU2379847C2 (zh)
TW (1) TW200704060A (zh)
WO (1) WO2006099222A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI466495B (zh) * 2008-06-25 2014-12-21 Thomson Licensing 在劃時多元存取通訊網路中一組節點之時計同步化方法及其中之通訊裝置

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US8509051B2 (en) 2003-09-02 2013-08-13 Qualcomm Incorporated Multiplexing and transmission of multiple data streams in a wireless multi-carrier communication system
US8599764B2 (en) 2003-09-02 2013-12-03 Qualcomm Incorporated Transmission of overhead information for reception of multiple data streams
US8477809B2 (en) 2003-09-02 2013-07-02 Qualcomm Incorporated Systems and methods for generalized slot-to-interlace mapping
US7221680B2 (en) 2003-09-02 2007-05-22 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
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
SG155170A1 (en) 2004-07-29 2009-09-30 Qualcomm Inc System and method for diversity interleaving
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
TWI395447B (zh) * 2007-08-06 2013-05-01 Qualcomm Inc 用於一般化之時槽至交錯映射的方法及系統
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
US8634313B2 (en) * 2009-06-19 2014-01-21 Qualcomm Incorporated Method and apparatus that facilitates a timing alignment in a multicarrier system
CA2763134C (en) * 2009-06-26 2021-01-19 Hypres, Inc. 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
GB2540596A (en) * 2015-07-22 2017-01-25 Sony Corp Receiver and method of receiving

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US5732113A (en) * 1996-06-20 1998-03-24 Stanford University Timing and frequency synchronization of OFDM signals
EP0938208A1 (en) * 1998-02-22 1999-08-25 Sony International (Europe) GmbH Multicarrier transmission, compatible with the existing GSM system
US6256508B1 (en) * 1998-02-27 2001-07-03 Mitsubishi Denki Kabushiki Kaisha Simultaneous broadcasting system, transmitter and receiver therefor
EP0944275B1 (en) 1998-03-19 2005-09-14 Hitachi, Ltd. Broadcast information delivering system
DE10114035A1 (de) * 2001-03-22 2002-12-12 Bosch Gmbh Robert Verfahren zum Versenden von digitalen Rundfunksignalen
US6675022B2 (en) * 2001-08-31 2004-01-06 Motorola Inc. Method and apparatus for providing localized information to a communication device in a wide area communication system
US7660275B2 (en) * 2003-10-24 2010-02-09 Qualcomm Incorporated Local and wide-area transmissions in a wireless broadcast network
SG155170A1 (en) * 2004-07-29 2009-09-30 Qualcomm Inc System and method for diversity interleaving

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI466495B (zh) * 2008-06-25 2014-12-21 Thomson Licensing 在劃時多元存取通訊網路中一組節點之時計同步化方法及其中之通訊裝置

Also Published As

Publication number Publication date
KR100934149B1 (ko) 2009-12-29
CN101160898A (zh) 2008-04-09
CN101160898B (zh) 2013-07-03
BRPI0609275A2 (pt) 2010-03-09
CA2600767A1 (en) 2006-09-21
WO2006099222A1 (en) 2006-09-21
KR20070110917A (ko) 2007-11-20
RU2007137488A (ru) 2009-04-20
RU2379847C2 (ru) 2010-01-20
KR20090087131A (ko) 2009-08-14
EP1856873A1 (en) 2007-11-21
JP2008533851A (ja) 2008-08-21

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