BRPI0609275A2 - sincronização de temporização e estimação de canal em uma transição entre formas de onda de área local e ampliada com utilização de piloto tdm designado - Google Patents

sincronização de temporização e estimação de canal em uma transição entre formas de onda de área local e ampliada com utilização de piloto tdm designado Download PDF

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Publication number
BRPI0609275A2
BRPI0609275A2 BRPI0609275-6A BRPI0609275A BRPI0609275A2 BR PI0609275 A2 BRPI0609275 A2 BR PI0609275A2 BR PI0609275 A BRPI0609275 A BR PI0609275A BR PI0609275 A2 BRPI0609275 A2 BR PI0609275A2
Authority
BR
Brazil
Prior art keywords
symbol
tdm
local
pilot symbol
pilot
Prior art date
Application number
BRPI0609275-6A
Other languages
English (en)
Portuguese (pt)
Inventor
Bojan Vrcelj
Ashok Mantradavi
Krishna Kiran Mukkavilli
Fuyun Ling
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 BRPI0609275A2 publication Critical patent/BRPI0609275A2/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/0055—Synchronisation arrangements determining timing error of reception due to propagation delay
    • H04W56/0065—Synchronisation arrangements determining timing error of reception due to propagation delay using measurement of signal travel time
    • H04W56/007—Open loop measurement
    • H04W56/0075—Open loop measurement based on arrival time vs. expected arrival time
    • H04W56/0085—Open loop measurement based on arrival time vs. expected arrival time detecting a given structure in the signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/204—Multiple access
    • H04B7/212—Time-division multiple access [TDMA]
    • 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
    • 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
    • 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
    • H04L25/0226—Channel estimation using sounding signals sounding signals per se
    • 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
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2656—Frame synchronisation, e.g. packet synchronisation, time division duplex [TDD] switching point detection or subframe synchronisation
    • 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
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2662—Symbol synchronisation
    • 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
    • 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
    • H04L5/0058—Allocation criteria
    • H04L5/0064—Rate requirement of the data, e.g. scalable bandwidth, data priority
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, 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)
BRPI0609275-6A 2005-03-10 2006-03-10 sincronização de temporização e estimação de canal em uma transição entre formas de onda de área local e ampliada com utilização de piloto tdm designado BRPI0609275A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US66072005P 2005-03-10 2005-03-10
US60/660,720 2005-03-10
PCT/US2006/008762 WO2006099222A1 (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

Publications (1)

Publication Number Publication Date
BRPI0609275A2 true BRPI0609275A2 (pt) 2010-03-09

Family

ID=36604244

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0609275-6A BRPI0609275A2 (pt) 2005-03-10 2006-03-10 sincronização de temporização e estimação de canal em uma transição entre formas de onda de área local e ampliada com utilização de piloto tdm designado

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)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7221680B2 (en) 2003-09-02 2007-05-22 Qualcomm Incorporated Multiplexing and transmission of multiple data streams in a wireless multi-carrier communication system
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
GB2540596A (en) * 2015-07-22 2017-01-25 Sony Corp Receiver and method of receiving

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
KR100566040B1 (ko) 1998-03-19 2006-03-30 가부시끼가이샤 히다치 세이사꾸쇼 방송 정보 공급 시스템
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
UA90481C2 (en) * 2004-07-29 2010-05-11 Квелкомм Инкорпорейтед System and processor of interleaving

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
KR20090087131A (ko) 2009-08-14
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

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Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal acc. article 33 of ipl - extension of time limit for request of examination expired