KR101158153B1 - 다중 안테나 통신 시스템에서의 데이터 전송 방법, 다중 안테나 통신 시스템의 송신기, 다중 안테나 통신 시스템에서의 데이터 수신 방법 및 다중 안테나 통신 시스템의 수신기 - Google Patents

다중 안테나 통신 시스템에서의 데이터 전송 방법, 다중 안테나 통신 시스템의 송신기, 다중 안테나 통신 시스템에서의 데이터 수신 방법 및 다중 안테나 통신 시스템의 수신기 Download PDF

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KR101158153B1
KR101158153B1 KR1020077005469A KR20077005469A KR101158153B1 KR 101158153 B1 KR101158153 B1 KR 101158153B1 KR 1020077005469 A KR1020077005469 A KR 1020077005469A KR 20077005469 A KR20077005469 A KR 20077005469A KR 101158153 B1 KR101158153 B1 KR 101158153B1
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South Korea
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transmit antennas
data
communication system
pilot tones
antenna communication
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Expired - Fee Related
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KR1020077005469A
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Korean (ko)
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KR20070052297A (ko
Inventor
시에드 아온 무즈타바
시아오웬 왕
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에이저 시스템즈 인크
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Application filed by 에이저 시스템즈 인크 filed Critical 에이저 시스템즈 인크
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Assigned to 아바고 테크놀로지스 제너럴 아이피 (싱가포르) 피티이 리미티드 reassignment 아바고 테크놀로지스 제너럴 아이피 (싱가포르) 피티이 리미티드 권리의 전부이전등록 Assignors: 에이저 시스템즈 엘엘시
Assigned to 아바고 테크놀로지스 인터내셔널 세일즈 피티이 리미티드 reassignment 아바고 테크놀로지스 인터내셔널 세일즈 피티이 리미티드 권리의 전부이전등록 Assignors: 아바고 테크놀로지스 제너럴 아이피 (싱가포르) 피티이 리미티드
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0667—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of delayed versions of same signal
    • H04B7/0669—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of delayed versions of same signal using different channel coding between antennas
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0684—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission using different training sequences per antenna
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/10—Polarisation diversity; Directional diversity
    • 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
    • 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
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/023—Multiplexing of multicarrier modulation signals, e.g. multi-user orthogonal frequency division multiple access [OFDMA]
    • 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
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/06—Channels characterised by the type of signal the signals being represented by different frequencies
    • 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
    • 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
    • H04L27/2603—Signal structure ensuring backward compatibility with legacy system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • 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
    • H04W84/12—WLAN [Wireless Local Area Networks]

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
KR1020077005469A 2004-09-09 2005-09-09 다중 안테나 통신 시스템에서의 데이터 전송 방법, 다중 안테나 통신 시스템의 송신기, 다중 안테나 통신 시스템에서의 데이터 수신 방법 및 다중 안테나 통신 시스템의 수신기 Expired - Fee Related KR101158153B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US60847204P 2004-09-09 2004-09-09
US60/608,472 2004-09-09
PCT/US2005/032253 WO2006029362A1 (en) 2004-09-09 2005-09-09 Method and apparatus for communicating orthogonal pilot tones in a multiple antenna communication system

Publications (2)

Publication Number Publication Date
KR20070052297A KR20070052297A (ko) 2007-05-21
KR101158153B1 true KR101158153B1 (ko) 2012-06-19

Family

ID=35610009

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KR1020077005469A Expired - Fee Related KR101158153B1 (ko) 2004-09-09 2005-09-09 다중 안테나 통신 시스템에서의 데이터 전송 방법, 다중 안테나 통신 시스템의 송신기, 다중 안테나 통신 시스템에서의 데이터 수신 방법 및 다중 안테나 통신 시스템의 수신기

Country Status (6)

Country Link
US (3) US7477633B2 (https=)
EP (1) EP1787448A1 (https=)
JP (1) JP2008512963A (https=)
KR (1) KR101158153B1 (https=)
CN (1) CN101080907A (https=)
WO (1) WO2006029362A1 (https=)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7366250B2 (en) * 2004-09-09 2008-04-29 Agere Systems Inc. Method and apparatus for improved efficiency in an extended multiple antenna communication system
US7961828B2 (en) * 2004-10-06 2011-06-14 Motorola Mobility, Inc. Sync bursts frequency offset compensation
US7881390B2 (en) * 2004-12-01 2011-02-01 Intel Corporation Increased discrete point processing in an OFDM communication system
KR100657312B1 (ko) * 2005-02-26 2006-12-13 삼성전자주식회사 다중입력 다중출력-직교 주파수 분할 다중화 수신기의 주파수 오프셋 및 채널 변동 보상 장치와 그 방법
ES2421782T3 (es) 2005-04-29 2013-09-05 Sony Deutschland Gmbh Dispositivo de transmisión, dispositivo de recepción y método de comunicación para un sistema de comunicaciones OFDM con nueva estructura del preámbulo
JP5002215B2 (ja) 2005-08-24 2012-08-15 パナソニック株式会社 Ｍｉｍｏ受信装置及びｍｉｍｏ受信方法
US8515480B2 (en) * 2005-11-04 2013-08-20 Nec Corporation Wireless communication system and method of controlling a transmission power
US8081687B2 (en) * 2005-11-11 2011-12-20 Broadcom Corporation Received signal determination based upon frame classification
JP4802763B2 (ja) * 2006-02-28 2011-10-26 カシオ計算機株式会社 Ｏｆｄｍ信号受信装置、ｏｆｄｍ信号受信方法及び地上波デジタル放送受信装置
US7876774B2 (en) * 2006-09-27 2011-01-25 Telefonaktiebolaget Lm Ericsson (Publ) Contention based random access method with autonomous carrier selection
US20080216125A1 (en) * 2007-03-01 2008-09-04 Microsoft Corporation Mobile Device Collaboration
JP2008278017A (ja) * 2007-04-26 2008-11-13 Toshiba Corp Ｏｆｄｍ信号の送信方法、ｏｆｄｍ送信機及びｏｆｄｍ受信機
US7729204B2 (en) * 2007-06-08 2010-06-01 Microsoft Corporation Acoustic ranging
US7986738B2 (en) * 2007-10-19 2011-07-26 Redpine Signals, Inc Peak to average power ratio reduction apparatus and method for a wireless OFDM transmitter
KR100914321B1 (ko) * 2007-12-03 2009-08-27 한국전자통신연구원 다중 안테나를 구비한 무선통신 시스템의 프레임 구성 방법
US8363740B2 (en) 2008-05-29 2013-01-29 Sony Corporation Pilot allocation in multi-carrier systems with frequency notching
US8098750B2 (en) 2008-07-10 2012-01-17 Infineon Technologies Ag Method and device for transmitting a plurality of data symbols
US8270517B2 (en) * 2009-02-13 2012-09-18 Qualcomm Incorporated Method and apparatus for orthogonal pilot tone mapping in multiple-in and multiple-out (MIMO) and spatial division multiple access (SDMA) systems
US8774331B2 (en) * 2011-10-31 2014-07-08 Qualcomm Incorporated System and method for single chain search with a multiple chain receiver
US9178675B2 (en) 2012-02-27 2015-11-03 Intel Corporation Channel estimation and tracking
US9647863B2 (en) 2012-02-27 2017-05-09 Intel Corporation Techniques to manage dwell times for pilot rotation
WO2013130460A1 (en) * 2012-02-27 2013-09-06 Intel Corporation Techniques to manage dwell times for pilot rotation
CN103312389B (zh) * 2012-03-06 2016-05-25 华为技术有限公司 一种多用户干扰抑制方法、终端及基站
US8923153B2 (en) 2012-11-02 2014-12-30 Intel Corporation Techniques to update a wireless communication channel estimation
JP5977666B2 (ja) 2012-12-26 2016-08-24 パナソニック株式会社 受信装置及び周波数選択性妨害訂正方法
WO2014182065A1 (ko) * 2013-05-07 2014-11-13 엘지전자 주식회사 데이터 유닛을 전송하는 방법 및 장치
WO2015076917A1 (en) 2013-11-19 2015-05-28 Li Guoqing C Master station and method for hew communication with signal field configuration for hew ofdma mu-mimo wideband channel operation
US9544914B2 (en) 2013-11-19 2017-01-10 Intel IP Corporation Master station and method for HEW communication using a transmission signaling structure for a HEW signal field
US9325463B2 (en) 2013-11-19 2016-04-26 Intel IP Corporation High-efficiency WLAN (HEW) master station and methods to increase information bits for HEW communication
US9271241B2 (en) 2013-11-19 2016-02-23 Intel IP Corporation Access point and methods for distinguishing HEW physical layer packets with backwards compatibility
BR112016008419A8 (pt) 2013-11-19 2022-10-04 Intel Ip Corp Método, aparelho, e meio legível por computador para escalonamento de múltiplos usuários em redes de área local sem fios
CN104184561B (zh) * 2014-01-13 2019-04-30 中兴通讯股份有限公司 预编码导频处理方法、装置、基站及终端
TWI572173B (zh) * 2014-04-01 2017-02-21 英特爾Ｉｐ公司 用於以最小正交分頻多重存取（ｏｆｄｍａ）頻寬單元進行高效能ｗｉ－ｆｉ（ｈｅｗ）通訊之主站及方法
US9680603B2 (en) 2014-04-08 2017-06-13 Intel IP Corporation High-efficiency (HE) communication station and method for communicating longer duration OFDM symbols within 40 MHz and 80 MHz bandwidth
WO2015169368A1 (en) * 2014-05-08 2015-11-12 Telefonaktiebolaget L M Ericsson (Publ) Beam forming using a dual polarized antenna arrangement
US20150327121A1 (en) 2014-05-08 2015-11-12 Guoqing C. Li Method, apparatus, and computer readable media for acknowledgement in wireless networks
DE602015060876C5 (de) 2014-06-12 2024-10-24 Huawei Technologies Co., Ltd. Verfahren und sendegerät für ofdma-ressourcenzuweisung
US20160087825A1 (en) * 2014-09-19 2016-03-24 Qualcomm Incorporated Methods and apparatus for early detection of high efficiency wireless packets in wireless communication
WO2016068671A2 (ko) * 2014-10-31 2016-05-06 엘지전자(주) 무선 통신 시스템에서 ppdu 송수신을 위한 방법 및 이를 위한 장치
WO2016125999A1 (ko) * 2015-02-04 2016-08-11 엘지전자(주) 무선 통신 시스템에서 상향링크 다중 사용자 전송을 위한 방법 및 이를 위한 장치
US9621311B2 (en) * 2015-05-08 2017-04-11 Newracom, Inc. Pilot transmission and reception for orthogonal frequency division multiple access
CN106533997B (zh) * 2015-09-09 2019-08-16 扬智科技股份有限公司 系统信噪比的计算方法及其解码装置
US12494885B2 (en) 2020-12-03 2025-12-09 Electronics And Telecommunications Research Institute Satellite communication method and apparatus for internet of things communication
CN112688866B (zh) * 2020-12-22 2023-03-21 上海金卓科技有限公司 一种数据发送、数据接收方法、电子设备及存储介质

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6141542A (en) * 1997-07-31 2000-10-31 Motorola, Inc. Method and apparatus for controlling transmit diversity in a communication system
EP1249980A2 (en) * 2001-04-09 2002-10-16 Nippon Telegraph and Telephone Corporation OFDM signal communication system, OFDM signal transmitting device and OFDM signal receiving device
WO2003065608A1 (en) 2002-01-31 2003-08-07 Qualcomm, Incorporated Time tracking loop for diversity pilots
WO2004064295A2 (en) * 2003-01-07 2004-07-29 Qualcomm, Incorporated Pilot transmission schemes for wireless multi-carrier communication systems

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5805584A (en) * 1996-02-23 1998-09-08 L-3 Communications Corporation Multi-user acquisition procedure for point-to-multipoint synchronous CDMA systems
US6898197B1 (en) * 1997-02-28 2005-05-24 Interdigital Technology Corporation Geolocation of a mobile terminal in a CDMA communication system
US6901062B2 (en) * 1999-12-01 2005-05-31 Kathrein-Werke Kg Adaptive antenna array wireless data access point
US6473467B1 (en) * 2000-03-22 2002-10-29 Qualcomm Incorporated Method and apparatus for measuring reporting channel state information in a high efficiency, high performance communications system
US20020065047A1 (en) * 2000-11-30 2002-05-30 Moose Paul H. Synchronization, channel estimation and pilot tone tracking system
US7230910B2 (en) 2001-01-30 2007-06-12 Lucent Technologies Inc. Optimal channel sounding system
JP3631698B2 (ja) * 2001-04-09 2005-03-23 日本電信電話株式会社 Ｏｆｄｍ信号伝送システム、ｏｆｄｍ信号送信装置及びｏｆｄｍ信号受信装置
US6614298B2 (en) * 2001-08-13 2003-09-02 Soma Networks, Inc. Apparatus and method for controlling adaptive circuits
JP3658569B2 (ja) 2002-03-27 2005-06-08 株式会社東芝 信号伝送システム、送信装置及び受信装置
JP3735080B2 (ja) 2002-04-09 2006-01-11 パナソニック モバイルコミュニケーションズ株式会社 Ｏｆｄｍ通信装置およびｏｆｄｍ通信方法
US7532564B2 (en) * 2002-09-11 2009-05-12 Intel Corporation Sub-banded ultra-wideband communications systems
GB2393618B (en) 2002-09-26 2004-12-15 Toshiba Res Europ Ltd Transmission signals methods and apparatus
US7986742B2 (en) 2002-10-25 2011-07-26 Qualcomm Incorporated Pilots for MIMO communication system
US20040081131A1 (en) * 2002-10-25 2004-04-29 Walton Jay Rod OFDM communication system with multiple OFDM symbol sizes
US8208364B2 (en) * 2002-10-25 2012-06-26 Qualcomm Incorporated MIMO system with multiple spatial multiplexing modes
US7324429B2 (en) * 2002-10-25 2008-01-29 Qualcomm, Incorporated Multi-mode terminal in a wireless MIMO system
US7756002B2 (en) * 2003-01-30 2010-07-13 Texas Instruments Incorporated Time-frequency interleaved orthogonal frequency division multiplexing ultra wide band physical layer
US7233612B1 (en) * 2003-02-19 2007-06-19 Advanced Micro Devices, Inc. Wireless communication deinterleaver using multi-phase logic and cascaded deinterleaving
US7668125B2 (en) * 2003-09-09 2010-02-23 Qualcomm Incorporated Incremental redundancy transmission for multiple parallel channels in a MIMO communication system
US7421041B2 (en) * 2004-03-01 2008-09-02 Qualcomm, Incorporated Iterative channel and interference estimation and decoding
US8000223B2 (en) * 2004-04-12 2011-08-16 Broadcom Corporation Method and system for multi-antenna preambles for wireless networks preserving backward compatibility
US7417974B2 (en) * 2004-04-14 2008-08-26 Broadcom Corporation Transmitting high rate data within a MIMO WLAN
US8285226B2 (en) * 2004-05-07 2012-10-09 Qualcomm Incorporated Steering diversity for an OFDM-based multi-antenna communication system
US7643453B2 (en) * 2004-06-22 2010-01-05 Webster Mark A Legacy compatible spatial multiplexing systems and methods
US7978649B2 (en) * 2004-07-15 2011-07-12 Qualcomm, Incorporated Unified MIMO transmission and reception
US7372913B2 (en) * 2004-07-22 2008-05-13 Qualcomm Incorporated Pilot tones in a multi-transmit OFDM system usable to capture transmitter diversity benefits

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6141542A (en) * 1997-07-31 2000-10-31 Motorola, Inc. Method and apparatus for controlling transmit diversity in a communication system
EP1249980A2 (en) * 2001-04-09 2002-10-16 Nippon Telegraph and Telephone Corporation OFDM signal communication system, OFDM signal transmitting device and OFDM signal receiving device
WO2003065608A1 (en) 2002-01-31 2003-08-07 Qualcomm, Incorporated Time tracking loop for diversity pilots
WO2004064295A2 (en) * 2003-01-07 2004-07-29 Qualcomm, Incorporated Pilot transmission schemes for wireless multi-carrier communication systems

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Publication number Publication date
EP1787448A1 (en) 2007-05-23
CN101080907A (zh) 2007-11-28
US7477633B2 (en) 2009-01-13
US8964522B2 (en) 2015-02-24
US7558328B2 (en) 2009-07-07
US20060067415A1 (en) 2006-03-30
WO2006029362A1 (en) 2006-03-16
JP2008512963A (ja) 2008-04-24
KR20070052297A (ko) 2007-05-21
US20080232239A1 (en) 2008-09-25
US20060072529A1 (en) 2006-04-06

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