JP5379141B2 - パイロットサブキャリア割当てを用いる無線通信システム - Google Patents

パイロットサブキャリア割当てを用いる無線通信システム Download PDF

Info

Publication number
JP5379141B2
JP5379141B2 JP2010524778A JP2010524778A JP5379141B2 JP 5379141 B2 JP5379141 B2 JP 5379141B2 JP 2010524778 A JP2010524778 A JP 2010524778A JP 2010524778 A JP2010524778 A JP 2010524778A JP 5379141 B2 JP5379141 B2 JP 5379141B2
Authority
JP
Japan
Prior art keywords
pilot
subcarriers
antenna
ofdm symbols
subcarrier
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
JP2010524778A
Other languages
English (en)
Japanese (ja)
Other versions
JP2010539780A (ja
JP2010539780A5 (enExample
Inventor
ホ ナン，キ
サン クァク，ジン
ウー ナン，スン
スー チョイ，ジン
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics 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 LG Electronics Inc filed Critical LG Electronics Inc
Publication of JP2010539780A publication Critical patent/JP2010539780A/ja
Publication of JP2010539780A5 publication Critical patent/JP2010539780A5/ja
Application granted granted Critical
Publication of JP5379141B2 publication Critical patent/JP5379141B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • 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
    • 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
    • H04B7/0413—MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • 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
    • H04L27/0008—Modulated-carrier systems arrangements for allowing a transmitter or receiver to use more than one type of modulation
    • 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
    • H04L27/2613—Structure of the reference signals
    • H04L27/26134—Pilot insertion in the transmitter chain, e.g. pilot overlapping with data, insertion in time or frequency domain
    • 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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • 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
    • H04L25/0204—Channel estimation of multiple channels
    • 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
    • H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
    • 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
    • H04L5/0058—Allocation criteria
    • H04L5/0064—Rate requirement of the data, e.g. scalable bandwidth, data priority
    • 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
    • H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
    • 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
    • H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
    • H04L5/0094—Indication of how sub-channels of the path are allocated

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
JP2010524778A 2007-09-10 2008-09-09 パイロットサブキャリア割当てを用いる無線通信システム Expired - Fee Related JP5379141B2 (ja)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
KR10-2007-0091730 2007-09-10
KR20070091730 2007-09-10
US2189408P 2008-01-17 2008-01-17
US61/021,894 2008-01-17
US4562408P 2008-04-17 2008-04-17
US61/045,624 2008-04-17
KR1020080078432A KR101542378B1 (ko) 2007-09-10 2008-08-11 다중 안테나 시스템에서의 파일럿 부반송파 할당 방법
KR10-2008-0078432 2008-08-11
PCT/KR2008/005312 WO2009035246A2 (en) 2007-09-10 2008-09-09 Wireless communication system using pilot subcarrier allocation

Publications (3)

Publication Number Publication Date
JP2010539780A JP2010539780A (ja) 2010-12-16
JP2010539780A5 JP2010539780A5 (enExample) 2011-07-21
JP5379141B2 true JP5379141B2 (ja) 2013-12-25

Family

ID=40694615

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2010524778A Expired - Fee Related JP5379141B2 (ja) 2007-09-10 2008-09-09 パイロットサブキャリア割当てを用いる無線通信システム
JP2010521798A Expired - Fee Related JP5138038B2 (ja) 2007-09-10 2008-09-09 多重アンテナシステムにおけるパイロット副搬送波の割当方法

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2010521798A Expired - Fee Related JP5138038B2 (ja) 2007-09-10 2008-09-09 多重アンテナシステムにおけるパイロット副搬送波の割当方法

Country Status (9)

Country Link
US (4) US8149934B2 (enExample)
EP (2) EP2181514B1 (enExample)
JP (2) JP5379141B2 (enExample)
KR (2) KR101520667B1 (enExample)
CN (2) CN101836385B (enExample)
AU (1) AU2008297736B2 (enExample)
BR (1) BRPI0817069A2 (enExample)
MX (1) MX2010002666A (enExample)
WO (2) WO2009035247A2 (enExample)

Families Citing this family (81)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7248559B2 (en) 2001-10-17 2007-07-24 Nortel Networks Limited Scattered pilot pattern and channel estimation method for MIMO-OFDM systems
WO2005088882A1 (en) 2004-03-15 2005-09-22 Nortel Netowrks Limited Pilot design for ofdm systems with four transmit antennas
WO2008041546A1 (en) * 2006-09-25 2008-04-10 Panasonic Corporation Radio communication device and pilot arrangement method
KR101520667B1 (ko) 2007-09-10 2015-05-18 엘지전자 주식회사 다중 안테나 시스템에서의 파일럿 부반송파 할당 방법
CN102017461B (zh) 2008-03-10 2014-09-17 蔚蓝公司 高效及一致的无线下行链路信道配置
KR20090110208A (ko) * 2008-04-16 2009-10-21 엘지전자 주식회사 파일롯 구조를 이용한 데이터 전송방법
US8488694B2 (en) * 2008-05-06 2013-07-16 Industrial Technology Research Institute System and method for pilot design
KR101531515B1 (ko) 2008-07-04 2015-06-26 엘지전자 주식회사 파일롯 서브캐리어 할당을 사용하는 복수개의 송신 안테나를 갖는 무선 통신 시스템
US8811339B2 (en) 2008-07-07 2014-08-19 Blackberry Limited Handover schemes for wireless systems
KR101498059B1 (ko) * 2008-07-22 2015-03-03 엘지전자 주식회사 파일롯 서브캐리어 할당을 사용하는 복수개의 송신 안테나를 갖는 무선 통신 시스템
US8670774B2 (en) * 2008-09-19 2014-03-11 Qualcomm Incorporated Systems and methods for uplink control resource allocation
CN101729477B (zh) * 2008-10-31 2015-02-25 三星电子株式会社 多载波无线传输系统中发射信号的方法
US8711672B2 (en) * 2008-12-30 2014-04-29 Acer Incorporated Wireless communication system using pilot allocation, method and pilot pattern thereof
US9647810B2 (en) 2009-03-17 2017-05-09 Samsung Electronics Co., Ltd. Method and system for mapping pilot signals in multi-stream transmissions
CN101841358B (zh) * 2009-03-20 2013-08-21 富士通株式会社 基站和移动台
EP2230788A1 (en) * 2009-03-20 2010-09-22 Mitsubishi Electric R&D Centre Europe B.V. Method and device for determining a shifting parameter to be used by a telecommunication device for transferring symbols
US8675481B2 (en) 2009-03-23 2014-03-18 Lg Electronics Inc. Method and apparatus for transmitting reference signal in multi-antenna system
US11218194B2 (en) 2009-03-23 2022-01-04 Lg Electronics Inc. Method and apparatus for transmitting reference signal in multi-antenna system
US8879532B2 (en) * 2009-03-24 2014-11-04 Samsung Electronics Co., Ltd. Techniques for pilot stream remapping in OFDM wireless communication system
US8305953B2 (en) * 2009-03-31 2012-11-06 Intel Corporation Narrowband transmissions using a plurality of antennas
KR101723412B1 (ko) * 2009-07-17 2017-04-05 엘지전자 주식회사 하향링크 참조신호의 전송방법 및 장치
CN101958737B (zh) * 2009-07-20 2014-08-06 株式会社Ntt都科摩 一种用于下行发送分集的数据处理方法及基站
KR20110013195A (ko) * 2009-07-30 2011-02-09 엘지전자 주식회사 다중 안테나를 지원하는 무선 이동 통신 시스템에 있어서, 파일럿 신호를 전송하는 방법 및 장치
CN102474493B (zh) 2009-08-14 2015-01-14 Lg电子株式会社 在支持多天线的无线通信系统中传输下行链路基准信号的方法及装置
CN102612823B (zh) 2009-08-14 2015-09-09 Lg电子株式会社 在支持多天线的无线通信系统中传输下行链路基准信号的方法及装置
KR101769364B1 (ko) * 2009-08-27 2017-08-18 엘지전자 주식회사 무선 통신 시스템에서 프레임 구조를 이용하여 신호를 송수신하는 장치 및 방법
KR101696464B1 (ko) * 2009-08-28 2017-01-16 엘지전자 주식회사 무선 통신 시스템에서 파일럿 전송 방법 및 장치
US8300585B2 (en) * 2009-09-04 2012-10-30 Intel Corporation Method and apparatus for transmitting an ACK/NACK signal in a wireless communication system
KR20110040663A (ko) * 2009-10-12 2011-04-20 엘지전자 주식회사 고정된 경로를 이동하는 고속 이동체를 위한 무선 통신 시스템
EP2346224A1 (en) * 2010-01-13 2011-07-20 Panasonic Corporation Pilot Patterns for OFDM Systems with Four Transmit Antennas
EP2528244B1 (en) 2010-01-22 2018-03-07 LG Electronics Inc. Method and apparatus for providing downlink control information in an mimo wireless communication system
KR101674418B1 (ko) * 2010-04-27 2016-11-09 삼성전자주식회사 광대역 무선통신 시스템에서 다양한 시스템 대역폭을 지원하기 위한 장치 및 방법
KR101717298B1 (ko) 2010-05-10 2017-03-17 엘지전자 주식회사 무선 통신 시스템에서 상향링크 제어 채널을 위한 자원 할당 방법 및 장치
US8514976B2 (en) 2010-09-27 2013-08-20 Qualcomm Incorporated Method and apparatus for coding and interleaving for very high throughput wireless communications
KR102040336B1 (ko) * 2010-10-01 2019-11-04 인터디지탈 패튼 홀딩스, 인크 다중 안테나들을 통해 파일럿을 송신하기 위한 방법 및 장치
EP2622779B1 (en) 2010-10-01 2015-01-21 Interdigital Patent Holdings, Inc. Method and apparatus for transmitting pilot on multiple antennas
KR101726594B1 (ko) * 2010-11-29 2017-04-13 삼성전자주식회사 디지털 비디오 방송 시스템에서 채널 추정을 위한 장치 및 방법
US20130315323A1 (en) * 2011-04-24 2013-11-28 Broadcom Corporation Traveling pilots within single user, multiple user, multiple access, and/or MIMO wireless communications
WO2013039323A2 (en) * 2011-09-13 2013-03-21 Samsung Electronics Co., Ltd. Method and apparatus for transmitting/receiving data stream in wireless system
GB2494650B (en) * 2011-09-13 2014-02-19 Samsung Electronics Co Ltd Additional data streams for multi-transmitter wireless systems
US9276709B2 (en) 2011-11-08 2016-03-01 Futurewei Technologies, Inc. System and method for interference management in cellular networks
IN2014KN01764A (enExample) * 2012-01-30 2015-10-23 Ericsson Telefon Ab L M
JP5784240B2 (ja) * 2012-02-15 2015-09-24 エルジー エレクトロニクス インコーポレイティド パイロットシーケンスを生成する方法及び装置
US20130301563A1 (en) * 2012-05-11 2013-11-14 Samsung Electronics Co., Ltd Pilot design for millimeter wave broadband
US9854571B2 (en) * 2012-07-23 2017-12-26 Lg Electronics Inc. Method and apparatus for acquiring diversity gain according to distributed resource allocation for downlink control channel in wireless communication system
JPWO2014024502A1 (ja) * 2012-08-10 2016-07-25 パナソニックＩｐマネジメント株式会社 Ｏｆｄｍ送信装置、ｏｆｄｍ送信方法、ｏｆｄｍ受信装置、及びｏｆｄｍ受信方法
CN103687010B (zh) * 2012-08-30 2017-07-04 电信科学技术研究院 一种传输参考信号的方法、装置及系统
CN102932314B (zh) * 2012-11-27 2015-04-22 中国科学院微电子研究所 一种正交频分复用电力线载波通信系统的子载波分配方法
CN103281264B (zh) * 2012-11-29 2017-02-22 浙江师范大学 Ofdm系统中自适应导频样式的信道估计方法
US10028302B2 (en) * 2013-03-08 2018-07-17 Huawei Technologies Co., Ltd. System and method for uplink grant-free transmission scheme
JP6201251B2 (ja) * 2013-03-11 2017-09-27 ホアウェイ・テクノロジーズ・カンパニー・リミテッド ポイントツーマルチポイント直交周波数分割多重化通信システムにおける上流パイロット構造
CN105453463B (zh) * 2013-08-05 2018-04-03 Lg电子株式会社 在无线通信系统中从装置对装置终端发送信号的方法和设备
JP5781139B2 (ja) * 2013-10-25 2015-09-16 株式会社Ｎｔｔドコモ 無線基地局装置、移動端末装置、無線通信システム及び無線通信方法
CN104717045B (zh) * 2013-12-12 2018-08-14 华为技术有限公司 一种导频排布确定方法及基站
CN105917713B (zh) 2014-09-29 2019-12-17 华为技术有限公司 信道估计方法、通信节点及通信系统
WO2016070415A1 (en) * 2014-11-07 2016-05-12 Mediatek Singapore Pte. Ltd. Methods for resource allocation
US9985760B2 (en) * 2015-03-31 2018-05-29 Huawei Technologies Co., Ltd. System and method for an adaptive frame structure with filtered OFDM
CN104780033B (zh) * 2015-04-22 2017-11-14 电子科技大学 一种用于sim‑ofdm系统的自适应子载波分配方法
US10868650B2 (en) * 2015-05-27 2020-12-15 Qualcomm Incorporated Pilot reconfiguration and retransmission in wireless networks
JP2017011689A (ja) 2015-06-19 2017-01-12 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 送信方法、受信方法、送信装置、及び受信装置
KR102647626B1 (ko) * 2015-06-19 2024-03-14 파나소닉 인텔렉츄얼 프로퍼티 코포레이션 오브 아메리카 송신 방법, 수신 방법, 송신 장치, 및 수신 장치
JP7002185B2 (ja) * 2015-07-30 2022-01-20 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 送信方法、送信装置、受信方法、受信装置
CN105049397B (zh) * 2015-08-31 2018-06-12 电子科技大学 一种用于sim-ofdm系统的功率分配方法
CN106685874B (zh) * 2015-11-06 2020-02-14 华为技术有限公司 基于ofdm的数据传输方法及装置
EP3387755B1 (en) * 2015-12-10 2021-09-08 Sony Corporation Operating a cellular mimo system
EP3403352A1 (en) * 2016-02-02 2018-11-21 Huawei Technologies Co., Ltd. Systems and methods for scheduling of resources and pilot patterns to user terminals in a multi-user wireless network
CN107040997B (zh) * 2016-02-03 2023-07-14 中兴通讯股份有限公司 资源配置的方法及装置
CN106059729B (zh) * 2016-05-09 2018-12-11 电子科技大学 一种用于子载波调制系统的基于欧式距离的功率分配方法
CN111885726B (zh) 2016-06-20 2022-10-21 Oppo广东移动通信有限公司 信息传输方法和装置
CN107733561B (zh) * 2016-08-12 2019-12-13 华为技术有限公司 信号发送装置、信号检测装置及方法
CN107809306B (zh) * 2016-09-08 2020-06-30 上海朗帛通信技术有限公司 一种无线传输中的ue、基站中的方法和装置
JP6876238B2 (ja) * 2016-11-02 2021-05-26 ソニーグループ株式会社 端末装置、基地局装置および通信方法
KR102249124B1 (ko) * 2016-12-23 2021-05-06 후아웨이 테크놀러지 컴퍼니 리미티드 신호 송신 방법 및 기지국
US10454657B2 (en) * 2017-02-28 2019-10-22 Qualcomm Incorporated Narrowband time-division duplex frame structure for narrowband communications
CN112272047B (zh) * 2017-03-09 2022-04-15 Oppo广东移动通信有限公司 信息发送方法及装置、信息接收方法及装置以及存储介质
CN113708911B (zh) * 2018-05-10 2023-04-07 中兴通讯股份有限公司 信号的发送方法及装置、存储介质、电子装置
CN112087798A (zh) * 2019-06-14 2020-12-15 普天信息技术有限公司 一种电力通信网的下行两天线导频发送方法和装置
CN112260811B (zh) * 2020-10-17 2022-12-06 西安交通大学深圳研究院 一种多输入多输出正交频分多路复用系统的导频分配方法
CN113765837B (zh) * 2021-11-09 2022-02-11 湖南省时空基准科技有限公司 窄带数据广播的调制方法与系统、设备及存储介质
JP7845063B2 (ja) * 2022-06-07 2026-04-14 日本電気株式会社 無線送信装置
CN119094292A (zh) * 2024-08-21 2024-12-06 重庆邮电大学 一种联合载波和时隙索引调制的双模差分混沌移位键控方法

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1170897B1 (en) * 2000-07-05 2020-01-15 Wi-Fi One Technologies International Limited Pilot pattern design for a STTD scheme in an OFDM system
US7227905B2 (en) * 2001-09-18 2007-06-05 Lucent Technologies Inc. Open-loop diversity technique for systems employing multi-transmitter antennas
US7248559B2 (en) * 2001-10-17 2007-07-24 Nortel Networks Limited Scattered pilot pattern and channel estimation method for MIMO-OFDM systems
US7020110B2 (en) * 2002-01-08 2006-03-28 Qualcomm Incorporated Resource allocation for MIMO-OFDM communication systems
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
KR100922948B1 (ko) * 2004-03-11 2009-10-22 삼성전자주식회사 상향링크 직교주파수분할다중접속 시스템을 위한 파일럿설계 방법
WO2005088882A1 (en) * 2004-03-15 2005-09-22 Nortel Netowrks Limited Pilot design for ofdm systems with four transmit antennas
KR101053610B1 (ko) * 2004-06-25 2011-08-03 엘지전자 주식회사 Ｏｆｄｍ／ｏｆｄｍａ 시스템의 무선자원 할당 방법
KR100698770B1 (ko) * 2005-03-09 2007-03-23 삼성전자주식회사 광대역 무선통신시스템에서 시공간 부호화 데이터의 부반송파 사상 장치 및 방법
US9143305B2 (en) 2005-03-17 2015-09-22 Qualcomm Incorporated Pilot signal transmission for an orthogonal frequency division wireless communication system
US20060280113A1 (en) * 2005-06-10 2006-12-14 Huo David D Method and apparatus for dynamic allocation of pilot symbols
KR100880991B1 (ko) * 2005-06-16 2009-02-03 삼성전자주식회사 이동통신 시스템에서 다중 안테나를 이용한 파일럿 송수신장치 및 방법
WO2007012193A1 (en) * 2005-07-27 2007-02-01 Nortel Networks Limited Pilots for frequency division multiple access communications
WO2007022628A1 (en) * 2005-08-23 2007-03-01 Nortel Networks Limited Adaptive two-dimensional channel interpolation
TR201904500T4 (tr) * 2005-09-27 2019-05-21 Nokia Technologies Oy Çok taşıyıcılı iletimler için pilot yapısı.
JP2009527997A (ja) * 2006-02-21 2009-07-30 クゥアルコム・インコーポレイテッド マルチアンテナ無線通信のための空間パイロット構造
TWI433484B (zh) * 2006-02-22 2014-04-01 Koninkl Philips Electronics Nv 具相等功率傳輸的非對稱波束形成方法、裝置及系統
US7974176B2 (en) * 2006-02-28 2011-07-05 Atc Technologies, Llc Systems, methods and transceivers for wireless communications over discontiguous spectrum segments
JP4649353B2 (ja) * 2006-03-17 2011-03-09 株式会社東芝 Ｏｆｄｍ信号の送信方法、ｏｆｄｍ送信機及びｏｆｄｍ受信機
WO2007108080A1 (ja) 2006-03-20 2007-09-27 Fujitsu Limited 基地局およびそのmimo-ofdm通信方法
EP1901444B1 (en) 2006-09-15 2009-03-11 NTT DoCoMo Inc. Pilot overhead reduction in wireless communication systems utilizing multiple transmit antennas
CN101529789B (zh) * 2006-10-24 2014-04-09 高通股份有限公司 无线通信系统的帧结构
BRPI0717887B1 (pt) 2006-11-01 2020-05-19 Qualcomm Inc método para construir um sinal de referência, equipamento que facilita aquisição de célula, método para realizar aquisição de célula, equipamento que facilita detecção de um sinal de referência para aquisição de célula e memória legível por computador
US8130867B2 (en) 2007-01-05 2012-03-06 Qualcomm Incorporated Pilot design for improved channel and interference estimation
US8077801B2 (en) 2007-01-10 2011-12-13 Qualcomm Incorporated Pilot structure with multiplexed unicast and SFN transmissions
CN101627596B (zh) 2007-02-09 2012-08-08 夏普株式会社 Ofdm发送机和ofdm接收机
US7889801B2 (en) 2007-02-14 2011-02-15 Telefonaktiebolaget L M Ericsson (Publ) Multi transmit antenna synchronization channel transmission cell ID detection
WO2008103317A2 (en) * 2007-02-16 2008-08-28 Interdigital Technology Corporation Precoded pilot transmission for multi-user and single user mimo communications
JP2008245128A (ja) * 2007-03-28 2008-10-09 Toshiba Corp Ｏｆｄｍを用いた無線送信装置と方法及び無線受信装置と方法
KR101520667B1 (ko) 2007-09-10 2015-05-18 엘지전자 주식회사 다중 안테나 시스템에서의 파일럿 부반송파 할당 방법
US8811331B2 (en) * 2008-04-10 2014-08-19 Telefonaktiebolaget L M Ericsson (Publ) Pilot design using costas arrays

Also Published As

Publication number Publication date
WO2009035246A2 (en) 2009-03-19
CN101803256B (zh) 2014-07-23
US20090067534A1 (en) 2009-03-12
KR101520667B1 (ko) 2015-05-18
US20120207237A1 (en) 2012-08-16
US9264271B2 (en) 2016-02-16
JP2010539780A (ja) 2010-12-16
AU2008297736B2 (en) 2011-09-15
KR20090026723A (ko) 2009-03-13
KR20090026722A (ko) 2009-03-13
JP2010537548A (ja) 2010-12-02
EP2181514A2 (en) 2010-05-05
KR101542378B1 (ko) 2015-08-07
CN101836385B (zh) 2013-10-30
US8199843B2 (en) 2012-06-12
WO2009035247A2 (en) 2009-03-19
BRPI0817069A2 (pt) 2016-10-11
US8149934B2 (en) 2012-04-03
US20090067522A1 (en) 2009-03-12
US8675766B2 (en) 2014-03-18
MX2010002666A (es) 2010-04-21
AU2008297736A1 (en) 2009-03-19
CN101803256A (zh) 2010-08-11
EP2171895A4 (en) 2011-03-30
EP2181514A4 (en) 2011-03-30
CN101836385A (zh) 2010-09-15
US20140146772A1 (en) 2014-05-29
WO2009035247A3 (en) 2009-06-04
EP2171895A2 (en) 2010-04-07
EP2181514B1 (en) 2013-11-06
WO2009035246A3 (en) 2009-06-04
JP5138038B2 (ja) 2013-02-06

Similar Documents

Publication Publication Date Title
US8199843B2 (en) Wireless communication system using pilot subcarrier allocation
JP5372234B2 (ja) パイロットサブキャリア割当を用いる複数個の送信アンテナを有する無線通信システム
US8340201B2 (en) Wireless communication system with multiple transmission antennas using pilot subcarrier allocation
JP5480349B2 (ja) 多重アンテナシステムにおけるパイロット副搬送波の割当方法

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20110603

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20120515

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20120522

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20120821

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20120828

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20121025

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20130319

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20130716

A911 Transfer to examiner for re-examination before appeal (zenchi)

Free format text: JAPANESE INTERMEDIATE CODE: A911

Effective date: 20130723

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20130827

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20130926

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees