CN101502029B - 无线发送装置和无线发送方法 - Google Patents

无线发送装置和无线发送方法 Download PDF

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Publication number
CN101502029B
CN101502029B CN200780029495.9A CN200780029495A CN101502029B CN 101502029 B CN101502029 B CN 101502029B CN 200780029495 A CN200780029495 A CN 200780029495A CN 101502029 B CN101502029 B CN 101502029B
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China
Prior art keywords
reference signal
signal
channel estimation
transmission power
transmission
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
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CN200780029495.9A
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English (en)
Chinese (zh)
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CN101502029A (zh
Inventor
岸上高明
鹿山英则
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.)
Panasonic Holdings Corp
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Matsushita Electric Industrial Co Ltd
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Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority claimed from PCT/JP2007/073101 external-priority patent/WO2008069105A1/ja
Publication of CN101502029A publication Critical patent/CN101502029A/zh
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    • 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
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
    • H04L25/023—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols
    • H04L25/0232—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols by interpolation between sounding 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
    • H04L5/0001—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
    • 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

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
CN200780029495.9A 2006-11-30 2007-11-29 无线发送装置和无线发送方法 Expired - Fee Related CN101502029B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP324522/2006 2006-11-30
JP2006324522 2006-11-30
JP307757/2007 2007-11-28
JP2007307757A JP5159274B2 (ja) 2006-11-30 2007-11-28 無線送信装置及び無線送信方法
PCT/JP2007/073101 WO2008069105A1 (ja) 2006-11-30 2007-11-29 無線送信装置、無線受信装置、無線送信方法、及び、無線受信方法

Publications (2)

Publication Number Publication Date
CN101502029A CN101502029A (zh) 2009-08-05
CN101502029B true CN101502029B (zh) 2013-04-24

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CN200780029495.9A Expired - Fee Related CN101502029B (zh) 2006-11-30 2007-11-29 无线发送装置和无线发送方法

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US (1) US8300725B2 (enExample)
JP (1) JP5159274B2 (enExample)
CN (1) CN101502029B (enExample)

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US8612502B2 (en) * 2007-03-21 2013-12-17 Qualcomm Incorporated Simplified equalization for correlated channels in OFDMA
CN102090006B (zh) * 2008-05-13 2014-08-06 株式会社Ntt都科摩 基站、用户装置和方法
CN102265648B (zh) * 2008-06-24 2014-01-29 三菱电机株式会社 利用跳频探测参考信号的天线选择
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US8340605B2 (en) * 2008-08-06 2012-12-25 Qualcomm Incorporated Coordinated transmissions between cells of a base station in a wireless communications system
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KR101521094B1 (ko) * 2008-11-19 2015-05-18 삼성전자주식회사 무선 통신 시스템에서 신호 수신 방법 및 장치
EP2381602B1 (en) * 2008-12-22 2015-12-16 Hitachi, Ltd. Method of positioning of signal
KR101641119B1 (ko) 2009-02-02 2016-07-20 삼성전자 주식회사 무선 통신 시스템에서 제어 채널 송수신 방법 및 장치
WO2010098581A2 (en) * 2009-02-26 2010-09-02 Lg Electronics Inc. Method and apparatus of transmitting data in mbsfn subframe in wireless communication system
EP2234354A1 (en) * 2009-03-24 2010-09-29 NTT DoCoMo, Inc. A radio channel estimator exploiting correlations in space, frequency and time domain
US8964621B2 (en) * 2009-05-08 2015-02-24 Qualcomm Incorporated Transmission and reception of a reference signal supporting positioning in a wireless communication network
JP5297889B2 (ja) * 2009-05-21 2013-09-25 シャープ株式会社 無線通信システムおよび無線通信装置
JP5375960B2 (ja) * 2009-06-23 2013-12-25 日本電気株式会社 チャネル推定装置、チャネル推定方法及びプログラム
CN102449967B (zh) * 2009-08-17 2014-05-28 上海贝尔股份有限公司 移动通信系统及其中的数据传输方法
US8559325B2 (en) * 2009-09-15 2013-10-15 Qualcomm Incorporated Systems and methods for over the air load indicator for wireless scheduling
US8868091B2 (en) 2010-01-18 2014-10-21 Qualcomm Incorporated Methods and apparatus for facilitating inter-cell interference coordination via over the air load indicator and relative narrowband transmit power
JP5547988B2 (ja) * 2010-03-01 2014-07-16 シャープ株式会社 通信システム、送信装置、受信装置、通信方法
WO2011108028A1 (ja) * 2010-03-05 2011-09-09 富士通株式会社 無線通信システム、端末装置、及び無線通信システムにおける無線通信方法
JP2011188311A (ja) * 2010-03-09 2011-09-22 Kyocera Corp 送信装置および送信方法
CN102223336B (zh) * 2010-04-16 2014-04-09 联芯科技有限公司 无线通信方法和设备
CN101854315B (zh) * 2010-05-31 2012-08-22 合肥东芯通信股份有限公司 一种信道估计系统和方法
JP5556409B2 (ja) * 2010-06-17 2014-07-23 富士通セミコンダクター株式会社 無線受信装置およびその伝搬路推定方法
JP4675432B2 (ja) * 2010-08-31 2011-04-20 株式会社エヌ・ティ・ティ・ドコモ Ｏｆｄｍ方式で変調された送信信号を受信する受信装置及び受信方法
CN103368889B (zh) * 2012-03-29 2016-06-29 上海贝尔股份有限公司 滤波器组多载波信号发射及信道估计的方法和装置
WO2014154293A1 (en) * 2013-03-28 2014-10-02 Nokia Solutions And Networks Oy Channel estimation in wireless communications
CN109982342B (zh) * 2013-05-24 2022-03-25 日本电信电话株式会社 无线通信装置以及无线通信方法
JP6193675B2 (ja) * 2013-08-21 2017-09-06 株式会社Ｎｔｔドコモ 無線基地局、ユーザ端末及び無線通信方法
JP6313095B2 (ja) * 2014-04-01 2018-04-18 株式会社Ｎｔｔドコモ 基地局
US10104645B2 (en) 2014-10-09 2018-10-16 Qualcomm Incorporated Random access method of devices with different path loss
JP6510358B2 (ja) * 2015-08-07 2019-05-08 日本電信電話株式会社 無線通信システム及び無線通信方法
US11876573B2 (en) * 2021-07-23 2024-01-16 Qualcomm Incorporated Repeater communication system with sub-band power measurement capability
KR20230087003A (ko) 2021-12-09 2023-06-16 삼성전자주식회사 증폭기의 비선형성 보상을 위한 파일럿 파워 조절 기술

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WO2005094023A1 (en) * 2004-03-05 2005-10-06 Qualcomm Incorporated Pilot transmission and channel estimation for miso and mimo system

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JP4563415B2 (ja) * 2007-02-14 2010-10-13 株式会社エヌ・ティ・ティ・ドコモ 移動通信システムで使用される基地局装置、ユーザ装置及び方法

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WO2005094023A1 (en) * 2004-03-05 2005-10-06 Qualcomm Incorporated Pilot transmission and channel estimation for miso and mimo system

Also Published As

Publication number Publication date
CN101502029A (zh) 2009-08-05
US8300725B2 (en) 2012-10-30
US20100220808A1 (en) 2010-09-02
JP5159274B2 (ja) 2013-03-06
JP2008160822A (ja) 2008-07-10

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