TW200623700A - A transceiver using two or more antennas, and a transmitting-receiving method thereof - Google Patents

A transceiver using two or more antennas, and a transmitting-receiving method thereof

Info

Publication number
TW200623700A
TW200623700A TW094121592A TW94121592A TW200623700A TW 200623700 A TW200623700 A TW 200623700A TW 094121592 A TW094121592 A TW 094121592A TW 94121592 A TW94121592 A TW 94121592A TW 200623700 A TW200623700 A TW 200623700A
Authority
TW
Taiwan
Prior art keywords
antennas
signals
transceiver
transmitting
signal
Prior art date
Application number
TW094121592A
Other languages
English (en)
Other versions
TWI297246B (en
Inventor
Tetsushi Abe
Original Assignee
Ntt Docomo 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 Ntt Docomo Inc filed Critical Ntt Docomo Inc
Publication of TW200623700A publication Critical patent/TW200623700A/zh
Application granted granted Critical
Publication of TWI297246B publication Critical patent/TWI297246B/zh

Links

Classifications

    • 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
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
    • 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
    • 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
    • H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
    • 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
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • 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
    • 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
TW094121592A 2004-06-28 2005-06-28 A transceiver using two or more antennas, and a transmitting-receiving method thereof TWI297246B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004190015A JP4526883B2 (ja) 2004-06-28 2004-06-28 複数アンテナを使用する送受信機および送受信方法

Publications (2)

Publication Number Publication Date
TW200623700A true TW200623700A (en) 2006-07-01
TWI297246B TWI297246B (en) 2008-05-21

Family

ID=35044931

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094121592A TWI297246B (en) 2004-06-28 2005-06-28 A transceiver using two or more antennas, and a transmitting-receiving method thereof

Country Status (6)

Country Link
US (1) US7706462B2 (zh)
EP (1) EP1613012B1 (zh)
JP (1) JP4526883B2 (zh)
KR (1) KR20060048586A (zh)
CN (1) CN1716838A (zh)
TW (1) TWI297246B (zh)

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JP4526883B2 (ja) * 2004-06-28 2010-08-18 株式会社エヌ・ティ・ティ・ドコモ 複数アンテナを使用する送受信機および送受信方法
JP4594822B2 (ja) * 2005-08-09 2010-12-08 株式会社エヌ・ティ・ティ・ドコモ 受信装置、移動通信システムにおける通信制御方法
US7796708B2 (en) 2006-03-29 2010-09-14 Provigent Ltd. Adaptive receiver loops with weighted decision-directed error
JP4777117B2 (ja) * 2006-04-05 2011-09-21 シャープ株式会社 適応変調制御装置、通信装置、及び、適応変調制御方法
US8036257B2 (en) * 2006-05-05 2011-10-11 Alcatel Lucent Method of determining at least one transmit mode parameter for a multiple-input multiple-output system
US8116391B2 (en) 2006-05-26 2012-02-14 Wi-Lan Inc. Quantization of channel state information in multiple antenna systems
CN101083647B (zh) * 2006-05-30 2010-12-29 中兴通讯股份有限公司 一种多输入多输出正交频分复用系统中实现同步的方法
WO2008050788A1 (fr) 2006-10-24 2008-05-02 Mitsubishi Electric Corporation Appareil émetteur, appareil récepteur, appareil de communication et système de communication
US7839952B2 (en) * 2006-12-05 2010-11-23 Provigent Ltd Data rate coordination in protected variable-rate links
US8031795B2 (en) 2006-12-12 2011-10-04 Hong Kong Applied Science And Technology Research Institute Co., Ltd. Pre-processing systems and methods for MIMO antenna systems
WO2008129612A1 (ja) * 2007-04-06 2008-10-30 Panasonic Corporation Ｍｉｍｏ通信方法、ｍｉｍｏ送信装置およびｍｉｍｏ受信装置
US8315574B2 (en) 2007-04-13 2012-11-20 Broadcom Corporation Management of variable-rate communication links
US7821938B2 (en) 2007-04-20 2010-10-26 Provigent Ltd. Adaptive coding and modulation for synchronous connections
US8279960B2 (en) 2007-05-23 2012-10-02 Samsung Electronics Co., Ltd. Multiple-input multiple-output communication method and multiple-input multiple-output communication system of enabling the method
WO2009011126A1 (ja) 2007-07-18 2009-01-22 Panasonic Corporation 受信装置、送信装置及び適応伝送レート制御方法
KR101531053B1 (ko) * 2007-08-10 2015-06-25 한국전자통신연구원 다중 안테나 선택 기법을 이용한 적응 변조 장치 및 방법
US8001445B2 (en) 2007-08-13 2011-08-16 Provigent Ltd. Protected communication link with improved protection indication
US8036282B2 (en) 2007-09-07 2011-10-11 Wi-Lan Inc. Multi-tiered quantization of channel state information in multiple antenna systems
US8040985B2 (en) 2007-10-09 2011-10-18 Provigent Ltd Decoding of forward error correction codes in the presence of phase noise
US8234546B2 (en) 2008-04-21 2012-07-31 Wi-Lan, Inc. Mitigation of transmission errors of quantized channel state information feedback in multi antenna systems
JP5612257B2 (ja) * 2008-10-20 2014-10-22 株式会社Ｎｔｔドコモ マルチアンテナ測定方法、マルチアンテナ測定システム
EP2209240A1 (en) * 2009-01-20 2010-07-21 Deutsche Thomson OHG Method for controlling a flow in a packet switched network
US8644409B2 (en) * 2009-02-11 2014-02-04 Qualcomm Incorporated Method and apparatus for modulation and layer mapping in a wireless communication system
US8787343B2 (en) * 2009-11-17 2014-07-22 Qualcomm Incorporated Efficient method for determining a preferred antenna pattern
WO2017090119A1 (ja) * 2015-11-25 2017-06-01 株式会社日立国際電気 無線通信システム及び受信装置
EP3624380A1 (en) * 2018-09-17 2020-03-18 Fluidmesh Networks S.r.l. Transmission rate selection in mobile applications
CN110224788B (zh) * 2019-05-27 2021-12-07 中国联合网络通信集团有限公司 一种数据传输的方法及装置

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US6760882B1 (en) * 2000-09-19 2004-07-06 Intel Corporation Mode selection for data transmission in wireless communication channels based on statistical parameters
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US7012883B2 (en) * 2001-11-21 2006-03-14 Qualcomm Incorporated Rate selection for an OFDM system
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JP4078848B2 (ja) * 2002-02-26 2008-04-23 Ｋｄｄｉ株式会社 時空間ブロック符号を用いた適応符号化方法及び送信装置
US7103325B1 (en) 2002-04-05 2006-09-05 Nortel Networks Limited Adaptive modulation and coding
US7421039B2 (en) * 2002-06-04 2008-09-02 Lucent Technologies Inc. Method and system employing antenna arrays
KR100548311B1 (ko) * 2002-06-07 2006-02-02 엘지전자 주식회사 이동 통신 시스템에서의 송신 다이버시티 장치와 방법
JP4602641B2 (ja) * 2002-10-18 2010-12-22 株式会社エヌ・ティ・ティ・ドコモ 信号伝送システム、信号伝送方法及び送信機
US8218609B2 (en) * 2002-10-25 2012-07-10 Qualcomm Incorporated Closed-loop rate control for a multi-channel communication system
WO2005011167A1 (ja) * 2003-07-29 2005-02-03 Fujitsu Limited Ofdmシステムにおけるパイロット多重方法及び送受信装置
JP4526883B2 (ja) * 2004-06-28 2010-08-18 株式会社エヌ・ティ・ティ・ドコモ 複数アンテナを使用する送受信機および送受信方法

Also Published As

Publication number Publication date
CN1716838A (zh) 2006-01-04
EP1613012A2 (en) 2006-01-04
US7706462B2 (en) 2010-04-27
US20050286618A1 (en) 2005-12-29
JP4526883B2 (ja) 2010-08-18
EP1613012B1 (en) 2012-02-22
KR20060048586A (ko) 2006-05-18
JP2006014066A (ja) 2006-01-12
EP1613012A3 (en) 2010-07-21
TWI297246B (en) 2008-05-21

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Legal Events

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MM4A Annulment or lapse of patent due to non-payment of fees