WO2009008180A1 - 無線通信装置およびｃｄｄ遅延量決定方法 - Google Patents

無線通信装置およびｃｄｄ遅延量決定方法 Download PDF

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Publication number
WO2009008180A1
WO2009008180A1 PCT/JP2008/001872 JP2008001872W WO2009008180A1 WO 2009008180 A1 WO2009008180 A1 WO 2009008180A1 JP 2008001872 W JP2008001872 W JP 2008001872W WO 2009008180 A1 WO2009008180 A1 WO 2009008180A1
Authority
WO
WIPO (PCT)
Prior art keywords
antennas
cyclic delay
cdd
communication device
radio communication
Prior art date
Application number
PCT/JP2008/001872
Other languages
English (en)
French (fr)
Inventor
Ryohei Kimura
Shinsuke Takaoka
Masayuki Hoshino
Katsuhiko Hiramatsu
Original Assignee
Panasonic Corporation
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 Panasonic Corporation filed Critical Panasonic Corporation
Priority to JP2009522530A priority Critical patent/JPWO2009008180A1/ja
Priority to US12/668,653 priority patent/US20100266060A1/en
Publication of WO2009008180A1 publication Critical patent/WO2009008180A1/ja

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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
    • H04B7/0613—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
    • H04B7/0671—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 delays 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
    • H04B7/12—Frequency diversity

Abstract

　オープンループ送信でＣＤＤを用いる場合に周波数ダイバーシチ効果を得ることができる無線通信装置。この装置において、ＣＤＤ制御情報決定部（１０１）は、アンテナ（１０９－１）～（１０９－４）のいずれか２つのアンテナで構成されるすべての組み合わせにおいて、２本のアンテナからそれぞれ送信される送信データに与える２つの循環遅延シフトサンプル数の差が最大となる組み合わせを時間の経過とともに順次変化させるように、アンテナ（１０９－１）～（１０９－４）からそれぞれ送信される送信データに与える循環遅延シフトサンプル数を決定する。そして、循環遅延部（１０５－１）～（１０５－４）は、配置部（１０４）から入力される多重された信号のうち、複数のサブキャリアにそれぞれ配置された各データシンボルに対して、ＣＤＤ制御情報決定部（１０１）から入力される循環遅延シフトサンプル数に従って互いに異なる循環遅延を与える。
PCT/JP2008/001872 2007-07-12 2008-07-11 無線通信装置およびｃｄｄ遅延量決定方法 WO2009008180A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2009522530A JPWO2009008180A1 (ja) 2007-07-12 2008-07-11 無線通信装置およびｃｄｄ遅延量決定方法
US12/668,653 US20100266060A1 (en) 2007-07-12 2008-07-11 Radio communication device and method for determining delay amount of cdd

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007183475 2007-07-12
JP2007-183475 2007-07-12
JP2008-027755 2008-02-07
JP2008027755 2008-02-07

Publications (1)

Publication Number Publication Date
WO2009008180A1 true WO2009008180A1 (ja) 2009-01-15

Family

ID=40228371

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/001872 WO2009008180A1 (ja) 2007-07-12 2008-07-11 無線通信装置およびｃｄｄ遅延量決定方法

Country Status (3)

Country Link
US (1) US20100266060A1 (ja)
JP (1) JPWO2009008180A1 (ja)
WO (1) WO2009008180A1 (ja)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010105345A1 (en) 2009-03-16 2010-09-23 Nortel Networks Limited Transmission using common and dedicated pilots
JP2012095060A (ja) * 2010-10-27 2012-05-17 Nec Corp 無線送信装置、無線受信装置、クロック同期方法および無線通信システム
CN102484514A (zh) * 2009-06-24 2012-05-30 株式会社泛泰 使用自适应循环延迟分集的协调多点发射/接收方法、使用该方法的系统侧装置和接收装置、以及用于确定协调基站集的方法
JP2020517159A (ja) * 2017-04-06 2020-06-11 エルジー エレクトロニクス インコーポレイティド 無線通信システムにおいて端末が多重アンテナを用いてＣＤＤ（ｃｙｃｌｉｃ ｄｅｌａｙ ｄｉｖｅｒｓｉｔｙ）による通信を行う方法及びそのための装置
JP2020096264A (ja) * 2018-12-11 2020-06-18 日本電信電話株式会社 光伝送システム、光送信機、光受信機及び伝達関数推定方法
US10958324B2 (en) 2019-08-05 2021-03-23 Shure Acquisition Holdings, Inc. Transmit antenna diversity wireless audio system
WO2022162786A1 (ja) * 2021-01-27 2022-08-04 日本電信電話株式会社 置局設計支援方法及び置局設計支援装置

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8374271B2 (en) * 2007-01-08 2013-02-12 Cisco Technology, Inc. Method and system for resizing a MIMO channel
US9137076B2 (en) * 2009-10-30 2015-09-15 Qualcomm Incorporated Method and apparatus for mutiplexing reference signal and data in a wireless communication system
US8923432B2 (en) * 2011-12-02 2014-12-30 Qualcomm Incorporated Systems and methods for communication over a plurality of frequencies and streams
US9184889B2 (en) * 2012-08-08 2015-11-10 Blackberry Limited Method and system having reference signal design for new carrier types
US9402256B2 (en) 2012-08-08 2016-07-26 Blackberry Limited Method and system having reference signal design for new carrier types
US10826663B2 (en) * 2013-03-13 2020-11-03 Huawei Technologies Co., Ltd. System and method for determining a pilot signal
US9444576B2 (en) 2014-05-09 2016-09-13 Qualcomm Incorporated Updates to MU-MIMO rate adaptation algorithm
US11805499B2 (en) * 2019-12-13 2023-10-31 Qualcomm Incorporated Increase diversity of slot aggregation using slot-specific cyclic delay diversity

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050118031A (ko) * 2004-06-12 2005-12-15 삼성전자주식회사 순환지연 다이버시티를 이용하여 방송 채널을 효율적으로전송하는 장치 및 방법
US8121211B2 (en) * 2007-03-26 2012-02-21 Cisco Technology, Inc. Adaptive switching techniques for hybrid automatic repeat request systems

Non-Patent Citations (6)

* Cited by examiner, † Cited by third party
Title
LG ELECTRONICS: "Link-level Evaluation of the CDD-based Precoding under Open-loop Scenario", 3GPP TSG RAN WG1 MEETING #49BIS R1-072871, 25 June 2007 (2007-06-25), pages 1 - 7, XP050106551 *
NTT DOCOMO: "Investigation on Precoding Scheme Using Cyclic Delay Diversity in #49 R1-072421", 3GPP TSG RAN WG1 MEETING #49 R1-072421, May 2007 (2007-05-01), pages 1 - 10, XP050106147 *
NTT DOCOMO: "Multi-Degree Cyclic Delay Diversity with Frequency-domain Channel Dependent Scheduling", 3GPP TSG RAN WG1 MEETING #46 R1-062107, September 2006 (2006-09-01), pages 1 - 6, XP050102652 *
QUALCOMM EUROPE: "Large Delay CDD Based Precoding for 4Tx", 3GPP TSG-RAN WG1 #49BIS R1-072743, 25 June 2007 (2007-06-25), pages 1 - 12, XP050106428 *
RICHTER G. ET AL.: "On Time-Varying Clyclic Delay Diversity", EUROPEAN TRANSACTIONS ON TELECOMMUNICATIONS, 2005 *
SIEMENS: "Time varying CDD/CSD", 3GPP TSG RAN WG1 LTE R1-062302, September 2006 (2006-09-01), pages 1 - 7, XP050102827 *

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010105345A1 (en) 2009-03-16 2010-09-23 Nortel Networks Limited Transmission using common and dedicated pilots
KR20120013952A (ko) * 2009-03-16 2012-02-15 록스타 비드코, 엘피 공통 및 전용 파일럿들을 사용하는 송신
EP2430769A1 (en) * 2009-03-16 2012-03-21 Rockstar Bidco LP Transmission using common and dedicated pilots
EP2430769A4 (en) * 2009-03-16 2012-11-28 Research In Motion Ltd TRANSFER WITH GENERAL AND DEDICATED PILOTS
US9344243B2 (en) 2009-03-16 2016-05-17 Blackberry Limited Transmission using common and dedicated pilots
KR101693063B1 (ko) * 2009-03-16 2017-01-04 블랙베리 리미티드 공통 및 전용 파일럿들을 사용하는 송신
CN102484514A (zh) * 2009-06-24 2012-05-30 株式会社泛泰 使用自适应循环延迟分集的协调多点发射/接收方法、使用该方法的系统侧装置和接收装置、以及用于确定协调基站集的方法
JP2012095060A (ja) * 2010-10-27 2012-05-17 Nec Corp 無線送信装置、無線受信装置、クロック同期方法および無線通信システム
JP2020517159A (ja) * 2017-04-06 2020-06-11 エルジー エレクトロニクス インコーポレイティド 無線通信システムにおいて端末が多重アンテナを用いてＣＤＤ（ｃｙｃｌｉｃ ｄｅｌａｙ ｄｉｖｅｒｓｉｔｙ）による通信を行う方法及びそのための装置
US11349538B2 (en) 2017-04-06 2022-05-31 Lg Electronics Inc. Method for performing, by terminal, communication according to cyclic delay diversity (CDD) using multiple antennas in wireless communication system and apparatus therefor
JP2020096264A (ja) * 2018-12-11 2020-06-18 日本電信電話株式会社 光伝送システム、光送信機、光受信機及び伝達関数推定方法
WO2020121901A1 (ja) * 2018-12-11 2020-06-18 日本電信電話株式会社 光伝送システム、光送信機、光受信機及び伝達関数推定方法
JP7193717B2 (ja) 2018-12-11 2022-12-21 日本電信電話株式会社 光伝送システム、光送信機、光受信機及び伝達関数推定方法
US10958324B2 (en) 2019-08-05 2021-03-23 Shure Acquisition Holdings, Inc. Transmit antenna diversity wireless audio system
US11303335B2 (en) 2019-08-05 2022-04-12 Shure Acquisition Holdings, Inc. Transmit antenna diversity wireless audio system
US11641227B2 (en) 2019-08-05 2023-05-02 Shure Acquisition Holdings, Inc. Transmit antenna diversity wireless audio system
WO2022162786A1 (ja) * 2021-01-27 2022-08-04 日本電信電話株式会社 置局設計支援方法及び置局設計支援装置

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US20100266060A1 (en) 2010-10-21
JPWO2009008180A1 (ja) 2010-09-02

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