WO2008114743A1 - 移動通信システムにおける基地局装置及び方法 - Google Patents
移動通信システムにおける基地局装置及び方法 Download PDFInfo
- Publication number
- WO2008114743A1 WO2008114743A1 PCT/JP2008/054787 JP2008054787W WO2008114743A1 WO 2008114743 A1 WO2008114743 A1 WO 2008114743A1 JP 2008054787 W JP2008054787 W JP 2008054787W WO 2008114743 A1 WO2008114743 A1 WO 2008114743A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- base station
- station apparatus
- signal sequences
- transmission antennas
- communication system
- Prior art date
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
- H04B7/0689—Hybrid systems, i.e. switching and simultaneous transmission using different transmission schemes, at least one of them being a diversity transmission scheme
-
- 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
- H04B7/0417—Feedback systems
-
- 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
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
-
- 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
- H04B7/0615—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 weighted versions of same signal
- H04B7/0617—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 weighted versions of same signal for beam forming
-
- 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
- H04B7/04—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
- H04B7/068—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 space frequency diversity
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
- H04J11/0069—Cell search, i.e. determining cell identity [cell-ID]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Abstract
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP08722183.4A EP2124350A4 (en) | 2007-03-20 | 2008-03-14 | BASE STATION METHOD AND APPARATUS IN MOBILE COMMUNICATION SYSTEM |
US12/531,816 US8514971B2 (en) | 2007-03-20 | 2008-03-14 | Base station apparatus and method in mobile communication system |
CN200880016876A CN101682473A (zh) | 2007-03-20 | 2008-03-14 | 移动通信***中的基站装置及方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007-073727 | 2007-03-20 | ||
JP2007073727A JP5026122B2 (ja) | 2007-03-20 | 2007-03-20 | 移動通信システムにおける基地局装置及び方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008114743A1 true WO2008114743A1 (ja) | 2008-09-25 |
Family
ID=39765851
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2008/054787 WO2008114743A1 (ja) | 2007-03-20 | 2008-03-14 | 移動通信システムにおける基地局装置及び方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8514971B2 (ja) |
EP (1) | EP2124350A4 (ja) |
JP (1) | JP5026122B2 (ja) |
KR (1) | KR20090119997A (ja) |
CN (1) | CN101682473A (ja) |
WO (1) | WO2008114743A1 (ja) |
Cited By (8)
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CN101877688A (zh) * | 2009-04-29 | 2010-11-03 | 华为技术有限公司 | Ofdm***的分集发射方法与装置 |
WO2011003363A1 (en) * | 2009-07-10 | 2011-01-13 | Huawei Technologies Co., Ltd. | System and method for downlink channel sounding in wireless communications systems |
WO2011042847A3 (en) * | 2009-10-08 | 2011-06-16 | Koninklijke Philips Electronics N.V. | A method for operating a radio station in a cellular communication network |
CN102282892A (zh) * | 2009-02-03 | 2011-12-14 | Lg电子株式会社 | 用于传送和接收下行链路参考信号的技术 |
CN102282907A (zh) * | 2009-03-20 | 2011-12-14 | 富士通株式会社 | 基站和移动台 |
EP2500171A2 (en) | 2009-05-14 | 2012-09-19 | DuPont Teijin Films U.S. Limited Partnership | Transparent conductive composite film |
JP5339636B2 (ja) * | 2008-08-05 | 2013-11-13 | パナソニック株式会社 | 無線通信装置及び無線通信方法 |
CN104135346A (zh) * | 2009-04-24 | 2014-11-05 | 夏普株式会社 | 无线通信***、无线通信装置及无线通信方法 |
Families Citing this family (24)
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WO2009139383A1 (ja) * | 2008-05-13 | 2009-11-19 | 株式会社 エヌ・ティ・ティ・ドコモ | 基地局、ユーザ装置及び方法 |
WO2010021510A2 (en) * | 2008-08-21 | 2010-02-25 | Lg Electronics Inc. | Method and apparatus for transmitting reference signal in wireless communication system |
CN102257743B (zh) * | 2008-12-18 | 2014-05-28 | 爱立信电话股份有限公司 | 用于无线通信的***和提供无线通信的方法 |
US8982750B2 (en) | 2009-01-16 | 2015-03-17 | Qualcomm Incorporated | Method and apparatus for transmitting overload indicator over the air |
KR101755038B1 (ko) * | 2009-01-30 | 2017-07-06 | 엘지전자 주식회사 | 무선 통신 시스템에서 참조신호 전송 장치 및 방법 |
WO2010139106A1 (zh) * | 2009-05-31 | 2010-12-09 | 华为技术有限公司 | 一种信号发射以及信号接收的方法和装置 |
JP2011004161A (ja) * | 2009-06-18 | 2011-01-06 | Sharp Corp | 通信システム、通信装置および通信方法 |
US8559990B2 (en) * | 2010-02-05 | 2013-10-15 | Qualcomm Incorporated | Apparatus and method for enabling uplink beamforming transit diversity channel estimation |
US8897386B2 (en) * | 2010-02-12 | 2014-11-25 | Htc Corporation | Multiple-input multiple-output systems and methods for wireless communication thereof for reducing the quantization effect of precoding operations utilizing finite codebooks |
US9497773B2 (en) | 2012-02-08 | 2016-11-15 | QUALOCOMM Incorporated | Method and apparatus for enhancing resource allocation for uplink MIMO communication |
US8953713B2 (en) | 2010-11-08 | 2015-02-10 | Qualcomm Incorporated | System and method for uplink multiple input multiple output transmission |
US9007888B2 (en) | 2010-11-08 | 2015-04-14 | Qualcomm Incorporated | System and method for uplink multiple input multiple output transmission |
US9084207B2 (en) * | 2010-11-08 | 2015-07-14 | Qualcomm Incorporated | System and method for uplink multiple input multiple output transmission |
US9516609B2 (en) | 2010-11-08 | 2016-12-06 | Qualcomm Incorporated | System and method for uplink multiple input multiple output transmission |
US9380490B2 (en) | 2010-11-08 | 2016-06-28 | Qualcomm Incorporated | System and method for uplink multiple input multiple output transmission |
CN102647218A (zh) * | 2011-02-15 | 2012-08-22 | 宏达国际电子股份有限公司 | 处理多输入多输出预编码的测地内插的方法及其通讯装置 |
CN102148663B (zh) * | 2011-03-22 | 2013-05-01 | 东南大学 | 综合利用长时和短时信道状态信息的自适应传输方法 |
WO2013153276A1 (en) * | 2012-04-12 | 2013-10-17 | Nokia Corporation | Transmit diversity on a control channel without additional reference signals |
JP2014027608A (ja) * | 2012-07-30 | 2014-02-06 | Ntt Docomo Inc | 基地局装置、ユーザ端末、通信システム及び通信制御方法 |
JP6050495B2 (ja) * | 2012-08-31 | 2016-12-21 | 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けるアンテナ仮想化方法及び装置 |
US20140169409A1 (en) * | 2012-12-14 | 2014-06-19 | Futurewei Technologies, Inc. | Systems and Methods for Open-loop Spatial Multiplexing Schemes for Radio Access Virtualization |
JP6336728B2 (ja) * | 2013-08-20 | 2018-06-06 | 株式会社Nttドコモ | 同期信号送信方法及び基地局装置 |
EP3108594B1 (en) * | 2014-02-19 | 2018-08-15 | Telefonaktiebolaget LM Ericsson (publ) | Data transmission over a reduced number of physical antennas |
KR102454306B1 (ko) * | 2016-09-28 | 2022-10-12 | 아이디에이씨 홀딩스, 인크. | 무선 통신 시스템을 위한 기준 신호 설계 |
Citations (5)
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WO2005114874A1 (ja) * | 2004-05-20 | 2005-12-01 | Matsushita Electric Industrial Co., Ltd. | 無線通信システム、無線通信方法、基地局装置及び端末装置 |
JP2006238292A (ja) * | 2005-02-28 | 2006-09-07 | Toshiba Corp | Ofdm信号送信装置 |
WO2006106613A1 (ja) * | 2005-03-31 | 2006-10-12 | Ntt Docomo, Inc. | 無線通信装置及び無線通信方法 |
WO2006134949A1 (ja) * | 2005-06-14 | 2006-12-21 | Ntt Docomo, Inc. | 送信装置、送信方法、受信装置及び受信方法 |
JP2007073727A (ja) | 2005-09-07 | 2007-03-22 | Elpida Memory Inc | 窒素の定量方法及び半導体装置の製造方法 |
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US7224744B2 (en) * | 2002-04-22 | 2007-05-29 | Regents Of The University Of Minnesota | Space-time multipath coding schemes for wireless communication systems |
WO2004002012A1 (de) * | 2002-06-21 | 2003-12-31 | Siemens Aktiengesellschaft | Positionsbestimmung eines nutzers in einem funkkommunikationssystem mit sendeseitigem diversity |
JP4463780B2 (ja) * | 2005-06-14 | 2010-05-19 | 株式会社エヌ・ティ・ティ・ドコモ | 送信装置および送信方法 |
US8243850B2 (en) * | 2006-10-24 | 2012-08-14 | Samsung Electronics Co., Ltd. | Method and system for generating reference signals in a wireless communication system |
KR101406318B1 (ko) * | 2006-12-05 | 2014-06-13 | 한국전자통신연구원 | 신호 및 안테나 정보 전송 방법, 그리고 안테나 개수 추정방법 |
-
2007
- 2007-03-20 JP JP2007073727A patent/JP5026122B2/ja not_active Expired - Fee Related
-
2008
- 2008-03-14 CN CN200880016876A patent/CN101682473A/zh active Pending
- 2008-03-14 KR KR1020097021276A patent/KR20090119997A/ko not_active Application Discontinuation
- 2008-03-14 EP EP08722183.4A patent/EP2124350A4/en not_active Withdrawn
- 2008-03-14 US US12/531,816 patent/US8514971B2/en not_active Expired - Fee Related
- 2008-03-14 WO PCT/JP2008/054787 patent/WO2008114743A1/ja active Application Filing
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WO2005114874A1 (ja) * | 2004-05-20 | 2005-12-01 | Matsushita Electric Industrial Co., Ltd. | 無線通信システム、無線通信方法、基地局装置及び端末装置 |
JP2006238292A (ja) * | 2005-02-28 | 2006-09-07 | Toshiba Corp | Ofdm信号送信装置 |
WO2006106613A1 (ja) * | 2005-03-31 | 2006-10-12 | Ntt Docomo, Inc. | 無線通信装置及び無線通信方法 |
WO2006134949A1 (ja) * | 2005-06-14 | 2006-12-21 | Ntt Docomo, Inc. | 送信装置、送信方法、受信装置及び受信方法 |
JP2007073727A (ja) | 2005-09-07 | 2007-03-22 | Elpida Memory Inc | 窒素の定量方法及び半導体装置の製造方法 |
Non-Patent Citations (2)
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See also references of EP2124350A4 |
Cited By (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5339636B2 (ja) * | 2008-08-05 | 2013-11-13 | パナソニック株式会社 | 無線通信装置及び無線通信方法 |
US9178639B2 (en) | 2009-02-03 | 2015-11-03 | Lg Electronics Inc. | Technique for transmitting and receiving downlink reference signals |
US10015786B2 (en) | 2009-02-03 | 2018-07-03 | Lg Electronics Inc. | Technique for transmitting and receiving downlink reference signals |
US9794924B2 (en) | 2009-02-03 | 2017-10-17 | Lg Electronics Inc. | Technique for transmitting and receiving downlink reference signals |
CN102282892A (zh) * | 2009-02-03 | 2011-12-14 | Lg电子株式会社 | 用于传送和接收下行链路参考信号的技术 |
CN102282907A (zh) * | 2009-03-20 | 2011-12-14 | 富士通株式会社 | 基站和移动台 |
CN101841358B (zh) * | 2009-03-20 | 2013-08-21 | 富士通株式会社 | 基站和移动台 |
CN104135346A (zh) * | 2009-04-24 | 2014-11-05 | 夏普株式会社 | 无线通信***、无线通信装置及无线通信方法 |
CN101877688A (zh) * | 2009-04-29 | 2010-11-03 | 华为技术有限公司 | Ofdm***的分集发射方法与装置 |
CN101877688B (zh) * | 2009-04-29 | 2014-01-01 | 华为技术有限公司 | Ofdm***的分集发射方法与装置 |
EP2500171A2 (en) | 2009-05-14 | 2012-09-19 | DuPont Teijin Films U.S. Limited Partnership | Transparent conductive composite film |
US9184511B2 (en) | 2009-07-10 | 2015-11-10 | Futurewei Technologies, Inc. | System and method for downlink channel sounding in wireless communications systems |
US9735852B2 (en) | 2009-07-10 | 2017-08-15 | Huawei Technologies Co., Ltd. | System and method for downlink channel sounding in wireless communications systems |
WO2011003363A1 (en) * | 2009-07-10 | 2011-01-13 | Huawei Technologies Co., Ltd. | System and method for downlink channel sounding in wireless communications systems |
US10498416B2 (en) | 2009-07-10 | 2019-12-03 | Huawei Technologies Co., Ltd. | System and method for downlink channel sounding in wireless communications systems |
US10855353B2 (en) | 2009-07-10 | 2020-12-01 | Huawei Technologies Co., Ltd. | System and method for downlink channel sounding in wireless communications systems |
US11894897B2 (en) | 2009-07-10 | 2024-02-06 | Huawei Technologies Co., Ltd. | System and method for downlink channel sounding in wireless communications systems |
US8885746B2 (en) | 2009-10-08 | 2014-11-11 | Koninklijke Philips N.V. | Method for operating a radio station in a cellular communication network |
KR101782077B1 (ko) | 2009-10-08 | 2017-09-26 | 코닌클리케 필립스 엔.브이. | 셀룰러 통신 네트워크에서 무선 스테이션을 동작시키기 위한 방법 |
WO2011042847A3 (en) * | 2009-10-08 | 2011-06-16 | Koninklijke Philips Electronics N.V. | A method for operating a radio station in a cellular communication network |
Also Published As
Publication number | Publication date |
---|---|
US8514971B2 (en) | 2013-08-20 |
KR20090119997A (ko) | 2009-11-23 |
JP2008236429A (ja) | 2008-10-02 |
EP2124350A1 (en) | 2009-11-25 |
JP5026122B2 (ja) | 2012-09-12 |
EP2124350A4 (en) | 2014-12-10 |
CN101682473A (zh) | 2010-03-24 |
US20100316156A1 (en) | 2010-12-16 |
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