CN101632240B - 用于发射分集中的相位差调整的方法、装置和系统 - Google Patents
用于发射分集中的相位差调整的方法、装置和系统 Download PDFInfo
- Publication number
- CN101632240B CN101632240B CN200880008175.XA CN200880008175A CN101632240B CN 101632240 B CN101632240 B CN 101632240B CN 200880008175 A CN200880008175 A CN 200880008175A CN 101632240 B CN101632240 B CN 101632240B
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- China
- Prior art keywords
- signal
- transmit diversity
- antenna
- antennas
- diversity parameter
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- 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.)
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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
- H04B7/0602—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 antenna switching
- H04B7/0608—Antenna selection according to transmission parameters
- H04B7/061—Antenna selection according to transmission parameters using feedback from receiving side
-
- 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
- H04B7/0404—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas the mobile station comprising multiple antennas, e.g. to provide uplink diversity
-
- 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
- H04B7/0619—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 using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/0623—Auxiliary parameters, e.g. power control [PCB] or not acknowledged commands [NACK], used as feedback information
-
- 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
- H04B7/0619—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 using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
-
- 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
- H04B7/0426—Power distribution
-
- 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
- H04B7/0682—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 phase diversity (e.g. phase sweeping)
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Abstract
Description
Claims (6)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US90682607P | 2007-03-14 | 2007-03-14 | |
US60/906,826 | 2007-03-14 | ||
PCT/US2008/057098 WO2008113025A1 (en) | 2007-03-14 | 2008-03-14 | Method, apparatus and system for phase difference adjustment in transmit diversity |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101632240A CN101632240A (zh) | 2010-01-20 |
CN101632240B true CN101632240B (zh) | 2014-09-17 |
Family
ID=39650456
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200880008175.XA Active CN101632240B (zh) | 2007-03-14 | 2008-03-14 | 用于发射分集中的相位差调整的方法、装置和系统 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8750811B2 (zh) |
EP (1) | EP2119039B1 (zh) |
JP (1) | JP2010521894A (zh) |
CN (1) | CN101632240B (zh) |
WO (1) | WO2008113025A1 (zh) |
Families Citing this family (12)
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US8249187B2 (en) * | 2002-05-09 | 2012-08-21 | Google Inc. | System, method and apparatus for mobile transmit diversity using symmetric phase difference |
WO2008113038A1 (en) * | 2007-03-15 | 2008-09-18 | Magnolia Broadband Inc. | Method of controlling a transmit diversity device |
US8532211B2 (en) * | 2009-02-20 | 2013-09-10 | Qualcomm Incorporated | Methods and apparatus for power control based antenna switching |
GB2472013B (en) | 2009-07-20 | 2015-04-29 | Nvidia Technology Uk Ltd | Adaptive transmission |
CN102648588B (zh) | 2009-10-09 | 2014-11-26 | 瑞典爱立信有限公司 | 用于上行链路分集传输的方法和装置 |
TW201206545A (en) | 2010-07-14 | 2012-02-16 | Ppg Ind Ohio Inc | Filtration media and applications thereof |
WO2012027659A2 (en) | 2010-08-26 | 2012-03-01 | Ppg Industries Ohio, Inc. | Filtration media and applications thereof |
CN102215055B (zh) * | 2011-06-08 | 2018-02-09 | 中兴通讯股份有限公司 | 数据发送方法与装置 |
CN103891165B (zh) * | 2011-10-14 | 2018-07-10 | 谷歌有限责任公司 | 通用相位扰动方法 |
US8918066B2 (en) * | 2012-06-08 | 2014-12-23 | Apple Inc. | Facilitating switching between transmitting antennas in portable electronic devices |
US9451551B2 (en) | 2012-12-21 | 2016-09-20 | Apple Inc. | Controlling a power state of a cellular packet data subsystem in a portable electronic device |
CN104980205A (zh) * | 2014-04-09 | 2015-10-14 | 中兴通讯股份有限公司 | 发射分集电路与移动终端 |
Citations (1)
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CN1545770A (zh) * | 2001-05-31 | 2004-11-10 | ���ŵ���ǿ���ɷ�����˾ | 带有使用质量指示信号的智能天线的通信设备 |
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-
2008
- 2008-03-12 US US12/046,672 patent/US8750811B2/en not_active Expired - Fee Related
- 2008-03-14 WO PCT/US2008/057098 patent/WO2008113025A1/en active Application Filing
- 2008-03-14 EP EP08743932.9A patent/EP2119039B1/en active Active
- 2008-03-14 JP JP2009553827A patent/JP2010521894A/ja active Pending
- 2008-03-14 CN CN200880008175.XA patent/CN101632240B/zh active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1545770A (zh) * | 2001-05-31 | 2004-11-10 | ���ŵ���ǿ���ɷ�����˾ | 带有使用质量指示信号的智能天线的通信设备 |
Also Published As
Publication number | Publication date |
---|---|
CN101632240A (zh) | 2010-01-20 |
EP2119039B1 (en) | 2015-08-26 |
US20080227415A1 (en) | 2008-09-18 |
WO2008113025A1 (en) | 2008-09-18 |
JP2010521894A (ja) | 2010-06-24 |
EP2119039A1 (en) | 2009-11-18 |
US8750811B2 (en) | 2014-06-10 |
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