CN1423864A - 在利用天线阵列的cdma系统中的下行链路信号处理 - Google Patents
在利用天线阵列的cdma系统中的下行链路信号处理 Download PDFInfo
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- CN1423864A CN1423864A CN00818294.9A CN00818294A CN1423864A CN 1423864 A CN1423864 A CN 1423864A CN 00818294 A CN00818294 A CN 00818294A CN 1423864 A CN1423864 A CN 1423864A
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- 238000012545 processing Methods 0.000 title claims abstract description 24
- 238000003491 array Methods 0.000 title description 2
- 238000000034 method Methods 0.000 claims abstract description 44
- 230000001413 cellular effect Effects 0.000 claims abstract description 16
- 230000010267 cellular communication Effects 0.000 claims abstract description 8
- 230000008569 process Effects 0.000 claims abstract description 6
- 238000004891 communication Methods 0.000 claims description 29
- 238000012360 testing method Methods 0.000 description 28
- 230000005540 biological transmission Effects 0.000 description 14
- 230000003044 adaptive effect Effects 0.000 description 12
- 230000010363 phase shift Effects 0.000 description 10
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- 238000005259 measurement Methods 0.000 description 4
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- 238000005457 optimization Methods 0.000 description 4
- 230000011664 signaling Effects 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
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- 230000003321 amplification Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
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- 230000012010 growth Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
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- 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
- H04B7/0636—Feedback format
- H04B7/0645—Variable feedback
- H04B7/0647—Variable feedback rate
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (7)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/437,764 | 1999-11-09 | ||
US09/437,764 US6985466B1 (en) | 1999-11-09 | 1999-11-09 | Downlink signal processing in CDMA systems utilizing arrays of antennae |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1423864A true CN1423864A (zh) | 2003-06-11 |
CN1248430C CN1248430C (zh) | 2006-03-29 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN00818294.9A Expired - Fee Related CN1248430C (zh) | 1999-11-09 | 2000-11-09 | 在利用天线阵列的码分多址系统中的下行链路信号处理方法和设备 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6985466B1 (zh) |
EP (1) | EP1228582A1 (zh) |
JP (1) | JP4914549B2 (zh) |
CN (1) | CN1248430C (zh) |
AU (1) | AU1483401A (zh) |
WO (1) | WO2001035548A1 (zh) |
Cited By (1)
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CN104270186A (zh) * | 2014-10-08 | 2015-01-07 | 北京科技大学 | 基于信道隔离度门限值优化的协作多点传输方法 |
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1999
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-
2000
- 2000-11-09 WO PCT/US2000/031003 patent/WO2001035548A1/en not_active Application Discontinuation
- 2000-11-09 CN CN00818294.9A patent/CN1248430C/zh not_active Expired - Fee Related
- 2000-11-09 EP EP00977159A patent/EP1228582A1/en not_active Withdrawn
- 2000-11-09 AU AU14834/01A patent/AU1483401A/en not_active Abandoned
- 2000-11-09 JP JP2001537180A patent/JP4914549B2/ja not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104270186A (zh) * | 2014-10-08 | 2015-01-07 | 北京科技大学 | 基于信道隔离度门限值优化的协作多点传输方法 |
Also Published As
Publication number | Publication date |
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WO2001035548A1 (en) | 2001-05-17 |
CN1248430C (zh) | 2006-03-29 |
JP4914549B2 (ja) | 2012-04-11 |
US6985466B1 (en) | 2006-01-10 |
JP2003514431A (ja) | 2003-04-15 |
AU1483401A (en) | 2001-06-06 |
EP1228582A1 (en) | 2002-08-07 |
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