KR101875397B1 - 분산 입력 분산 출력 무선 시스템에서 도플러 효과를 극복하기 위한 시스템 및 방법 - Google Patents
분산 입력 분산 출력 무선 시스템에서 도플러 효과를 극복하기 위한 시스템 및 방법 Download PDFInfo
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- KR101875397B1 KR101875397B1 KR1020147033764A KR20147033764A KR101875397B1 KR 101875397 B1 KR101875397 B1 KR 101875397B1 KR 1020147033764 A KR1020147033764 A KR 1020147033764A KR 20147033764 A KR20147033764 A KR 20147033764A KR 101875397 B1 KR101875397 B1 KR 101875397B1
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- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
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- 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
- H04B7/0452—Multi-user MIMO systems
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- 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
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- H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
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- 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
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| US13/464,648 | 2012-05-04 | ||
| US13/464,648 US9312929B2 (en) | 2004-04-02 | 2012-05-04 | System and methods to compensate for Doppler effects in multi-user (MU) multiple antenna systems (MAS) |
| PCT/US2013/039580 WO2013166464A1 (en) | 2012-05-04 | 2013-05-03 | System and methods for coping with doppler effects in distributed-input distributed-output wireless systems |
Publications (2)
| Publication Number | Publication Date |
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| KR20150016299A KR20150016299A (ko) | 2015-02-11 |
| KR101875397B1 true KR101875397B1 (ko) | 2018-08-02 |
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Family Applications (1)
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| KR1020147033764A Active KR101875397B1 (ko) | 2012-05-04 | 2013-05-03 | 분산 입력 분산 출력 무선 시스템에서 도플러 효과를 극복하기 위한 시스템 및 방법 |
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| US8654815B1 (en) | 2004-04-02 | 2014-02-18 | Rearden, Llc | System and method for distributed antenna wireless communications |
| US10200094B2 (en) | 2004-04-02 | 2019-02-05 | Rearden, Llc | Interference management, handoff, power control and link adaptation in distributed-input distributed-output (DIDO) communication systems |
| US8542763B2 (en) | 2004-04-02 | 2013-09-24 | Rearden, Llc | Systems and methods to coordinate transmissions in distributed wireless systems via user clustering |
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| US11394436B2 (en) | 2004-04-02 | 2022-07-19 | Rearden, Llc | System and method for distributed antenna wireless communications |
| US9312929B2 (en) | 2004-04-02 | 2016-04-12 | Rearden, Llc | System and methods to compensate for Doppler effects in multi-user (MU) multiple antenna systems (MAS) |
| US11451275B2 (en) | 2004-04-02 | 2022-09-20 | Rearden, Llc | System and method for distributed antenna wireless communications |
| US10425134B2 (en) | 2004-04-02 | 2019-09-24 | Rearden, Llc | System and methods for planned evolution and obsolescence of multiuser spectrum |
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| US10985811B2 (en) | 2004-04-02 | 2021-04-20 | Rearden, Llc | System and method for distributed antenna wireless communications |
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