TWI578736B - 增強在分散式輸入分散式輸出之無線系統中之空間分集的系統及方法 - Google Patents
增強在分散式輸入分散式輸出之無線系統中之空間分集的系統及方法 Download PDFInfo
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- TWI578736B TWI578736B TW102117728A TW102117728A TWI578736B TW I578736 B TWI578736 B TW I578736B TW 102117728 A TW102117728 A TW 102117728A TW 102117728 A TW102117728 A TW 102117728A TW I578736 B TWI578736 B TW I578736B
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Classifications
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- H—ELECTRICITY
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- 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
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- H04B7/022—Site diversity; Macro-diversity
- H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [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
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
- H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
- H04B7/0465—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking power constraints at power amplifier or emission constraints, e.g. constant modulus, into account
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- 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
- H04B7/0604—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 with predefined switching scheme
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- 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
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- 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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- H04W52/04—Transmission power control [TPC]
- H04W52/38—TPC being performed in particular situations
- H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
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Applications Claiming Priority (1)
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| US13/475,598 US9685997B2 (en) | 2007-08-20 | 2012-05-18 | Systems and methods to enhance spatial diversity in distributed-input distributed-output wireless systems |
Publications (2)
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| TW201409963A TW201409963A (zh) | 2014-03-01 |
| TWI578736B true TWI578736B (zh) | 2017-04-11 |
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| TW102117728A TWI578736B (zh) | 2012-05-18 | 2013-05-17 | 增強在分散式輸入分散式輸出之無線系統中之空間分集的系統及方法 |
| TW107121691A TWI666892B (zh) | 2012-05-18 | 2013-05-17 | 增強在分散式輸入分散式輸出之無線系統中之空間分集的系統及方法 |
| TW108124680A TWI723463B (zh) | 2012-05-18 | 2013-05-17 | 增強在分散式輸入分散式輸出之無線系統中之空間分集的系統及方法 |
| TW105143637A TWI633767B (zh) | 2012-05-18 | 2013-05-17 | 增強在分散式輸入分散式輸出之無線系統中之空間分集的系統及方法 |
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| TW107121691A TWI666892B (zh) | 2012-05-18 | 2013-05-17 | 增強在分散式輸入分散式輸出之無線系統中之空間分集的系統及方法 |
| TW108124680A TWI723463B (zh) | 2012-05-18 | 2013-05-17 | 增強在分散式輸入分散式輸出之無線系統中之空間分集的系統及方法 |
| TW105143637A TWI633767B (zh) | 2012-05-18 | 2013-05-17 | 增強在分散式輸入分散式輸出之無線系統中之空間分集的系統及方法 |
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| US11394436B2 (en) | 2004-04-02 | 2022-07-19 | Rearden, Llc | System and method for distributed antenna wireless communications |
| US11309943B2 (en) | 2004-04-02 | 2022-04-19 | Rearden, Llc | System and methods for planned evolution and obsolescence of multiuser spectrum |
| 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 |
| US8654815B1 (en) | 2004-04-02 | 2014-02-18 | Rearden, Llc | System and method for distributed antenna wireless communications |
| US10749582B2 (en) | 2004-04-02 | 2020-08-18 | Rearden, Llc | Systems and methods to coordinate transmissions in distributed wireless systems via user clustering |
| US10425134B2 (en) | 2004-04-02 | 2019-09-24 | Rearden, Llc | System and methods for planned evolution and obsolescence of multiuser spectrum |
| US10277290B2 (en) | 2004-04-02 | 2019-04-30 | Rearden, Llc | Systems and methods to exploit areas of coherence in wireless systems |
| US8542763B2 (en) | 2004-04-02 | 2013-09-24 | Rearden, Llc | Systems and methods to coordinate transmissions in distributed wireless systems via user clustering |
| US10886979B2 (en) | 2004-04-02 | 2021-01-05 | Rearden, Llc | System and method for link adaptation in DIDO multicarrier systems |
| US10985811B2 (en) | 2004-04-02 | 2021-04-20 | 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 |
| US9685997B2 (en) | 2007-08-20 | 2017-06-20 | Rearden, Llc | Systems and methods to enhance spatial diversity in distributed-input distributed-output wireless systems |
| US11190947B2 (en) * | 2014-04-16 | 2021-11-30 | Rearden, Llc | Systems and methods for concurrent spectrum usage within actively used spectrum |
| US11050468B2 (en) | 2014-04-16 | 2021-06-29 | Rearden, Llc | Systems and methods for mitigating interference within actively used spectrum |
| US10194346B2 (en) | 2012-11-26 | 2019-01-29 | Rearden, Llc | Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology |
| US20150229372A1 (en) * | 2014-02-07 | 2015-08-13 | Rearden, Llc | Systems and methods for mapping virtual radio instances into physical volumes of coherence in distributed antenna wireless systems |
| US11189917B2 (en) | 2014-04-16 | 2021-11-30 | Rearden, Llc | Systems and methods for distributing radioheads |
| US9973246B2 (en) | 2013-03-12 | 2018-05-15 | Rearden, Llc | Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology |
| US10488535B2 (en) | 2013-03-12 | 2019-11-26 | Rearden, Llc | Apparatus and method for capturing still images and video using diffraction coded imaging techniques |
| US9923657B2 (en) * | 2013-03-12 | 2018-03-20 | Rearden, Llc | Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology |
| US10164698B2 (en) | 2013-03-12 | 2018-12-25 | Rearden, Llc | Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology |
| US10547358B2 (en) | 2013-03-15 | 2020-01-28 | Rearden, Llc | Systems and methods for radio frequency calibration exploiting channel reciprocity in distributed input distributed output wireless communications |
| US11290162B2 (en) | 2014-04-16 | 2022-03-29 | Rearden, Llc | Systems and methods for mitigating interference within actively used spectrum |
| WO2016149871A1 (zh) | 2015-03-20 | 2016-09-29 | 华为技术有限公司 | 接收设备和接收信号的处理方法 |
| WO2019065877A1 (ja) | 2017-09-29 | 2019-04-04 | 日東電工株式会社 | 粘着性物品 |
| CN109189075B (zh) * | 2018-10-08 | 2021-05-11 | 哈尔滨工程大学 | 一种舰船用模糊遗忘因子无模型自适应航向控制方法 |
| CN112511201B (zh) * | 2020-11-19 | 2021-10-26 | 东南大学 | 天波大规模mimo通信方法及模型和系统 |
| TWI745259B (zh) * | 2020-12-03 | 2021-11-01 | 國立虎尾科技大學 | 應用於5g智慧製造設備的天線信號均優化方法 |
| CN113472405B (zh) * | 2021-09-02 | 2021-11-16 | 国网江苏省电力有限公司信息通信分公司 | 基于最佳相关矩阵的mimo系统信道建模方法 |
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