CN101291503B - 时分双工mimo多天线通信系统射频通路的校准方法与装置 - Google Patents
时分双工mimo多天线通信系统射频通路的校准方法与装置 Download PDFInfo
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Families Citing this family (29)
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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 |
US11309943B2 (en) | 2004-04-02 | 2022-04-19 | Rearden, Llc | System and methods for planned evolution and obsolescence of multiuser spectrum |
US11394436B2 (en) | 2004-04-02 | 2022-07-19 | 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 |
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 |
US9685997B2 (en) | 2007-08-20 | 2017-06-20 | Rearden, Llc | Systems and methods to enhance spatial diversity in distributed-input distributed-output wireless systems |
JP2010109631A (ja) * | 2008-10-29 | 2010-05-13 | Kyocera Corp | 無線通信システム、送信装置、および通信信号送信方法 |
KR20120033335A (ko) * | 2009-06-23 | 2012-04-06 | 알까뗄 루슨트 | 시분할 듀플렉싱 mimo 시스템에서 신호를 전송하는 방법 및 장치 |
CN101729140A (zh) * | 2009-11-10 | 2010-06-09 | 中兴通讯股份有限公司 | 通道校准方法及装置 |
CN102195756B (zh) * | 2010-03-17 | 2015-07-08 | 株式会社Ntt都科摩 | 时分双工mimo系统的校准方法和装置 |
CN102082745B (zh) * | 2010-04-19 | 2013-10-16 | 电信科学技术研究院 | 天线校准信息的上报、天线校准因子的确定方法及设备 |
US11050468B2 (en) | 2014-04-16 | 2021-06-29 | Rearden, Llc | Systems and methods for mitigating interference within actively used spectrum |
US11189917B2 (en) | 2014-04-16 | 2021-11-30 | Rearden, Llc | Systems and methods for distributing radioheads |
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 |
US11190947B2 (en) | 2014-04-16 | 2021-11-30 | Rearden, Llc | Systems and methods for concurrent spectrum usage within actively used spectrum |
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 |
EP4243477A3 (en) * | 2013-05-24 | 2023-12-20 | Nippon Telegraph And Telephone Corporation | Wireless communication apparatus and wireless communication method |
EP3537848B1 (en) | 2013-10-30 | 2022-06-15 | Andrew Wireless Systems GmbH | Switching sub-system for distributed antenna systems using time division duplexing |
US11290162B2 (en) | 2014-04-16 | 2022-03-29 | Rearden, Llc | Systems and methods for mitigating interference within actively used spectrum |
WO2015188386A1 (en) * | 2014-06-13 | 2015-12-17 | Nokia Solutions And Networks Oy | Method,apparatus and computer program |
CN105933047A (zh) * | 2016-04-01 | 2016-09-07 | 清华大学 | 用户辅助的时分双工多输入多输出三基站信道校准方法 |
WO2018014967A1 (en) * | 2016-07-22 | 2018-01-25 | Huawei Technologies Duesseldorf Gmbh | Method for obtaining uplink calibration values, calibration method, and corresponding terminal and base station |
WO2018103086A1 (zh) * | 2016-12-09 | 2018-06-14 | 华为技术有限公司 | 发送端联合预处理方法、装置及系统 |
WO2019078766A1 (en) * | 2017-10-20 | 2019-04-25 | Telefonaktiebolaget Lm Ericsson (Publ) | RADIO RECIPROCITY CALIBRATION FOR DISTRIBUTED INPUT AND OUTPUT OUTPUT SYSTEMS |
CN108667534B (zh) * | 2018-04-27 | 2020-08-25 | 中国科学技术大学 | 时分双工模式下的mimo系统互易性校准方法 |
EP3737007B8 (en) | 2019-05-06 | 2023-11-15 | Rohde & Schwarz GmbH & Co. KG | Mobile radio testing device and method for protocol testing |
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Application publication date: 20081022 Assignee: SPREADTRUM COMMUNICATIONS (SHANGHAI) Co.,Ltd. Assignor: Xinji Lease (Tianjin) Co.,Ltd. Contract record no.: 2018990000196 Denomination of invention: Calibrating method and apparatus for radio frequency circuit of time division duplexing MIMO multi-antenna communicating system Granted publication date: 20111116 License type: Exclusive License Record date: 20180801 |
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Effective date of registration: 20221025 Address after: 201203 Shanghai city Zuchongzhi road Pudong New Area Zhangjiang hi tech park, Spreadtrum Center Building 1, Lane 2288 Patentee after: SPREADTRUM COMMUNICATIONS (SHANGHAI) Co.,Ltd. Address before: 300456 1-1-1802-7, north area of financial and Trade Center, No. 6865, Asia Road, Tianjin pilot free trade zone (Dongjiang Bonded Port Area) Patentee before: Xinji Lease (Tianjin) Co.,Ltd. |
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