CN102025663A - Ofdm同步位置估计方法及装置 - Google Patents
Ofdm同步位置估计方法及装置 Download PDFInfo
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109156019A (zh) * | 2016-06-20 | 2019-01-04 | 华为技术有限公司 | 一种ofdm符号传输方法及装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007140670A1 (fr) * | 2006-05-30 | 2007-12-13 | Zte Corporation | procédé pour réaliser une synchronisation dans un système de multiplexage par répartition orthogonale de la fréquence à entrées multiples, sorties multiples |
CN101163124A (zh) * | 2006-10-13 | 2008-04-16 | 中兴通讯股份有限公司 | 一种实现多输入多输出正交频分复用***时间同步的方法 |
CN101277290A (zh) * | 2007-03-26 | 2008-10-01 | 富士通株式会社 | 一种正交频分复用***的频率同步方法和装置 |
CN101330316A (zh) * | 2007-06-22 | 2008-12-24 | 中兴通讯股份有限公司 | 一种应用在无线通信***上行链路中的时间同步方法及装置 |
CN101883067A (zh) * | 2009-05-09 | 2010-11-10 | 电子科技大学中山学院 | 一种适用于ofdm时间同步的训练序列构造及同步算法 |
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2007140670A1 (fr) * | 2006-05-30 | 2007-12-13 | Zte Corporation | procédé pour réaliser une synchronisation dans un système de multiplexage par répartition orthogonale de la fréquence à entrées multiples, sorties multiples |
CN101163124A (zh) * | 2006-10-13 | 2008-04-16 | 中兴通讯股份有限公司 | 一种实现多输入多输出正交频分复用***时间同步的方法 |
CN101277290A (zh) * | 2007-03-26 | 2008-10-01 | 富士通株式会社 | 一种正交频分复用***的频率同步方法和装置 |
CN101330316A (zh) * | 2007-06-22 | 2008-12-24 | 中兴通讯股份有限公司 | 一种应用在无线通信***上行链路中的时间同步方法及装置 |
CN101883067A (zh) * | 2009-05-09 | 2010-11-10 | 电子科技大学中山学院 | 一种适用于ofdm时间同步的训练序列构造及同步算法 |
Non-Patent Citations (4)
Title |
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SANDRINE BOUMARD ET AL.: "《Novel Noise Variance and SNR Estimation Algorithm for Wireless MIMO OFDM Systems》", 《GLOBAL TELECOMMUNICATIONS CONFERENCE, 2003. GLOBECOM "03. IEEE》 * |
TUFVESSON F ET AL.: "《Time and frequency synchronization for OFDM using PN-sequence preambles》", 《VEHICULAR TECHNOLOGY CONFERENCE, 1999. VTC 1999 - FALL. IEEE VTS 50TH》 * |
VANDE BEEK ET AL.: "《ML Estimation of Time and Frequency Offset in OFDM Systems》", 《IEEE TRANSACTIONS ON SIGNAL PROCESSING》 * |
高燕等: "《一种基于数据辅助的OFDM***符合同步算法》", 《电子与信息学报》 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109156019A (zh) * | 2016-06-20 | 2019-01-04 | 华为技术有限公司 | 一种ofdm符号传输方法及装置 |
CN109156019B (zh) * | 2016-06-20 | 2020-09-29 | 华为技术有限公司 | 一种ofdm符号传输方法及装置 |
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Effective date of registration: 20200119 Address after: 430073 Hubei province Wuhan Dongxin East Lake high tech Development Zone, Road No. 5 Patentee after: Wuhan Hongxin Communication Technology Co., ltd. Address before: 100085, building 1, tower 5, East Road, Haidian District, Beijing Patentee before: Beifang Fenghuo Tech Co., Ltd., Beijing |
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Address after: 430205 Hubei city of Wuhan province Jiangxia Hidden Dragon Island Tan lake two Road No. 1 Patentee after: CITIC Mobile Communication Technology Co., Ltd Address before: 430073 Hubei province Wuhan Dongxin East Lake high tech Development Zone, Road No. 5 Patentee before: Wuhan Hongxin Telecommunication Technologies Co.,Ltd. |
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Address after: 430205 No.1 tanhu 2nd Road, Canglong Island, Jiangxia District, Wuhan City, Hubei Province Patentee after: CITIC Mobile Communication Technology Co.,Ltd. Address before: 430205 No.1 tanhu 2nd Road, Canglong Island, Jiangxia District, Wuhan City, Hubei Province Patentee before: CITIC Mobile Communication Technology Co., Ltd |