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Joint for time of arrival and direction of arrival estimation algorithm based on the subspace of extended hadamard product
2015
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、第四代移 动通信 (the 4 th generation mobile communication, 4G)、电气电子工程师协会 (Institute of Electrical and Electronics Engineers, IEEE)802.11 无线局域 网 (Wireless Local Area Network, WLAN) 和全球 微波互联接入 (Worldwide Interoperability for Microwave Access, WiMax) 等各个标准中. 窄带阵列天线 OFDM 系统在为用户提供数据 服务的同时也可以提供基于位置的服务 (location based services, LBS). 到 达 时 间 (time of arrival, TOA) 估计是位置估计的关键技术之一, 被应用于 雷达 [3] 和无线电通信中的目标定位 [4] . 此外, 利 用阵列天线对信号波达方向 (direction of arrival, DOA) 的估计可以有效减少定位系统的节点数, 因 此研究基于 TOA 和 DOA 联合估计的定位方法具 有重要的意义.
doi:10.7498/aps.64.078403
fatcat:nz6pk7ycf5b7tbg2xawc7yiuhe