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On the Optimality of Data-Aided Coarse Timing With Dirty Templates

文献类型：期刊论文

作者Zhang, Wenshu1; Yang, Liuqing1,2; Cheng, Xiang2,3; Zang, Wei4
刊名IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY
出版日期2014-05-01
卷号63期号:4页码:1759-1769
关键词Maximum-likelihood (ML) estimation timing synchronization ultrawideband (UWB) systems
英文摘要Rapid and accurate timing synchronization is a critical task in ultrawideband (UWB) systems. Yang and Giannakis introduced a promising algorithm, i.e., data-aided timing with dirty templates (TDT), which is known for low complexity and relaxed operation conditions in the presence of unknown time hopping and multipath channels. In this paper, we will explore the optimality of TDT. We develop a maximum-likelihood (ML) timing algorithm and obtain its optimum training sequence. It is shown that the optimum training sequence of the ML timing estimator coincides with that of the TDT algorithm. In addition, we prove that the ML algorithm can be simplified using this training sequence and that the simplified ML (SML) is equivalent to TDT.
WOS标题词Science & Technology ; Technology
类目[WOS]Engineering, Electrical & Electronic ; Telecommunications ; Transportation Science & Technology
研究领域[WOS]Engineering ; Telecommunications ; Transportation
关键词[WOS]WIDE-BAND COMMUNICATIONS ; CHANNELS ; RADIOS
收录类别SCI
语种英语
WOS记录号WOS:000336788900021
源URL[http://ir.ia.ac.cn/handle/173211/3660]  
专题自动化研究所_复杂系统管理与控制国家重点实验室_先进控制与自动化团队
作者单位1.Colorado State Univ, Dept Elect & Comp Engn, Ft Collins, CO 80523 USA
2.Chinese Acad Sci, Inst Automat, State Key Lab Management & Control Complex Syst, Beijing 100190, Peoples R China
3.Peking Univ, Sch Elect Engn & Comp Sci, Beijing 100871, Peoples R China
4.MathWorks Inc, Natick, MA 01760 USA
推荐引用方式
GB/T 7714		 Zhang, Wenshu,Yang, Liuqing,Cheng, Xiang,et al. On the Optimality of Data-Aided Coarse Timing With Dirty Templates[J]. IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY,2014,63(4):1759-1769.
APA Zhang, Wenshu,Yang, Liuqing,Cheng, Xiang,&Zang, Wei.(2014).On the Optimality of Data-Aided Coarse Timing With Dirty Templates.IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY,63(4),1759-1769.
MLA Zhang, Wenshu,et al."On the Optimality of Data-Aided Coarse Timing With Dirty Templates".IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY 63.4(2014):1759-1769.

入库方式： OAI收割

来源：自动化研究所

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