Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/46851
標題: Distance estimation using bidirectional communications without synchronous clocking
作者: Wen, C.Y.
溫志煜
Morris, R.D.
Sethares, W.A.
關鍵字: asynchronous clocking;collaborative signal processing;distance;estimation;estimation;timing calibration;wireless sensor networks;location estimation;sensor networks
Project: Ieee Transactions on Signal Processing
期刊/報告no:: Ieee Transactions on Signal Processing, Volume 55, Issue 5, Page(s) 1927-1939.
摘要: 
A fundamental problem when locating sensors in a network is to estimate the distance between pairs of sensors. This paper considers a variety of time-of-arrival and phase-shift approaches that use bidirectional signaling to bypass the need for accurate synchronous clocking. The measurement techniques are simulated and analyzed to assess the accuracy of the distance estimation. The analysis demonstrates tradeoffs between the accuracy of the oscillators, the accuracy of the subsequent distance estimation, and the complexity of the methods.
URI: http://hdl.handle.net/11455/46851
ISSN: 1053-587X
DOI: 10.1109/tsp.2006.889406
Appears in Collections:通訊工程研究所

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