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A Novel Distance Measuring Method Based on Repeated Usage PN Sequences  

Lee, Myung-Soo (성균관대학교 정보통신공학부)
Lee, Young-Po (성균관대학교 정보통신공학부)
Yoon, Tae-Ung (성균관대학교 정보통신공학부)
Song, Chong-Han (성균관대학교 정보통신공학부)
Lee, Young-Yoon (성균관대학교 정보통신공학부)
Kim, Yun-Hee (경희대학교 전자정보학부)
Yoon, Seok-Ho (성균관대학교 정보통신공학부)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.34, no.5C, 2009 , pp. 555-560 More about this Journal
Abstract
A vehicle radar has been studied to avoid the collision of vehicles. A vehicle radar using direct sequence-ultra wideband (DS-UWB) measures the distance between a vehicle and an objective with a sufficient time margin. Therefore, the receiver should estimate the distance by processing the short UWB pulse rapidly. There have been several investigations for distance measuring based on DS-UWB signals. In this paper, we propose a novel method for rapid measuring processing time. Simulation results show that the proposed method has a shorter processing time than the conventional method.
Keywords
PN sequence; DS-UWB; correlation time; ranging error;
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