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2009 Fifth International Joint Conference on INC, IMS and IDC
An Efficient Hardware Architecture of the A-star Algorithm for the Shortest Path Search Engine
Seoul, Korea
August 25-August 27
ISBN: 978-0-7695-3769-6
There are several shortest-path search algorithms such as A-star, D-star and Dijkstra. These algorithms are widely used in automotive vehicles and mobile navigation systems. As the number of nodes is increased considerably, the shortest-path algorithms implemented in software produce heavily computational overhead. In this paper, in order to avoid computational overhead, we propose a hardware model of the A-star algorithm for the shortest-path search engine. Especially, we propose shift register based on efficient hardware model and show simulation results in comparison with previous works.
Index Terms:
shortest-path search algorithm, A-star algorithm, shift register, priority queue, sorting
Citation:
Woo-Jin Seo, Seung-Ho Ok, Jin-Ho Ahn, Sungho Kang, Byungin Moon, "An Efficient Hardware Architecture of the A-star Algorithm for the Shortest Path Search Engine," ncm, pp.1499-1502, 2009 Fifth International Joint Conference on INC, IMS and IDC, 2009
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