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The direct position determination approach was recently presented as a promising technique for the localization of a transmitting source with accuracy higher than that of the conventional two-step localization method. In this paper, the theoretical performance of a direct position determination estimator proposed by Weiss is examined for situations in which(More)
A wave-channel balanced dynamic RWA algorithm presented in this paper based on the business for electric power optical transport network. This algorithm is designed to solve the routing and wavelength assignment problems of multibusiness request in the complex power optical transport network. This algorithm made the classification of business requests and(More)
The Bounding Cube algorithm used in wireless sensor networks depends greatly on the known nodes. When the number of known nodes is limited, the communication range of the unknown node is only decided by the intersection range of known nodes, which will reduce the positioning precision. This paper presents an improved algorithm. After acquiring the(More)
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