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This paper presents a new resource allocation scheme for orthogonal frequency division multiple access (OFDMA) Device-to-Device (D2D) networks. A two-phase scheme is proposed to maximize the throughput of D2D networks as well as guaranteeing the reliability of D2D communication. In the first phase, an interference management scheme is proposed based on clustering to guarantee the outage probability...
In this paper, a joint clustering and power control scheme for orthogonal frequency division multiple access (OFDMA) system is proposed in Device-to-Device networks. To improve the reliability of D2D communication, the proposed scheme consists of two phases. In the first phase, an interference management scheme is proposed based on clustering in order to guarantee the outage probability of D2D communications...
Butt joints of aluminum foam were made by three different brazing processes including brazing with multilayer filler metal in high vacuum of 10 −3 (Pa) degree, brazing with multilayer filler metal in low vacuum of 1 (Pa) degree and brazing with monolayer filler metal in high vacuum of 10 −3 (Pa) degree. The macrostructure and microstructure characteristics and bending strength of the...
In this paper we introduce the design and implementation of an automatic camera servo system using improved frame differential algorithm which can be used in varying environments. The system uses frame differential algorithm which is improved by us to analyse the screen shots. In order to make sure that the moving object is always in the center of the shot, the system detects the target motion and...
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