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Performance Modeling and Analysis of Broadcast Packets in Vehicular Ad Hoc Networks
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作者 jaedeok kim Ganguk Hwang 《Journal of Systems Science and Systems Engineering》 SCIE EI CSCD 2019年第2期211-223,共13页
In this paper;we analyze the performance of a broadcast packet in a VANET with the slotted ALOHA protocol where locations of vehicles are modeled by a one-dimensional Poisson point process. We consider the packet deli... In this paper;we analyze the performance of a broadcast packet in a VANET with the slotted ALOHA protocol where locations of vehicles are modeled by a one-dimensional Poisson point process. We consider the packet delivery probability under a broadcast delay constraint. Since the successful transmission of a broadcast packet is significantly affected by interferences at receivers which are spatially correlated,让 is important to capture the spatial correlations properly in order to obtain an accurate expression of the packet delivery probability in a VANET. However, the exact analysis of the spatial correlations in interference is not mathematically tractable. In this paper we provide an accurate approximation of the spatial correlations in interference and derive the packet delivery probability with the help of the approximation. Numerical and simulation results are provided to validate our analysis and to investigate the performance of a VANET. 展开更多
关键词 PERFORMANCE ANALYSIS VANEX BROADCAST PACKETS
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