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Traffic safety and efficiency are the most important motivations for the rapid development of vehicular ad hoc network (VANET) technology. VANET is considered to provide the unified platform and solutions for the intelligent transportation system (ITS). In this paper, a novel method named spectrum penetration is proposed to improve the throughput of multi-channel MAC for VANET. Meanwhile, it can overcome...
Traffic management, road sensing and multimedia delivery in vehicular ad-hoc network (VANET) are application domains whose performance depend on network throughput. Rate adaptation is the key method to maximize the throughput by estimating the current channel qualities and deciding the best bitrate for the next frames. In VANET, rate adaptation is more challenging due to the rapid variation of channel...
In the conventional dual-hop cooperative communications, the relays with imbalanced channel gain to the source and the destination cannot be efficiently utilized since one of these two hops can become the bottleneck of the overall transmission. In this paper, we propose a cluster-based cooperative communication (CBCC) scheme to address this problem. In this scheme, relays are divided into two clusters,...
Topology control algorithm for wireless Sensor Networks (WSNs) aims to adjust the network topology to improve network performance, such as throughput, connectivity and power-efficiency. In this paper, a novel adaptive topology control (ATC) method with an adjustable parameter is proposed to maximize the expected throughput and preserve connectivity and power efficiency. By tuning the adjustable parameter,...
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