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In this paper, we present a novel scheme to infer viewers' preferences. The proposed scheme includes the mathematical modeling for pattern analysis of TV viewing behavior based on the peak-end rule in the field of the psychology of consumer behavior. In order to reflect the intensity of interest and the experience time, the experience function is defined and the time-weight average technique is used...
Vehicular communications provide new convergence applications by combining vehicles and communication technologies. In this paper, we consider the anti-collision warning application using vehicle-to-vehicle (V2V) communication. First, we introduce the general and special features of the overall system and specifications of the communication prototype. Then, we investigate the application scenarios...
We introduce vehicle multi-hop communication (VMC) project in Korea, which provides vehicle to vehicle and vehicle to Infra communications. At first, technical issues such as high mobility, low packet latency and high density are discussed. And we propose Mid-amble based channel estimation and hybrid MAC for vehicle safety and traffic information applications. Mid-amble based channel estimation is...
Because Ethernet passive optical network (EPON) is based on shared-medium network and a point-to-multipoint optical tree configuration, frames transmitted to any ONU are actually broadcast simultaneously to all ONUs. In EPON, the security of data transmission is critical in protecting the privacy of users and confidentiality of their communication. The MACsec is a link security method proposed by...
In this paper, the link security module developed by draft standard of IEEE 802.1AE in order to protect all frames from a listening or attacking of a malicious user at an EPON link. And it applied at an EPON OLT (optical line terminal)/ONU (optical network unit) and is provided a link security about the maximum 64 ONUs. It also used a 128 bits GCM-AES (Galois/counter mode-advanced encryption standard)...
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