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Scarcity of the spectrum resource and mobility of users make Quality-of-Service (QoS) provision a critical issue in wireless networks. This paper presents a fuzzy call admission control scheme to meet the requirement of the QoS. It searches automatically the optimal number of the guard channels in a base station to make an effective use of resource and(More)
In this paper, we present a novel multi-level design method to secure encryption algorithms against DPA attack. Generally, DPA-resistant methods can be mainly divided into two levels: software and hardware. Software-based countermeasures are relatively cheaper to put in place, while hardware-based methods counteract DPA at a lower level and achieve better(More)
Purpose In the global economy, the need for understanding cross-cultural differences and the customer service-related processes involved in emotional labor is evident. The current study attempts to examine this issue by developing and testing hypotheses pertaining to crosscultural differences between U.S. and Chinese service workers on the levels of display(More)
Scarcity of the spectrum resource and mobility of users make quality-of-service (QoS) provision a critical issue in cellular mobile multimedia networks. This paper presents a fuzzy call admission control scheme to meet the requirement of the QoS while prioritizing handoff call requests over new call requests. It searches automatically the number of the(More)
Multiple-channels data from satellite and unmanned aerial vehicles images have gained much attention. An advanced approach used in the advanced orbiting systems is to divide the space channels into multiple-channels, called virtual channels (VC), which are scheduled according to a special mechanism achieved through the feature learning of on-satellite(More)
Existing personalized recommendation systems are facing many problems such as cold start, data sparseness and high complexity. Users' interests exist more widely and are more personalized compared with purchasing history in traditional recommendation systems. Thus, applying the interest graph in the recommendation process can make up certain shortages. This(More)