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Device-to-device (D2D) communications help improve the performance of wireless multicast services in cellular networks via cooperative retransmissions among multicast recipients within a cluster. Resource utilization efficiency should be taken into account in the design of D2D communication systems. To maximize resource efficiency of D2D retransmissions, there is a tradeoff between multichannel diversity...
Based on the reference literature, by selecting some data from the Growth Enterprises Market (GEM) which has been run for more than one year, this paper studies the IPO phenomenon of GEM. According to the conclusions of this paper, there is not severe IPO underpricing phenomenon in Chinese GEM, but there is a serious long-term underperformance of the IPO. The main reason of the situation is the too...
Nowadays, increasing importance has been attached to power management in modern data centers. A lot of solutions have been produced to reduce power consumption without producing an effect on quality of service. One common way is to associate with virtualization technology that has been widely used in data centers. This is due to not only its features of reliability and ease of management,but also...
Today's data center often employs virtualization to allow multiple enterprise applications to share a common hosting platform in order to improve resource and space utilization. It could be a greater challenge when the shared server becomes overloaded or enforces priority of the common resource among applications in such an environment. In this paper, we propose Apad, a feedback-based resource allocation...
Dependency between business and resources that ensure the normal function of the business has increased dramatically in size and complexity. As communication network becomes larger and more complex, the need for advanced correlation between audit alarm and business is becoming urgent. This paper proposes a framework for business-oriented security audit, which bridges the gap between the management...
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