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Infrastructure-as-a-service (IaaS) cloud providers sell their resources as different types of virtual machines (VMs) called instances. Any resource is limited in capacity, so is the resource in cloud. Pricing models can be used as a tool for cloud providers not only to cover their costs and realize a profit but also to encourage cloud tenants to use cloud resources efficiently and achieve high utilization...
At the edge of the network with cache servers, researchers usually focused on how to cache the contents or how to deliver cached contents from edge network to user equipment (UE). In this paper, we study the content delivery scheme in ultra-dense network (UDN) scenario. Since small cells (SCs) are densely and largely deployed in UDNs, it is hard to operate the SCs with a central unit. Thus, our delivery...
Heterogeneous cloud small cell network (HCSNet) with energy harvesting is a promising technique in the next generation mobile communications. However, the cross- tier and co-tier co-channel interference can be severe due to the spectrum sharing in inter-tier and intra- tier of HCSNet. This paper investigates the problem of power allocation and subchannel assignment with the consideration of cross-tier/co-tier...
Cloud service selection and financial expense are two main concerns of users considering adoption of cloud computing services. In this paper, we propose a novel cloud federation that is cognitive to the dynamic prices. The cloud federation system first determines on which cloud services should the user applications be deployed. Then, when a cloud provider is charging too high for a VM, the proposed...
Incorporating ubiquitous wireless sensor networks (WSNs) and powerful cloud computing (CC), Sensor-Cloud (SC) is attracting growing attention from both academia and industry. However, pricing for SC is barely explored. In this paper, filling this gap, five SC pricing models (i.e., SCPM1, SCPM2, SCPM3, SCPM4 and SCPM5) are proposed first. Particularly, they charge a SC user, based on 1) the lease period...
The process of admitting secondary spectrum users via spectrum auctions provides a convenient framework for the primary license holder to control utilization of its idle resources. While most existing solutions in the literature are static, offline auction mechanisms, the dynamics of arrival and departure of secondary bidders, as well as the uncertainty of availability of a given sub-channel for leasing...
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