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In this paper, we investigate the selling strategy and price decisions for a seller who provides two complementary products to the strategic consumer over two periods under three selling strategies: markdown pricing (MD), second period bundling (SPB) and first period bundling (FPB). It is found that the seller's optimal prices in the second period of SPB and FPB strategies are higher than that of...
One significant challenge in cognitive radio networks is to design a framework in which the selfish secondary users are obliged to interact with each other truthfully. Moreover, due to the vulnerability of these networks against jamming attacks, designing anti-jamming defense mechanisms is equally important. In this paper, we propose a truthful mechanism, robust against the jamming, for a dynamic...
A Vehicular Cloud is defined as a set of vehicles that share their computation resources in a cloud. These resources are scheduled on demand based on cooperation between vehicles and the roadside. The biggest challenge in this type of cloud is to create a structure that will manage the service and resource when the cloud does not depend on the roadside infrastructure. Thus, the vehicles need to collaborate...
Machine-to-machine communication (M2M) is a core elements in the Internet of Things (IoT) vision. Due to the large number of devices expected, the Long-term Evolution-Advanced (LTA-A) networks may present congestion and overload problems. In this paper, we present two approaches to mitigate the impact of M2M communication in LTE-A. We model such overloaded scenario as a bankruptcy problem and apply...
Named Data Networking (NDN) is a promising Future Internet architecture to support efficient content distribution. Specifically, P2P may gain benefits from NDN, as NDN inherently provides a flexible forwarding plane for multi-source and multi-path communications. Existing studies in this area have proposed solutions, but these are adversely affected by link latency. This leads to illogical resource...
Organizations need process data in real time. Cloud Computing is a common choice but it presents high latency on data transfer. As an alternative to reduces the latency, Edge computing based on System-on-a-Chip systems (SoC-based systems) can retain part of the data processing, allowing resource sharing among multiple requests through the use of OS-level virtualization. In this work, we analyze the...
The core innovation in future 5G cellular networks-network slicing, aims at providing a flexible and efficient framework of network organization and resource management. The revolutionary network architecture based on slices, makes most of the current network cost models obsolete, as they estimate the expenditures in a static manner. In this paper, a novel methodology is proposed, in which a value...
This paper considers the problem of Base Station power minimization in downlink Orthogonal Frequency Division Multiple Access (OFDMA) systems. It aims at providing new solutions for the reduction of the total energy consumption. Such solutions rely on joint subcarrier and power allocation, under the constraints of requested per-user data rate. Practical results show that the proposed techniques allow...
A social health care system, and palliative care in particular, can be viewed as a social network of interacting patients and care providers. Each patient in the network has a set of capabilities to perform his or her intended daily tasks. However, some patients may not have the required capabilities to carry out their desired tasks. Consequently, different groups of care providers offer the patients...
Real-time video delivery in Vehicle-to-Infrastructure (V2I) scenario enables a variety of multimedia vehicular services. We conduct experiments with Dedicated Short Range Communications (DSRC) transceivers located in the mutual proximity and exchanging Skype video calls traffic. We demonstrate that the lack of coordination between the users both at the application as well as Medium Access Control...
The paper describes the author's experience in identification of computer arithmetic's implementation principles that allow extending mathematical properties of a number on its computer representation. The range of the representable numbers, bitwise identity of the result on the different computer architectures and in parallel computation are very important in the current cloud and parallel computing...
In the large-scale Wireless Metropolitan Area Network (WMAN) consisting of many wireless Access Points (APs),choosing the appropriate position to place cloudlet is very important for reducing the user's access delay. For service provider, it isalways very costly to deployment cloudlets. How many cloudletsshould be placed in a WMAN and how much resource eachcloudlet should have is very important for...
In this work, a novel method Reduced CORDIC Based Logarithm Converter (RCBLC) is introduced for computing the specific-based logarithm of the binary values, and then the hardware architecture of RCBLC based on FPGA is analyzed in detail. Hardware architecture of RCBLC is implemented such that it enables logarithm conversion with both high output bit-sensitivity and low resource utilization. In addition...
We consider load balancing in a network of caching servers delivering contents to end users. Randomized load balancing via the so-called power of two choices is a well-known approach in parallel and distributed systems that reduces network imbalance. In this paper, we propose a randomized load balancing scheme which simultaneously considers cache size limitation and proximity in the server redirection...
Computing in Cloud is a topical skill that disquiet with allocation of computing resources and services on pay- per- use basis. To access remote computers, scheduling is a key task. Scheduling of task is a NP-complete problem. It is additional obscure in cloud computing atmosphere. To achieve improved performance of cloud resource, successful and proficient scheduling methodologies are needed. This...
Cloud computing is a potential technique to deal with big data. Apache Hadoop which provides the MapReduce parallel processing framework becomes a popular system for distributed storage and processing of large data sets on computer clusters. The performance of Hadoop in parallel data processing is relied on the efficiency of a MapReduce scheduling algorithm underlying. In this paper, we improve the...
Recently Information Technology is used extensively for wide range of application for example solutions enabled through e-commerce to different web based information system. This usage has lead to development of large textual data base. Mostly this information data is stored in unstructured text. This large data developed has lead to the need of its systematic clustering for easy data retrieval organization...
To alleviate greenhouse effect, high network energy efficiency (EE) has increasingly become an important research target in wireless communication systems. In this paper, the investigation for resource blocks (RBs) and transmit power allocation to mitigate co-tier interference in small cell networks is provided. In view of the drawbacks for considerable computational loadings and the acquisition for...
This work addresses the problem of developing a synthesis algorithm for clock spine networks, which is able to systematically explore the clock resources and clock variation tolerance. The idea is to transform the problem of allocating and placing clock spines on a plane into a slicing floorplan optimization problem, in which every candidate of clock spine network structures is uniquely expressed...
Resource allocation could be one of the great challenges in business process management. Although there is much research on this subject, task similarities have been paid little attention. In this paper, a new approach is proposed for resource allocation to optimize cycle time by minimizing entropy of work list while keeping workloads balanced. The idea of the entropy of work list comes from the fact...
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