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Founded in 2005 YouTube has became the most fast growing stream service, that has a great impact on the internet traffic distribution. Thus understanding YouTube's characteristics is crucial to network providers. In this survey we are going to present the factors that impact user's satisfaction, in other meaning the impact on the Quality of experience(QoE). Furthermore we will discuss how to determine...
In this paper, we deal with the store-and-forward paradigm for self-organizing Delay Tolerant Networks (DTN). To overcome the decentralized nature and the infrastructureless constraint of such a network, highly distributed design and efficient incentive mechanisms are needed in order to convince relay nodes to disseminate the content. Here, we exhibit a new way to set the store-and-forward scheme...
This paper presents some interesting findings about consumer confusion vis-a-vis real price for offered services and its impact on Telecommunications market dynamics. Noting that pricing strategies have a critical influence on consumer choice, customer satisfaction and customer retention in the telecommunications sector, our study focuses on the analysis of the service providers' strategic behavior...
In this paper, we design a cooperative without explicit coordination framework for Delay Tolerant Network (DTN). The aim of our scheme is to provide incentives for nodes to deliver a message from a source node to a destination. In order to extend the reward-based incentive mechanism already discussed in related literature, we allow nodes to form coalitions. The relay nodes that belong to the same...
In wireless networking, the hidden node problem occurs when a node is visible from a wireless access point AP, but not from other nodes communicating with AP. This leads to difficulties in media access control. This problem is one of limiting factors of transmission in Wi-Fi technology. Many solutions have been developed to overcome the problem of hidden terminals such as CSMA/CA based on RTS/CTS...
The purpose of this article is to bring interesting findings about consumer confusion. Obviously one of the major economic challenge is to define the most realistic consumer model on the purchasing decision making. This decision is highly limited by the information they have, the cognitive limitations of their minds, and the finite amount of time they have to make a choice. The notion of consumer...
This paper presents a mathematical model for slotted Aloha-based multihop wireless ad hoc network with ZigZag decoding. We aim by using ZigZag decoding to exploit collision that occurs due to simultaneous transmissions or hidden nodes, in order to decode involved packets by through an iterative piece-by-piece algorithm. Now, the channel state (which we confound with the transmission issue) either...
We consider a radio cell composed of one single Base Station (BS) and possibly several users. We are particularly interested in analyzing the behavior of two special users. On one hand, the first user (called the sender) has access to multiple channels and has to choose a channel to transmit its data. Obviously, the sender seeks to transmit using the best channel among the L available channels in...
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