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In fifth generation mobile network, Radio Access Network sharing is an attractive solution for operators to counter the traffic growth and build cost-effective networks in order to improve coverage and capacity at reasonable investments and operational costs. It consists of sharing radio access resources between two or more operators. In such multi-operator environment access selection decision is...
In this paper, three pricing scenarios are proposed to set the transaction cost of the inter-operators agreement in a multi-operator cooperative environment. An analysis, of the operators' profits, is performed for these cooperation scenarios and different price sharing models are investigated for comparison. First, we describe the proposed pricing scenarios, the motivation behind and the points of...
We investigate in this paper the access selection and joint pricing problem in multi-operator wireless networks. The problem is formulated as a Stackelberg game, where cooperating service operators first set the service price to maximize their revenue. Then, the home operator of the mobile user performs the access selection process among the service operators, in order to maximize its own profits...
The enhancement of channel access mechanism assures to provide Quality of Service (QoS) using the service differentiation mechanism over WLAN in IEEE802.11e. The service differentiation scheme is used in the Enhanced Distributed Channel Access (EDCA) MAC layer protocol and this protocol is used the random back-off window algorithm to provide QoS for the real time multimedia applications. However,...
In this paper, we propose a hybrid decision algorithm for the selection of the access in multi-operator networks environment, where competing operators share their radio access networks to meet traffic and data rate demands. The proposed algorithm guarantees the user satisfaction and a global gain for all cooperating operators. Simulation results prove the efficiency of the proposed scheme and show...
The need for Quality of Service (QoS) capabilities in the Internet originates from the fact that Best-Effort service and datagram routing do not meet up the desires of many new applications. Video conferencing, voice over IP (VoIP), and video on demand (VoD) are examples of real-time applications. These applications require some degree of resource assurance in order to operate effectively. Vast and...
This Supporting Quality of service (QoS) in the Internet is considered as one of the main challenges that recently got the attention of many researchers. QoS is the ability of a network element (e.g. an application, a host or a router) to provide some level of assurance for consistent network data delivery. Mobile IPv6 protocol enables a mobile node to communicate with other nodes after changing its...
The use of antenna arrays for the future wireless systems is a good solution to increase data rates and quality of service. The performances of these systems are very dependent on the propagation channel between the transmitter and receiver sites. That makes the spatio-temporal characterization and modeling of the channel very crucial in this context. In this paper, we present a wideband MIMO (multiple-input...
The use of antenna arrays at emission and reception seems to be a good solution for future wireless systems in order to improve data rates and quality of service. The performance of these systems is very dependent on propagation channel. In this context, channel characterization and modeling are crucial In this paper, two antenna arrays are designed and calibrated at 3.5 GHz for high resolution MIMO...
The use of antenna arrays at emission and reception is an attractive solution for future wireless systems in order to improve data rates and quality of service. The performance of these systems is very dependent on propagation channel. In this context, channel characterization and modeling are crucial. In this paper, we present the design and calibration of two antenna arrays at 3.5 GHz for MIMO (Multiple...
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