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In this paper a novel framework for extending QoS to QoE in wireless networks is introduced. Instead of viewing QoE as an off-line apriori mapping between users' subjective perspective of their service quality and specific networking metrics, we treat QoE provisioning as a dynamic process that enables users to express their preference with respect to the instantaneous experience of their service performance,...
This paper presents the key designing principles and attributes of a novel autonomic architecture for enabling efficient mobility and QoS-aware resource management over an integrated IPv6-enabled heterogeneous wireless environment (CDMA cellular/WLAN). The proposed architecture is founded on Generic Autonomic Network Architecture (GANA), a generic framework for realizing autonomic networks introduced...
In this paper we present a novel autonomic architecture for CDMA wireless networks, aiming at maximizing overall network's resources utilization while fulfilling various services QoS prerequisites. Founded on a common utility-based framework that provides enhanced flexibility in supporting various and often diverse QoS prerequisites, proper non-convex resource allocation optimization problems concerning...
In this work, the problem of joint power and rate control (PRC) in CDMA-based ad hoc networks is considered and analyzed. We propose a game theoretic framework for performing efficient power and rate allocation in CDMA ad hoc networks and develop a distributed PRC algorithm for dynamically selecting the optimal neighboring destination, power and rate values. The objective is to maximize properly-defined...
In this paper, we address the problem of joint power and rate allocation in wireless CDMA ad hoc networks. A generic framework for efficiently assigning power and rate is proposed, in order to minimize power consumption and interference, and maximize overall goodput under the imposed physical limitations. The problem is formulated as a non-cooperative game where users selfishly aim at maximizing their...
This paper addresses the problem of efficient resource allocation in CDMA wireless networks, supporting non-real-time services with various long-term QoS requirements, by exploiting the advantages of opportunistic scheduling. Most of the existing work covers the analysis of the system under the assumption of infinite backlogs. In this paper, we remove this assumption and analyze the behavior of the...
In this paper the problem of resource allocation for the downlink in code division multiple access wireless networks supporting multimedia services is addressed. A utility based power and rate allocation algorithm which aims at optimizing system's performance while satisfying multiple services' diverse quality of service (QoS) requirements is introduced and analyzed. For the efficient support of real-time...
In this paper opportunistic scheduling to achieve high throughput, while at the same time satisfy both long-term and short-term users' QoS constraints in wireless networks supporting multimedia services is adopted. This is achieved via the transformation of the corresponding QoS constraints into appropriate probabilities of accessing the systems' recourses. The users' scheduling procedure considering...
In this paper we study the problem of providing short- term access time fairness in wireless communication systems with multimedia services, while still maintaining high system throughput by exploiting the advantages of opportunistic scheduling. Our approach aims at providing elastic short-term fairness to the users by setting upper bounds on the probability of receiving an amount of service smaller...
In this paper userspsila short-term delay and throughput fundamental properties under basic opportunistic scheduling policies, required to support high throughput wireless communication systems with integrated multimedia services, are studied. Among the objectives of this work is to determine at what extent opportunistic scheduling policies can be used to support real-time services in addition to...
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