3212 résultats — page 54 de 161

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We investigate the optimal power allocation in an OFDM-SDMA system when some users have minimum requirements for their downlink transmission rate. We first ...

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In this article, we develop the two-dimensional positive edge criterion for the dual simplex. This work extends a similar pricing rule implemented by Towhidi...

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The problem of optimal real-time transmission of a Markov source under constraints on the expected number of transmissions is considered, both for the discou...

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Le partage de gâteau est une métaphore très utilisée pour décrire les problèmes où un agent principal doit allouer des ressources de manière juste. De tels p...

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We investigate the impact of store capacity and extent of inter-product substitution in a retailer's assortment on the optimal timing and depth of price pro...

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We study the alliance formation strategy among suppliers in a one downstream firm-n upstream suppliers framework. Each supplier faces an exogenous random sho...

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We consider a firm buying a commodity from the spot market as raw material and selling a final product by submitting bids. Bidding opportunities (i.e., deman...

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Since its introduction in 1969, the set partitioning problem has received much attention, and the structure of its feasible domain has been studied in detail...

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In this paper, we propose a queueing model to analyze the performance of an opportunistic spectrum access (OSA) system with service interruptions operating o...

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We provide a comprehensive delay and queueing analysis for two baseline medium access control protocols for multi-user cognitive radio networks with homogene...

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Notables features of cognitive radios have made them a technology of choice for wireless communications and motivated the notion of cognitive radio cellular ...

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Dynamic spectrum access (DSA) for secondary networks improves the spectrum utilization by finding spectrum opportunities and exploiting them efficiently. A k...

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In this paper, we present a new queueing model providing the accurate average system time for packets transmitted over a cognitive radio (CR) link for multip...

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In this paper we introduce a joint planning and energy management framework for Wireless Mesh Networks. In order to show that power management should be inte...

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The packet delay variation, commonly called delay jitter, is an important quality of service parameter in IP networks especially for real-time applications. ...

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Jitter buffering is a key component in multimedia and real-time services. A jitter buffer is used at the receiver side to control packet rate and to compensa...

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An analytical approach and a control strategy are proposed in Part I of this two-part paper for leveraging the aggregate demand of a population of Thermostat...

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There are few systematic methodologies capable of predicting and leveraging the reserve capacity potential of large populations of Thermostatically-Controlle...

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Modern power systems are undergoing a transitional phase, increasingly incorporating variable generation (VG) to harness the economic and environmental benef...

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Decentralized stochastic control refers to the multi-stage optimization of a dynamical system by multiple controllers that have access to different informati...

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