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JSA
2008
136views more  JSA 2008»
14 years 11 months ago
Evaluation and optimization of a peer-to-peer video-on-demand system
Video-on-demand (VoD) is increasingly popular with internet users. However, VoD is costly due to the load placed on video servers. Peer-to-peer (P2P) techniques are an approach to...
Bin Cheng, Xiuzheng Liu, Zheng Zhang, Hai Jin, Lex...
JSAC
2008
90views more  JSAC 2008»
14 years 11 months ago
Limited feedback schemes for downlink OFDMA based on sub-channel groups
Abstract--In a downlink Orthogonal Frequency Division Multiple Access (OFDMA) system, optimally allocating sub-channels across mobile users can require excessive feedback of channe...
Jieying Chen, Randall A. Berry, Michael L. Honig
JSAC
2008
101views more  JSAC 2008»
14 years 11 months ago
Sequential Bandwidth and Power Auctions for Distributed Spectrum Sharing
We study a sequential auction for sharing a wireless resource (bandwidth or power) among competing transmitters. The resource is assumed to be managed by a spectrum broker (auction...
Junjik Bae, Eyal Beigman, Randall A. Berry, Michae...
JSAC
2008
140views more  JSAC 2008»
14 years 11 months ago
Optimality and Complexity of Pure Nash Equilibria in the Coverage Game
In this paper, we investigate the coverage problem in wireless sensor networks using a game theory method. We assume that nodes are randomly scattered in a sensor field and the goa...
Xin Ai, Vikram Srinivasan, Chen-Khong Tham
JGAA
2006
120views more  JGAA 2006»
14 years 11 months ago
Distributing Unit Size Workload Packages in Heterogeneous Networks
The task of balancing dynamically generated work load occurs in a wide range of parallel and distributed applications. Diffusion based schemes, which belong to the class of neares...
Robert Elsässer, Burkhard Monien, Stefan Scha...