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CISS
2008
IEEE
13 years 10 months ago
Client-centric fractional frequency reuse based on user cooperation in OFDMA networks
Abstract--This paper proposes client-centric fractional frequency reuse (CC-FFR) techniques for interference mitigation in OFDMA-based cellular wireless networks. In this framework...
Stefan Geirhofer, Ozgur Oyman
JSAC
2008
151views more  JSAC 2008»
13 years 8 months ago
Joint Beamforming and Power Allocation for Multiple Access Channels in Cognitive Radio Networks
A cognitive radio (CR) network is often described as a secondary network operating in a frequency band originally licensed/allocated to a primary network consisting of one or multi...
Lan Zhang, Ying-Chang Liang, Yan Xin
ICC
2007
IEEE
160views Communications» more  ICC 2007»
14 years 2 months ago
Opportunistic Cooperation for Quality of Service Provisionings Over Wireless Relay Networks
Abstract— We propose the QoS-driven opportunistic cooperation schemes for the wireless relay networks. By integrating information theory with the concept of effective capacity, o...
Lin Xie, Xi Zhang
NOMS
2010
IEEE
173views Communications» more  NOMS 2010»
13 years 7 months ago
Dynamic resource allocation and power management in virtualized data centers
—We investigate optimal resource allocation and power management in virtualized data centers with time-varying workloads and heterogeneous applications. Prior work in this area u...
Rahul Urgaonkar, Ulas C. Kozat, Ken Igarashi, Mich...
AMC
2007
129views more  AMC 2007»
13 years 8 months ago
Multi-objective task allocation in distributed computing systems by hybrid particle swarm optimization
In a distributed computing system (DCS), we need to allocate a number of modules to different processors for execution. It is desired to maximize the processor synergism in order...
Peng-Yeng Yin, Shiuh-Sheng Yu, Pei-Pei Wang, Yi-Te...