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INFOCOM
2010
IEEE
13 years 5 months ago
Resource Allocation in Multi-cell OFDMA-based Relay Networks
Abstract— Cooperative relay networks combined with Orthogonal Frequency Division Multiplexing Access (OFDMA) technology has been widely recognized as a promising candidate for fu...
Yao Hua, Qian Zhang, Zhisheng Niu
WCNC
2008
IEEE
14 years 1 months ago
Connectivity-Aware Network Maintenance via Relays Deployment
— In this paper, we address the network maintenance problem, in which we aim to maximize the lifetime of a sensor network by adding a set of relays to it. The network lifetime is...
Ahmed S. Ibrahim, Karim G. Seddik, K. J. Ray Liu
TWC
2008
150views more  TWC 2008»
13 years 7 months ago
A Unified Cross-Layer Framework for Resource Allocation in Cooperative Networks
Node cooperation is an emerging and powerful solution that can overcome the limitation of wireless systems as well as improve the capacity of the next generation wireless networks....
Wei Chen, Lin Dai, Khaled Ben Letaief, Zhigang Cao
GLOBECOM
2010
IEEE
13 years 5 months ago
Graph-Based Optimization for Relay-Assisted Bidirectional Cellular Networks
This paper considers a relay-assisted bidirectional cellular network where the base station (BS) communicates with each mobile station (MS) using orthogonal frequency-division mult...
Yuan Liu, Meixia Tao
MOBIHOC
2005
ACM
14 years 7 months ago
Power balanced coverage-time optimization for clustered wireless sensor networks
We consider a wireless sensor network in which sensors are grouped into clusters, each with its own cluster head (CH). Each CH collects data from sensors in its cluster and relays...
Tao Shu, Marwan Krunz, Sarma B. K. Vrudhula