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CN
2006
174views more  CN 2006»
15 years 4 months ago
NeXt generation/dynamic spectrum access/cognitive radio wireless networks: A survey
Today's wireless networks are characterized by a fixed spectrum assignment policy. However, a large portion of the assigned spectrum is used sporadically and geographical var...
Ian F. Akyildiz, Won-Yeol Lee, Mehmet C. Vuran, Sh...
COMCOM
2006
283views more  COMCOM 2006»
15 years 4 months ago
Sleep scheduling for wireless sensor networks via network flow model
The pervasiveness and operational autonomy of mesh-based wireless sensor networks (WSNs) make them an ideal candidate in offering sustained monitoring functions at reasonable cost...
Rick W. Ha, Pin-Han Ho, Sherman X. Shen, Junshan Z...
CORR
2006
Springer
118views Education» more  CORR 2006»
15 years 4 months ago
Wireless Information-Theoretic Security - Part I: Theoretical Aspects
In this two-part paper, we consider the transmission of confidential data over wireless wiretap channels. The first part presents an information-theoretic problem formulation in w...
Matthieu Bloch, João Barros, Miguel R. D. R...
CORR
2007
Springer
159views Education» more  CORR 2007»
15 years 4 months ago
Lifetime Improvement in Wireless Sensor Networks via Collaborative Beamforming and Cooperative Transmission
: Collaborative beamforming (CB) and cooperative transmission (CT) have recently emerged as communication techniques that can make effective use of collaborative/cooperative nodes ...
Zhu Han, H. Vincent Poor
JSAC
2006
139views more  JSAC 2006»
15 years 4 months ago
ARSA: An Attack-Resilient Security Architecture for Multihop Wireless Mesh Networks
Multihop wireless mesh networks (WMNs) are finding ever-growing acceptance as a viable and effective solution to ubiquitous broadband Internet access. This paper addresses the secu...
Yanchao Zhang, Yuguang Fang