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MOBIHOC
2008
ACM
14 years 7 months ago
Routing performance analysis of human-driven delay tolerant networks using the truncated levy walk model
The routing performance of delay tolerant networks (DTN) is highly correlated with the distribution of inter-contact times (ICT), the time period between two successive contacts o...
Seongik Hong, Injong Rhee, Seong Joon Kim, Kyungha...
TWC
2008
225views more  TWC 2008»
13 years 7 months ago
Joint rate and power allocation for cognitive radios in dynamic spectrum access environment
Abstract--We investigate the dynamic spectrum sharing problem among primary and secondary users in a cognitive radio network. We consider the scenario where primary users exhibit o...
Dong In Kim, Long Le, Ekram Hossain
ICC
2007
IEEE
168views Communications» more  ICC 2007»
13 years 11 months ago
Analysis and Optimization of Power Control in Multiuser Cognitive Wireless Networks
In this paper, the problem about power control in multiuser cognitive networks is addressed. The scenario we study is a heterogeneous network, where multiple cognitive (without the...
Peng Cheng, Guanding Yu, Zhaoyang Zhang, Peiliang ...
INFOCOM
2010
IEEE
13 years 6 months ago
An Attack-Defense Game Theoretic Analysis of Multi-Band Wireless Covert Timing Networks
—We discuss malicious interference based denial of service (DoS) attacks in multi-band covert timing networks using an adversarial game theoretic approach. A covert timing networ...
Santhanakrishnan Anand, Shamik Sengupta, Rajarathn...
GLOBECOM
2008
IEEE
14 years 2 months ago
Performance Metric Sensitivity Computation for Optimization and Trade-Off Analysis in Wireless Networks
Abstract—We develop and evaluate a new method for estimating and optimizing various performance metrics for multihop wireless networks, including MANETs. We introduce an approxim...
John S. Baras, Vahid Tabatabaee, George Papageorgi...