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JSW
2007
106views more  JSW 2007»
15 years 6 months ago
Destabilization of Terrorist Networks through Argument Driven Hypothesis Model
— Social network analysis has been used for quite some time to analyze and understand the behavior of nodes in the network. Theses nodes could be individuals or group of persons,...
Dil Muhammad Akbar Hussain
TWC
2008
109views more  TWC 2008»
15 years 6 months ago
Using the physical layer for wireless authentication in time-variant channels
Abstract--The wireless medium contains domain-specific information that can be used to complement and enhance traditional security mechanisms. In this paper we propose ways to expl...
Liang Xiao, Larry J. Greenstein, Narayan B. Manday...
TWC
2008
131views more  TWC 2008»
15 years 6 months ago
On channel estimation and optimal training design for amplify and forward relay networks
In this paper, we provide a complete study on the training based channel estimation issues for relay networks that employ the amplify-and-forward (AF) transmission scheme. We first...
Feifei Gao, Tao Cui, Arumugam Nallanathan
TWC
2008
238views more  TWC 2008»
15 years 6 months ago
Downlink resource allocation in multi-carrier systems: frequency-selective vs. equal power allocation
In this paper, a dynamic subcarrier and power allocation problem is considered in the context of asymptotic utility maximization in multi-carrier systems. Using the gradient-based...
Hyang-Won Lee, Song Chong
TWC
2008
156views more  TWC 2008»
15 years 6 months ago
Dynamic Bandwidth Allocation for QoS Provisioning in IEEE 802.16 Networks with ARQ-SA
In this paper, bandwidth allocation, in terms of distributing available data slots among different users, is studied for QoS provisioning in IEEE 802.16 networks. By considering th...
Weiwei Wang, Zihua Guo, Xuemin Shen, Changjia Chen...
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