Open Access. Powered by Scholars. Published by Universities.®
- Publication Type
Articles 1 - 2 of 2
Full-Text Articles in Engineering
The Optimization Of Amplifiers For Uwb Applications, Kyoung D. Kim
The Optimization Of Amplifiers For Uwb Applications, Kyoung D. Kim
Theses and Dissertations - UTB/UTPA
Optimizations of 0.18 μm and 0.5 μm MOSFET amplifiers without using inductors for UWB applications are presented. A 3 dB bandwidth from 3.1 GHz to 9.9 GHz with minimum 9.6 dB of transducer gain at 10.6 GHz and approximate 92.8 mWatts of total power consumption are achieved. The source and load impedances were 50 ohms. Also, the number of capacitors and resistors has been minimized. To predict characteristics more precisely, the pad capacitance is added to the output port. In addition, a different feedback topology is presented which gives a lower Noise Figure with maximum 7.73 dB at 10.6 GHz …
Zsbt: A Novel Algorithm For Tracing Dos Attackers In Manets, Xin Jin, Yaoxue Zhang, Yi Pan, Yuezhi Zhou
Zsbt: A Novel Algorithm For Tracing Dos Attackers In Manets, Xin Jin, Yaoxue Zhang, Yi Pan, Yuezhi Zhou
Computer Science Faculty Publications
Denial of service (DoS) attack is a major class of security threats today. They consume resources of remote hosts or network and make them deny or degrade services for legitimate users. Compared with traditional Internet, the resources, such as bandwidth, memory, and battery power, of each node are more limited in mobile ad hoc networks (MANETs). Therefore, nodes in MANETs are more vulnerable to DoS attacks. Moreover, attackers in MANETs cannot only use IP spoofing to conceal their real identities but also move arbitrarily, which makes it a challenging task to trace a remote attacker in MANETs. In this paper, …