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ICC
2008
IEEE
203views Communications» more  ICC 2008»
16 years 1 months ago
Spectrum Leasing via Distributed Cooperation in Cognitive Radio
Abstract— The concept of cognitive radio (or secondary spectrum access) is currently under investigation as a promising paradigm to achieve efficient use of the frequency resour...
Igor Stanojev, Osvaldo Simeone, Yeheskel Bar-Ness,...
GLOBECOM
2007
IEEE
16 years 1 months ago
Optimal Distributed Beamforming in Relay Networks with Common Interference
—In wireless relay networks, noise at the relays can be correlated possibly due to common interference or noise propagation from preceding hops. In this work we consider a parall...
Krishna Srikanth Gomadam, Syed Ali Jafar
GLVLSI
2007
IEEE
134views VLSI» more  GLVLSI 2007»
16 years 1 months ago
Sleep transistor distribution in row-based MTCMOS designs
- The Multi-Threshold CMOS (MTCMOS) technology has become a popular technique for standby power reduction. This technology utilizes high-Vth sleep transistors to reduce subthreshol...
Chanseok Hwang, Peng Rong, Massoud Pedram
ICON
2007
IEEE
16 years 1 months ago
A Location-aware Key Predistribution Scheme for Distributed Wireless Sensor Networks
Key establishment plays a central role in authentication and encryption in wireless sensor networks, especially when they are mainly deployed in hostile environments. Because of th...
Ngo Trong Canh, Tran Van Phuong, Young-Koo Lee, Su...
EUC
2007
Springer
16 years 1 months ago
A Key Distribution Scheme Preventing Collusion Attacks in Ubiquitous Heterogeneous Sensor Networks
Abstract. Random key pre-distribution schemes are vulnerable to collusion attacks. In this paper, we propose a new key management scheme for ubiquitous heterogeneous sensor network...
Firdous Kausar, Sajid Hussain, Jong Hyuk Park, Ash...