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Ultra-wideband (UWB) is a modern radio technology that works at extremely low energy levels. It is popularly used in short-range, low power and low cost communications such as RFIDs. This paper presents a UWB receiver using energy detection scheme with on-off keying (OOK) modulation. A novel synchronization and detection algorithm called energy offset based scheme is investigated and used in the receiver...
The combination of random and systematic variability in state of the art IC technologies often results in non-Gaussian distributions of key performance parameters. A Mixture of Gaussian (MOG) variance propagation scheme is proposed to estimate the transistor-level circuit performance distribution without costly Monte-Carlo simulations. In the proposed method, interval representations and moment matching...
This paper introduces a approach of TD-HSUPA modeling for system level simulation and then proposes the framework of TD-HSUPA system level platform. The focus in this paper is on the introduction of core models of this platform. This approach is based on discrete event and time-driven mechanism. The simulation framework, which is programmed by Matlab software, is aim to analyze the significant performance...
In wired-cum-wireless networks, one of the main design challenges for TCP is to accurately distinguish congestion losses from random losses caused due to channel noise and interference. TCP Veno has been widely deployed in wireless networks to address this challenge. TCP Veno has been demonstrated to show better performance than TCP Reno in wired-cum-wireless environments. However, TCP Veno does not...
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