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Near-threshold voltage (Vth) operating circuit is necessary for battery-operated devices. Especially, static random access memory (SRAM) design is important in near-Vth region because it is vulnerable to Vth variation. The conventional 6T SRAM bitcell design for super-Vth operation cannot be used for near-Vth operation because Vth variation in near-Vth region is more serious than that in super-Vth...
Single index models have been mostly studied as an alternative dimension reduction technique for nonparametric regression with multivariate covariates. The index parameter appearing in the model summarizes the effect of the covariates in a finite dimensional vector. We consider an extension to a functional single index parameter which is of infinite dimensional, as a summary of the effect of a functional...
An insulation material for 20nm node memory devices requires superior gap fill characteristics to prevent void defects. Due to high flow-ability, atmospheric spin on glass (SOG) process rapidly replaced the classical chemical vapor deposition process especially for the trench isolation step. Perhydropolysilazane (PHPS), a representative SOG material, is vulnerable to environmental contamination because...
This paper proposes new delay-dependent leader-following consensus criterion for multi-agent systems with time-varying delays. Specially, the randomly occurring connection information of leader is considered in the concerned system. By constructing a suitable Lyapunov-Krasovskii functional and utilizing reciprocally convex approach, new delay-dependent consensus criterion for the systems are established...
This paper proposes new delay-dependent consensus criteria for multi-agent systems with time-varying delays and static interconnection topology. By constructing a suitable Lyapunov-Krasovskii's functional and utilizing convex-hull properties, new delay-dependent consensus criteria for the systems are established in terms of linear matrix inequalities (LMIs) which can be easily solved by various effective...
This paper discusses an improved method for location in CDMA based cellular communication system. An effective technique is proposed for locating a mobile stationpsilas position based on Time Difference of Arrival (TDOA) technique. This technique is based on estimating the difference in the arrival time of the signal from the source at multiple receivers. The major error sources in the CDMA network...
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